Update ghcr.io/hassio-addons/base Docker tag to v17.2.5

* setup logger for hypercorn and dashboard

* use logger.ini to setup dashboard logger

* workaround: restore the hypercorn logger config

- quart/hyercorn overwrites the logger config.
  as a workaround we restore the config at the
  beginning of a request

* fix the hypercorn log handler only once

* change proxy into a ASGI application

- move Quart init from server.py into app.py
- create Server class for config and loggin setup
- restore hypercorn logging configuration after
  start of Quart/Hypercorn

* move get_log_level into Server class

* define config in test_emu_init_close

* remove Web() instance from the testcase

- with importing app.py The blueprint Web() will
  automatically created and a second call in test-
  cases must avoided

* add unit tests

* move code from app.py into server.py

* test the init_logging_system() method

* add HypercornLogHndl tests

* fix deprecated pytest async warning

- Cleanup pending async tasks
- fix deprecated warning about event_loop

* add unit test for error handling in build_config()

* coverage: ignore quart template files

* check print output in test_save_and_restore

* update changelog

.cover_ghaction_rc

@@ -0,0 +1,3 @@
+[run]
+branch = True
+relative_files = True

.coveragerc

@@ -1,2 +1,3 @@
 [run]
-branch = True
+branch = True
+omit = app/src/web/templates/*.html.j2

.env_example

@@ -0,0 +1,14 @@
+# example file for the .env file. The .env set private values 
+# which are needed for builing containers  
+
+# registry for debug an dev container
+PRIVAT_CONTAINER_REGISTRY=docker.io/<user>/
+
+# registry for official container (preview, rc, rel)
+PUBLIC_CONTAINER_REGISTRY=ghcr.io/<user>/
+PUBLIC_CR_KEY=  
+
+# define serial number of GEN3PLUS devices for systemtests
+# the serialnumber are coded as 4-byte hex-strings
+SOLARMAN_INV_SNR='00000000'
+SOLARMAN_DCU_SNR='00000000'

.github/workflows/python-app.yml

@@ -5,7 +5,7 @@ name: Python application
 
 on:
   push:
-    branches: [ "main", "dev-*" ]
+    branches: [ "main", "dev-*", "*/issue*" ]
     paths-ignore:
     - '**.md' # Do no build on *.md changes
     - '**.yml' # Do no build on *.yml changes
@@ -18,33 +18,54 @@ on:
     - '**.dockerfile' # Do no build on *.dockerfile changes
     - '**.sh' # Do no build on *.sh changes     
   pull_request:
-    branches: [ "main" ]
+    branches: [ "main", "dev-*" ]
 
 permissions:
   contents: read
+  pull-requests: read # allows SonarCloud to decorate PRs with analysis results
+
+env:
+  TZ: "Europe/Berlin"
+  SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
 
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
 
     steps:
     - uses: actions/checkout@v4
-    - name: Set up Python 3.12
+      with:
+        fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+    - name: Set up Python 3.13
       uses: actions/setup-python@v5
       with:
-        python-version: "3.12"
+        python-version: "3.13"
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install flake8 pytest pytest-asyncio
+        if [ -f requirements-test.txt ]; then pip install -r requirements-test.txt; fi
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        flake8 . --count --select=E9,F63,F7,F82 --ignore=F821 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+        flake8 --exit-zero --ignore=C901,E121,E123,E126,E133,E226,E241,E242,E704,W503,W504,W505 --format=pylint --output-file=output_flake.txt --exclude=*.pyc app/src/
     - name: Test with pytest
       run: |
-        python -m pytest app
+        python -m pytest app --cov=app/src --cov-config=.cover_ghaction_rc --cov-report=xml
+        coverage report
+    - name: Analyze with SonarCloud
+      if: ${{ env.SONAR_TOKEN != 0 }}
+      uses: SonarSource/sonarqube-scan-action@v5
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        projectBaseDir: .
+        args:
+          -Dsonar.projectKey=s-allius_tsun-gen3-proxy
+          -Dsonar.python.coverage.reportPaths=coverage.xml
+          -Dsonar.python.flake8.reportPaths=output_flake.txt
+          # -Dsonar.docker.hadolint.reportPaths=
+  

.gitignore

@@ -1,11 +1,19 @@
 __pycache__
 .pytest_cache
+.venv/**
 bin/**
 mosquitto/**
 homeassistant/**
+ha_addons/ha_addon/rootfs/home/proxy/*
+ha_addons/ha_addon/rootfs/requirements.txt
 tsun_proxy/**
 Doku/**
 .DS_Store
 .coverage
 .env
+.venv
 coverage.xml
+*.pot
+*.mo
+*.log
+*.log.*

.hadolint.yaml

@@ -0,0 +1,2 @@
+ignored:
+    - SC1091

.python-version

@@ -0,0 +1 @@
+3.13.2

.sonarlint/connectedMode.json

@@ -0,0 +1,4 @@
+{
+    "sonarCloudOrganization": "s-allius",
+    "projectKey": "s-allius_tsun-gen3-proxy"
+}

.vscode/launch.json

@@ -6,7 +6,7 @@
     "configurations": [
         {
             "name": "Python: Aktuelle Datei",
-            "type": "python",
+            "type": "debugpy",
             "request": "launch",
             "program": "${file}",
             "console": "integratedTerminal",

.vscode/settings.json

@@ -1,15 +1,32 @@
 {
+    "python.analysis.extraPaths": [
+        "app/src",
+        "app/tests",
+        ".venv/lib",
+    ],
     "python.testing.pytestArgs": [
-        "-vv", 
-        "app",
+        "-vvv",
         "--cov=app/src",
         "--cov-report=xml",
-        "--cov-report=html",
+        "app",
         "system_tests"
     ],
     "python.testing.unittestEnabled": false,
     "python.testing.pytestEnabled": true,
     "flake8.args": [
-        "--extend-exclude=app/tests/*.py system_tests/*.py"   
-    ]
+        "--extend-exclude=app/tests/*.py,system_tests/*.py"   
+    ],
+    "sonarlint.connectedMode.project": {
+        "connectionId": "s-allius",
+        "projectKey": "s-allius_tsun-gen3-proxy"
+    },
+    "files.exclude": {
+        "**/*.pyi": true
+    },
+    "python.analysis.typeEvaluation.deprecateTypingAliases": true,
+    "python.autoComplete.extraPaths": [
+        ".venv/lib"
+    ],
+    "coverage-gutters.coverageBaseDir": "tsun",
+    "makefile.configureOnOpen": false
 }

CHANGELOG.md

@@ -5,7 +5,147 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [unreleased]
+
+- Update ghcr.io/hassio-addons/base Docker tag to v17.2.5
+- fix a lot of pytest-asyncio problems in the unit tests  
+- Cleanup startup code for Quart and the Proxy
+- Redirect the hypercorn traces to a separate log-file
+- Configure the dashboard trace handler by the logging.ini file
+- Dashboard: add Notes page and table for important messages
+- Dashboard: add Log-File page
+- Dashboard: add Connection page
+- add web UI to add-on
+- allow `Y00` serial numbers for GEN3PLUS devices
+
+## [0.13.0] - 2025-04-13
+
+- update dependency python to 3.13
+- add initial support for TSUN MS-3000
+- add initial apparmor support [#293](https://github.com/s-allius/tsun-gen3-proxy/issues/293)
+- add Modbus polling mode for DCU1000 [#292](https://github.com/s-allius/tsun-gen3-proxy/issues/292)
+- add Modbus scanning mode
+- allow `R47`serial numbers for GEN3 inverters
+- add watchdog for Add-ons
+- add first costumer apparmor definition
+- Respect logging.ini file, if LOG_ENV isn't set well [#288](https://github.com/s-allius/tsun-gen3-proxy/issues/288)
+- Remove trailing apostrophe in the log output [#288](https://github.com/s-allius/tsun-gen3-proxy/issues/288)
+- update AddOn base docker image to version 17.2.1
+- addon: add date and time to dev container version
+- Update AddOn python3 to 3.12.9-r0
+- add initial DCU support
+- update aiohttp to version 3.11.12
+- fix the path handling for logging.ini and default_config.toml [#180](https://github.com/s-allius/tsun-gen3-proxy/issues/180)
+
+## [0.12.1] - 2025-01-13
+
+- addon: bump base image version to v17.1.0
+- addon: add syntax check to config parameters
+- addon: bump base image version to v17.0.2
+
+## [0.12.0] - 2024-12-22
+
+- add hadolint configuration
+- detect usage of a local DNS resolver [#37](https://github.com/s-allius/tsun-gen3-proxy/issues/37)
+- path for logs is now configurable by cli args
+- configure the number of keeped logfiles by cli args
+- add DOCS.md and CHANGELOG.md for add-ons
+- pin library version und update them with renovate
+- build config.yaml for add-ons by a jinja2 template
+- use gnu make to build proxy and add-on
+- make the configuration more flexible, add command line args to control this
+- fix the python path so we don't need special import paths for unit tests anymore
+- add emulator mode [#205](https://github.com/s-allius/tsun-gen3-proxy/issues/205)
+- ignore inverter replays which a older than 1 day [#246](https://github.com/s-allius/tsun-gen3-proxy/issues/246)
+- support test coverage in vscode
+- upgrade SonarQube action to version 4
+- update github action to Ubuntu 24-04
+- add initial support for home assistant add-ons from @mime24
+- github action: use ubuntu 24.04 and sonar-scanner-action 4 [#222](https://github.com/s-allius/tsun-gen3-proxy/issues/222)
+- migrate paho.mqtt CallbackAPIVersion to VERSION2 [#224](https://github.com/s-allius/tsun-gen3-proxy/issues/224)
+- add PROD_COMPL_TYPE to trace
+- add SolarmanV5 messages builder
+- report inverter alarms and faults per MQTT [#7](https://github.com/s-allius/tsun-gen3-proxy/issues/7)
+
+## [0.11.1] - 2024-11-20
+
+- fix pytest setup that can be startet from the rootdir
+  - support python venv environment
+  - add pytest.ini
+  - move common settings from .vscode/settings.json into pytest.ini
+  - add missing requirements
+  - fix import paths for pytests
+- Bumps [aiohttp](https://github.com/aio-libs/aiohttp) from 3.10.5 to 3.10.11.
+
+## [0.11.0] - 2024-10-13
+
+- fix healthcheck on infrastructure with IPv6 support [#196](https://github.com/s-allius/tsun-gen3-proxy/issues/196)
+- refactoring: cleaner architecture, increase test coverage
+- Parse more values in Server Mode [#186](https://github.com/s-allius/tsun-gen3-proxy/issues/186)
+- GEN3: add support for new messages of version 3 firmwares [#182](https://github.com/s-allius/tsun-gen3-proxy/issues/182)
+- add support for controller MAC and serial number
+- GEN3: don't crash on overwritten msg in the receive buffer
+- Reading the version string from the image updates it even if the image is re-pulled without re-deployment
+  
+## [0.10.1] - 2024-08-10
+
+- fix displaying the version string at startup and in HA [#153](https://github.com/s-allius/tsun-gen3-proxy/issues/153)
+
+## [0.10.0] - 2024-08-09
+
+- bump aiohttp to version 3.10.2
+- add SonarQube and code coverage support
+- don't send MODBUS request when state is note up; adapt timeouts [#141](https://github.com/s-allius/tsun-gen3-proxy/issues/141)
+- build multi arch images with sboms [#144](https://github.com/s-allius/tsun-gen3-proxy/issues/144)
+- add timestamp to MQTT topics [#138](https://github.com/s-allius/tsun-gen3-proxy/issues/138)
+- improve the message handling, to avoid hangs
+- GEN3: allow long timeouts until we received first inverter data (not only device data)
+- bump aiomqtt to version 2.2.0
+- bump schema to version 0.7.7
+- Home Assistant: improve inverter status value texts
+- GEN3: add inverter status
+- fix flapping registers [#128](https://github.com/s-allius/tsun-gen3-proxy/issues/128)
+- register OUTPUT_COEFFICIENT at HA
+- GEN3: INVERTER_STATUS,
+- add config option to disable the MODBUS polling [#120](https://github.com/s-allius/tsun-gen3-proxy/issues/120)
+- make the maximum output coefficient configurable [#123](https://github.com/s-allius/tsun-gen3-proxy/issues/123)
+- cleanup shutdown
+- add preview build
+- MODBUS: the last digit of the inverter version is a hexadecimal number [#119](https://github.com/s-allius/tsun-gen3-proxy/issues/119)
+- GEN3PLUS: add client_mode connection on port 8899 [#117](https://github.com/s-allius/tsun-gen3-proxy/issues/117)
+
+## [0.9.0] - 2024-07-01
+
+- fix exception in MODBUS timeout callback
+
+## [0.9.0-RC1] - 2024-06-29
+
+- add asyncio log and debug mode
+- stop the HTTP server on shutdown gracefully
+- Synchronize regular MODBUS commands with the status of the inverter to prevent the inverter from crashing due to
+  unexpected packets. [#111](https://github.com/s-allius/tsun-gen3-proxy/issues/111)
+- GEN3: avoid sending MODBUS commands to the inverter during the inverter's reporting phase
+- GEN3: determine the connection timeout based on the connection state
+- GEN3: support more data encodings for DSP version V5.0.17 [#108](https://github.com/s-allius/tsun-gen3-proxy/issues/108)
+- detect dead connections [#100](https://github.com/s-allius/tsun-gen3-proxy/issues/100)
+- improve connection logging wirt a unique connection id
+- Add healthcheck, readiness and liveness checks [#91](https://github.com/s-allius/tsun-gen3-proxy/issues/91)
+- MODBUS close handler releases internal resource [#93](https://github.com/s-allius/tsun-gen3-proxy/issues/93)
+- add exception handling for message forwarding [#94](https://github.com/s-allius/tsun-gen3-proxy/issues/94)
+- GEN3: make timestamp handling stateless, to avoid blocking when the TSUN cloud is down [#56](https://github.com/s-allius/tsun-gen3-proxy/issues/56)
+- GEN3PLUS: dump invalid packages with wrong start or stop byte
+- label debug imagages als `debug`
+- print imgae build time during proxy start
+- add type annotations
+- improve async unit test and fix pytest warnings
+- run github tests even for pulls on issue branches
+
+## [0.8.1] - 2024-06-21
+
+- Fix MODBUS responses are dropped and not forwarded to the TSUN cloud [#104](https://github.com/s-allius/tsun-gen3-proxy/issues/104)
+- GEN3: Fix connections losts due MODBUS requests [#102](https://github.com/s-allius/tsun-gen3-proxy/issues/102)
+
+## [0.8.0] - 2024-06-07
 
 - improve logging: add protocol or node_id to connection logs
 - improve logging: log ignored AT+ or MODBUS commands
@@ -17,7 +157,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - catch all OSError errors in the read loop
 - log Modbus traces with different log levels
 - add Modbus fifo and timeout handler
-- build version string in the same format as TSUN for GEN3 invterts
+- build version string in the same format as TSUN for GEN3 inverters
 - add graceful shutdown
 - parse Modbus values and store them in the database
 - add cron task to request the output power every minute

Makefile

@@ -0,0 +1,27 @@
+.PHONY: build babel clean addon-dev addon-debug addon-rc addon-rel debug dev preview rc rel check-docker-compose install
+
+babel:
+	$(MAKE) -C app $@
+
+build:
+	$(MAKE) -C ha_addons $@ 
+
+clean:
+	$(MAKE) -C app $@
+	$(MAKE) -C ha_addons $@ 
+
+debug dev preview rc rel:
+	$(MAKE) -C app babel
+	$(MAKE) -C app $@
+
+addon-dev addon-debug addon-rc addon-rel:
+	$(MAKE) -C app babel
+	$(MAKE) -C ha_addons $(patsubst addon-%,%,$@)
+
+check-docker-compose:
+	docker-compose config -q
+
+install:
+	python3 -m pip install --upgrade pip
+	python3 -m pip install -r requirements.txt
+	python3 -m pip install -r requirements-test.txt

README.md

@@ -1,34 +1,44 @@
 <h1 align="center">TSUN-Gen3-Proxy</h1>
 <p align="center">A proxy for</p>
 <h3 align="center">TSUN Gen 3 Micro-Inverters</h3>
+<h3 align="center">and Batteries</h3>
 <p align="center">for easy</p>
 <h3 align="center">MQTT/Home-Assistant</h3>
 <p align="center">integration</p>
 <p align="center">
     <a href="https://opensource.org/licenses/BSD-3-Clause"><img alt="License: BSD-3-Clause" src="https://img.shields.io/badge/License-BSD_3--Clause-green.svg"></a>
-    <a href="https://www.python.org/downloads/release/python-3120/"><img alt="Supported Python versions" src="https://img.shields.io/badge/python-3.12-blue.svg"></a>
-    <a href="https://sbtinstruments.github.io/aiomqtt/introduction.html"><img alt="Supported aiomqtt versions" src="https://img.shields.io/badge/aiomqtt-2.0.1-lightblue.svg"></a>
+    <a href="https://www.python.org/downloads/release/python-3130/"><img alt="Supported Python versions" src="https://img.shields.io/badge/python-3.13-blue.svg"></a>
+    <a href="https://aiomqtt.bo3hm.com/introduction.html"><img alt="Supported aiomqtt versions" src="https://img.shields.io/badge/aiomqtt-2.3.1-lightblue.svg"></a>
     <a href="https://libraries.io/pypi/aiocron"><img alt="Supported aiocron versions" src="https://img.shields.io/badge/aiocron-1.8-lightblue.svg"></a>
     <a href="https://toml.io/en/v1.0.0"><img alt="Supported toml versions" src="https://img.shields.io/badge/toml-1.0.0-lightblue.svg"></a>
+    <br>
+    <a href="https://sonarcloud.io/component_measures?id=s-allius_tsun-gen3-proxy&metric=alert_status"><img alt="The quality gate status" src="https://sonarcloud.io/api/project_badges/measure?project=s-allius_tsun-gen3-proxy&metric=alert_status"></a>
+    <a href="https://sonarcloud.io/component_measures?id=s-allius_tsun-gen3-proxy&metric=bugs"><img alt="No of bugs" src="https://sonarcloud.io/api/project_badges/measure?project=s-allius_tsun-gen3-proxy&metric=bugs"></a>
+    <a href="https://sonarcloud.io/component_measures?id=s-allius_tsun-gen3-proxy&metric=code_smells"><img alt="No of code-smells" src="https://sonarcloud.io/api/project_badges/measure?project=s-allius_tsun-gen3-proxy&metric=code_smells"></a>
+    <br>
+    <a href="https://sonarcloud.io/component_measures?id=s-allius_tsun-gen3-proxy&metric=coverage"><img alt="Test coverage in percent" src="https://sonarcloud.io/api/project_badges/measure?project=s-allius_tsun-gen3-proxy&metric=coverage"></a>
 </p>
 
 # Overview
 
-This proxy enables a reliable connection between TSUN third generation inverters and an MQTT broker. With the proxy, you can easily retrieve real-time values such as power, current and daily energy and integrate the inverter into typical home automations. This works even without an internet connection. The optional connection to the TSUN Cloud can be disabled!
+This proxy enables a reliable connection between TSUN third generation devices and an MQTT broker. With the proxy, you can easily retrieve real-time values such as power, current and daily energy from inverters and energy storage systems and integrate them into typical home automations. This works even without an internet connection. The optional connection to the TSUN Cloud can be disabled!
 
-In detail, the inverter establishes a TCP connection to the TSUN cloud to transmit current measured values every 300 seconds. To be able to forward the measurement data to an MQTT broker, the proxy must be looped into this TCP connection.
+In detail, the device establishes a TCP connection to the TSUN cloud to transmit current measured values every 300 seconds. To be able to forward the measurement data to an MQTT broker, the proxy must be looped into this TCP connection.
 
-Through this, the inverter then establishes a connection to the proxy and the proxy establishes another connection to the TSUN Cloud. The transmitted data is interpreted by the proxy and then passed on to both the TSUN Cloud and the MQTT broker. The connection to the TSUN Cloud is optional and can be switched off in the configuration (default is on). Then no more data is sent to the Internet, but no more remote updates of firmware and operating parameters (e.g. rated power, grid parameters) are possible.
+Through this, the device then establishes a connection to the proxy and the proxy establishes another connection to the TSUN Cloud. The transmitted data is interpreted by the proxy and then passed on to both the TSUN Cloud and the MQTT broker. The connection to the TSUN Cloud is optional and can be switched off in the configuration (default is on). Then no more data is sent to the Internet, but no more remote updates of firmware and operating parameters (e.g. rated power, grid parameters) are possible.
 
 By means of `docker` a simple installation and operation is possible. By using `docker-composer`, a complete stack of proxy, `MQTT-brocker` and `home-assistant` can be started easily.
 
+Alternatively you can run the TSUN-Proxy as a Home Assistant Add-on. The installation of this add-on is pretty straightforward and not different in comparison to installing any other custom Home Assistant add-on.
+Follow the Instructions mentioned in the add-on subdirectory `ha_addons`.
+
 <br>
-ℹ️ This project is not related to the company TSUN. It is a private initiative that aims to connect TSUN inverters with an MQTT broker. There is no support and no warranty from TSUN.
+ℹ️ This project is not related to the company TSUN. It is a private initiative that aims to connect TSUN inverters and storage systems with an MQTT broker. There is no support and no warranty from TSUN.
 <br><br>
 
 ```txt
 ❗An essential requirement is that the proxy can be looped into the connection
-between the inverter and TSUN Cloud.
+between the device and TSUN Cloud.
 
 There are various ways to do this, for example via an DNS host entry or via firewall
 rules (iptables) in your router. However, depending on the circumstances, not all
@@ -40,7 +50,8 @@ If you use a Pi-hole, you can also store the host entry in the Pi-hole.
 ## Features
 
 - Supports TSUN GEN3 PLUS inverters: TSOL-MS2000, MS1800 and MS1600
-- Supports TSUN GEN3 inverters: TSOL-MS800, MS700, MS600, MS400, MS350 and MS300
+- Supports TSUN GEN3 PLUS batteries: TSOL-DC1000 (from version 0.13)
+- Supports TSUN GEN3 inverters: TSOL-MS3000, MS800, MS700, MS600, MS400, MS350 and MS300
 - `MQTT` support
 - `Home-Assistant` auto-discovery support
 - `MODBUS` support via MQTT topics
@@ -59,11 +70,20 @@ Here are some screenshots of how the inverter is displayed in the Home Assistant
 
 ## Requirements
 
+### Requirements for Docker Installation
+
 - A running Docker engine to host the container
-- Ability to loop the proxy into the connection between the inverter and the TSUN cloud
+- Ability to loop the proxy into the connection between the device and the TSUN cloud
+
+### Requirements for Home Assistant Add-on Installation
+
+- Running Home Assistant on Home Assistant OS or Supervised. Container and Core installations doesn't support add-ons.
+- Ability to loop the proxy into the connection between the device and the TSUN cloud
 
 # Getting Started
 
+## for Docker Installation
+
 To run the proxy, you first need to create the image. You can do this quite simply as follows:
 
 ```sh
@@ -89,15 +109,30 @@ With this information we can customize the `docker run`` statement:
 docker run  --dns '8.8.8.8' --env 'UID=1050' -p '5005:5005' -p '10000:10000' -v ./config:/home/tsun-proxy/config -v ./log:/home/tsun-proxy/log tsun-proxy
 ```
 
+## for Home Assistant Add-on Installation
+
+1. Add the repository URL to the Home Assistant add-on store
+[![Add repository on my Home Assistant][repository-badge]][repository-url]
+2. Reload the add-on store page
+3. Click the "Install" button to install the add-on.
+
 # Configuration
 
-The configuration consists of several parts. First, the container and the proxy itself must be configured, and then the connection of the inverter to the proxy must be set up, which is done differently depending on the inverter generation
+```txt
+❗The following description applies to the Docker installation. When installing the Home
+Assistant add-on, the configuration is carried out via the Home Assistant UI. Some of the
+options described below are not required for this. Additionally, creating a config.toml
+file is not necessary. However, for a general understanding of the configuration and
+functionality, it is helpful to read the following description.
+```
 
-For GEN3PLUS inverters, this can be done easily via the web interface of the inverter. The GEN3 inverters do not have a web interface, so the proxy is integrated via a modified DNS resolution.
+The configuration consists of several parts. First, the container and the proxy itself must be configured, and then the connection of the device to the proxy must be set up, which is done differently depending on the device generation
+
+For GEN3PLUS devices, this can be done easily via the web interface of the devices. The GEN3 inverters do not have a web interface, so the proxy is integrated via a modified DNS resolution.
 
   1. [Container Setup](#container-setup)
   2. [Proxy Configuration](#proxy-configuration)
-  3. [Inverter Configuration](#inverter-configuration) (only GEN3PLUS)
+  3. [Inverter and Batterie Configuration](#inverter-and-batterie-configuration) (only GEN3PLUS)
   4. [DNS Settings](#dns-settings) (Mandatory for GEN3)
 
 ## Container Setup
@@ -106,7 +141,7 @@ No special configuration is required for the Docker container if it is built and
 
 On the host, two directories (for log files and for config files) must be mapped. If necessary, the UID of the proxy process can be adjusted, which is also the owner of the log and configuration files.
 
-A description of the configuration parameters can be found [here](https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-details#docker-compose-environment-variables).
+A description of the configuration parameters can be found [here](https://github.com/s-allius/tsun-gen3-proxy/wiki/configuration-env#docker-compose-environment-variables)
 
 ## Proxy Configuration
 
@@ -115,26 +150,63 @@ The proxy can be configured via the file 'config.toml'. When the proxy is starte
 The configration uses the TOML format, which aims to be easy to read due to obvious semantics.
 You find more details here: <https://toml.io/en/v1.0.0>
 
+<details>
+<summary>Here is an example of a <b>config.toml</b> file</summary>
+
 ```toml
-# configuration for tsun cloud for 'GEN3' inverters
-tsun.enabled = true   # false: disables connecting to the tsun cloud, and avoids updates
-tsun.host    = 'logger.talent-monitoring.com'
-tsun.port    = 5005
-
-# configuration for solarman cloud  for 'GEN3 PLUS' inverters
-solarman.enabled = true   # false: disables connecting to the tsun cloud, and avoids updates
-solarman.host    = 'iot.talent-monitoring.com'
-solarman.port    = 10000
+##########################################################################################
+###
+###          T S U N  -  G E N 3  -   P R O X Y
+### 
+###                from   Stefan Allius
+###
+##########################################################################################
+###
+###   The readme will give you an overview of the project:
+###   https://s-allius.github.io/tsun-gen3-proxy/
+###
+###   The proxy supports different operation modes. Select the proper mode 
+###   which depends on your inverter type and you inverter firmware. 
+###   Please read: 
+###   https://github.com/s-allius/tsun-gen3-proxy/wiki/Operation-Modes-Overview
+###
+###   Here you will find a description of all configuration options:
+###   https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml
+###
+###   The configration uses the TOML format, which aims to be easy to read due to 
+###   obvious semantics. You find more details here: https://toml.io/en/v1.0.0
+###
+##########################################################################################
 
 
-# mqtt broker configuration
+##########################################################################################
+##
+## MQTT broker configuration
+##
+## In this block, you must configure the connection to your MQTT broker and specify the
+## required credentials. As the proxy does not currently support an encrypted connection
+## to the MQTT broker, it is strongly recommended that you do not use a public broker.
+##
+## https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml#mqtt-broker-account
+##
+
 mqtt.host    = 'mqtt'   # URL or IP address of the mqtt broker
 mqtt.port    = 1883
 mqtt.user    = ''
 mqtt.passwd  = ''
 
 
-# home-assistant
+##########################################################################################
+##
+## HOME ASSISTANT
+##
+## The proxy supports the MQTT autoconfiguration of Home Assistant (HA). The default 
+## values match the HA default configuration. If you need to change these or want to use
+## a different MQTT client, you can adjust the prefixes of the MQTT topics below.
+##
+## https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml#home-assistant
+##
+
 ha.auto_conf_prefix = 'homeassistant'       # MQTT prefix for subscribing for homeassistant status updates
 ha.discovery_prefix = 'homeassistant'       # MQTT prefix for discovery topic 
 ha.entity_prefix    = 'tsun'                # MQTT topic prefix for publishing inverter values
@@ -142,34 +214,142 @@ ha.proxy_node_id    = 'proxy'               # MQTT node id, for the proxy_node_i
 ha.proxy_unique_id  = 'P170000000000001'    # MQTT unique id, to identify a proxy instance
 
 
-# microinverters
-inverters.allow_all = false   # True: allow inverters, even if we have no inverter mapping
+##########################################################################################
+##
+## GEN3 Proxy Mode Configuration
+##
+## In this block, you can configure an optional connection to the TSUN cloud for GEN3
+## inverters. This connection is only required if you want send data to the TSUN cloud
+## to use the TSUN APPs or receive firmware updates.  
+##
+## https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml#tsun-cloud-for-gen3-inverter-only
+##
 
-# inverter mapping, maps a `serial_no* to a `node_id` and defines an optional `suggested_area` for `home-assistant`
-#
-# for each inverter add a block starting with [inverters."<16-digit serial numbeer>"]
+tsun.enabled = true   # false: disables connecting to the tsun cloud, and avoids updates
+tsun.host    = 'logger.talent-monitoring.com'
+tsun.port    = 5005
+
+
+##########################################################################################
+##
+## GEN3PLUS Proxy Mode Configuration
+##
+## In this block, you can configure an optional connection to the TSUN cloud for GEN3PLUS
+## inverters. This connection is only required if you want send data to the TSUN cloud
+## to use the TSUN APPs or receive firmware updates.  
+##
+## https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml#solarman-cloud-for-gen3plus-inverter-only
+##
+solarman.enabled = true   # false: disables connecting to the tsun cloud, and avoids updates
+solarman.host    = 'iot.talent-monitoring.com'
+solarman.port    = 10000
+
+
+##########################################################################################
+###
+### Inverter Definitions
+###
+### The proxy supports the simultaneous operation of several inverters, even of different
+### types. A configuration block must be defined for each inverter, in which all necessary
+### parameters must be specified. These depend on the operation mode used and also differ
+### slightly depending on the inverter type.
+###
+### In addition, the PV modules can be defined at the individual inputs for documentation
+### purposes, whereby these are displayed in Home Assistant.
+###
+### The proxy only accepts connections from known inverters. This can be switched off for
+### test purposes and unknown serial numbers are also accepted. 
+###
+
+inverters.allow_all = false   # only allow known inverters
+
+
+##########################################################################################
+##
+## For each GEN3 inverter, the serial number of the inverter must be mapped to an MQTT
+## definition. To do this, the corresponding configuration block is started with
+## `[Inverter.“<16-digit serial number>”]` so that all subsequent parameters are assigned
+## to this inverter. Further inverter-specific parameters (e.g. polling mode) can be set
+## in the configuration block
+##
+## The serial numbers of all GEN3 inverters start with `R17`!
+##
 
 [inverters."R17xxxxxxxxxxxx1"]
-node_id = 'inv1'              # Optional, MQTT replacement for inverters serial number  
-suggested_area = 'roof'       # Optional, suggested installation area for home-assistant
+node_id = 'inv_1'            # MQTT replacement for inverters serial number  
+suggested_area = 'roof'      # suggested installation place for home-assistant
+modbus_polling = false       # Disable optional MODBUS polling for GEN3 inverter
 pv1 = {type = 'RSM40-8-395M', manufacturer = 'Risen'}   # Optional, PV module descr
 pv2 = {type = 'RSM40-8-395M', manufacturer = 'Risen'}   # Optional, PV module descr
 
-[inverters."R17xxxxxxxxxxxx2"]
-node_id = 'inv2'              # Optional, MQTT replacement for inverters serial number  
-suggested_area = 'balcony'    # Optional, suggested installation area for home-assistant
-pv1 = {type = 'RSM40-8-405M', manufacturer = 'Risen'}   # Optional, PV module descr
-pv2 = {type = 'RSM40-8-405M', manufacturer = 'Risen'}   # Optional, PV module descr
+
+##########################################################################################
+##
+## For each GEN3PLUS inverter, the serial number of the inverter must be mapped to an MQTT
+## definition. To do this, the corresponding configuration block is started with
+## `[Inverter.“<16-digit serial number>”]` so that all subsequent parameters are assigned
+## to this inverter. Further inverter-specific parameters (e.g. polling mode, client mode)
+## can be set in the configuration block
+## 
+## The serial numbers of all GEN3PLUS inverters start with `Y17` or Y47! Each GEN3PLUS
+## inverter is supplied with a “Monitoring SN:”. This can be found on a sticker enclosed
+## with the inverter.
+##
 
 [inverters."Y17xxxxxxxxxxxx1"]  # This block is also for inverters with a Y47 serial no
-monitor_sn = 2000000000       # The "Monitoring SN:" can be found on a sticker enclosed with the inverter
-node_id = 'inv_3'             # MQTT replacement for inverters serial number  
-suggested_area = 'garage'     # suggested installation place for home-assistant
+monitor_sn = 2000000000      # The GEN3PLUS "Monitoring SN:"
+node_id = 'inv_2'            # MQTT replacement for inverters serial number  
+suggested_area = 'garage'    # suggested installation place for home-assistant
+modbus_polling = true        # Enable optional MODBUS polling
+
+# if your inverter supports SSL connections you must use the client_mode. Pls, uncomment
+# the next line and configure the fixed IP of your inverter
+#client_mode = {host = '192.168.0.1', port = 8899, forward = true}  
+
 pv1 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
 pv2 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
 pv3 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
 pv4 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
 
+
+##########################################################################################
+##
+## For each GEN3PLUS energy storage system, the serial number  must be mapped to an MQTT
+## definition. To do this, the corresponding configuration block is started with
+## `[batteries.“<16-digit serial number>”]` so that all subsequent parameters are assigned
+## to this energy storage system. Further device-specific parameters (e.g. polling mode,
+## client mode) can be set in the configuration block
+## 
+## The serial numbers of all GEN3PLUS energy storage systems/batteries start with `410`!
+## Each GEN3PLUS device is supplied with a “Monitoring SN:”. This can be found on a 
+## sticker enclosed with the inverter.
+##
+
+[batteries."4100000000000001"]
+monitor_sn = 3000000000      # The GEN3PLUS "Monitoring SN:"
+node_id = 'bat_1'            # MQTT replacement for devices serial number  
+suggested_area = ''garage'   # suggested installation place for home-assistant
+modbus_polling = true        # Enable optional MODBUS polling
+
+# if your inverter supports SSL connections you must use the client_mode. Pls, uncomment
+# the next line and configure the fixed IP of your inverter
+#client_mode = {host = '192.168.0.1', port = 8899, forward = true}  
+
+pv1 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
+pv2 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
+
+
+##########################################################################################
+###
+### If the proxy mode is configured, commands from TSUN can be sent to the inverter via
+### this connection or parameters (e.g. network credentials) can be queried. Filters can
+### then be configured for the AT+ commands from the TSUN Cloud so that only certain
+### accesses are permitted.
+###
+### An overview of all known AT+ commands can be found here:
+### https://github.com/s-allius/tsun-gen3-proxy/wiki/AT--commands
+###
+
 [gen3plus.at_acl]
 tsun.allow = ['AT+Z', 'AT+UPURL', 'AT+SUPDATE']   # allow this for TSUN access
 tsun.block = []                                   
@@ -178,27 +358,45 @@ mqtt.block = []
 
 ```
 
-## Inverter Configuration
+</details>
 
-GEN3PLUS inverters offer a web interface that can be used to configure the inverter. This is very practical for sending the data directly to the proxy. On the one hand, the inverter broadcasts its own SSID on 2.4GHz. This can be recognized because it is broadcast with `AP_<Montoring SN>`. You will find the `Monitor SN` and the password for the WLAN connection on a small sticker enclosed with the inverter.
+## Inverter and Batterie Configuration
 
-If you have already connected the inverter to the cloud via the TSUN app, you can also address the inverter directly via WiFi. In the first case, the inverter uses the fixed IP address `10.10.100.254`, in the second case you have to look up the IP address in your router.
+GEN3PLUS devices (inverter, batteries, ...) offer a web interface that can be used to configure it. This is very practical for sending the data directly to the proxy. On the one hand, the device broadcasts its own SSID on 2.4GHz. This can be recognized because it is broadcast with `AP_<Montoring SN>`. You will find the `Monitor SN` and the password for the WLAN connection on a small sticker enclosed with the device.
 
-The standard web interface of the inverter can be accessed at `http://<ip-adress>/index_cn.html`. Here you can set up the WLAN connection or change the password. The default user and password is `admin`/`admin`.
+If you have already connected the device to the cloud via the TSUN app, you can also address the device directly via WiFi. In the first case, the device uses the fixed IP address `10.10.100.254`, in the second case you have to look up the IP address in your router.
+
+The standard web interface of the device can be accessed at `http://<ip-adress>/index_cn.html`. Here you can set up the WLAN connection or change the password. The default user and password is `admin`/`admin`.
 
 For our purpose, the hidden URL `http://<ip-adress>/config_hide.html` should be called. There you can see and modify the parameters for accessing the cloud. Here we enter the IP address of our proxy and the IP port `10000` for the `Server A Setting` and for `Optional Server Setting`. The second entry is used as a backup in the event of connection problems.
 
+```txt
+❗If the IP port is set to 10443 in the device configuration, you probably have a firmware with SSL support.
+In this case, you MUST NOT change the port or the host address, as this may cause the device to hang and
+require a complete reset. Use the configuration in client mode instead.
+```
+
 If access to the web interface does not work, it can also be redirected via DNS redirection, as is necessary for the GEN3 inverters.
 
+## Client Mode (GEN3PLUS only)
+
+Newer GEN3PLUS inverters, batteries and smart meter support SSL encrypted connections over port 10443 to the TSUN cloud. In this case you can't loop the proxy into this connection, since the certicate verification of the device don't allow this. You can configure the proxy in client-mode to establish an unencrypted connection to the inverter. For this porpuse the device listen on port `8899`.
+
+There are some requirements to be met:
+
+- the device should have a fixed IP
+- the proxy must be able to reach the device. You must configure a corresponding route in your router if the device and the proxy are in different IP networks
+- add a 'client_mode' line to your config.toml file, to specify the device's ip address
+
 ## DNS Settings
 
 ### Loop the proxy into the connection
 
-To include the proxy in the connection between the inverter and the TSUN Cloud, you must adapt the DNS record of *logger.talent-monitoring.com* within the network that your inverter uses. You need a mapping from logger.talent-monitoring.com to the IP address of the host running the Docker engine.
+To include the proxy in the connection between the device and the TSUN Cloud, you must adapt the DNS record of *logger.talent-monitoring.com* within the network that your deivce uses. You need a mapping from logger.talent-monitoring.com to the IP address of the host running the Docker engine.
 
-The new GEN3 PLUS inverters use a different URL. Here, *iot.talent-monitoring.com* must be redirected.
+The new GEN3 PLUS devices use a different URL. Here, *iot.talent-monitoring.com* must be redirected.
 
-This can be done, for example, by adding a local DNS record to the Pi-hole if you are using it.
+This can be done, for example, by adding a local DNS record to the Pi-hole if you are using it. User of the Home Assistant Add-on should use the AdGuard Add-on for this.
 
 ### DNS Rebind Protection
 
@@ -214,7 +412,7 @@ As described above, set a DNS sever in the Docker command or Docker compose file
 
 ### Over The Air (OTA) firmware update
 
-Even if the proxy is connected between the inverter and the TSUN Cloud, an OTA update is supported. To do this, the inverter must be able to reach the website <http://www.talent-monitoring.com:9002/> in order to download images from there.
+Even if the proxy is connected between the device and the TSUN Cloud, an OTA update is supported. To do this, the device must be able to reach the website <http://www.talent-monitoring.com:9002/> in order to download images from there.
 
 It must be ensured that this address is not mapped to the proxy!
 
@@ -226,22 +424,25 @@ In the following table you will find an overview of which inverter model has bee
 A combination with a red question mark should work, but I have not checked it in detail.
 
 <table align="center">
-  <tr><th align="center">Micro Inverter Model</th><th align="center">Fw. 1.00.06</th><th align="center">Fw. 1.00.17</th><th align="center">Fw. 1.00.20</th><th align="center">Fw. 4.0.10</th></tr>
-  <tr><td>GEN3 micro inverters (single MPPT):<br>MS300, MS350, MS400<br>MS400-D</td><td align="center">❓</td><td align="center">❓</td><td align="center">❓</td><td align="center">➖</td></tr>
-  <tr><td>GEN3 micro inverters (dual MPPT):<br>MS600, MS700, MS800<br>MS600-D, MS800-D</td><td align="center">✔️</td><td align="center">✔️</td><td align="center">✔️</td><td align="center">➖</td></tr>
-  <tr><td>GEN3 PLUS micro inverters:<br>MS1600, MS1800, MS2000<br>MS2000-D</td><td align="center">➖</td><td align="center">➖</td><td align="center">➖</td><td align="center">✔️</td></tr>
-  <tr><td>TITAN micro inverters:<br>TSOL-MP3000, MP2250, MS3000</td><td align="center">❓</td><td align="center">❓</td><td align="center">❓</td><td align="center">❓</td></tr>
+  <tr><th align="center">Micro Inverter Model</th><th align="center">Fw. 1.00.06</th><th align="center">Fw. 1.00.17</th><th align="center">Fw. 1.00.20</th><th align="center">Fw. 4.0.10</th><th align="center">Fw. 4.0.20</th></tr>
+  <tr><td>GEN3 micro inverters (single MPPT):<br>MS300, MS350, MS400<br>MS400-D</td><td align="center">✔️</td><td align="center">✔️</td><td align="center">✔️</td><td align="center">➖</td><td align="center">➖</td></tr>
+  <tr><td>GEN3 micro inverters (dual MPPT):<br>MS600, MS700, MS800<br>MS600-D, MS800-D</td><td align="center">✔️</td><td align="center">✔️</td><td align="center">✔️</td><td align="center">➖</td><td align="center">➖</td></tr>
+  <tr><td>GEN3 micro inverters (quad MPPT):<br>MS3000</td><td align="center">✔️</td><td align="center">✔️</td><td align="center">✔️</td><td align="center">➖</td><td align="center">➖</td></tr>
+  <tr><td>GEN3 PLUS micro inverters:<br>MS1600, MS1800, MS2000<br>MS2000-D, MS800</td><td align="center">➖</td><td align="center">➖</td><td align="center">➖</td><td align="center">✔️</td><td align="center">✔️</td></tr>
+  <tr><td>GEN3 PLUS storage systems:<br>DC1000</td><td align="center">➖</td><td align="center">➖</td><td align="center">➖</td><td align="center">✔️</td><td align="center">✔️</td></tr>
+  <tr><td>GEN3 PLUS smart meter:<br>TSOL-MG3-MS, DDZY422-D2</td><td align="center">➖</td><td align="center">➖</td><td align="center">➖</td><td align="center">❓</td><td align="center">❓</td></tr>
+</<tr><td>TITAN micro inverters:<br>TSOL-MP3000, MP2250</td><td align="center">❓</td><td align="center">❓</td><td align="center">❓</td><td align="center">❓</td><td align="center">❓</td></tr>
 </table>
 
 ```txt
 Legend
 ➖: Firmware not available for this devices
-✔️: proxy support testet
-❓: proxy support possible but not testet
+✔️: Proxy support testet
+❓: Proxy support unknown. There is an open port, but all known protocols do not work.
 🚧: Proxy support in preparation
 ```
 
-❗The new inverters of the GEN3 Plus generation (e.g. MS-2000) use a completely different protocol for data transmission to the TSUN server. These inverters are supported from proxy version 0.6. The serial numbers of these inverters start with `Y17E` or `Y47E` instead of `R17E`
+❗GEN3 Plus generation devices (e.g. MS-2000, DC-1000) can be recognized by their serial number. This starts with 'Y17' or 'Y47' for inverters and '410' for the DC-1000 battery storage system. In contrast, the serial number of GEN3 inverters begins with 'R17' or 'R47'.
 
 If you have one of these combinations with a red question mark, it would be very nice if you could send me a proxy trace so that I can carry out the detailed checks and adjust the device and system tests. [Ask here how to send a trace](https://github.com/s-allius/tsun-gen3-proxy/discussions/categories/traces-for-compatibility-check)
 
@@ -265,3 +466,6 @@ We're very happy to receive contributions to this project! You can get started b
 ## Changelog
 
 The changelog lives in [CHANGELOG.md](https://github.com/s-allius/tsun-gen3-proxy/blob/main/CHANGELOG.md). It follows the principles of [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
+
+[repository-badge]: https://img.shields.io/badge/Add%20repository%20to%20my-Home%20Assistant-41BDF5?logo=home-assistant&style=for-the-badge
+[repository-url]: https://my.home-assistant.io/redirect/supervisor_add_addon_repository/?repository_url=https%3A%2F%2Fgithub.com%2Fs-allius%2Fha-addons

app/.dockerignore

@@ -2,4 +2,6 @@ tests/
 **/__pycache__
 *.pyc
 .DS_Store
-build.sh
+build.sh
+*.pot
+*.po

app/.version

@@ -0,0 +1 @@
+0.14.0

app/Dockerfile

@@ -4,37 +4,35 @@ ARG GID=1000
 
 #
 # first stage for our base image
-FROM python:3.12-alpine AS base
-USER root
+FROM python:3.13-alpine AS base
 
-COPY --chmod=0700 ./hardening_base.sh .
+COPY --chmod=0700 ./hardening_base.sh /
 RUN apk upgrade --no-cache && \
-    apk add --no-cache su-exec	&& \
-    ./hardening_base.sh && \
-    rm ./hardening_base.sh
+    apk add --no-cache su-exec=0.2-r3	&& \
+    /hardening_base.sh && \
+    rm /hardening_base.sh
 
 #
 # second stage for building wheels packages
-FROM base as builder
+FROM base AS builder
 
 # copy the dependencies file to the root dir and install requirements
 COPY ./requirements.txt /root/
-RUN apk add --no-cache build-base && \
-    python -m pip install --no-cache-dir -U pip wheel && \
+RUN apk add --no-cache build-base=0.5-r3 && \
+    python -m pip install --no-cache-dir pip==24.3.1 wheel==0.45.1 && \
     python -OO -m pip wheel --no-cache-dir --wheel-dir=/root/wheels -r /root/requirements.txt
 
 
 #
 # third stage for our runtime image
-FROM base as runtime
+FROM base AS runtime
 ARG SERVICE_NAME
 ARG VERSION
 ARG UID
 ARG GID
-ARG LOG_LVL
+ARG LOG_LVL=INFO
 ARG environment
 
-ENV VERSION=$VERSION
 ENV SERVICE_NAME=$SERVICE_NAME
 ENV UID=$UID
 ENV GID=$GID 
@@ -51,9 +49,9 @@ VOLUME ["/home/$SERVICE_NAME/log", "/home/$SERVICE_NAME/config"]
 # and unistall python packages and alpine package manger to reduce attack surface
 COPY --from=builder /root/wheels /root/wheels
 COPY --chmod=0700 ./hardening_final.sh .
-RUN python -m pip install --no-cache --no-index /root/wheels/* && \
+RUN python -m pip install --no-cache-dir --no-cache --no-index /root/wheels/* && \
     rm -rf /root/wheels && \
-    python -m pip uninstall --yes setuptools wheel pip && \
+    python -m pip uninstall --yes wheel pip && \
     apk --purge del apk-tools && \
     ./hardening_final.sh && \
     rm ./hardening_final.sh
@@ -61,19 +59,12 @@ RUN python -m pip install --no-cache --no-index /root/wheels/* && \
 
 # copy the content of the local src and config directory to the working directory
 COPY --chmod=0700 entrypoint.sh /root/entrypoint.sh
-COPY config .
 COPY src .
-
-EXPOSE 5005
+COPY translations ./translations
+RUN echo ${VERSION} > /proxy-version.txt \
+  && date > /build-date.txt
+EXPOSE 5005 8127 10000
 
 # command to run on container start
 ENTRYPOINT ["/root/entrypoint.sh"]
 CMD [ "python3", "./server.py" ]
-
-
-LABEL org.opencontainers.image.title="TSUN Gen3 Proxy"
-LABEL org.opencontainers.image.authors="Stefan Allius"
-LABEL org.opencontainers.image.source https://github.com/s-allius/tsun-gen3-proxy
-LABEL org.opencontainers.image.description 'This proxy enables a reliable connection between TSUN third generation inverters (eg. TSOL MS600, MS800, MS2000) and an MQTT broker to integrate the inverter into typical home automations.'
-LABEL org.opencontainers.image.licenses="BSD-3-Clause"
-LABEL org.opencontainers.image.vendor="Stefan Allius"

app/Makefile

@@ -0,0 +1,63 @@
+#!make
+include ../.env
+
+SHELL = /bin/sh
+IMAGE = tsun-gen3-proxy
+
+
+# Folders
+APP=.
+SRC=$(APP)/src
+# Folders for Babel translation
+BABEL_INPUT_JINJA=$(SRC)/web/templates
+BABEL_INPUT= $(foreach dir,$(BABEL_INPUT_JINJA),$(wildcard $(dir)/*.html.j2)) \
+
+BABEL_TRANSLATIONS=$(APP)/translations
+
+export BUILD_DATE := ${shell date -Iminutes}
+VERSION := $(shell cat $(APP)/.version)
+export MAJOR  := $(shell echo $(VERSION) | cut -f1 -d.)
+
+PUBLIC_URL := $(shell echo $(PUBLIC_CONTAINER_REGISTRY) | cut -f1 -d/)
+PUBLIC_USER :=$(shell echo $(PUBLIC_CONTAINER_REGISTRY) | cut -f2 -d/)
+
+clean:
+	rm -f $(BABEL_TRANSLATIONS)/*.pot
+
+dev debug:
+	@echo version: $(VERSION)  build-date: $(BUILD_DATE)   image: $(PRIVAT_CONTAINER_REGISTRY)$(IMAGE)
+	export VERSION=$(VERSION)-$@ && \
+	export IMAGE=$(PRIVAT_CONTAINER_REGISTRY)$(IMAGE) && \
+	docker buildx bake -f docker-bake.hcl $@
+
+rc:
+	@[ "${RC}" ] || ( echo ">> RC is not set"; exit 1 )
+	@echo version: $(VERSION)  build-date: $(BUILD_DATE)   image: $(PUBLIC_CONTAINER_REGISTRY)$(IMAGE)
+	@echo login at $(PUBLIC_URL) as $(PUBLIC_USER)
+	@DO_LOGIN="$(shell echo $(PUBLIC_CR_KEY) | docker login $(PUBLIC_URL) -u $(PUBLIC_USER) --password-stdin)"
+	export VERSION=$(VERSION)-$@$(RC) && \
+	export IMAGE=$(PUBLIC_CONTAINER_REGISTRY)$(IMAGE) && \
+	docker buildx bake -f docker-bake.hcl $@
+
+preview rel:
+	@echo version: $(VERSION)  build-date: $(BUILD_DATE)   image: $(PUBLIC_CONTAINER_REGISTRY)$(IMAGE)
+	@echo login at $(PUBLIC_URL) as $(PUBLIC_USER)
+	@DO_LOGIN="$(shell echo $(PUBLIC_CR_KEY) | docker login $(PUBLIC_URL) -u $(PUBLIC_USER) --password-stdin)"
+	export VERSION=$(VERSION)-$@ && \
+	export IMAGE=$(PUBLIC_CONTAINER_REGISTRY)$(IMAGE) && \
+	docker buildx bake -f docker-bake.hcl $@
+
+babel: $(BABEL_TRANSLATIONS)/de/LC_MESSAGES/messages.mo $(BABEL_TRANSLATIONS)/de/LC_MESSAGES/messages.po $(BABEL_TRANSLATIONS)/messages.pot
+
+$(BABEL_TRANSLATIONS)/%.pot : $(SRC)/.babel.cfg $(BABEL_INPUT)
+	@mkdir -p $(@D)
+	@pybabel extract -F $< --project=$(IMAGE) --version=$(VERSION) -o $@ $(SRC)
+
+$(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.po : $(BABEL_TRANSLATIONS)/messages.pot
+	@mkdir -p $(@D)
+	@pybabel update  --init-missing -i $< -d $(BABEL_TRANSLATIONS) -l $*
+
+$(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.mo : $(BABEL_TRANSLATIONS)/%/LC_MESSAGES/messages.po
+	@pybabel compile  -d $(BABEL_TRANSLATIONS) -l $*
+
+.PHONY: babel clean debug dev preview rc rel

app/build.sh

@@ -1,55 +0,0 @@
-#!/bin/bash
-# Usage: ./build.sh [dev|rc|rel]
-# dev: development build
-# rc: release candidate build
-# rel: release build and push to ghcr.io
-# Note: for release build, you need to set GHCR_TOKEN
-# export GHCR_TOKEN=<YOUR_GITHUB_TOKEN> in your .profile
-# see also: https://docs.github.com/en/packages/working-with-a-github-packages-registry/working-with-the-container-registry
-
-
-set -e
-
-BUILD_DATE=$(date -Iminutes)
-BRANCH=$(git rev-parse --abbrev-ref HEAD)
-VERSION=$(git describe --tags --abbrev=0)
-VERSION="${VERSION:1}"
-arr=(${VERSION//./ })
-MAJOR=${arr[0]}
-IMAGE=tsun-gen3-proxy
-
-if [[ $1 == debug ]] || [[ $1 == dev ]] ;then
-IMAGE=docker.io/sallius/${IMAGE}
-VERSION=${VERSION}-$1
-elif [[ $1 == rc ]] || [[ $1 == rel ]];then
-IMAGE=ghcr.io/s-allius/${IMAGE}
-else
-echo argument missing!
-echo try: $0 '[debug|dev|rc|rel]'
-exit 1
-fi
-
-echo version: $VERSION  build-date: $BUILD_DATE   image: $IMAGE
-if [[ $1 == debug ]];then
-docker build --build-arg "VERSION=${VERSION}" --build-arg environment=dev --build-arg "LOG_LVL=DEBUG" --label "org.opencontainers.image.created=${BUILD_DATE}" --label "org.opencontainers.image.version=${VERSION}" --label "org.opencontainers.image.revision=${BRANCH}" -t ${IMAGE}:dev app
-elif [[ $1 == dev ]];then
-docker build --build-arg "VERSION=${VERSION}" --build-arg environment=production --label "org.opencontainers.image.created=${BUILD_DATE}" --label "org.opencontainers.image.version=${VERSION}" --label "org.opencontainers.image.revision=${BRANCH}" -t ${IMAGE}:dev app
-
-elif [[ $1 == rc ]];then
-docker build --build-arg "VERSION=${VERSION}" --build-arg environment=production --label "org.opencontainers.image.created=${BUILD_DATE}" --label "org.opencontainers.image.version=${VERSION}" --label "org.opencontainers.image.revision=${BRANCH}" -t ${IMAGE}:rc -t ${IMAGE}:${VERSION} app
-echo 'login to ghcr.io'    
-echo $GHCR_TOKEN | docker login ghcr.io -u s-allius --password-stdin
-docker push ghcr.io/s-allius/tsun-gen3-proxy:rc
-docker push ghcr.io/s-allius/tsun-gen3-proxy:${VERSION}
-
-elif [[ $1 == rel ]];then
-docker build --no-cache --build-arg "VERSION=${VERSION}" --build-arg environment=production --label "org.opencontainers.image.created=${BUILD_DATE}" --label "org.opencontainers.image.version=${VERSION}" --label "org.opencontainers.image.revision=${BRANCH}" -t ${IMAGE}:latest -t ${IMAGE}:${MAJOR} -t ${IMAGE}:${VERSION} app
-echo 'login to ghcr.io'    
-echo $GHCR_TOKEN | docker login ghcr.io -u s-allius --password-stdin
-docker push ghcr.io/s-allius/tsun-gen3-proxy:latest
-docker push ghcr.io/s-allius/tsun-gen3-proxy:${MAJOR}
-docker push ghcr.io/s-allius/tsun-gen3-proxy:${VERSION}
-fi
-
-echo 'check docker-compose.yaml file'
-docker-compose config -q

app/config/default_config.toml

@@ -1,56 +0,0 @@
-# configuration to reach tsun cloud
-tsun.enabled = true   # false: disables connecting to the tsun cloud, and avoids updates
-tsun.host    = 'logger.talent-monitoring.com'
-tsun.port    = 5005
-
-# configuration to reach the new tsun cloud for G3 Plus inverters
-solarman.enabled = true   # false: disables connecting to the tsun cloud, and avoids updates
-solarman.host    = 'iot.talent-monitoring.com'
-solarman.port    = 10000
-
-# mqtt broker configuration
-mqtt.host    = 'mqtt'   # URL or IP address of the mqtt broker
-mqtt.port    = 1883
-mqtt.user    = ''
-mqtt.passwd  = ''
-
-
-# home-assistant
-ha.auto_conf_prefix = 'homeassistant'       # MQTT prefix for subscribing for homeassistant status updates
-ha.discovery_prefix = 'homeassistant'       # MQTT prefix for discovery topic 
-ha.entity_prefix    = 'tsun'                # MQTT topic prefix for publishing inverter values
-ha.proxy_node_id    = 'proxy'               # MQTT node id, for the proxy_node_id
-ha.proxy_unique_id  = 'P170000000000001'    # MQTT unique id, to identify a proxy instance
-
-# microinverters
-inverters.allow_all = true   # allow inverters, even if we have no inverter mapping
-
-# inverter mapping, maps a `serial_no* to a `mqtt_id` and defines an optional `suggested_place` for `home-assistant`
-#
-# for each inverter add a block starting with [inverters."<16-digit serial numbeer>"]
-[inverters."R170000000000001"]
-#node_id = ''                 # Optional, MQTT replacement for inverters serial number  
-#suggested_area = ''          # Optional, suggested installation area for home-assistant
-#pv1 = {type = 'RSM40-8-395M', manufacturer = 'Risen'}   # Optional, PV module descr
-#pv2 = {type = 'RSM40-8-395M', manufacturer = 'Risen'}   # Optional, PV module descr
-
-#[inverters."R17xxxxxxxxxxxx2"]
-#node_id = ''                 # Optional, MQTT replacement for inverters serial number  
-#suggested_area = ''          # Optional, suggested installation area for home-assistant
-#pv1 = {type = 'RSM40-8-405M', manufacturer = 'Risen'}   # Optional, PV module descr
-#pv2 = {type = 'RSM40-8-405M', manufacturer = 'Risen'}   # Optional, PV module descr
-
-[inverters."Y170000000000001"]
-monitor_sn = 2000000000       # The "Monitoring SN:" can be found on a sticker enclosed with the inverter
-#node_id = ''                 # Optional, MQTT replacement for inverters serial number  
-#suggested_area = ''          # Optional, suggested installation place for home-assistant
-#pv1 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
-#pv2 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
-#pv3 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
-#pv4 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
-
-[gen3plus.at_acl]
-tsun.allow = ['AT+Z', 'AT+UPURL', 'AT+SUPDATE']
-tsun.block = []
-mqtt.allow = ['AT+']
-mqtt.block = []

app/docker-bake.hcl

@@ -0,0 +1,93 @@
+variable "IMAGE" {
+    default = "tsun-gen3-proxy"
+}
+variable "VERSION" {
+    default = "0.0.0"
+}
+variable "MAJOR" {
+    default = "0"
+}
+variable "BUILD_DATE" {
+    default = "dev"
+}
+variable "BRANCH" {
+    default = ""
+}
+variable "DESCRIPTION" {
+    default = "This proxy enables a reliable connection between TSUN third generation inverters (eg. TSOL MS600, MS800, MS2000) and an MQTT broker to integrate the inverter into typical home automations."
+}
+
+target "_common" {
+  context = "."
+  dockerfile = "Dockerfile"
+  args = {
+    VERSION = "${VERSION}"
+    environment = "production"
+  }
+  attest = [
+    "type =provenance,mode=max",
+    "type =sbom,generator=docker/scout-sbom-indexer:latest"
+  ]
+  annotations = [
+    "index:org.opencontainers.image.title=TSUN Gen3 Proxy",
+    "index:org.opencontainers.image.authors=Stefan Allius",
+    "index:org.opencontainers.image.created=${BUILD_DATE}",
+    "index:org.opencontainers.image.version=${VERSION}",
+    "index:org.opencontainers.image.revision=${BRANCH}",
+    "index:org.opencontainers.image.description=${DESCRIPTION}",
+    "index:org.opencontainers.image.licenses=BSD-3-Clause",
+    "index:org.opencontainers.image.source=https://github.com/s-allius/tsun-gen3-proxy"
+  ]
+  labels = {
+    "org.opencontainers.image.title" = "TSUN Gen3 Proxy"
+    "org.opencontainers.image.authors" = "Stefan Allius"
+    "org.opencontainers.image.created" = "${BUILD_DATE}"
+    "org.opencontainers.image.version" = "${VERSION}"
+    "org.opencontainers.image.revision" = "${BRANCH}"
+    "org.opencontainers.image.description" = "${DESCRIPTION}"
+    "org.opencontainers.image.licenses" = "BSD-3-Clause"
+    "org.opencontainers.image.source" = "https://github.com/s-allius/tsun-gen3-proxy"
+  }
+  output = [
+    "type=image,push=true"
+  ]
+
+  no-cache = false
+  platforms = ["linux/amd64", "linux/arm64", "linux/arm/v7"]
+}
+
+target "_debug" {
+  args = {
+    LOG_LVL = "DEBUG"
+    environment = "dev"
+  }
+}
+target "_prod" {
+  args = {
+  }
+}
+target "debug" {
+  inherits = ["_common", "_debug"]
+  tags = ["${IMAGE}:debug"]
+}
+
+target "dev" {
+  inherits = ["_common"]
+  tags = ["${IMAGE}:dev"]
+}
+
+target "preview" {
+  inherits = ["_common", "_prod"]
+  tags = ["${IMAGE}:preview", "${IMAGE}:${VERSION}"]
+}
+
+target "rc" {
+  inherits = ["_common", "_prod"]
+  tags = ["${IMAGE}:rc", "${IMAGE}:${VERSION}"]
+}
+
+target "rel" {
+  inherits = ["_common", "_prod"]
+  tags = ["${IMAGE}:latest", "${IMAGE}:${MAJOR}", "${IMAGE}:${VERSION}"]
+  no-cache = true
+}

app/docu/proxy.svg

@@ -0,0 +1,263 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: G Pages: 1 -->
+<svg width="634pt" height="966pt"
+ viewBox="0.00 0.00 634.00 966.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 962)">
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+<text text-anchor="middle" x="149" y="-919" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">You can stick notes</text>
+<text text-anchor="middle" x="149" y="-907" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">on diagrams too!</text>
+</g>
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+<!-- A3&#45;&gt;A2 -->
+<g id="edge9" class="edge">
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+<text text-anchor="start" x="223.7835" y="-355" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;disc(shutdown_started=False)</text>
+<text text-anchor="start" x="255.044" y="-343" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;create_remote()</text>
+<text text-anchor="start" x="249.484" y="-331" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;async_publ_mqtt()</text>
+</g>
+<!-- A3&#45;&gt;A5 -->
+<g id="edge7" class="edge">
+<title>A3&#45;&gt;A5</title>
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+<text text-anchor="start" x="389.7185" y="-185" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">ifc:AsyncIfc</text>
+</g>
+<!-- A5&#45;&gt;A6 -->
+<g id="edge8" class="edge">
+<title>A5&#45;&gt;A6</title>
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+</g>
+<!-- A5&#45;&gt;A7 -->
+<g id="edge5" class="edge">
+<title>A5&#45;&gt;A7</title>
+<path fill="none" stroke="#000000" d="M309,-307.7729C309,-280.5002 309,-254.684 309,-238.2013"/>
+<polygon fill="none" stroke="#000000" points="305.5001,-307.872 309,-317.872 312.5001,-307.872 305.5001,-307.872"/>
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+<!-- A9 -->
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+<!-- A5&#45;&gt;A9 -->
+<g id="edge6" class="edge">
+<title>A5&#45;&gt;A9</title>
+<path fill="none" stroke="#000000" d="M205.2667,-346.4637C174.3973,-321.9347 140.8582,-294.4156 111,-268 100.2971,-258.5312 88.8616,-247.3925 79.732,-238.23"/>
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+</g>
+<!-- A6&#45;&gt;A11 -->
+<g id="edge11" class="edge">
+<title>A6&#45;&gt;A11</title>
+<path fill="none" stroke="#000000" d="M401.1633,-171.974C395.4982,-146.4565 391.0868,-114.547 395,-86 396.8468,-72.5276 400.661,-57.9618 404.3907,-45.7804"/>
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+<title>A12</title>
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+</g>
+<!-- A6&#45;&gt;A12 -->
+<g id="edge10" class="edge">
+<title>A6&#45;&gt;A12</title>
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+<text text-anchor="middle" x="449.4498" y="-138.9887" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">1</text>
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+<!-- A8 -->
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+<title>A8</title>
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+<text text-anchor="middle" x="536" y="-235" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">Creates an GEN3</text>
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+<text text-anchor="middle" x="536" y="-211" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">with</text>
+<text text-anchor="middle" x="536" y="-199" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">prot_class:Talent</text>
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+<!-- A7&#45;&gt;A8 -->
+<g id="edge3" class="edge">
+<title>A7&#45;&gt;A8</title>
+<path fill="none" stroke="#000000" stroke-dasharray="5,2" d="M317.0491,-238.3283C325.9345,-256.0056 342.0793,-281.6949 365,-293 404.8598,-312.6598 424.0578,-310.2929 465,-293 486.6607,-283.8511 504.9784,-264.5049 517.5802,-248.0264"/>
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+<text text-anchor="middle" x="187" y="-235" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">Creates an GEN3PLUS</text>
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+<text text-anchor="middle" x="187" y="-211" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">with</text>
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+<!-- A9&#45;&gt;A10 -->
+<g id="edge4" class="edge">
+<title>A9&#45;&gt;A10</title>
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+<!-- A12&#45;&gt;A11 -->
+<g id="edge12" class="edge">
+<title>A12&#45;&gt;A11</title>
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+<text text-anchor="start" x="52.497" y="-411" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">addr</text>
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+<!-- A14&#45;&gt;A13 -->
+<g id="edge14" class="edge">
+<title>A14&#45;&gt;A13</title>
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app/docu/proxy.yuml

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+// {type:class}
+// {direction:topDown}
+// {generate:true}
+
+[note: You can stick notes on diagrams too!{bg:cornsilk}]
+[<<AbstractIterMeta>>||__iter__()]
+
+[Mqtt;<<Singleton>>|<static>ha_restarts;<static>__client;<static>__cb_MqttIsUp|<async>publish();<async>close()]
+[Proxy|<cls>db_stat;<cls>entity_prfx;<cls>discovery_prfx;<cls>proxy_node_id;<cls>proxy_unique_id;<cls>mqtt:Mqtt;;__ha_restarts|class_init();class_close();;<async>_cb_mqtt_is_up();<async>_register_proxy_stat_home_assistant();<async>_async_publ_mqtt_proxy_stat(key)]
+
+[<<InverterIfc>>||healthy()->bool;<async>disc(shutdown_started=False);<async>create_remote();]
+[<<AbstractIterMeta>>]^-.-[<<InverterIfc>>]
+[InverterBase|_registry;__ha_restarts;;addr;config_id:str;prot_class:MessageProt;remote:StreamPtr;local:StreamPtr;|healthy()->bool;<async>disc(shutdown_started=False);<async>create_remote();<async>async_publ_mqtt()]
+[StreamPtr||stream:ProtocolIfc;ifc:AsyncIfc]
+[<<InverterIfc>>]^-.-[InverterBase]
+[InverterG3]-[note: Creates an GEN3 inverter instance with prot_class:Talent{bg:cornsilk}]
+[InverterG3P]-[note: Creates an GEN3PLUS inverter instance with prot_class:SolarmanV5{bg:cornsilk}]
+[InverterBase]^[InverterG3]
+[InverterBase]^[InverterG3P]
+[Proxy]^[InverterBase]
+[InverterBase]-2>[StreamPtr]
+[Proxy]++->[Mqtt;<<Singleton>>]
+
+[<<AsyncIfc>>]
+
+
+[StreamPtr]-1>[<<ProtocolIfc>>]
+[StreamPtr]-1>[<<AsyncIfc>>]
+
+
+[<<ProtocolIfc>>]use-.->[<<AsyncIfc>>]
+
+
+[ModbusConn|host;port;addr;stream:InverterG3P;|]has-1>[InverterG3P]
+[ModbusTcp||<async>modbus_loop()]creates-*>[ModbusConn]
+

app/docu/proxy_2.svg

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+<text text-anchor="middle" x="193.6155" y="-1959" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">Example of</text>
+<text text-anchor="middle" x="193.6155" y="-1947" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">instantiation for a</text>
+<text text-anchor="middle" x="193.6155" y="-1935" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">GEN3 inverter!</text>
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+<title>A15</title>
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+<text text-anchor="start" x="286.322" y="-1761" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;&lt;ProtocolIfc&gt;&gt;</text>
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+<text text-anchor="start" x="302.449" y="-1729" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">_registry</text>
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+<text text-anchor="start" x="306.618" y="-1697" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+</g>
+<!-- A1&#45;&gt;A15 -->
+<g id="edge15" class="edge">
+<title>A1&#45;&gt;A15</title>
+<path fill="none" stroke="#000000" stroke-dasharray="5,2" d="M321.6155,-1897.756C321.6155,-1862.0883 321.6155,-1815.1755 321.6155,-1780.3644"/>
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+<title>A2</title>
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+<text text-anchor="start" x="116.6125" y="-643" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">addr</text>
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+<text text-anchor="start" x="91.0575" y="-587" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">create_remote()</text>
+<text text-anchor="start" x="111.618" y="-563" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
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+<g id="edge1" class="edge">
+<title>A2&#45;&gt;A3</title>
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+<!-- A2&#45;&gt;A4 -->
+<g id="edge2" class="edge">
+<title>A2&#45;&gt;A4</title>
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+<!-- A5 -->
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+<title>A5</title>
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+<text text-anchor="middle" x="261.6155" y="-299" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">remote:StreamPtr</text>
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+<!-- A2&#45;&gt;A5 -->
+<g id="edge3" class="edge">
+<title>A2&#45;&gt;A5</title>
+<path fill="none" stroke="#000000" d="M157.861,-538.7126C166.3035,-516.9056 175.6035,-493.4873 184.6155,-472 205.944,-421.1467 232.9474,-362.7699 248.6524,-329.3512"/>
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+<!-- A9 -->
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+<text text-anchor="start" x="173.167" y="-113" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">AsyncStreamServer</text>
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+<text text-anchor="start" x="185.3865" y="-81" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">create_remote</text>
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+<text text-anchor="start" x="169.273" y="-49" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;server_loop()</text>
+<text text-anchor="start" x="160.104" y="-37" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;_async_forward()</text>
+<text text-anchor="start" x="138.4245" y="-25" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;publish_outstanding_mqtt()</text>
+<text text-anchor="start" x="202.618" y="-13" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+</g>
+<!-- A4&#45;&gt;A9 -->
+<g id="edge9" class="edge">
+<title>A4&#45;&gt;A9</title>
+<path fill="none" stroke="#000000" d="M151.2355,-272.1274C161.7441,-239.4955 178.9835,-185.9626 193.26,-141.6303"/>
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+<!-- A10 -->
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+<title>A10</title>
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+<text text-anchor="start" x="389.1125" y="-95" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">AsyncStreamClient</text>
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+<text text-anchor="start" x="385.4935" y="-43" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;client_loop()</text>
+<text text-anchor="start" x="372.4395" y="-31" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;_async_forward())</text>
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+<!-- A5&#45;&gt;A10 -->
+<g id="edge11" class="edge">
+<title>A5&#45;&gt;A10</title>
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+<text text-anchor="middle" x="268.7308" y="-260.6464" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">0..1</text>
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+<!-- A6 -->
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+<title>A6</title>
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+<text text-anchor="start" x="424.5515" y="-1075" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">set_node_id()</text>
+<text text-anchor="start" x="422.8815" y="-1063" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">get_conn_no()</text>
+<text text-anchor="start" x="436.779" y="-1039" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_add()</text>
+<text text-anchor="start" x="434.5595" y="-1027" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_flush()</text>
+<text text-anchor="start" x="438.169" y="-1015" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_get()</text>
+<text text-anchor="start" x="434.279" y="-1003" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_peek()</text>
+<text text-anchor="start" x="438.449" y="-991" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_log()</text>
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+<text text-anchor="start" x="438.449" y="-967" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_len()</text>
+<text text-anchor="start" x="432.89" y="-943" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">fwd_add()</text>
+<text text-anchor="start" x="434.56" y="-931" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">fwd_log()</text>
+<text text-anchor="start" x="437.894" y="-919" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_get()</text>
+<text text-anchor="start" x="434.004" y="-907" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_peek()</text>
+<text text-anchor="start" x="438.174" y="-895" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_log()</text>
+<text text-anchor="start" x="434.0095" y="-883" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_clear()</text>
+<text text-anchor="start" x="438.174" y="-871" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_len()</text>
+<text text-anchor="start" x="430.1145" y="-859" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_set_cb()</text>
+<text text-anchor="start" x="406.495" y="-835" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">prot_set_timeout_cb()</text>
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+<!-- A7 -->
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+<title>A7</title>
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+<text text-anchor="start" x="460.7775" y="-609" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_fifo:ByteFifo</text>
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+<text text-anchor="start" x="476.329" y="-585" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">node_id</text>
+<text text-anchor="start" x="469.665" y="-573" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">timeout_cb</text>
+</g>
+<!-- A6&#45;&gt;A7 -->
+<g id="edge4" class="edge">
+<title>A6&#45;&gt;A7</title>
+<path fill="none" stroke="#000000" stroke-dasharray="5,2" d="M473.1735,-811.7434C478.1009,-766.0069 483.1088,-719.5241 486.9345,-684.013"/>
+<polygon fill="none" stroke="#000000" points="469.682,-811.4771 472.0907,-821.7945 476.6418,-812.227 469.682,-811.4771"/>
+</g>
+<!-- A8 -->
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+<title>A8</title>
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+<text text-anchor="start" x="455.1685" y="-371" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">reader</text>
+<text text-anchor="start" x="457.3985" y="-359" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">writer</text>
+<text text-anchor="start" x="459.6125" y="-347" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">addr</text>
+<text text-anchor="start" x="455.1685" y="-335" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">r_addr</text>
+<text text-anchor="start" x="455.7235" y="-323" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">l_addr</text>
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+<text text-anchor="start" x="441.2695" y="-279" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;loop</text>
+<text text-anchor="start" x="457.3975" y="-267" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">disc()</text>
+<text text-anchor="start" x="454.618" y="-255" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+<text text-anchor="start" x="450.1695" y="-243" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">healthy()</text>
+<text text-anchor="start" x="434.886" y="-219" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">__async_read()</text>
+<text text-anchor="start" x="434.3365" y="-207" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">__async_write()</text>
+<text text-anchor="start" x="428.2225" y="-195" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">__async_forward()</text>
+</g>
+<!-- A7&#45;&gt;A8 -->
+<g id="edge5" class="edge">
+<title>A7&#45;&gt;A8</title>
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+<!-- A8&#45;&gt;A9 -->
+<g id="edge6" class="edge">
+<title>A8&#45;&gt;A9</title>
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+<!-- A8&#45;&gt;A10 -->
+<g id="edge7" class="edge">
+<title>A8&#45;&gt;A10</title>
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+<!-- A11 -->
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+<title>A11</title>
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+<text text-anchor="start" x="203.3785" y="-685" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">await_conn_resp_cnt</text>
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+<text text-anchor="start" x="222.5555" y="-649" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">contact_mail</text>
+<text text-anchor="start" x="226.16" y="-637" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">db:InfosG3</text>
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+<text text-anchor="start" x="208.108" y="-581" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">msg_contact_info()</text>
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+<text text-anchor="start" x="215.892" y="-557" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">msg_get_time()</text>
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+<text text-anchor="start" x="215.056" y="-521" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">msg_unknown()</text>
+<text text-anchor="start" x="231.1695" y="-497" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">healthy()</text>
+<text text-anchor="start" x="235.618" y="-485" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+</g>
+<!-- A11&#45;&gt;A4 -->
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+<title>A11&#45;&gt;A4</title>
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+<!-- A11&#45;&gt;A5 -->
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+<title>A11&#45;&gt;A5</title>
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+<!-- A13 -->
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+<title>A13</title>
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+<text text-anchor="start" x="343.4995" y="-279" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">ha_confs()</text>
+<text text-anchor="start" x="351.2835" y="-267" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">parse()</text>
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+<!-- A11&#45;&gt;A13 -->
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+<title>A11&#45;&gt;A13</title>
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+<!-- A12 -->
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+<text text-anchor="start" x="367.2775" y="-723" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">Infos</text>
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+<text text-anchor="start" x="348.946" y="-611" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">inc_counter()</text>
+<text text-anchor="start" x="347.276" y="-599" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">dec_counter()</text>
+<text text-anchor="start" x="345.3255" y="-587" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">ha_proxy_conf</text>
+<text text-anchor="start" x="360.3285" y="-575" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">ha_conf</text>
+<text text-anchor="start" x="353.1095" y="-563" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">ha_remove</text>
+<text text-anchor="start" x="354.49" y="-551" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">update_db</text>
+<text text-anchor="start" x="338.6525" y="-539" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">set_db_def_value</text>
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+</g>
+<!-- A12&#45;&gt;A13 -->
+<g id="edge12" class="edge">
+<title>A12&#45;&gt;A13</title>
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+<text text-anchor="start" x="322.383" y="-1257" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">_send_modbus_cmd()</text>
+<text text-anchor="start" x="307.375" y="-1245" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt; end_modbus_cmd()</text>
+<text text-anchor="start" x="357.118" y="-1233" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+<text text-anchor="start" x="342.946" y="-1221" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">inc_counter()</text>
+<text text-anchor="start" x="341.276" y="-1209" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">dec_counter()</text>
+</g>
+<!-- A14&#45;&gt;A6 -->
+<g id="edge14" class="edge">
+<title>A14&#45;&gt;A6</title>
+<path fill="none" stroke="#000000" d="M409.7752,-1195.7758C412.5746,-1182.5547 415.3943,-1169.2373 418.1831,-1156.0662"/>
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+<title>A16&#45;&gt;A14</title>
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app/docu/proxy_2.yuml

@@ -0,0 +1,43 @@
+// {type:class}
+// {direction:topDown}
+// {generate:true}
+
+[note: Example of instantiation for a GEN3 inverter!{bg:cornsilk}]
+[<<AbstractIterMeta>>||__iter__()]
+
+[InverterBase|addr;remote:StreamPtr;local:StreamPtr|create_remote();;close()]
+[InverterBase]^[InverterG3]
+[InverterBase]++->[local:StreamPtr]
+[InverterBase]++->[remote:StreamPtr]
+[<<AsyncIfc>>||set_node_id();get_conn_no();;tx_add();tx_flush();tx_get();tx_peek();tx_log();tx_clear();tx_len();;fwd_add();fwd_log();rx_get();rx_peek();rx_log();rx_clear();rx_len();rx_set_cb();;prot_set_timeout_cb()]
+[AsyncIfcImpl|fwd_fifo:ByteFifo;tx_fifo:ByteFifo;rx_fifo:ByteFifo;conn_no:Count;node_id;timeout_cb]
+[AsyncStream|reader;writer;addr;r_addr;l_addr|;<async>loop;disc();close();healthy();;__async_read();__async_write();__async_forward()]
+[AsyncStreamServer|create_remote|<async>server_loop();<async>_async_forward();<async>publish_outstanding_mqtt();close()]
+[AsyncStreamClient||<async>client_loop();<async>_async_forward())]
+[<<AsyncIfc>>]^-.-[AsyncIfcImpl]
+[AsyncIfcImpl]^[AsyncStream]
+[AsyncStream]^[AsyncStreamServer]
+[AsyncStream]^[AsyncStreamClient]
+
+
+[Talent|conn_no;addr;;await_conn_resp_cnt;id_str;contact_name;contact_mail;db:InfosG3;mb:Modbus;switch|msg_contact_info();msg_ota_update();msg_get_time();msg_collector_data();msg_inverter_data();msg_unknown();;healthy();close()]
+[Talent]<-++[local:StreamPtr]
+[local:StreamPtr]++->[AsyncStreamServer]
+[Talent]<-0..1[remote:StreamPtr]
+[remote:StreamPtr]0..1->[AsyncStreamClient]
+
+[Infos|stat;new_stat_data;info_dev|static_init();dev_value();inc_counter();dec_counter();ha_proxy_conf;ha_conf;ha_remove;update_db;set_db_def_value;get_db_value;ignore_this_device]
+[Infos]^[InfosG3||ha_confs();parse()]
+
+[Talent]->[InfosG3]
+
+[Message|server_side:bool;mb:Modbus;ifc:AsyncIfc;node_id;header_valid:bool;header_len;data_len;unique_id;sug_area:str;new_data:dict;state:State;shutdown_started:bool;modbus_elms;mb_timer:Timer;mb_timeout;mb_first_timeout;modbus_polling:bool|_set_mqtt_timestamp();_timeout();_send_modbus_cmd();<async> end_modbus_cmd();close();inc_counter();dec_counter()]
+[Message]use->[<<AsyncIfc>>]
+
+[<<ProtocolIfc>>|_registry|close()]
+[<<AbstractIterMeta>>]^-.-[<<ProtocolIfc>>]
+[<<ProtocolIfc>>]^-.-[Message]
+[Message]^[Talent]
+
+[Modbus|que;;snd_handler;rsp_handler;timeout;max_retires;last_xxx;err;retry_cnt;req_pend;tim|build_msg();recv_req();recv_resp();close()]
+[Modbus]<0..1-has[Message]

app/docu/proxy_3.svg

@@ -0,0 +1,382 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: G Pages: 1 -->
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+ viewBox="0.00 0.00 597.00 1940.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 1936)">
+<title>G</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-1936 593,-1936 593,4 -4,4"/>
+<!-- A0 -->
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+<title>A0</title>
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+<polyline fill="none" stroke="#000000" points="287.2332,-1912 287.2332,-1906 "/>
+<polyline fill="none" stroke="#000000" points="293.2332,-1906 287.2332,-1906 "/>
+<text text-anchor="middle" x="233" y="-1899" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">Example of</text>
+<text text-anchor="middle" x="233" y="-1887" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">instantiation for a</text>
+<text text-anchor="middle" x="233" y="-1875" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">GEN3PLUS inverter!</text>
+</g>
+<!-- A1 -->
+<g id="node2" class="node">
+<title>A1</title>
+<polygon fill="none" stroke="#000000" points="311,-1900 311,-1932 427,-1932 427,-1900 311,-1900"/>
+<text text-anchor="start" x="320.649" y="-1913" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;&lt;AbstractIterMeta&gt;&gt;</text>
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+<polygon fill="none" stroke="#000000" points="311,-1848 311,-1880 427,-1880 427,-1848 311,-1848"/>
+<text text-anchor="start" x="347.61" y="-1861" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">__iter__()</text>
+</g>
+<!-- A15 -->
+<g id="node16" class="node">
+<title>A15</title>
+<polygon fill="none" stroke="#000000" points="324,-1688 324,-1720 414,-1720 414,-1688 324,-1688"/>
+<text text-anchor="start" x="333.7065" y="-1701" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;&lt;ProtocolIfc&gt;&gt;</text>
+<polygon fill="none" stroke="#000000" points="324,-1656 324,-1688 414,-1688 414,-1656 324,-1656"/>
+<text text-anchor="start" x="349.8335" y="-1669" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">_registry</text>
+<polygon fill="none" stroke="#000000" points="324,-1624 324,-1656 414,-1656 414,-1624 324,-1624"/>
+<text text-anchor="start" x="354.0025" y="-1637" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+</g>
+<!-- A1&#45;&gt;A15 -->
+<g id="edge15" class="edge">
+<title>A1&#45;&gt;A15</title>
+<path fill="none" stroke="#000000" stroke-dasharray="5,2" d="M369,-1837.756C369,-1802.0883 369,-1755.1755 369,-1720.3644"/>
+<polygon fill="none" stroke="#000000" points="365.5001,-1837.9674 369,-1847.9674 372.5001,-1837.9674 365.5001,-1837.9674"/>
+</g>
+<!-- A2 -->
+<g id="node3" class="node">
+<title>A2</title>
+<polygon fill="none" stroke="#000000" points="128,-632 128,-664 226,-664 226,-632 128,-632"/>
+<text text-anchor="start" x="148.66" y="-645" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">InverterBase</text>
+<polygon fill="none" stroke="#000000" points="128,-576 128,-632 226,-632 226,-576 128,-576"/>
+<text text-anchor="start" x="166.997" y="-613" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">addr</text>
+<text text-anchor="start" x="137.553" y="-601" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">remote:StreamPtr</text>
+<text text-anchor="start" x="142.832" y="-589" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">local:StreamPtr</text>
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+<text text-anchor="start" x="141.442" y="-557" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">create_remote()</text>
+<text text-anchor="start" x="162.0025" y="-533" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+</g>
+<!-- A3 -->
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+<title>A3</title>
+<polygon fill="none" stroke="#000000" points="0,-302 0,-334 116,-334 116,-302 0,-302"/>
+<text text-anchor="start" x="31.05" y="-315" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">InverterG3P</text>
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+<text text-anchor="start" x="9.6585" y="-283" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">forward_at_cmd_resp</text>
+</g>
+<!-- A2&#45;&gt;A3 -->
+<g id="edge1" class="edge">
+<title>A2&#45;&gt;A3</title>
+<path fill="none" stroke="#000000" d="M143.4931,-510.3444C119.4997,-451.8732 88.4875,-376.2972 71.177,-334.1121"/>
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+</g>
+<!-- A2&#45;&gt;A4 -->
+<g id="edge2" class="edge">
+<title>A2&#45;&gt;A4</title>
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+<!-- A5 -->
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+<title>A5</title>
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+</g>
+<!-- A2&#45;&gt;A5 -->
+<g id="edge3" class="edge">
+<title>A2&#45;&gt;A5</title>
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+</g>
+<!-- A9 -->
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+<title>A9</title>
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+<text text-anchor="start" x="227.5515" y="-113" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">AsyncStreamServer</text>
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+<text text-anchor="start" x="239.771" y="-81" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">create_remote</text>
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+<text text-anchor="start" x="223.6575" y="-49" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;server_loop()</text>
+<text text-anchor="start" x="214.4885" y="-37" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;_async_forward()</text>
+<text text-anchor="start" x="192.809" y="-25" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;publish_outstanding_mqtt()</text>
+<text text-anchor="start" x="257.0025" y="-13" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+</g>
+<!-- A4&#45;&gt;A9 -->
+<g id="edge9" class="edge">
+<title>A4&#45;&gt;A9</title>
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+</g>
+<!-- A10 -->
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+<title>A10</title>
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+<text text-anchor="start" x="446.878" y="-43" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;client_loop()</text>
+<text text-anchor="start" x="433.824" y="-31" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;_async_forward())</text>
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+<!-- A5&#45;&gt;A10 -->
+<g id="edge11" class="edge">
+<title>A5&#45;&gt;A10</title>
+<path fill="none" stroke="#000000" d="M308.989,-283.7374C318.9281,-259.1334 338.7724,-214.6635 364,-182 380.8963,-160.1235 402.2571,-139.0239 422.71,-120.9559"/>
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+<text text-anchor="middle" x="308.0806" y="-260.758" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">0..1</text>
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+<!-- A6 -->
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+<title>A6</title>
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+<text text-anchor="start" x="470.929" y="-1067" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;&lt;AsyncIfc&gt;&gt;</text>
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+<text text-anchor="start" x="470.936" y="-1015" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">set_node_id()</text>
+<text text-anchor="start" x="469.266" y="-1003" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">get_conn_no()</text>
+<text text-anchor="start" x="483.1635" y="-979" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_add()</text>
+<text text-anchor="start" x="480.944" y="-967" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_flush()</text>
+<text text-anchor="start" x="484.5535" y="-955" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_get()</text>
+<text text-anchor="start" x="480.6635" y="-943" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_peek()</text>
+<text text-anchor="start" x="484.8335" y="-931" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_log()</text>
+<text text-anchor="start" x="480.669" y="-919" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_clear()</text>
+<text text-anchor="start" x="484.8335" y="-907" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">tx_len()</text>
+<text text-anchor="start" x="479.2745" y="-883" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">fwd_add()</text>
+<text text-anchor="start" x="480.9445" y="-871" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">fwd_log()</text>
+<text text-anchor="start" x="484.2785" y="-859" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_get()</text>
+<text text-anchor="start" x="480.3885" y="-847" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_peek()</text>
+<text text-anchor="start" x="484.5585" y="-835" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_log()</text>
+<text text-anchor="start" x="480.394" y="-823" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_clear()</text>
+<text text-anchor="start" x="484.5585" y="-811" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_len()</text>
+<text text-anchor="start" x="476.499" y="-799" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_set_cb()</text>
+<text text-anchor="start" x="452.8795" y="-775" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">prot_set_timeout_cb()</text>
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+<!-- A7 -->
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+<title>A7</title>
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+<text text-anchor="start" x="507.162" y="-579" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rx_fifo:ByteFifo</text>
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+<text text-anchor="start" x="516.0495" y="-543" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">timeout_cb</text>
+</g>
+<!-- A6&#45;&gt;A7 -->
+<g id="edge4" class="edge">
+<title>A6&#45;&gt;A7</title>
+<path fill="none" stroke="#000000" stroke-dasharray="5,2" d="M521.2574,-751.5524C525.3561,-716.6607 529.4102,-682.1494 532.6937,-654.1971"/>
+<polygon fill="none" stroke="#000000" points="517.7337,-751.5502 520.043,-761.8903 524.6859,-752.367 517.7337,-751.5502"/>
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+<!-- A8 -->
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+<title>A8</title>
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+<text text-anchor="start" x="523.553" y="-371" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">reader</text>
+<text text-anchor="start" x="525.783" y="-359" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">writer</text>
+<text text-anchor="start" x="527.997" y="-347" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">addr</text>
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+<text text-anchor="start" x="509.654" y="-279" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt;loop</text>
+<text text-anchor="start" x="525.782" y="-267" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">disc()</text>
+<text text-anchor="start" x="523.0025" y="-255" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+<text text-anchor="start" x="518.554" y="-243" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">healthy()</text>
+<text text-anchor="start" x="503.2705" y="-219" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">__async_read()</text>
+<text text-anchor="start" x="502.721" y="-207" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">__async_write()</text>
+<text text-anchor="start" x="496.607" y="-195" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">__async_forward()</text>
+</g>
+<!-- A7&#45;&gt;A8 -->
+<g id="edge5" class="edge">
+<title>A7&#45;&gt;A8</title>
+<path fill="none" stroke="#000000" d="M539.5006,-519.5861C539.2971,-490.0737 539.0562,-455.1552 538.8278,-422.0295"/>
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+<!-- A8&#45;&gt;A9 -->
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+<title>A8&#45;&gt;A9</title>
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+<!-- A8&#45;&gt;A10 -->
+<g id="edge7" class="edge">
+<title>A8&#45;&gt;A10</title>
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+<polygon fill="none" stroke="#000000" points="509.7933,-172.7584 515.1045,-181.9259 516.6695,-171.4473 509.7933,-172.7584"/>
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+<!-- A11 -->
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+<title>A11</title>
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+<text text-anchor="start" x="271.495" y="-681" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">SolarmanV5</text>
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+<text text-anchor="start" x="253.994" y="-625" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">inverter:InverterG3P</text>
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+<text text-anchor="start" x="263.4405" y="-533" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">msg_unknown()</text>
+<text text-anchor="start" x="279.554" y="-509" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">healthy()</text>
+<text text-anchor="start" x="284.0025" y="-497" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
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+<!-- A11&#45;&gt;A4 -->
+<g id="edge8" class="edge">
+<title>A11&#45;&gt;A4</title>
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+<title>A11&#45;&gt;A5</title>
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+<!-- A13 -->
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+<text text-anchor="start" x="397.884" y="-285" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">ha_confs()</text>
+<text text-anchor="start" x="405.668" y="-273" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">parse()</text>
+<text text-anchor="start" x="409.282" y="-261" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">calc()</text>
+<text text-anchor="start" x="407.6135" y="-249" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">build()</text>
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+<!-- A11&#45;&gt;A13 -->
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+<title>A11&#45;&gt;A13</title>
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+<!-- A12 -->
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+<!-- A12&#45;&gt;A13 -->
+<g id="edge12" class="edge">
+<title>A12&#45;&gt;A13</title>
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+<!-- A14 -->
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+<text text-anchor="start" x="393.384" y="-1433" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">mb:Modbus</text>
+<text text-anchor="start" x="394.2185" y="-1421" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">ifc:AsyncIfc</text>
+<text text-anchor="start" x="401.7135" y="-1409" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">node_id</text>
+<text text-anchor="start" x="380.043" y="-1397" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">header_valid:bool</text>
+<text text-anchor="start" x="394.49" y="-1385" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">header_len</text>
+<text text-anchor="start" x="400.324" y="-1373" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">data_len</text>
+<text text-anchor="start" x="397.8245" y="-1361" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">unique_id</text>
+<text text-anchor="start" x="391.715" y="-1349" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">sug_area:str</text>
+<text text-anchor="start" x="388.656" y="-1337" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">new_data:dict</text>
+<text text-anchor="start" x="395.6" y="-1325" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">state:State</text>
+<text text-anchor="start" x="369.2045" y="-1313" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">shutdown_started:bool</text>
+<text text-anchor="start" x="388.3845" y="-1301" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">modbus_elms</text>
+<text text-anchor="start" x="384.507" y="-1289" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">mb_timer:Timer</text>
+<text text-anchor="start" x="393.385" y="-1277" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">mb_timeout</text>
+<text text-anchor="start" x="382.5525" y="-1265" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">mb_first_timeout</text>
+<text text-anchor="start" x="373.654" y="-1253" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">modbus_polling:bool</text>
+<polygon fill="none" stroke="#000000" points="345,-1136 345,-1240 494,-1240 494,-1136 345,-1136"/>
+<text text-anchor="start" x="368.3845" y="-1221" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">_set_mqtt_timestamp()</text>
+<text text-anchor="start" x="397" y="-1209" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">_timeout()</text>
+<text text-anchor="start" x="369.7675" y="-1197" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">_send_modbus_cmd()</text>
+<text text-anchor="start" x="354.7595" y="-1185" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;async&gt; end_modbus_cmd()</text>
+<text text-anchor="start" x="404.5025" y="-1173" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+<text text-anchor="start" x="390.3305" y="-1161" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">inc_counter()</text>
+<text text-anchor="start" x="388.6605" y="-1149" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">dec_counter()</text>
+</g>
+<!-- A14&#45;&gt;A6 -->
+<g id="edge14" class="edge">
+<title>A14&#45;&gt;A6</title>
+<path fill="none" stroke="#000000" d="M456.7,-1135.7758C459.4656,-1122.5547 462.2514,-1109.2373 465.0066,-1096.0662"/>
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+<text text-anchor="middle" x="452.138" y="-1113.3031" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">use</text>
+</g>
+<!-- A14&#45;&gt;A11 -->
+<g id="edge17" class="edge">
+<title>A14&#45;&gt;A11</title>
+<path fill="none" stroke="#000000" d="M387.4309,-1125.5329C364.9447,-989.8666 335.5291,-812.3923 316.9437,-700.2604"/>
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+<!-- A15&#45;&gt;A14 -->
+<g id="edge16" class="edge">
+<title>A15&#45;&gt;A14</title>
+<path fill="none" stroke="#000000" stroke-dasharray="5,2" d="M377.1741,-1613.8004C381.7377,-1581.3079 387.6971,-1538.8764 393.681,-1496.2713"/>
+<polygon fill="none" stroke="#000000" points="373.6682,-1613.5986 375.7432,-1623.9883 380.6001,-1614.5723 373.6682,-1613.5986"/>
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+<!-- A16 -->
+<g id="node17" class="node">
+<title>A16</title>
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+<text text-anchor="start" x="444.105" y="-1711" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">rsp_handler</text>
+<text text-anchor="start" x="454.1085" y="-1699" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">timeout</text>
+<text text-anchor="start" x="444.3895" y="-1687" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">max_retires</text>
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+<text text-anchor="start" x="444.39" y="-1595" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">build_msg()</text>
+<text text-anchor="start" x="447.724" y="-1583" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">recv_req()</text>
+<text text-anchor="start" x="445.224" y="-1571" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">recv_resp()</text>
+<text text-anchor="start" x="455.5025" y="-1559" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">close()</text>
+</g>
+<!-- A16&#45;&gt;A14 -->
+<g id="edge18" class="edge">
+<title>A16&#45;&gt;A14</title>
+<path fill="none" stroke="#000000" d="M450.5227,-1536.041C448.6468,-1522.9463 446.7248,-1509.5297 444.8004,-1496.0971"/>
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+<text text-anchor="middle" x="455.7379" y="-1509.8414" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">has</text>
+<text text-anchor="middle" x="441.0101" y="-1526.2424" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">0..1</text>
+</g>
+</g>
+</svg>

app/docu/proxy_3.yuml

@@ -0,0 +1,43 @@
+// {type:class}
+// {direction:topDown}
+// {generate:true}
+
+[note: Example of instantiation for a GEN3PLUS inverter!{bg:cornsilk}]
+[<<AbstractIterMeta>>||__iter__()]
+
+[InverterBase|addr;remote:StreamPtr;local:StreamPtr|create_remote();;close()]
+[InverterBase]^[InverterG3P|forward_at_cmd_resp;]
+[InverterBase]++->[local:StreamPtr]
+[InverterBase]++->[remote:StreamPtr]
+
+[<<AsyncIfc>>||set_node_id();get_conn_no();;tx_add();tx_flush();tx_get();tx_peek();tx_log();tx_clear();tx_len();;fwd_add();fwd_log();rx_get();rx_peek();rx_log();rx_clear();rx_len();rx_set_cb();;prot_set_timeout_cb()]
+[AsyncIfcImpl|fwd_fifo:ByteFifo;tx_fifo:ByteFifo;rx_fifo:ByteFifo;conn_no:Count;node_id;timeout_cb]
+[AsyncStream|reader;writer;addr;r_addr;l_addr|;<async>loop;disc();close();healthy();;__async_read();__async_write();__async_forward()]
+[AsyncStreamServer|create_remote|<async>server_loop();<async>_async_forward();<async>publish_outstanding_mqtt();close()]
+[AsyncStreamClient||<async>client_loop();<async>_async_forward())]
+[<<AsyncIfc>>]^-.-[AsyncIfcImpl]
+[AsyncIfcImpl]^[AsyncStream]
+[AsyncStream]^[AsyncStreamServer]
+[AsyncStream]^[AsyncStreamClient]
+
+[SolarmanV5|conn_no;addr;inverter:InverterG3P;control;serial;snr;db:InfosG3P;switch|msg_unknown();;healthy();close()]
+[SolarmanV5]<-++[local:StreamPtr]
+[local:StreamPtr]++->[AsyncStreamServer]
+[SolarmanV5]<-0..1[remote:StreamPtr]
+[remote:StreamPtr]0..1->[AsyncStreamClient]
+
+[Infos|stat;new_stat_data;info_dev|static_init();dev_value();inc_counter();dec_counter();ha_proxy_conf;ha_conf;ha_remove;update_db;set_db_def_value;get_db_value;ignore_this_device]
+[Infos]^[InfosG3P|client_mode:bool|ha_confs();parse();calc();build()]
+
+[SolarmanV5]->[InfosG3P]
+
+[Message|server_side:bool;mb:Modbus;ifc:AsyncIfc;node_id;header_valid:bool;header_len;data_len;unique_id;sug_area:str;new_data:dict;state:State;shutdown_started:bool;modbus_elms;mb_timer:Timer;mb_timeout;mb_first_timeout;modbus_polling:bool|_set_mqtt_timestamp();_timeout();_send_modbus_cmd();<async> end_modbus_cmd();close();inc_counter();dec_counter()]
+[Message]use->[<<AsyncIfc>>]
+
+[<<ProtocolIfc>>|_registry|close()]
+[<<AbstractIterMeta>>]^-.-[<<ProtocolIfc>>]
+[<<ProtocolIfc>>]^-.-[Message]
+[Message]^[SolarmanV5]
+
+[Modbus|que;;snd_handler;rsp_handler;timeout;max_retires;last_xxx;err;retry_cnt;req_pend;tim|build_msg();recv_req();recv_resp();close()]
+[Modbus]<0..1-has[Message]

app/entrypoint.sh

@@ -2,9 +2,12 @@
 set -e
 
 user="$(id -u)"
+export VERSION=$(cat /proxy-version.txt)
+
 echo "######################################################"
 echo "# prepare: '$SERVICE_NAME' Version:$VERSION"
 echo "# for running with UserID:$UID, GroupID:$GID"
+echo "# Image built: $(cat /build-date.txt) "
 echo "#"
 
 if [ "$user" = '0' ]; then
@@ -20,7 +23,7 @@ if [ "$user" = '0' ]; then
     echo "######################################################"
     echo "#"
 
-    exec su-exec $SERVICE_NAME "$@"
+    exec su-exec $SERVICE_NAME "$@" -tr './translations/'
 else
     exec "$@"
 fi

app/hardening_final.sh

@@ -17,6 +17,5 @@ if [ "$environment" = "production" ] ; then \
   -name od -o \
   -name strings -o \
   -name su -o \
-  -name wget -o \
   \) -delete  \
 ; fi

app/proxy.svg

@@ -1,384 +0,0 @@
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-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
- "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.40.1 (20161225.0304)
- -->
-<!-- Title: G Pages: 1 -->
-<svg width="691pt" height="1312pt"
- viewBox="0.00 0.00 691.35 1312.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 1308)">
-<title>G</title>
-<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-1308 687.348,-1308 687.348,4 -4,4"/>
-<!-- A0 -->
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-<polyline fill="none" stroke="#000000" points="114.5444,-1202 108.5444,-1202 "/>
-<text text-anchor="middle" x="57.348" y="-1193" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">You can stick notes</text>
-<text text-anchor="middle" x="57.348" y="-1181" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">on diagrams too!</text>
-</g>
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-<text text-anchor="middle" x="622.348" y="-885" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">Singleton</text>
-</g>
-<!-- A2 -->
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-<title>A2</title>
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-<text text-anchor="start" x="612.625" y="-621" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">Mqtt</text>
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-<text text-anchor="start" x="579.8355" y="-589" font-family="Helvetica,sans-Serif" font-size="10.00" fill="#000000">&lt;static&gt;ha_restarts</text>
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-</g>
-<!-- A1&#45;&gt;A2 -->
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-<title>A1&#45;&gt;A2</title>
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app/proxy.yuml

@@ -1,28 +0,0 @@
-// {type:class}
-// {direction:topDown}
-// {generate:true}
-
-[note: You can stick notes on diagrams too!{bg:cornsilk}]
-[Singleton]^[Mqtt|<static>ha_restarts;<static>__client;<static>__cb_MqttIsUp|<async>publish();<async>close()]
-[Modbus|que;;snd_handler;rsp_handler;timeout:max_retires;last_xxx;err;retry_cnt;req_pend;tim|build_msg();recv_req();recv_resp()]
-[IterRegistry||__iter__]^[Message|server_side:bool;header_valid:bool;header_len:unsigned;data_len:unsigned;unique_id;node_id;sug_area;_recv_buffer:bytearray;_send_buffer:bytearray;_forward_buffer:bytearray;db:Infos;new_data:list;state|_read():void<abstract>;close():void;inc_counter():void;dec_counter():void]
-[Message]^[Talent|await_conn_resp_cnt;id_str;contact_name;contact_mail;db:InfosG3;mb:Modbus;switch|msg_contact_info();msg_ota_update();msg_get_time();msg_collector_data();msg_inverter_data();msg_unknown();;close()]
-[Message]^[SolarmanV5|control;serial;snr;db:InfosG3P;mb:Modbus;switch|msg_unknown();;close()]
-[Talent]^[ConnectionG3|remoteStream:ConnectionG3|close()]
-[Talent]has-1>[Modbus]
-[SolarmanV5]^[ConnectionG3P|remoteStream:ConnectionG3P|close()]
-[SolarmanV5]has-1>[Modbus]
-[AsyncStream|reader;writer;addr;r_addr;l_addr|<async>server_loop();<async>client_loop();<async>loop;disc();close();;__async_read();async_write();__async_forward()]^[ConnectionG3]
-[AsyncStream]^[ConnectionG3P]
-[Inverter|cls.db_stat;cls.entity_prfx;cls.discovery_prfx;cls.proxy_node_id;cls.proxy_unique_id;cls.mqtt:Mqtt|]^[InverterG3|__ha_restarts|async_create_remote();;close()]
-[Inverter]^[InverterG3P|__ha_restarts|async_create_remote();;close()]
-[Mqtt]-[Inverter]
-[ConnectionG3]^[InverterG3]
-[ConnectionG3]has-0..1>[ConnectionG3]
-[ConnectionG3P]^[InverterG3P]
-[ConnectionG3P]has-0..1>[ConnectionG3P]
-[Infos|stat;new_stat_data;info_dev|static_init();dev_value();inc_counter();dec_counter();ha_proxy_conf;ha_conf;update_db;set_db_def_value;get_db_value;ignore_this_device]^[InfosG3||ha_confs();parse()]
-[Infos]^[InfosG3P||ha_confs();parse()]
-[InfosG3P]->[SolarmanV5]
-[InfosG3]->[Talent]
-

app/requirements-test.txt

@@ -0,0 +1,8 @@
+    flake8==7.2.0
+    pytest==8.3.5
+    pytest-asyncio==0.26.0
+    pytest-cov==6.1.1
+    python-dotenv==1.1.0
+    mock==5.2.0
+    coverage==7.8.0
+    jinja2-cli==0.8.2

app/requirements.txt

@@ -1,3 +1,5 @@
-    aiomqtt==2.0.1
-    schema==0.7.5
-    aiocron==1.8
+    aiomqtt==2.4.0
+    schema==0.7.7
+    aiocron==2.1
+    quart==0.20
+    quart-babel==1.0.7

app/src/.babel.cfg

@@ -0,0 +1,3 @@
+[python: **.py]
+[jinja2: web/templates/**.html]
+[jinja2: web/templates/**.html.j2]

app/src/async_ifc.py

@@ -0,0 +1,104 @@
+from abc import ABC, abstractmethod
+
+
+class AsyncIfc(ABC):
+    @abstractmethod
+    def get_conn_no(self):
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def set_node_id(self, value: str):
+        pass  # pragma: no cover
+
+    #
+    #  TX - QUEUE
+    #
+    @abstractmethod
+    def tx_add(self, data: bytearray):
+        ''' add data to transmit queue'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def tx_flush(self):
+        ''' send transmit queue and clears it'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def tx_peek(self, size: int = None) -> bytearray:
+        '''returns size numbers of byte without removing them'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def tx_log(self, level, info):
+        ''' log the transmit queue'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def tx_clear(self):
+        ''' clear transmit queue'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def tx_len(self):
+        ''' get numner of bytes in the transmit queue'''
+        pass  # pragma: no cover
+
+    #
+    #  FORWARD - QUEUE
+    #
+    @abstractmethod
+    def fwd_add(self, data: bytearray):
+        ''' add data to forward queue'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def fwd_log(self, level, info):
+        ''' log the forward queue'''
+        pass  # pragma: no cover
+
+    #
+    #  RX - QUEUE
+    #
+    @abstractmethod
+    def rx_get(self, size: int = None) -> bytearray:
+        '''removes size numbers of bytes and return them'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def rx_peek(self, size: int = None) -> bytearray:
+        '''returns size numbers of byte without removing them'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def rx_log(self, level, info):
+        ''' logs the receive queue'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def rx_clear(self):
+        ''' clear receive queue'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def rx_len(self):
+        ''' get numner of bytes in the receive queue'''
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def rx_set_cb(self, callback):
+        pass  # pragma: no cover
+
+    #
+    #  Protocol Callbacks
+    #
+    @abstractmethod
+    def prot_set_timeout_cb(self, callback):
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def prot_set_init_new_client_conn_cb(self, callback):
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def prot_set_update_header_cb(self, callback):
+        pass  # pragma: no cover

app/src/async_stream.py

@@ -1,141 +1,409 @@
+import asyncio
 import logging
 import traceback
-from messages import hex_dump_memory
+import time
+from asyncio import StreamReader, StreamWriter
+from typing import Self
+from itertools import count
 
+from proxy import Proxy
+from byte_fifo import ByteFifo
+from async_ifc import AsyncIfc
+from infos import Infos
+
+
+import gc
 logger = logging.getLogger('conn')
 
 
-class AsyncStream():
+class AsyncIfcImpl(AsyncIfc):
+    _ids = count(0)
+
+    def __init__(self) -> None:
+        logger.debug('AsyncIfcImpl.__init__')
+        self.fwd_fifo = ByteFifo()
+        self.tx_fifo = ByteFifo()
+        self.rx_fifo = ByteFifo()
+        self.conn_no = next(self._ids)
+        self.node_id = ''
+        self.timeout_cb = None
+        self.init_new_client_conn_cb = None
+        self.update_header_cb = None
+
+    def close(self):
+        self.timeout_cb = None
+        self.fwd_fifo.reg_trigger(None)
+        self.tx_fifo.reg_trigger(None)
+        self.rx_fifo.reg_trigger(None)
+
+    def set_node_id(self, value: str):
+        self.node_id = value
+
+    def get_conn_no(self):
+        return self.conn_no
+
+    def tx_add(self, data: bytearray):
+        ''' add data to transmit queue'''
+        self.tx_fifo += data
+
+    def tx_flush(self):
+        ''' send transmit queue and clears it'''
+        self.tx_fifo()
+
+    def tx_peek(self, size: int = None) -> bytearray:
+        '''returns size numbers of byte without removing them'''
+        return self.tx_fifo.peek(size)
+
+    def tx_log(self, level, info):
+        ''' log the transmit queue'''
+        self.tx_fifo.logging(level, info)
+
+    def tx_clear(self):
+        ''' clear transmit queue'''
+        self.tx_fifo.clear()
+
+    def tx_len(self):
+        ''' get numner of bytes in the transmit queue'''
+        return len(self.tx_fifo)
+
+    def fwd_add(self, data: bytearray):
+        ''' add data to forward queue'''
+        self.fwd_fifo += data
+
+    def fwd_log(self, level, info):
+        ''' log the forward queue'''
+        self.fwd_fifo.logging(level, info)
+
+    def rx_get(self, size: int = None) -> bytearray:
+        '''removes size numbers of bytes and return them'''
+        return self.rx_fifo.get(size)
+
+    def rx_peek(self, size: int = None) -> bytearray:
+        '''returns size numbers of byte without removing them'''
+        return self.rx_fifo.peek(size)
+
+    def rx_log(self, level, info):
+        ''' logs the receive queue'''
+        self.rx_fifo.logging(level, info)
+
+    def rx_clear(self):
+        ''' clear receive queue'''
+        self.rx_fifo.clear()
+
+    def rx_len(self):
+        ''' get numner of bytes in the receive queue'''
+        return len(self.rx_fifo)
+
+    def rx_set_cb(self, callback):
+        self.rx_fifo.reg_trigger(callback)
+
+    def prot_set_timeout_cb(self, callback):
+        self.timeout_cb = callback
+
+    def prot_set_init_new_client_conn_cb(self, callback):
+        self.init_new_client_conn_cb = callback
+
+    def prot_set_update_header_cb(self, callback):
+        self.update_header_cb = callback
+
+
+class StreamPtr():
+    '''Descr StreamPtr'''
+    def __init__(self, _stream, _ifc=None):
+        self.stream = _stream
+        self.ifc = _ifc
+
+    @property
+    def ifc(self):
+        return self._ifc
+
+    @ifc.setter
+    def ifc(self, value):
+        self._ifc = value
+
+    @property
+    def stream(self):
+        return self._stream
+
+    @stream.setter
+    def stream(self, value):
+        self._stream = value
+
+
+class AsyncStream(AsyncIfcImpl):
+    MAX_PROC_TIME = 2
+    '''maximum processing time for a received msg in sec'''
+    MAX_START_TIME = 400
+    '''maximum time without a received msg in sec'''
+    MAX_INV_IDLE_TIME = 120
+    '''maximum time without a received msg from the inverter in sec'''
+    MAX_DEF_IDLE_TIME = 360
+    '''maximum default time without a received msg in sec'''
+
+    def __init__(self, reader: StreamReader, writer: StreamWriter,
+                 rstream: "StreamPtr") -> None:
+        AsyncIfcImpl.__init__(self)
 
-    def __init__(self, reader, writer, addr) -> None:
         logger.debug('AsyncStream.__init__')
-        self.reader = reader
-        self.writer = writer
-        self.addr = addr
-        self.r_addr = ''
-        self.l_addr = ''
 
-    async def server_loop(self, addr):
-        '''Loop for receiving messages from the inverter (server-side)'''
-        logging.info(f'[{self.node_id}] Accept connection from {addr}')
-        self.inc_counter('Inverter_Cnt')
-        await self.loop()
-        self.dec_counter('Inverter_Cnt')
-        logging.info(f'[{self.node_id}] Server loop stopped for'
-                     f' r{self.r_addr}')
+        self.remote = rstream
+        self.tx_fifo.reg_trigger(self.__write_cb)
+        self._reader = reader
+        self._writer = writer
+        self.r_addr = writer.get_extra_info('peername')
+        self.l_addr = writer.get_extra_info('sockname')
+        self.proc_start = None  # start processing start timestamp
+        self.proc_max = 0
+        self.async_publ_mqtt = None  # will be set AsyncStreamServer only
 
-        # if the server connection closes, we also have to disconnect
-        # the connection to te TSUN cloud
-        if self.remoteStream:
-            logging.debug("disconnect client connection")
-            await self.remoteStream.disc()
-        try:
-            await self._async_publ_mqtt_proxy_stat('proxy')
-        except Exception:
-            pass
+    def __write_cb(self):
+        self._writer.write(self.tx_fifo.get())
 
-    async def client_loop(self, addr):
-        '''Loop for receiving messages from the TSUN cloud (client-side)'''
-        clientStream = await self.remoteStream.loop()
-        logging.info(f'[{self.node_id}] Client loop stopped for'
-                     f' l{clientStream.l_addr}')
-
-        # if the client connection closes, we don't touch the server
-        # connection. Instead we erase the client connection stream,
-        # thus on the next received packet from the inverter, we can
-        # establish a new connection to the TSUN cloud
-
-        # erase backlink to inverter
-        clientStream.remoteStream = None
-
-        if self.remoteStream == clientStream:
-            # logging.debug(f'Client l{clientStream.l_addr} refs:'
-            #               f' {gc.get_referrers(clientStream)}')
-            # than erase client connection
-            self.remoteStream = None
-
-    async def loop(self):
-        self.r_addr = self.writer.get_extra_info('peername')
-        self.l_addr = self.writer.get_extra_info('sockname')
+    def __timeout(self) -> int:
+        if self.timeout_cb:
+            return self.timeout_cb()
+        return 360
 
+    async def loop(self) -> Self:
+        """Async loop handler for precessing all received messages"""
+        self.proc_start = time.time()
         while True:
             try:
-                await self.__async_read()
+                self.__calc_proc_time()
+                dead_conn_to = self.__timeout()
+                await asyncio.wait_for(self.__async_read(),
+                                       dead_conn_to)
 
-                if self.unique_id:
-                    await self.async_write()
-                    await self.__async_forward()
+                await self.__async_write()
+                await self.__async_forward()
+                if self.async_publ_mqtt:
                     await self.async_publ_mqtt()
 
+            except asyncio.TimeoutError:
+                logger.warning(f'[{self.node_id}:{self.conn_no}] Dead '
+                               f'connection timeout ({dead_conn_to}s) '
+                               f'for {self.l_addr}')
+                await self.disc()
+                return self
+
             except OSError as error:
-                logger.error(f'[{self.node_id}] {error} for l{self.l_addr} | '
+                logger.error(f'[{self.node_id}:{self.conn_no}] '
+                             f'{error} for l{self.l_addr} | '
                              f'r{self.r_addr}')
                 await self.disc()
-                self.close()
                 return self
 
             except RuntimeError as error:
-                logger.info(f"[{self.node_id}] {error} for {self.l_addr}")
+                logger.info(f'[{self.node_id}:{self.conn_no}] '
+                            f'{error} for {self.l_addr}')
                 await self.disc()
-                self.close()
                 return self
 
             except Exception:
-                self.inc_counter('SW_Exception')
+                Infos.inc_counter('SW_Exception')
                 logger.error(
-                    f"Exception for {self.addr}:\n"
+                    f"Exception for {self.r_addr}:\n"
                     f"{traceback.format_exc()}")
+            await asyncio.sleep(0)  # be cooperative to other task
+
+    def __calc_proc_time(self):
+        if self.proc_start:
+            proc = time.time() - self.proc_start
+            if proc > self.proc_max:
+                self.proc_max = proc
+            self.proc_start = None
 
     async def disc(self) -> None:
-        if self.writer.is_closing():
+        """Async disc handler for graceful disconnect"""
+        if self._writer.is_closing():
             return
         logger.debug(f'AsyncStream.disc() l{self.l_addr} | r{self.r_addr}')
-        self.writer.close()
-        await self.writer.wait_closed()
+        self._writer.close()
+        await self._writer.wait_closed()
 
-    def close(self):
-        if self.writer.is_closing():
+    def close(self) -> None:
+        logging.debug(f'AsyncStream.close() l{self.l_addr} | r{self.r_addr}')
+        """close handler for a no waiting disconnect
+
+           hint: must be called before releasing the connection instance
+        """
+        super().close()
+        self._reader.feed_eof()          # abort awaited read
+        if self._writer.is_closing():
             return
-        logger.debug(f'AsyncStream.close() l{self.l_addr} | r{self.r_addr}')
-        self.writer.close()
+        self._writer.close()
+
+    def healthy(self) -> bool:
+        elapsed = 0
+        if self.proc_start is not None:
+            elapsed = time.time() - self.proc_start
+        if elapsed > self.MAX_PROC_TIME:
+            logging.debug(f'[{self.node_id}:{self.conn_no}:'
+                          f'{type(self).__name__}]'
+                          f' act:{round(1000*elapsed)}ms'
+                          f' max:{round(1000*self.proc_max)}ms')
+            logging.debug(f'Healthy()) refs: {gc.get_referrers(self)}')
+        return elapsed < 5
 
     '''
     Our private methods
     '''
     async def __async_read(self) -> None:
-        data = await self.reader.read(4096)
+        """Async read handler to read received data from TCP stream"""
+        data = await self._reader.read(4096)
         if data:
-            self._recv_buffer += data
-            self.read()                # call read in parent class
+            self.proc_start = time.time()
+            self.rx_fifo += data
+            wait = self.rx_fifo()                # call read in parent class
+            if wait and wait > 0:
+                await asyncio.sleep(wait)
         else:
             raise RuntimeError("Peer closed.")
 
-    async def async_write(self, headline='Transmit to ') -> None:
-        if self._send_buffer:
-            hex_dump_memory(logging.INFO, f'{headline}{self.addr}:',
-                            self._send_buffer, len(self._send_buffer))
-            self.writer.write(self._send_buffer)
-            await self.writer.drain()
-            self._send_buffer = bytearray(0)  # self._send_buffer[sent:]
+    async def __async_write(self, headline: str = 'Transmit to ') -> None:
+        """Async write handler to transmit the send_buffer"""
+        if len(self.tx_fifo) > 0:
+            self.tx_fifo.logging(logging.INFO, f'{headline}{self.r_addr}:')
+            self._writer.write(self.tx_fifo.get())
+            await self._writer.drain()
 
     async def __async_forward(self) -> None:
-        if self._forward_buffer:
-            if not self.remoteStream:
-                await self.async_create_remote()
-                if self.remoteStream:
-                    if self.remoteStream._init_new_client_conn():
-                        await self.remoteStream.async_write()
+        """forward handler transmits data over the remote connection"""
+        if len(self.fwd_fifo) == 0:
+            return
+        try:
+            await self._async_forward()
 
-            if self.remoteStream:
-                self.remoteStream._update_header(self._forward_buffer)
-                hex_dump_memory(logging.INFO,
-                                f'Forward to {self.remoteStream.addr}:',
-                                self._forward_buffer,
-                                len(self._forward_buffer))
-                self.remoteStream.writer.write(self._forward_buffer)
-                await self.remoteStream.writer.drain()
-                self._forward_buffer = bytearray(0)
+        except OSError as error:
+            if self.remote.stream:
+                rmt = self.remote
+                logger.error(f'[{rmt.stream.node_id}:{rmt.stream.conn_no}] '
+                             f'Fwd: {error} for '
+                             f'l{rmt.ifc.l_addr} | r{rmt.ifc.r_addr}')
+                await rmt.ifc.disc()
+                if rmt.ifc.close_cb:
+                    rmt.ifc.close_cb()
 
-    def __del__(self):
-        logger.debug(
-            f"AsyncStream.__del__  l{self.l_addr} | r{self.r_addr}")
+        except RuntimeError as error:
+            if self.remote.stream:
+                rmt = self.remote
+                logger.info(f'[{rmt.stream.node_id}:{rmt.stream.conn_no}] '
+                            f'Fwd: {error} for {rmt.ifc.l_addr}')
+                await rmt.ifc.disc()
+                if rmt.ifc.close_cb:
+                    rmt.ifc.close_cb()
+
+        except Exception:
+            Infos.inc_counter('SW_Exception')
+            logger.error(
+                f"Fwd Exception for {self.r_addr}:\n"
+                f"{traceback.format_exc()}")
+
+    async def publish_outstanding_mqtt(self):
+        '''Publish all outstanding MQTT topics'''
+        try:
+            await self.async_publ_mqtt()
+            await Proxy._async_publ_mqtt_proxy_stat('proxy')
+        except Exception:
+            pass
+
+
+class AsyncStreamServer(AsyncStream):
+    def __init__(self, reader: StreamReader, writer: StreamWriter,
+                 async_publ_mqtt, create_remote,
+                 rstream: "StreamPtr") -> None:
+        AsyncStream.__init__(self, reader, writer, rstream)
+        self.create_remote = create_remote
+        self.async_publ_mqtt = async_publ_mqtt
+
+    def close(self) -> None:
+        logging.debug('AsyncStreamServer.close()')
+        self.create_remote = None
+        self.async_publ_mqtt = None
+        super().close()
+
+    async def server_loop(self) -> None:
+        '''Loop for receiving messages from the inverter (server-side)'''
+        logger.info(f'[{self.node_id}:{self.conn_no}] '
+                    f'Accept connection from {self.r_addr}')
+        Infos.inc_counter('Inverter_Cnt')
+        Infos.inc_counter('ServerMode_Cnt')
+        await self.publish_outstanding_mqtt()
+        await self.loop()
+        Infos.dec_counter('ServerMode_Cnt')
+        Infos.dec_counter('Inverter_Cnt')
+        await self.publish_outstanding_mqtt()
+        logger.info(f'[{self.node_id}:{self.conn_no}] Server loop stopped for'
+                    f' r{self.r_addr}')
+
+        # if the server connection closes, we also have to disconnect
+        # the connection to te TSUN cloud
+        if self.remote and self.remote.stream:
+            logger.info(f'[{self.node_id}:{self.conn_no}] disc client '
+                        f'connection: [{self.remote.ifc.node_id}:'
+                        f'{self.remote.ifc.conn_no}]')
+            await self.remote.ifc.disc()
+
+    async def _async_forward(self) -> None:
+        """forward handler transmits data over the remote connection"""
+        if not self.remote.stream:
+            await self.create_remote()
+            if self.remote.stream and \
+               self.remote.ifc.init_new_client_conn_cb():
+                await self.remote.ifc._AsyncStream__async_write()
+        if self.remote.stream:
+            self.remote.ifc.update_header_cb(self.fwd_fifo.peek())
+            self.fwd_fifo.logging(logging.INFO, 'Forward to '
+                                  f'{self.remote.ifc.r_addr}:')
+            self.remote.ifc._writer.write(self.fwd_fifo.get())
+            await self.remote.ifc._writer.drain()
+
+
+class AsyncStreamClient(AsyncStream):
+    def __init__(self, reader: StreamReader, writer: StreamWriter,
+                 rstream: "StreamPtr", close_cb,
+                 use_emu: bool = False) -> None:
+        AsyncStream.__init__(self, reader, writer, rstream)
+        self.close_cb = close_cb
+        self.emu_mode = use_emu
+
+    async def disc(self) -> None:
+        logging.debug('AsyncStreamClient.disc()')
+        self.remote = None
+        await super().disc()
+
+    def close(self) -> None:
+        logging.debug('AsyncStreamClient.close()')
+        self.close_cb = None
+        super().close()
+
+    async def client_loop(self, _: str) -> None:
+        '''Loop for receiving messages from the TSUN cloud (client-side)'''
+        Infos.inc_counter('Cloud_Conn_Cnt')
+        if self.emu_mode:
+            Infos.inc_counter('EmuMode_Cnt')
+        else:
+            Infos.inc_counter('ProxyMode_Cnt')
+        await self.publish_outstanding_mqtt()
+        await self.loop()
+        if self.emu_mode:
+            Infos.dec_counter('EmuMode_Cnt')
+        else:
+            Infos.dec_counter('ProxyMode_Cnt')
+        Infos.dec_counter('Cloud_Conn_Cnt')
+        await self.publish_outstanding_mqtt()
+        logger.info(f'[{self.node_id}:{self.conn_no}] '
+                    'Client loop stopped for'
+                    f' l{self.l_addr}')
+
+        if self.close_cb:
+            self.close_cb()
+
+    async def _async_forward(self) -> None:
+        """forward handler transmits data over the remote connection"""
+        if self.remote.stream:
+            self.remote.ifc.update_header_cb(self.fwd_fifo.peek())
+            self.fwd_fifo.logging(logging.INFO, 'Forward to '
+                                  f'{self.remote.ifc.r_addr}:')
+            self.remote.ifc._writer.write(self.fwd_fifo.get())
+            await self.remote.ifc._writer.drain()

app/src/byte_fifo.py

@@ -0,0 +1,52 @@
+from messages import hex_dump_str, hex_dump_memory
+
+
+class ByteFifo:
+    """ a byte FIFO buffer with trigger callback """
+    __slots__ = ('__buf', '__trigger_cb')
+
+    def __init__(self):
+        self.__buf = bytearray()
+        self.__trigger_cb = None
+
+    def reg_trigger(self, cb) -> None:
+        self.__trigger_cb = cb
+
+    def __iadd__(self, data):
+        self.__buf.extend(data)
+        return self
+
+    def __call__(self):
+        '''triggers the observer'''
+        if callable(self.__trigger_cb):
+            return self.__trigger_cb()
+        return None
+
+    def get(self, size: int = None) -> bytearray:
+        '''removes size numbers of byte and return them'''
+        if not size:
+            data = self.__buf
+            self.clear()
+        else:
+            data = self.__buf[:size]
+            # The fast delete syntax
+            self.__buf[:size] = b''
+        return data
+
+    def peek(self, size: int = None) -> bytearray:
+        '''returns size numbers of byte without removing them'''
+        if not size:
+            return self.__buf
+        return self.__buf[:size]
+
+    def clear(self):
+        self.__buf = bytearray()
+
+    def __len__(self) -> int:
+        return len(self.__buf)
+
+    def __str__(self) -> str:
+        return hex_dump_str(self.__buf, self.__len__())
+
+    def logging(self, level, info):
+        hex_dump_memory(level, info, self.__buf, self.__len__())

app/src/cnf/config.py

@@ -0,0 +1,254 @@
+'''Config module handles the proxy configuration'''
+
+import shutil
+import logging
+from abc import ABC, abstractmethod
+from schema import Schema, And, Or, Use, Optional
+
+
+class ConfigIfc(ABC):
+    '''Abstract basis class for config readers'''
+    def __init__(self):
+        Config.add(self)
+
+    @abstractmethod
+    def get_config(self) -> dict:    # pragma: no cover
+        '''get the unverified config from the reader'''
+        pass
+
+    @abstractmethod
+    def descr(self) -> str:          # pragma: no cover
+        '''return a descriction of the source, e.g. the file name'''
+        pass
+
+    def _extend_key(self, conf, key, val):
+        '''split a dotted dict key into a hierarchical dict tree '''
+        lst = key.split('.')
+        d = conf
+        for i, idx in enumerate(lst, 1):  # pragma: no branch
+            if i == len(lst):
+                d[idx] = val
+                break
+            if idx not in d:
+                d[idx] = {}
+            d = d[idx]
+
+
+class Config():
+    '''Static class Config build and sanitize the internal config dictenary.
+
+ Using config readers, a partial configuration is added to config.
+ Config readers are a derivation of the abstract ConfigIfc reader.
+ When a config reader is instantiated, theits `get_config` method is
+ called automatically and afterwards the config will be merged.
+    '''
+
+    conf_schema = Schema({
+        'tsun': {
+            'enabled': Use(bool),
+            'host': Use(str),
+            'port': And(Use(int), lambda n: 1024 <= n <= 65535)
+        },
+        'solarman': {
+            'enabled': Use(bool),
+            'host': Use(str),
+            'port': And(Use(int), lambda n: 1024 <= n <= 65535)
+        },
+        'mqtt': {
+            'host': Use(str),
+            'port': And(Use(int), lambda n: 1024 <= n <= 65535),
+            'user': Or(None, And(Use(str),
+                                 Use(lambda s: s if len(s) > 0 else None))),
+            'passwd': Or(None, And(Use(str),
+                                   Use(lambda s: s if len(s) > 0 else None)))
+        },
+        'ha': {
+            'auto_conf_prefix': Use(str),
+            'discovery_prefix': Use(str),
+            'entity_prefix': Use(str),
+            'proxy_node_id': Use(str),
+            'proxy_unique_id': Use(str)
+        },
+        'gen3plus': {
+            'at_acl': {
+                Or('mqtt', 'tsun'): {
+                    'allow': [str],
+                    Optional('block', default=[]): [str]
+                }
+            }
+        },
+        'inverters': {
+            'allow_all': Use(bool),
+            And(Use(str), lambda s: len(s) == 16): {
+                Optional('monitor_sn', default=0): Use(int),
+                Optional('node_id', default=""): And(Use(str),
+                                                     Use(lambda s: s + '/'
+                                                         if len(s) > 0
+                                                         and s[-1] != '/'
+                                                         else s)),
+                Optional('client_mode'): {
+                    'host': Use(str),
+                    Optional('port', default=8899):
+                        And(Use(int), lambda n: 1024 <= n <= 65535),
+                    Optional('forward', default=False): Use(bool),
+                },
+                Optional('modbus_polling', default=True): Use(bool),
+                Optional('modbus_scanning'): {
+                    'start': Use(int),
+                    Optional('step', default=0x400): Use(int),
+                    Optional('bytes', default=0x10): Use(int),
+                },
+                Optional('suggested_area', default=""): Use(str),
+                Optional('sensor_list', default=0): Use(int),
+                Optional('pv1'): {
+                    Optional('type'): Use(str),
+                    Optional('manufacturer'): Use(str),
+                },
+                Optional('pv2'): {
+                    Optional('type'): Use(str),
+                    Optional('manufacturer'): Use(str),
+                },
+                Optional('pv3'): {
+                    Optional('type'): Use(str),
+                    Optional('manufacturer'): Use(str),
+                },
+                Optional('pv4'): {
+                    Optional('type'): Use(str),
+                    Optional('manufacturer'): Use(str),
+                },
+                Optional('pv5'): {
+                    Optional('type'): Use(str),
+                    Optional('manufacturer'): Use(str),
+                },
+                Optional('pv6'): {
+                    Optional('type'): Use(str),
+                    Optional('manufacturer'): Use(str),
+                }
+            }
+        },
+        'batteries': {
+            And(Use(str), lambda s: len(s) == 16): {
+                Optional('monitor_sn', default=0): Use(int),
+                Optional('node_id', default=""): And(Use(str),
+                                                     Use(lambda s: s + '/'
+                                                         if len(s) > 0
+                                                         and s[-1] != '/'
+                                                         else s)),
+                Optional('client_mode'): {
+                    'host': Use(str),
+                    Optional('port', default=8899):
+                        And(Use(int), lambda n: 1024 <= n <= 65535),
+                    Optional('forward', default=False): Use(bool),
+                },
+                Optional('modbus_polling', default=True): Use(bool),
+                Optional('modbus_scanning'): {
+                    'start': Use(int),
+                    Optional('step', default=0x400): Use(int),
+                    Optional('bytes', default=0x10): Use(int),
+                },
+                Optional('suggested_area', default=""): Use(str),
+                Optional('sensor_list', default=0): Use(int),
+                Optional('pv1'): {
+                    Optional('type'): Use(str),
+                    Optional('manufacturer'): Use(str),
+                },
+                Optional('pv2'): {
+                    Optional('type'): Use(str),
+                    Optional('manufacturer'): Use(str),
+                }
+            }
+        }
+    }, ignore_extra_keys=True
+    )
+
+    @classmethod
+    def init(cls, def_reader: ConfigIfc, log_path: str = '') -> None | str:
+        '''Initialise the Proxy-Config
+
+Copy the internal default config file into the config directory
+and initialise the Config with the default configuration '''
+        cls.err = None
+        cls.log_path = log_path
+        cls.def_config = {}
+        try:
+            # make the default config transparaent by copying it
+            # in the config.example file
+            logging.debug('Copy Default Config to config.example.toml')
+
+            shutil.copy2("default_config.toml",
+                         "config/config.example.toml")
+        except Exception:
+            pass
+
+        # read example config file as default configuration
+        try:
+            def_config = def_reader.get_config()
+            cls.def_config = cls.conf_schema.validate(def_config)
+            logging.info(f'Read from {def_reader.descr()} => ok')
+        except Exception as error:
+            cls.err = f'Config.read: {error}'
+            logging.error(
+                f"Can't read from {def_reader.descr()} => error\n  {error}")
+
+        cls.act_config = cls.def_config.copy()
+
+    @classmethod
+    def add(cls, reader: ConfigIfc):
+        '''Merge the config from the Config Reader into the config
+
+Checks if a default config exists. If no default configuration exists,
+the Config.init  method has not yet been called.This is normal for the very
+first Config Reader which creates the default config and must be ignored
+here. The default config reader is handled in the Config.init method'''
+        if hasattr(cls, 'def_config'):
+            cls.__parse(reader)
+
+    @classmethod
+    def get_error(cls) -> None | str:
+        '''return the last error as a string or None if there is no error'''
+        return cls.err
+
+    @classmethod
+    def __parse(cls, reader) -> None | str:
+        '''Read config from the reader, merge it with the default config
+        and sanitize the result'''
+        res = 'ok'
+        try:
+            rd_config = reader.get_config()
+            config = cls.act_config.copy()
+            for key in ['tsun', 'solarman', 'mqtt', 'ha', 'inverters',
+                        'gen3plus', 'batteries']:
+                if key in rd_config:
+                    config[key] = config[key] | rd_config[key]
+
+            cls.act_config = cls.conf_schema.validate(config)
+        except FileNotFoundError:
+            res = 'n/a'
+        except Exception as error:
+            cls.err = f'error: {error}'
+            logging.error(
+                f"Can't read from {reader.descr()} => error\n  {error}")
+            return cls.err
+
+        logging.info(f'Read from {reader.descr()} => {res}')
+        return cls.err
+
+    @classmethod
+    def get(cls, member: str = None):
+        '''Get a named attribute from the proxy config. If member ==
+          None it returns the complete config dict'''
+
+        if member:
+            return cls.act_config.get(member, {})
+        else:
+            return cls.act_config
+
+    @classmethod
+    def is_default(cls, member: str) -> bool:
+        '''Check if the member is the default value'''
+
+        return cls.act_config.get(member) == cls.def_config.get(member)
+
+    @classmethod
+    def get_log_path(cls) -> str:
+        return cls.log_path

app/src/cnf/config_read_env.py

@@ -0,0 +1,25 @@
+'''Config Reader module which handles config values from the environment'''
+
+import os
+from cnf.config import ConfigIfc
+
+
+class ConfigReadEnv(ConfigIfc):
+    '''Reader for environment values of the configuration'''
+
+    def get_config(self) -> dict:
+        conf = {}
+        data = [
+            ('mqtt.host', 'MQTT_HOST'),
+            ('mqtt.port', 'MQTT_PORT'),
+            ('mqtt.user', 'MQTT_USER'),
+            ('mqtt.passwd', 'MQTT_PASSWORD'),
+        ]
+        for key, env_var in data:
+            val = os.getenv(env_var)
+            if val:
+                self._extend_key(conf, key, val)
+        return conf
+
+    def descr(self):
+        return "environment"

app/src/cnf/config_read_json.py

@@ -0,0 +1,47 @@
+'''Config Reader module which handles *.json config files'''
+
+import json
+from cnf.config import ConfigIfc
+
+
+class ConfigReadJson(ConfigIfc):
+    '''Reader for json config files'''
+    def __init__(self, cnf_file='/data/options.json'):
+        '''Read a json file and add the settings to the config'''
+        if not isinstance(cnf_file, str):
+            return
+        self.cnf_file = cnf_file
+        super().__init__()
+
+    def convert_inv(self, conf, inv):
+        if 'serial' in inv:
+            snr = inv['serial']
+            del inv['serial']
+            conf[snr] = {}
+
+            for key, val in inv.items():
+                self._extend_key(conf[snr], key, val)
+
+    def convert_inv_arr(self, conf, key, val: list):
+        if key not in conf:
+            conf[key] = {}
+        for elm in val:
+            self.convert_inv(conf[key], elm)
+
+    def convert_to_obj(self, data):
+        conf = {}
+        for key, val in data.items():
+            if (key == 'inverters' or key == 'batteries') and \
+               isinstance(val, list):
+                self.convert_inv_arr(conf, key, val)
+            else:
+                self._extend_key(conf, key, val)
+        return conf
+
+    def get_config(self) -> dict:
+        with open(self.cnf_file) as f:
+            data = json.load(f)
+            return self.convert_to_obj(data)
+
+    def descr(self):
+        return self.cnf_file

app/src/cnf/config_read_toml.py

@@ -0,0 +1,21 @@
+'''Config Reader module which handles *.toml config files'''
+
+import tomllib
+from cnf.config import ConfigIfc
+
+
+class ConfigReadToml(ConfigIfc):
+    '''Reader for toml config files'''
+    def __init__(self, cnf_file):
+        '''Read a toml file and add the settings to the config'''
+        if not isinstance(cnf_file, str):
+            return
+        self.cnf_file = cnf_file
+        super().__init__()
+
+    def get_config(self) -> dict:
+        with open(self.cnf_file, "rb") as f:
+            return tomllib.load(f)
+
+    def descr(self):
+        return self.cnf_file

app/src/cnf/default_config.toml

@@ -0,0 +1,204 @@
+##########################################################################################
+###
+###          T S U N  -  G E N 3  -   P R O X Y
+### 
+###                from   Stefan Allius
+###
+##########################################################################################
+###
+###   The readme will give you an overview of the project:
+###   https://s-allius.github.io/tsun-gen3-proxy/
+###
+###   The proxy supports different operation modes. Select the proper mode 
+###   which depends on your inverter type and you inverter firmware. 
+###   Please read: 
+###   https://github.com/s-allius/tsun-gen3-proxy/wiki/Operation-Modes-Overview
+###
+###   Here you will find a description of all configuration options:
+###   https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml
+###
+###   The configration uses the TOML format, which aims to be easy to read due to 
+###   obvious semantics. You find more details here: https://toml.io/en/v1.0.0
+###
+##########################################################################################
+
+
+##########################################################################################
+##
+## MQTT broker configuration
+##
+## In this block, you must configure the connection to your MQTT broker and specify the
+## required credentials. As the proxy does not currently support an encrypted connection
+## to the MQTT broker, it is strongly recommended that you do not use a public broker.
+##
+## https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml#mqtt-broker-account
+##
+
+mqtt.host    = 'mqtt'   # URL or IP address of the mqtt broker
+mqtt.port    = 1883
+mqtt.user    = ''
+mqtt.passwd  = ''
+
+
+##########################################################################################
+##
+## HOME ASSISTANT
+##
+## The proxy supports the MQTT autoconfiguration of Home Assistant (HA). The default 
+## values match the HA default configuration. If you need to change these or want to use
+## a different MQTT client, you can adjust the prefixes of the MQTT topics below.
+##
+## https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml#home-assistant
+##
+
+ha.auto_conf_prefix = 'homeassistant'       # MQTT prefix for subscribing for homeassistant status updates
+ha.discovery_prefix = 'homeassistant'       # MQTT prefix for discovery topic 
+ha.entity_prefix    = 'tsun'                # MQTT topic prefix for publishing inverter values
+ha.proxy_node_id    = 'proxy'               # MQTT node id, for the proxy_node_id
+ha.proxy_unique_id  = 'P170000000000001'    # MQTT unique id, to identify a proxy instance
+
+
+##########################################################################################
+##
+## GEN3 Proxy Mode Configuration
+##
+## In this block, you can configure an optional connection to the TSUN cloud for GEN3
+## inverters. This connection is only required if you want send data to the TSUN cloud
+## to use the TSUN APPs or receive firmware updates.  
+##
+## https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml#tsun-cloud-for-gen3-inverter-only
+##
+
+tsun.enabled = true   # false: disables connecting to the tsun cloud, and avoids updates
+tsun.host    = 'logger.talent-monitoring.com'
+tsun.port    = 5005
+
+
+##########################################################################################
+##
+## GEN3PLUS Proxy Mode Configuration
+##
+## In this block, you can configure an optional connection to the TSUN cloud for GEN3PLUS
+## inverters. This connection is only required if you want send data to the TSUN cloud
+## to use the TSUN APPs or receive firmware updates.  
+##
+## https://github.com/s-allius/tsun-gen3-proxy/wiki/Configuration-toml#solarman-cloud-for-gen3plus-inverter-only
+##
+
+solarman.enabled = true   # false: disables connecting to the tsun cloud, and avoids updates
+solarman.host    = 'iot.talent-monitoring.com'
+solarman.port    = 10000
+
+
+##########################################################################################
+###
+### Inverter Definitions
+###
+### The proxy supports the simultaneous operation of several inverters, even of different
+### types. A configuration block must be defined for each inverter, in which all necessary
+### parameters must be specified. These depend on the operation mode used and also differ
+### slightly depending on the inverter type.
+###
+### In addition, the PV modules can be defined at the individual inputs for documentation
+### purposes, whereby these are displayed in Home Assistant.
+###
+### The proxy only accepts connections from known inverters. This can be switched off for
+### test purposes and unknown serial numbers are also accepted. 
+###
+
+inverters.allow_all = false   # only allow known inverters
+
+
+##########################################################################################
+##
+## For each GEN3 inverter, the serial number of the inverter must be mapped to an MQTT
+## definition. To do this, the corresponding configuration block is started with
+## `[inverters.“<16-digit serial number>”]` so that all subsequent parameters are assigned
+## to this inverter. Further inverter-specific parameters (e.g. polling mode) can be set
+## in the configuration block
+##
+## The serial numbers of all GEN3 inverters start with `R17`!
+##
+
+[inverters."R170000000000001"]
+node_id = ''                 # MQTT replacement for inverters serial number  
+suggested_area = ''          # suggested installation area for home-assistant
+modbus_polling = false       # Disable optional MODBUS polling
+pv1 = {type = 'RSM40-8-395M', manufacturer = 'Risen'}   # Optional, PV module descr
+pv2 = {type = 'RSM40-8-395M', manufacturer = 'Risen'}   # Optional, PV module descr
+
+
+##########################################################################################
+##
+## For each GEN3PLUS inverter, the serial number of the inverter must be mapped to an MQTT
+## definition. To do this, the corresponding configuration block is started with
+## `[inverters.“<16-digit serial number>”]` so that all subsequent parameters are assigned
+## to this inverter. Further inverter-specific parameters (e.g. polling mode, client mode)
+## can be set in the configuration block
+## 
+## The serial numbers of all GEN3PLUS inverters start with `Y17` or Y47! Each GEN3PLUS
+## inverter is supplied with a “Monitoring SN:”. This can be found on a sticker enclosed
+## with the inverter.
+##
+
+[inverters."Y170000000000001"]
+monitor_sn = 2000000000      # The GEN3PLUS "Monitoring SN:"
+node_id = ''                 # MQTT replacement for inverters serial number  
+suggested_area = ''          # suggested installation place for home-assistant
+modbus_polling = true        # Enable optional MODBUS polling
+
+# if your inverter supports SSL connections you must use the client_mode. Pls, uncomment
+# the next line and configure the fixed IP of your inverter
+#client_mode = {host = '192.168.0.1', port = 8899, forward = true}  
+
+pv1 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
+pv2 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
+pv3 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
+pv4 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
+
+
+##########################################################################################
+##
+## For each GEN3PLUS energy storage system, the serial number  must be mapped to an MQTT
+## definition. To do this, the corresponding configuration block is started with
+## `[batteries.“<16-digit serial number>”]` so that all subsequent parameters are assigned
+## to this energy storage system. Further device-specific parameters (e.g. polling mode,
+## client mode) can be set in the configuration block
+## 
+## The serial numbers of all GEN3PLUS energy storage systems/batteries start with `410`!
+## Each GEN3PLUS device is supplied with a “Monitoring SN:”. This can be found on a 
+## sticker enclosed with the inverter.
+##
+
+[batteries."4100000000000001"]
+monitor_sn = 3000000000      # The GEN3PLUS "Monitoring SN:"
+node_id = ''                 # MQTT replacement for devices serial number  
+suggested_area = ''          # suggested installation place for home-assistant
+modbus_polling = true        # Enable optional MODBUS polling
+
+# if your inverter supports SSL connections you must use the client_mode. Pls, uncomment
+# the next line and configure the fixed IP of your inverter
+#client_mode = {host = '192.168.0.1', port = 8899, forward = true}  
+
+pv1 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
+pv2 = {type = 'RSM40-8-410M', manufacturer = 'Risen'}   # Optional, PV module descr
+
+
+##########################################################################################
+###
+### If the proxy mode is configured, commands from TSUN can be sent to the inverter via
+### this connection or parameters (e.g. network credentials) can be queried. Filters can
+### then be configured for the AT+ commands from the TSUN Cloud so that only certain
+### accesses are permitted.
+###
+### An overview of all known AT+ commands can be found here:
+### https://github.com/s-allius/tsun-gen3-proxy/wiki/AT--commands
+###
+
+[gen3plus.at_acl]
+# filter for received commands from the internet
+tsun.allow = ['AT+Z', 'AT+UPURL', 'AT+SUPDATE']
+tsun.block = []
+# filter for received commands from the MQTT broker
+mqtt.allow = ['AT+']
+mqtt.block = []

app/src/config.py

@@ -1,170 +0,0 @@
-'''Config module handles the proxy configuration in the config.toml file'''
-
-import shutil
-import tomllib
-import logging
-from schema import Schema, And, Or, Use, Optional
-
-
-class Config():
-    '''Static class Config is reads and sanitize the config.
-
-    Read config.toml file and sanitize it with read().
-    Get named parts of the config with get()'''
-
-    config = {}
-    def_config = {}
-    conf_schema = Schema({
-        'tsun': {
-            'enabled': Use(bool),
-            'host':    Use(str),
-            'port':    And(Use(int), lambda n: 1024 <= n <= 65535)
-            },
-        'solarman': {
-            'enabled': Use(bool),
-            'host':    Use(str),
-            'port':    And(Use(int), lambda n: 1024 <= n <= 65535)
-            },
-        'mqtt': {
-            'host':    Use(str),
-            'port':    And(Use(int), lambda n: 1024 <= n <= 65535),
-            'user':    And(Use(str), Use(lambda s: s if len(s) > 0 else None)),
-            'passwd':  And(Use(str), Use(lambda s: s if len(s) > 0 else None))
-            },
-        'ha': {
-            'auto_conf_prefix': Use(str),
-            'discovery_prefix': Use(str),
-            'entity_prefix':    Use(str),
-            'proxy_node_id':    Use(str),
-            'proxy_unique_id':  Use(str)
-            },
-        'gen3plus': {
-            'at_acl': {
-                Or('mqtt', 'tsun'): {
-                    'allow': [str],
-                    Optional('block', default=[]): [str]
-                    }
-                }
-            },
-        'inverters': {
-            'allow_all': Use(bool), And(Use(str), lambda s: len(s) == 16): {
-                Optional('monitor_sn', default=0): Use(int),
-                Optional('node_id', default=""): And(Use(str),
-                                                     Use(lambda s: s + '/'
-                                                         if len(s) > 0 and
-                                                         s[-1] != '/' else s)),
-
-                Optional('suggested_area',  default=""): Use(str),
-                Optional('pv1'): {
-                    Optional('type'): Use(str),
-                    Optional('manufacturer'): Use(str),
-                    },
-                Optional('pv2'): {
-                    Optional('type'): Use(str),
-                    Optional('manufacturer'): Use(str),
-                    },
-                Optional('pv3'): {
-                    Optional('type'): Use(str),
-                    Optional('manufacturer'): Use(str),
-                    },
-                Optional('pv4'): {
-                    Optional('type'): Use(str),
-                    Optional('manufacturer'): Use(str),
-                    },
-                Optional('pv5'): {
-                    Optional('type'): Use(str),
-                    Optional('manufacturer'): Use(str),
-                    },
-                Optional('pv6'): {
-                    Optional('type'): Use(str),
-                    Optional('manufacturer'): Use(str),
-                    }
-                }}
-            }, ignore_extra_keys=True
-        )
-
-    @classmethod
-    def class_init(cls):  # pragma: no cover
-        try:
-            # make the default config transparaent by copying it
-            # in the config.example file
-            logging.debug('Copy Default Config to config.example.toml')
-
-            shutil.copy2("default_config.toml",
-                         "config/config.example.toml")
-        except Exception:
-            pass
-        cls.read()
-
-    @classmethod
-    def _read_config_file(cls) -> dict:  # pragma: no cover
-        usr_config = {}
-
-        try:
-            with open("config/config.toml", "rb") as f:
-                usr_config = tomllib.load(f)
-        except Exception as error:
-            err = f'Config.read: {error}'
-            logging.error(err)
-            logging.info(
-                '\n  To create the missing config.toml file, '
-                'you can rename the template config.example.toml\n'
-                '  and customize it for your scenario.\n')
-        return usr_config
-
-    @classmethod
-    def read(cls, path='') -> None | str:
-        '''Read config file, merge it with the default config
-        and sanitize the result'''
-        err = None
-        config = {}
-        logger = logging.getLogger('data')
-
-        try:
-            # read example config file as default configuration
-            cls.def_config = {}
-            with open(f"{path}default_config.toml", "rb") as f:
-                def_config = tomllib.load(f)
-                cls.def_config = cls.conf_schema.validate(def_config)
-
-            # overwrite the default values, with values from
-            # the config.toml file
-            usr_config = cls._read_config_file()
-
-            # merge the default and the user config
-            config = def_config.copy()
-            for key in ['tsun', 'solarman', 'mqtt', 'ha', 'inverters',
-                        'gen3plus']:
-                if key in usr_config:
-                    config[key] |= usr_config[key]
-
-            try:
-                cls.config = cls.conf_schema.validate(config)
-            except Exception as error:
-                err = f'Config.read: {error}'
-                logging.error(err)
-
-            # logging.debug(f'Readed config: "{cls.config}" ')
-
-        except Exception as error:
-            err = f'Config.read: {error}'
-            logger.error(err)
-            cls.config = {}
-
-        return err
-
-    @classmethod
-    def get(cls, member: str = None):
-        '''Get a named attribute from the proxy config. If member ==
-          None it returns the complete config dict'''
-
-        if member:
-            return cls.config.get(member, {})
-        else:
-            return cls.config
-
-    @classmethod
-    def is_default(cls, member: str) -> bool:
-        '''Check if the member is the default value'''
-
-        return cls.config.get(member) == cls.def_config.get(member)

app/src/gen3/connection_g3.py

@@ -1,36 +0,0 @@
-import logging
-# import gc
-from async_stream import AsyncStream
-from gen3.talent import Talent
-
-logger = logging.getLogger('conn')
-
-
-class ConnectionG3(AsyncStream, Talent):
-
-    def __init__(self, reader, writer, addr, remote_stream, server_side: bool,
-                 id_str=b'') -> None:
-        AsyncStream.__init__(self, reader, writer, addr)
-        Talent.__init__(self, server_side, id_str)
-
-        self.remoteStream = remote_stream
-
-    '''
-    Our puplic methods
-    '''
-    def close(self):
-        AsyncStream.close(self)
-        Talent.close(self)
-        # logger.info(f'AsyncStream refs: {gc.get_referrers(self)}')
-
-    async def async_create_remote(self) -> None:
-        pass
-
-    async def async_publ_mqtt(self) -> None:
-        pass
-
-    '''
-    Our private methods
-    '''
-    def __del__(self):
-        super().__del__()

app/src/gen3/infos_g3.py

@@ -2,91 +2,181 @@
 import struct
 import logging
 from typing import Generator
+from itertools import chain
 
-if __name__ == "app.src.gen3.infos_g3":
-    from app.src.infos import Infos, Register
-else:  # pragma: no cover
-    from infos import Infos, Register
+from infos import Infos, Register
 
 
 class RegisterMap:
+    __slots__ = ()
     map = {
-        0x00092ba8: Register.COLLECTOR_FW_VERSION,
-        0x000927c0: Register.CHIP_TYPE,
-        0x00092f90: Register.CHIP_MODEL,
-        0x00095a88: Register.TRACE_URL,
-        0x00095aec: Register.LOGGER_URL,
-        0x0000000a: Register.PRODUCT_NAME,
-        0x00000014: Register.MANUFACTURER,
-        0x0000001e: Register.VERSION,
-        0x00000028: Register.SERIAL_NUMBER,
-        0x00000032: Register.EQUIPMENT_MODEL,
-        0x00013880: Register.NO_INPUTS,
-        0xffffff00: Register.INVERTER_CNT,
-        0xffffff01: Register.UNKNOWN_SNR,
-        0xffffff02: Register.UNKNOWN_MSG,
-        0xffffff03: Register.INVALID_DATA_TYPE,
-        0xffffff04: Register.INTERNAL_ERROR,
-        0xffffff05: Register.UNKNOWN_CTRL,
-        0xffffff06: Register.OTA_START_MSG,
-        0xffffff07: Register.SW_EXCEPTION,
-        0xffffff08: Register.MAX_DESIGNED_POWER,
-        0xfffffffe: Register.TEST_REG1,
-        0xffffffff: Register.TEST_REG2,
-        0x00000640: Register.OUTPUT_POWER,
-        0x000005dc: Register.RATED_POWER,
-        0x00000514: Register.INVERTER_TEMP,
-        0x000006a4: Register.PV1_VOLTAGE,
-        0x00000708: Register.PV1_CURRENT,
-        0x0000076c: Register.PV1_POWER,
-        0x000007d0: Register.PV2_VOLTAGE,
-        0x00000834: Register.PV2_CURRENT,
-        0x00000898: Register.PV2_POWER,
-        0x000008fc: Register.PV3_VOLTAGE,
-        0x00000960: Register.PV3_CURRENT,
-        0x000009c4: Register.PV3_POWER,
-        0x00000a28: Register.PV4_VOLTAGE,
-        0x00000a8c: Register.PV4_CURRENT,
-        0x00000af0: Register.PV4_POWER,
-        0x00000c1c: Register.PV1_DAILY_GENERATION,
-        0x00000c80: Register.PV1_TOTAL_GENERATION,
-        0x00000ce4: Register.PV2_DAILY_GENERATION,
-        0x00000d48: Register.PV2_TOTAL_GENERATION,
-        0x00000dac: Register.PV3_DAILY_GENERATION,
-        0x00000e10: Register.PV3_TOTAL_GENERATION,
-        0x00000e74: Register.PV4_DAILY_GENERATION,
-        0x00000ed8: Register.PV4_TOTAL_GENERATION,
-        0x00000b54: Register.DAILY_GENERATION,
-        0x00000bb8: Register.TOTAL_GENERATION,
-        0x000003e8: Register.GRID_VOLTAGE,
-        0x0000044c: Register.GRID_CURRENT,
-        0x000004b0: Register.GRID_FREQUENCY,
-        0x000cfc38: Register.CONNECT_COUNT,
-        0x000c3500: Register.SIGNAL_STRENGTH,
-        0x000c96a8: Register.POWER_ON_TIME,
-        0x000d0020: Register.COLLECT_INTERVAL,
-        0x000cf850: Register.DATA_UP_INTERVAL,
-        0x000c7f38: Register.COMMUNICATION_TYPE,
-        0x00000191: Register.EVENT_401,
-        0x00000192: Register.EVENT_402,
-        0x00000193: Register.EVENT_403,
-        0x00000194: Register.EVENT_404,
-        0x00000195: Register.EVENT_405,
-        0x00000196: Register.EVENT_406,
-        0x00000197: Register.EVENT_407,
-        0x00000198: Register.EVENT_408,
-        0x00000199: Register.EVENT_409,
-        0x0000019a: Register.EVENT_410,
-        0x0000019b: Register.EVENT_411,
-        0x0000019c: Register.EVENT_412,
-        0x0000019d: Register.EVENT_413,
-        0x0000019e: Register.EVENT_414,
-        0x0000019f: Register.EVENT_415,
-        0x000001a0: Register.EVENT_416,
+        0xffffff00: {'reg': Register.INVERTER_CNT},
+        0xffffff01: {'reg': Register.UNKNOWN_SNR},
+        0xffffff02: {'reg': Register.UNKNOWN_MSG},
+        0xffffff03: {'reg': Register.INVALID_DATA_TYPE},
+        0xffffff04: {'reg': Register.INTERNAL_ERROR},
+        0xffffff05: {'reg': Register.UNKNOWN_CTRL},
+        0xffffff06: {'reg': Register.OTA_START_MSG},
+        0xffffff07: {'reg': Register.SW_EXCEPTION},
+        0xffffff08: {'reg': Register.POLLING_INTERVAL},
+        0xfffffffe: {'reg': Register.TEST_REG1},
+        0xffffffff: {'reg': Register.TEST_REG2},
+    }
+    map_0e100000 = {
+        0x00092ba8: {'reg': Register.COLLECTOR_FW_VERSION},
+        0x000927c0: {'reg': Register.CHIP_TYPE},
+        0x00092f90: {'reg': Register.CHIP_MODEL},
+        0x00094ae8: {'reg': Register.MAC_ADDR},
+        0x00095a88: {'reg': Register.TRACE_URL},
+        0x00095aec: {'reg': Register.LOGGER_URL},
+        0x000cfc38: {'reg': Register.CONNECT_COUNT},
+        0x000c3500: {'reg': Register.SIGNAL_STRENGTH},
+        0x000c96a8: {'reg': Register.POWER_ON_TIME},
+        0x000d0020: {'reg': Register.COLLECT_INTERVAL},
+        0x000cf850: {'reg': Register.DATA_UP_INTERVAL},
+        0x000c7f38: {'reg': Register.COMMUNICATION_TYPE},
+    }
+    map_01900000 = {
+        0x0000000a: {'reg': Register.PRODUCT_NAME},
+        0x00000014: {'reg': Register.MANUFACTURER},
+        0x0000001e: {'reg': Register.VERSION},
+        0x00000046: {'reg': Register.SERIAL_NUMBER},
+        0x0000005A: {'reg': Register.EQUIPMENT_MODEL},
+        0x00000064: {'reg': Register.INVERTER_STATUS},
+        0x00000190: {'reg': Register.EVENT_ALARM},
+        0x000001f4: {'reg': Register.EVENT_FAULT},
+        0x00000258: {'reg': Register.EVENT_BF1},
+        0x000002bc: {'reg': Register.EVENT_BF2},
+        0x00000320: {'reg': Register.TEST_IVAL_1},
+        0x000003e8: {'reg': Register.TEST_VAL_0},
+        0x0000044c: {'reg': Register.TEST_VAL_1},    # DC 1 Inpput Voltage *10
+        0x000004b0: {'reg': Register.TEST_VAL_2},
+        0x00000514: {'reg': Register.GRID_VOLTAGE},  # Grid Voltage
+        0x00000578: {'reg': Register.GRID_CURRENT},  # Grid Current
+        0x000005dc: {'reg': Register.TEST_VAL_3},
+        0x00000640: {'reg': Register.GRID_FREQUENCY},
+        0x000006a4: {'reg': Register.TEST_IVAL_2},
+        0x00000708: {'reg': Register.TEST_IVAL_3},
+        0x0000076c: {'reg': Register.TEST_IVAL_4},
+        0x000007d0: {'reg': Register.TEST_VAL_4},    # DC 2 Input Voltage *10
+        0x00000834: {'reg': Register.MAX_DESIGNED_POWER},
+        0x00000898: {'reg': Register.OUTPUT_POWER},  # Grid Power
+        0x000008fc: {'reg': Register.DAILY_GENERATION},  # Daily Generation
+        0x00000960: {'reg': Register.TOTAL_GENERATION},  # Total Genration
+        0x000009c4: {'reg': Register.TEST_IVAL_5},
+        0x00000a28: {'reg': Register.TEST_VAL_10},   # Isolationsimpedanz Rx
+        0x00000a8c: {'reg': Register.TEST_VAL_11},   # Isolationsimpedanz Ry
+        0x00000af0: {'reg': Register.TEST_IVAL_6},
+        0x000001324: {'reg': Register.PV1_VOLTAGE},  # PV1 Voltage
+        0x000001388: {'reg': Register.PV1_CURRENT},  # PV1 Current
+        0x0000013ec: {'reg': Register.PV1_POWER},    # PV1 Power
+        0x000001450: {'reg': Register.TEST_VAL_5},
+        0x0000015e0: {'reg': Register.PV2_VOLTAGE},  # PV2 Voltage
+        0x000001644: {'reg': Register.PV2_CURRENT},  # PV2 Current
+        0x0000016a8: {'reg': Register.PV2_POWER},    # PV2 Power
+        0x00000170c: {'reg': Register.TEST_VAL_6},
+        0x00000189c: {'reg': Register.PV3_VOLTAGE},
+        0x000001900: {'reg': Register.PV3_CURRENT},
+        0x000001964: {'reg': Register.PV3_POWER},
+        0x0000019c8: {'reg': Register.TEST_VAL_7},
+        0x000001c20: {'reg': Register.TEST_VAL_14},
+        0x000001c84: {'reg': Register.TEST_VAL_15},
+        0x000001ce8: {'reg': Register.TEST_VAL_16},  # DC 1 Voltage
+        0x000001d4c: {'reg': Register.TEST_VAL_17},
+        0x000001db0: {'reg': Register.TEST_VAL_18},
+        0x000001e14: {'reg': Register.TEST_IVAL_8},
+        0x000001e78: {'reg': Register.PV4_VOLTAGE},
+        0x000001edc: {'reg': Register.PV4_CURRENT},
+        0x000001f40: {'reg': Register.PV4_POWER},
+        0x000001fa4: {'reg': Register.TEST_VAL_8},
+        0x0000020c9: {'reg': Register.TEST_IVAL_9},
+        0x0000020db: {'reg': Register.TEST_IVAL_10},
+
+        0x000002134: {'reg': Register.PV5_VOLTAGE},
+        0x000002198: {'reg': Register.PV5_CURRENT},
+        0x0000021fc: {'reg': Register.PV5_POWER},
+        # 0x000002260: {'reg': Register.TEST_VAL_13},
+        0x0000023f0: {'reg': Register.PV6_VOLTAGE},
+        0x000002454: {'reg': Register.PV6_CURRENT},
+        0x0000024b8: {'reg': Register.PV6_POWER},
+        # 0x00000251c: {'reg': Register.TEST_VAL_14},
+        0x000002774: {'reg': Register.TEST_VAL_24},
+        0x0000027d8: {'reg': Register.TEST_VAL_25},
+        0x00000283c: {'reg': Register.TEST_VAL_26},  # DC 2 Voltage
+        0x0000028a0: {'reg': Register.TEST_VAL_27},
+        0x000002904: {'reg': Register.TEST_VAL_28},
+        0x000002968: {'reg': Register.TEST_IVAL_11},
+        0x0000029cc: {'reg': Register.TEST_IVAL_12},
+    }
+    map_01900001 = {
+        0x0000000a: {'reg': Register.PRODUCT_NAME},
+        0x00000014: {'reg': Register.MANUFACTURER},
+        0x0000001e: {'reg': Register.VERSION},
+        0x00000028: {'reg': Register.SERIAL_NUMBER},
+        0x00000032: {'reg': Register.EQUIPMENT_MODEL},
+        0x00013880: {'reg': Register.NO_INPUTS},
+        0x00000640: {'reg': Register.OUTPUT_POWER},
+        0x000005dc: {'reg': Register.RATED_POWER},
+        0x00000514: {'reg': Register.INVERTER_TEMP},
+        0x000006a4: {'reg': Register.PV1_VOLTAGE},
+        0x00000708: {'reg': Register.PV1_CURRENT},
+        0x0000076c: {'reg': Register.PV1_POWER},
+        0x000007d0: {'reg': Register.PV2_VOLTAGE},
+        0x00000834: {'reg': Register.PV2_CURRENT},
+        0x00000898: {'reg': Register.PV2_POWER},
+        0x000008fc: {'reg': Register.PV3_VOLTAGE},
+        0x00000960: {'reg': Register.PV3_CURRENT},
+        0x000009c4: {'reg': Register.PV3_POWER},
+        0x00000a28: {'reg': Register.PV4_VOLTAGE},
+        0x00000a8c: {'reg': Register.PV4_CURRENT},
+        0x00000af0: {'reg': Register.PV4_POWER},
+        0x00000c1c: {'reg': Register.PV1_DAILY_GENERATION},
+        0x00000c80: {'reg': Register.PV1_TOTAL_GENERATION},
+        0x00000ce4: {'reg': Register.PV2_DAILY_GENERATION},
+        0x00000d48: {'reg': Register.PV2_TOTAL_GENERATION},
+        0x00000dac: {'reg': Register.PV3_DAILY_GENERATION},
+        0x00000e10: {'reg': Register.PV3_TOTAL_GENERATION},
+        0x00000e74: {'reg': Register.PV4_DAILY_GENERATION},
+        0x00000ed8: {'reg': Register.PV4_TOTAL_GENERATION},
+        0x00000b54: {'reg': Register.DAILY_GENERATION},
+        0x00000bb8: {'reg': Register.TOTAL_GENERATION},
+        0x000003e8: {'reg': Register.GRID_VOLTAGE},
+        0x0000044c: {'reg': Register.GRID_CURRENT},
+        0x000004b0: {'reg': Register.GRID_FREQUENCY},
+
+        0x00000190: {'reg': Register.EVENT_ALARM},
+        0x000001f4: {'reg': Register.EVENT_FAULT},
+        0x00000258: {'reg': Register.EVENT_BF1},
+        0x000002bc: {'reg': Register.EVENT_BF2},
+        0x00000064: {'reg': Register.INVERTER_STATUS},
+
+        0x00000fa0: {'reg': Register.BOOT_STATUS},
+        0x00001004: {'reg': Register.DSP_STATUS},
+        0x000010cc: {'reg': Register.WORK_MODE},
+        0x000011f8: {'reg': Register.OUTPUT_SHUTDOWN},
+        0x0000125c: {'reg': Register.MAX_DESIGNED_POWER},
+        0x000012c0: {'reg': Register.RATED_LEVEL},
+        0x00001324: {'reg': Register.INPUT_COEFFICIENT, 'ratio':  100/1024},
+        0x00001388: {'reg': Register.GRID_VOLT_CAL_COEF},
+        0x00002710: {'reg': Register.PROD_COMPL_TYPE},
+        0x00003200: {'reg': Register.OUTPUT_COEFFICIENT, 'ratio':  100/1024},
     }
 
 
+class RegisterSel:
+    __sensor_map = {
+            0x0e100000: RegisterMap.map_0e100000,
+            0x01900000: RegisterMap.map_01900000,
+            0x01900001: RegisterMap.map_01900001,
+    }
+
+    @classmethod
+    def get(cls, sensor: int):
+        return cls.__sensor_map.get(sensor, RegisterMap.map)
+
+
 class InfosG3(Infos):
+    __slots__ = ()
 
     def ha_confs(self, ha_prfx: str, node_id: str, snr: str,
                  sug_area: str = '') \
@@ -100,17 +190,27 @@ class InfosG3(Infos):
                          entity strings
         sug_area:str ==> suggested area string from the config file'''
         # iterate over RegisterMap.map and get the register values
-        for reg in RegisterMap.map.values():
+        sensor = self.get_db_value(Register.SENSOR_LIST)
+        if "01900000" == sensor:
+            items = RegisterMap.map_01900000.items()
+        elif "01900001" == sensor:
+            items = RegisterMap.map_01900001.items()
+        else:
+            items = {}
+
+        for _, row in chain(RegisterMap.map_0e100000.items(), items):
+            reg = row['reg']
             res = self.ha_conf(reg, ha_prfx, node_id, snr, False, sug_area)  # noqa: E501
             if res:
                 yield res
 
-    def parse(self, buf, ind=0, node_id: str = '') -> \
+    def parse(self, buf, ind=0, sensor: int = 0, node_id: str = '') -> \
             Generator[tuple[str, bool], None, None]:
         '''parse a data sequence received from the inverter and
         stores the values in Infos.db
 
         buf: buffer of the sequence to parse'''
+        reg_map = RegisterSel.get(sensor)
         result = struct.unpack_from('!l', buf, ind)
         elms = result[0]
         i = 0
@@ -118,10 +218,12 @@ class InfosG3(Infos):
         while i < elms:
             result = struct.unpack_from('!lB', buf, ind)
             addr = result[0]
-            if addr not in RegisterMap.map:
+            if addr not in reg_map:
+                row = None
                 info_id = -1
             else:
-                info_id = RegisterMap.map[addr]
+                row = reg_map[addr]
+                info_id = row['reg']
             data_type = result[1]
             ind += 5
 
@@ -132,11 +234,23 @@ class InfosG3(Infos):
                                                            errors='replace')
                 ind += str_len+1
 
+            elif data_type == 0x00:  # 'Nul' -> end
+                i = elms  # abort the loop
+
+            elif data_type == 0x41:  # 'A' -> Nop ??
+                ind += 0
+                i += 1
+                continue
+
+            elif data_type == 0x42:  # 'B' -> byte, int8
+                result = struct.unpack_from('!B', buf, ind)[0]
+                ind += 1
+
             elif data_type == 0x49:  # 'I' -> int32
                 result = struct.unpack_from('!l', buf, ind)[0]
                 ind += 4
 
-            elif data_type == 0x53:  # 'S' -> short
+            elif data_type == 0x53:  # 'S' -> short, int16
                 result = struct.unpack_from('!h', buf, ind)[0]
                 ind += 2
 
@@ -144,27 +258,38 @@ class InfosG3(Infos):
                 result = round(struct.unpack_from('!f', buf, ind)[0], 2)
                 ind += 4
 
-            elif data_type == 0x4c:  # 'L' -> int64
+            elif data_type == 0x4c:  # 'L' -> long, int64
                 result = struct.unpack_from('!q', buf, ind)[0]
                 ind += 8
 
             else:
                 self.inc_counter('Invalid_Data_Type')
                 logging.error(f"Infos.parse: data_type: {data_type}"
+                              f" @0x{addr:04x} No:{i}"
                               " not supported")
                 return
 
-            keys, level, unit, must_incr = self._key_obj(info_id)
-
-            if keys:
-                name, update = self.update_db(keys, must_incr, result)
-                yield keys[0], update
-            else:
-                update = False
-                name = str(f'info-id.0x{addr:x}')
-
-            if update:
-                self.tracer.log(level, f'[{node_id}] GEN3: {name} :'
-                                       f' {result}{unit}')
+            result = self.__modify_val(row, result)
 
+            yield from self.__store_result(addr, result, info_id, node_id)
             i += 1
+
+    def __modify_val(self, row, result):
+        if row and 'ratio' in row:
+            result = round(result * row['ratio'], 2)
+        return result
+
+    def __store_result(self, addr, result, info_id, node_id):
+        keys, level, unit, must_incr = self._key_obj(info_id)
+        if keys:
+            name, update = self.update_db(keys, must_incr, result)
+            yield keys[0], update
+        else:
+            update = False
+            name = str(f'info-id.0x{addr:x}')
+        if update:
+            self.tracer.log(level, f'[{node_id}] GEN3: {name} :'
+                                   f' {result}{unit}')
+
+            logging.log(level, f'[{node_id}] GEN3: {name} :'
+                               f' {result}{unit}')

app/src/gen3/inverter_g3.py

@@ -1,128 +1,9 @@
-import asyncio
-import logging
-import traceback
-import json
-from config import Config
-from inverter import Inverter
-from gen3.connection_g3 import ConnectionG3
-from aiomqtt import MqttCodeError
-from infos import Infos
+from asyncio import StreamReader, StreamWriter
 
-# import gc
-
-# logger = logging.getLogger('conn')
-logger_mqtt = logging.getLogger('mqtt')
+from inverter_base import InverterBase
+from gen3.talent import Talent
 
 
-class InverterG3(Inverter, ConnectionG3):
-    '''class Inverter is a derivation of an Async_Stream
-
-    The class has some class method for managing common resources like a
-    connection to the MQTT broker or proxy error counter which are common
-    for all inverter connection
-
-    Instances of the class are connections to an inverter and can have an
-    optional link to an remote connection to the TSUN cloud. A remote
-    connection dies with the inverter connection.
-
-    class methods:
-        class_init():  initialize the common resources of the proxy (MQTT
-                       broker, Proxy DB, etc). Must be called before the
-                       first inverter instance can be created
-        class_close(): release the common resources of the proxy. Should not
-                       be called before any instances of the class are
-                       destroyed
-
-    methods:
-        server_loop(addr): Async loop method for receiving messages from the
-                           inverter (server-side)
-        client_loop(addr): Async loop method for receiving messages from the
-                           TSUN cloud (client-side)
-        async_create_remote(): Establish a client connection to the TSUN cloud
-        async_publ_mqtt(): Publish data to MQTT broker
-        close(): Release method which must be called before a instance can be
-                 destroyed
-    '''
-
-    def __init__(self, reader, writer, addr):
-        super().__init__(reader, writer, addr, None, True)
-        self.__ha_restarts = -1
-
-    async def async_create_remote(self) -> None:
-        '''Establish a client connection to the TSUN cloud'''
-        tsun = Config.get('tsun')
-        host = tsun['host']
-        port = tsun['port']
-        addr = (host, port)
-
-        try:
-            logging.info(f'[{self.node_id}] Connected to {addr}')
-            connect = asyncio.open_connection(host, port)
-            reader, writer = await connect
-            self.remoteStream = ConnectionG3(reader, writer, addr, self,
-                                             False, self.id_str)
-            asyncio.create_task(self.client_loop(addr))
-
-        except (ConnectionRefusedError, TimeoutError) as error:
-            logging.info(f'{error}')
-        except Exception:
-            self.inc_counter('SW_Exception')
-            logging.error(
-                f"Inverter: Exception for {addr}:\n"
-                f"{traceback.format_exc()}")
-
-    async def async_publ_mqtt(self) -> None:
-        '''publish data to MQTT broker'''
-        # check if new inverter or collector infos are available or when the
-        #  home assistant has changed the status back to online
-        try:
-            if (('inverter' in self.new_data and self.new_data['inverter'])
-                    or ('collector' in self.new_data and
-                        self.new_data['collector'])
-                    or self.mqtt.ha_restarts != self.__ha_restarts):
-                await self._register_proxy_stat_home_assistant()
-                await self.__register_home_assistant()
-                self.__ha_restarts = self.mqtt.ha_restarts
-
-            for key in self.new_data:
-                await self.__async_publ_mqtt_packet(key)
-            for key in Infos.new_stat_data:
-                await self._async_publ_mqtt_proxy_stat(key)
-
-        except MqttCodeError as error:
-            logging.error(f'Mqtt except: {error}')
-        except Exception:
-            self.inc_counter('SW_Exception')
-            logging.error(
-                f"Inverter: Exception:\n"
-                f"{traceback.format_exc()}")
-
-    async def __async_publ_mqtt_packet(self, key):
-        db = self.db.db
-        if key in db and self.new_data[key]:
-            data_json = json.dumps(db[key])
-            node_id = self.node_id
-            logger_mqtt.debug(f'{key}: {data_json}')
-            await self.mqtt.publish(f'{self.entity_prfx}{node_id}{key}', data_json)  # noqa: E501
-            self.new_data[key] = False
-
-    async def __register_home_assistant(self) -> None:
-        '''register all our topics at home assistant'''
-        for data_json, component, node_id, id in self.db.ha_confs(
-                self.entity_prfx, self.node_id, self.unique_id,
-                self.sug_area):
-            logger_mqtt.debug(f"MQTT Register: cmp:'{component}'"
-                              f" node_id:'{node_id}' {data_json}")
-            await self.mqtt.publish(f"{self.discovery_prfx}{component}"
-                                    f"/{node_id}{id}/config", data_json)
-
-        self.db.reg_clr_at_midnight(f'{self.entity_prfx}{self.node_id}')
-
-    def close(self) -> None:
-        logging.debug(f'InverterG3.close() l{self.l_addr} | r{self.r_addr}')
-        super().close()         # call close handler in the parent class
-#        logger.debug (f'Inverter refs: {gc.get_referrers(self)}')
-
-    def __del__(self):
-        logging.debug("InverterG3.__del__")
-        super().__del__()
+class InverterG3(InverterBase):
+    def __init__(self, reader: StreamReader, writer: StreamWriter):
+        super().__init__(reader, writer, 'tsun', Talent)

app/src/gen3/talent.py

@@ -1,18 +1,15 @@
 import struct
 import logging
-import time
+from zoneinfo import ZoneInfo
 from datetime import datetime
+from tzlocal import get_localzone
 
-if __name__ == "app.src.gen3.talent":
-    from app.src.messages import hex_dump_memory, Message
-    from app.src.modbus import Modbus
-    from app.src.config import Config
-    from app.src.gen3.infos_g3 import InfosG3
-else:  # pragma: no cover
-    from messages import hex_dump_memory, Message
-    from modbus import Modbus
-    from config import Config
-    from gen3.infos_g3 import InfosG3
+from async_ifc import AsyncIfc
+from messages import Message, State
+from modbus import Modbus
+from cnf.config import Config
+from gen3.infos_g3 import InfosG3
+from infos import Register
 
 logger = logging.getLogger('msg')
 
@@ -35,48 +32,62 @@ class Control:
 
 
 class Talent(Message):
-    def __init__(self, server_side: bool, id_str=b''):
-        super().__init__(server_side, self.send_modbus_cb, mb_timeout=11)
+    TXT_UNKNOWN_CTRL = 'Unknown Ctrl'
+
+    def __init__(self, inverter, addr, ifc: "AsyncIfc", server_side: bool,
+                 client_mode: bool = False, id_str=b''):
+        super().__init__('G3', ifc, server_side, self.send_modbus_cb,
+                         mb_timeout=15)
+        _ = inverter
+        ifc.rx_set_cb(self.read)
+        ifc.prot_set_timeout_cb(self._timeout)
+        ifc.prot_set_init_new_client_conn_cb(self._init_new_client_conn)
+        ifc.prot_set_update_header_cb(self._update_header)
+
+        self.addr = addr
+        self.conn_no = ifc.get_conn_no()
         self.await_conn_resp_cnt = 0
         self.id_str = id_str
         self.contact_name = b''
         self.contact_mail = b''
+        self.ts_offset = 0        # time offset between tsun cloud and local
         self.db = InfosG3()
         self.switch = {
             0x00: self.msg_contact_info,
             0x13: self.msg_ota_update,
             0x22: self.msg_get_time,
+            0x99: self.msg_heartbeat,
             0x71: self.msg_collector_data,
             # 0x76:
             0x77: self.msg_modbus,
             # 0x78:
+            0x87: self.msg_modbus2,
             0x04: self.msg_inverter_data,
         }
         self.log_lvl = {
             0x00: logging.INFO,
             0x13: logging.INFO,
             0x22: logging.INFO,
+            0x99: logging.INFO,
             0x71: logging.INFO,
             # 0x76:
             0x77: self.get_modbus_log_lvl,
             # 0x78:
+            0x87: self.get_modbus_log_lvl,
             0x04: logging.INFO,
         }
-        self.modbus_elms = 0    # for unit tests
-        self.node_id = 'G3'     # will be overwritten in __set_serial_no
-        # self.forwarding = Config.get('tsun')['enabled']
+        self.sensor_list = 0
 
     '''
     Our puplic methods
     '''
     def close(self) -> None:
         logging.debug('Talent.close()')
-        # we have refernces to methods of this class in self.switch
+        # we have references to methods of this class in self.switch
         # so we have to erase self.switch, otherwise this instance can't be
         # deallocated by the garbage collector ==> we get a memory leak
         self.switch.clear()
         self.log_lvl.clear()
-        self.state = self.STATE_CLOSED
         super().close()
 
     def __set_serial_no(self, serial_no: str):
@@ -89,10 +100,9 @@ class Talent(Message):
 
             if serial_no in inverters:
                 inv = inverters[serial_no]
-                self.node_id = inv['node_id']
-                self.sug_area = inv['suggested_area']
-                logger.debug(f'SerialNo {serial_no} allowed! area:{self.sug_area}')  # noqa: E501
+                self._set_config_parms(inv, serial_no)
                 self.db.set_pv_module_details(inv)
+                logger.debug(f'SerialNo {serial_no} allowed! area:{self.sug_area}')  # noqa: E501
             else:
                 self.node_id = ''
                 self.sug_area = ''
@@ -104,64 +114,76 @@ class Talent(Message):
                 logger.debug(f'SerialNo {serial_no} not known but accepted!')
 
             self.unique_id = serial_no
+            self.db.set_db_def_value(Register.COLLECTOR_SNR, serial_no)
 
-    def read(self) -> None:
+    def read(self) -> float:
+        '''process all received messages in the _recv_buffer'''
         self._read()
+        while True:
+            if not self.header_valid:
+                self.__parse_header(self.ifc.rx_peek(), self.ifc.rx_len())
 
-        if not self.header_valid:
-            self.__parse_header(self._recv_buffer, len(self._recv_buffer))
+            if self.header_valid and \
+               self.ifc.rx_len() >= (self.header_len + self.data_len):
+                if self.state == State.init:
+                    self.state = State.received     # received 1st package
 
-        if self.header_valid and len(self._recv_buffer) >= (self.header_len +
-                                                            self.data_len):
-            log_lvl = self.log_lvl.get(self.msg_id, logging.WARNING)
-            if callable(log_lvl):
-                log_lvl = log_lvl()
+                log_lvl = self.log_lvl.get(self.msg_id, logging.WARNING)
+                if callable(log_lvl):
+                    log_lvl = log_lvl()
 
-            hex_dump_memory(log_lvl, f'Received from {self.addr}:',
-                            self._recv_buffer, self.header_len+self.data_len)
+                self.ifc.rx_log(log_lvl, f'Received from {self.addr}:'
+                                f' BufLen: {self.ifc.rx_len()}'
+                                f' HdrLen: {self.header_len}'
+                                f' DtaLen: {self.data_len}')
 
-            self.__set_serial_no(self.id_str.decode("utf-8"))
-            self.__dispatch_msg()
-            self.__flush_recv_msg()
-        return
+                self.__set_serial_no(self.id_str.decode("utf-8"))
+                self.__dispatch_msg()
+                self.__flush_recv_msg()
+            else:
+                return 0  # don not wait before sending a response
 
-    def forward(self, buffer, buflen) -> None:
+    def forward(self) -> None:
+        '''add the actual receive msg to the forwarding queue'''
         tsun = Config.get('tsun')
         if tsun['enabled']:
-            self._forward_buffer = buffer[:buflen]
-            hex_dump_memory(logging.DEBUG, 'Store for forwarding:',
-                            buffer, buflen)
+            buflen = self.header_len+self.data_len
+            buffer = self.ifc.rx_peek(buflen)
+            self.ifc.fwd_add(buffer)
+            self.ifc.fwd_log(logging.DEBUG, 'Store for forwarding:')
 
-            self.__parse_header(self._forward_buffer,
-                                len(self._forward_buffer))
             fnc = self.switch.get(self.msg_id, self.msg_unknown)
             logger.info(self.__flow_str(self.server_side, 'forwrd') +
                         f' Ctl: {int(self.ctrl):#02x} Msg: {fnc.__name__!r}')
-        return
 
     def send_modbus_cb(self, modbus_pdu: bytearray, log_lvl: int, state: str):
-        if self.state != self.STATE_UP:
-            logger.warn(f'[{self.node_id}] ignore MODBUS cmd,'
-                        ' cause the state is not UP anymore')
+        if self.state != State.up:
+            logger.warning(f'[{self.node_id}] ignore MODBUS cmd,'
+                           ' cause the state is not UP anymore')
             return
 
         self.__build_header(0x70, 0x77)
-        self._send_buffer += b'\x00\x01\xa3\x28'   # fixme
-        self._send_buffer += struct.pack('!B', len(modbus_pdu))
-        self._send_buffer += modbus_pdu
+        self.ifc.tx_add(b'\x00\x01\xa3\x28')   # magic ?
+        self.ifc.tx_add(struct.pack('!B', len(modbus_pdu)))
+        self.ifc.tx_add(modbus_pdu)
         self.__finish_send_msg()
 
-        hex_dump_memory(log_lvl, f'Send Modbus {state}:{self.addr}:',
-                        self._send_buffer, len(self._send_buffer))
-        self.writer.write(self._send_buffer)
-        self._send_buffer = bytearray(0)  # self._send_buffer[sent:]
+        self.ifc.tx_log(log_lvl, f'Send Modbus {state}:{self.addr}:')
+        self.ifc.tx_flush()
 
-    async def send_modbus_cmd(self, func, addr, val, log_lvl) -> None:
-        if self.state != self.STATE_UP:
-            logger.log(log_lvl, f'[{self.node_id}] ignore MODBUS cmd,'
-                       ' as the state is not UP')
+    def mb_timout_cb(self, exp_cnt):
+        self.mb_timer.start(self.mb_timeout)
+        if self.mb_scan:
+            self._send_modbus_scan()
             return
-        self.mb.build_msg(Modbus.INV_ADDR, func, addr, val, log_lvl)
+
+        if 2 == (exp_cnt % 30):
+            # logging.info("Regular Modbus Status request")
+            self._send_modbus_cmd(Modbus.INV_ADDR, Modbus.READ_REGS, 0x2000,
+                                  96, logging.DEBUG)
+        else:
+            self._send_modbus_cmd(Modbus.INV_ADDR, Modbus.READ_REGS, 0x3000,
+                                  48, logging.DEBUG)
 
     def _init_new_client_conn(self) -> bool:
         contact_name = self.contact_name
@@ -170,9 +192,9 @@ class Talent(Message):
         self.msg_id = 0
         self.await_conn_resp_cnt += 1
         self.__build_header(0x91)
-        self._send_buffer += struct.pack(f'!{len(contact_name)+1}p'
-                                         f'{len(contact_mail)+1}p',
-                                         contact_name, contact_mail)
+        self.ifc.tx_add(struct.pack(f'!{len(contact_name)+1}p'
+                                    f'{len(contact_mail)+1}p',
+                                    contact_name, contact_mail))
 
         self.__finish_send_msg()
         return True
@@ -196,14 +218,44 @@ class Talent(Message):
         return switch.get(type, '???')
 
     def _timestamp(self):   # pragma: no cover
-        if False:
-            # utc as epoche
-            ts = time.time()
-        else:
-            # convert localtime in epoche
-            ts = (datetime.now() - datetime(1970, 1, 1)).total_seconds()
+        '''returns timestamp fo the inverter as localtime
+        since 1.1.1970 in msec'''
+        # convert localtime in epoche
+        ts = (datetime.now() - datetime(1970, 1, 1)).total_seconds()
         return round(ts*1000)
 
+    def _utcfromts(self, ts: float):
+        '''converts inverter timestamp into unix time (epoche)'''
+        dt = datetime.fromtimestamp(ts/1000, tz=ZoneInfo("UTC")). \
+            replace(tzinfo=get_localzone())
+        return dt.timestamp()
+
+    def _utc(self):   # pragma: no cover
+        '''returns unix time (epoche)'''
+        return datetime.now().timestamp()
+
+    def _update_header(self, _forward_buffer):
+        '''update header for message before forwarding,
+        add time offset to timestamp'''
+        _len = len(_forward_buffer)
+        ofs = 0
+        while ofs < _len:
+            result = struct.unpack_from('!lB', _forward_buffer, 0)
+            msg_len = 4 + result[0]
+            id_len = result[1]    # len of variable id string
+            if _len < 2*id_len + 21:
+                return
+
+            result = struct.unpack_from('!B', _forward_buffer, id_len+6)
+            msg_code = result[0]
+            if msg_code == 0x71 or msg_code == 0x04:
+                result = struct.unpack_from('!q', _forward_buffer, 13+2*id_len)
+                ts = result[0] + self.ts_offset
+                logger.debug(f'offset: {self.ts_offset:08x}'
+                             f'  proxy-time: {ts:08x}')
+                struct.pack_into('!q', _forward_buffer, 13+2*id_len, ts)
+            ofs += msg_len
+
     # check if there is a complete header in the buffer, parse it
     # and set
     #   self.header_len
@@ -219,8 +271,15 @@ class Talent(Message):
         if (buf_len < 5):      # enough bytes to read len and id_len?
             return
         result = struct.unpack_from('!lB', buf, 0)
-        len = result[0]    # len of complete message
+        msg_len = result[0]    # len of complete message
         id_len = result[1]    # len of variable id string
+        if id_len > 17:
+            logger.warning(f'len of ID string must == 16 but is {id_len}')
+            self.inc_counter('Invalid_Msg_Format')
+
+            # erase broken recv buffer
+            self.ifc.rx_clear()
+            return
 
         hdr_len = 5+id_len+2
 
@@ -233,37 +292,38 @@ class Talent(Message):
         self.id_str = result[0]
         self.ctrl = Control(result[1])
         self.msg_id = result[2]
-        self.data_len = len-id_len-3
+        self.data_len = msg_len-id_len-3
         self.header_len = hdr_len
         self.header_valid = True
-        return
 
     def __build_header(self, ctrl, msg_id=None) -> None:
         if not msg_id:
             msg_id = self.msg_id
-        self.send_msg_ofs = len(self._send_buffer)
-        self._send_buffer += struct.pack(f'!l{len(self.id_str)+1}pBB',
-                                         0, self.id_str, ctrl, msg_id)
+        self.send_msg_ofs = self.ifc.tx_len()
+        self.ifc.tx_add(struct.pack(f'!l{len(self.id_str)+1}pBB',
+                                    0, self.id_str, ctrl, msg_id))
         fnc = self.switch.get(msg_id, self.msg_unknown)
         logger.info(self.__flow_str(self.server_side, 'tx') +
                     f' Ctl: {int(ctrl):#02x} Msg: {fnc.__name__!r}')
 
     def __finish_send_msg(self) -> None:
-        _len = len(self._send_buffer) - self.send_msg_ofs
-        struct.pack_into('!l', self._send_buffer, self.send_msg_ofs, _len-4)
+        _len = self.ifc.tx_len() - self.send_msg_ofs
+        struct.pack_into('!l', self.ifc.tx_peek(), self.send_msg_ofs,
+                         _len-4)
 
     def __dispatch_msg(self) -> None:
         fnc = self.switch.get(self.msg_id, self.msg_unknown)
         if self.unique_id:
             logger.info(self.__flow_str(self.server_side, 'rx') +
-                        f' Ctl: {int(self.ctrl):#02x} Msg: {fnc.__name__!r}')
+                        f' Ctl: {int(self.ctrl):#02x} ({self.state}) '
+                        f'Msg: {fnc.__name__!r}')
             fnc()
         else:
             logger.info(self.__flow_str(self.server_side, 'drop') +
                         f' Ctl: {int(self.ctrl):#02x} Msg: {fnc.__name__!r}')
 
     def __flush_recv_msg(self) -> None:
-        self._recv_buffer = self._recv_buffer[(self.header_len+self.data_len):]
+        self.ifc.rx_get(self.header_len+self.data_len)
         self.header_valid = False
 
     '''
@@ -273,181 +333,279 @@ class Talent(Message):
         if self.ctrl.is_ind():
             if self.server_side and self.__process_contact_info():
                 self.__build_header(0x91)
-                self._send_buffer += b'\x01'
+                self.ifc.tx_add(b'\x01')
                 self.__finish_send_msg()
             # don't forward this contact info here, we will build one
             # when the remote connection is established
             elif self.await_conn_resp_cnt > 0:
                 self.await_conn_resp_cnt -= 1
             else:
-                self.forward(self._recv_buffer, self.header_len+self.data_len)
-            return
+                self.forward()
         else:
-            logger.warning('Unknown Ctrl')
+            logger.warning(self.TXT_UNKNOWN_CTRL)
             self.inc_counter('Unknown_Ctrl')
-            self.forward(self._recv_buffer, self.header_len+self.data_len)
+            self.forward()
 
     def __process_contact_info(self) -> bool:
-        result = struct.unpack_from('!B', self._recv_buffer, self.header_len)
+        buf = self.ifc.rx_peek()
+        result = struct.unpack_from('!B', buf, self.header_len)
         name_len = result[0]
-        if self.data_len < name_len+2:
+        if self.data_len == 1:  # this is a response withone status byte
             return False
-        result = struct.unpack_from(f'!{name_len+1}pB', self._recv_buffer,
-                                    self.header_len)
-        self.contact_name = result[0]
-        mail_len = result[1]
-        logger.info(f'name: {self.contact_name}')
+        if self.data_len >= name_len+2:
+            result = struct.unpack_from(f'!{name_len+1}pB', buf,
+                                        self.header_len)
+            self.contact_name = result[0]
+            mail_len = result[1]
+            logger.info(f'name: {self.contact_name}')
 
-        result = struct.unpack_from(f'!{mail_len+1}p', self._recv_buffer,
-                                    self.header_len+name_len+1)
-        self.contact_mail = result[0]
+            result = struct.unpack_from(f'!{mail_len+1}p', buf,
+                                        self.header_len+name_len+1)
+            self.contact_mail = result[0]
         logger.info(f'mail: {self.contact_mail}')
         return True
 
     def msg_get_time(self):
-        tsun = Config.get('tsun')
-        if tsun['enabled']:
-            if self.ctrl.is_ind():
-                if self.data_len >= 8:
-                    ts = self._timestamp()
-                    result = struct.unpack_from('!q', self._recv_buffer,
-                                                self.header_len)
-                    logger.debug(f'tsun-time: {result[0]:08x}'
-                                 f'  proxy-time: {ts:08x}')
-            else:
-                logger.warning('Unknown Ctrl')
-                self.inc_counter('Unknown_Ctrl')
-            self.forward(self._recv_buffer, self.header_len+self.data_len)
+        if self.ctrl.is_ind():
+            if self.data_len == 0:
+                if self.state == State.up:
+                    self.state = State.pend     # block MODBUS cmds
+
+                ts = self._timestamp()
+                logger.debug(f'time: {ts:08x}')
+                self.__build_header(0x91)
+                self.ifc.tx_add(struct.pack('!q', ts))
+                self.__finish_send_msg()
+
+            elif self.data_len >= 8:
+                ts = self._timestamp()
+                result = struct.unpack_from('!q', self.ifc.rx_peek(),
+                                            self.header_len)
+                self.ts_offset = result[0]-ts
+                if self.ifc.remote.stream:
+                    self.ifc.remote.stream.ts_offset = self.ts_offset
+                logger.debug(f'tsun-time: {int(result[0]):08x}'
+                             f'  proxy-time: {ts:08x}'
+                             f'  offset: {self.ts_offset}')
+                return  # ignore received response
         else:
-            if self.ctrl.is_ind():
-                if self.data_len == 0:
-                    ts = self._timestamp()
-                    logger.debug(f'time: {ts:08x}')
+            logger.warning(self.TXT_UNKNOWN_CTRL)
+            self.inc_counter('Unknown_Ctrl')
 
-                    self.__build_header(0x91)
-                    self._send_buffer += struct.pack('!q', ts)
-                    self.__finish_send_msg()
+        self.forward()
 
-            else:
-                logger.warning('Unknown Ctrl')
-                self.inc_counter('Unknown_Ctrl')
+    def msg_heartbeat(self):
+        if self.ctrl.is_ind():
+            if self.data_len == 9:
+                self.state = State.up  # allow MODBUS cmds
+                if (self.modbus_polling):
+                    self.mb_timer.start(self.mb_first_timeout)
+                    self.db.set_db_def_value(Register.POLLING_INTERVAL,
+                                             self.mb_timeout)
+                self.__build_header(0x99)
+                self.ifc.tx_add(b'\x02')
+                self.__finish_send_msg()
+
+                result = struct.unpack_from('!Bq', self.ifc.rx_peek(),
+                                            self.header_len)
+                resp_code = result[0]
+                ts = result[1]+self.ts_offset
+                logger.debug(f'inv-time: {int(result[1]):08x}'
+                             f'  tsun-time: {ts:08x}'
+                             f'  offset: {self.ts_offset}')
+                struct.pack_into('!Bq', self.ifc.rx_peek(),
+                                 self.header_len, resp_code, ts)
+        elif self.ctrl.is_resp():
+            result = struct.unpack_from('!B', self.ifc.rx_peek(),
+                                        self.header_len)
+            resp_code = result[0]
+            logging.debug(f'Heartbeat-RespCode: {resp_code}')
+            return
+        else:
+            logger.warning(self.TXT_UNKNOWN_CTRL)
+            self.inc_counter('Unknown_Ctrl')
+
+        self.forward()
 
     def parse_msg_header(self):
-        result = struct.unpack_from('!lB', self._recv_buffer, self.header_len)
+        result = struct.unpack_from('!lB', self.ifc.rx_peek(),
+                                    self.header_len)
 
         data_id = result[0]    # len of complete message
         id_len = result[1]     # len of variable id string
-        logger.debug(f'Data_ID: {data_id}   id_len:  {id_len}')
+        logger.debug(f'Data_ID: 0x{data_id:08x}   id_len:  {id_len}')
 
         msg_hdr_len = 5+id_len+9
 
-        result = struct.unpack_from(f'!{id_len+1}pBq', self._recv_buffer,
+        result = struct.unpack_from(f'!{id_len+1}pBq', self.ifc.rx_peek(),
                                     self.header_len + 4)
 
+        timestamp = result[2]
         logger.debug(f'ID: {result[0]}  B: {result[1]}')
-        logger.debug(f'time: {result[2]:08x}')
+        logger.debug(f'time: {timestamp:08x}')
         # logger.info(f'time: {datetime.utcfromtimestamp(result[2]).strftime(
         # "%Y-%m-%d %H:%M:%S")}')
-        return msg_hdr_len
+        return msg_hdr_len, data_id, timestamp
 
     def msg_collector_data(self):
         if self.ctrl.is_ind():
             self.__build_header(0x99)
-            self._send_buffer += b'\x01'
+            self.ifc.tx_add(b'\x01')
             self.__finish_send_msg()
-            self.__process_data()
-            self.state = self.STATE_UP
+            self.__process_data(False)
 
         elif self.ctrl.is_resp():
             return  # ignore received response
         else:
-            logger.warning('Unknown Ctrl')
+            logger.warning(self.TXT_UNKNOWN_CTRL)
             self.inc_counter('Unknown_Ctrl')
 
-        self.forward(self._recv_buffer, self.header_len+self.data_len)
+        self.forward()
 
     def msg_inverter_data(self):
         if self.ctrl.is_ind():
             self.__build_header(0x99)
-            self._send_buffer += b'\x01'
+            self.ifc.tx_add(b'\x01')
             self.__finish_send_msg()
-            self.__process_data()
-            self.state = self.STATE_UP
+            self.__process_data(True)
+            self.state = State.up  # allow MODBUS cmds
+            if (self.modbus_polling):
+                self.mb_timer.start(self.mb_first_timeout)
+                self.db.set_db_def_value(Register.POLLING_INTERVAL,
+                                         self.mb_timeout)
 
         elif self.ctrl.is_resp():
             return  # ignore received response
         else:
-            logger.warning('Unknown Ctrl')
+            logger.warning(self.TXT_UNKNOWN_CTRL)
             self.inc_counter('Unknown_Ctrl')
 
-        self.forward(self._recv_buffer, self.header_len+self.data_len)
+        self.forward()
 
-    def __process_data(self):
-        msg_hdr_len = self.parse_msg_header()
+    def __build_model_name(self):
+        db = self.db
+        model = db.get_db_value(Register.EQUIPMENT_MODEL, None)
+        if model:
+            return
+        max_pow = db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
+        if max_pow == 3000:
+            model = f'TSOL-MS{max_pow}'
+            self.db.set_db_def_value(Register.EQUIPMENT_MODEL, model)
+            self.db.set_db_def_value(Register.MANUFACTURER, 'TSUN')
+            self.db.set_db_def_value(Register.NO_INPUTS, 4)
 
-        for key, update in self.db.parse(self._recv_buffer, self.header_len
-                                         + msg_hdr_len, self.node_id):
+    def __process_data(self, inv_data: bool):
+        msg_hdr_len, data_id, ts = self.parse_msg_header()
+        if inv_data:
+            # handle register mapping
+            if 0 == self.sensor_list:
+                self.sensor_list = data_id
+                self.db.set_db_def_value(Register.SENSOR_LIST,
+                                         f"{self.sensor_list:08x}")
+                logging.debug(f"Use sensor-list: {self.sensor_list:#08x}"
+                              f" for '{self.unique_id}'")
+            if data_id != self.sensor_list:
+                logging.warning(f'Unexpected Sensor-List:{data_id:08x}'
+                                f' (!={self.sensor_list:08x})')
+            # ignore replays for inverter data
+            age = self._utc() - self._utcfromts(ts)
+            age = age/(3600*24)
+            logger.debug(f"Age: {age} days")
+            if age > 1:   # is a replay?
+                return
+
+        inv_update = False
+
+        for key, update in self.db.parse(self.ifc.rx_peek(), self.header_len
+                                         + msg_hdr_len, data_id, self.node_id):
             if update:
+                if key == 'inverter':
+                    inv_update = True
+                self._set_mqtt_timestamp(key, self._utcfromts(ts))
                 self.new_data[key] = True
 
+        if inv_update:
+            self.__build_model_name()
+
     def msg_ota_update(self):
         if self.ctrl.is_req():
             self.inc_counter('OTA_Start_Msg')
         elif self.ctrl.is_ind():
-            pass
+            pass  # Ok, nothing to do
         else:
-            logger.warning('Unknown Ctrl')
+            logger.warning(self.TXT_UNKNOWN_CTRL)
             self.inc_counter('Unknown_Ctrl')
-        self.forward(self._recv_buffer, self.header_len+self.data_len)
+        self.forward()
 
     def parse_modbus_header(self):
 
         msg_hdr_len = 5
 
-        result = struct.unpack_from('!lBB', self._recv_buffer,
+        result = struct.unpack_from('!lBB', self.ifc.rx_peek(),
                                     self.header_len)
         modbus_len = result[1]
-        # logger.debug(f'Ref: {result[0]}')
-        # logger.debug(f'Modbus MsgLen: {modbus_len} Func:{result[2]}')
+        return msg_hdr_len, modbus_len
+
+    def parse_modbus_header2(self):
+
+        msg_hdr_len = 6
+
+        result = struct.unpack_from('!lBBB', self.ifc.rx_peek(),
+                                    self.header_len)
+        modbus_len = result[2]
         return msg_hdr_len, modbus_len
 
     def get_modbus_log_lvl(self) -> int:
         if self.ctrl.is_req():
             return logging.INFO
-        elif self.ctrl.is_ind():
-            if self.server_side:
-                return self.mb.last_log_lvl
+        elif self.ctrl.is_ind() and self.server_side:
+            return self.mb.last_log_lvl
         return logging.WARNING
 
     def msg_modbus(self):
-        hdr_len, modbus_len = self.parse_modbus_header()
-        data = self._recv_buffer[self.header_len:
-                                 self.header_len+self.data_len]
+        hdr_len, _ = self.parse_modbus_header()
+        self.__msg_modbus(hdr_len)
+
+    def msg_modbus2(self):
+        hdr_len, _ = self.parse_modbus_header2()
+        self.__msg_modbus(hdr_len)
+
+    def __msg_modbus(self, hdr_len):
+        data = self.ifc.rx_peek()[self.header_len:
+                                  self.header_len+self.data_len]
 
         if self.ctrl.is_req():
-            if self.remoteStream.mb.recv_req(data[hdr_len:],
-                                             self.msg_forward):
+            rstream = self.ifc.remote.stream
+            if rstream.mb.recv_req(data[hdr_len:], rstream.msg_forward):
                 self.inc_counter('Modbus_Command')
             else:
                 self.inc_counter('Invalid_Msg_Format')
         elif self.ctrl.is_ind():
-            # logger.debug(f'Modbus Ind  MsgLen: {modbus_len}')
             self.modbus_elms = 0
+            # logger.debug(f'Modbus Ind  MsgLen: {modbus_len}')
+            if not self.server_side:
+                logger.warning('Unknown Message')
+                self.inc_counter('Unknown_Msg')
+                return
+            if (self.mb_scan):
+                modbus_msg_len = self.data_len - hdr_len
+                self._dump_modbus_scan(data, hdr_len, modbus_msg_len)
+
             for key, update, _ in self.mb.recv_resp(self.db, data[
-                    hdr_len:],
-                    self.node_id):
+                    hdr_len:]):
                 if update:
+                    self._set_mqtt_timestamp(key, self._utc())
                     self.new_data[key] = True
                 self.modbus_elms += 1          # count for unit tests
         else:
-            logger.warning('Unknown Ctrl')
+            logger.warning(self.TXT_UNKNOWN_CTRL)
             self.inc_counter('Unknown_Ctrl')
-            self.forward(self._recv_buffer, self.header_len+self.data_len)
+            self.forward()
 
     def msg_forward(self):
-        self.forward(self._recv_buffer, self.header_len+self.data_len)
+        self.forward()
 
     def msg_unknown(self):
         logger.warning(f"Unknow Msg: ID:{self.msg_id}")
         self.inc_counter('Unknown_Msg')
-        self.forward(self._recv_buffer, self.header_len+self.data_len)
+        self.forward()

app/src/gen3plus/connection_g3p.py

@@ -1,36 +0,0 @@
-import logging
-# import gc
-from async_stream import AsyncStream
-from gen3plus.solarman_v5 import SolarmanV5
-
-logger = logging.getLogger('conn')
-
-
-class ConnectionG3P(AsyncStream, SolarmanV5):
-
-    def __init__(self, reader, writer, addr, remote_stream,
-                 server_side: bool) -> None:
-        AsyncStream.__init__(self, reader, writer, addr)
-        SolarmanV5.__init__(self, server_side)
-
-        self.remoteStream = remote_stream
-
-    '''
-    Our puplic methods
-    '''
-    def close(self):
-        AsyncStream.close(self)
-        SolarmanV5.close(self)
-        #  logger.info(f'AsyncStream refs: {gc.get_referrers(self)}')
-
-    async def async_create_remote(self) -> None:
-        pass
-
-    async def async_publ_mqtt(self) -> None:
-        pass
-
-    '''
-    Our private methods
-    '''
-    def __del__(self):
-        super().__del__()

app/src/gen3plus/infos_g3p.py

@@ -1,36 +1,87 @@
 
-import struct
 from typing import Generator
+from itertools import chain
 
-if __name__ == "app.src.gen3plus.infos_g3p":
-    from app.src.infos import Infos, Register
-else:  # pragma: no cover
-    from infos import Infos, Register
+from infos import Infos, Register, ProxyMode, Fmt
+
+
+class RegisterFunc:
+    @staticmethod
+    def prod_sum(info: Infos, arr: dict) -> None | int:
+        result = 0
+        for sum in arr:
+            prod = 1
+            for factor in sum:
+                val = info.get_db_value(factor)
+                if val is None:
+                    return None
+                prod = prod * val
+            result += prod
+        return result
+
+    @staticmethod
+    def cmp_values(info: Infos, params: map) -> None | int:
+        try:
+            val = info.get_db_value(params['reg'])
+            if val < params['cmp_val']:
+                return params['res'][0]
+            if val == params['cmp_val']:
+                return params['res'][1]
+            return params['res'][2]
+        except Exception:
+            pass
+        return None
 
 
 class RegisterMap:
     # make the class read/only by using __slots__
-
     __slots__ = ()
+
+    FMT_2_16BIT_VAL = '!HH'
+    FMT_3_16BIT_VAL = '!HHH'
+    FMT_4_16BIT_VAL = '!HHHH'
+
     map = {
         # 0x41020007: {'reg': Register.DEVICE_SNR,           'fmt': '<L'},                 # noqa: E501
-        0x41020018: {'reg': Register.DATA_UP_INTERVAL,     'fmt': '<B', 'ratio':   60},  # noqa: E501
-        0x41020019: {'reg': Register.COLLECT_INTERVAL,     'fmt': '<B', 'eval': 'round(result/60)'},  # noqa: E501
+        0x41020018: {'reg': Register.DATA_UP_INTERVAL,     'fmt': '<B', 'ratio':    60, 'dep': ProxyMode.SERVER},  # noqa: E501
+        0x41020019: {'reg': Register.COLLECT_INTERVAL,     'fmt': '<B', 'quotient': 60, 'dep': ProxyMode.SERVER},  # noqa: E501
         0x4102001a: {'reg': Register.HEARTBEAT_INTERVAL,   'fmt': '<B', 'ratio':    1},  # noqa: E501
-        0x4102001c: {'reg': Register.SIGNAL_STRENGTH,      'fmt': '<B', 'ratio':    1},  # noqa: E501
+        0x4102001b: {'reg': None,                          'fmt': '<B', 'const':    1},  # noqa: E501 Max No Of Connected Devices
+        0x4102001c: {'reg': Register.SIGNAL_STRENGTH,      'fmt': '<B', 'ratio':    1, 'dep': ProxyMode.SERVER},  # noqa: E501
+        0x4102001d: {'reg': None,                          'fmt': '<B', 'const':    1},  # noqa: E501
         0x4102001e: {'reg': Register.CHIP_MODEL,           'fmt': '!40s'},               # noqa: E501
+        0x41020046: {'reg': Register.MAC_ADDR,             'fmt': '!6B', 'func': Fmt.mac},  # noqa: E501
         0x4102004c: {'reg': Register.IP_ADDRESS,           'fmt': '!16s'},               # noqa: E501
+        0x4102005c: {'reg': None,                          'fmt': '<B', 'const':   15},  # noqa: E501
+        0x4102005e: {'reg': None,                          'fmt': '<B', 'const':    1},  # noqa: E501 No Of Sensors (ListLen)
+        0x4102005f: {'reg': Register.SENSOR_LIST,          'fmt': '<H', 'func': Fmt.hex4},   # noqa: E501
+        0x41020061: {'reg': None,                          'fmt': '<HB', 'const':  (15, 255)},  # noqa: E501
         0x41020064: {'reg': Register.COLLECTOR_FW_VERSION, 'fmt': '!40s'},               # noqa: E501
-
-        0x4201001c: {'reg': Register.POWER_ON_TIME,        'fmt': '<H', 'ratio':    1},  # noqa: E501
+        0x4102008c: {'reg': None,                          'fmt': '<BB', 'const':  (254, 254)},  # noqa: E501
+        0x4102008e: {'reg': None,                          'fmt': '<B'},                 # noqa: E501 Encryption Certificate File Status
+        0x4102008f: {'reg': None,                          'fmt': '!40s'},               # noqa: E501
+        0x410200b7: {'reg': Register.SSID,                 'fmt': '!40s'},               # noqa: E501
+    }
+    map_02b0 = {
+        0x4201000c: {'reg': Register.SENSOR_LIST,          'fmt': '<H', 'func': Fmt.hex4},   # noqa: E501
+        0x4201001c: {'reg': Register.POWER_ON_TIME,        'fmt': '<H', 'ratio':    1, 'dep': ProxyMode.SERVER},  # noqa: E501, or packet number
         0x42010020: {'reg': Register.SERIAL_NUMBER,        'fmt': '!16s'},               # noqa: E501
+
+        # Start MODBUS Block: 0x3000 (R/O Measurements)
         0x420100c0: {'reg': Register.INVERTER_STATUS,      'fmt': '!H'},                 # noqa: E501
-        0x420100d0: {'reg': Register.VERSION,              'fmt': '!H', 'eval': "f'V{(result>>12)}.{(result>>8)&0xf}.{(result>>4)&0xf}{result&0xf}'"},  # noqa: E501
+        0x420100c2: {'reg': Register.DETECT_STATUS_1,      'fmt': '!H'},                 # noqa: E501
+        0x420100c4: {'reg': Register.DETECT_STATUS_2,      'fmt': '!H'},                 # noqa: E501
+        0x420100c6: {'reg': Register.EVENT_ALARM,          'fmt': '!H'},                 # noqa: E501
+        0x420100c8: {'reg': Register.EVENT_FAULT,          'fmt': '!H'},                 # noqa: E501
+        0x420100ca: {'reg': Register.EVENT_BF1,            'fmt': '!H'},                 # noqa: E501
+        0x420100cc: {'reg': Register.EVENT_BF2,            'fmt': '!H'},                 # noqa: E501
+        # 0x420100ce
+        0x420100d0: {'reg': Register.VERSION,              'fmt': '!H', 'func': Fmt.version},  # noqa: E501
         0x420100d2: {'reg': Register.GRID_VOLTAGE,         'fmt': '!H', 'ratio':  0.1},  # noqa: E501
         0x420100d4: {'reg': Register.GRID_CURRENT,         'fmt': '!H', 'ratio': 0.01},  # noqa: E501
         0x420100d6: {'reg': Register.GRID_FREQUENCY,       'fmt': '!H', 'ratio': 0.01},  # noqa: E501
-        0x420100d8: {'reg': Register.INVERTER_TEMP,        'fmt': '!H', 'eval': 'result-40'},  # noqa: E501
-        # 0x420100d8: {'reg': Register.INVERTER_TEMP,        'fmt': '!H'},                 # noqa: E501
+        0x420100d8: {'reg': Register.INVERTER_TEMP,        'fmt': '!H', 'offset': -40},  # noqa: E501
+        # 0x420100da
         0x420100dc: {'reg': Register.RATED_POWER,          'fmt': '!H', 'ratio':    1},  # noqa: E501
         0x420100de: {'reg': Register.OUTPUT_POWER,         'fmt': '!H', 'ratio':  0.1},  # noqa: E501
         0x420100e0: {'reg': Register.PV1_VOLTAGE,          'fmt': '!H', 'ratio':  0.1},  # noqa: E501
@@ -55,20 +106,126 @@ class RegisterMap:
         0x4201010c: {'reg': Register.PV3_TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01},  # noqa: E501
         0x42010110: {'reg': Register.PV4_DAILY_GENERATION, 'fmt': '!H', 'ratio': 0.01},  # noqa: E501
         0x42010112: {'reg': Register.PV4_TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01},  # noqa: E501
-        0x42010126: {'reg': Register.MAX_DESIGNED_POWER,   'fmt': '!H', 'ratio':    1},  # noqa: E501
-        0x42010170: {'reg': Register.NO_INPUTS,            'fmt': '!B'},                 # noqa: E501
+        0x42010116: {'reg': Register.INV_UNKNOWN_1,        'fmt': '!H'},                 # noqa: E501
 
+        # Start MODBUS Block: 0x2000 (R/W Config Paramaneters)
+        0x42010118: {'reg': Register.BOOT_STATUS,          'fmt': '!H'},
+        0x4201011a: {'reg': Register.DSP_STATUS,           'fmt': '!H'},
+        0x4201011c: {'reg': None,                          'fmt': '!H', 'const':    1},  # noqa: E501
+        0x4201011e: {'reg': Register.WORK_MODE,            'fmt': '!H'},
+        0x42010124: {'reg': Register.OUTPUT_SHUTDOWN,      'fmt': '!H'},
+        0x42010126: {'reg': Register.MAX_DESIGNED_POWER,   'fmt': '!H'},
+        0x42010128: {'reg': Register.RATED_LEVEL,          'fmt': '!H'},
+        0x4201012a: {'reg': Register.INPUT_COEFFICIENT,    'fmt': '!H', 'ratio':  100/1024},  # noqa: E501
+        0x4201012c: {'reg': Register.GRID_VOLT_CAL_COEF,   'fmt': '!H'},
+        0x4201012e: {'reg': None,                          'fmt': '!H', 'const':   1024},  # noqa: E501
+        0x42010130: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (1024, 1, 0xffff, 1)},  # noqa: E501
+        0x42010138: {'reg': Register.PROD_COMPL_TYPE,      'fmt': '!H'},
+        0x4201013a: {'reg': None,                          'fmt': FMT_3_16BIT_VAL, 'const': (0x68, 0x68, 0x500)},  # noqa: E501
+        0x42010140: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0x9cd, 0x7b6, 0x139c, 0x1324)},  # noqa: E501
+        0x42010148: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (1, 0x7ae, 0x40f, 0x41)},  # noqa: E501
+        0x42010150: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0xf, 0xa64, 0xa64, 0x6)},  # noqa: E501
+        0x42010158: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0x6, 0x9f6, 0x128c, 0x128c)},  # noqa: E501
+        0x42010160: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0x10, 0x10, 0x1452, 0x1452)},  # noqa: E501
+        0x42010168: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0x10, 0x10, 0x151, 0x5)},  # noqa: E501
+        0x42010170: {'reg': Register.OUTPUT_COEFFICIENT,   'fmt': '!H', 'ratio':  100/1024},  # noqa: E501
+        0x42010172: {'reg': None,                          'fmt': FMT_3_16BIT_VAL, 'const':  (0x1, 0x139c, 0xfa0)},  # noqa: E501
+        0x42010178: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0x4e, 0x66, 0x3e8, 0x400)},  # noqa: E501
+        0x42010180: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0x9ce, 0x7a8, 0x139c, 0x1326)},  # noqa: E501
+        0x42010188: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0x0, 0x0, 0x0, 0)},  # noqa: E501
+        0x42010190: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0x0, 0x0, 1024, 1024)},  # noqa: E501
+        0x42010198: {'reg': None,                          'fmt': FMT_4_16BIT_VAL, 'const': (0, 0, 0xffff, 0)},  # noqa: E501
+        0x420101a0: {'reg': None,                          'fmt': FMT_2_16BIT_VAL, 'const': (0x0, 0x0)},  # noqa: E501
+
+        0xffffff02: {'reg': Register.POLLING_INTERVAL},
         # 0x4281001c: {'reg': Register.POWER_ON_TIME,        'fmt': '<H', 'ratio':    1},  # noqa: E501
-
+    }
+    map_3026 = {
+        0x4201000c: {'reg': Register.SENSOR_LIST,          'fmt': '<H', 'func': Fmt.hex4},   # noqa: E501
+        0x4201001c: {'reg': Register.POWER_ON_TIME,        'fmt': '<H', 'ratio':    1, 'dep': ProxyMode.SERVER},  # noqa: E501, or packet number
+        0x42010020: {'reg': Register.SERIAL_NUMBER,        'fmt': '!16s'},               # noqa: E501
+        0x42010030: {'reg': Register.BATT_PV1_VOLT,        'fmt': '!H', 'ratio': 0.01},  # noqa: E501, DC Voltage PV1
+        0x42010032: {'reg': Register.BATT_PV1_CUR,         'fmt': '!H', 'ratio': 0.01},  # noqa: E501, DC Current PV1
+        0x42010034: {'reg': Register.BATT_PV2_VOLT,        'fmt': '!H', 'ratio': 0.01},  # noqa: E501, DC Voltage PV2
+        0x42010036: {'reg': Register.BATT_PV2_CUR,         'fmt': '!H', 'ratio': 0.01},  # noqa: E501, DC Current PV2
+        0x42010038: {'reg': Register.BATT_TOTAL_CHARG,     'fmt': '!L', 'ratio': 0.01},  # noqa: E501
+        0x4201003c: {'reg': Register.BATT_PV1_STATUS,      'fmt': '!H'},                 # noqa: E501 MPTT-1 Operating Status: 0(Standby), 1(Work)
+        0x4201003e: {'reg': Register.BATT_PV2_STATUS,      'fmt': '!H'},                 # noqa: E501 MPTT-2 Operating Status: 0(Standby), 1(Work)
+        0x42010040: {'reg': Register.BATT_VOLT,            'fmt': '!h', 'ratio': 0.01},  # noqa: E501
+        0x42010042: {'reg': Register.BATT_CUR,             'fmt': '!h', 'ratio': 0.01},  # noqa: E501 => Batterie Status: <0(Discharging), 0(Static), 0>(Loading)
+        0x42010044: {'reg': Register.BATT_SOC,             'fmt': '!H', 'ratio': 0.01},  # noqa: E501, state of charge (SOC) in percent
+        0x42010046: {'reg': Register.BATT_CELL1_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010048: {'reg': Register.BATT_CELL2_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x4201004a: {'reg': Register.BATT_CELL3_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x4201004c: {'reg': Register.BATT_CELL4_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x4201004e: {'reg': Register.BATT_CELL5_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010050: {'reg': Register.BATT_CELL6_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010052: {'reg': Register.BATT_CELL7_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010054: {'reg': Register.BATT_CELL8_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010056: {'reg': Register.BATT_CELL9_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010058: {'reg': Register.BATT_CELL10_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x4201005a: {'reg': Register.BATT_CELL11_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x4201005c: {'reg': Register.BATT_CELL12_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x4201005e: {'reg': Register.BATT_CELL13_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010060: {'reg': Register.BATT_CELL14_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010062: {'reg': Register.BATT_CELL15_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x42010064: {'reg': Register.BATT_CELL16_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501H
+        0x42010066: {'reg': Register.BATT_TEMP_1,          'fmt': '!h'},                 # noqa: E501 Cell Temperture 1
+        0x42010068: {'reg': Register.BATT_TEMP_2,          'fmt': '!h'},                 # noqa: E501 Cell Temperture 2
+        0x4201006a: {'reg': Register.BATT_TEMP_3,          'fmt': '!h'},                 # noqa: E501 Cell Temperture 3
+        0x4201006c: {'reg': Register.BATT_OUT_VOLT,        'fmt': '!H', 'ratio': 0.01},  # noqa: E501 Output Voltage
+        0x4201006e: {'reg': Register.BATT_OUT_CUR,         'fmt': '!H', 'ratio': 0.01},  # noqa: E501 Output Current
+        0x42010070: {'reg': Register.BATT_OUT_STATUS,      'fmt': '!H'},                 # noqa: E501 Output Working Status: 0(Standby), 1(Work)
+        0x42010072: {'reg': Register.BATT_TEMP_4,          'fmt': '!h'},                 # noqa: E50, Environment temp
+        0x42010074: {'reg': Register.BATT_ALARM,           'fmt': '!H'},                 # noqa: E501 Warning Alarmcode 1, Bit 0..15
+        0x42010076: {'reg': Register.BATT_HW_VERS,         'fmt': '!h'},                 # noqa: E501 hardware version
+        0x42010078: {'reg': Register.BATT_SW_VERS,         'fmt': '!h'},                 # noqa: E501 software main version
+        'calc': {
+            1: {'reg': Register.BATT_PV_PWR,               'func': RegisterFunc.prod_sum,    # noqa: E501 Generated Power
+                'params': [[Register.BATT_PV1_VOLT, Register.BATT_PV1_CUR],
+                           [Register.BATT_PV2_VOLT, Register.BATT_PV2_CUR]]},
+            2: {'reg': Register.BATT_PWR,                  'func': RegisterFunc.prod_sum,    # noqa: E501
+                'params': [[Register.BATT_VOLT, Register.BATT_CUR]]},
+            3: {'reg': Register.BATT_OUT_PWR,              'func': RegisterFunc.prod_sum,    # noqa: E501 Supply Power => Power Supply State: 0(Idle), 0>(Power Supply)
+                'params': [[Register.BATT_OUT_VOLT, Register.BATT_OUT_CUR]]},
+            4: {'reg': Register.BATT_PWR_SUPL_STATE,       'func': RegisterFunc.cmp_values,  # noqa: E501
+                'params': {'reg': Register.BATT_OUT_PWR, 'cmp_val': 0, 'res': [0, 0, 1]}},   # noqa: E501
+            5: {'reg': Register.BATT_STATUS,               'func': RegisterFunc.cmp_values,  # noqa: E501
+                'params': {'reg': Register.BATT_CUR,     'cmp_val': 0.0, 'res': [0, 1, 2]}}  # noqa: E501
+        }
     }
 
 
+class RegisterSel:
+    __sensor_map = {
+            0x02b0: RegisterMap.map_02b0,
+            0x3026: RegisterMap.map_3026,
+    }
+
+    @classmethod
+    def get(cls, sensor: int):
+        return cls.__sensor_map.get(sensor, RegisterMap.map)
+
+
 class InfosG3P(Infos):
-    def __init__(self):
+    __slots__ = ('client_mode', )
+
+    def __init__(self, client_mode: bool):
         super().__init__()
+        self.client_mode = client_mode
         self.set_db_def_value(Register.MANUFACTURER, 'TSUN')
         self.set_db_def_value(Register.EQUIPMENT_MODEL, 'TSOL-MSxx00')
         self.set_db_def_value(Register.CHIP_TYPE, 'IGEN TECH')
+        self.set_db_def_value(Register.NO_INPUTS, 4)
+
+    def __hide_topic(self, row: dict) -> bool:
+        if 'dep' in row:
+            mode = row['dep']
+            if self.client_mode:
+                return mode != ProxyMode.CLIENT
+            else:
+                return mode != ProxyMode.SERVER
+        return False
 
     def ha_confs(self, ha_prfx: str, node_id: str, snr: str,
                  sug_area: str = '') \
@@ -82,19 +239,41 @@ class InfosG3P(Infos):
                          entity strings
         sug_area:str ==> suggested area string from the config file'''
         # iterate over RegisterMap.map and get the register values
-        for row in RegisterMap.map.values():
+        sensor = self.get_db_value(Register.SENSOR_LIST)
+        if "3026" == sensor:
+            reg_map = RegisterMap.map_3026
+        elif "02b0" == sensor:
+            reg_map = RegisterMap.map_02b0
+        else:
+            reg_map = {}
+        items = reg_map.items()
+        if 'calc' in reg_map:
+            virt = reg_map['calc'].items()
+        else:
+            virt = {}
+
+        for idx, row in chain(RegisterMap.map.items(), items, virt):
+            if 'calc' == idx:
+                continue
             info_id = row['reg']
-            res = self.ha_conf(info_id, ha_prfx, node_id, snr, False, sug_area)  # noqa: E501
+            if self.__hide_topic(row):
+                res = self.ha_remove(info_id, node_id, snr)  # noqa: E501
+            else:
+                res = self.ha_conf(info_id, ha_prfx, node_id, snr, False, sug_area)  # noqa: E501
             if res:
                 yield res
 
-    def parse(self, buf, msg_type: int, rcv_ftype: int, node_id: str = '') \
+    def parse(self, buf, msg_type: int, rcv_ftype: int,
+              sensor: int = 0, node_id: str = '') \
             -> Generator[tuple[str, bool], None, None]:
         '''parse a data sequence received from the inverter and
         stores the values in Infos.db
 
         buf: buffer of the sequence to parse'''
-        for idx, row in RegisterMap.map.items():
+        reg_map = RegisterSel.get(sensor)
+        for idx, row in reg_map.items():
+            if 'calc' == idx:
+                continue
             addr = idx & 0xffff
             ftype = (idx >> 16) & 0xff
             mtype = (idx >> 24) & 0xff
@@ -103,25 +282,50 @@ class InfosG3P(Infos):
             if not isinstance(row, dict):
                 continue
             info_id = row['reg']
-            fmt = row['fmt']
-            res = struct.unpack_from(fmt, buf, addr)
-            result = res[0]
-            if isinstance(result, (bytearray, bytes)):
-                result = result.decode().split('\x00')[0]
-            if 'eval' in row:
-                result = eval(row['eval'])
-            if 'ratio' in row:
-                result = round(result * row['ratio'], 2)
+            result = Fmt.get_value(buf, addr, row)
+            yield from self.__update_val(node_id, "GEN3PLUS", info_id, result)
+        yield from self.calc(sensor, node_id)
 
-            keys, level, unit, must_incr = self._key_obj(info_id)
+    def calc(self, sensor: int = 0, node_id: str = '') \
+            -> Generator[tuple[str, bool], None, None]:
+        '''calculate meta values from the
+        stored values in Infos.db
 
-            if keys:
-                name, update = self.update_db(keys, must_incr, result)
-                yield keys[0], update
-            else:
-                name = str(f'info-id.0x{addr:x}')
-                update = False
+        sensor: sensor_list number
+        node_id: id-string for the node'''
 
+        reg_map = RegisterSel.get(sensor)
+        if 'calc' in reg_map:
+            for row in reg_map['calc'].values():
+                info_id = row['reg']
+                result = row['func'](self, row['params'])
+                yield from self.__update_val(node_id, "CALC", info_id, result)
+
+    def __update_val(self, node_id, source: str, info_id, result):
+        keys, level, unit, must_incr = self._key_obj(info_id)
+        if keys:
+            name, update = self.update_db(keys, must_incr, result)
+            yield keys[0], update
             if update:
-                self.tracer.log(level, f'[{node_id}] GEN3PLUS: {name}'
+                self.tracer.log(level, f'[{node_id}] {source}: {name}'
                                        f' : {result}{unit}')
+
+    def build(self, len, msg_type: int, rcv_ftype: int, sensor: int = 0):
+        buf = bytearray(len)
+        for idx, row in RegisterSel.get(sensor).items():
+            addr = idx & 0xffff
+            ftype = (idx >> 16) & 0xff
+            mtype = (idx >> 24) & 0xff
+            if ftype != rcv_ftype or mtype != msg_type:
+                continue
+            if not isinstance(row, dict):
+                continue
+            if 'const' in row:
+                val = row['const']
+            else:
+                info_id = row['reg']
+                val = self.get_db_value(info_id)
+            if not val:
+                continue
+            Fmt.set_value(buf, addr, row, val)
+        return buf

app/src/gen3plus/inverter_g3p.py

@@ -1,128 +1,24 @@
-import asyncio
-import logging
-import traceback
-import json
-from config import Config
-from inverter import Inverter
-from gen3plus.connection_g3p import ConnectionG3P
-from aiomqtt import MqttCodeError
-from infos import Infos
+from asyncio import StreamReader, StreamWriter
 
-# import gc
-
-# logger = logging.getLogger('conn')
-logger_mqtt = logging.getLogger('mqtt')
+from inverter_base import InverterBase
+from gen3plus.solarman_v5 import SolarmanV5
+from gen3plus.solarman_emu import SolarmanEmu
 
 
-class InverterG3P(Inverter, ConnectionG3P):
-    '''class Inverter is a derivation of an Async_Stream
+class InverterG3P(InverterBase):
+    def __init__(self, reader: StreamReader, writer: StreamWriter,
+                 client_mode: bool = False):
+        # shared value between both inverter connections
+        self.forward_at_cmd_resp = False
+        '''Flag if response for the last at command must be send to the cloud.
 
-    The class has some class method for managing common resources like a
-    connection to the MQTT broker or proxy error counter which are common
-    for all inverter connection
+           False: send result only to the MQTT broker, cause the AT+ command
+                  came from there
+           True: send response packet to the cloud, cause the AT+ command
+                 came from the cloud'''
 
-    Instances of the class are connections to an inverter and can have an
-    optional link to an remote connection to the TSUN cloud. A remote
-    connection dies with the inverter connection.
-
-    class methods:
-        class_init():  initialize the common resources of the proxy (MQTT
-                       broker, Proxy DB, etc). Must be called before the
-                       first inverter instance can be created
-        class_close(): release the common resources of the proxy. Should not
-                       be called before any instances of the class are
-                       destroyed
-
-    methods:
-        server_loop(addr): Async loop method for receiving messages from the
-                           inverter (server-side)
-        client_loop(addr): Async loop method for receiving messages from the
-                           TSUN cloud (client-side)
-        async_create_remote(): Establish a client connection to the TSUN cloud
-        async_publ_mqtt(): Publish data to MQTT broker
-        close(): Release method which must be called before a instance can be
-                 destroyed
-    '''
-
-    def __init__(self, reader, writer, addr):
-        super().__init__(reader, writer, addr, None, True)
-        self.__ha_restarts = -1
-
-    async def async_create_remote(self) -> None:
-        '''Establish a client connection to the TSUN cloud'''
-        tsun = Config.get('solarman')
-        host = tsun['host']
-        port = tsun['port']
-        addr = (host, port)
-
-        try:
-            logging.info(f'[{self.node_id}] Connected to {addr}')
-            connect = asyncio.open_connection(host, port)
-            reader, writer = await connect
-            self.remoteStream = ConnectionG3P(reader, writer, addr, self,
-                                              False)
-            asyncio.create_task(self.client_loop(addr))
-
-        except (ConnectionRefusedError, TimeoutError) as error:
-            logging.info(f'{error}')
-        except Exception:
-            self.inc_counter('SW_Exception')
-            logging.error(
-                f"Inverter: Exception for {addr}:\n"
-                f"{traceback.format_exc()}")
-
-    async def async_publ_mqtt(self) -> None:
-        '''publish data to MQTT broker'''
-        # check if new inverter or collector infos are available or when the
-        #  home assistant has changed the status back to online
-        try:
-            if (('inverter' in self.new_data and self.new_data['inverter'])
-                    or ('collector' in self.new_data and
-                        self.new_data['collector'])
-                    or self.mqtt.ha_restarts != self.__ha_restarts):
-                await self._register_proxy_stat_home_assistant()
-                await self.__register_home_assistant()
-                self.__ha_restarts = self.mqtt.ha_restarts
-
-            for key in self.new_data:
-                await self.__async_publ_mqtt_packet(key)
-            for key in Infos.new_stat_data:
-                await self._async_publ_mqtt_proxy_stat(key)
-
-        except MqttCodeError as error:
-            logging.error(f'Mqtt except: {error}')
-        except Exception:
-            self.inc_counter('SW_Exception')
-            logging.error(
-                f"Inverter: Exception:\n"
-                f"{traceback.format_exc()}")
-
-    async def __async_publ_mqtt_packet(self, key):
-        db = self.db.db
-        if key in db and self.new_data[key]:
-            data_json = json.dumps(db[key])
-            node_id = self.node_id
-            logger_mqtt.debug(f'{key}: {data_json}')
-            await self.mqtt.publish(f'{self.entity_prfx}{node_id}{key}', data_json)  # noqa: E501
-            self.new_data[key] = False
-
-    async def __register_home_assistant(self) -> None:
-        '''register all our topics at home assistant'''
-        for data_json, component, node_id, id in self.db.ha_confs(
-                self.entity_prfx, self.node_id, self.unique_id,
-                self.sug_area):
-            logger_mqtt.debug(f"MQTT Register: cmp:'{component}'"
-                              f" node_id:'{node_id}' {data_json}")
-            await self.mqtt.publish(f"{self.discovery_prfx}{component}"
-                                    f"/{node_id}{id}/config", data_json)
-
-        self.db.reg_clr_at_midnight(f'{self.entity_prfx}{self.node_id}')
-
-    def close(self) -> None:
-        logging.debug(f'InverterG3P.close() l{self.l_addr} | r{self.r_addr}')
-        super().close()         # call close handler in the parent class
-#        logger.debug (f'Inverter refs: {gc.get_referrers(self)}')
-
-    def __del__(self):
-        logging.debug("InverterG3P.__del__")
-        super().__del__()
+        remote_prot = None
+        if client_mode:
+            remote_prot = SolarmanEmu
+        super().__init__(reader, writer, 'solarman',
+                         SolarmanV5, client_mode, remote_prot)

app/src/gen3plus/solarman_emu.py

@@ -0,0 +1,139 @@
+import logging
+import struct
+
+from async_ifc import AsyncIfc
+from gen3plus.solarman_v5 import SolarmanBase
+from my_timer import Timer
+from infos import Register
+
+logger = logging.getLogger('msg')
+
+
+class SolarmanEmu(SolarmanBase):
+    def __init__(self, inverter, addr, ifc: "AsyncIfc",
+                 server_side: bool, client_mode: bool):
+        super().__init__(addr, ifc, server_side=False,
+                         _send_modbus_cb=None,
+                         mb_timeout=8)
+        _ = inverter
+        logging.debug('SolarmanEmu.init()')
+        self.db = ifc.remote.stream.db
+        self.snr = ifc.remote.stream.snr
+        self.hb_timeout = 60
+        '''actual heatbeat timeout from the last response message'''
+        self.data_up_inv = self.db.get_db_value(Register.DATA_UP_INTERVAL)
+        '''time interval for getting new MQTT data messages'''
+        self.hb_timer = Timer(self.send_heartbeat_cb, self.node_id)
+        self.data_timer = Timer(self.send_data_cb, self.node_id)
+        self.last_sync = self._emu_timestamp()
+        '''timestamp when we send the last sync message (4110)'''
+        self.pkt_cnt = 0
+        '''last sent packet number'''
+
+        self.switch = {
+
+            0x4210: 'msg_data_ind',      # real time data
+            0x1210: self.msg_response,   # at least every 5 minutes
+
+            0x4710: 'msg_hbeat_ind',     # heatbeat
+            0x1710: self.msg_response,   # every 2 minutes
+
+            0x4110: 'msg_dev_ind',        # device data, sync start
+            0x1110: self.msg_response,    # every 3 hours
+
+        }
+
+        self.log_lvl = {
+
+            0x4110: logging.INFO,   # device data, sync start
+            0x1110: logging.INFO,   # every 3 hours
+
+            0x4210: logging.INFO,   # real time data
+            0x1210: logging.INFO,   # at least every 5 minutes
+
+            0x4710: logging.DEBUG,  # heatbeat
+            0x1710: logging.DEBUG,  # every 2 minutes
+
+        }
+
+    '''
+    Our puplic methods
+    '''
+    def close(self) -> None:
+        logging.info('SolarmanEmu.close()')
+        # we have references to methods of this class in self.switch
+        # so we have to erase self.switch, otherwise this instance can't be
+        # deallocated by the garbage collector ==> we get a memory leak
+        self.switch.clear()
+        self.log_lvl.clear()
+        self.hb_timer.close()
+        self.data_timer.close()
+        self.db = None
+        super().close()
+
+    def _set_serial_no(self, snr: int):
+        logging.debug(f'SolarmanEmu._set_serial_no, snr: {snr}')
+        self.unique_id = str(snr)
+
+    def _init_new_client_conn(self) -> bool:
+        logging.debug('SolarmanEmu.init_new()')
+        self.data_timer.start(self.data_up_inv)
+        return False
+
+    def next_pkt_cnt(self):
+        '''get the next packet number'''
+        self.pkt_cnt = (self.pkt_cnt + 1) & 0xffffffff
+        return self.pkt_cnt
+
+    def seconds_since_last_sync(self):
+        '''get seconds since last 0x4110 message was sent'''
+        return self._emu_timestamp() - self.last_sync
+
+    def send_heartbeat_cb(self, exp_cnt):
+        '''send a heartbeat to the TSUN cloud'''
+        self._build_header(0x4710)
+        self.ifc.tx_add(struct.pack('<B', 0))
+        self._finish_send_msg()
+        log_lvl = self.log_lvl.get(0x4710, logging.WARNING)
+        self.ifc.tx_log(log_lvl, 'Send heartbeat:')
+        self.ifc.tx_flush()
+
+    def send_data_cb(self, exp_cnt):
+        '''send a inverter data message to the TSUN cloud'''
+        self.hb_timer.start(self.hb_timeout)
+        self.data_timer.start(self.data_up_inv)
+        _len = 420
+        ftype = 1
+        build_msg = self.db.build(_len, 0x42, ftype, 0x02b0)
+
+        self._build_header(0x4210)
+        self.ifc.tx_add(
+            struct.pack(
+                '<BHLLLHL', ftype, 0x02b0,
+                self._emu_timestamp(),
+                self.seconds_since_last_sync(),
+                self.time_ofs,
+                1,  # offset 0x1a
+                self.next_pkt_cnt()))
+        self.ifc.tx_add(build_msg[0x20:])
+        self._finish_send_msg()
+        log_lvl = self.log_lvl.get(0x4210, logging.WARNING)
+        self.ifc.tx_log(log_lvl, 'Send inv-data:')
+        self.ifc.tx_flush()
+
+    '''
+    Message handler methods
+    '''
+    def msg_response(self):
+        '''handle a received response from the TSUN cloud'''
+        logger.debug("EMU received rsp:")
+        _, _, ts, hb = super().msg_response()
+        logger.debug(f"EMU ts:{ts} hb:{hb}")
+        self.hb_timeout = hb
+        self.time_ofs = ts - self._emu_timestamp()
+        self.hb_timer.start(self.hb_timeout)
+
+    def msg_unknown(self):
+        '''counts a unknown or unexpected message from the TSUN cloud'''
+        logger.warning(f"EMU Unknow Msg: ID:{int(self.control):#04x}")
+        self.inc_counter('Unknown_Msg')

app/src/gen3plus/solarman_v5.py

@@ -1,23 +1,17 @@
 import struct
-# import json
 import logging
 import time
 import asyncio
+from itertools import chain
 from datetime import datetime
 
-if __name__ == "app.src.gen3plus.solarman_v5":
-    from app.src.messages import hex_dump_memory, Message
-    from app.src.modbus import Modbus
-    from app.src.config import Config
-    from app.src.gen3plus.infos_g3p import InfosG3P
-    from app.src.infos import Register
-else:  # pragma: no cover
-    from messages import hex_dump_memory, Message
-    from config import Config
-    from modbus import Modbus
-    from gen3plus.infos_g3p import InfosG3P
-    from infos import Register
-# import traceback
+from proxy import Proxy
+from async_ifc import AsyncIfc
+from messages import hex_dump_memory, Message, State
+from cnf.config import Config
+from modbus import Modbus
+from gen3plus.infos_g3p import InfosG3P
+from infos import Register, Fmt
 
 logger = logging.getLogger('msg')
 
@@ -48,20 +42,228 @@ class Sequence():
         return f'{self.rcv_idx:02x}:{self.snd_idx:02x}'
 
 
-class SolarmanV5(Message):
-    AT_CMD = 1
-    MB_RTU_CMD = 2
-
-    def __init__(self, server_side: bool):
-        super().__init__(server_side, self.send_modbus_cb, mb_timeout=5)
-
+class SolarmanBase(Message):
+    def __init__(self, addr, ifc: "AsyncIfc", server_side: bool,
+                 _send_modbus_cb, mb_timeout: int):
+        super().__init__('G3P', ifc, server_side, _send_modbus_cb,
+                         mb_timeout)
+        ifc.rx_set_cb(self.read)
+        ifc.prot_set_timeout_cb(self._timeout)
+        ifc.prot_set_init_new_client_conn_cb(self._init_new_client_conn)
+        ifc.prot_set_update_header_cb(self.__update_header)
+        self.addr = addr
+        self.conn_no = ifc.get_conn_no()
         self.header_len = 11  # overwrite construcor in class Message
         self.control = 0
         self.seq = Sequence(server_side)
         self.snr = 0
-        self.db = InfosG3P()
         self.time_ofs = 0
-        self.forward_at_cmd_resp = False
+
+    def read(self) -> float:
+        '''process all received messages in the _recv_buffer'''
+        self._read()
+        while True:
+            if not self.header_valid:
+                self.__parse_header(self.ifc.rx_peek(),
+                                    self.ifc.rx_len())
+
+            if self.header_valid and self.ifc.rx_len() >= \
+               (self.header_len + self.data_len+2):
+                self.__process_complete_received_msg()
+                self.__flush_recv_msg()
+            else:
+                return 0  # wait 0s before sending a response
+    '''
+    Our public methods
+    '''
+    def _flow_str(self, server_side: bool, type: str):  # noqa: F821
+        switch = {
+            'rx':      '  <',
+            'tx':      '  >',
+            'forwrd':  '<< ',
+            'drop':    ' xx',
+            'rxS':     '>  ',
+            'txS':     '<  ',
+            'forwrdS': ' >>',
+            'dropS':   'xx ',
+        }
+        if server_side:
+            type += 'S'
+        return switch.get(type, '???')
+
+    def get_fnc_handler(self, ctrl):
+        fnc = self.switch.get(ctrl, self.msg_unknown)
+        if callable(fnc):
+            return fnc, repr(fnc.__name__)
+        else:
+            return self.msg_unknown, repr(fnc)
+
+    def _build_header(self, ctrl) -> None:
+        '''build header for new transmit message'''
+        self.send_msg_ofs = self.ifc.tx_len()
+
+        self.ifc.tx_add(struct.pack(
+            '<BHHHL', 0xA5, 0, ctrl, self.seq.get_send(), self.snr))
+        _fnc, _str = self.get_fnc_handler(ctrl)
+        logger.info(self._flow_str(self.server_side, 'tx') +
+                    f' Ctl: {int(ctrl):#04x} Msg: {_str}')
+
+    def _finish_send_msg(self) -> None:
+        '''finish the transmit message, set lenght and checksum'''
+        _len = self.ifc.tx_len() - self.send_msg_ofs
+        struct.pack_into('<H', self.ifc.tx_peek(), self.send_msg_ofs+1,
+                         _len-11)
+        check = sum(self.ifc.tx_peek()[
+            self.send_msg_ofs+1:self.send_msg_ofs + _len]) & 0xff
+        self.ifc.tx_add(struct.pack('<BB', check, 0x15))    # crc & stop
+
+    def _timestamp(self):
+        # utc as epoche
+        return int(time.time())    # pragma: no cover
+
+    def _emu_timestamp(self):
+        '''timestamp for an emulated inverter (realtime - 1 day)'''
+        one_day = 24*60*60
+        return self._timestamp()-one_day
+
+    '''
+    Our private methods
+    '''
+    def __update_header(self, _forward_buffer):
+        '''update header for message before forwarding,
+        set sequence and checksum'''
+        _len = len(_forward_buffer)
+        ofs = 0
+        while ofs < _len:
+            result = struct.unpack_from('<BH', _forward_buffer, ofs)
+            data_len = result[1]    # len of variable id string
+
+            struct.pack_into('<H', _forward_buffer, ofs+5,
+                             self.seq.get_send())
+
+            check = sum(_forward_buffer[ofs+1:ofs+data_len+11]) & 0xff
+            struct.pack_into('<B', _forward_buffer, ofs+data_len+11, check)
+            ofs += (13 + data_len)
+
+    def __process_complete_received_msg(self):
+        log_lvl = self.log_lvl.get(self.control, logging.WARNING)
+        if callable(log_lvl):
+            log_lvl = log_lvl()
+        self.ifc.rx_log(log_lvl, f'Received from {self.addr}:')
+        # self._recv_buffer, self.header_len +
+        # self.data_len+2)
+        if self.__trailer_is_ok(self.ifc.rx_peek(), self.header_len
+                                + self.data_len + 2):
+            if self.state == State.init:
+                self.state = State.received
+            self._set_serial_no(self.snr)
+            self.__dispatch_msg()
+
+    def __parse_header(self, buf: bytes, buf_len: int) -> None:
+
+        if (buf_len < self.header_len):  # enough bytes for complete header?
+            return
+
+        result = struct.unpack_from('<BHHHL', buf, 0)
+
+        # store parsed header values in the class
+        start = result[0]            # start byte
+        self.data_len = result[1]    # len of variable id string
+        self.control = result[2]
+        self.seq.set_recv(result[3])
+        self.snr = result[4]
+
+        if start != 0xA5:
+            hex_dump_memory(logging.ERROR,
+                            'Drop packet w invalid start byte from'
+                            f' {self.addr}:', buf, buf_len)
+
+            self.inc_counter('Invalid_Msg_Format')
+            # erase broken recv buffer
+            self.ifc.rx_clear()
+            return
+        self.header_valid = True
+
+    def __trailer_is_ok(self, buf: bytes, buf_len: int) -> bool:
+        crc = buf[self.data_len+11]
+        stop = buf[self.data_len+12]
+        if stop != 0x15:
+            hex_dump_memory(logging.ERROR,
+                            'Drop packet w invalid stop byte from '
+                            f'{self.addr}:', buf, buf_len)
+            self.inc_counter('Invalid_Msg_Format')
+            if self.ifc.rx_len() > (self.data_len+13):
+                next_start = buf[self.data_len+13]
+                if next_start != 0xa5:
+                    # erase broken recv buffer
+                    self.ifc.rx_clear()
+
+            return False
+
+        check = sum(buf[1:buf_len-2]) & 0xff
+        if check != crc:
+            self.inc_counter('Invalid_Msg_Format')
+            logger.debug(f'CRC {int(crc):#02x} {int(check):#08x}'
+                         f' Stop:{int(stop):#02x}')
+            # start & stop byte are valid, discard only this message
+            return False
+
+        return True
+
+    def __flush_recv_msg(self) -> None:
+        self.ifc.rx_get(self.header_len + self.data_len+2)
+        self.header_valid = False
+
+    def __dispatch_msg(self) -> None:
+        _fnc, _str = self.get_fnc_handler(self.control)
+        if self.unique_id:
+            logger.info(self._flow_str(self.server_side, 'rx') +
+                        f' Ctl: {int(self.control):#04x}' +
+                        f' Msg: {_str}')
+            _fnc()
+        else:
+            logger.info(self._flow_str(self.server_side, 'drop') +
+                        f' Ctl: {int(self.control):#04x}' +
+                        f' Msg: {_str}')
+
+    '''
+    Message handler methods
+    '''
+    def msg_response(self):
+        data = self.ifc.rx_peek()[self.header_len:]
+        result = struct.unpack_from('<BBLL', data, 0)
+        ftype = result[0]  # always 2
+        valid = result[1] == 1  # status
+        ts = result[2]
+        set_hb = result[3]  # always 60 or 120
+        logger.debug(f'ftype:{ftype} accepted:{valid}'
+                     f' ts:{ts:08x}  nextHeartbeat: {set_hb}s')
+
+        dt = datetime.fromtimestamp(ts)
+        logger.debug(f'ts: {dt.strftime("%Y-%m-%d %H:%M:%S")}')
+        return ftype, valid, ts, set_hb
+
+
+class SolarmanV5(SolarmanBase):
+    AT_CMD = 1
+    MB_RTU_CMD = 2
+    AT_CMD_RSP = 8
+    MB_CLIENT_DATA_UP = 30
+    '''Data up time in client mode'''
+    HDR_FMT = '<BLLL'
+    '''format string for packing of the header'''
+
+    def __init__(self, inverter, addr, ifc: "AsyncIfc",
+                 server_side: bool, client_mode: bool):
+        super().__init__(addr, ifc, server_side, self.send_modbus_cb,
+                         mb_timeout=8)
+
+        self.inverter = inverter
+        self.db = InfosG3P(client_mode)
+        self.no_forwarding = False
+        '''not allowed to connect to TSUN cloud by connection type'''
+        self.establish_inv_emu = False
+        '''create an Solarman EMU instance to send data to the TSUN cloud'''
         self.switch = {
 
             0x4210: self.msg_data_ind,   # real time data
@@ -91,7 +293,7 @@ class SolarmanV5(Message):
             # MODbus or AT cmd
             0x4510: self.msg_command_req,  # from server
             0x1510: self.msg_command_rsp,     # from inverter
-            # 0x0510: self.msg_command_rsp,     # from inverter
+            0x0510: self.msg_command_rsp,     # from inverter
         }
 
         self.log_lvl = {
@@ -116,307 +318,248 @@ class SolarmanV5(Message):
             0x4510: logging.INFO,  # from server
             0x1510: self.get_cmd_rsp_log_lvl,
         }
-        self.modbus_elms = 0    # for unit tests
         g3p_cnf = Config.get('gen3plus')
 
         if 'at_acl' in g3p_cnf:  # pragma: no cover
             self.at_acl = g3p_cnf['at_acl']
 
-        self.node_id = 'G3P'  # will be overwritten in __set_serial_no
-        # self.forwarding = Config.get('solarman')['enabled']
+        self.sensor_list = 0
+        self.mb_regs = [{'addr': 0x3000, 'len': 48},
+                        {'addr': 0x2000, 'len': 96}]
 
     '''
     Our puplic methods
     '''
     def close(self) -> None:
         logging.debug('Solarman.close()')
-        # we have refernces to methods of this class in self.switch
+        # we have references to methods of this class in self.switch
         # so we have to erase self.switch, otherwise this instance can't be
         # deallocated by the garbage collector ==> we get a memory leak
+        self.inverter = None
         self.switch.clear()
         self.log_lvl.clear()
-        self.state = self.STATE_CLOSED
         super().close()
 
-    def __set_serial_no(self, snr: int):
+    async def send_start_cmd(self, snr: int, host: str,
+                             forward: bool,
+                             start_timeout=MB_CLIENT_DATA_UP):
+        self.no_forwarding = True
+        self.establish_inv_emu = forward
+        self.snr = snr
+        self._set_serial_no(snr)
+        self.mb_timeout = start_timeout
+        self.db.set_db_def_value(Register.IP_ADDRESS, host)
+        self.db.set_db_def_value(Register.POLLING_INTERVAL,
+                                 self.mb_timeout)
+        self.db.set_db_def_value(Register.DATA_UP_INTERVAL,
+                                 300)
+        self.db.set_db_def_value(Register.COLLECT_INTERVAL,
+                                 1)
+        self.db.set_db_def_value(Register.HEARTBEAT_INTERVAL,
+                                 120)
+        self.db.set_db_def_value(Register.SENSOR_LIST,
+                                 Fmt.hex4((self.sensor_list, )))
+        self.new_data['controller'] = True
+
+        self.state = State.up
+
+        if self.mb_scan:
+            self._send_modbus_cmd(self.mb_inv_no, Modbus.READ_REGS,
+                                  self.mb_start_reg, self.mb_bytes,
+                                  logging.INFO)
+        else:
+            self._send_modbus_cmd(Modbus.INV_ADDR, Modbus.READ_REGS,
+                                  self.mb_regs[0]['addr'],
+                                  self.mb_regs[0]['len'], logging.DEBUG)
+
+        self.mb_timer.start(self.mb_timeout)
+
+    def new_state_up(self):
+        if self.state is not State.up:
+            self.state = State.up
+            if (self.modbus_polling):
+                self.mb_timer.start(self.mb_first_timeout)
+                self.db.set_db_def_value(Register.POLLING_INTERVAL,
+                                         self.mb_timeout)
+
+    def establish_emu(self):
+        _len = 223
+        build_msg = self.db.build(_len, 0x41, 2)
+        struct.pack_into(
+            '<BHHHLBL', build_msg, 0, 0xA5, _len-11, 0x4110,
+            0, self.snr, 2, self._emu_timestamp())
+        self.ifc.fwd_add(build_msg)
+        self.ifc.fwd_add(struct.pack('<BB', 0, 0x15))    # crc & stop
+
+    def _set_config_parms(self, inv: dict, serial_no: str = ""):
+        '''init connection with params from the configuration'''
+        super()._set_config_parms(inv, serial_no)
+        snr = serial_no[:3]
+        if '410' == snr:
+            self.db.set_db_def_value(Register.EQUIPMENT_MODEL,
+                                     'TSOL-DC1000')
+
+        self.sensor_list = inv['sensor_list']
+        if 0 == self.sensor_list:
+            if '410' == snr:
+                self.sensor_list = 0x3026
+                self.mb_regs = [{'addr': 0x0000, 'len': 45}]
+            else:
+                self.sensor_list = 0x02b0
+        self.db.set_db_def_value(Register.SENSOR_LIST,
+                                 f"{self.sensor_list:04x}")
+        logging.debug(f"Use sensor-list: {self.sensor_list:#04x}"
+                      f" for '{serial_no}'")
+
+    def _set_serial_no(self, snr: int):
+        '''check the serial number and configure the inverter connection'''
         serial_no = str(snr)
         if self.unique_id == serial_no:
             logger.debug(f'SerialNo: {serial_no}')
         else:
-            found = False
             inverters = Config.get('inverters')
+            batteries = Config.get('batteries')
             # logger.debug(f'Inverters: {inverters}')
 
-            for inv in inverters.values():
+            for key, inv in chain(inverters.items(), batteries.items()):
                 # logger.debug(f'key: {key} -> {inv}')
                 if (type(inv) is dict and 'monitor_sn' in inv
                    and inv['monitor_sn'] == snr):
-                    found = True
-                    self.node_id = inv['node_id']
-                    self.sug_area = inv['suggested_area']
-                    logger.debug(f'SerialNo {serial_no} allowed! area:{self.sug_area}')  # noqa: E501
+                    self._set_config_parms(inv, key)
                     self.db.set_pv_module_details(inv)
+                    logger.debug(f'SerialNo {serial_no} allowed! area:{self.sug_area}')  # noqa: E501
 
-            if not found:
+                    self.db.set_db_def_value(Register.COLLECTOR_SNR, snr)
+                    self.db.set_db_def_value(Register.SERIAL_NUMBER, key)
+                    break
+            else:
                 self.node_id = ''
                 self.sug_area = ''
                 if 'allow_all' not in inverters or not inverters['allow_all']:
                     self.inc_counter('Unknown_SNR')
                     self.unique_id = None
-                    logger.warning(f'ignore message from unknow inverter! (SerialNo: {serial_no})')  # noqa: E501
+                    logging.error(f"Ignore message from unknow inverter with Monitoring-SN: {serial_no})!\n"  # noqa: E501
+                                  "  !!Check the 'monitor_sn' setting in your configuration!!")  # noqa: E501
                     return
-                logger.debug(f'SerialNo {serial_no} not known but accepted!')
+                logging.warning(f"Monitoring-SN: {serial_no} not configured but accepted!"  # noqa: E501
+                                "  !!Check the 'monitor_sn' setting in your configuration!!")  # noqa: E501
 
             self.unique_id = serial_no
 
-    def read(self) -> None:
-        self._read()
-
-        if not self.header_valid:
-            self.__parse_header(self._recv_buffer, len(self._recv_buffer))
-
-        if self.header_valid and len(self._recv_buffer) >= (self.header_len +
-                                                            self.data_len+2):
-            log_lvl = self.log_lvl.get(self.control, logging.WARNING)
-            if callable(log_lvl):
-                log_lvl = log_lvl()
-            hex_dump_memory(log_lvl, f'Received from {self.addr}:',
-                            self._recv_buffer, self.header_len+self.data_len+2)
-            if self.__trailer_is_ok(self._recv_buffer, self.header_len
-                                    + self.data_len + 2):
-                self.__set_serial_no(self.snr)
-                self.__dispatch_msg()
-            self.__flush_recv_msg()
-        return
-
     def forward(self, buffer, buflen) -> None:
+        '''add the actual receive msg to the forwarding queue'''
+        if self.no_forwarding:
+            return
         tsun = Config.get('solarman')
         if tsun['enabled']:
-            self._forward_buffer = buffer[:buflen]
-            hex_dump_memory(logging.DEBUG, 'Store for forwarding:',
-                            buffer, buflen)
+            self.ifc.fwd_add(buffer[:buflen])
+            self.ifc.fwd_log(logging.DEBUG, 'Store for forwarding:')
 
-            self.__parse_header(self._forward_buffer,
-                                len(self._forward_buffer))
-            fnc = self.switch.get(self.control, self.msg_unknown)
-            logger.info(self.__flow_str(self.server_side, 'forwrd') +
+            _, _str = self.get_fnc_handler(self.control)
+            logger.info(self._flow_str(self.server_side, 'forwrd') +
                         f' Ctl: {int(self.control):#04x}'
-                        f' Msg: {fnc.__name__!r}')
-        return
+                        f' Msg: {_str}')
 
     def _init_new_client_conn(self) -> bool:
-        # self.__build_header(0x91)
-        # self._send_buffer += struct.pack(f'!{len(contact_name)+1}p'
-        #                                  f'{len(contact_mail)+1}p',
-        #                                  contact_name, contact_mail)
-
-        # self.__finish_send_msg()
         return False
 
-    '''
-    Our private methods
-    '''
-    def __flow_str(self, server_side: bool, type: str):  # noqa: F821
-        switch = {
-            'rx':      '  <',
-            'tx':      '  >',
-            'forwrd':  '<< ',
-            'drop':    ' xx',
-            'rxS':     '>  ',
-            'txS':     '<  ',
-            'forwrdS': ' >>',
-            'dropS':   'xx ',
-        }
-        if server_side:
-            type += 'S'
-        return switch.get(type, '???')
-
-    def _timestamp(self):
-        # utc as epoche
-        return int(time.time())    # pragma: no cover
-
     def _heartbeat(self) -> int:
         return 60                  # pragma: no cover
 
-    def __parse_header(self, buf: bytes, buf_len: int) -> None:
-
-        if (buf_len < self.header_len):  # enough bytes for complete header?
-            return
-
-        result = struct.unpack_from('<BHHHL', buf, 0)
-
-        # store parsed header values in the class
-        start = result[0]            # start byte
-        self.data_len = result[1]    # len of variable id string
-        self.control = result[2]
-        self.seq.set_recv(result[3])
-        self.snr = result[4]
-
-        if start != 0xA5:
-            self.inc_counter('Invalid_Msg_Format')
-            # erase broken recv buffer
-            self._recv_buffer = bytearray()
-            return
-        self.header_valid = True
-        return
-
-    def __trailer_is_ok(self, buf: bytes, buf_len: int) -> bool:
-        crc = buf[self.data_len+11]
-        stop = buf[self.data_len+12]
-        if stop != 0x15:
-            self.inc_counter('Invalid_Msg_Format')
-            if len(self._recv_buffer) > (self.data_len+13):
-                next_start = buf[self.data_len+13]
-                if next_start != 0xa5:
-                    # erase broken recv buffer
-                    self._recv_buffer = bytearray()
-
-            return False
-
-        check = sum(buf[1:buf_len-2]) & 0xff
-        if check != crc:
-            self.inc_counter('Invalid_Msg_Format')
-            logger.debug(f'CRC {int(crc):#02x} {int(check):#08x}'
-                         f' Stop:{int(stop):#02x}')
-            # start & stop byte are valid, discard only this message
-            return False
-
-        return True
-
-    def __build_header(self, ctrl) -> None:
-        '''build header for new transmit message'''
-        self.send_msg_ofs = len(self._send_buffer)
-
-        self._send_buffer += struct.pack(
-            '<BHHHL', 0xA5, 0, ctrl, self.seq.get_send(), self.snr)
-        fnc = self.switch.get(ctrl, self.msg_unknown)
-        logger.info(self.__flow_str(self.server_side, 'tx') +
-                    f' Ctl: {int(ctrl):#04x} Msg: {fnc.__name__!r}')
-
-    def __finish_send_msg(self) -> None:
-        '''finish the transmit message, set lenght and checksum'''
-        _len = len(self._send_buffer) - self.send_msg_ofs
-        struct.pack_into('<H', self._send_buffer, self.send_msg_ofs+1, _len-11)
-        check = sum(self._send_buffer[self.send_msg_ofs+1:self.send_msg_ofs +
-                                      _len]) & 0xff
-        self._send_buffer += struct.pack('<BB', check, 0x15)    # crc & stop
-
-    def _update_header(self, _forward_buffer):
-        '''update header for message before forwarding,
-        set sequence and checksum'''
-        _len = len(_forward_buffer)
-        struct.pack_into('<H', _forward_buffer, 1,
-                         _len-13)
-        struct.pack_into('<H', _forward_buffer, 5,
-                         self.seq.get_send())
-
-        check = sum(_forward_buffer[1:_len-2]) & 0xff
-        struct.pack_into('<B', _forward_buffer, _len-2, check)
-
-    def __dispatch_msg(self) -> None:
-        fnc = self.switch.get(self.control, self.msg_unknown)
-        if self.unique_id:
-            logger.info(self.__flow_str(self.server_side, 'rx') +
-                        f' Ctl: {int(self.control):#04x}' +
-                        f' Msg: {fnc.__name__!r}')
-            fnc()
-        else:
-            logger.info(self.__flow_str(self.server_side, 'drop') +
-                        f' Ctl: {int(self.control):#04x}' +
-                        f' Msg: {fnc.__name__!r}')
-
-    def __flush_recv_msg(self) -> None:
-        self._recv_buffer = self._recv_buffer[(self.header_len +
-                                               self.data_len+2):]
-        self.header_valid = False
-
     def __send_ack_rsp(self, msgtype, ftype, ack=1):
-        self.__build_header(msgtype)
-        self._send_buffer += struct.pack('<BBLL', ftype, ack,
-                                         self._timestamp(),
-                                         self._heartbeat())
-        self.__finish_send_msg()
+        self._build_header(msgtype)
+        self.ifc.tx_add(struct.pack('<BBLL', ftype, ack,
+                                    self._timestamp(),
+                                    self._heartbeat()))
+        self._finish_send_msg()
 
     def send_modbus_cb(self, pdu: bytearray, log_lvl: int, state: str):
-        if self.state != self.STATE_UP:
-            logger.warn(f'[{self.node_id}] ignore MODBUS cmd,'
-                        ' cause the state is not UP anymore')
+        if self.state != State.up:
+            logger.warning(f'[{self.node_id}] ignore MODBUS cmd,'
+                           ' cause the state is not UP anymore')
             return
-        self.__build_header(0x4510)
-        self._send_buffer += struct.pack('<BHLLL', self.MB_RTU_CMD,
-                                         0x2b0, 0, 0, 0)
-        self._send_buffer += pdu
-        self.__finish_send_msg()
-        hex_dump_memory(log_lvl, f'Send Modbus {state}:{self.addr}:',
-                        self._send_buffer, len(self._send_buffer))
-        self.writer.write(self._send_buffer)
-        self._send_buffer = bytearray(0)  # self._send_buffer[sent:]
+        self._build_header(0x4510)
+        self.ifc.tx_add(struct.pack('<BHLLL', self.MB_RTU_CMD,
+                                    self.sensor_list, 0, 0, 0))
+        self.ifc.tx_add(pdu)
+        self._finish_send_msg()
+        self.ifc.tx_log(log_lvl, f'Send Modbus {state}:{self.addr}:')
+        self.ifc.tx_flush()
 
-    async def send_modbus_cmd(self, func, addr, val, log_lvl) -> None:
-        if self.state != self.STATE_UP:
-            logger.log(log_lvl, f'[{self.node_id}] ignore MODBUS cmd,'
-                       ' as the state is not UP')
-            return
-        self.mb.build_msg(Modbus.INV_ADDR, func, addr, val, log_lvl)
+    def mb_timout_cb(self, exp_cnt):
+        self.mb_timer.start(self.mb_timeout)
+        if self.mb_scan:
+            self._send_modbus_scan()
+        else:
+            self._send_modbus_cmd(Modbus.INV_ADDR, Modbus.READ_REGS,
+                                  self.mb_regs[0]['addr'],
+                                  self.mb_regs[0]['len'], logging.INFO)
+
+            if 1 == (exp_cnt % 30) and len(self.mb_regs) > 1:
+                # logging.info("Regular Modbus Status request")
+                self._send_modbus_cmd(Modbus.INV_ADDR, Modbus.READ_REGS,
+                                      self.mb_regs[1]['addr'],
+                                      self.mb_regs[1]['len'], logging.INFO)
 
     def at_cmd_forbidden(self, cmd: str, connection: str) -> bool:
         return not cmd.startswith(tuple(self.at_acl[connection]['allow'])) or \
                 cmd.startswith(tuple(self.at_acl[connection]['block']))
 
-    async def send_at_cmd(self, AT_cmd: str) -> None:
-        if self.state != self.STATE_UP:
-            logger.warn(f'[{self.node_id}] ignore AT+ cmd,'
-                        ' as the state is not UP')
+    async def send_at_cmd(self, at_cmd: str) -> None:
+        if self.state != State.up:
+            logger.warning(f'[{self.node_id}] ignore AT+ cmd,'
+                           ' as the state is not UP')
             return
-        AT_cmd = AT_cmd.strip()
+        at_cmd = at_cmd.strip()
 
-        if self.at_cmd_forbidden(cmd=AT_cmd, connection='mqtt'):
-            data_json = f'\'{AT_cmd}\' is forbidden'
+        if self.at_cmd_forbidden(cmd=at_cmd, connection='mqtt'):
+            data_json = f'\'{at_cmd}\' is forbidden'
             node_id = self.node_id
             key = 'at_resp'
             logger.info(f'{key}: {data_json}')
-            asyncio.ensure_future(
-                self.publish_mqtt(f'{self.entity_prfx}{node_id}{key}', data_json))  # noqa: E501
+            await Proxy.mqtt.publish(f'{Proxy.entity_prfx}{node_id}{key}', data_json)  # noqa: E501
             return
 
-        self.forward_at_cmd_resp = False
-        self.__build_header(0x4510)
-        self._send_buffer += struct.pack(f'<BHLLL{len(AT_cmd)}sc', self.AT_CMD,
-                                         2, 0, 0, 0, AT_cmd.encode('utf-8'),
-                                         b'\r')
-        self.__finish_send_msg()
+        self.inverter.forward_at_cmd_resp = False
+        self._build_header(0x4510)
+        self.ifc.tx_add(struct.pack(f'<BHLLL{len(at_cmd)}sc', self.AT_CMD,
+                                    0x0002, 0, 0, 0,
+                                    at_cmd.encode('utf-8'), b'\r'))
+        self._finish_send_msg()
+        self.ifc.tx_log(logging.INFO, 'Send AT Command:')
         try:
-            await self.async_write('Send AT Command:')
+            self.ifc.tx_flush()
         except Exception:
-            self._send_buffer = bytearray(0)
+            self.ifc.tx_clear()
 
     def __forward_msg(self):
-        self.forward(self._recv_buffer, self.header_len+self.data_len+2)
+        self.forward(self.ifc.rx_peek(), self.header_len+self.data_len+2)
 
     def __build_model_name(self):
         db = self.db
-        MaxPow = db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
-        Rated = db.get_db_value(Register.RATED_POWER, 0)
-        Model = None
-        if MaxPow == 2000:
-            if Rated == 800 or Rated == 600:
-                Model = f'TSOL-MS{MaxPow}({Rated})'
+        max_pow = db.get_db_value(Register.MAX_DESIGNED_POWER, 0)
+        rated = db.get_db_value(Register.RATED_POWER, 0)
+        model = None
+        if max_pow == 2000:
+            if rated == 800 or rated == 600:
+                model = f'TSOL-MS{max_pow}({rated})'
             else:
-                Model = f'TSOL-MS{MaxPow}'
-        elif MaxPow == 1800 or MaxPow == 1600:
-            Model = f'TSOL-MS{MaxPow}'
-        if Model:
-            logger.info(f'Model: {Model}')
-            self.db.set_db_def_value(Register.EQUIPMENT_MODEL, Model)
+                model = f'TSOL-MS{max_pow}'
+        elif max_pow == 1800 or max_pow == 1600:
+            model = f'TSOL-MS{max_pow}'
+        if model:
+            logger.info(f'Model: {model}')
+            self.db.set_db_def_value(Register.EQUIPMENT_MODEL, model)
 
-    def __process_data(self, ftype):
+    def __process_data(self, ftype, ts, sensor=0):
         inv_update = False
         msg_type = self.control >> 8
-        for key, update in self.db.parse(self._recv_buffer, msg_type, ftype,
-                                         self.node_id):
+        for key, update in self.db.parse(self.ifc.rx_peek(), msg_type,
+                                         ftype, sensor, self.node_id):
             if update:
                 if key == 'inverter':
                     inv_update = True
+                self._set_mqtt_timestamp(key, ts)
                 self.new_data[key] = True
 
         if inv_update:
@@ -430,46 +573,57 @@ class SolarmanV5(Message):
         self.__forward_msg()
 
     def msg_dev_ind(self):
-        data = self._recv_buffer[self.header_len:]
-        result = struct.unpack_from('<BLLL', data, 0)
+        data = self.ifc.rx_peek()[self.header_len:]
+        result = struct.unpack_from(self.HDR_FMT, data, 0)
         ftype = result[0]  # always 2
-        # total = result[1]
+        total = result[1]
         tim = result[2]
         res = result[3]  # always zero
         logger.info(f'frame type:{ftype:02x}'
                     f' timer:{tim:08x}s  null:{res}')
-        # if self.time_ofs:
-        #     dt = datetime.fromtimestamp(total + self.time_ofs)
-        #     logger.info(f'ts: {dt.strftime("%Y-%m-%d %H:%M:%S")}')
-
-        self.__process_data(ftype)
+        if self.time_ofs:
+            #     dt = datetime.fromtimestamp(total + self.time_ofs)
+            #     logger.info(f'ts: {dt.strftime("%Y-%m-%d %H:%M:%S")}')
+            ts = total + self.time_ofs
+        else:
+            ts = None
+        self.__process_data(ftype, ts)
+        self.sensor_list = int(self.db.get_db_value(Register.SENSOR_LIST, 0),
+                               16)
         self.__forward_msg()
         self.__send_ack_rsp(0x1110, ftype)
 
     def msg_data_ind(self):
-        data = self._recv_buffer
+        data = self.ifc.rx_peek()
         result = struct.unpack_from('<BHLLLHL', data, self.header_len)
         ftype = result[0]  # 1 or 0x81
-        # total = result[2]
+        sensor = result[1]
+        total = result[2]
         tim = result[3]
         if 1 == ftype:
             self.time_ofs = result[4]
         unkn = result[5]
         cnt = result[6]
+        if sensor != self.sensor_list:
+            logger.warning(f'Unexpected Sensor-List:{sensor:04x}'
+                           f' (!={self.sensor_list:04x})')
         logger.info(f'ftype:{ftype:02x} timer:{tim:08x}s'
                     f' ??: {unkn:04x} cnt:{cnt}')
-        # if self.time_ofs:
-        #     dt = datetime.fromtimestamp(total + self.time_ofs)
-        #     logger.info(f'ts: {dt.strftime("%Y-%m-%d %H:%M:%S")}')
+        if self.time_ofs:
+            #     dt = datetime.fromtimestamp(total + self.time_ofs)
+            #     logger.info(f'ts: {dt.strftime("%Y-%m-%d %H:%M:%S")}')
+            ts = total + self.time_ofs
+        else:
+            ts = None
 
-        self.__process_data(ftype)
+        self.__process_data(ftype, ts, sensor)
         self.__forward_msg()
         self.__send_ack_rsp(0x1210, ftype)
-        self.state = self.STATE_UP
+        self.new_state_up()
 
     def msg_sync_start(self):
-        data = self._recv_buffer[self.header_len:]
-        result = struct.unpack_from('<BLLL', data, 0)
+        data = self.ifc.rx_peek()[self.header_len:]
+        result = struct.unpack_from(self.HDR_FMT, data, 0)
         ftype = result[0]
         total = result[1]
         self.time_ofs = result[3]
@@ -481,90 +635,112 @@ class SolarmanV5(Message):
         self.__send_ack_rsp(0x1310, ftype)
 
     def msg_command_req(self):
-        data = self._recv_buffer[self.header_len:
-                                 self.header_len+self.data_len]
+        data = self.ifc.rx_peek()[self.header_len:
+                                  self.header_len+self.data_len]
         result = struct.unpack_from('<B', data, 0)
         ftype = result[0]
         if ftype == self.AT_CMD:
-            AT_cmd = data[15:].decode()
-            if self.at_cmd_forbidden(cmd=AT_cmd, connection='tsun'):
+            at_cmd = data[15:].decode()
+            if self.at_cmd_forbidden(cmd=at_cmd, connection='tsun'):
                 self.inc_counter('AT_Command_Blocked')
                 return
             self.inc_counter('AT_Command')
-            self.forward_at_cmd_resp = True
+            self.inverter.forward_at_cmd_resp = True
 
         elif ftype == self.MB_RTU_CMD:
-            if self.remoteStream.mb.recv_req(data[15:],
-                                             self.__forward_msg()):
+            rstream = self.ifc.remote.stream
+            if rstream.mb.recv_req(data[15:],
+                                   rstream.__forward_msg):
                 self.inc_counter('Modbus_Command')
             else:
+                logger.error('Invalid Modbus Msg')
                 self.inc_counter('Invalid_Msg_Format')
             return
 
         self.__forward_msg()
 
-    async def publish_mqtt(self, key, data):
-        await self.mqtt.publish(key, data)  # pragma: no cover
+    def publish_mqtt(self, key, data):  # pragma: no cover
+        asyncio.ensure_future(
+            Proxy.mqtt.publish(key, data))
 
     def get_cmd_rsp_log_lvl(self) -> int:
-        ftype = self._recv_buffer[self.header_len]
-        if ftype == self.AT_CMD:
-            if self.forward_at_cmd_resp:
+        ftype = self.ifc.rx_peek()[self.header_len]
+        if ftype == self.AT_CMD or \
+           ftype == self.AT_CMD_RSP:
+            if self.inverter.forward_at_cmd_resp:
                 return logging.INFO
             return logging.DEBUG
-        elif ftype == self.MB_RTU_CMD:
-            if self.server_side:
-                return self.mb.last_log_lvl
+        elif ftype == self.MB_RTU_CMD \
+                and self.server_side:
+            return self.mb.last_log_lvl
 
         return logging.WARNING
 
     def msg_command_rsp(self):
-        data = self._recv_buffer[self.header_len:
-                                 self.header_len+self.data_len]
+        data = self.ifc.rx_peek()[self.header_len:
+                                  self.header_len+self.data_len]
         ftype = data[0]
-        if ftype == self.AT_CMD:
-            if not self.forward_at_cmd_resp:
+        if ftype == self.AT_CMD or \
+           ftype == self.AT_CMD_RSP:
+            if not self.inverter.forward_at_cmd_resp:
                 data_json = data[14:].decode("utf-8")
                 node_id = self.node_id
                 key = 'at_resp'
                 logger.info(f'{key}: {data_json}')
-                asyncio.ensure_future(
-                    self.publish_mqtt(f'{self.entity_prfx}{node_id}{key}', data_json))  # noqa: E501
+                self.publish_mqtt(f'{Proxy.entity_prfx}{node_id}{key}', data_json)  # noqa: E501
                 return
         elif ftype == self.MB_RTU_CMD:
-            valid = data[1]
-            modbus_msg_len = self.data_len - 14
-            # logger.debug(f'modbus_len:{modbus_msg_len} accepted:{valid}')
-            if valid == 1 and modbus_msg_len > 4:
-                # logger.info(f'first byte modbus:{data[14]}')
-                inv_update = False
-                self.modbus_elms = 0
-
-                for key, update, _ in self.mb.recv_resp(self.db, data[14:],
-                                                        self.node_id):
-                    self.modbus_elms += 1
-                    if update:
-                        if key == 'inverter':
-                            inv_update = True
-                        self.new_data[key] = True
-
-                if inv_update:
-                    self.__build_model_name()
+            self.__modbus_command_rsp(data)
             return
         self.__forward_msg()
 
+    def __parse_modbus_rsp(self, data, modbus_msg_len):
+        inv_update = False
+        self.modbus_elms = 0
+        if (self.mb_scan):
+            self._dump_modbus_scan(data, 14, modbus_msg_len)
+
+        ts = self._timestamp()
+        for key, update, _ in self.mb.recv_resp(self.db, data[14:]):
+            self.modbus_elms += 1
+            if update:
+                if key == 'inverter':
+                    inv_update = True
+                self._set_mqtt_timestamp(key, ts)
+                self.new_data[key] = True
+        for key, update in self.db.calc(self.sensor_list, self.node_id):
+            if update:
+                self._set_mqtt_timestamp(key, ts)
+                self.new_data[key] = True
+
+        return inv_update
+
+    def __modbus_command_rsp(self, data):
+        '''precess MODBUS RTU response'''
+        valid = data[1]
+        modbus_msg_len = self.data_len - 14
+        # logger.debug(f'modbus_len:{modbus_msg_len} accepted:{valid}')
+        if valid == 1 and modbus_msg_len > 4:
+            # logger.info(f'first byte modbus:{data[14]}')
+            inv_update = self.__parse_modbus_rsp(data, modbus_msg_len)
+            if inv_update:
+                self.__build_model_name()
+
+            if self.establish_inv_emu and not self.ifc.remote.stream:
+                self.establish_emu()
+
     def msg_hbeat_ind(self):
-        data = self._recv_buffer[self.header_len:]
+        data = self.ifc.rx_peek()[self.header_len:]
         result = struct.unpack_from('<B', data, 0)
         ftype = result[0]
 
         self.__forward_msg()
         self.__send_ack_rsp(0x1710, ftype)
-        self.state = self.STATE_UP
+        self.new_state_up()
 
     def msg_sync_end(self):
-        data = self._recv_buffer[self.header_len:]
-        result = struct.unpack_from('<BLLL', data, 0)
+        data = self.ifc.rx_peek()[self.header_len:]
+        result = struct.unpack_from(self.HDR_FMT, data, 0)
         ftype = result[0]
         total = result[1]
         self.time_ofs = result[3]
@@ -574,16 +750,3 @@ class SolarmanV5(Message):
 
         self.__forward_msg()
         self.__send_ack_rsp(0x1810, ftype)
-
-    def msg_response(self):
-        data = self._recv_buffer[self.header_len:]
-        result = struct.unpack_from('<BBLL', data, 0)
-        ftype = result[0]  # always 2
-        valid = result[1] == 1  # status
-        ts = result[2]
-        set_hb = result[3]  # always 60 or 120
-        logger.debug(f'ftype:{ftype} accepted:{valid}'
-                     f' ts:{ts:08x}  nextHeartbeat: {set_hb}s')
-
-        dt = datetime.fromtimestamp(ts)
-        logger.debug(f'ts: {dt.strftime("%Y-%m-%d %H:%M:%S")}')

app/src/inverter_base.py

@@ -0,0 +1,199 @@
+import weakref
+import asyncio
+import logging
+import traceback
+import json
+import gc
+from aiomqtt import MqttCodeError
+from asyncio import StreamReader, StreamWriter
+from ipaddress import ip_address
+
+from inverter_ifc import InverterIfc
+from proxy import Proxy
+from async_stream import StreamPtr
+from async_stream import AsyncStreamClient
+from async_stream import AsyncStreamServer
+from cnf.config import Config
+from infos import Infos
+
+logger_mqtt = logging.getLogger('mqtt')
+
+
+class InverterBase(InverterIfc, Proxy):
+
+    def __init__(self, reader: StreamReader, writer: StreamWriter,
+                 config_id: str, prot_class,
+                 client_mode: bool = False,
+                 remote_prot_class=None):
+        Proxy.__init__(self)
+        self._registry.append(weakref.ref(self))
+        self.addr = writer.get_extra_info('peername')
+        self.client_mode = client_mode
+        self.config_id = config_id
+        if remote_prot_class:
+            self.prot_class = remote_prot_class
+            self.use_emulation = True
+        else:
+            self.prot_class = prot_class
+            self.use_emulation = False
+        self.__ha_restarts = -1
+        self.remote = StreamPtr(None)
+        ifc = AsyncStreamServer(reader, writer,
+                                self.async_publ_mqtt,
+                                self.create_remote,
+                                self.remote)
+
+        self.local = StreamPtr(
+            prot_class(self, self.addr, ifc, True, client_mode), ifc
+        )
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, exc_type, exc, tb) -> None:
+        logging.debug(f'InverterBase.__exit__() {self.addr}')
+        self.__del_remote()
+
+        self.local.stream.close()
+        self.local.stream = None
+        self.local.ifc.close()
+        self.local.ifc = None
+
+        # now explicitly call garbage collector to release unreachable objects
+        unreachable_obj = gc.collect()
+        logging.debug(
+            f'InverterBase.__exit: freed unreachable obj: {unreachable_obj}')
+
+    def __del_remote(self):
+        if self.remote.stream:
+            self.remote.stream.close()
+            self.remote.stream = None
+
+        if self.remote.ifc:
+            self.remote.ifc.close()
+            self.remote.ifc = None
+
+    async def disc(self, shutdown_started=False) -> None:
+        if self.remote.stream:
+            self.remote.stream.shutdown_started = shutdown_started
+        if self.remote.ifc:
+            await self.remote.ifc.disc()
+        if self.local.stream:
+            self.local.stream.shutdown_started = shutdown_started
+        if self.local.ifc:
+            await self.local.ifc.disc()
+
+    def healthy(self) -> bool:
+        logging.debug('InverterBase healthy()')
+
+        if self.local.ifc and not self.local.ifc.healthy():
+            return False
+        if self.remote.ifc and not self.remote.ifc.healthy():
+            return False
+        return True
+
+    async def create_remote(self) -> None:
+        '''Establish a client connection to the TSUN cloud'''
+
+        tsun = Config.get(self.config_id)
+        host = tsun['host']
+        port = tsun['port']
+        addr = (host, port)
+        stream = self.local.stream
+
+        try:
+            logging.info(f'[{stream.node_id}] Connect to {addr}')
+            connect = asyncio.open_connection(host, port)
+            reader, writer = await connect
+            r_addr = writer.get_extra_info('peername')
+            if r_addr is not None:
+                (ip, _) = r_addr
+                if ip_address(ip).is_private:
+                    logging.error(
+                        f"""resolve {host} to {ip}, which is a private IP!
+\u001B[31m  Check your DNS settings and use a public DNS resolver!
+
+  To prevent a possible loop, forwarding to local IP addresses is
+  not supported and is deactivated for subsequent connections
+\u001B[0m
+""")
+                    Config.act_config[self.config_id]['enabled'] = False
+
+            ifc = AsyncStreamClient(
+                reader, writer, self.local,
+                self.__del_remote, self.use_emulation)
+
+            self.remote.ifc = ifc
+            if hasattr(stream, 'id_str'):
+                self.remote.stream = self.prot_class(
+                    self, addr, ifc, server_side=False,
+                    client_mode=False, id_str=stream.id_str)
+            else:
+                self.remote.stream = self.prot_class(
+                    self, addr, ifc, server_side=False,
+                    client_mode=False)
+
+            logging.info(f'[{self.remote.stream.node_id}:'
+                         f'{self.remote.stream.conn_no}] '
+                         f'Connected to {addr}')
+            asyncio.create_task(self.remote.ifc.client_loop(addr))
+
+        except (ConnectionRefusedError, TimeoutError) as error:
+            logging.info(f'{error}')
+        except Exception:
+            Infos.inc_counter('SW_Exception')
+            logging.error(
+                f"Inverter: Exception for {addr}:\n"
+                f"{traceback.format_exc()}")
+
+    async def async_publ_mqtt(self) -> None:
+        '''publish data to MQTT broker'''
+        stream = self.local.stream
+        if not stream or not stream.unique_id:
+            return
+        # check if new inverter or collector infos are available or when the
+        #  home assistant has changed the status back to online
+        try:
+            if (('inverter' in stream.new_data and stream.new_data['inverter'])
+                    or ('batterie' in stream.new_data and
+                        stream.new_data['batterie'])
+                    or ('collector' in stream.new_data and
+                        stream.new_data['collector'])
+                    or self.mqtt.ha_restarts != self.__ha_restarts):
+                await self._register_proxy_stat_home_assistant()
+                await self.__register_home_assistant(stream)
+                self.__ha_restarts = self.mqtt.ha_restarts
+
+            for key in stream.new_data:
+                await self.__async_publ_mqtt_packet(stream, key)
+            for key in Infos.new_stat_data:
+                await Proxy._async_publ_mqtt_proxy_stat(key)
+
+        except MqttCodeError as error:
+            logging.error(f'Mqtt except: {error}')
+        except Exception:
+            Infos.inc_counter('SW_Exception')
+            logging.error(
+                f"Inverter: Exception:\n"
+                f"{traceback.format_exc()}")
+
+    async def __async_publ_mqtt_packet(self, stream, key):
+        db = stream.db.db
+        if key in db and stream.new_data[key]:
+            data_json = json.dumps(db[key])
+            node_id = stream.node_id
+            logger_mqtt.debug(f'{key}: {data_json}')
+            await self.mqtt.publish(f'{self.entity_prfx}{node_id}{key}', data_json)  # noqa: E501
+            stream.new_data[key] = False
+
+    async def __register_home_assistant(self, stream) -> None:
+        '''register all our topics at home assistant'''
+        for data_json, component, node_id, id in stream.db.ha_confs(
+                self.entity_prfx, stream.node_id, stream.unique_id,
+                stream.sug_area):
+            logger_mqtt.debug(f"MQTT Register: cmp:'{component}'"
+                              f" node_id:'{node_id}' {data_json}")
+            await self.mqtt.publish(f"{self.discovery_prfx}{component}"
+                                    f"/{node_id}{id}/config", data_json)
+
+        stream.db.reg_clr_at_midnight(f'{self.entity_prfx}{stream.node_id}')

app/src/inverter_ifc.py

@@ -0,0 +1,37 @@
+from abc import abstractmethod
+import logging
+from asyncio import StreamReader, StreamWriter
+
+from iter_registry import AbstractIterMeta
+
+logger_mqtt = logging.getLogger('mqtt')
+
+
+class InverterIfc(metaclass=AbstractIterMeta):
+    _registry = []
+
+    @abstractmethod
+    def __init__(self, reader: StreamReader, writer: StreamWriter,
+                 config_id: str, prot_class,
+                 client_mode: bool):
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def __enter__(self):
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def __exit__(self, exc_type, exc, tb):
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def healthy(self) -> bool:
+        pass  # pragma: no cover
+
+    @abstractmethod
+    async def disc(self, shutdown_started=False) -> None:
+        pass  # pragma: no cover
+
+    @abstractmethod
+    async def create_remote(self) -> None:
+        pass  # pragma: no cover

app/src/iter_registry.py

@@ -0,0 +1,9 @@
+from abc import ABCMeta
+
+
+class AbstractIterMeta(ABCMeta):
+    def __iter__(cls):
+        for ref in cls._registry:
+            obj = ref()
+            if obj is not None:
+                yield obj

app/src/logging.ini

@@ -1,16 +1,15 @@
 [loggers]
-keys=root,tracer,mesg,conn,data,mqtt
+keys=root,tracer,mesg,conn,data,mqtt,asyncio,hypercorn_access,hypercorn_error
 
 [handlers]
-keys=console_handler,file_handler_name1,file_handler_name2
+keys=console_handler,file_handler_name1,file_handler_name2,file_handler_name3,dashboard
 
 [formatters]
 keys=console_formatter,file_formatter
 
 [logger_root]
 level=DEBUG
-handlers=console_handler,file_handler_name1
-
+handlers=console_handler,file_handler_name1,dashboard
 
 [logger_conn]
 level=DEBUG
@@ -20,10 +19,16 @@ qualname=conn
 
 [logger_mqtt]
 level=INFO
-handlers=console_handler,file_handler_name1
+handlers=console_handler,file_handler_name1,dashboard
 propagate=0
 qualname=mqtt
 
+[logger_asyncio]
+level=INFO
+handlers=console_handler,file_handler_name1,dashboard
+propagate=0
+qualname=asyncio
+
 [logger_data]
 level=DEBUG
 handlers=file_handler_name1
@@ -43,6 +48,18 @@ handlers=file_handler_name2
 propagate=0
 qualname=tracer
 
+[logger_hypercorn_access]
+level=INFO
+handlers=file_handler_name3
+propagate=0
+qualname=hypercorn.access
+
+[logger_hypercorn_error]
+level=INFO
+handlers=file_handler_name1,dashboard
+propagate=0
+qualname=hypercorn.error
+
 [handler_console_handler]
 class=StreamHandler
 level=DEBUG
@@ -52,19 +69,29 @@ formatter=console_formatter
 class=handlers.TimedRotatingFileHandler
 level=INFO
 formatter=file_formatter
-args=('log/proxy.log', when:='midnight')
+args=(handlers.log_path + 'proxy.log', when:='midnight', backupCount:=handlers.log_backups)
 
 [handler_file_handler_name2]
 class=handlers.TimedRotatingFileHandler
 level=NOTSET
 formatter=file_formatter
-args=('log/trace.log', when:='midnight')
+args=(handlers.log_path + 'trace.log', when:='midnight', backupCount:=handlers.log_backups)
+
+[handler_file_handler_name3]
+class=handlers.TimedRotatingFileHandler
+level=NOTSET
+formatter=file_formatter
+args=(handlers.log_path + 'access.log', when:='midnight', backupCount:=handlers.log_backups)
+
+[handler_dashboard]
+level=WARNING
+class=web.log_handler.LogHandler
 
 [formatter_console_formatter]
-format=%(asctime)s %(levelname)5s | %(name)4s | %(message)s'
-datefmt='%Y-%m-%d %H:%M:%S
+format=%(asctime)s %(levelname)5s | %(name)4s | %(message)s
+datefmt=%Y-%m-%d %H:%M:%S
 
 [formatter_file_formatter]
-format=%(asctime)s %(levelname)5s | %(name)4s | %(message)s'
-datefmt='%Y-%m-%d %H:%M:%S
+format=%(asctime)s %(levelname)5s | %(name)4s | %(message)s
+datefmt=%Y-%m-%d %H:%M:%S
 

app/src/messages.py

@@ -1,84 +1,137 @@
 import logging
 import weakref
 from typing import Callable
+from enum import Enum
 
-
-if __name__ == "app.src.messages":
-    from app.src.infos import Infos
-    from app.src.modbus import Modbus
-else:  # pragma: no cover
-    from infos import Infos
-    from modbus import Modbus
+from async_ifc import AsyncIfc
+from protocol_ifc import ProtocolIfc
+from infos import Infos, Register
+from modbus import Modbus
+from my_timer import Timer
 
 logger = logging.getLogger('msg')
 
 
-def hex_dump_memory(level, info, data, num):
+def __hex_val(n, data, data_len):
+    line = ''
+    for j in range(n-16, n):
+        if j >= data_len:
+            break
+        line += '%02x ' % abs(data[j])
+    return line
+
+
+def __asc_val(n, data, data_len):
+    line = ''
+    for j in range(n-16, n):
+        if j >= data_len:
+            break
+        c = data[j] if not (data[j] < 0x20 or data[j] > 0x7e) else '.'
+        line += '%c' % c
+    return line
+
+
+def hex_dump(data, data_len) -> list:
     n = 0
     lines = []
+
+    for i in range(0, data_len, 16):
+        line = '  '
+        line += '%04x | ' % (i)
+        n += 16
+        line += __hex_val(n, data, data_len)
+        line += ' ' * (3 * 16 + 9 - len(line)) + ' | '
+        line += __asc_val(n, data, data_len)
+        lines.append(line)
+
+    return lines
+
+
+def hex_dump_str(data, data_len):
+    lines = hex_dump(data, data_len)
+    return '\n'.join(lines)
+
+
+def hex_dump_memory(level, info, data, data_len):
+    lines = []
     lines.append(info)
     tracer = logging.getLogger('tracer')
     if not tracer.isEnabledFor(level):
         return
 
-    for i in range(0, num, 16):
-        line = '  '
-        line += '%04x | ' % (i)
-        n += 16
-
-        for j in range(n-16, n):
-            if j >= len(data):
-                break
-            line += '%02x ' % abs(data[j])
-
-        line += ' ' * (3 * 16 + 9 - len(line)) + ' | '
-
-        for j in range(n-16, n):
-            if j >= len(data):
-                break
-            c = data[j] if not (data[j] < 0x20 or data[j] > 0x7e) else '.'
-            line += '%c' % c
-
-        lines.append(line)
+    lines += hex_dump(data, data_len)
 
     tracer.log(level, '\n'.join(lines))
 
 
-class IterRegistry(type):
-    def __iter__(cls):
-        for ref in cls._registry:
-            obj = ref()
-            if obj is not None:
-                yield obj
+class State(Enum):
+    '''state of the logical connection'''
+    init = 0
+    '''just created'''
+    received = 1
+    '''at least one packet received'''
+    up = 2
+    '''at least one cmd-rsp transaction'''
+    pend = 3
+    '''inverter transaction pending, don't send MODBUS cmds'''
+    closed = 4
+    '''connection closed'''
 
 
-class Message(metaclass=IterRegistry):
-    _registry = []
-    STATE_INIT = 0
-    STATE_UP = 2
-    STATE_CLOSED = 3
+class Message(ProtocolIfc):
+    MAX_START_TIME = 400
+    '''maximum time without a received msg in sec'''
+    MAX_INV_IDLE_TIME = 120
+    '''maximum time without a received msg from the inverter in sec'''
+    MAX_DEF_IDLE_TIME = 360
+    '''maximum default time without a received msg in sec'''
+    MB_START_TIMEOUT = 40
+    '''start delay for Modbus polling in server mode'''
+    MB_REGULAR_TIMEOUT = 60
+    '''regular Modbus polling time in server mode'''
 
-    def __init__(self, server_side: bool, send_modbus_cb:
-                 Callable[[bytes, int, str], None], mb_timeout):
+    def __init__(self, node_id, ifc: "AsyncIfc", server_side: bool,
+                 send_modbus_cb: Callable[[bytes, int, str], None],
+                 mb_timeout: int):
         self._registry.append(weakref.ref(self))
 
         self.server_side = server_side
+        self.ifc = ifc
+        self.node_id = node_id
         if server_side:
             self.mb = Modbus(send_modbus_cb, mb_timeout)
+            self.mb_timer = Timer(self.mb_timout_cb, self.node_id)
         else:
             self.mb = None
-
+            self.mb_timer = None
         self.header_valid = False
         self.header_len = 0
         self.data_len = 0
         self.unique_id = 0
-        self.node_id = ''  # will be overwritten in the child class's __init__
+        self.inv_serial = ''
         self.sug_area = ''
-        self._recv_buffer = bytearray(0)
-        self._send_buffer = bytearray(0)
-        self._forward_buffer = bytearray(0)
         self.new_data = {}
-        self.state = self.STATE_INIT
+        self.state = State.init
+        self.shutdown_started = False
+        self.modbus_elms = 0    # for unit tests
+        self.mb_timeout = self.MB_REGULAR_TIMEOUT
+        self.mb_first_timeout = self.MB_START_TIMEOUT
+        '''timer value for next Modbus polling request'''
+        self.modbus_polling = False
+        self.mb_start_reg = 0
+        self.mb_step = 0
+        self.mb_bytes = 0
+        self.mb_inv_no = 1
+        self.mb_scan = False
+
+    @property
+    def node_id(self):
+        return self._node_id
+
+    @node_id.setter
+    def node_id(self, value):
+        self._node_id = value
+        self.ifc.set_node_id(value)
 
     '''
     Empty methods, that have to be implemented in any child class which
@@ -88,18 +141,108 @@ class Message(metaclass=IterRegistry):
         # to our _recv_buffer
         return  # pragma: no cover
 
-    def _update_header(self, _forward_buffer):
-        '''callback for updating the header of the forward buffer'''
-        return  # pragma: no cover
+    def _set_config_parms(self, inv: dict, inv_serial: str):
+        '''init connection with params from the configuration'''
+        self.inv_serial = inv_serial
+        self.node_id = inv['node_id']
+        self.sug_area = inv['suggested_area']
+        self.modbus_polling = inv['modbus_polling']
+        if 'modbus_scanning' in inv:
+            scan = inv['modbus_scanning']
+            self.mb_scan = True
+            self.mb_start_reg = scan['start']
+            self.mb_step = scan['step']
+            self.mb_bytes = scan['bytes']
+            if 'client_mode' in inv:
+                self.mb_start_reg = scan['start']
+            else:
+                self.mb_start_reg = scan['start'] - scan['step']
+                self.mb_start_reg &= 0xffff
+        if self.mb:
+            self.mb.set_node_id(self.node_id)
+
+    def _set_mqtt_timestamp(self, key, ts: float | None):
+        if key not in self.new_data or \
+           not self.new_data[key]:
+            if key == 'grid':
+                info_id = Register.TS_GRID
+            elif key == 'input':
+                info_id = Register.TS_INPUT
+            elif key == 'total':
+                info_id = Register.TS_TOTAL
+            else:
+                return
+            # tstr = time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(ts))
+            # logger.info(f'update: key: {key} ts:{tstr}'
+            self.db.set_db_def_value(info_id, round(ts))
+
+    def _timeout(self) -> int:
+        if self.state == State.init or self.state == State.received:
+            to = self.MAX_START_TIME
+        elif self.state == State.up and \
+                self.server_side and self.modbus_polling:
+            to = self.MAX_INV_IDLE_TIME
+        else:
+            to = self.MAX_DEF_IDLE_TIME
+        return to
+
+    def _send_modbus_cmd(self, dev_id, func, addr, val, log_lvl) -> None:
+        if self.state != State.up:
+            logger.log(log_lvl, f'[{self.node_id}] ignore MODBUS cmd,'
+                       ' as the state is not UP')
+            return
+        self.mb.build_msg(dev_id, func, addr, val, log_lvl)
+
+    async def send_modbus_cmd(self, func, addr, val, log_lvl) -> None:
+        self._send_modbus_cmd(Modbus.INV_ADDR, func, addr, val, log_lvl)
+
+    def _send_modbus_scan(self):
+        self.mb_start_reg += self.mb_step
+        if self.mb_start_reg > 0xffff:
+            self.mb_start_reg = self.mb_start_reg & 0xffff
+            self.mb_inv_no += 1
+            logging.info(f"Next Round: inv:{self.mb_inv_no}"
+                         f" reg:{self.mb_start_reg:04x}")
+        if (self.mb_start_reg & 0xfffc) % 0x80 == 0:
+            logging.info(f"[{self.node_id}] Scan info: "
+                         f"inv:{self.mb_inv_no}"
+                         f" reg:{self.mb_start_reg:04x}")
+        self._send_modbus_cmd(self.mb_inv_no, Modbus.READ_REGS,
+                              self.mb_start_reg, self.mb_bytes,
+                              logging.INFO)
+
+    def _dump_modbus_scan(self, data, hdr_len, modbus_msg_len):
+        if (data[hdr_len] == self.mb_inv_no and
+                data[hdr_len+1] == Modbus.READ_REGS):
+            logging.info(f'[{self.node_id}] Valid MODBUS data '
+                         f'(reg: 0x{self.mb.last_reg:04x}):')
+            hex_dump_memory(logging.INFO, 'Valid MODBUS data '
+                            f'(reg: 0x{self.mb.last_reg:04x}):',
+                            data[hdr_len:], modbus_msg_len)
 
     '''
     Our puplic methods
     '''
     def close(self) -> None:
+        if self.server_side:
+            # set inverter state to offline, if output power is very low
+            logging.debug('close power: '
+                          f'{self.db.get_db_value(Register.OUTPUT_POWER, -1)}')
+            if self.db.get_db_value(Register.OUTPUT_POWER, 999) < 2:
+                self.db.set_db_def_value(Register.INVERTER_STATUS, 0)
+                self.new_data['env'] = True
+            self.mb_timer.close()
+        self.state = State.closed
+        self.ifc.rx_set_cb(None)
+        self.ifc.prot_set_timeout_cb(None)
+        self.ifc.prot_set_init_new_client_conn_cb(None)
+        self.ifc.prot_set_update_header_cb(None)
+        self.ifc = None
+
         if self.mb:
-            del self.mb
+            self.mb.close()
             self.mb = None
-        pass  # pragma: no cover
+        # pragma: no cover
 
     def inc_counter(self, counter: str) -> None:
         self.db.inc_counter(counter)

app/src/modbus.py

@@ -16,10 +16,7 @@ import logging
 import asyncio
 from typing import Generator, Callable
 
-if __name__ == "app.src.modbus":
-    from app.src.infos import Register
-else:  # pragma: no cover
-    from infos import Register
+from infos import Register, Fmt
 
 logger = logging.getLogger('data')
 
@@ -39,14 +36,69 @@ class Modbus():
     '''Modbus function code: Write Single Register'''
 
     __crc_tab = []
-    map = {
-        0x2007: {'reg': Register.MAX_DESIGNED_POWER,   'fmt': '!H', 'ratio':  1},  # noqa: E501
-        # 0x????: {'reg': Register.INVERTER_STATUS,      'fmt': '!H'},                 # noqa: E501
-        0x3008: {'reg': Register.VERSION,              'fmt': '!H', 'eval': "f'V{(result>>12)}.{(result>>8)&0xf}.{(result>>4)&0xf}{result&0xf}'"},  # noqa: E501
+    mb_reg_mapping = {
+        0x0000: {'reg': Register.SERIAL_NUMBER,        'fmt': '!16s'},               # noqa: E501
+        0x0008: {'reg': Register.BATT_PV1_VOLT,        'fmt': '!H', 'ratio': 0.01},  # noqa: E501, PV1 voltage
+        0x0009: {'reg': Register.BATT_PV1_CUR,         'fmt': '!H', 'ratio': 0.01},  # noqa: E501, PV1 current
+        0x000a: {'reg': Register.BATT_PV2_VOLT,        'fmt': '!H', 'ratio': 0.01},  # noqa: E501, PV2 voltage
+        0x000b: {'reg': Register.BATT_PV2_CUR,         'fmt': '!H', 'ratio': 0.01},  # noqa: E501, PV2 current
+        0x000c: {'reg': Register.BATT_TOTAL_CHARG,     'fmt': '!L', 'ratio': 0.01},  # noqa: E501
+        0x000e: {'reg': Register.BATT_PV1_STATUS,      'fmt': '!H'},                 # noqa: E501
+        0x000f: {'reg': Register.BATT_PV2_STATUS,      'fmt': '!H'},                 # noqa: E501
+        0x0010: {'reg': Register.BATT_VOLT,            'fmt': '!h', 'ratio': 0.01},  # noqa: E501
+        0x0011: {'reg': Register.BATT_CUR,             'fmt': '!h', 'ratio': 0.01},  # noqa: E501
+        0x0012: {'reg': Register.BATT_SOC,             'fmt': '!H', 'ratio': 0.01},  # noqa: E501, state of charge (SOC) in percent
+        0x0013: {'reg': Register.BATT_CELL1_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0014: {'reg': Register.BATT_CELL2_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0015: {'reg': Register.BATT_CELL3_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0016: {'reg': Register.BATT_CELL4_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0017: {'reg': Register.BATT_CELL5_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0018: {'reg': Register.BATT_CELL6_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0019: {'reg': Register.BATT_CELL7_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x001a: {'reg': Register.BATT_CELL8_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x001b: {'reg': Register.BATT_CELL9_VOLT,      'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x001c: {'reg': Register.BATT_CELL10_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x001d: {'reg': Register.BATT_CELL11_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x001e: {'reg': Register.BATT_CELL12_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x001f: {'reg': Register.BATT_CELL13_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0020: {'reg': Register.BATT_CELL14_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0021: {'reg': Register.BATT_CELL15_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0022: {'reg': Register.BATT_CELL16_VOLT,     'fmt': '!H', 'ratio': 0.001},  # noqa: E501
+        0x0023: {'reg': Register.BATT_TEMP_1,          'fmt': '!h'},                 # noqa: E501
+        0x0024: {'reg': Register.BATT_TEMP_2,          'fmt': '!h'},                 # noqa: E501
+        0x0025: {'reg': Register.BATT_TEMP_3,          'fmt': '!h'},                 # noqa: E501
+        0x0026: {'reg': Register.BATT_OUT_VOLT,        'fmt': '!H', 'ratio': 0.01},  # noqa: E501
+        0x0027: {'reg': Register.BATT_OUT_CUR,         'fmt': '!H', 'ratio': 0.01},  # noqa: E501
+        0x0028: {'reg': Register.BATT_OUT_STATUS,      'fmt': '!H'},                 # noqa: E501
+        0x0029: {'reg': Register.BATT_TEMP_4,          'fmt': '!h'},                 # noqa: E501
+        0x002a: {'reg': Register.BATT_ALARM,           'fmt': '!h'},                 # noqa: E501
+        0x002b: {'reg': Register.BATT_HW_VERS,         'fmt': '!h'},                 # noqa: E501
+        0x002c: {'reg': Register.BATT_SW_VERS,         'fmt': '!h'},                 # noqa: E501
+
+        0x2000: {'reg': Register.BOOT_STATUS,          'fmt': '!H'},                 # noqa: E501
+        0x2001: {'reg': Register.DSP_STATUS,           'fmt': '!H'},                 # noqa: E501
+        0x2003: {'reg': Register.WORK_MODE,            'fmt': '!H'},
+        0x2006: {'reg': Register.OUTPUT_SHUTDOWN,      'fmt': '!H'},
+        0x2007: {'reg': Register.MAX_DESIGNED_POWER,   'fmt': '!H', 'ratio':  1},    # noqa: E501
+        0x2008: {'reg': Register.RATED_LEVEL,          'fmt': '!H'},
+        0x2009: {'reg': Register.INPUT_COEFFICIENT,    'fmt': '!H', 'ratio':  100/1024},  # noqa: E501
+        0x200a: {'reg': Register.GRID_VOLT_CAL_COEF,   'fmt': '!H'},
+        0x2010: {'reg': Register.PROD_COMPL_TYPE,      'fmt': '!H'},
+        0x202c: {'reg': Register.OUTPUT_COEFFICIENT,   'fmt': '!H', 'ratio':  100/1024},  # noqa: E501
+
+        0x3000: {'reg': Register.INVERTER_STATUS,      'fmt': '!H'},                 # noqa: E501
+        0x3001: {'reg': Register.DETECT_STATUS_1,      'fmt': '!H'},                 # noqa: E501
+        0x3002: {'reg': Register.DETECT_STATUS_2,      'fmt': '!H'},                 # noqa: E501
+        0x3003: {'reg': Register.EVENT_ALARM,          'fmt': '!H'},                 # noqa: E501
+        0x3004: {'reg': Register.EVENT_FAULT,          'fmt': '!H'},                 # noqa: E501
+        0x3005: {'reg': Register.EVENT_BF1,            'fmt': '!H'},                 # noqa: E501
+        0x3006: {'reg': Register.EVENT_BF2,            'fmt': '!H'},                 # noqa: E501
+
+        0x3008: {'reg': Register.VERSION,              'fmt': '!H', 'func': Fmt.version},  # noqa: E501
         0x3009: {'reg': Register.GRID_VOLTAGE,         'fmt': '!H', 'ratio':  0.1},  # noqa: E501
         0x300a: {'reg': Register.GRID_CURRENT,         'fmt': '!H', 'ratio': 0.01},  # noqa: E501
         0x300b: {'reg': Register.GRID_FREQUENCY,       'fmt': '!H', 'ratio': 0.01},  # noqa: E501
-        0x300c: {'reg': Register.INVERTER_TEMP,        'fmt': '!H', 'eval': 'result-40'},  # noqa: E501
+        0x300c: {'reg': Register.INVERTER_TEMP,        'fmt': '!H', 'offset': -40},  # noqa: E501
         # 0x300d
         0x300e: {'reg': Register.RATED_POWER,          'fmt': '!H', 'ratio':    1},  # noqa: E501
         0x300f: {'reg': Register.OUTPUT_POWER,         'fmt': '!H', 'ratio':  0.1},  # noqa: E501
@@ -72,6 +124,7 @@ class Modbus():
         0x3026: {'reg': Register.PV3_TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01},  # noqa: E501
         0x3028: {'reg': Register.PV4_DAILY_GENERATION, 'fmt': '!H', 'ratio': 0.01},  # noqa: E501
         0x3029: {'reg': Register.PV4_TOTAL_GENERATION, 'fmt': '!L', 'ratio': 0.01},  # noqa: E501
+        # 0x302a
     }
 
     def __init__(self, snd_handler: Callable[[bytes, int, str], None],
@@ -104,9 +157,19 @@ class Modbus():
         self.loop = asyncio.get_event_loop()
         self.req_pend = False
         self.tim = None
+        self.node_id = ''
 
-    def __del__(self):
-        logging.debug(f'Modbus __del__:\n {self.counter}')
+    def close(self):
+        """free the queue and erase the callback handlers"""
+        logging.debug('Modbus close:')
+        self.__stop_timer()
+        self.rsp_handler = None
+        self.snd_handler = None
+        while not self.que.empty():
+            self.que.get_nowait()
+
+    def set_node_id(self, node_id: str):
+        self.node_id = node_id
 
     def build_msg(self, addr: int, func: int, reg: int, val: int,
                   log_lvl=logging.DEBUG) -> None:
@@ -126,7 +189,7 @@ class Modbus():
         if self.que.qsize() == 1:
             self.__send_next_from_que()
 
-    def recv_req(self, buf: bytearray,
+    def recv_req(self, buf: bytes,
                  rsp_handler: Callable[[None], None] = None) -> bool:
         """Add the received Modbus RTU request to the tx queue
 
@@ -151,14 +214,13 @@ class Modbus():
 
         return True
 
-    def recv_resp(self, info_db, buf: bytearray, node_id: str) -> \
+    def recv_resp(self, info_db, buf: bytes) -> \
             Generator[tuple[str, bool, int | float | str], None, None]:
         """Generator which check and parse a received MODBUS response.
 
         Keyword arguments:
             info_db: database for info lockups
             buf: received Modbus RTU response frame
-            node_id: string for logging which identifies the slave
 
         Returns on error and set Self.err to:
             1: CRC error
@@ -168,58 +230,19 @@ class Modbus():
             5: No MODBUS request pending
         """
         # logging.info(f'recv_resp: first byte modbus:{buf[0]} len:{len(buf)}')
-        if not self.req_pend:
-            self.err = 5
-            return
-        if not self.__check_crc(buf):
-            logger.error(f'[{node_id}] Modbus resp: CRC error')
-            self.err = 1
-            return
-        if buf[0] != self.last_addr:
-            logger.info(f'[{node_id}] Modbus resp: Wrong addr {buf[0]}')
-            self.err = 2
-            return
+
         fcode = buf[1]
-        if fcode != self.last_fcode:
-            logger.info(f'[{node_id}] Modbus: Wrong fcode {fcode}'
-                        f' != {self.last_fcode}')
-            self.err = 3
+        data_available = self.last_addr == self.INV_ADDR and \
+            (fcode == 3 or fcode == 4)
+
+        if self.__resp_error_check(buf, data_available):
             return
-        if self.last_addr == self.INV_ADDR and \
-                (fcode == 3 or fcode == 4):
+
+        if data_available:
             elmlen = buf[2] >> 1
-            if elmlen != self.last_len:
-                logger.info(f'[{node_id}] Modbus: len error {elmlen}'
-                            f' != {self.last_len}')
-                self.err = 4
-                return
             first_reg = self.last_reg  # save last_reg before sending next pdu
             self.__stop_timer()          # stop timer and send next pdu
-
-            for i in range(0, elmlen):
-                addr = first_reg+i
-                if addr in self.map:
-                    row = self.map[addr]
-                    info_id = row['reg']
-                    fmt = row['fmt']
-                    val = struct.unpack_from(fmt, buf, 3+2*i)
-                    result = val[0]
-
-                    if 'eval' in row:
-                        result = eval(row['eval'])
-                    if 'ratio' in row:
-                        result = round(result * row['ratio'], 2)
-
-                    keys, level, unit, must_incr = info_db._key_obj(info_id)
-
-                    if keys:
-                        name, update = info_db.update_db(keys, must_incr,
-                                                         result)
-                        yield keys[0], update, result
-                        if update:
-                            info_db.tracer.log(level,
-                                               f'[{node_id}] MODBUS: {name}'
-                                               f' : {result}{unit}')
+            yield from self.__process_data(info_db, buf, first_reg, elmlen)
         else:
             self.__stop_timer()
 
@@ -228,6 +251,53 @@ class Modbus():
             self.rsp_handler()
         self.__send_next_from_que()
 
+    def __resp_error_check(self, buf: bytes, data_available: bool) -> bool:
+        '''Check the MODBUS response for errors, returns True if one accure'''
+        if not self.req_pend:
+            self.err = 5
+            return True
+        if not self.__check_crc(buf):
+            logger.error(f'[{self.node_id}] Modbus resp: CRC error')
+            self.err = 1
+            return True
+        if buf[0] != self.last_addr:
+            logger.info(f'[{self.node_id}] Modbus resp: Wrong addr {buf[0]}')
+            self.err = 2
+            return True
+        fcode = buf[1]
+        if fcode != self.last_fcode:
+            logger.info(f'[{self.node_id}] Modbus: Wrong fcode {fcode}'
+                        f' != {self.last_fcode}')
+            self.err = 3
+            return True
+        if data_available:
+            elmlen = buf[2] >> 1
+            if elmlen != self.last_len:
+                logger.info(f'[{self.node_id}] Modbus: len error {elmlen}'
+                            f' != {self.last_len}')
+                self.err = 4
+                return True
+
+        return False
+
+    def __process_data(self, info_db, buf: bytes, first_reg, elmlen):
+        '''Generator over received registers, updates the db'''
+        for i in range(0, elmlen):
+            addr = first_reg+i
+            if addr in self.mb_reg_mapping:
+                row = self.mb_reg_mapping[addr]
+                info_id = row['reg']
+                keys, level, unit, must_incr = info_db._key_obj(info_id)
+                if keys:
+                    result = Fmt.get_value(buf, 3+2*i, row)
+                    name, update = info_db.update_db(keys, must_incr,
+                                                     result)
+                    yield keys[0], update, result
+                    if update:
+                        info_db.tracer.log(level,
+                                           f'[{self.node_id}] MODBUS: {name}'
+                                           f' : {result}{unit}')
+
     '''
     MODBUS response timer
     '''
@@ -243,6 +313,7 @@ class Modbus():
         # logging.debug(f'Modbus stop timer {self}')
         if self.tim:
             self.tim.cancel()
+            self.tim = None
 
     def __timeout_cb(self) -> None:
         '''Rsponse timeout handler retransmit pdu or send next pdu'''
@@ -254,7 +325,10 @@ class Modbus():
             self.__start_timer()
             self.snd_handler(self.last_req, self.last_log_lvl, state='Retrans')
         else:
-            logger.info(f'Modbus timeout {self}')
+            logger.info(f'[{self.node_id}] Modbus timeout '
+                        f'(FCode: {self.last_fcode} '
+                        f'Reg: 0x{self.last_reg:04x}, '
+                        f'{self.last_len})')
             self.counter['timeouts'] += 1
             self.__send_next_from_que()
 
@@ -283,11 +357,11 @@ class Modbus():
     '''
     Helper function for CRC-16 handling
     '''
-    def __check_crc(self, msg: bytearray) -> bool:
+    def __check_crc(self, msg: bytes) -> bool:
         '''Check CRC-16 and returns True if valid'''
         return 0 == self.__calc_crc(msg)
 
-    def __calc_crc(self, buffer: bytearray) -> int:
+    def __calc_crc(self, buffer: bytes) -> int:
         '''Build CRC-16 for buffer and returns it'''
         crc = CRC_INIT
 

app/src/modbus_tcp.py

@@ -0,0 +1,92 @@
+import logging
+import traceback
+import asyncio
+from itertools import chain
+
+from cnf.config import Config
+from gen3plus.inverter_g3p import InverterG3P
+from infos import Infos
+
+logger = logging.getLogger('conn')
+
+
+class ModbusConn():
+    def __init__(self, host, port):
+        self.host = host
+        self.port = port
+        self.addr = (host, port)
+        self.inverter = None
+
+    async def __aenter__(self) -> 'InverterG3P':
+        '''Establish a client connection to the TSUN cloud'''
+        connection = asyncio.open_connection(self.host, self.port)
+        reader, writer = await connection
+        self.inverter = InverterG3P(reader, writer,
+                                    client_mode=True)
+        self.inverter.__enter__()
+        stream = self.inverter.local.stream
+        logging.info(f'[{stream.node_id}:{stream.conn_no}] '
+                     f'Connected to {self.addr}')
+        Infos.inc_counter('Inverter_Cnt')
+        Infos.inc_counter('ClientMode_Cnt')
+        await self.inverter.local.ifc.publish_outstanding_mqtt()
+        return self.inverter
+
+    async def __aexit__(self, exc_type, exc, tb):
+        Infos.dec_counter('ClientMode_Cnt')
+        Infos.dec_counter('Inverter_Cnt')
+        await self.inverter.local.ifc.publish_outstanding_mqtt()
+        self.inverter.__exit__(exc_type, exc, tb)
+
+
+class ModbusTcp():
+
+    def __init__(self, loop, tim_restart=10) -> None:
+        self.tim_restart = tim_restart
+
+        inverters = Config.get('inverters')
+        batteries = Config.get('batteries')
+        # logging.info(f'Inverters: {inverters}')
+
+        for _, inv in chain(inverters.items(), batteries.items()):
+            if (type(inv) is dict
+               and 'monitor_sn' in inv
+               and 'client_mode' in inv):
+                client = inv['client_mode']
+                logger.info(f"'client_mode' for Monitoring-SN: {inv['monitor_sn']} host: {client['host']}:{client['port']}, forward: {client['forward']}")  # noqa: E501
+                loop.create_task(self.modbus_loop(client['host'],
+                                                  client['port'],
+                                                  inv['monitor_sn'],
+                                                  client['forward']))
+
+    async def modbus_loop(self, host, port,
+                          snr: int, forward: bool) -> None:
+        '''Loop for receiving messages from the TSUN cloud (client-side)'''
+        while True:
+            try:
+                async with ModbusConn(host, port) as inverter:
+                    stream = inverter.local.stream
+                    await stream.send_start_cmd(snr, host, forward)
+                    await stream.ifc.loop()
+                    logger.info(f'[{stream.node_id}:{stream.conn_no}] '
+                                f'Connection closed - Shutdown: '
+                                f'{stream.shutdown_started}')
+                    if stream.shutdown_started:
+                        return
+                del inverter  # decrease ref counter after the with block
+
+            except (ConnectionRefusedError, TimeoutError) as error:
+                logging.debug(f'Inv-conn:{error}')
+
+            except OSError as error:
+                if error.errno == 113:  # pragma: no cover
+                    logging.debug(f'os-error:{error}')
+                else:
+                    logging.info(f'os-error: {error}')
+
+            except Exception:
+                logging.error(
+                    f"ModbusTcpCreate: Exception for {(host, port)}:\n"
+                    f"{traceback.format_exc()}")
+
+            await asyncio.sleep(self.tim_restart)

app/src/mqtt.py

@@ -2,26 +2,40 @@ import asyncio
 import logging
 import aiomqtt
 import traceback
+
 from modbus import Modbus
 from messages import Message
-from config import Config
+from cnf.config import Config
 from singleton import Singleton
+from datetime import datetime
+
 
 logger_mqtt = logging.getLogger('mqtt')
 
 
 class Mqtt(metaclass=Singleton):
-    __client = None
-    __cb_MqttIsUp = None
+    __client: aiomqtt.Client = None
+    __cb_mqtt_is_up = None
+    ctime = None
+    published: int = 0
+    received: int = 0
 
-    def __init__(self, cb_MqttIsUp):
+    def __init__(self, cb_mqtt_is_up):
         logger_mqtt.debug('MQTT: __init__')
-        if cb_MqttIsUp:
-            self.__cb_MqttIsUp = cb_MqttIsUp
+        if cb_mqtt_is_up:
+            self.__cb_mqtt_is_up = cb_mqtt_is_up
         loop = asyncio.get_event_loop()
         self.task = loop.create_task(self.__loop())
         self.ha_restarts = 0
 
+        ha = Config.get('ha')
+        self.ha_status_topic = f"{ha['auto_conf_prefix']}/status"
+        self.mb_rated_topic = f"{ha['entity_prefix']}/+/rated_load"
+        self.mb_out_coeff_topic = f"{ha['entity_prefix']}/+/out_coeff"
+        self.mb_reads_topic = f"{ha['entity_prefix']}/+/modbus_read_regs"
+        self.mb_inputs_topic = f"{ha['entity_prefix']}/+/modbus_read_inputs"
+        self.mb_at_cmd_topic = f"{ha['entity_prefix']}/+/at_cmd"
+
     @property
     def ha_restarts(self):
         return self._ha_restarts
@@ -30,25 +44,23 @@ class Mqtt(metaclass=Singleton):
     def ha_restarts(self, value):
         self._ha_restarts = value
 
-    def __del__(self):
-        logger_mqtt.debug('MQTT: __del__')
-
     async def close(self) -> None:
         logger_mqtt.debug('MQTT: close')
         self.task.cancel()
         try:
             await self.task
-        except Exception as e:
+
+        except (asyncio.CancelledError, Exception) as e:
             logging.debug(f"Mqtt.close: exception: {e} ...")
 
     async def publish(self, topic: str, payload: str | bytes | bytearray
                       | int | float | None = None) -> None:
         if self.__client:
             await self.__client.publish(topic, payload)
+            self.published += 1
 
     async def __loop(self) -> None:
         mqtt = Config.get('mqtt')
-        ha = Config.get('ha')
         logger_mqtt.info(f'start MQTT: host:{mqtt["host"]}  port:'
                          f'{mqtt["port"]}  '
                          f'user:{mqtt["user"]}')
@@ -58,53 +70,31 @@ class Mqtt(metaclass=Singleton):
                                        password=mqtt['passwd'])
 
         interval = 5  # Seconds
-        ha_status_topic = f"{ha['auto_conf_prefix']}/status"
-        mb_rated_topic = "tsun/+/rated_load"  # fixme
-        mb_reads_topic = "tsun/+/modbus_read_regs"  # fixme
-        mb_inputs_topic = "tsun/+/modbus_read_inputs"  # fixme
-        mb_at_cmd_topic = "tsun/+/at_cmd"  # fixme
 
         while True:
             try:
                 async with self.__client:
                     logger_mqtt.info('MQTT broker connection established')
+                    self.ctime = datetime.now()
+                    self.published = 0
+                    self.received = 0
 
-                    if self.__cb_MqttIsUp:
-                        await self.__cb_MqttIsUp()
+                    if self.__cb_mqtt_is_up:
+                        await self.__cb_mqtt_is_up()
 
-                    # async with self.__client.messages() as messages:
-                    await self.__client.subscribe(ha_status_topic)
-                    await self.__client.subscribe(mb_rated_topic)
-                    await self.__client.subscribe(mb_reads_topic)
-                    await self.__client.subscribe(mb_inputs_topic)
-                    await self.__client.subscribe(mb_at_cmd_topic)
+                    await self.__client.subscribe(self.ha_status_topic)
+                    await self.__client.subscribe(self.mb_rated_topic)
+                    await self.__client.subscribe(self.mb_out_coeff_topic)
+                    await self.__client.subscribe(self.mb_reads_topic)
+                    await self.__client.subscribe(self.mb_inputs_topic)
+                    await self.__client.subscribe(self.mb_at_cmd_topic)
 
                     async for message in self.__client.messages:
-                        if message.topic.matches(ha_status_topic):
-                            status = message.payload.decode("UTF-8")
-                            logger_mqtt.info('Home-Assistant Status:'
-                                             f' {status}')
-                            if status == 'online':
-                                self.ha_restarts += 1
-                                await self.__cb_MqttIsUp()
-
-                        if message.topic.matches(mb_rated_topic):
-                            await self.modbus_cmd(message,
-                                                  Modbus.WRITE_SINGLE_REG,
-                                                  1, 0x2008)
-
-                        if message.topic.matches(mb_reads_topic):
-                            await self.modbus_cmd(message,
-                                                  Modbus.READ_REGS, 2)
-
-                        if message.topic.matches(mb_inputs_topic):
-                            await self.modbus_cmd(message,
-                                                  Modbus.READ_INPUTS, 2)
-
-                        if message.topic.matches(mb_at_cmd_topic):
-                            await self.at_cmd(message)
+                        await self.dispatch_msg(message)
 
             except aiomqtt.MqttError:
+                self.ctime = None
+
                 if Config.is_default('mqtt'):
                     logger_mqtt.info(
                         "MQTT is unconfigured; Check your config.toml!")
@@ -122,50 +112,83 @@ class Mqtt(metaclass=Singleton):
                 return
             except Exception:
                 # self.inc_counter('SW_Exception')   # fixme
+                self.ctime = None
                 logger_mqtt.error(
                     f"Exception:\n"
                     f"{traceback.format_exc()}")
 
+    async def dispatch_msg(self, message):
+        self.received += 1
+
+        if message.topic.matches(self.ha_status_topic):
+            status = message.payload.decode("UTF-8")
+            logger_mqtt.info('Home-Assistant Status:'
+                             f' {status}')
+            if status == 'online':
+                self.ha_restarts += 1
+                await self.__cb_mqtt_is_up()
+
+        if message.topic.matches(self.mb_rated_topic):
+            await self.modbus_cmd(message,
+                                  Modbus.WRITE_SINGLE_REG,
+                                  1, 0x2008)
+
+        if message.topic.matches(self.mb_out_coeff_topic):
+            payload = message.payload.decode("UTF-8")
+            try:
+                val = round(float(payload) * 1024/100)
+                if val < 0 or val > 1024:
+                    logger_mqtt.error('out_coeff: value must be in'
+                                      'the range 0..100,'
+                                      f' got: {payload}')
+                else:
+                    await self.modbus_cmd(message,
+                                          Modbus.WRITE_SINGLE_REG,
+                                          0, 0x202c, val)
+            except Exception:
+                pass
+
+        if message.topic.matches(self.mb_reads_topic):
+            await self.modbus_cmd(message,
+                                  Modbus.READ_REGS, 2)
+
+        if message.topic.matches(self.mb_inputs_topic):
+            await self.modbus_cmd(message,
+                                  Modbus.READ_INPUTS, 2)
+
+        if message.topic.matches(self.mb_at_cmd_topic):
+            await self.at_cmd(message)
+
     def each_inverter(self, message, func_name: str):
         topic = str(message.topic)
         node_id = topic.split('/')[1] + '/'
-        found = False
         for m in Message:
             if m.server_side and (m.node_id == node_id):
-                found = True
                 logger_mqtt.debug(f'Found: {node_id}')
                 fnc = getattr(m, func_name, None)
                 if callable(fnc):
                     yield fnc
                 else:
                     logger_mqtt.warning(f'Cmd not supported by: {node_id}')
+                break
 
-        if not found:
+        else:
             logger_mqtt.warning(f'Node_id: {node_id} not found')
 
     async def modbus_cmd(self, message, func, params=0, addr=0, val=0):
-        topic = str(message.topic)
-        node_id = topic.split('/')[1] + '/'
-        # refactor into a loop over a table
         payload = message.payload.decode("UTF-8")
-        logger_mqtt.info(f'MODBUS via MQTT: {topic} = {payload}')
-        for m in Message:
-            if m.server_side and (m.node_id == node_id):
-                logger_mqtt.debug(f'Found: {node_id}')
-                fnc = getattr(m, "send_modbus_cmd", None)
-                res = payload.split(',')
-                if params != len(res):
-                    logger_mqtt.error(f'Parameter expected: {params}, '
-                                      f'got: {len(res)}')
-                    return
-
-                if callable(fnc):
-                    if params == 1:
-                        val = int(payload)
-                    elif params == 2:
-                        addr = int(res[0], base=16)
-                        val = int(res[1])  # lenght
-                    await fnc(func, addr, val, logging.INFO)
+        for fnc in self.each_inverter(message, "send_modbus_cmd"):
+            res = payload.split(',')
+            if params > 0 and params != len(res):
+                logger_mqtt.error(f'Parameter expected: {params}, '
+                                  f'got: {len(res)}')
+                return
+            if params == 1:
+                val = int(payload)
+            elif params == 2:
+                addr = int(res[0], base=16)
+                val = int(res[1])  # lenght
+            await fnc(func, addr, val, logging.INFO)
 
     async def at_cmd(self, message):
         payload = message.payload.decode("UTF-8")

app/src/my_timer.py

@@ -0,0 +1,35 @@
+import asyncio
+import logging
+from itertools import count
+
+
+class Timer:
+    def __init__(self, cb, id_str: str = ''):
+        self.__timeout_cb = cb
+        self.loop = asyncio.get_event_loop()
+        self.tim = None
+        self.id_str = id_str
+        self.exp_count = count(0)
+
+    def start(self, timeout: float) -> None:
+        '''Start timer with timeout seconds'''
+        if self.tim:
+            self.tim.cancel()
+        self.tim = self.loop.call_later(timeout, self.__timeout)
+        logging.debug(f'[{self.id_str}]Start timer')
+
+    def stop(self) -> None:
+        '''Stop timer'''
+        logging.debug(f'[{self.id_str}]Stop timer')
+        if self.tim:
+            self.tim.cancel()
+            self.tim = None
+
+    def __timeout(self) -> None:
+        '''timer expired handler'''
+        logging.debug(f'[{self.id_str}]Timer expired')
+        self.__timeout_cb(next(self.exp_count))
+
+    def close(self) -> None:
+        self.stop()
+        self.__timeout_cb = None

app/src/protocol_ifc.py

@@ -0,0 +1,17 @@
+from abc import abstractmethod
+
+from async_ifc import AsyncIfc
+from iter_registry import AbstractIterMeta
+
+
+class ProtocolIfc(metaclass=AbstractIterMeta):
+    _registry = []
+
+    @abstractmethod
+    def __init__(self, addr, ifc: "AsyncIfc", server_side: bool,
+                 client_mode: bool = False, id_str=b''):
+        pass  # pragma: no cover
+
+    @abstractmethod
+    def close(self):
+        pass  # pragma: no cover

app/src/proxy.py

@@ -1,18 +1,41 @@
 import asyncio
 import logging
 import json
-from config import Config
+from itertools import chain
+
+from cnf.config import Config
 from mqtt import Mqtt
 from infos import Infos
 
-# logger = logging.getLogger('conn')
 logger_mqtt = logging.getLogger('mqtt')
 
 
-class Inverter():
+class Proxy():
+    '''class Proxy is a baseclass
+
+    The class has some class method for managing common resources like a
+    connection to the MQTT broker or proxy error counter which are common
+    for all inverter connection
+
+    Instances of the class are connections to an inverter and can have an
+    optional link to an remote connection to the TSUN cloud. A remote
+    connection dies with the inverter connection.
+
+    class methods:
+        class_init():  initialize the common resources of the proxy (MQTT
+                       broker, Proxy DB, etc). Must be called before the
+                       first inverter instance can be created
+        class_close(): release the common resources of the proxy. Should not
+                       be called before any instances of the class are
+                       destroyed
+
+    methods:
+        create_remote(): Establish a client connection to the TSUN cloud
+        async_publ_mqtt(): Publish data to MQTT broker
+    '''
     @classmethod
     def class_init(cls) -> None:
-        logging.debug('Inverter.class_init')
+        logging.debug('Proxy.class_init')
         # initialize the proxy statistics
         Infos.static_init()
         cls.db_stat = Infos()
@@ -34,8 +57,9 @@ class Inverter():
         # reset at midnight when you restart the proxy just before
         # midnight!
         inverters = Config.get('inverters')
-        # logger.debug(f'Inverters: {inverters}')
-        for inv in inverters.values():
+        batteries = Config.get('batteries')
+        # logger.debug(f'Proxys: {inverters}')
+        for _, inv in chain(inverters.items(), batteries.items()):
             if (type(inv) is dict):
                 node_id = inv['node_id']
                 cls.db_stat.reg_clr_at_midnight(f'{cls.entity_prfx}{node_id}',
@@ -72,8 +96,8 @@ class Inverter():
             Infos.new_stat_data[key] = False
 
     @classmethod
-    def class_close(cls, loop) -> None:
-        logging.debug('Inverter.class_close')
+    async def class_close(cls, loop) -> None:   # pragma: no cover
+        logging.debug('Proxy.class_close')
         logging.info('Close MQTT Task')
-        loop.run_until_complete(cls.mqtt.close())
+        await cls.mqtt.close()
         cls.mqtt = None

app/src/scheduler.py

@@ -3,8 +3,6 @@ import json
 from mqtt import Mqtt
 from aiocron import crontab
 from infos import ClrAtMidnight
-from modbus import Modbus
-from messages import Message
 
 logger_mqtt = logging.getLogger('mqtt')
 
@@ -21,9 +19,6 @@ class Schedule:
 
         crontab('0 0 * * *', func=cls.atmidnight, start=True)
 
-        # every minute
-        crontab('* * * * *', func=cls.regular_modbus_cmds, start=True)
-
     @classmethod
     async def atmidnight(cls) -> None:
         '''Clear daily counters at midnight'''
@@ -33,15 +28,3 @@ class Schedule:
             logger_mqtt.debug(f'{key}: {data}')
             data_json = json.dumps(data)
             await cls.mqtt.publish(f"{key}", data_json)
-
-    @classmethod
-    async def regular_modbus_cmds(cls):
-        for m in Message:
-            if m.server_side:
-                fnc = getattr(m, "send_modbus_cmd", None)
-                if callable(fnc):
-                    await fnc(Modbus.READ_REGS, 0x3008, 21, logging.DEBUG)
-                    if 0 == (cls.count % 30):
-                        # logging.info("Regular Modbus Status request")
-                        await fnc(Modbus.READ_REGS, 0x2007, 2, logging.DEBUG)
-        cls.count += 1

app/src/server.py

@@ -1,123 +1,305 @@
 import logging
-import asyncio
-import signal
-import os
+import logging.handlers
 from logging import config  # noqa F401
-from messages import Message
-from inverter import Inverter
+import asyncio
+from asyncio import StreamReader, StreamWriter
+import os
+import argparse
+from quart import Quart, Response
+
+from cnf.config import Config
+from cnf.config_read_env import ConfigReadEnv
+from cnf.config_read_toml import ConfigReadToml
+from cnf.config_read_json import ConfigReadJson
+from web import Web
+from web.wrapper import url_for
+from proxy import Proxy
+from inverter_ifc import InverterIfc
 from gen3.inverter_g3 import InverterG3
 from gen3plus.inverter_g3p import InverterG3P
 from scheduler import Schedule
-from config import Config
+
+from modbus_tcp import ModbusTcp
 
 
-async def handle_client(reader, writer):
+class Server():
+    serv_name = ''
+    version = ''
+    src_dir = ''
+
+    ####
+    # The following default values are used for the unit tests only, since
+    # `Server.parse_args()' will not be called during test setup.
+    # Ofcorse, we can call `Server.parse_args()' in a test case explicitly
+    # to overwrite this values
+    config_path = './config/'
+    json_config = ''
+    toml_config = ''
+    trans_path = '../translations/'
+    rel_urls = False
+    log_path = './log/'
+    log_backups = 0
+    log_level = None
+
+    def __init__(self, app, parse_args: bool):
+        ''' Applikation Setup
+
+    1. Read cli arguments
+    2. Init the logging system by the ini file
+    3. Log the config parms
+    4. Set the log-levels
+    5. Read the build the config for the app
+    '''
+        self.serv_name = os.getenv('SERVICE_NAME', 'proxy')
+        self.version = os.getenv('VERSION', 'unknown')
+        self.src_dir = os.path.dirname(__file__) + '/'
+        if parse_args:   # pragma: no cover
+            self.parse_args(None)
+        self.init_logging_system()
+        self.build_config()
+
+        @app.context_processor
+        def utility_processor():
+            return dict(version=self.version)
+
+    def parse_args(self, arg_list: list[str] | None):
+        parser = argparse.ArgumentParser()
+        parser.add_argument('-c', '--config_path', type=str,
+                            default='./config/',
+                            help='set path for the configuration files')
+        parser.add_argument('-j', '--json_config', type=str,
+                            help='read user config from json-file')
+        parser.add_argument('-t', '--toml_config', type=str,
+                            help='read user config from toml-file')
+        parser.add_argument('-l', '--log_path', type=str,
+                            default='./log/',
+                            help='set path for the logging files')
+        parser.add_argument('-b', '--log_backups', type=int,
+                            default=0,
+                            help='set max number of daily log-files')
+        parser.add_argument('-tr', '--trans_path', type=str,
+                            default='../translations/',
+                            help='set path for the translations files')
+        parser.add_argument('-r', '--rel_urls', action="store_true",
+                            help='use relative dashboard urls')
+        args = parser.parse_args(arg_list)
+
+        self.config_path = args.config_path
+        self.json_config = args.json_config
+        self.toml_config = args.toml_config
+        self.trans_path = args.trans_path
+        self.rel_urls = args.rel_urls
+        self.log_path = args.log_path
+        self.log_backups = args.log_backups
+
+    def init_logging_system(self):
+        setattr(logging.handlers, "log_path", self.log_path)
+        setattr(logging.handlers, "log_backups", self.log_backups)
+        os.makedirs(self.log_path, exist_ok=True)
+
+        logging.config.fileConfig(self.src_dir + 'logging.ini')
+
+        logging.info(
+            f'Server "{self.serv_name} - {self.version}" will be started')
+        logging.info(f'current dir: {os.getcwd()}')
+        logging.info(f"config_path: {self.config_path}")
+        logging.info(f"json_config: {self.json_config}")
+        logging.info(f"toml_config: {self.toml_config}")
+        logging.info(f"trans_path:  {self.trans_path}")
+        logging.info(f"rel_urls:    {self.rel_urls}")
+        logging.info(f"log_path:    {self.log_path}")
+        if self.log_backups == 0:
+            logging.info("log_backups: unlimited")
+        else:
+            logging.info(f"log_backups: {self.log_backups} days")
+        self.log_level = self.get_log_level()
+        logging.info('******')
+        if self.log_level:
+            # set lowest-severity for 'root', 'msg', 'conn' and 'data' logger
+            logging.getLogger().setLevel(self.log_level)
+            logging.getLogger('msg').setLevel(self.log_level)
+            logging.getLogger('conn').setLevel(self.log_level)
+            logging.getLogger('data').setLevel(self.log_level)
+            logging.getLogger('tracer').setLevel(self.log_level)
+            logging.getLogger('asyncio').setLevel(self.log_level)
+            # logging.getLogger('mqtt').setLevel(self.log_level)
+
+    def build_config(self):
+        # read config file
+        Config.init(ConfigReadToml(self.src_dir + "cnf/default_config.toml"),
+                    log_path=self.log_path)
+        ConfigReadEnv()
+        ConfigReadJson(self.config_path + "config.json")
+        ConfigReadToml(self.config_path + "config.toml")
+        ConfigReadJson(self.json_config)
+        ConfigReadToml(self.toml_config)
+        config_err = Config.get_error()
+
+        if config_err is not None:
+            logging.info(f'config_err: {config_err}')
+            return
+
+        logging.info('******')
+
+    def get_log_level(self) -> int | None:
+        '''checks if LOG_LVL is set in the environment and returns the
+        corresponding logging.LOG_LEVEL'''
+        switch = {
+            'DEBUG': logging.DEBUG,
+            'WARN': logging.WARNING,
+            'INFO': logging.INFO,
+            'ERROR': logging.ERROR,
+        }
+        log_lvl = os.getenv('LOG_LVL', None)
+        logging.info(f"LOG_LVL    : {log_lvl}")
+
+        return switch.get(log_lvl, None)
+
+
+class ProxyState:
+    _is_up = False
+
+    @staticmethod
+    def is_up() -> bool:
+        return ProxyState._is_up
+
+    @staticmethod
+    def set_up(value: bool):
+        ProxyState._is_up = value
+
+
+class HypercornLogHndl:
+    access_hndl = []
+    error_hndl = []
+    must_fix = False
+    HYPERC_ERR = 'hypercorn.error'
+    HYPERC_ACC = 'hypercorn.access'
+
+    @classmethod
+    def save(cls):
+        cls.access_hndl = logging.getLogger(
+            cls.HYPERC_ACC).handlers
+        cls.error_hndl = logging.getLogger(
+            cls.HYPERC_ERR).handlers
+        cls.must_fix = True
+
+    @classmethod
+    def restore(cls):
+        if not cls.must_fix:
+            return
+        cls.must_fix = False
+        access_hndl = logging.getLogger(
+            cls.HYPERC_ACC).handlers
+        if access_hndl != cls.access_hndl:
+            print(' * Fix hypercorn.access setting')
+            logging.getLogger(
+                cls.HYPERC_ACC).handlers = cls.access_hndl
+
+        error_hndl = logging.getLogger(
+            cls.HYPERC_ERR).handlers
+        if error_hndl != cls.error_hndl:
+            print(' * Fix hypercorn.error setting')
+            logging.getLogger(
+                cls.HYPERC_ERR).handlers = cls.error_hndl
+
+
+app = Quart(__name__,
+            template_folder='web/templates',
+            static_folder='web/static')
+app.secret_key = 'JKLdks.dajlKKKdladkflKwolafallsdfl'
+app.jinja_env.globals.update(url_for=url_for)
+server = Server(app, __name__ == "__main__")
+Web(app, server.trans_path, server.rel_urls)
+
+
+@app.route('/-/ready')
+async def ready():
+    if ProxyState.is_up():
+        status = 200
+        text = 'Is ready'
+    else:
+        status = 503
+        text = 'Not ready'
+    return Response(status=status, response=text)
+
+
+@app.route('/-/healthy')
+async def healthy():
+
+    if ProxyState.is_up():
+        # logging.info('web reqeust healthy()')
+        for inverter in InverterIfc:
+            try:
+                res = inverter.healthy()
+                if not res:
+                    return Response(status=503, response="I have a problem")
+            except Exception as err:
+                logging.info(f'Exception:{err}')
+
+    return Response(status=200, response="I'm fine")
+
+
+async def handle_client(reader: StreamReader,
+                        writer: StreamWriter,
+                        inv_class):    # pragma: no cover
     '''Handles a new incoming connection and starts an async loop'''
 
-    addr = writer.get_extra_info('peername')
-    await InverterG3(reader, writer, addr).server_loop(addr)
+    with inv_class(reader, writer) as inv:
+        await inv.local.ifc.server_loop()
 
 
-async def handle_client_v2(reader, writer):
-    '''Handles a new incoming connection and starts an async loop'''
+@app.before_serving
+async def startup_app():    # pragma: no cover
+    HypercornLogHndl.save()
+    loop = asyncio.get_event_loop()
+    Proxy.class_init()
+    Schedule.start()
+    ModbusTcp(loop)
 
-    addr = writer.get_extra_info('peername')
-    await InverterG3P(reader, writer, addr).server_loop(addr)
+    for inv_class, port in [(InverterG3, 5005), (InverterG3P, 10000)]:
+        logging.info(f'listen on port: {port} for inverters')
+        loop.create_task(asyncio.start_server(lambda r, w, i=inv_class:
+                                              handle_client(r, w, i),
+                                              '0.0.0.0', port))
+    ProxyState.set_up(True)
 
 
-async def handle_shutdown(loop):
+@app.before_request
+async def startup_request():
+    HypercornLogHndl.restore()
+
+
+@app.after_serving
+async def handle_shutdown():   # pragma: no cover
     '''Close all TCP connections and stop the event loop'''
 
     logging.info('Shutdown due to SIGTERM')
+    loop = asyncio.get_event_loop()
+    ProxyState.set_up(False)
 
     #
     # first, disc all open TCP connections gracefully
     #
-    for stream in Message:
-        try:
-            await asyncio.wait_for(stream.disc(), 2)
-        except Exception:
-            pass
-    logging.info('Disconnecting done')
+    for inverter in InverterIfc:
+        await inverter.disc(True)
 
-    #
-    # second, close all open TCP connections
-    #
-    for stream in Message:
-        stream.close()
+    logging.info('Proxy disconnecting done')
 
-    #
-    # at last, we stop the loop
-    #
-    loop.stop()
-
-    logging.info('Shutdown complete')
+    await Proxy.class_close(loop)
 
 
-def get_log_level() -> int:
-    '''checks if LOG_LVL is set in the environment and returns the
-    corresponding logging.LOG_LEVEL'''
-    log_level = os.getenv('LOG_LVL', 'INFO')
-    if log_level == 'DEBUG':
-        log_level = logging.DEBUG
-    elif log_level == 'WARN':
-        log_level = logging.WARNING
-    else:
-        log_level = logging.INFO
-    return log_level
-
-
-if __name__ == "__main__":
-    #
-    # Setup our daily, rotating logger
-    #
-    serv_name = os.getenv('SERVICE_NAME', 'proxy')
-    version = os.getenv('VERSION', 'unknown')
-
-    logging.config.fileConfig('logging.ini')
-    logging.info(f'Server "{serv_name} - {version}" will be started')
-
-    # set lowest-severity for 'root', 'msg', 'conn' and 'data' logger
-    log_level = get_log_level()
-    logging.getLogger().setLevel(log_level)
-    logging.getLogger('msg').setLevel(log_level)
-    logging.getLogger('conn').setLevel(log_level)
-    logging.getLogger('data').setLevel(log_level)
-    logging.getLogger('tracer').setLevel(log_level)
-    # logging.getLogger('mqtt').setLevel(log_level)
-
-    # read config file
-    Config.class_init()
-
-    loop = asyncio.new_event_loop()
-    asyncio.set_event_loop(loop)
-
-    Inverter.class_init()
-    Schedule.start()
-
-    #
-    # Register some UNIX Signal handler for a gracefully server shutdown
-    # on Docker restart and stop
-    #
-    for signame in ('SIGINT', 'SIGTERM'):
-        loop.add_signal_handler(getattr(signal, signame),
-                                lambda loop=loop: asyncio.create_task(
-                                    handle_shutdown(loop)))
-
-    #
-    # Create taska for our listening servera. These must be tasks! If we call
-    # start_server directly out of our main task, the eventloop will be blocked
-    # and we can't receive and handle the UNIX signals!
-    #
-    loop.create_task(asyncio.start_server(handle_client, '0.0.0.0', 5005))
-    loop.create_task(asyncio.start_server(handle_client_v2, '0.0.0.0', 10000))
+if __name__ == "__main__":  # pragma: no cover
 
     try:
-        loop.run_forever()
+        logging.info("Start Quart")
+        app.run(host='0.0.0.0', port=8127, use_reloader=False,
+                debug=server.log_level == logging.DEBUG)
+        logging.info("Quart stopped")
+
     except KeyboardInterrupt:
         pass
+    except asyncio.exceptions.CancelledError:
+        logging.info("Quart cancelled")
+
     finally:
-        Inverter.class_close(loop)
-        logging.info('Close event loop')
-        loop.close()
-        logging.info(f'Finally, exit Server "{serv_name}"')
+        logging.info(f'Finally, exit Server "{server.serv_name}"')

app/src/singleton.py

@@ -1,9 +1,14 @@
+from weakref import WeakValueDictionary
+
+
 class Singleton(type):
-    _instances = {}
+    _instances = WeakValueDictionary()
 
     def __call__(cls, *args, **kwargs):
         # logger_mqtt.debug('singleton: __call__')
         if cls not in cls._instances:
-            cls._instances[cls] = super(Singleton,
-                                        cls).__call__(*args, **kwargs)
+            instance = super(Singleton,
+                             cls).__call__(*args, **kwargs)
+            cls._instances[cls] = instance
+
         return cls._instances[cls]

app/src/utils/__init__.py

@@ -0,0 +1,25 @@
+import mimetypes
+from importlib import import_module
+from pathlib import Path
+from collections.abc import Callable
+
+
+class SourceFileLoader:
+    """ Represents a SouceFileLoader (__loader__)"""
+    name: str
+    get_resource_reader: Callable
+
+
+def load_modules(loader: SourceFileLoader):
+    """Load the entire modules from a SourceFileLoader (__loader__)"""
+    pkg = loader.name
+    for load in loader.get_resource_reader().contents():
+
+        if "python" not in str(mimetypes.guess_type(load)[0]):
+            continue
+
+        mod = Path(load).stem
+        if mod == "__init__":
+            continue
+
+        import_module(pkg + "." + mod, pkg)

app/src/web/__init__.py

@@ -0,0 +1,32 @@
+'''Quart blueprint for the proxy webserver with the dashboard
+
+Usage:
+    app = Quart(__name__, ...)
+    Web(app)
+'''
+from quart import Quart, Blueprint
+from quart_babel import Babel
+from utils import load_modules
+
+web = Blueprint('web', __name__)
+
+load_modules(__loader__)
+
+
+class Web:
+    '''Helper Class to register the Blueprint at Quart and
+    initializing Babel'''
+    def __init__(self,
+                 app: Quart,
+                 translation_directories: str | list[str],
+                 rel_urls: bool):
+        web.build_relative_urls = rel_urls
+        app.register_blueprint(web)
+
+        from .i18n import get_locale, get_tz
+        global babel
+        babel = Babel(
+            app,
+            locale_selector=get_locale,
+            timezone_selector=get_tz,
+            default_translation_directories=translation_directories)

app/src/web/conn_table.py

@@ -0,0 +1,87 @@
+from inverter_base import InverterBase
+from quart import render_template
+from quart_babel import format_datetime, _
+from infos import Infos
+
+from . import web
+from .log_handler import LogHandler
+
+
+def _get_device_icon(client_mode: bool):
+    '''returns the icon for the device conntection'''
+    if client_mode:
+        return 'fa-download fa-rotate-180'
+
+    return 'fa-upload fa-rotate-180'
+
+
+def _get_cloud_icon(emu_mode: bool):
+    '''returns the icon for the cloud conntection'''
+    if emu_mode:
+        return 'fa-cloud-arrow-up-alt'
+
+    return 'fa-cloud'
+
+
+def _get_row(inv: InverterBase):
+    '''build one row for the connection table'''
+    client_mode = inv.client_mode
+    inv_serial = inv.local.stream.inv_serial
+    icon1 = _get_device_icon(client_mode)
+    ip1, port1 = inv.addr
+    icon2 = ''
+    ip2 = '--'
+    port2 = '--'
+
+    if inv.remote.ifc:
+        ip2, port2 = inv.remote.ifc.r_addr
+        icon2 = _get_cloud_icon(client_mode)
+
+    row = []
+    row.append(f'<i class="fa {icon1}"></i> {ip1}:{port1}')
+    row.append(f'<i class="fa {icon1}"></i> {ip1}')
+    row.append(inv_serial)
+    row.append(f'<i class="fa {icon2}"></i> {ip2}:{port2}')
+    row.append(f'<i class="fa {icon2}"></i> {ip2}')
+    return row
+
+
+def get_table_data():
+    '''build the connection table'''
+    table = {
+        "headline": _('Connections'),
+        "col_classes": [
+            "w3-hide-small w3-hide-medium", "w3-hide-large",
+            "",
+            "w3-hide-small w3-hide-medium", "w3-hide-large",
+        ],
+        "thead": [[
+            _('Device-IP:Port'), _('Device-IP'),
+            _("Serial-No"),
+            _("Cloud-IP:Port"), _("Cloud-IP")
+        ]],
+        "tbody": []
+    }
+    for inverter in InverterBase:
+        table['tbody'].append(_get_row(inverter))
+
+    return table
+
+
+@web.route('/data-fetch')
+async def data_fetch():
+    data = {
+        "update-time": format_datetime(format="medium"),
+        "server-cnt": f"<h3>{Infos.get_counter('ServerMode_Cnt')}</h3>",
+        "client-cnt": f"<h3>{Infos.get_counter('ClientMode_Cnt')}</h3>",
+        "proxy-cnt": f"<h3>{Infos.get_counter('ProxyMode_Cnt')}</h3>",
+        "emulation-cnt": f"<h3>{Infos.get_counter('EmuMode_Cnt')}</h3>",
+    }
+    data["conn-table"] = await render_template('templ_table.html.j2',
+                                               table=get_table_data())
+
+    data["notes-list"] = await render_template(
+        'templ_notes_list.html.j2',
+        notes=LogHandler().get_buffer(3),
+        hide_if_empty=True)
+    return data

app/src/web/favicon.py

@@ -0,0 +1,37 @@
+import os
+
+from quart import send_from_directory
+
+from . import web
+
+
+async def get_icon(file: str, mime: str = 'image/png'):
+    return await send_from_directory(
+        os.path.join(web.root_path, 'static/images'),
+        file,
+        mimetype=mime)
+
+
+@web.route('/favicon-96x96.png')
+async def favicon():
+    return await get_icon('favicon-96x96.png')
+
+
+@web.route('/favicon.ico')
+async def favicon_ico():
+    return await get_icon('favicon.ico', 'image/x-icon')
+
+
+@web.route('/favicon.svg')
+async def favicon_svg():
+    return await get_icon('favicon.svg', 'image/svg+xml')
+
+
+@web.route('/apple-touch-icon.png')
+async def apple_touch():
+    return await get_icon('apple-touch-icon.png')
+
+
+@web.route('/site.webmanifest')
+async def webmanifest():
+    return await get_icon('site.webmanifest', 'application/manifest+json')

app/src/web/i18n.py

@@ -0,0 +1,45 @@
+from quart import request, session, redirect, abort
+from quart_babel.locale import get_locale as babel_get_locale
+
+from . import web
+
+LANGUAGES = {
+    'en': 'English',
+    'de': 'Deutsch',
+    # 'fr': 'Français'
+}
+
+
+def get_locale():
+    try:
+        language = session['language']
+    except KeyError:
+        language = None
+    if language is not None:
+        return language
+
+    # check how to get the locale form for the add-on - hass.selectedLanguage
+    # logging.info("get_locale(%s)", request.accept_languages)
+    return request.accept_languages.best_match(LANGUAGES.keys())
+
+
+def get_tz():
+    return 'CET'
+
+
+@web.context_processor
+def utility_processor():
+    return dict(lang=babel_get_locale(),
+                lang_str=LANGUAGES.get(str(babel_get_locale()), "English"),
+                languages=LANGUAGES)
+
+
+@web.route('/language/<language>')
+async def set_language(language=None):
+    if language in LANGUAGES:
+        session['language'] = language
+
+        rsp = redirect(request.referrer if request.referrer else '../#')
+        rsp.content_language = language
+        return rsp
+    return abort(404)

app/src/web/log_files.py

@@ -0,0 +1,60 @@
+from quart import render_template
+from quart_babel import format_datetime, format_decimal
+from quart.helpers import send_from_directory
+from werkzeug.utils import secure_filename
+from cnf.config import Config
+import os
+
+from . import web
+
+
+def _get_file(file):
+    '''build one row for the connection table'''
+    entry = {}
+    entry['name'] = file.name
+    stat = file.stat()
+    entry['size'] = format_decimal(stat.st_size)
+    entry['date'] = stat.st_mtime
+    entry['created'] = format_datetime(stat.st_ctime, format="short")
+    entry['modified'] = format_datetime(stat.st_mtime, format="short")
+    return entry
+
+
+def get_list_data():
+    '''build the connection table'''
+    file_list = []
+    with os.scandir(Config.get_log_path()) as it:
+        for entry in it:
+            if entry.is_file():
+                file_list.append(_get_file(entry))
+
+    file_list.sort(key=lambda x: x['date'], reverse=True)
+    return file_list
+
+
+@web.route('/file-fetch')
+async def file_fetch():
+    data = {
+        "update-time": format_datetime(format="medium"),
+    }
+    data["file-list"] = await render_template('templ_log_files_list.html.j2',
+                                              dir_list=get_list_data())
+
+    return data
+
+
+@web.route('/send-file/<file>')
+async def send(file):
+    return await send_from_directory(
+        directory=Config.get_log_path(),
+        file_name=secure_filename(file),
+        as_attachment=True)
+
+
+@web.route('/del-file/<file>', methods=['DELETE'])
+async def delete(file):
+    try:
+        os.remove(Config.get_log_path() + secure_filename(file))
+    except OSError:
+        return 'File not found', 404
+    return '', 204

app/src/web/log_handler.py

@@ -0,0 +1,24 @@
+from logging import Handler
+from logging import LogRecord
+import logging
+from collections import deque
+
+from singleton import Singleton
+
+
+class LogHandler(Handler, metaclass=Singleton):
+    def __init__(self, capacity=64):
+        super().__init__(logging.WARNING)
+        self.capacity = capacity
+        self.buffer = deque(maxlen=capacity)
+
+    def emit(self, record: LogRecord):
+        self.buffer.append({
+            'ctime': record.created,
+            'level': record.levelno,
+            'lname': record.levelname,
+            'msg': record.getMessage()
+        })
+
+    def get_buffer(self, elms=0) -> list:
+        return list(self.buffer)[-elms:]

app/src/web/mqtt_table.py

@@ -0,0 +1,64 @@
+from inverter_base import InverterBase
+from quart import render_template
+from quart_babel import format_datetime, _
+from mqtt import Mqtt
+
+from . import web
+from .log_handler import LogHandler
+
+
+def _get_row(inv: InverterBase):
+    '''build one row for the connection table'''
+    entity_prfx = inv.entity_prfx
+    inv_serial = inv.local.stream.inv_serial
+    node_id = inv.local.stream.node_id
+    sug_area = inv.local.stream.sug_area
+
+    row = []
+    row.append(inv_serial)
+    row.append(entity_prfx+node_id)
+    row.append(sug_area)
+    return row
+
+
+def get_table_data():
+    '''build the connection table'''
+    table = {
+        "headline": _('MQTT devices'),
+        "col_classes": [
+            "",
+            "",
+            "",
+        ],
+        "thead": [[
+            _("Serial-No"),
+            _('Node-ID'),
+            _('HA-Area'),
+        ]],
+        "tbody": []
+    }
+    for inverter in InverterBase:
+        table['tbody'].append(_get_row(inverter))
+
+    return table
+
+
+@web.route('/mqtt-fetch')
+async def mqtt_fetch():
+    mqtt = Mqtt(None)
+    ctime = format_datetime(dt=mqtt.ctime, format='short')
+    data = {
+        "update-time": format_datetime(format="medium"),
+        "mqtt-ctime": f"<h3>{ctime}</h3>",
+        "mqtt-tx": f"<h3>{mqtt.published}</h3>",
+        "mqtt-rx": f"<h3>{mqtt.received}</h3>",
+    }
+    data["mqtt-table"] = await render_template('templ_table.html.j2',
+                                               table=get_table_data())
+
+    data["notes-list"] = await render_template(
+        'templ_notes_list.html.j2',
+        notes=LogHandler().get_buffer(3),
+        hide_if_empty=True)
+
+    return data

app/src/web/notes_list.py

@@ -0,0 +1,19 @@
+from quart import render_template
+from quart_babel import format_datetime
+
+from . import web
+from .log_handler import LogHandler
+
+
+@web.route('/notes-fetch')
+async def notes_fetch():
+    data = {
+        "update-time": format_datetime(format="medium"),
+    }
+
+    data["notes-list"] = await render_template(
+        'templ_notes_list.html.j2',
+        notes=LogHandler().get_buffer(),
+        hide_if_empty=False)
+
+    return data

app/src/web/pages.py

@@ -0,0 +1,32 @@
+from quart import render_template
+from .wrapper import url_for
+
+from . import web
+
+
+@web.route('/')
+async def index():
+    return await render_template(
+        'page_index.html.j2',
+        fetch_url=url_for('.data_fetch'))
+
+
+@web.route('/mqtt')
+async def mqtt():
+    return await render_template(
+        'page_mqtt.html.j2',
+        fetch_url=url_for('.mqtt_fetch'))
+
+
+@web.route('/notes')
+async def notes():
+    return await render_template(
+        'page_notes.html.j2',
+        fetch_url=url_for('.notes_fetch'))
+
+
+@web.route('/logging')
+async def logging():
+    return await render_template(
+        'page_logging.html.j2',
+        fetch_url=url_for('.file_fetch'))

app/src/web/static/css/style.css

@@ -0,0 +1,251 @@
+/* W3.CSS 5.02 March 31 2025 by Jan Egil and Borge Refsnes */
+html{box-sizing:border-box;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%;overflow-x:hidden}*,*:before,*:after{box-sizing:inherit}
+/* Extract from normalize.css by Nicolas Gallagher and Jonathan Neal git.io/normalize */
+body{margin:0}
+article,aside,details,figcaption,figure,footer,header,main,menu,nav,section{display:block}summary{display:list-item}
+audio,canvas,progress,video{display:inline-block}progress{vertical-align:baseline}
+audio:not([controls]){display:none;height:0}[hidden],template{display:none}
+a{background-color:transparent;color:inherit}
+a:active,a:hover{outline-width:0}
+abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}
+b,strong{font-weight:bolder}dfn{font-style:italic}mark{background:#ff0;color:#000}
+small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}
+sub{bottom:-0.25em}sup{top:-0.5em}figure{margin:1em 40px}
+code,kbd,pre,samp{font-family:monospace;font-size:1em}
+button,input,select,textarea,optgroup{font:inherit;margin:0}optgroup{font-weight:bold}
+button,input{overflow:visible}button,select{text-transform:none}
+button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button;appearance:button}
+button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}
+button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}
+fieldset{border:1px solid #c0c0c0;margin:0 2px;padding:.35em .625em .75em}
+legend{color:inherit;display:table;max-width:100%;padding:0;white-space:normal}textarea{overflow:auto}
+[type=checkbox],[type=radio]{padding:0}
+[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}
+[type=search]{-webkit-appearance:textfield;appearance:textfoeld;outline-offset:-2px}
+[type=search]::-webkit-search-decoration{-webkit-appearance:none}
+::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}
+/* End extract */
+html,body{font-family:Verdana,sans-serif;font-size:15px;line-height:1.5}
+h1{font-size:36px}h2{font-size:30px}h3{font-size:24px}h4{font-size:20px}h5{font-size:18px}h6{font-size:16px}
+.w3-serif{font-family:serif}.w3-sans-serif{font-family:sans-serif}.w3-cursive{font-family:cursive}.w3-monospace{font-family:monospace}
+h1,h2,h3,h4,h5,h6{font-family:"Segoe UI",Arial,sans-serif;font-weight:400;margin:10px 0}.w3-wide{letter-spacing:4px}
+hr{box-sizing:content-box;height:0;overflow:visible;border:0;border-top:1px solid #eee;margin:20px 0}
+.w3-image{max-width:100%;height:auto}img{border-style:none;vertical-align:middle}
+.w3-table,.w3-table-all{border-collapse:collapse;border-spacing:0;width:100%;display:table}.w3-table-all{border:1px solid #ccc}
+.w3-bordered tr,.w3-table-all tr{border-bottom:1px solid #ddd}.w3-striped tbody tr:nth-child(even){background-color:#f1f1f1}
+.w3-table-all tr:nth-child(odd){background-color:#fff}.w3-table-all tr:nth-child(even){background-color:#f1f1f1}
+.w3-hoverable tbody tr:hover,.w3-ul.w3-hoverable li:hover{background-color:#ccc}.w3-centered tr th,.w3-centered tr td{text-align:center}
+.w3-table td,.w3-table th,.w3-table-all td,.w3-table-all th{padding:8px 8px;display:table-cell;text-align:left;vertical-align:top}
+.w3-table th:first-child,.w3-table td:first-child,.w3-table-all th:first-child,.w3-table-all td:first-child{padding-left:16px}
+.w3-btn,.w3-button{border:none;display:inline-block;padding:8px 16px;vertical-align:middle;overflow:hidden;text-decoration:none;color:inherit;background-color:inherit;text-align:center;cursor:pointer;white-space:nowrap;-webkit-touch-callout:none;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
+.w3-btn:hover{box-shadow:0 8px 16px 0 rgba(0,0,0,0.2),0 6px 20px 0 rgba(0,0,0,0.19)}
+.w3-disabled,.w3-btn:disabled,.w3-button:disabled{cursor:not-allowed;opacity:0.3}.w3-disabled *,:disabled *{pointer-events:none}
+.w3-btn.w3-disabled:hover,.w3-btn:disabled:hover{box-shadow:none}
+.w3-badge,.w3-tag{background-color:#000;color:#fff;display:inline-block;padding-left:8px;padding-right:8px;text-align:center}.w3-badge{border-radius:50%}
+.w3-ul{list-style-type:none;padding:0;margin:0}.w3-ul li{padding:8px 16px;border-bottom:1px solid #ddd}.w3-ul li:last-child{border-bottom:none}
+.w3-tooltip,.w3-display-container{position:relative}.w3-tooltip .w3-text{display:none}.w3-tooltip:hover .w3-text{display:inline-block}
+.w3-ripple:active{opacity:0.5}.w3-ripple{transition:opacity 0s}
+.w3-input{padding:8px;display:block;border:none;border-bottom:1px solid #ccc;width:100%}
+.w3-select{padding:9px 0;width:100%;border:none;border-bottom:1px solid #ccc}
+.w3-dropdown-click,.w3-dropdown-hover{position:relative;display:inline-block;cursor:pointer}
+.w3-dropdown-hover:hover .w3-dropdown-content{display:block}
+.w3-dropdown-hover:first-child,.w3-dropdown-click:hover{background-color:#ccc;color:#000}
+.w3-dropdown-hover:hover > .w3-button:first-child,.w3-dropdown-click:hover > .w3-button:first-child{background-color:#ccc;color:#000}
+.w3-dropdown-content{cursor:auto;color:#000;background-color:#fff;display:none;position:absolute;min-width:160px;margin:0;padding:0;z-index:1}
+.w3-check,.w3-radio{width:24px;height:24px;position:relative;top:6px}
+.w3-sidebar{height:100%;width:200px;background-color:#fff;position:fixed!important;z-index:1;overflow:auto}
+.w3-bar-block .w3-dropdown-hover,.w3-bar-block .w3-dropdown-click{width:100%}
+.w3-bar-block .w3-dropdown-hover .w3-dropdown-content,.w3-bar-block .w3-dropdown-click .w3-dropdown-content{min-width:100%}
+.w3-bar-block .w3-dropdown-hover .w3-button,.w3-bar-block .w3-dropdown-click .w3-button{width:100%;text-align:left;padding:8px 16px}
+.w3-main,#main{transition:margin-left .4s}
+.w3-modal{z-index:3;display:none;padding-top:100px;position:fixed;left:0;top:0;width:100%;height:100%;overflow:auto;background-color:rgb(0,0,0);background-color:rgba(0,0,0,0.4)}
+.w3-modal-content{margin:auto;background-color:#fff;position:relative;padding:0;outline:0;width:600px}
+.w3-bar{width:100%;overflow:hidden}.w3-center .w3-bar{display:inline-block;width:auto}
+.w3-bar .w3-bar-item{padding:8px 16px;float:left;width:auto;border:none;display:block;outline:0}
+.w3-bar .w3-dropdown-hover,.w3-bar .w3-dropdown-click{position:static;float:left}
+.w3-bar .w3-button{white-space:normal}
+.w3-bar-block .w3-bar-item{width:100%;display:block;padding:8px 16px;text-align:left;border:none;white-space:normal;float:none;outline:0}
+.w3-bar-block.w3-center .w3-bar-item{text-align:center}.w3-block{display:block;width:100%}
+.w3-responsive{display:block;overflow-x:auto}
+.w3-container:after,.w3-container:before,.w3-panel:after,.w3-panel:before,.w3-row:after,.w3-row:before,.w3-row-padding:after,.w3-row-padding:before,
+.w3-cell-row:before,.w3-cell-row:after,.w3-clear:after,.w3-clear:before,.w3-bar:before,.w3-bar:after{content:"";display:table;clear:both}
+.w3-col,.w3-half,.w3-third,.w3-twothird,.w3-threequarter,.w3-quarter{float:left;width:100%}
+.w3-col.s1{width:8.33333%}.w3-col.s2{width:16.66666%}.w3-col.s3{width:24.99999%}.w3-col.s4{width:33.33333%}
+.w3-col.s5{width:41.66666%}.w3-col.s6{width:49.99999%}.w3-col.s7{width:58.33333%}.w3-col.s8{width:66.66666%}
+.w3-col.s9{width:74.99999%}.w3-col.s10{width:83.33333%}.w3-col.s11{width:91.66666%}.w3-col.s12{width:99.99999%}
+@media (min-width:601px){.w3-col.m1{width:8.33333%}.w3-col.m2{width:16.66666%}.w3-col.m3,.w3-quarter{width:24.99999%}.w3-col.m4,.w3-third{width:33.33333%}
+.w3-col.m5{width:41.66666%}.w3-col.m6,.w3-half{width:49.99999%}.w3-col.m7{width:58.33333%}.w3-col.m8,.w3-twothird{width:66.66666%}
+.w3-col.m9,.w3-threequarter{width:74.99999%}.w3-col.m10{width:83.33333%}.w3-col.m11{width:91.66666%}.w3-col.m12{width:99.99999%}}
+@media (min-width:993px){.w3-col.l1{width:8.33333%}.w3-col.l2{width:16.66666%}.w3-col.l3{width:24.99999%}.w3-col.l4{width:33.33333%}
+.w3-col.l5{width:41.66666%}.w3-col.l6{width:49.99999%}.w3-col.l7{width:58.33333%}.w3-col.l8{width:66.66666%}
+.w3-col.l9{width:74.99999%}.w3-col.l10{width:83.33333%}.w3-col.l11{width:91.66666%}.w3-col.l12{width:99.99999%}}
+.w3-rest{overflow:hidden}.w3-stretch{margin-left:-16px;margin-right:-16px}
+.w3-content,.w3-auto{margin-left:auto;margin-right:auto}.w3-content{max-width:980px}.w3-auto{max-width:1140px}
+.w3-cell-row{display:table;width:100%}.w3-cell{display:table-cell}
+.w3-cell-top{vertical-align:top}.w3-cell-middle{vertical-align:middle}.w3-cell-bottom{vertical-align:bottom}
+.w3-hide{display:none!important}.w3-show-block,.w3-show{display:block!important}.w3-show-inline-block{display:inline-block!important}
+@media (max-width:1205px){.w3-auto{max-width:95%}}
+@media (max-width:600px){.w3-modal-content{margin:0 10px;width:auto!important}.w3-modal{padding-top:30px}
+.w3-dropdown-hover.w3-mobile .w3-dropdown-content,.w3-dropdown-click.w3-mobile .w3-dropdown-content{position:relative}	
+.w3-hide-small{display:none!important}.w3-mobile{display:block;width:100%!important}.w3-bar-item.w3-mobile,.w3-dropdown-hover.w3-mobile,.w3-dropdown-click.w3-mobile{text-align:center}
+.w3-dropdown-hover.w3-mobile,.w3-dropdown-hover.w3-mobile .w3-btn,.w3-dropdown-hover.w3-mobile .w3-button,.w3-dropdown-click.w3-mobile,.w3-dropdown-click.w3-mobile .w3-btn,.w3-dropdown-click.w3-mobile .w3-button{width:100%}}
+@media (max-width:768px){.w3-modal-content{width:500px}.w3-modal{padding-top:50px}}
+@media (min-width:993px){.w3-modal-content{width:900px}.w3-hide-large{display:none!important}.w3-sidebar.w3-collapse{display:block!important}}
+@media (max-width:992px) and (min-width:601px){.w3-hide-medium{display:none!important}}
+@media (max-width:992px){.w3-sidebar.w3-collapse{display:none}.w3-main{margin-left:0!important;margin-right:0!important}.w3-auto{max-width:100%}}
+.w3-top,.w3-bottom{position:fixed;width:100%;z-index:1}.w3-top{top:0}.w3-bottom{bottom:0}
+.w3-overlay{position:fixed;display:none;width:100%;height:100%;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,0.5);z-index:2}
+.w3-display-topleft{position:absolute;left:0;top:0}.w3-display-topright{position:absolute;right:0;top:0}
+.w3-display-bottomleft{position:absolute;left:0;bottom:0}.w3-display-bottomright{position:absolute;right:0;bottom:0}
+.w3-display-middle{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%)}
+.w3-display-left{position:absolute;top:50%;left:0%;transform:translate(0%,-50%);-ms-transform:translate(-0%,-50%)}
+.w3-display-right{position:absolute;top:50%;right:0%;transform:translate(0%,-50%);-ms-transform:translate(0%,-50%)}
+.w3-display-topmiddle{position:absolute;left:50%;top:0;transform:translate(-50%,0%);-ms-transform:translate(-50%,0%)}
+.w3-display-bottommiddle{position:absolute;left:50%;bottom:0;transform:translate(-50%,0%);-ms-transform:translate(-50%,0%)}
+.w3-display-container:hover .w3-display-hover{display:block}.w3-display-container:hover span.w3-display-hover{display:inline-block}.w3-display-hover{display:none}
+.w3-display-position{position:absolute}
+.w3-circle{border-radius:50%}
+.w3-round-small{border-radius:2px}.w3-round,.w3-round-medium{border-radius:4px}.w3-round-large{border-radius:8px}.w3-round-xlarge{border-radius:16px}.w3-round-xxlarge{border-radius:32px}
+.w3-row-padding,.w3-row-padding>.w3-half,.w3-row-padding>.w3-third,.w3-row-padding>.w3-twothird,.w3-row-padding>.w3-threequarter,.w3-row-padding>.w3-quarter,.w3-row-padding>.w3-col{padding:0 8px}
+.w3-container,.w3-panel{padding:0.01em 16px}.w3-panel{margin-top:16px;margin-bottom:16px}
+.w3-grid{display:grid}.w3-grid-padding{display:grid;gap:16px}.w3-flex{display:flex}
+.w3-text-center{text-align:center}.w3-text-bold,.w3-bold{font-weight:bold}.w3-text-italic,.w3-italic{font-style:italic}
+.w3-code,.w3-codespan{font-family:Consolas,"courier new",monospace;font-size:16px}
+.w3-code{width:auto;background-color:#fff;padding:8px 12px;border-left:4px solid #4CAF50;word-wrap:break-word}
+.w3-codespan{color:crimson;background-color:#f1f1f1;padding-left:4px;padding-right:4px;font-size:110%}
+.w3-card,.w3-card-2{box-shadow:0 2px 5px 0 rgba(0,0,0,0.16),0 2px 10px 0 rgba(0,0,0,0.12)}
+.w3-card-4,.w3-hover-shadow:hover{box-shadow:0 4px 10px 0 rgba(0,0,0,0.2),0 4px 20px 0 rgba(0,0,0,0.19)}
+.w3-spin{animation:w3-spin 2s infinite linear}@keyframes w3-spin{0%{transform:rotate(0deg)}100%{transform:rotate(359deg)}}
+.w3-animate-fading{animation:fading 10s infinite}@keyframes fading{0%{opacity:0}50%{opacity:1}100%{opacity:0}}
+.w3-animate-opacity{animation:opac 0.8s}@keyframes opac{from{opacity:0} to{opacity:1}}
+.w3-animate-top{position:relative;animation:animatetop 0.4s}@keyframes animatetop{from{top:-300px;opacity:0} to{top:0;opacity:1}}
+.w3-animate-left{position:relative;animation:animateleft 0.4s}@keyframes animateleft{from{left:-300px;opacity:0} to{left:0;opacity:1}}
+.w3-animate-right{position:relative;animation:animateright 0.4s}@keyframes animateright{from{right:-300px;opacity:0} to{right:0;opacity:1}}
+.w3-animate-bottom{position:relative;animation:animatebottom 0.4s}@keyframes animatebottom{from{bottom:-300px;opacity:0} to{bottom:0;opacity:1}}
+.w3-animate-zoom {animation:animatezoom 0.6s}@keyframes animatezoom{from{transform:scale(0)} to{transform:scale(1)}}
+.w3-animate-input{transition:width 0.4s ease-in-out}.w3-animate-input:focus{width:100%!important}
+.w3-opacity,.w3-hover-opacity:hover{opacity:0.60}.w3-opacity-off,.w3-hover-opacity-off:hover{opacity:1}
+.w3-opacity-max{opacity:0.25}.w3-opacity-min{opacity:0.75}
+.w3-greyscale-max,.w3-grayscale-max,.w3-hover-greyscale:hover,.w3-hover-grayscale:hover{filter:grayscale(100%)}
+.w3-greyscale,.w3-grayscale{filter:grayscale(75%)}.w3-greyscale-min,.w3-grayscale-min{filter:grayscale(50%)}
+.w3-sepia{filter:sepia(75%)}.w3-sepia-max,.w3-hover-sepia:hover{filter:sepia(100%)}.w3-sepia-min{filter:sepia(50%)}
+.w3-tiny{font-size:10px!important}.w3-small{font-size:12px!important}.w3-medium{font-size:15px!important}.w3-large{font-size:18px!important}
+.w3-xlarge{font-size:24px!important}.w3-xxlarge{font-size:36px!important}.w3-xxxlarge{font-size:48px!important}.w3-jumbo{font-size:64px!important}
+.w3-left-align{text-align:left!important}.w3-right-align{text-align:right!important}.w3-justify{text-align:justify!important}.w3-center{text-align:center!important}
+.w3-border-0{border:0!important}.w3-border{border:1px solid #ccc!important}
+.w3-border-top{border-top:1px solid #ccc!important}.w3-border-bottom{border-bottom:1px solid #ccc!important}
+.w3-border-left{border-left:1px solid #ccc!important}.w3-border-right{border-right:1px solid #ccc!important}
+.w3-topbar{border-top:6px solid #ccc!important}.w3-bottombar{border-bottom:6px solid #ccc!important}
+.w3-leftbar{border-left:6px solid #ccc!important}.w3-rightbar{border-right:6px solid #ccc!important}
+.w3-section,.w3-code{margin-top:16px!important;margin-bottom:16px!important}
+.w3-margin{margin:16px!important}.w3-margin-top{margin-top:16px!important}.w3-margin-bottom{margin-bottom:16px!important}
+.w3-margin-left{margin-left:16px!important}.w3-margin-right{margin-right:16px!important}
+.w3-padding-small{padding:4px 8px!important}.w3-padding{padding:8px 16px!important}.w3-padding-large{padding:12px 24px!important}
+.w3-padding-16{padding-top:16px!important;padding-bottom:16px!important}.w3-padding-24{padding-top:24px!important;padding-bottom:24px!important}
+.w3-padding-32{padding-top:32px!important;padding-bottom:32px!important}.w3-padding-48{padding-top:48px!important;padding-bottom:48px!important}
+.w3-padding-64{padding-top:64px!important;padding-bottom:64px!important}
+.w3-padding-top-64{padding-top:64px!important}.w3-padding-top-48{padding-top:48px!important}
+.w3-padding-top-32{padding-top:32px!important}.w3-padding-top-24{padding-top:24px!important}
+.w3-left{float:left!important}.w3-right{float:right!important}
+.w3-button:hover{color:#000!important;background-color:#ccc!important}
+.w3-transparent,.w3-hover-none:hover{background-color:transparent!important}
+.w3-hover-none:hover{box-shadow:none!important}
+.w3-rtl{direction:rtl}.w3-ltr{direction:ltr}
+/* Colors */
+.w3-amber,.w3-hover-amber:hover{color:#000!important;background-color:#ffc107!important}
+.w3-aqua,.w3-hover-aqua:hover{color:#000!important;background-color:#00ffff!important}
+.w3-blue,.w3-hover-blue:hover{color:#fff!important;background-color:#2196F3!important}
+.w3-light-blue,.w3-hover-light-blue:hover{color:#000!important;background-color:#87CEEB!important}
+.w3-brown,.w3-hover-brown:hover{color:#fff!important;background-color:#795548!important}
+.w3-cyan,.w3-hover-cyan:hover{color:#000!important;background-color:#00bcd4!important}
+.w3-blue-grey,.w3-hover-blue-grey:hover,.w3-blue-gray,.w3-hover-blue-gray:hover{color:#fff!important;background-color:#607d8b!important}
+.w3-green,.w3-hover-green:hover{color:#fff!important;background-color:#4CAF50!important}
+.w3-light-green,.w3-hover-light-green:hover{color:#000!important;background-color:#8bc34a!important}
+.w3-indigo,.w3-hover-indigo:hover{color:#fff!important;background-color:#3f51b5!important}
+.w3-khaki,.w3-hover-khaki:hover{color:#000!important;background-color:#f0e68c!important}
+.w3-lime,.w3-hover-lime:hover{color:#000!important;background-color:#cddc39!important}
+.w3-orange,.w3-hover-orange:hover{color:#000!important;background-color:#ff9800!important}
+.w3-deep-orange,.w3-hover-deep-orange:hover{color:#fff!important;background-color:#ff5722!important}
+.w3-pink,.w3-hover-pink:hover{color:#fff!important;background-color:#e91e63!important}
+.w3-purple,.w3-hover-purple:hover{color:#fff!important;background-color:#9c27b0!important}
+.w3-deep-purple,.w3-hover-deep-purple:hover{color:#fff!important;background-color:#673ab7!important}
+.w3-red,.w3-hover-red:hover{color:#fff!important;background-color:#f44336!important}
+.w3-sand,.w3-hover-sand:hover{color:#000!important;background-color:#fdf5e6!important}
+.w3-teal,.w3-hover-teal:hover{color:#fff!important;background-color:#009688!important}
+.w3-yellow,.w3-hover-yellow:hover{color:#000!important;background-color:#ffeb3b!important}
+.w3-white,.w3-hover-white:hover{color:#000!important;background-color:#fff!important}
+.w3-black,.w3-hover-black:hover{color:#fff!important;background-color:#000!important}
+.w3-grey,.w3-hover-grey:hover,.w3-gray,.w3-hover-gray:hover{color:#000!important;background-color:#9e9e9e!important}
+.w3-light-grey,.w3-hover-light-grey:hover,.w3-light-gray,.w3-hover-light-gray:hover{color:#000!important;background-color:#f1f1f1!important}
+.w3-dark-grey,.w3-hover-dark-grey:hover,.w3-dark-gray,.w3-hover-dark-gray:hover{color:#fff!important;background-color:#616161!important}
+.w3-asphalt,.w3-hover-asphalt:hover{color:#fff!important;background-color:#343a40!important}
+.w3-crimson,.w3-hover-crimson:hover{color:#fff!important;background-color:#a20025!important}
+.w3-cobalt,w3-hover-cobalt:hover{color:#fff!important;background-color:#0050ef!important}
+.w3-emerald,.w3-hover-emerald:hover{color:#fff!important;background-color:#008a00!important}
+.w3-olive,.w3-hover-olive:hover{color:#fff!important;background-color:#6d8764!important}
+.w3-paper,.w3-hover-paper:hover{color:#000!important;background-color:#f8f9fa!important}
+.w3-sienna,.w3-hover-sienna:hover{color:#fff!important;background-color:#a0522d!important}
+.w3-taupe,.w3-hover-taupe:hover{color:#fff!important;background-color:#87794e!important}
+.w3-danger{color:#fff!important;background-color:#dd0000!important}
+.w3-note{color:#000!important;background-color:#fff599!important}
+.w3-info{color:#fff!important;background-color:#0a6fc2!important}
+.w3-warning{color:#000!important;background-color:#ffb305!important}
+.w3-success{color:#fff!important;background-color:#008a00!important}
+.w3-pale-red,.w3-hover-pale-red:hover{color:#000!important;background-color:#ffdddd!important}
+.w3-pale-green,.w3-hover-pale-green:hover{color:#000!important;background-color:#ddffdd!important}
+.w3-pale-yellow,.w3-hover-pale-yellow:hover{color:#000!important;background-color:#ffffcc!important}
+.w3-pale-blue,.w3-hover-pale-blue:hover{color:#000!important;background-color:#ddffff!important}
+.w3-text-amber,.w3-hover-text-amber:hover{color:#ffc107!important}
+.w3-text-aqua,.w3-hover-text-aqua:hover{color:#00ffff!important}
+.w3-text-blue,.w3-hover-text-blue:hover{color:#2196F3!important}
+.w3-text-light-blue,.w3-hover-text-light-blue:hover{color:#87CEEB!important}
+.w3-text-brown,.w3-hover-text-brown:hover{color:#795548!important}
+.w3-text-cyan,.w3-hover-text-cyan:hover{color:#00bcd4!important}
+.w3-text-blue-grey,.w3-hover-text-blue-grey:hover,.w3-text-blue-gray,.w3-hover-text-blue-gray:hover{color:#607d8b!important}
+.w3-text-green,.w3-hover-text-green:hover{color:#4CAF50!important}
+.w3-text-light-green,.w3-hover-text-light-green:hover{color:#8bc34a!important}
+.w3-text-indigo,.w3-hover-text-indigo:hover{color:#3f51b5!important}
+.w3-text-khaki,.w3-hover-text-khaki:hover{color:#b4aa50!important}
+.w3-text-lime,.w3-hover-text-lime:hover{color:#cddc39!important}
+.w3-text-orange,.w3-hover-text-orange:hover{color:#ff9800!important}
+.w3-text-deep-orange,.w3-hover-text-deep-orange:hover{color:#ff5722!important}
+.w3-text-pink,.w3-hover-text-pink:hover{color:#e91e63!important}
+.w3-text-purple,.w3-hover-text-purple:hover{color:#9c27b0!important}
+.w3-text-deep-purple,.w3-hover-text-deep-purple:hover{color:#673ab7!important}
+.w3-text-red,.w3-hover-text-red:hover{color:#f44336!important}
+.w3-text-sand,.w3-hover-text-sand:hover{color:#fdf5e6!important}
+.w3-text-teal,.w3-hover-text-teal:hover{color:#009688!important}
+.w3-text-yellow,.w3-hover-text-yellow:hover{color:#d2be0e!important}
+.w3-text-white,.w3-hover-text-white:hover{color:#fff!important}
+.w3-text-black,.w3-hover-text-black:hover{color:#000!important}
+.w3-text-grey,.w3-hover-text-grey:hover,.w3-text-gray,.w3-hover-text-gray:hover{color:#757575!important}
+.w3-text-light-grey,.w3-hover-text-light-grey:hover,.w3-text-light-gray,.w3-hover-text-light-gray:hover{color:#f1f1f1!important}
+.w3-text-dark-grey,.w3-hover-text-dark-grey:hover,.w3-text-dark-gray,.w3-hover-text-dark-gray:hover{color:#3a3a3a!important}
+.w3-border-amber,.w3-hover-border-amber:hover{border-color:#ffc107!important}
+.w3-border-aqua,.w3-hover-border-aqua:hover{border-color:#00ffff!important}
+.w3-border-blue,.w3-hover-border-blue:hover{border-color:#2196F3!important}
+.w3-border-light-blue,.w3-hover-border-light-blue:hover{border-color:#87CEEB!important}
+.w3-border-brown,.w3-hover-border-brown:hover{border-color:#795548!important}
+.w3-border-cyan,.w3-hover-border-cyan:hover{border-color:#00bcd4!important}
+.w3-border-blue-grey,.w3-hover-border-blue-grey:hover,.w3-border-blue-gray,.w3-hover-border-blue-gray:hover{border-color:#607d8b!important}
+.w3-border-green,.w3-hover-border-green:hover{border-color:#4CAF50!important}
+.w3-border-light-green,.w3-hover-border-light-green:hover{border-color:#8bc34a!important}
+.w3-border-indigo,.w3-hover-border-indigo:hover{border-color:#3f51b5!important}
+.w3-border-khaki,.w3-hover-border-khaki:hover{border-color:#f0e68c!important}
+.w3-border-lime,.w3-hover-border-lime:hover{border-color:#cddc39!important}
+.w3-border-orange,.w3-hover-border-orange:hover{border-color:#ff9800!important}
+.w3-border-deep-orange,.w3-hover-border-deep-orange:hover{border-color:#ff5722!important}
+.w3-border-pink,.w3-hover-border-pink:hover{border-color:#e91e63!important}
+.w3-border-purple,.w3-hover-border-purple:hover{border-color:#9c27b0!important}
+.w3-border-deep-purple,.w3-hover-border-deep-purple:hover{border-color:#673ab7!important}
+.w3-border-red,.w3-hover-border-red:hover{border-color:#f44336!important}
+.w3-border-sand,.w3-hover-border-sand:hover{border-color:#fdf5e6!important}
+.w3-border-teal,.w3-hover-border-teal:hover{border-color:#009688!important}
+.w3-border-yellow,.w3-hover-border-yellow:hover{border-color:#ffeb3b!important}
+.w3-border-white,.w3-hover-border-white:hover{border-color:#fff!important}
+.w3-border-black,.w3-hover-border-black:hover{border-color:#000!important}
+.w3-border-grey,.w3-hover-border-grey:hover,.w3-border-gray,.w3-hover-border-gray:hover{border-color:#9e9e9e!important}
+.w3-border-light-grey,.w3-hover-border-light-grey:hover,.w3-border-light-gray,.w3-hover-border-light-gray:hover{border-color:#f1f1f1!important}
+.w3-border-dark-grey,.w3-hover-border-dark-grey:hover,.w3-border-dark-gray,.w3-hover-border-dark-gray:hover{border-color:#616161!important}
+.w3-border-pale-red,.w3-hover-border-pale-red:hover{border-color:#ffe7e7!important}.w3-border-pale-green,.w3-hover-border-pale-green:hover{border-color:#e7ffe7!important}
+.w3-border-pale-yellow,.w3-hover-border-pale-yellow:hover{border-color:#ffffcc!important}.w3-border-pale-blue,.w3-hover-border-pale-blue:hover{border-color:#e7ffff!important}

app/src/web/static/font-awesome/webfonts/fa-regular-400.svg

@@ -0,0 +1,801 @@
+<?xml version="1.0" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" >
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1">
+<metadata>
+Created by FontForge 20201107 at Wed Aug  4 12:25:29 2021
+ By Robert Madole
+Copyright (c) Font Awesome
+</metadata>
+<!-- Font Awesome Free 5.15.4 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) --><defs>
+<font id="FontAwesome5Free-Regular" horiz-adv-x="512" >
+  <font-face 
+    font-family="Font Awesome 5 Free Regular"
+    font-weight="400"
+    font-stretch="normal"
+    units-per-em="512"
+    panose-1="2 0 5 3 0 0 0 0 0 0"
+    ascent="448"
+    descent="-64"
+    bbox="-0.0663408 -64.0662 640.004 448.1"
+    underline-thickness="25"
+    underline-position="-50"
+    unicode-range="U+0020-F5C8"
+  />
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app/src/web/static/images/site.webmanifest

@@ -0,0 +1,21 @@
+{
+  "name": "TSUN-Proxy",
+  "short_name": "Proxy",
+  "icons": [
+    {
+      "src": "/web-app-manifest-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "maskable"
+    },
+    {
+      "src": "/web-app-manifest-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    }
+  ],
+  "theme_color": "#ffffff",
+  "background_color": "#ffffff",
+  "display": "standalone"
+}