3bada76516
* - 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 * - support python venv environment * initial version * - add missing requirements python-dotenv * fix import paths for pytests * fix pytest warnings * initial version * report 5 slowest test durations * add more vscode settings for python
139 lines
4.7 KiB
Python
139 lines
4.7 KiB
Python
import logging
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import struct
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from async_ifc import AsyncIfc
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from gen3plus.solarman_v5 import SolarmanBase
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from my_timer import Timer
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from infos import Register
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logger = logging.getLogger('msg')
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class SolarmanEmu(SolarmanBase):
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def __init__(self, addr, ifc: "AsyncIfc",
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server_side: bool, client_mode: bool):
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super().__init__(addr, ifc, server_side=False,
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_send_modbus_cb=None,
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mb_timeout=8)
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logging.debug('SolarmanEmu.init()')
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self.db = ifc.remote.stream.db
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self.snr = ifc.remote.stream.snr
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self.hb_timeout = 60
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'''actual heatbeat timeout from the last response message'''
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self.data_up_inv = self.db.get_db_value(Register.DATA_UP_INTERVAL)
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'''time interval for getting new MQTT data messages'''
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self.hb_timer = Timer(self.send_heartbeat_cb, self.node_id)
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self.data_timer = Timer(self.send_data_cb, self.node_id)
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self.last_sync = self._emu_timestamp()
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'''timestamp when we send the last sync message (4110)'''
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self.pkt_cnt = 0
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'''last sent packet number'''
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self.switch = {
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0x4210: 'msg_data_ind', # real time data
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0x1210: self.msg_response, # at least every 5 minutes
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0x4710: 'msg_hbeat_ind', # heatbeat
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0x1710: self.msg_response, # every 2 minutes
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0x4110: 'msg_dev_ind', # device data, sync start
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0x1110: self.msg_response, # every 3 hours
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}
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self.log_lvl = {
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0x4110: logging.INFO, # device data, sync start
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0x1110: logging.INFO, # every 3 hours
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0x4210: logging.INFO, # real time data
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0x1210: logging.INFO, # at least every 5 minutes
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0x4710: logging.DEBUG, # heatbeat
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0x1710: logging.DEBUG, # every 2 minutes
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}
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'''
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Our puplic methods
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'''
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def close(self) -> None:
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logging.info('SolarmanEmu.close()')
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# we have references to methods of this class in self.switch
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# so we have to erase self.switch, otherwise this instance can't be
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# deallocated by the garbage collector ==> we get a memory leak
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self.switch.clear()
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self.log_lvl.clear()
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self.hb_timer.close()
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self.data_timer.close()
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self.db = None
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super().close()
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def _set_serial_no(self, snr: int):
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logging.debug(f'SolarmanEmu._set_serial_no, snr: {snr}')
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self.unique_id = str(snr)
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def _init_new_client_conn(self) -> bool:
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logging.debug('SolarmanEmu.init_new()')
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self.data_timer.start(self.data_up_inv)
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return False
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def next_pkt_cnt(self):
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'''get the next packet number'''
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self.pkt_cnt = (self.pkt_cnt + 1) & 0xffffffff
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return self.pkt_cnt
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def seconds_since_last_sync(self):
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'''get seconds since last 0x4110 message was sent'''
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return self._emu_timestamp() - self.last_sync
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def send_heartbeat_cb(self, exp_cnt):
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'''send a heartbeat to the TSUN cloud'''
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self._build_header(0x4710)
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self.ifc.tx_add(struct.pack('<B', 0))
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self._finish_send_msg()
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log_lvl = self.log_lvl.get(0x4710, logging.WARNING)
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self.ifc.tx_log(log_lvl, 'Send heartbeat:')
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self.ifc.tx_flush()
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def send_data_cb(self, exp_cnt):
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'''send a inverter data message to the TSUN cloud'''
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self.hb_timer.start(self.hb_timeout)
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self.data_timer.start(self.data_up_inv)
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_len = 420
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ftype = 1
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build_msg = self.db.build(_len, 0x42, ftype)
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self._build_header(0x4210)
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self.ifc.tx_add(
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struct.pack(
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'<BHLLLHL', ftype, 0x02b0,
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self._emu_timestamp(),
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self.seconds_since_last_sync(),
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self.time_ofs,
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1, # offset 0x1a
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self.next_pkt_cnt()))
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self.ifc.tx_add(build_msg[0x20:])
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self._finish_send_msg()
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log_lvl = self.log_lvl.get(0x4210, logging.WARNING)
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self.ifc.tx_log(log_lvl, 'Send inv-data:')
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self.ifc.tx_flush()
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'''
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Message handler methods
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'''
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def msg_response(self):
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'''handle a received response from the TSUN cloud'''
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logger.debug("EMU received rsp:")
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_, _, ts, hb = super().msg_response()
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logger.debug(f"EMU ts:{ts} hb:{hb}")
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self.hb_timeout = hb
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self.time_ofs = ts - self._emu_timestamp()
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self.hb_timer.start(self.hb_timeout)
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def msg_unknown(self):
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'''counts a unknown or unexpected message from the TSUN cloud'''
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logger.warning(f"EMU Unknow Msg: ID:{int(self.control):#04x}")
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self.inc_counter('Unknown_Msg')
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