forked from M-Labs/kirdy
driver: rm thread use & make it asyncio callable
- make all cmds asyncio callable - control specific cmds can be enqueued to the handler synchronously
This commit is contained in:
parent
9c611fc861
commit
5166bb7ba8
@ -1,3 +1,4 @@
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import types
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import socket
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import json
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import logging
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@ -153,15 +154,14 @@ class InvalidCmd(Exception):
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pass
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class Device:
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def __init__(self, send_cmd_handler, send_raw_cmd_handler, read_msg_queue):
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def __init__(self, send_cmd_handler, send_raw_cmd_handler):
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self._cmd = CmdList.device
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self._send_cmd = send_cmd_handler
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self._send_raw_cmd = send_raw_cmd_handler
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self._read_msg_queue = read_msg_queue
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def set_ip_settings(self, addr="192.168.1.128", port=1337, prefix_len=24, gateway="192.168.1.1"):
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async def set_ip_settings(self, addr="192.168.1.128", port=1337, prefix_len=24, gateway="192.168.1.1"):
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"""
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After calling this fn, the ip settings are immediately saved into flash and will be effective on next reboot.
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Upon command execution, the ip settings are saved into flash and are effective upon next reboot.
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"""
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try:
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socket.inet_aton(addr)
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@ -175,7 +175,7 @@ class Device:
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if not(isinstance(port, int) and isinstance(prefix_len, int)):
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raise InvalidDataType
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return self._send_raw_cmd(
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return await self._send_raw_cmd(
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{
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"device_cmd": "SetIPSettings",
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"ip_settings": {
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@ -187,32 +187,31 @@ class Device:
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}
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)
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def set_active_report_mode(self, on):
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async def set_active_report_mode(self, on):
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"""
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Set active report to be on. If it is on, Kirdy will send status report
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to ALL client socket connections according to the temperature polling rate set.
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to the client socket according to the temperature polling rate set.
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetActiveReportMode, on)
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return await self._send_cmd(self._cmd._target, self._cmd.SetActiveReportMode, on)
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def set_pd_mon_fin_gain(self, gain):
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async def set_pd_mon_fin_gain(self, gain):
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"""
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Configure the photodiode monitor final analog front-end stage gain
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Configure the photodiode monitor final analog front-end stage gain.
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- gain: unitless
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetPdFinGain, gain)
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return await self._send_cmd(self._cmd._target, self._cmd.SetPdFinGain, gain)
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def set_pd_mon_transconductance(self, transconductance):
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async def set_pd_mon_transconductance(self, transconductance):
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"""
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Configure the photodiode monitor transconductance
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Configure the photodiode monitor transconductance value.
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- transconductance: 1/Ohm
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetPdTransconductance, transconductance)
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return await self._send_cmd(self._cmd._target, self._cmd.SetPdTransconductance, transconductance)
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def get_status_report(self, sig=None):
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async def get_status_report(self, sig=None):
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"""
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Get status of all peripherals in a json object
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Get status of all peripherals in a json object.
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Example of yielded data::
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{
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'ts': 227657, # Relative Timestamp (ms)
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'msg_type': 'Report' # Indicate it is a 'Report' json object
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@ -222,13 +221,17 @@ class Device:
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'ld_i_set': 0.0, # Laser Diode Output Current (A)
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'pd_i': 2.0000002e-06, # Internal Photodiode Monitor current (A)
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'pd_pwr': None, # Power Readings from Internal Photodiode (W). Return None if pd_mon parameter(s) are not defined.
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'term_50ohm': 'Is50Ohm' # Is the Low Frequency Modulation Input's Impedance 50 Ohm? (On/Off)
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'term_50ohm': 'On' # Is the Low Frequency Modulation Input's Impedance 50 Ohm? ("On"/"Off")
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},
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'thermostat': {
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'pwr_on': False, # Tec Power is On (True/False)
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'pid_engaged': False, # Is Pid_Engaged. If False, it is in Constant Current Mode (True/False)
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'temp_mon_status': { # Temperature Monitor:
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'status': 'Off', # (To be revised)
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'status': 'Off', # "Off": Power is Off
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# "ConstantCurrentMode": Thermostat is regulated in CC mode
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# "PidStartUp": PID Regulation is not stable
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# "PidStable": PID Regulation is stable and the temperature is within +-1mK to the setpoint
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# "OverTempAlarm": Overtemperature Alarm is triggered
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'over_temp_alarm': False # Was Laser Diode experienced an Overtemperature condition (True/False)
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},
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'temperature': 25.03344, # Temperature Readings (Degree Celsius)
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@ -238,15 +241,11 @@ class Device:
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}
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}
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"""
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if sig is None:
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self._send_cmd(self._cmd._target, self._cmd.GetStatusReport, msg_type="Report", sig=sig)
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return self._read_msg_queue()
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else:
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return self._send_cmd(self._cmd._target, self._cmd.GetStatusReport, msg_type="Report", sig=sig)
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return await self._send_cmd(self._cmd._target, self._cmd.GetStatusReport, msg_type="Report", sig=sig)
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def get_settings_summary(self, sig=None):
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async def get_settings_summary(self, sig=None):
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"""
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Get the current settings of laser and thermostat in a json object
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Get the current settings of laser and thermostat in a json object.
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{
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'msg_type': 'Settings', # Indicate it is a 'Settings' json object
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@ -255,13 +254,13 @@ class Device:
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'ld_drive_current': { # Laser Diode Output Current(A)
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'value': 0.0, # Value Set
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'max': 0.3 # Max Value Settable
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,
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},
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'pd_mon_params': { # Laser Diode Software Current Limit(A)
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'responsitivity': None, # Value Set
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'i_dark': 0.0 # Max Value Settable
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,
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'ld_pwr_limit': 0.0 # Laser Diode Power Limit(W)
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'ld_terms_short: False # Is Laser Diode Terminals short? (True/False)
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},
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'ld_pwr_limit': 0.0, # Laser Diode Power Limit(W)
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'ld_terms_short: False, # Is Laser Diode Terminals short? (True/False)
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},
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'thermostat': {
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'default_pwr_on': True, # Power on Thermostat at Startup
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@ -312,106 +311,101 @@ class Device:
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}
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}
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"""
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if sig is None:
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self._send_cmd(self._cmd._target, self._cmd.GetSettingsSummary, msg_type="Settings", sig=sig)
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return self._read_msg_queue()
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else:
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return self._send_cmd(self._cmd._target, self._cmd.GetSettingsSummary, msg_type="Settings", sig=sig)
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return await self._send_cmd(self._cmd._target, self._cmd.GetSettingsSummary, msg_type="Settings", sig=sig)
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def dfu(self):
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async def dfu(self):
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"""
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Issuing this cmd will HARD RESET the device and
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put Kirdy into Dfu mode for flashing firmware.
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Hard reset and put the connected Kirdy into the Dfu mode for firmware update.
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"""
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return self._send_cmd(self._cmd._target, self._cmd.Dfu, hard_reset=True)
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return await self._send_cmd(self._cmd._target, self._cmd.Dfu)
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def save_current_settings_to_flash(self):
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async def save_current_settings_to_flash(self):
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"""
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Save the current laser diode and thermostat configurations into flash.
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SaveFlashSettings)
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return await self._send_cmd(self._cmd._target, self._cmd.SaveFlashSettings)
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def restore_settings_from_flash(self):
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async def restore_settings_from_flash(self):
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"""
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Restore the laser diode and thermostat settings from flash
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Restore the laser diode and thermostat settings from flash.
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"""
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return self._send_cmd(self._cmd._target, self._cmd.LoadFlashSettings)
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return await self._send_cmd(self._cmd._target, self._cmd.LoadFlashSettings)
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def hard_reset(self):
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async def hard_reset(self):
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"""
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Hard Reset Kirdy. The socket connection will be closed by Kirdy.
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Laser diode power and Tec power will be turned off.
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Kirdy will send out a json({'msg_type': 'HardReset'}) to all sockets indicating. The device is being reset.
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Kirdy will send out a json({'msg_type': 'HardReset'}) to all sockets before hard reset take place.
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"""
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return self._send_cmd(self._cmd._target, self._cmd.HardReset, hard_reset=True)
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return await self._send_cmd(self._cmd._target, self._cmd.HardReset)
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class Laser:
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def __init__(self, send_cmd_handler):
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self._cmd = CmdList.ld
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self._send_cmd = send_cmd_handler
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def set_power_on(self, on):
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async def set_power_on(self, on):
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"""
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Power Up or Power Down laser diode. Powering up the Laser Diode resets the pwr_excursion status
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- on (True/False)
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"""
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if on:
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return self._send_cmd(self._cmd._target, self._cmd.PowerUp, None)
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return await self._send_cmd(self._cmd._target, self._cmd.PowerUp, None)
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else:
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return self._send_cmd(self._cmd._target, self._cmd.PowerDown, None)
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return await self._send_cmd(self._cmd._target, self._cmd.PowerDown, None)
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def set_default_pwr_on(self, on):
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async def set_default_pwr_on(self, on):
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"""
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Set whether laser diode is powered up at Startup
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Set whether laser diode is powered up at Startup.
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- on (True/False)
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetDefaultPowerOn, on)
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return await self._send_cmd(self._cmd._target, self._cmd.SetDefaultPowerOn, on)
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def set_ld_terms_short(self, short):
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async def set_ld_terms_short(self, short):
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"""
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Open/Short laser diode terminals.
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- on (True/False)
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"""
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if short:
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return self._send_cmd(self._cmd._target, self._cmd.LdTermsShort, None)
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return await self._send_cmd(self._cmd._target, self._cmd.LdTermsShort, None)
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else:
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return self._send_cmd(self._cmd._target, self._cmd.LdTermsOpen, None)
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return await self._send_cmd(self._cmd._target, self._cmd.LdTermsOpen, None)
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def set_i(self, i):
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async def set_i(self, i):
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"""
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Set laser diode output current: Max(0, Min(i_set, i_soft_limit))
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Set laser diode output current: Max(0, Min(i_set, 300mA)).
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- i: A
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetI, i)
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return await self._send_cmd(self._cmd._target, self._cmd.SetI, i)
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def set_pd_mon_responsitivity(self, responsitivity):
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async def set_pd_mon_responsitivity(self, responsitivity):
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"""
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Configure the photodiode monitor responsitivity parameter
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Configure the photodiode monitor responsitivity parameter.
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- responsitivity: A/W
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetPdResponsitivity, responsitivity)
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return await self._send_cmd(self._cmd._target, self._cmd.SetPdResponsitivity, responsitivity)
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def set_pd_mon_dark_current(self, dark_current):
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async def set_pd_mon_dark_current(self, dark_current):
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"""
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Configure the photodiode monitor dark current parameter
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Configure the photodiode monitor dark current parameter.
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- dark_current: A
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetPdDarkCurrent, dark_current)
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return await self._send_cmd(self._cmd._target, self._cmd.SetPdDarkCurrent, dark_current)
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def set_ld_pwr_limit(self, pwr_limit):
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async def set_ld_pwr_limit(self, pwr_limit):
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"""
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Set power limit for the power excursion monitor
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Set the power limit for the power excursion monitor.
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If the calculated power with the params of pd_mon > pwr_limit,
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overpower protection is triggered.
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- pwr_limit: W
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetLdPwrLimit, pwr_limit)
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return await self._send_cmd(self._cmd._target, self._cmd.SetLdPwrLimit, pwr_limit)
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def clear_alarm(self):
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async def clear_alarm(self):
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"""
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Clear the power excursion monitor alarm
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Clear the power excursion monitor alarm.
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"""
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return self._send_cmd(self._cmd._target, self._cmd.ClearAlarm)
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return await self._send_cmd(self._cmd._target, self._cmd.ClearAlarm)
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class Thermostat:
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def __init__(self, send_cmd_handler, send_raw_cmd_handler):
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@ -419,158 +413,158 @@ class Thermostat:
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self._send_cmd = send_cmd_handler
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self._send_raw_cmd = send_raw_cmd_handler
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def set_power_on(self, on):
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async def set_power_on(self, on):
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"""
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Power up or power down thermostat
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Power up or power down thermostat.
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- Powering up the thermostat resets the pwr_excursion status
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"""
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if on:
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return self._send_cmd(self._cmd._target, self._cmd.PowerUp, None)
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return await self._send_cmd(self._cmd._target, self._cmd.PowerUp, None)
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else:
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return self._send_cmd(self._cmd._target, self._cmd.PowerDown, None)
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return await self._send_cmd(self._cmd._target, self._cmd.PowerDown, None)
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def set_default_pwr_on(self, on):
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async def set_default_pwr_on(self, on):
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"""
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Set whether thermostat is powered up at Startup
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Set whether thermostat is powered up at Startup.
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- on: (True/False)
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetDefaultPowerOn, on)
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return await self._send_cmd(self._cmd._target, self._cmd.SetDefaultPowerOn, on)
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def set_tec_max_v(self, max_v):
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async def set_tec_max_v(self, max_v):
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"""
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Set Tec Maximum Voltage Across the TEC Terminals
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Set Tec Maximum Voltage Across the TEC Terminals.
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- max_v: V
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetTecMaxV, max_v)
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return await self._send_cmd(self._cmd._target, self._cmd.SetTecMaxV, max_v)
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def set_tec_max_cooling_i(self, max_i_pos):
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async def set_tec_max_cooling_i(self, max_i_pos):
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"""
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Set Tec maximum cooling current (Settable Range: 0.0 - 1.0)
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- max_i_pos: A
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetTecMaxIPos, max_i_pos)
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return await self._send_cmd(self._cmd._target, self._cmd.SetTecMaxIPos, max_i_pos)
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def set_tec_max_heating_i(self, max_i_neg):
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async def set_tec_max_heating_i(self, max_i_neg):
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"""
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Set Tec maximum heating current (Settable Range: 0.0 - 1.0)
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- max_i_neg: A
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetTecMaxINeg, max_i_neg)
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return await self._send_cmd(self._cmd._target, self._cmd.SetTecMaxINeg, max_i_neg)
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def set_tec_i_out(self, i_out):
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async def set_tec_i_out(self, i_out):
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"""
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Set Tec Output Current
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Set Tec Output Current (Settable Range: 0.0 - 1.0)
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This cmd is only effective in constant current control mode
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or your newly set value will be overwritten by PID Controller Output
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- i_out: A
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"""
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if isinstance(i_out, float):
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return self._send_raw_cmd({"tec_set_i": i_out})
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return await self._send_raw_cmd({"tec_set_i": i_out})
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elif isinstance(i_out, int):
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return self._send_raw_cmd({"tec_set_i": float(i_out)})
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return await self._send_raw_cmd({"tec_set_i": float(i_out)})
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else:
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raise InvalidDataType
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def set_constant_current_control_mode(self):
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async def set_constant_current_control_mode(self):
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"""
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Disable PID Controller and output current can be controlled with set_tec_i_out() cmd.
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetPidDisEngage, None)
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return await self._send_cmd(self._cmd._target, self._cmd.SetPidDisEngage, None)
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def set_temperature_setpoint(self, temperature):
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async def set_temperature_setpoint(self, temperature):
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"""
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Set Temperature Setpoint for PID Controller. This parameter is not active in constant current control mode
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- temperature: Degree Celsius
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetTemperatureSetpoint, temperature)
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return await self._send_cmd(self._cmd._target, self._cmd.SetTemperatureSetpoint, temperature)
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def set_pid_control_mode(self):
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async def set_pid_control_mode(self):
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"""
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Enable PID Controller. Its PID Update Interval is controlled by the Temperature ADC polling rate.
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Please refer to config_temp_adc_filter for the possible polling rate options
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetPidEngage, None)
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return await self._send_cmd(self._cmd._target, self._cmd.SetPidEngage, None)
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def set_pid_kp(self, kp):
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async def set_pid_kp(self, kp):
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"""
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Set Kp parameter for PID Controller
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kp: (unitless)
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetPidKp, kp)
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return await self._send_cmd(self._cmd._target, self._cmd.SetPidKp, kp)
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def set_pid_ki(self, ki):
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async def set_pid_ki(self, ki):
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"""
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Set Ki parameter for PID Controller
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ki: (unitless)
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"""
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return self._send_cmd(self._cmd._target, self._cmd.SetPidKi, ki)
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return await self._send_cmd(self._cmd._target, self._cmd.SetPidKi, ki)
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def set_pid_kd(self, kd):
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async def set_pid_kd(self, kd):
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"""
|
||||
Set Kd parameter for PID Controller
|
||||
kd: (unitless)
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.SetPidKd, kd)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.SetPidKd, kd)
|
||||
|
||||
def set_pid_output_max(self, out_max):
|
||||
async def set_pid_output_max(self, out_max):
|
||||
"""
|
||||
Set max output limit at the PID Output
|
||||
- out_max: A
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.SetPidOutMax, out_max)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.SetPidOutMax, out_max)
|
||||
|
||||
def set_pid_output_min(self, out_min):
|
||||
async def set_pid_output_min(self, out_min):
|
||||
"""
|
||||
Set min output limit at the PID Output
|
||||
- out_min: A
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.SetPidOutMin, out_min)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.SetPidOutMin, out_min)
|
||||
|
||||
def set_temp_mon_upper_limit(self, upper_limit):
|
||||
async def set_temp_mon_upper_limit(self, upper_limit):
|
||||
"""
|
||||
Set Temperature Monitor Upper Limit Threshold. Exceeding the limit for too long
|
||||
will force the TEC Controller, PID Controller and Laser Diode Power to Shutdown
|
||||
- upper_limit: Degree Celsius
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.SetTempMonUpperLimit, upper_limit)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.SetTempMonUpperLimit, upper_limit)
|
||||
|
||||
def set_temp_mon_lower_limit(self, lower_limit):
|
||||
async def set_temp_mon_lower_limit(self, lower_limit):
|
||||
"""
|
||||
Set Temperature Monitor Lower Limit Threshold. Exceeding the limit for too long
|
||||
will force the TEC Controller, PID Controller and Laser Diode Power to Shutdown
|
||||
- lower_limit: Degree Celsius
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.SetTempMonLowerLimit, lower_limit)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.SetTempMonLowerLimit, lower_limit)
|
||||
|
||||
def clear_alarm(self):
|
||||
async def clear_alarm(self):
|
||||
"""
|
||||
Clear the temperature monitor alarm
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.ClearAlarm)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.ClearAlarm)
|
||||
|
||||
def set_sh_t0(self, t0):
|
||||
async def set_sh_t0(self, t0):
|
||||
"""
|
||||
Set t0 Steinhart-Hart parameter for the laser diode NTC
|
||||
- t0: Degree Celsius
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.SetShT0, t0)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.SetShT0, t0)
|
||||
|
||||
def set_sh_r0(self, r0):
|
||||
async def set_sh_r0(self, r0):
|
||||
"""
|
||||
Set r0 Steinhart-Hart parameter for the laser diode NTC
|
||||
- r0: Ohm
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.SetShR0, r0)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.SetShR0, r0)
|
||||
|
||||
def set_sh_beta(self, beta):
|
||||
async def set_sh_beta(self, beta):
|
||||
"""
|
||||
Set beta Steinhart-Hart parameter for the laser diode NTC
|
||||
- beta: (unitless)
|
||||
"""
|
||||
return self._send_cmd(self._cmd._target, self._cmd.SetShBeta, beta)
|
||||
return await self._send_cmd(self._cmd._target, self._cmd.SetShBeta, beta)
|
||||
|
||||
def config_temp_adc_filter(self, filter_config):
|
||||
async def config_temp_adc_filter(self, filter_config):
|
||||
"""
|
||||
Configure the temperature adc filter type and sampling rate.
|
||||
Please refer to AD7172 datasheet for the usage of various types of filter.
|
||||
@ -591,29 +585,35 @@ class Thermostat:
|
||||
filter_config._odr_type(): filter_config,
|
||||
}
|
||||
|
||||
return self._send_raw_cmd(cmd)
|
||||
|
||||
return await self._send_raw_cmd(cmd)
|
||||
class Kirdy:
|
||||
def __init__(self):
|
||||
self.device = Device(self._send_cmd_handler, self._send_raw_cmd_handler, self._get_msg)
|
||||
self.laser = Laser(self._send_cmd_handler)
|
||||
self.thermostat = Thermostat(self._send_cmd_handler, self._send_raw_cmd_handler)
|
||||
self.device = Device(self._send_cmd, self._send_raw_cmd)
|
||||
self.laser = Laser(self._send_cmd)
|
||||
self.thermostat = Thermostat(self._send_cmd, self._send_raw_cmd)
|
||||
|
||||
self._task_queue, self._msg_queue, self._int_msg_queue, self._report_queue = None, None, None, None
|
||||
self._task_queue, self._int_msg_queue, self._report_queue = None, None, None
|
||||
self._timeout = 5.0
|
||||
self._writer, self._reader = None, None
|
||||
self._event_loop = None
|
||||
|
||||
self._lock = asyncio.Lock()
|
||||
self._msg_queue_get_report = False
|
||||
self._report_mode_on = False
|
||||
self._state = State.disconnected
|
||||
|
||||
self.read_response_task, self.handler_task = None, None
|
||||
self._lock = asyncio.Lock()
|
||||
|
||||
# PyQt Signal
|
||||
self._report_sig = None # Dict
|
||||
self._connected_sig = None # Bool
|
||||
|
||||
self.connected_event = None
|
||||
|
||||
|
||||
def set_report_sig(self, sig):
|
||||
"""
|
||||
Connect a PyQt Signal to the active report output(dict)
|
||||
Connect a PyQt Signal to the active report output(dict). This should be configured before the session is started.
|
||||
"""
|
||||
self._report_sig = sig
|
||||
|
||||
@ -625,40 +625,41 @@ class Kirdy:
|
||||
"""
|
||||
self._connected_sig = sig
|
||||
|
||||
def start_session(self, host='192.168.1.128', port=1337, timeout=5.0, con_retry=5.0):
|
||||
def start_session(self, host='192.168.1.128', port=1337):
|
||||
"""
|
||||
Start Kirdy Connection Session.
|
||||
A new thread is started to handle TCP connection and task execution in the background.
|
||||
In case of disconnection, all the queued tasks are cleared and the thread retries TCP connection indefinitely.
|
||||
|
||||
Start Kirdy Connection Session.
|
||||
In case of disconnection, all the queued tasks are cleared and the handler task retries TCP connection indefinitely.
|
||||
- host: Kirdy's IP Address
|
||||
- port: Kirdy's TCP Port
|
||||
- port: Kirdy's Port Number
|
||||
"""
|
||||
self._host, self._ctrl_port = host, port
|
||||
if self._event_loop is None:
|
||||
self._host, self._ctrl_port = host, port
|
||||
self._timeout, self._con_retry = timeout, con_retry
|
||||
|
||||
self._event_loop = asyncio.new_event_loop()
|
||||
self._thread = Thread(target=self._event_loop.run_forever)
|
||||
self._thread.start()
|
||||
asyncio.run_coroutine_threadsafe(self._handler(), self._event_loop)
|
||||
return True
|
||||
else:
|
||||
logging.warning("Helper Thread has been started.")
|
||||
return False
|
||||
try:
|
||||
self._event_loop = asyncio.get_running_loop()
|
||||
except:
|
||||
self._event_loop = asyncio.new_event_loop()
|
||||
self._event_loop.run_forever()
|
||||
self.connected_event = asyncio.Event()
|
||||
self.handler_task = asyncio.create_task(self._handler())
|
||||
|
||||
def end_session(self, block=False):
|
||||
async def end_session(self, block=False):
|
||||
"""
|
||||
Stop Kirdy's TCP connection and its associated thread.
|
||||
"""
|
||||
if self._event_loop is not None:
|
||||
if block:
|
||||
while not(self._task_queue.empty()):
|
||||
pass
|
||||
cancel_task = asyncio.run_coroutine_threadsafe(self._stop_handler(), self._event_loop)
|
||||
while not(cancel_task.done()):
|
||||
pass
|
||||
self._thread.join()
|
||||
await self._task_queue.join()
|
||||
|
||||
if self.read_response_task is not None:
|
||||
self.read_response_task.cancel()
|
||||
await self.read_response_task
|
||||
self.read_response_task = None
|
||||
|
||||
if self.handler_task is not None:
|
||||
self.handler_task.cancel()
|
||||
await self.handler_task
|
||||
self.handler_task = None
|
||||
|
||||
self._writer = None
|
||||
|
||||
if self._connected_sig is not None:
|
||||
@ -668,7 +669,7 @@ class Kirdy:
|
||||
"""
|
||||
Return True if client is connecting
|
||||
"""
|
||||
return not self.connected() and self._event_loop is not None
|
||||
return self._state == State.disconnected and self.read_response_task is not None
|
||||
|
||||
def connected(self):
|
||||
"""
|
||||
@ -676,28 +677,43 @@ class Kirdy:
|
||||
"""
|
||||
return self._writer is not None
|
||||
|
||||
def get_report_stream(self):
|
||||
"""
|
||||
Start reporting device status in json object.
|
||||
"""
|
||||
if self.connected():
|
||||
self._report_mode_on = True
|
||||
async def wait_until_connected(self):
|
||||
if not(self.connected()):
|
||||
await self.connected_event.wait()
|
||||
|
||||
self.device.set_active_report_mode(True)
|
||||
async def report_mode(self):
|
||||
"""
|
||||
Enable and retrieve active report from Kirdy
|
||||
"""
|
||||
if self.connected():
|
||||
self._report_mode_on = True
|
||||
await self.device.set_active_report_mode(True)
|
||||
report = None
|
||||
|
||||
while self._report_mode_on:
|
||||
report = self._report_queue.get()
|
||||
if isinstance(report, Exception):
|
||||
raise report
|
||||
yield report
|
||||
|
||||
self.device.set_active_report_mode(False)
|
||||
report = await self._report_queue.get()
|
||||
if not(isinstance(report, dict)):
|
||||
self.stop_active_report()
|
||||
else:
|
||||
yield report
|
||||
|
||||
if isinstance(report, dict):
|
||||
await self.device.set_active_report_mode(False)
|
||||
else:
|
||||
raise ConnectionError
|
||||
|
||||
def stop_report_mode(self):
|
||||
self._report_mode_on = False
|
||||
|
||||
def task_dispatcher(self, awaitable_fn):
|
||||
"""
|
||||
Enqueue a task to be handled by the handler.
|
||||
"""
|
||||
if self.connected():
|
||||
self._task_queue.put_nowait(lambda: awaitable_fn)
|
||||
else:
|
||||
raise ConnectionError
|
||||
|
||||
async def _sock_disconnection_handling(self):
|
||||
# Reader needn't be closed
|
||||
try:
|
||||
@ -709,11 +725,6 @@ class Kirdy:
|
||||
self._reader = None
|
||||
self._writer = None
|
||||
|
||||
for i in range(self._msg_queue.maxsize):
|
||||
if self._msg_queue.full():
|
||||
self._msg_queue.get_nowait()
|
||||
self._msg_queue.put_nowait(None)
|
||||
|
||||
for i in range(self._report_queue.maxsize):
|
||||
if self._report_queue.full():
|
||||
self._report_queue.get_nowait()
|
||||
@ -724,97 +735,79 @@ class Kirdy:
|
||||
|
||||
async def _handler(self):
|
||||
try:
|
||||
state = State.disconnected
|
||||
self._state = State.disconnected
|
||||
first_con = True
|
||||
task = None
|
||||
while True:
|
||||
if state == State.disconnected:
|
||||
if self._state == State.disconnected:
|
||||
try:
|
||||
await self.__coninit(self._timeout)
|
||||
read_response_fut = asyncio.run_coroutine_threadsafe(self._read_response_handler(), self._event_loop)
|
||||
self.read_response_task = asyncio.create_task(self._read_response_handler())
|
||||
task = None
|
||||
logging.debug("Connected")
|
||||
logging.info("Connected to %s:%d", self._host, self._ctrl_port)
|
||||
self.connected_event.set()
|
||||
|
||||
# State Transition
|
||||
state = State.connected
|
||||
self._state = State.connected
|
||||
except (OSError, TimeoutError):
|
||||
if first_con:
|
||||
first_con = False
|
||||
logging.warning("Cannot connect to %s:%d. Retrying in the background", self._host, self._ctrl_port)
|
||||
await asyncio.sleep(self._con_retry)
|
||||
logging.warning("Cannot connect to %s:%d. Retrying in the background.", self._host, self._ctrl_port)
|
||||
await asyncio.sleep(5.0)
|
||||
|
||||
elif state == State.connected:
|
||||
elif self._state == State.connected:
|
||||
try:
|
||||
task = await self._task_queue.get()
|
||||
if isinstance(task, Exception):
|
||||
raise task
|
||||
|
||||
response = await asyncio.wait_for(task(), self._timeout)
|
||||
if response is not None:
|
||||
if response["msg_type"] != "Acknowledge":
|
||||
self._msg_queue.put_nowait(response)
|
||||
await task()
|
||||
self._task_queue.task_done()
|
||||
|
||||
except (TimeoutError, ConnectionResetError):
|
||||
logging.warning("Kirdy connection is dropped.")
|
||||
except (TimeoutError, ConnectionResetError, ConnectionError):
|
||||
logging.warning("Connection to Kirdy is dropped.")
|
||||
first_con = True
|
||||
read_response_fut.cancel()
|
||||
await self._sock_disconnection_handling()
|
||||
|
||||
# State Transition
|
||||
state = State.disconnected
|
||||
self.read_response_task.cancel()
|
||||
|
||||
# State Transition
|
||||
self._state = State.disconnected
|
||||
await self._sock_disconnection_handling()
|
||||
except asyncio.exceptions.CancelledError:
|
||||
logging.debug("Handler is canceling")
|
||||
pass
|
||||
except:
|
||||
logging.debug("Handler experienced an error. Exiting.", exc_info=True)
|
||||
logging.warning("Handler experienced an error.", exc_info=True)
|
||||
await self._sock_disconnection_handling()
|
||||
if self._event_loop is not None:
|
||||
self._event_loop.call_soon_threadsafe(self._event_loop.stop)
|
||||
self._event_loop = None
|
||||
|
||||
async def _read_response_handler(self):
|
||||
try:
|
||||
while True:
|
||||
if self._report_mode_on:
|
||||
responses = await asyncio.wait_for(self._read_response(), 5.0)
|
||||
responses = await asyncio.wait_for(self._read_response(), self._timeout)
|
||||
else:
|
||||
responses = await self._read_response()
|
||||
for response in responses:
|
||||
if response["msg_type"] == 'HardReset':
|
||||
raise asyncio.exceptions.CancelledError
|
||||
if response["msg_type"] == 'Report' and not self._msg_queue_get_report:
|
||||
if self._report_sig is None:
|
||||
if self._report_queue.full():
|
||||
self._report_queue.get_nowait()
|
||||
self._report_queue.put_nowait(response)
|
||||
self._report_queue.put_nowait_overwrite(response)
|
||||
else:
|
||||
self._report_sig.emit(response)
|
||||
else:
|
||||
if self._msg_queue_get_report:
|
||||
async with self._lock:
|
||||
self._msg_queue_get_report = False
|
||||
if self._int_msg_queue.full():
|
||||
logging.debug("_int_msg_queue is full")
|
||||
self._int_msg_queue.get_nowait()
|
||||
self._int_msg_queue.put_nowait(response)
|
||||
self._msg_queue_get_report = False
|
||||
self._int_msg_queue.put_nowait_overwrite(response)
|
||||
except asyncio.exceptions.CancelledError:
|
||||
logging.debug("Read Response Handler is canceling")
|
||||
except TimeoutError:
|
||||
logging.warning("Read active report response timeout")
|
||||
if self._task_queue.full():
|
||||
logging.debug("_int_msg_queue is full")
|
||||
self._task_queue.get_nowait()
|
||||
self._task_queue.put_nowait(TimeoutError())
|
||||
except ConnectionResetError:
|
||||
logging.warning("Connection Reset by peer")
|
||||
if self._task_queue.full():
|
||||
logging.debug("_int_msg_queue is full")
|
||||
self._task_queue.get_nowait()
|
||||
self._task_queue.put_nowait(ConnectionResetError())
|
||||
except:
|
||||
pass
|
||||
except (TimeoutError, ConnectionResetError, ConnectionError) as exec:
|
||||
self._task_queue.put_nowait_overwrite(exec)
|
||||
self._int_msg_queue.put_nowait_overwrite(exec)
|
||||
except Exception as exec:
|
||||
logging.warn("Read Response Handler experienced an error. Exiting.", exc_info=True)
|
||||
|
||||
self._task_queue.put_nowait_overwrite(exec)
|
||||
self._int_msg_queue.put_nowait_overwrite(exec)
|
||||
if self._report_mode_on:
|
||||
self._report_mode_on = False
|
||||
self._report_queue.put_nowait(TimeoutError)
|
||||
self._report_queue.put_nowait_overwrite(TimeoutError)
|
||||
|
||||
async def _stop_handler(self):
|
||||
for task in asyncio.all_tasks():
|
||||
@ -822,10 +815,21 @@ class Kirdy:
|
||||
await asyncio.gather(*asyncio.all_tasks(), loop=self._event_loop)
|
||||
|
||||
async def __coninit(self, timeout):
|
||||
self._task_queue = asyncio.Queue(maxsize=64)
|
||||
def _put_nowait_overwrite(self, item):
|
||||
if self.full():
|
||||
self.get_nowait()
|
||||
self.put_nowait(item)
|
||||
asyncio.Queue.put_nowait_overwrite = _put_nowait_overwrite
|
||||
|
||||
if self._task_queue is not None:
|
||||
while not(self._task_queue.empty()):
|
||||
task = self._task_queue.get_nowait()
|
||||
if isinstance(task, types.FunctionType):
|
||||
task().close()
|
||||
else:
|
||||
self._task_queue = asyncio.Queue(maxsize=16)
|
||||
self._int_msg_queue = asyncio.Queue(maxsize=4)
|
||||
self._msg_queue = queue.Queue(maxsize=64)
|
||||
self._report_queue = queue.Queue(maxsize=16)
|
||||
self._report_queue = asyncio.Queue(maxsize=16)
|
||||
|
||||
self._reader, self._writer = await asyncio.wait_for(asyncio.open_connection(self._host, self._ctrl_port), timeout)
|
||||
writer_sock = self._writer.get_extra_info("socket")
|
||||
@ -846,47 +850,25 @@ class Kirdy:
|
||||
for item in response:
|
||||
items.append(json.loads(item))
|
||||
return items
|
||||
|
||||
def _get_msg(self):
|
||||
msg = self._msg_queue.get()
|
||||
return msg
|
||||
|
||||
def _send_raw_cmd_handler(self, cmd, msg_type="Acknowledge", sig=None):
|
||||
if self.connected():
|
||||
self._event_loop.call_soon_threadsafe(self._task_queue.put_nowait, lambda: self._send_raw_cmd(cmd, msg_type, sig=sig))
|
||||
else:
|
||||
raise ConnectionError
|
||||
|
||||
# If the cmd involves a cmd specific data type,
|
||||
# checking is done separately within the functions being called
|
||||
async def _send_raw_cmd(self, cmd, msg_type, sig=None):
|
||||
async def _send_raw_cmd(self, cmd, msg_type="Acknowledge", sig=None):
|
||||
if self.connected():
|
||||
self._writer.write(bytes(json.dumps(cmd), "UTF-8"))
|
||||
await self._writer.drain()
|
||||
response = await self._int_msg_queue.get()
|
||||
if response["msg_type"] == msg_type:
|
||||
async with self._lock:
|
||||
self._writer.write(bytes(json.dumps(cmd), "UTF-8"))
|
||||
await self._writer.drain()
|
||||
msg = await asyncio.wait_for(self._int_msg_queue.get(), self._timeout)
|
||||
|
||||
if msg["msg_type"] == msg_type:
|
||||
if sig is not None:
|
||||
sig.emit(response)
|
||||
sig.emit(msg)
|
||||
return {"msg_type": "Acknowledge"}
|
||||
return response
|
||||
return msg
|
||||
else:
|
||||
raise InvalidCmd
|
||||
else:
|
||||
raise ConnectionError
|
||||
|
||||
def _send_cmd_handler(self, target, cmd, data=None, msg_type="Acknowledge", sig=None, hard_reset=False):
|
||||
if self.connected():
|
||||
if hard_reset:
|
||||
while not(self._task_queue.empty()):
|
||||
pass
|
||||
self._event_loop.call_soon_threadsafe(self._task_queue.put_nowait, lambda: self._send_cmd(target, cmd, data, msg_type, sig=sig))
|
||||
if hard_reset:
|
||||
# Wait 1s for Kirdy to hard reset
|
||||
time.sleep(1.0)
|
||||
else:
|
||||
raise ConnectionError
|
||||
|
||||
async def _send_cmd(self, target, cmd, data, msg_type, sig=None):
|
||||
async def _send_cmd(self, target, cmd, data=None, msg_type="Acknowledge", sig=None):
|
||||
cmd_dict = {}
|
||||
cmd_dict[target] = cmd.name
|
||||
|
||||
@ -904,17 +886,21 @@ class Kirdy:
|
||||
pass
|
||||
|
||||
if msg_type == 'Report':
|
||||
async with self._lock:
|
||||
self._msg_queue_get_report = True
|
||||
self._msg_queue_get_report = True
|
||||
|
||||
self._writer.write(bytes(json.dumps(cmd_dict), "UTF-8"))
|
||||
await self._writer.drain()
|
||||
async with self._lock:
|
||||
self._writer.write(bytes(json.dumps(cmd_dict), "UTF-8"))
|
||||
await self._writer.drain()
|
||||
|
||||
msg = await asyncio.wait_for(self._int_msg_queue.get(), self._timeout)
|
||||
if isinstance(msg, Exception):
|
||||
raise msg
|
||||
|
||||
msg = await self._int_msg_queue.get()
|
||||
if msg['msg_type'] == msg_type:
|
||||
if sig is not None:
|
||||
sig.emit(msg)
|
||||
return {"msg_type": "Acknowledge"}
|
||||
return msg
|
||||
else:
|
||||
return msg
|
||||
else:
|
||||
raise InvalidCmd
|
||||
|
||||
Loading…
Reference in New Issue
Block a user