mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
0dd3cd4635
in case of a Icom IC-705 we have the behavior, that this device will be recognized as two usb devices. In this case we need to have a way to select the correct one...
235 lines
9.2 KiB
Python
Executable file
235 lines
9.2 KiB
Python
Executable file
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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"""
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Created on Tue Dec 22 16:58:45 2020
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@author: DJ2LS
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"""
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import argparse
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import threading
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import socketserver
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import time
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import os
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import sys
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import subprocess
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import ujson as json
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import psutil
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import serial.tools.list_ports
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import pyaudio
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import static
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import crcengine
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crc_algorithm = crcengine.new('crc16-ccitt-false') # load crc8 library
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def start_daemon():
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try:
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print("SRV | STARTING TCP/IP SOCKET FOR CMD ON PORT: " + str(PORT))
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# https://stackoverflow.com/a/16641793
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socketserver.TCPServer.allow_reuse_address = True
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daemon = socketserver.TCPServer(
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('0.0.0.0', PORT), CMDTCPRequestHandler)
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daemon.serve_forever()
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finally:
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daemon.server_close()
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class CMDTCPRequestHandler(socketserver.BaseRequestHandler):
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def handle(self):
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print("Client connected...")
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# loop through socket buffer until timeout is reached. then close buffer
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socketTimeout = time.time() + 3
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while socketTimeout > time.time():
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time.sleep(0.01)
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encoding = 'utf-8'
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#data = str(self.request.recv(1024), 'utf-8')
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data = bytes()
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# we need to loop through buffer until end of chunk is reached or timeout occured
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while True and socketTimeout > time.time():
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chunk = self.request.recv(45)
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data += chunk
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# or chunk.endswith(b'\n'):
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if chunk.endswith(b'}\n') or chunk.endswith(b'}'):
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break
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data = data[:-1] # remove b'\n'
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data = str(data, 'utf-8')
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if len(data) > 0:
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socketTimeout = time.time() + 3
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# convert data to json object
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# we need to do some error handling in case of socket timeout
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try:
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# only read first line of string. multiple lines will cause an json error
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# this occurs possibly, if we are getting data too fast
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data = data.splitlines()[0]
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received_json = json.loads(data)
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# GET COMMANDS
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# "command" : "..."
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# SET COMMANDS
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# "command" : "..."
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# "parameter" : " ..."
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# DATA COMMANDS
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# "command" : "..."
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# "type" : "..."
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# "dxcallsign" : "..."
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# "data" : "..."
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# print(received_json)
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# print(received_json["type"])
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# print(received_json["command"])
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# try:
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if received_json["type"] == 'SET' and received_json["command"] == 'STARTTNC' and not static.TNCSTARTED:
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rx_audio = str(received_json["parameter"][0]["rx_audio"])
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tx_audio = str(received_json["parameter"][0]["tx_audio"])
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deviceid = str(received_json["parameter"][0]["deviceid"])
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deviceport = str(
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received_json["parameter"][0]["deviceport"])
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serialspeed = str(
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received_json["parameter"][0]["serialspeed"])
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pttprotocol = str(
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received_json["parameter"][0]["pttprotocol"])
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pttport = str(received_json["parameter"][0]["pttport"])
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print("---- STARTING TNC !")
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print(received_json["parameter"][0])
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# command = "--rx "+ rx_audio +" \
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# --tx "+ tx_audio +" \
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# --deviceport "+ deviceport +" \
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# --deviceid "+ deviceid + " \
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# --serialspeed "+ serialspeed + " \
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# --pttprotocol "+ pttprotocol + " \
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# --pttport "+ pttport
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# list of parameters, necessary for running subprocess command as a list
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options = []
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options.append('--rx')
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options.append(rx_audio)
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options.append('--tx')
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options.append(tx_audio)
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options.append('--deviceport')
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options.append(deviceport)
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options.append('--deviceid')
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options.append(deviceid)
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options.append('--serialspeed')
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options.append(serialspeed)
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options.append('--pttprotocol')
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options.append(pttprotocol)
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options.append('--pttport')
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options.append(pttport)
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# try running tnc from binary, else run from source
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# this helps running the tnc in a developer environment
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try:
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command = []
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command.append('./tnc')
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command += options
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p = subprocess.Popen(command)
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print("running TNC from binary...")
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except Exception as e:
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print(e)
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command = []
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command.append('python3')
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command.append('main.py')
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command += options
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p = subprocess.Popen(command)
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print("running TNC from source...")
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static.TNCPROCESS = p # .pid
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static.TNCSTARTED = True
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if received_json["type"] == 'SET' and received_json["command"] == 'STOPTNC':
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static.TNCPROCESS.kill()
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print("KILLING PROCESS ------------")
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#os.kill(static.TNCPROCESS, signal.SIGKILL)
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static.TNCSTARTED = False
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if received_json["type"] == 'GET' and received_json["command"] == 'DAEMON_STATE':
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data = {'COMMAND': 'DAEMON_STATE', 'DAEMON_STATE': [], 'INPUT_DEVICES': [], 'OUTPUT_DEVICES': [], 'SERIAL_DEVICES': [
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], "CPU": str(psutil.cpu_percent()), "RAM": str(psutil.virtual_memory().percent), "VERSION": "0.1-prototype"}
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if static.TNCSTARTED:
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data["DAEMON_STATE"].append({"STATUS": "running"})
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else:
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data["DAEMON_STATE"].append({"STATUS": "stopped"})
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# UPDATE LIST OF AUDIO DEVICES
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p = pyaudio.PyAudio()
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for i in range(0, p.get_device_count()):
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maxInputChannels = p.get_device_info_by_host_api_device_index(
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0, i).get('maxInputChannels')
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maxOutputChannels = p.get_device_info_by_host_api_device_index(
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0, i).get('maxOutputChannels')
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name = p.get_device_info_by_host_api_device_index(
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0, i).get('name')
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if maxInputChannels > 0:
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data["INPUT_DEVICES"].append(
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{"ID": i, "NAME": str(name)})
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if maxOutputChannels > 0:
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data["OUTPUT_DEVICES"].append(
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{"ID": i, "NAME": str(name)})
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p.terminate()
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# UPDATE LIST OF SERIAL DEVICES
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ports = serial.tools.list_ports.comports()
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for port, desc, hwid in ports:
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# calculate hex of hwid if we have unique names
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crc_hwid = crc_algorithm(bytes(hwid, encoding='utf-8'))
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crc_hwid = crc_hwid.to_bytes(2, byteorder='big')
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crc_hwid = crc_hwid.hex()
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description = desc + ' [' + crc_hwid + ']'
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data["SERIAL_DEVICES"].append(
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{"PORT": str(port), "DESCRIPTION": str(description) })
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jsondata = json.dumps(data)
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self.request.sendall(bytes(jsondata, encoding))
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# exception, if JSON cant be decoded
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# except Exception as e:
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except ValueError as e:
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print("############ START OF ERROR #####################")
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print('DAEMON PROGRAM ERROR: %s' % str(e))
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print("Wrong command")
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print(data)
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print(e)
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exc_type, exc_tb = sys.exc_info()
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fname = os.path.split(exc_tb.tb_frame.f_code.co_filename)[1]
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print(exc_type, fname, exc_tb.tb_lineno)
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print("############ END OF ERROR #######################")
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print("Client disconnected...")
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if __name__ == '__main__':
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# --------------------------------------------GET PARAMETER INPUTS
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PARSER = argparse.ArgumentParser(description='Simons TEST TNC')
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PARSER.add_argument('--port', dest="socket_port",
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default=3001, help="Socket port", type=int)
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ARGS = PARSER.parse_args()
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PORT = ARGS.socket_port
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# --------------------------------------------START CMD SERVER
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DAEMON_THREAD = threading.Thread(target=start_daemon, name="daemon")
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DAEMON_THREAD.start()
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