mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
209 lines
8.1 KiB
Python
209 lines
8.1 KiB
Python
#!/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 pyaudio
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import time
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import ujson as json
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import subprocess
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import os
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import static
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import psutil
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import sys
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#PORT = 3001
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#TNCPROCESS = 0
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#TNCSTARTED = False
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#p = pyaudio.PyAudio()
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#info = p.get_host_api_info_by_index(0)
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#numdevices = info.get('deviceCount')
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#for each audio device, determine if is an input or an output and add it to the appropriate list and dictionary
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#for i in range (0,numdevices):
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# if p.get_device_info_by_host_api_device_index(0,i).get('maxInputChannels')>0:
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# print("Input Device id ", i, " - ", p.get_device_info_by_host_api_device_index(0,i).get('name'))#
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#
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# if p.get_device_info_by_host_api_device_index(0,i).get('maxOutputChannels')>0:
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# print("Output Device id ", i, " - ", p.get_device_info_by_host_api_device_index(0,i).get('name'))
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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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socketserver.TCPServer.allow_reuse_address = True # https://stackoverflow.com/a/16641793
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daemon = socketserver.TCPServer(('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(1024) # .strip()
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data += chunk
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if chunk.startswith(b'{') and chunk.endswith(b'}\n'):
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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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#print(data)
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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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received_json = json.loads(data)
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except ValueError as e:
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print("++++++++++++ START OF JSON ERROR +++++++++++++++++++++++")
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print(e)
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print("-----------------------------------")
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print(data)
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print("++++++++++++ END OF JSON ERROR +++++++++++++++++++++++++")
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received_json = {}
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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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#print(static.TNCSTARTED)
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if received_json["type"] == 'SET' and received_json["command"] == 'STARTTNC' and not static.TNCSTARTED:
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rx_audio = received_json["parameter"][0]["rx_audio"]
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tx_audio = received_json["parameter"][0]["tx_audio"]
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deviceid = received_json["parameter"][0]["deviceid"]
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deviceport = received_json["parameter"][0]["deviceport"]
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serialspeed = received_json["parameter"][0]["serialspeed"]
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ptt = received_json["parameter"][0]["ptt"]
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print("STARTING TNC !!!!!")
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print(received_json["parameter"][0])
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#os.system("python3 main.py --rx 3 --tx 3 --deviceport /dev/ttyUSB0 --deviceid 2028")
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print(DEBUG)
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if DEBUG:
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p = subprocess.Popen("exec python3 main.py --rx "+ str(rx_audio) +" --tx "+ str(tx_audio) +" --deviceport "+ str(deviceport) +" --deviceid "+ str(deviceid) + " --serialspeed "+ str(serialspeed) + " --ptt "+ str(ptt), shell=True)
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else:
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p = subprocess.Popen("exec ./tnc --rx "+ str(rx_audio) +" --tx "+ str(tx_audio) +" --deviceport "+ str(deviceport) +" --deviceid "+ str(deviceid) + " --serialspeed "+ str(serialspeed) + " --ptt "+ str(ptt), shell=True)
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static.TNCPROCESS = p#.pid
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#print(parameter)
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# print(static.TNCPROCESS)
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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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parameter = received_json["parameter"]
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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': [],"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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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(0,i).get('maxInputChannels')
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maxOutputChannels = p.get_device_info_by_host_api_device_index(0,i).get('maxOutputChannels')
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name = p.get_device_info_by_host_api_device_index(0,i).get('name')
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if maxInputChannels > 0:
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data["INPUT_DEVICES"].append({"ID": i, "NAME" : str(name)})
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if maxOutputChannels > 0:
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data["OUTPUT_DEVICES"].append({"ID": i, "NAME" : str(name)})
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#print(data)
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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_obj, 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", default=3001, help="Socket port", type=int)
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PARSER.add_argument('--debug', dest="debug", action='store_true')
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ARGS = PARSER.parse_args()
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PORT = ARGS.socket_port
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DEBUG = ARGS.debug
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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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