FreeDATA/tnc/daemon.py

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#!/usr/bin/python3
# -*- coding: utf-8 -*-
"""
daemon.py
Author: DJ2LS, January 2022
daemon for providing basic information for the tnc like audio or serial devices
"""
# pylint: disable=invalid-name, line-too-long, c-extension-no-member
# pylint: disable=import-outside-toplevel
import argparse
import atexit
import multiprocessing
import os
import signal
import socketserver
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import subprocess
import sys
import threading
import time
import audio
import crcengine
import log_handler
import serial.tools.list_ports
import sock
import static
import structlog
import ujson as json
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import config
# signal handler for closing application
def signal_handler(sig, frame):
"""
Signal handler for closing the network socket on app exit
Args:
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sig:
frame:
Returns: system exit
"""
print("Closing daemon...")
sock.CLOSE_SIGNAL = True
sys.exit(0)
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signal.signal(signal.SIGINT, signal_handler)
class DAEMON:
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"""
Daemon class
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"""
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log = structlog.get_logger("DAEMON")
def __init__(self):
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# load crc engine
self.crc_algorithm = crcengine.new("crc16-ccitt-false") # load crc8 library
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self.daemon_queue = sock.DAEMON_QUEUE
update_audio_devices = threading.Thread(
target=self.update_audio_devices, name="UPDATE_AUDIO_DEVICES", daemon=True
)
update_audio_devices.start()
update_serial_devices = threading.Thread(
target=self.update_serial_devices, name="UPDATE_SERIAL_DEVICES", daemon=True
)
update_serial_devices.start()
worker = threading.Thread(target=self.worker, name="WORKER", daemon=True)
worker.start()
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def update_audio_devices(self):
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"""
Update audio devices and set to static
"""
while True:
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try:
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if not static.TNCSTARTED:
(
static.AUDIO_INPUT_DEVICES,
static.AUDIO_OUTPUT_DEVICES,
) = audio.get_audio_devices()
except Exception as err1:
self.log.error(
"[DMN] update_audio_devices: Exception gathering audio devices:",
e=err1,
)
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time.sleep(1)
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def update_serial_devices(self):
"""
Update serial devices and set to static
"""
while True:
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try:
serial_devices = []
ports = serial.tools.list_ports.comports()
for port, desc, hwid in ports:
# calculate hex of hwid if we have unique names
crc_hwid = self.crc_algorithm(bytes(hwid, encoding="utf-8"))
crc_hwid = crc_hwid.to_bytes(2, byteorder="big")
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crc_hwid = crc_hwid.hex()
description = f"{desc} [{crc_hwid}]"
serial_devices.append(
{"port": str(port), "description": str(description)}
)
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static.SERIAL_DEVICES = serial_devices
time.sleep(1)
except Exception as err1:
self.log.error(
"[DMN] update_serial_devices: Exception gathering serial devices:",
e=err1,
)
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def worker(self):
"""
Worker to handle the received commands
"""
while True:
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try:
data = self.daemon_queue.get()
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# data[1] mycall
# data[2] mygrid
# data[3] rx_audio
# data[4] tx_audio
# data[5] devicename
# data[6] deviceport
# data[7] serialspeed
# data[8] pttprotocol
# data[9] pttport
# data[10] data_bits
# data[11] stop_bits
# data[12] handshake
# data[13] radiocontrol
# data[14] rigctld_ip
# data[15] rigctld_port
# data[16] send_scatter
# data[17] send_fft
# data[18] low_bandwidth_mode
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# data[19] tuning_range_fmin
# data[20] tuning_range_fmax
# data[21] enable FSK
# data[22] tx-audio-level
# data[23] respond_to_cq
# data[24] rx_buffer_size
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if data[0] == "STARTTNC":
self.log.warning("[DMN] Starting TNC", rig=data[5], port=data[6])
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# list of parameters, necessary for running subprocess command as a list
options = []
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options.append("--port")
options.append(str(static.DAEMONPORT - 1))
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options.append("--mycall")
options.append(data[1])
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options.append("--mygrid")
options.append(data[2])
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options.append("--rx")
options.append(data[3])
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options.append("--tx")
options.append(data[4])
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# if radiocontrol != disabled
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# this should hopefully avoid a ton of problems if we are just running in
# disabled mode
if data[13] != "disabled":
options.append("--devicename")
options.append(data[5])
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options.append("--deviceport")
options.append(data[6])
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options.append("--serialspeed")
options.append(data[7])
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options.append("--pttprotocol")
options.append(data[8])
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options.append("--pttport")
options.append(data[9])
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options.append("--data_bits")
options.append(data[10])
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options.append("--stop_bits")
options.append(data[11])
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options.append("--handshake")
options.append(data[12])
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options.append("--radiocontrol")
options.append(data[13])
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if data[13] == "rigctld":
options.append("--rigctld_ip")
options.append(data[14])
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options.append("--rigctld_port")
options.append(data[15])
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if data[16] == "True":
options.append("--scatter")
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if data[17] == "True":
options.append("--fft")
if data[18] == "True":
options.append("--500hz")
options.append("--tuning_range_fmin")
options.append(data[19])
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options.append("--tuning_range_fmax")
options.append(data[20])
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# overriding FSK mode
# if data[21] == "True":
# options.append("--fsk")
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options.append("--tx-audio-level")
options.append(data[22])
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if data[23] == "True":
options.append("--qrv")
options.append("--rx-buffer-size")
options.append(data[24])
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# safe data to config file
config.write_entire_config(data)
# Try running tnc from binary, else run from source
# This helps running the tnc in a developer environment
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try:
command = []
if sys.platform in ["linux", "darwin"]:
command.append("./freedata-tnc")
elif sys.platform in ["win32", "win64"]:
command.append("freedata-tnc.exe")
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command += options
proc = subprocess.Popen(command)
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atexit.register(proc.kill)
self.log.info("[DMN] TNC started", path="binary")
except FileNotFoundError as err1:
self.log.info("[DMN] worker: ", e=err1)
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command = []
if sys.platform in ["linux", "darwin"]:
command.append("python3")
elif sys.platform in ["win32", "win64"]:
command.append("python")
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command.append("main.py")
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command += options
proc = subprocess.Popen(command)
atexit.register(proc.kill)
self.log.info("[DMN] TNC started", path="source")
static.TNCPROCESS = proc
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static.TNCSTARTED = True
"""
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# WE HAVE THIS PART in SOCKET
if data[0] == "STOPTNC":
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static.TNCPROCESS.kill()
self.log.warning("[DMN] Stopping TNC")
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#os.kill(static.TNCPROCESS, signal.SIGKILL)
static.TNCSTARTED = False
"""
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# data[1] devicename
# data[2] deviceport
# data[3] serialspeed
# data[4] pttprotocol
# data[5] pttport
# data[6] data_bits
# data[7] stop_bits
# data[8] handshake
# data[9] radiocontrol
# data[10] rigctld_ip
# data[11] rigctld_port
if data[0] == "TEST_HAMLIB":
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devicename = data[1]
deviceport = data[2]
serialspeed = data[3]
pttprotocol = data[4]
pttport = data[5]
data_bits = data[6]
stop_bits = data[7]
handshake = data[8]
radiocontrol = data[9]
rigctld_ip = data[10]
rigctld_port = data[11]
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# check how we want to control the radio
if radiocontrol == "direct":
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import rig
elif radiocontrol == "rigctl":
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import rigctl as rig
elif radiocontrol == "rigctld":
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import rigctld as rig
else:
import rigdummy as rig
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hamlib = rig.radio()
hamlib.open_rig(
devicename=devicename,
deviceport=deviceport,
hamlib_ptt_type=pttprotocol,
serialspeed=serialspeed,
pttport=pttport,
data_bits=data_bits,
stop_bits=stop_bits,
handshake=handshake,
rigctld_ip=rigctld_ip,
rigctld_port=rigctld_port,
)
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# hamlib_version = rig.hamlib_version
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hamlib.set_ptt(True)
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pttstate = hamlib.get_ptt()
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if pttstate:
self.log.info("[DMN] Hamlib PTT", status="SUCCESS")
response = {"command": "test_hamlib", "result": "SUCCESS"}
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else:
self.log.warning("[DMN] Hamlib PTT", status="NO SUCCESS")
response = {"command": "test_hamlib", "result": "NOSUCCESS"}
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hamlib.set_ptt(False)
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hamlib.close_rig()
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jsondata = json.dumps(response)
sock.SOCKET_QUEUE.put(jsondata)
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except Exception as err1:
self.log.error("[DMN] worker: Exception: ", e=err1)
if __name__ == "__main__":
mainlog = structlog.get_logger(__file__)
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# we need to run this on Windows for multiprocessing support
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multiprocessing.freeze_support()
# --------------------------------------------GET PARAMETER INPUTS
PARSER = argparse.ArgumentParser(description="FreeDATA Daemon")
PARSER.add_argument(
"--port",
dest="socket_port",
default=3001,
help="Socket port in the range of 1024-65535",
type=int,
)
ARGS = PARSER.parse_args()
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static.DAEMONPORT = ARGS.socket_port
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try:
if sys.platform == "linux":
logging_path = os.getenv("HOME") + "/.config/" + "FreeDATA/" + "daemon"
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if sys.platform == "darwin":
logging_path = (
os.getenv("HOME")
+ "/Library/"
+ "Application Support/"
+ "FreeDATA/"
+ "daemon"
)
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if sys.platform in ["win32", "win64"]:
logging_path = os.getenv("APPDATA") + "/" + "FreeDATA/" + "daemon"
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if not os.path.exists(logging_path):
os.makedirs(logging_path)
log_handler.setup_logging(logging_path)
except Exception as err:
mainlog.error("[DMN] logger init error", exception=err)
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# init config
config = config.CONFIG()
try:
mainlog.info("[DMN] Starting TCP/IP socket", port=static.DAEMONPORT)
# https://stackoverflow.com/a/16641793
socketserver.TCPServer.allow_reuse_address = True
cmdserver = sock.ThreadedTCPServer(
(static.HOST, static.DAEMONPORT), sock.ThreadedTCPRequestHandler
)
server_thread = threading.Thread(target=cmdserver.serve_forever)
server_thread.daemon = True
server_thread.start()
except Exception as err:
mainlog.error(
"[DMN] Starting TCP/IP socket failed", port=static.DAEMONPORT, e=err
)
sys.exit(1)
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daemon = DAEMON()
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mainlog.info(
"[DMN] Starting FreeDATA Daemon",
author="DJ2LS",
year="2022",
version=static.VERSION,
)
while True:
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time.sleep(1)