FreeDATA/tnc/sock.py

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# -*- coding: utf-8 -*-
"""
Created on Fri Dec 25 21:25:14 2020
@author: DJ2LS
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# GET COMMANDS
# "command" : "..."
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# SET COMMANDS
# "command" : "..."
# "parameter" : " ..."
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# DATA COMMANDS
# "command" : "..."
# "type" : "..."
# "dxcallsign" : "..."
# "data" : "..."
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"""
import atexit
import base64
import queue
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import socketserver
import sys
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import threading
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import time
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import wave
import helpers
import static
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from static import ARQ, AudioParam, Beacon, Channel, Daemon, HamlibParam, ModemParam, Station, Statistics, TCIParam, TNC
import structlog
from random import randrange
import ujson as json
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from exceptions import NoCallsign
from queues import DATA_QUEUE_TRANSMIT, RX_BUFFER, RIGCTLD_COMMAND_QUEUE
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SOCKET_QUEUE = queue.Queue()
DAEMON_QUEUE = queue.Queue()
CONNECTED_CLIENTS = set()
CLOSE_SIGNAL = False
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TESTMODE = False
log = structlog.get_logger("sock")
class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
"""
the socket handler base class
"""
pass
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# noinspection PyTypeChecker
class ThreadedTCPRequestHandler(socketserver.StreamRequestHandler):
""" """
connection_alive = False
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log = structlog.get_logger("ThreadedTCPRequestHandler")
def send_to_client(self):
"""
function called by socket handler
send data to a network client if available
"""
tempdata = b""
while self.connection_alive and not CLOSE_SIGNAL:
# send tnc state as network stream
# check server port against daemon port and send corresponding data
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if self.server.server_address[1] == TNC.port and not Daemon.tncstarted:
data = send_tnc_state()
if data != tempdata:
tempdata = data
SOCKET_QUEUE.put(data)
else:
data = send_daemon_state()
if data != tempdata:
tempdata = data
SOCKET_QUEUE.put(data)
threading.Event().wait(0.5)
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while not SOCKET_QUEUE.empty():
data = SOCKET_QUEUE.get()
sock_data = bytes(data, "utf-8")
sock_data += b"\n" # append line limiter
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# send data to all clients
try:
for client in CONNECTED_CLIENTS:
try:
client.send(sock_data)
except Exception as err:
self.log.info("[SCK] Connection lost", e=err)
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# TODO: Check if we really should set connection alive to false.
# This might disconnect all other clients as well...
self.connection_alive = False
except Exception as err:
self.log.debug("[SCK] catch harmless RuntimeError: Set changed size during iteration", e=err)
# we want to transmit scatter data only once to reduce network traffic
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ModemParam.scatter = []
# self.request.sendall(sock_data)
threading.Event().wait(0.15)
def receive_from_client(self):
"""
function which is called by the socket handler
it processes the data which is returned by a client
"""
data = bytes()
while self.connection_alive and not CLOSE_SIGNAL:
try:
chunk = self.request.recv(1024)
data += chunk
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if chunk == b"":
# print("connection broken. Closing...")
self.connection_alive = False
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if data.startswith(b"{") and data.endswith(b"}\n"):
# split data by \n if we have multiple commands in socket buffer
data = data.split(b"\n")
# remove empty data
data.remove(b"")
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# iterate thorugh data list
for commands in data:
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if self.server.server_address[1] == TNC.port:
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self.process_tnc_commands(commands)
else:
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self.process_daemon_commands(commands)
# wait some time between processing multiple commands
# this is only a first test to avoid doubled transmission
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# we might improve this by only processing one command or
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# doing some kind of selection to determine which commands need to be dropped
# and which one can be processed during a running transmission
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threading.Event().wait(0.5)
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# finally delete our rx buffer to be ready for new commands
data = bytes()
except Exception as err:
self.log.info(
"[SCK] Connection closed",
ip=self.client_address[0],
port=self.client_address[1],
e=err,
)
self.connection_alive = False
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def handle(self):
"""
socket handler
"""
CONNECTED_CLIENTS.add(self.request)
self.log.debug(
"[SCK] Client connected",
ip=self.client_address[0],
port=self.client_address[1],
)
self.connection_alive = True
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self.sendThread = threading.Thread(
target=self.send_to_client, args=[], daemon=True
)
self.sendThread.start()
self.receiveThread = threading.Thread(
target=self.receive_from_client, args=[], daemon=True
)
self.receiveThread.start()
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# keep connection alive until we close it
while self.connection_alive and not CLOSE_SIGNAL:
threading.Event().wait(1)
def finish(self):
""" """
self.log.warning(
"[SCK] Closing client socket",
ip=self.client_address[0],
port=self.client_address[1],
)
try:
CONNECTED_CLIENTS.remove(self.request)
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except Exception as e:
self.log.warning(
"[SCK] client connection already removed from client list",
client=self.request,
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e=e,
)
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# ------------------------ TNC COMMANDS
def process_tnc_commands(self, data):
"""
process tnc commands
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Args:
data:
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Returns:
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"""
log = structlog.get_logger("process_tnc_commands")
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# we need to do some error handling in case of socket timeout or decoding issue
try:
# convert data to json object
received_json = json.loads(data)
log.debug("[SCK] CMD", command=received_json)
# ENABLE TNC LISTENING STATE
if received_json["type"] == "set" and received_json["command"] == "listen":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_listen(None, received_json)
else:
self.tnc_set_listen(received_json)
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# START STOP AUDIO RECORDING
if received_json["type"] == "set" and received_json["command"] == "record_audio":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_record_audio(None, received_json)
else:
self.tnc_set_record_audio(received_json)
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# SET ENABLE/DISABLE RESPOND TO CALL
if received_json["type"] == "set" and received_json["command"] == "respond_to_call":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_respond_to_call(None, received_json)
else:
self.tnc_set_respond_to_call(received_json)
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# SET ENABLE RESPOND TO CQ
if received_json["type"] == "set" and received_json["command"] == "respond_to_cq":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_record_audio(None, received_json)
else:
self.tnc_set_record_audio(received_json)
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# SET TX AUDIO LEVEL
if received_json["type"] == "set" and received_json["command"] == "tx_audio_level":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_tx_audio_level(None, received_json)
else:
self.tnc_set_tx_audio_level(received_json)
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# TRANSMIT TEST FRAME
if received_json["type"] == "set" and received_json["command"] == "send_test_frame":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_send_test_frame(None, received_json)
elif TNC.tnc_state in ['busy']:
log.warning(
"[SCK] Dropping command",
e="tnc state",
state=TNC.tnc_state,
command=received_json,
)
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else:
self.tnc_set_send_test_frame(received_json)
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# TRANSMIT FEC FRAME
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if received_json["type"] == "fec" and received_json["command"] == "transmit":
if TESTMODE:
ThreadedTCPRequestHandler.tnc_fec_transmit(None, received_json)
else:
self.tnc_fec_transmit(received_json)
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# TRANSMIT IS WRITING FRAME
if received_json["type"] == "fec" and received_json["command"] == "transmit_is_writing":
if TESTMODE:
ThreadedTCPRequestHandler.tnc_fec_is_writing(None, received_json)
elif TNC.tnc_state in ['busy']:
log.warning(
"[SCK] Dropping command",
e="tnc state",
state=TNC.tnc_state,
command=received_json,
)
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else:
self.tnc_fec_is_writing(received_json)
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# CQ CQ CQ
if received_json["command"] == "cqcqcq":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_cqcqcq(None, received_json)
elif TNC.tnc_state in ['busy']:
log.warning(
"[SCK] Dropping command",
e="tnc state",
state=TNC.tnc_state,
command=received_json,
)
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else:
self.tnc_cqcqcq(received_json)
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# START_BEACON
if received_json["command"] == "start_beacon":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_start_beacon(None, received_json)
else:
self.tnc_start_beacon(received_json)
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# STOP_BEACON
if received_json["command"] == "stop_beacon":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_stop_beacon(None, received_json)
else:
self.tnc_stop_beacon(received_json)
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# PING
if received_json["type"] == "ping" and received_json["command"] == "ping":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_ping_ping(None, received_json)
elif TNC.tnc_state in ['busy']:
log.warning(
"[SCK] Dropping command",
e="tnc state",
state=TNC.tnc_state,
command=received_json,
)
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else:
self.tnc_ping_ping(received_json)
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# CONNECT
if received_json["type"] == "arq" and received_json["command"] == "connect":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_arq_connect(None, received_json)
elif TNC.tnc_state in ['busy']:
log.warning(
"[SCK] Dropping command",
e="tnc state",
state=TNC.tnc_state,
command=received_json,
)
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else:
self.tnc_arq_connect(received_json)
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# DISCONNECT
if received_json["type"] == "arq" and received_json["command"] == "disconnect":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_arq_disconnect(None, received_json)
else:
self.tnc_arq_disconnect(received_json)
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# TRANSMIT RAW DATA
if received_json["type"] == "arq" and received_json["command"] == "send_raw":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_arq_send_raw(None, received_json)
elif TNC.tnc_state in ['busy']:
log.warning(
"[SCK] Dropping command",
e="tnc state",
state=TNC.tnc_state,
command=received_json,
)
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else:
self.tnc_arq_send_raw(received_json)
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# STOP TRANSMISSION
if received_json["type"] == "arq" and received_json["command"] == "stop_transmission":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_arq_stop_transmission(None, received_json)
else:
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self.tnc_arq_stop_transmission(received_json)
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# GET RX BUFFER
if received_json["type"] == "get" and received_json["command"] == "rx_buffer":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_get_rx_buffer(None, received_json)
else:
self.tnc_get_rx_buffer(received_json)
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# DELETE RX BUFFER
if received_json["type"] == "set" and received_json["command"] == "del_rx_buffer":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_del_rx_buffer(None, received_json)
else:
self.tnc_set_del_rx_buffer(received_json)
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# SET FREQUENCY
if received_json["type"] == "set" and received_json["command"] == "frequency":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_frequency(None, received_json)
else:
self.tnc_set_frequency(received_json)
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# SET MODE
if received_json["type"] == "set" and received_json["command"] == "mode":
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if TESTMODE:
ThreadedTCPRequestHandler.tnc_set_mode(None, received_json)
else:
self.tnc_set_mode(received_json)
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except Exception as err:
log.error("[SCK] JSON decoding error", e=err)
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def tnc_set_listen(self, received_json):
try:
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TNC.listen = received_json["state"] in ['true', 'True', True, "ON", "on"]
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command_response("listen", True)
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# if tnc is connected, force disconnect when TNC.listen == False
if not TNC.listen and ARQ.arq_session_state not in ["disconnecting", "disconnected", "failed"]:
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DATA_QUEUE_TRANSMIT.put(["DISCONNECT"])
# set early disconnecting state so we can interrupt connection attempts
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ARQ.arq_session_state = "disconnecting"
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command_response("disconnect", True)
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except Exception as err:
command_response("listen", False)
log.warning(
"[SCK] CQ command execution error", e=err, command=received_json
)
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def tnc_set_record_audio(self, received_json):
try:
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if not AudioParam.audio_record:
AudioParam.audio_record_FILE = wave.open(f"{int(time.time())}_audio_recording.wav", 'w')
AudioParam.audio_record_FILE.setnchannels(1)
AudioParam.audio_record_FILE.setsampwidth(2)
AudioParam.audio_record_FILE.setframerate(8000)
AudioParam.audio_record = True
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else:
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AudioParam.audio_record = False
AudioParam.audio_record_FILE.close()
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command_response("respond_to_call", True)
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except Exception as err:
command_response("respond_to_call", False)
log.warning(
"[SCK] CQ command execution error", e=err, command=received_json
)
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def tnc_set_respond_to_call(self, received_json):
try:
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TNC.respond_to_call = received_json["state"] in ['true', 'True', True]
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command_response("respond_to_call", True)
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except Exception as err:
command_response("respond_to_call", False)
log.warning(
"[SCK] CQ command execution error", e=err, command=received_json
)
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def tnc_set_respond_to_cq(self, received_json):
try:
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TNC.respond_to_cq = received_json["state"] in ['true', 'True', True]
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command_response("respond_to_cq", True)
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except Exception as err:
command_response("respond_to_cq", False)
log.warning(
"[SCK] CQ command execution error", e=err, command=received_json
)
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def tnc_set_tx_audio_level(self, received_json):
try:
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AudioParam.tx_audio_level = int(received_json["value"])
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command_response("tx_audio_level", True)
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except Exception as err:
command_response("tx_audio_level", False)
log.warning(
"[SCK] TX audio command execution error",
e=err,
command=received_json,
)
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def tnc_set_send_test_frame(self, received_json):
try:
DATA_QUEUE_TRANSMIT.put(["SEND_TEST_FRAME"])
command_response("send_test_frame", True)
except Exception as err:
command_response("send_test_frame", False)
log.warning(
"[SCK] Send test frame command execution error",
e=err,
command=received_json,
)
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def tnc_fec_transmit(self, received_json):
try:
mode = received_json["mode"]
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base64data = received_json["payload"]
if len(base64data) % 4:
raise TypeError
payload = base64.b64decode(base64data)
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DATA_QUEUE_TRANSMIT.put(["FEC", payload, mode])
command_response("fec_transmit", True)
except Exception as err:
command_response("fec_transmit", False)
log.warning(
"[SCK] Send fec frame command execution error",
e=err,
command=received_json,
)
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def tnc_fec_is_writing(self, received_json):
try:
mycallsign = received_json["mycallsign"]
DATA_QUEUE_TRANSMIT.put(["FEC_IS_WRITING", mycallsign])
command_response("fec_is_writing", True)
except Exception as err:
command_response("fec_is_writing", False)
log.warning(
"[SCK] Send fec frame command execution error",
e=err,
command=received_json,
)
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def tnc_cqcqcq(self, received_json):
try:
DATA_QUEUE_TRANSMIT.put(["CQ"])
command_response("cqcqcq", True)
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except Exception as err:
command_response("cqcqcq", False)
log.warning(
"[SCK] CQ command execution error", e=err, command=received_json
)
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def tnc_start_beacon(self, received_json):
try:
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Beacon.beacon_state = True
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interval = int(received_json["parameter"])
DATA_QUEUE_TRANSMIT.put(["BEACON", interval, True])
command_response("start_beacon", True)
except Exception as err:
command_response("start_beacon", False)
log.warning(
"[SCK] Start beacon command execution error",
e=err,
command=received_json,
)
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def tnc_stop_beacon(self, received_json):
try:
log.warning("[SCK] Stopping beacon!")
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Beacon.beacon_state = False
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DATA_QUEUE_TRANSMIT.put(["BEACON", None, False])
command_response("stop_beacon", True)
except Exception as err:
command_response("stop_beacon", False)
log.warning(
"[SCK] Stop beacon command execution error",
e=err,
command=received_json,
)
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def tnc_ping_ping(self, received_json):
# send ping frame and wait for ACK
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try:
dxcallsign = received_json["dxcallsign"]
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if not str(dxcallsign).strip():
raise NoCallsign
# additional step for being sure our callsign is correctly
# in case we are not getting a station ssid
# then we are forcing a station ssid = 0
dxcallsign = helpers.callsign_to_bytes(dxcallsign)
dxcallsign = helpers.bytes_to_callsign(dxcallsign)
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# check if specific callsign is set with different SSID than the TNC is initialized
try:
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mycallsign = received_json["mycallsign"]
mycallsign = helpers.callsign_to_bytes(mycallsign)
mycallsign = helpers.bytes_to_callsign(mycallsign)
except Exception:
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mycallsign = Station.mycallsign
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DATA_QUEUE_TRANSMIT.put(["PING", mycallsign, dxcallsign])
command_response("ping", True)
except NoCallsign:
command_response("ping", False)
log.warning("[SCK] callsign required for ping", command=received_json)
except Exception as err:
command_response("ping", False)
log.warning(
"[SCK] PING command execution error", e=err, command=received_json
)
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def tnc_arq_connect(self, received_json):
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# pause our beacon first
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Beacon.beacon_pause = True
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# check for connection attempts key
try:
attempts = int(received_json["attempts"])
except Exception:
# 15 == self.session_connect_max_retries
attempts = 15
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dxcallsign = received_json["dxcallsign"]
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# check if specific callsign is set with different SSID than the TNC is initialized
try:
mycallsign = received_json["mycallsign"]
mycallsign = helpers.callsign_to_bytes(mycallsign)
mycallsign = helpers.bytes_to_callsign(mycallsign)
except Exception:
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mycallsign = Station.mycallsign
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# additional step for being sure our callsign is correctly
# in case we are not getting a station ssid
# then we are forcing a station ssid = 0
dxcallsign = helpers.callsign_to_bytes(dxcallsign)
dxcallsign = helpers.bytes_to_callsign(dxcallsign)
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if ARQ.arq_session_state not in ["disconnected", "failed"]:
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command_response("connect", False)
log.warning(
"[SCK] Connect command execution error",
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e=f"already connected to station:{Station.dxcallsign}",
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command=received_json,
)
else:
# finally check again if we are disconnected or failed
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# try connecting
try:
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DATA_QUEUE_TRANSMIT.put(["CONNECT", mycallsign, dxcallsign, attempts])
command_response("connect", True)
except Exception as err:
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command_response("connect", False)
log.warning(
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"[SCK] Connect command execution error",
e=err,
command=received_json,
)
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# allow beacon transmission again
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Beacon.beacon_pause = False
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# allow beacon transmission again
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Beacon.beacon_pause = False
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def tnc_arq_disconnect(self, received_json):
try:
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if ARQ.arq_session_state not in ["disconnecting", "disconnected", "failed"]:
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DATA_QUEUE_TRANSMIT.put(["DISCONNECT"])
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# set early disconnecting state so we can interrupt connection attempts
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ARQ.arq_session_state = "disconnecting"
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command_response("disconnect", True)
else:
command_response("disconnect", False)
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log.warning(
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"[SCK] Disconnect command not possible",
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state=ARQ.arq_session_state,
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command=received_json,
)
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except Exception as err:
command_response("disconnect", False)
log.warning(
"[SCK] Disconnect command execution error",
e=err,
command=received_json,
)
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def tnc_arq_send_raw(self, received_json):
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Beacon.beacon_pause = True
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# wait some random time
helpers.wait(randrange(5, 25, 5) / 10.0)
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# we need to warn if already in arq state
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if ARQ.arq_state:
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command_response("send_raw", False)
log.warning(
"[SCK] Send raw command execution warning",
e="already in arq state",
i="command queued",
command=received_json,
)
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try:
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if not ARQ.arq_session:
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dxcallsign = received_json["parameter"][0]["dxcallsign"]
# additional step for being sure our callsign is correctly
# in case we are not getting a station ssid
# then we are forcing a station ssid = 0
dxcallsign = helpers.callsign_to_bytes(dxcallsign)
dxcallsign = helpers.bytes_to_callsign(dxcallsign)
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Station.dxcallsign = dxcallsign
Station.dxcallsign_crc = helpers.get_crc_24(Station.dxcallsign)
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command_response("send_raw", True)
else:
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dxcallsign = Station.dxcallsign
Station.dxcallsign_crc = helpers.get_crc_24(Station.dxcallsign)
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mode = int(received_json["parameter"][0]["mode"])
n_frames = int(received_json["parameter"][0]["n_frames"])
base64data = received_json["parameter"][0]["data"]
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# check if specific callsign is set with different SSID than the TNC is initialized
try:
mycallsign = received_json["parameter"][0]["mycallsign"]
mycallsign = helpers.callsign_to_bytes(mycallsign)
mycallsign = helpers.bytes_to_callsign(mycallsign)
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except Exception:
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mycallsign = Station.mycallsign
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# check for connection attempts key
try:
attempts = int(received_json["parameter"][0]["attempts"])
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except Exception:
attempts = 10
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# check if transmission uuid provided else set no-uuid
try:
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arq_uuid = received_json["uuid"]
except Exception:
arq_uuid = "no-uuid"
if len(base64data) % 4:
raise TypeError
binarydata = base64.b64decode(base64data)
DATA_QUEUE_TRANSMIT.put(
["ARQ_RAW", binarydata, mode, n_frames, arq_uuid, mycallsign, dxcallsign, attempts]
)
except Exception as err:
command_response("send_raw", False)
log.warning(
"[SCK] Send raw command execution error",
e=err,
command=received_json,
)
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def tnc_arq_stop_transmission(self, received_json):
try:
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if TNC.tnc_state == "BUSY" or ARQ.arq_state:
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DATA_QUEUE_TRANSMIT.put(["STOP"])
log.warning("[SCK] Stopping transmission!")
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TNC.tnc_state = "IDLE"
ARQ.arq_state = False
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command_response("stop_transmission", True)
except Exception as err:
command_response("stop_transmission", False)
log.warning(
"[SCK] STOP command execution error", e=err, command=received_json
)
def tnc_get_rx_buffer(self, received_json):
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try:
if not RX_BUFFER.empty():
output = {
"command": "rx_buffer",
"data-array": [],
}
for _buffer_length in range(RX_BUFFER.qsize()):
base64_data = RX_BUFFER.queue[_buffer_length][4]
output["data-array"].append(
{
"uuid": RX_BUFFER.queue[_buffer_length][0],
"timestamp": RX_BUFFER.queue[_buffer_length][1],
"dxcallsign": str(RX_BUFFER.queue[_buffer_length][2], "utf-8"),
"dxgrid": str(RX_BUFFER.queue[_buffer_length][3], "utf-8"),
"data": base64_data,
}
)
jsondata = json.dumps(output)
# self.request.sendall(bytes(jsondata, encoding))
SOCKET_QUEUE.put(jsondata)
command_response("rx_buffer", True)
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except Exception as err:
command_response("rx_buffer", False)
log.warning(
"[SCK] Send RX buffer command execution error",
e=err,
command=received_json,
)
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def tnc_set_del_rx_buffer(self, received_json):
try:
RX_BUFFER.queue.clear()
command_response("del_rx_buffer", True)
except Exception as err:
command_response("del_rx_buffer", False)
log.warning(
"[SCK] Delete RX buffer command execution error",
e=err,
command=received_json,
)
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def tnc_set_mode(self, received_json):
try:
RIGCTLD_COMMAND_QUEUE.put(["set_mode", received_json["mode"]])
command_response("set_mode", True)
except Exception as err:
command_response("set_mode", False)
log.warning(
"[SCK] Set mode command execution error",
e=err,
command=received_json,
)
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def tnc_set_frequency(self, received_json):
try:
RIGCTLD_COMMAND_QUEUE.put(["set_frequency", received_json["frequency"]])
command_response("set_frequency", True)
except Exception as err:
command_response("set_frequency", False)
log.warning(
"[SCK] Set frequency command execution error",
e=err,
command=received_json,
)
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# ------------------------ DAEMON COMMANDS
def process_daemon_commands(self, data):
"""
process daemon commands
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Args:
data:
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Returns:
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"""
log = structlog.get_logger("process_daemon_commands")
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# convert data to json object
received_json = json.loads(data)
log.debug("[SCK] CMD", command=received_json)
if received_json["type"] == "set" and received_json["command"] == "mycallsign":
self.daemon_set_mycallsign(received_json)
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if received_json["type"] == "set" and received_json["command"] == "mygrid":
self.daemon_set_mygrid(received_json)
if (
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received_json["type"] == "set"
and received_json["command"] == "start_tnc"
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and not Daemon.tncstarted
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):
self.daemon_start_tnc(received_json)
if received_json["type"] == "get" and received_json["command"] == "test_hamlib":
self.daemon_test_hamlib(received_json)
if received_json["type"] == "set" and received_json["command"] == "stop_tnc":
self.daemon_stop_tnc(received_json)
def daemon_set_mycallsign(self, received_json):
try:
callsign = received_json["parameter"]
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if bytes(callsign, "utf-8") == b"":
self.request.sendall(b"INVALID CALLSIGN")
log.warning(
"[SCK] SET MYCALL FAILED",
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call=Station.mycallsign,
crc=Station.mycallsign_crc.hex(),
)
else:
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Station.mycallsign = bytes(callsign, "utf-8")
Station.mycallsign_crc = helpers.get_crc_24(Station.mycallsign)
command_response("mycallsign", True)
log.info(
"[SCK] SET MYCALL",
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call=Station.mycallsign,
crc=Station.mycallsign_crc.hex(),
)
except Exception as err:
command_response("mycallsign", False)
log.warning("[SCK] command execution error", e=err, command=received_json)
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def daemon_set_mygrid(self, received_json):
try:
mygrid = received_json["parameter"]
if bytes(mygrid, "utf-8") == b"":
self.request.sendall(b"INVALID GRID")
command_response("mygrid", False)
else:
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Station.mygrid = bytes(mygrid, "utf-8")
log.info("[SCK] SET MYGRID", grid=Station.mygrid)
command_response("mygrid", True)
except Exception as err:
command_response("mygrid", False)
log.warning("[SCK] command execution error", e=err, command=received_json)
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def daemon_start_tnc(self, received_json):
try:
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startparam = received_json["parameter"][0]
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mycall = str(helpers.return_key_from_object("AA0AA", startparam, "mycall"))
mygrid = str(helpers.return_key_from_object("JN12ab", startparam, "mygrid"))
rx_audio = str(helpers.return_key_from_object("0", startparam, "rx_audio"))
tx_audio = str(helpers.return_key_from_object("0", startparam, "tx_audio"))
radiocontrol = str(helpers.return_key_from_object("disabled", startparam, "radiocontrol"))
rigctld_ip = str(helpers.return_key_from_object("127.0.0.1", startparam, "rigctld_ip"))
rigctld_port = str(helpers.return_key_from_object("4532", startparam, "rigctld_port"))
enable_scatter = str(helpers.return_key_from_object("True", startparam, "enable_scatter"))
enable_fft = str(helpers.return_key_from_object("True", startparam, "enable_fft"))
enable_fsk = str(helpers.return_key_from_object("False", startparam, "enable_fsk"))
low_bandwidth_mode = str(helpers.return_key_from_object("False", startparam, "low_bandwidth_mode"))
tuning_range_fmin = str(helpers.return_key_from_object("-50", startparam, "tuning_range_fmin"))
tuning_range_fmax = str(helpers.return_key_from_object("50", startparam, "tuning_range_fmax"))
tx_audio_level = str(helpers.return_key_from_object("100", startparam, "tx_audio_level"))
respond_to_cq = str(helpers.return_key_from_object("False", startparam, "respond_to_cq"))
rx_buffer_size = str(helpers.return_key_from_object("16", startparam, "rx_buffer_size"))
enable_explorer = str(helpers.return_key_from_object("False", startparam, "enable_explorer"))
enable_auto_tune = str(helpers.return_key_from_object("False", startparam, "enable_auto_tune"))
enable_stats = str(helpers.return_key_from_object("False", startparam, "enable_stats"))
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tx_delay = str(helpers.return_key_from_object("0", startparam, "tx_delay"))
try:
# convert ssid list to python list
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ssid_list = str(helpers.return_key_from_object("0, 1, 2, 3, 4, 5, 6, 7, 8, 9", startparam, "ssid_list"))
ssid_list = ssid_list.replace(" ", "")
ssid_list = ssid_list.split(",")
# convert str to int
ssid_list = list(map(int, ssid_list))
except KeyError:
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ssid_list = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
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# print some debugging parameters
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for item in startparam:
log.debug(
f"[SCK] TNC Startup Config : {item}",
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value=startparam[item],
)
DAEMON_QUEUE.put(
[
"STARTTNC",
mycall,
mygrid,
rx_audio,
tx_audio,
radiocontrol,
rigctld_ip,
rigctld_port,
enable_scatter,
enable_fft,
low_bandwidth_mode,
tuning_range_fmin,
tuning_range_fmax,
enable_fsk,
tx_audio_level,
respond_to_cq,
rx_buffer_size,
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enable_explorer,
ssid_list,
enable_auto_tune,
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enable_stats,
tx_delay
]
)
command_response("start_tnc", True)
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except Exception as err:
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command_response("start_tnc", False)
log.warning("[SCK] command execution error", e=err, command=received_json)
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def daemon_stop_tnc(self, received_json):
try:
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Daemon.tncprocess.kill()
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# unregister process from atexit to avoid process zombies
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atexit.unregister(Daemon.tncprocess.kill)
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log.warning("[SCK] Stopping TNC")
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Daemon.tncstarted = False
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command_response("stop_tnc", True)
except Exception as err:
command_response("stop_tnc", False)
log.warning("[SCK] command execution error", e=err, command=received_json)
def daemon_test_hamlib(self, received_json):
try:
radiocontrol = str(received_json["parameter"][0]["radiocontrol"])
rigctld_ip = str(received_json["parameter"][0]["rigctld_ip"])
rigctld_port = str(received_json["parameter"][0]["rigctld_port"])
DAEMON_QUEUE.put(
[
"TEST_HAMLIB",
radiocontrol,
rigctld_ip,
rigctld_port,
]
)
command_response("test_hamlib", True)
except Exception as err:
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command_response("test_hamlib", False)
log.warning("[SCK] command execution error", e=err, command=received_json)
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def send_daemon_state():
"""
send the daemon state to network
"""
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log = structlog.get_logger("send_daemon_state")
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try:
python_version = f"{str(sys.version_info[0])}.{str(sys.version_info[1])}"
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output = {
"command": "daemon_state",
"daemon_state": [],
"python_version": str(python_version),
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"input_devices": AudioParam.audio_input_devices,
"output_devices": AudioParam.audio_output_devices,
"serial_devices": Daemon.serial_devices,
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# 'cpu': str(psutil.cpu_percent()),
# 'ram': str(psutil.virtual_memory().percent),
"version": "0.1",
}
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if Daemon.tncstarted:
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output["daemon_state"].append({"status": "running"})
else:
output["daemon_state"].append({"status": "stopped"})
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return json.dumps(output)
except Exception as err:
log.warning("[SCK] error", e=err)
return None
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def send_tnc_state():
"""
send the tnc state to network
"""
encoding = "utf-8"
output = {
"command": "tnc_state",
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"ptt_state": str(HamlibParam.ptt_state),
"tnc_state": str(TNC.tnc_state),
"arq_state": str(ARQ.arq_state),
"arq_session": str(ARQ.arq_session),
"arq_session_state": str(ARQ.arq_session_state),
"audio_dbfs": str(AudioParam.audio_dbfs),
"snr": str(ModemParam.snr),
"frequency": str(HamlibParam.hamlib_frequency),
"rf_level": str(HamlibParam.hamlib_rf),
"strength": str(HamlibParam.hamlib_strength),
"alc": str(HamlibParam.alc),
"audio_level": str(AudioParam.tx_audio_level),
"audio_auto_tune": str(AudioParam.audio_auto_tune),
"speed_level": str(ARQ.arq_speed_level),
"mode": str(HamlibParam.hamlib_mode),
"bandwidth": str(HamlibParam.hamlib_bandwidth),
"fft": str(AudioParam.fft),
"channel_busy": str(ModemParam.channel_busy),
"channel_busy_slot": str(ModemParam.channel_busy_slot),
"is_codec2_traffic": str(ModemParam.is_codec2_traffic),
"scatter": ModemParam.scatter,
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"rx_buffer_length": str(RX_BUFFER.qsize()),
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"rx_msg_buffer_length": str(len(ARQ.rx_msg_buffer)),
"arq_bytes_per_minute": str(ARQ.bytes_per_minute),
"arq_bytes_per_minute_burst": str(ARQ.bytes_per_minute_burst),
"arq_seconds_until_finish": str(ARQ.arq_seconds_until_finish),
"arq_compression_factor": str(ARQ.arq_compression_factor),
"arq_transmission_percent": str(ARQ.arq_transmission_percent),
"speed_list": ARQ.speed_list,
"total_bytes": str(ARQ.total_bytes),
"beacon_state": str(Beacon.beacon_state),
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"stations": [],
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"mycallsign": str(Station.mycallsign, encoding),
"mygrid": str(Station.mygrid, encoding),
"dxcallsign": str(Station.dxcallsign, encoding),
"dxgrid": str(Station.dxgrid, encoding),
"hamlib_status": HamlibParam.hamlib_status,
"listen": str(TNC.listen),
"audio_recording": str(AudioParam.audio_record),
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}
# add heard stations to heard stations object
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for heard in TNC.heard_stations:
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output["stations"].append(
{
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"dxcallsign": str(heard[0], encoding),
"dxgrid": str(heard[1], encoding),
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"timestamp": heard[2],
"datatype": heard[3],
"snr": heard[4],
"offset": heard[5],
"frequency": heard[6],
}
)
return json.dumps(output)
def command_response(command, status):
s_status = "OK" if status else "Failed"
jsondata = {"command_response": command, "status": s_status}
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data_out = json.dumps(jsondata)
SOCKET_QUEUE.put(data_out)
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def try_except(string):
try:
return string
except Exception:
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return False