Crash_Override/FreeDATA
1
0
Fork 0
mirror of https://github.com/DJ2LS/FreeDATA synced 2024-05-14 08:04:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

possible fix for #132

Browse source 
it seems, pyaudio isnt terminated correctly. running it within a subprocess which will be closed after execution, pyaudio seems to be terminated and not causing a problem anymore on raspberry pi. Yay
This commit is contained in:
dj2ls 2022-02-17 10:11:12 +01:00
parent 7a93f0a824
commit efc700b1f7
2 changed files with 33 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
tnc/audio.py
View file

@ -10,6 +10,10 @@ import json
from ctypes import *
from contextlib import contextmanager
import pyaudio
from multiprocessing import Process, Queue
AUDIO_DEVICES = Queue()
ERROR_HANDLER_FUNC = CFUNCTYPE(None, c_char_p, c_int, c_char_p, c_int, c_char_p)
@ -29,8 +33,13 @@ def noalsaerr():
# p = pyaudio.PyAudio()
######################################################
def get_audio_devices():
p = Process(target=update_audio_devices)
p.start()
p.join()
return AUDIO_DEVICES.get()
def update_audio_devices():
# UPDATE LIST OF AUDIO DEVICES
try:
# we need to "try" this, because sometimes libasound.so isn't in the default place
@ -61,5 +70,6 @@ def get_audio_devices():
output_devices.append({"id": i, "name": str(name)})
p.terminate()
return [input_devices, output_devices]
AUDIO_DEVICES.put([input_devices, output_devices])

34
tnc/sock.py
View file

@ -78,17 +78,15 @@ class ThreadedTCPRequestHandler(socketserver.StreamRequestHandler):
data = SOCKET_QUEUE.get()
sock_data = bytes(data, 'utf-8')
sock_data += b'\n' # append line limiter
# send data to all clients
try:
for client in CONNECTED_CLIENTS:
try:
client.send(sock_data)
except:
print("connection lost...")
CONNECTED_CLIENTS.remove(self.request)
except:
print("client not anymore in client list")
#try:
for client in CONNECTED_CLIENTS:
try:
client.send(sock_data)
except:
print("connection lost...")
# we want to transmit scatter data only once to reduce network traffic
static.SCATTER = []
# we want to display INFO messages only once
@ -106,8 +104,8 @@ class ThreadedTCPRequestHandler(socketserver.StreamRequestHandler):
if chunk == b'':
#print("connection broken. Closing...")
self.connection_alive = False
if data.startswith(b'{') and data.endswith(b'}\n'):
print(chunk)
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
@ -119,7 +117,15 @@ class ThreadedTCPRequestHandler(socketserver.StreamRequestHandler):
process_tnc_commands(commands)
else:
process_daemon_commands(commands)
# wait some time between processing multiple commands
# this is only a first test to avoid doubled transmission
# we might improve this by only processing one command or
# doing some kind of selection to determin which commands need to be dropped
# and which one can be processed during a running transmission
time.sleep(3)
# finally delete our rx buffer to be ready for new commands
data = bytes()
except Exception as e:
@ -438,4 +444,4 @@ def send_daemon_state():
return jsondata
except Exception as e:
print(e)
return None
return None