def run_main_loop(
self
): # TODO: check channel proxies health, if not synchronized too long, should kill it.
assert not self.__running
self.__running = True
try:
self.__socket.listen(5)
while self.__running:
s, addr = self.__socket.accept()
if not self.__running:
break
try:
ret = apiclient.connect(conf.USER_NAME, conf.PASSWORD,
self.__sensor_name)
except Exception:
traceback.print_exc()
time.sleep(3.0)
continue
if ret:
channel_server_address, channel, transfer_channel_server_address = ret
rx_channel = 'rx-' + str(uuid.uuid4())
tx_channel = 'tx-' + str(uuid.uuid4())
proxy = ChannelProxy(s, rx_channel, tx_channel,
transfer_channel_server_address)
proxy.start()
self.__proxies.append(proxy)
s = PubSubSocket(channel_server_address)
s.send(
channel, 'connect',
json.dumps({
'tx_channel':
rx_channel,
'rx_channel':
tx_channel,
'channel_server_address':
transfer_channel_server_address
}))
else:
s.close()
finally:
print 'stopping channel proxies...'
for p in self.__proxies:
if p.running:
p.stop()
self.__proxies = []
def run_main_loop(self): # TODO: check channel proxies health, if not synchronized too long, should kill it.
assert not self.__running
self.__running = True
try:
self.__socket.listen(5)
while self.__running:
s, addr = self.__socket.accept()
if not self.__running:
break
try:
ret = apiclient.connect(conf.USER_NAME, conf.PASSWORD, self.__sensor_name)
except Exception:
traceback.print_exc()
time.sleep(3.0)
continue
if ret:
channel_server_address, channel, transfer_channel_server_address = ret
rx_channel = 'rx-' + str(uuid.uuid4())
tx_channel = 'tx-' + str(uuid.uuid4())
proxy = ChannelProxy(s, rx_channel, tx_channel, transfer_channel_server_address)
proxy.start()
self.__proxies.append(proxy)
s = PubSubSocket(channel_server_address)
s.send(channel, 'connect',
json.dumps({'tx_channel': rx_channel,
'rx_channel': tx_channel,
'channel_server_address': transfer_channel_server_address}))
else:
s.close()
finally:
print 'stopping channel proxies...'
for p in self.__proxies:
if p.running:
p.stop()
self.__proxies = []
def channel_message_received(command, payload):
if command == 'connect':
message = json.loads(payload)
tx_channel = message['tx_channel']
rx_channel = message['rx_channel']
new_channel_server_address = message['channel_server_address']
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
s.connect(self.__server_address)
proxy = ChannelProxy(s, rx_channel, tx_channel, new_channel_server_address)
proxy.start()
with self.__lock:
self.__channel_proxies.append(proxy)
elif command == 'quit':
return False
return self.__running
def channel_message_received(command, payload):
if command == 'connect':
message = json.loads(payload)
tx_channel = message['tx_channel']
rx_channel = message['rx_channel']
new_channel_server_address = message['channel_server_address']
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0)
s.connect(self.__server_address)
proxy = ChannelProxy(s, rx_channel, tx_channel,
new_channel_server_address)
proxy.start()
with self.__lock:
self.__channel_proxies.append(proxy)
elif command == 'quit':
return False
return self.__running
