async def stomp_subscribe(self, topic):
self.log.debug('STOMP SUBSCRIBE topic=' + topic)
frame = StompFrame()
frame.set_command("SUBSCRIBE")
frame.set_header('destination', topic)
frame.set_header('id', 'my-id')
out = StringIO()
frame.write(out)
await self.ws.send(out.getvalue().encode('utf-8'))
async def stomp_connect(self, hostname):
self.log.debug('STOMP CONNECT host=' + hostname)
frame = StompFrame()
frame.set_command("CONNECT")
frame.set_header('accept-version', '1.2')
frame.set_header('host', hostname)
out = StringIO()
frame.write(out)
await self.ws.send(out.getvalue().encode('utf-8'))
async def stomp_send(self, topic, message):
print('STOMP SEND topic=' + topic)
frame = StompFrame()
frame.set_command("SEND")
frame.set_header('destination', topic)
frame.set_content(message)
out = StringIO()
frame.write(out)
await self.ws.send(out.getvalue().encode('utf-8'))
async def stomp_disconnect(self, receipt=None):
self.log.info('STOMP DISCONNECT receipt=' + receipt)
frame = StompFrame()
frame.set_command("DISCONNECT")
if receipt is not None:
frame.set_header('receipt', receipt)
out = StringIO()
frame.write(out)
await self.ws.send(out.getvalue().encode('utf-8'))
def on_pika_message(self, channel, method, header, body):
pika.log.info('PikaCient: Got message from brocker, delivery tag #%i' % method.delivery_tag)
response = StompFrame.message(
message=body,
headers = {'subscription': self.subscription_id}
)
self.write_message(response.as_string())
async def stomp_read_message(self):
while True:
message = await self.ws.recv()
s_in = StringIO(message.decode('utf-8'))
stomp = StompFrame.parse(s_in)
if stomp.get_command() == 'MESSAGE':
return stomp.get_content()
elif stomp.get_command() == 'CONNECTED':
version = stomp.get_header('version')
self.log.info('STOMP CONNECTED version=' + version)
elif stomp.get_command() == 'RECEIPT':
receipt = stomp.get_header('receipt-id')
self.log.debug('STOMP RECEIPT id=' + receipt)
elif stomp.get_command() == 'ERROR':
self.log.error('STOMP ERROR content=' + stomp.get_content())
async def stomp_send(self, topic, message):
logger.debug('STOMP SEND topic=' + topic)
frame = StompFrame()
frame.set_command("SEND")
frame.set_header('destination', topic)
frame.set_header('content-length', str(len(message)))
frame.set_content(message)
out = StringIO()
frame.write(out)
await self.ws.send(out.getvalue().encode('utf-8'))
logger.debug('stomp_send completed')
def on_message(self, message):
pika.log.info('Websocket: Got message from browser')
request = StompFrame()
request.from_string(message)
pika.log.info('Websocket: Stomp ' + request.command)
if request.is_connect():
response = StompFrame.connected()
elif request.is_subscribe():
self.agent_id = '/'.join(request.get_header('destination').split('/')[1:])
self.subscription_id = request.get_header('id')
pika.log.debug(self.agent_id)
self.application.pika.channel.queue_declare(exclusive=True, queue=self.queue_name, callback=self.on_queue_declared)
response = StompFrame.ok()
elif request.is_unsubscribe():
#TODO same as on_close() but not delete queueu????
response = StompFrame.ok()
elif request.is_send():
pika.log.info('Websocket: Not implemented')
pika.log.debug(request.body)
response = StompFrame.ok()
else:
pika.log.info('Websocket: Unknown command')
response = StompFrame.error()
self.write_message(response.as_string())