def __init__(self,
group=None,
target=None,
name=None,
args=(),
kwargs=None,
daemon=None) -> None:
super().__init__(group=group,
target=target,
name=name,
args=args,
kwargs=kwargs,
daemon=daemon)
self.args = args
self.kwargs = kwargs
def joined(session, details):
print("session ready")
self.mySession = session
comp = Component(transports="ws://host.docker.internal:8090/ws",
realm=u"racelog.state")
comp.on_join(joined)
comp.start(loop=self)
class Publisher:
def __init__(self):
self.component = None
async def connect(self, crossbar_url):
"""Method used to initialize a session for the publisher
:param crossbar_url: url hosting the crossbar instance
"""
log.debug(f"Connecting to {crossbar_url}")
self.component = Component(transports=crossbar_url, realm='realm1')
loop = asyncio.get_event_loop()
txaio.config.loop = loop
session_ready = asyncio.Event()
async def setup_session(created_session, _details):
"""Callback method used to retrieve a session and notify interested parties with an event"""
self.session = created_session
nonlocal session_ready
session_ready.set()
self.component.start(loop=loop)
self.component.on_join(setup_session)
await session_ready.wait()
def publish(self, topic, payload):
"""Publish the payload on the specified topic
:param topic: target topic
:param payload: payload to be published
"""
self.session.publish(topic, payload)
log.debug(f"data is published to : {topic}")