deb-python-autobahn/examples/asyncio/wamp/overview/backend.py

29 lines
1008 B
Python

from os import environ
import asyncio
from autobahn.asyncio.wamp import ApplicationSession, ApplicationRunner
class MyComponent(ApplicationSession):
async def onJoin(self, details):
# a remote procedure; see frontend.py for a Python front-end
# that calls this. Any language with WAMP bindings can now call
# this procedure if its connected to the same router and realm.
def add2(x, y):
return x + y
reg = await self.register(add2, u'com.myapp.add2')
print("registered 'com.myapp.add2' with id {}".format(reg.id))
# publish an event every second. The event payloads can be
# anything JSON- and msgpack- serializable
while True:
self.publish(u'com.myapp.hello', 'Hello, world!')
await asyncio.sleep(1)
if __name__ == '__main__':
runner = ApplicationRunner(
environ.get("AUTOBAHN_DEMO_ROUTER", u"ws://127.0.0.1:8080/ws"),
u"crossbardemo",
)
runner.run(MyComponent)