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from autobahn.twisted.component import Component, run
from autobahn.twisted.util import sleep
from autobahn.wamp.types import RegisterOptions
from twisted.internet.defer import inlineCallbacks, returnValue
# to see how this works on the Crossbar.io side, see the example
# router configuration in:
# https://github.com/crossbario/autobahn-python/blob/master/examples/router/.crossbar/config.json
component = Component(
# you can configure multiple transports; here we use two different
# transports which both exist in the demo router
transports=[
{
"type": "websocket",
"url": "ws://localhost:8080/auth_ws",
"endpoint": {
"type": "tcp",
"host": "localhost",
"port": 8080,
},
# you can set various websocket options here if you want
"options": {
"open_handshake_timeout": 100,
}
},
],
# authentication can also be configured (this will only work on
# the demo router on the first transport above)
authentication={
"cryptosign": {
'authid': 'alice',
# this key should be loaded from disk, database etc never burned into code like this...
'privkey': '6e3a302aa67d55ffc2059efeb5cf679470b37a26ae9ac18693b56ea3d0cd331c',
}
},
# must provide a realm
realm="crossbardemo",
)
@component.on_join
@inlineCallbacks
def join(session, details):
print("joined {}: {}".format(session, details))
yield sleep(1)
print("Calling 'com.example'")
res = yield session.call("example.foo", 42, something="nothing")
print("Result: {}".format(res))
yield session.leave()
@component.register(
"example.foo",
options=RegisterOptions(details_arg='details'),
)
@inlineCallbacks
def foo(*args, **kw):
print("foo called: {}, {}".format(args, kw))
for x in range(5, 0, -1):
print(" returning in {}".format(x))
yield sleep(1)
print("returning '42'")
returnValue(42)
if __name__ == "__main__":
run([component])
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