def create_subscribe_request(subscribe_type=SubscribeType.Events,
events_store_type=EventsStoreType.Undefined,
events_store_type_value=0):
return SubscribeRequest(channel="MyTestChannelName",
client_id=str(randint(9, 19999)),
events_store_type=events_store_type,
events_store_type_value=events_store_type_value,
group="",
subscribe_type=subscribe_type)
def create_subscribe_request(subscribe_type=SubscribeType.Events,
client_id="",
events_store_type=EventsStoreType.Undefined,
events_store_type_value=0,
channel_name='events-store'):
return SubscribeRequest(channel=channel_name,
client_id=client_id,
events_store_type=events_store_type,
events_store_type_value=events_store_type_value,
group="",
subscribe_type=subscribe_type)
def subscribe_to_requests(channel_name, p_client_id, kube_add):
responder = Responder(kube_add)
cancel_token = ListenerCancellationToken()
sub_req = SubscribeRequest(channel=channel_name,
client_id=p_client_id,
events_store_type=EventsStoreType.Undefined,
events_store_type_value=0,
group="",
subscribe_type=SubscribeType.Queries)
responder.subscribe_to_requests(sub_req, handle_incoming_request,
handle_incoming_error, cancel_token)
print("sub for 10 seconds")
time.sleep(10.0)
print("Canceled token")
cancel_token.cancel()
def event_subscriber(queue_name, client_id, kube_add):
subscriber = Subscriber(kube_add)
cancel_token = ListenerCancellationToken()
sub_req = SubscribeRequest(channel="MyTestChannelName",
client_id=str(randint(9, 19999)),
events_store_type=EventsStoreType.Undefined,
events_store_type_value=0,
group="",
subscribe_type=SubscribeType.Events)
subscriber.subscribe_to_events(sub_req, handle_incoming_events,
handle_incoming_error, cancel_token)
print("sub for 2 seconds")
time.sleep(2.0)
print("Canceled token")
cancel_token.cancel()
def subcribe_to_event_store(channel_name, p_client_id, kube_add):
subscriber = Subscriber(kube_add)
cancel_token = ListenerCancellationToken()
sub_req = SubscribeRequest(
channel=channel_name,
client_id=p_client_id,
events_store_type=EventsStoreType.StartFromFirst,
events_store_type_value=0,
group="",
subscribe_type=SubscribeType.EventsStore)
subscriber.subscribe_to_events(sub_req, handle_incoming_events,
handle_incoming_error, cancel_token)
print("sub for 2 seconds")
time.sleep(2.0)
print("Canceled token")
cancel_token.cancel()
def handle_incoming_events(event):
if event:
print(
"Subscriber Received Event: Metadata:'%s', Channel:'%s', Body:'%s tags:%s'"
% (event.metadata, event.channel, event.body, event.tags))
def handle_incoming_error(error_msg):
print("received error:%s'" % (error_msg))
if __name__ == "__main__":
print("Subscribing to event on channel example")
cancel_token = ListenerCancellationToken()
# Subscribe to events without store
subscriber = Subscriber("localhost:50000")
subscribe_request = SubscribeRequest(
channel="MyTestChannelName",
client_id="hello-world-subscriber",
events_store_type=EventsStoreType.Undefined,
events_store_type_value=0,
group="",
subscribe_type=SubscribeType.Events)
subscriber.subscribe_to_events(subscribe_request, handle_incoming_events,
handle_incoming_error, cancel_token)
input("Press 'Enter' to stop Listen...\n")
cancel_token.cancel()
input("Press 'Enter' to stop the application...\n")
def handle_incoming_error(error_msg):
print("received error:%s'" % (error_msg))
if __name__ == "__main__":
cancel_token = ListenerCancellationToken()
receiver = Responder("localhost:50000",
encryptionHeader=jwt.encode({},
algorithm="HS256",
key="some-key"))
subscribe_request = SubscribeRequest(
channel="testing_Command_channel",
client_id='hello-world-sender',
events_store_type=SubscribeType.SubscribeTypeUndefined,
events_store_type_value=0,
group="",
subscribe_type=SubscribeType.Commands)
try:
receiver.subscribe_to_requests(subscribe_request,
handle_incoming_request,
handle_incoming_error, cancel_token)
input("Press 'Enter' to stop Listen...\n")
cancel_token.cancel()
input("Press 'Enter' to stop the application...\n")
except Exception as err:
print("'error sending:'%s'" % (err))