def _set_publisher_endpoints(self,
service_instance,
publisher_streams=None):
service_instance.stream_publisher_registrar = StreamPublisherRegistrar(
process=service_instance, node=self.container.node)
publisher_streams = publisher_streams or {}
for name, stream_id in publisher_streams.iteritems():
# problem is here
pub = service_instance.stream_publisher_registrar.create_publisher(
stream_id)
setattr(service_instance, name, pub)
def on_start(self):
'''
Creates a publisher for each stream_id passed in as publish_streams
Creates an attribute with the name matching the stream name which corresponds to the publisher
ex: say we have publish_streams:{'output': my_output_stream_id }
then the instance has an attribute output which corresponds to the publisher for the stream
in my_output_stream_id
'''
# Get the stream(s)
stream_id = self.CFG.get('process',{}).get('stream_id','')
self.greenlet_queue = []
self._usgs_def = USGS_stream_definition()
# Stream creation is done in SA, but to make the example go for demonstration create one here if it is not provided...
if not stream_id:
pubsub_cli = PubsubManagementServiceClient(node=self.container.node)
stream_id = pubsub_cli.create_stream(
name='Example USGS Data',
stream_definition=self._usgs_def,
original=True,
encoding='ION R2')
self.stream_publisher_registrar = StreamPublisherRegistrar(process=self,node=self.container.node)
# Needed to get the originator's stream_id
self.stream_id = stream_id
self.publisher = self.stream_publisher_registrar.create_publisher(stream_id=stream_id)
self.last_time = 0
g = Greenlet(self._trigger_func, stream_id)
log.warn('Starting publisher thread for simple usgs data.')
g.start()
self.greenlet_queue.append(g)
