def _start_server(self,
pipelines=dict(),
topic=None,
host=None,
allow_stop=True):
pipeline_driver = FakePipelineDriver()
for key, value in pipelines.items():
pipeline_driver.add_pipeline(value, name=key)
server = ProcessServer(host or 'test.host',
pipeline_driver=pipeline_driver,
topic=topic,
allow_stop=allow_stop)
thread = threading.Thread(target=server.start)
thread.daemon = True
thread.server = server
thread.start()
return thread
class Server(Daemon):
def __init__(self, host):
self.host = host
self.rpc_server = ProcessServer(self.host, self.pipelines)
def start(self):
"""Starts the rpc server."""
self.rpc_server.start()
def wait(self):
"""Waits for rpc server to end."""
self.rpc_server.wait()
def stop(self):
"""Stops the rpc server"""
self.rpc_server.stop()
def run_forever(self, *args, **kwargs):
"""Run the process continuously."""
self.start()
try:
self.wait()
except:
self.stop()
raise
self.stop()
def run_once(self, *args, **kwargs):
"""Run the process one pass."""
self.start()
try:
self.wait()
except:
self.stop()
raise
self.stop()
def __init__(self, host):
self.host = host
self.rpc_server = ProcessServer(self.host, self.pipelines)