def _on_message(self, msg, args):
""" Invoked for each message taken off a ZMQ socket.
"""
with self.channel_lock:
params = {}
params['action'] = CHANNEL.ZMQ_MESSAGE_RECEIVED
params['service'] = self.channel.service
params['rid'] = new_rid()
params['payload'] = msg
self.broker_client.send_json(params, msg_type=MESSAGE_TYPE.TO_PARALLEL_PULL)
def _on_message(self, method_frame, header_frame, body):
""" A callback to be invoked by ConsumingConnection on each new AMQP message.
"""
with self.def_amqp_lock:
with self.channel_amqp_lock:
params = {}
params['action'] = CHANNEL.AMQP_MESSAGE_RECEIVED
params['service'] = self.channel_amqp.service
params['rid'] = new_rid()
params['payload'] = body
self.broker_client.send_json(params, msg_type=MESSAGE_TYPE.TO_PARALLEL_PULL)
def _on_job_execution(self, name, service, extra):
""" Invoked by the underlying APScheduler when a job is executed. Sends
the actual execution request to the broker so it can be picked up by
one of the parallel server's broker clients.
"""
msg = {'action': SCHEDULER.JOB_EXECUTED, 'name':name, 'service': service, 'payload':extra,
'rid':new_rid()}
self.singleton.broker_client.send_json(msg)
if logger.isEnabledFor(logging.DEBUG):
msg = 'Sent a job execution request, name [{0}], service [{1}], extra [{2}]'.format(
name, service, extra)
logger.debug(msg)
def _on_message(self, msg):
""" Invoked for each message taken off a WebSphere MQ queue.
"""
with self.def_lock:
with self.channel_lock:
params = {}
params['action'] = CHANNEL.JMS_WMQ_MESSAGE_RECEIVED
params['service'] = self.channel.service
params['rid'] = new_rid()
params['payload'] = msg.text
for attr in MESSAGE_ATTRS:
params[attr] = getattr(msg, attr, None)
self.broker_client.send_json(params, msg_type=MESSAGE_TYPE.TO_PARALLEL_PULL)
def executeRequest(self, task, thread_ctx):
""" Handles incoming HTTP requests. Each request is being handled by one
of the threads created in ParallelServer.run_forever method.
"""
rid = new_rid()
response = str(rid)
try:
# SOAP or plain HTTP.
response = thread_ctx.store.request_handler.handle(rid, task, thread_ctx)
# Any exception at this point must be our fault.
except Exception, e:
tb = format_exc(e)
task.setResponseStatus(INTERNAL_SERVER_ERROR, responses[INTERNAL_SERVER_ERROR])
error_msg = '[{0}] Exception caught [{1}]'.format(rid, tb)
logger.error(error_msg)
response = error_msg
task.response_headers['Content-Type'] = 'text/plain'