def _format_response(msg_header, msg_body, status):
"""
Format a response
:param msg_header: The header portion of a received request
:param msg_body: The response body
:param status: True is this represents a successful response
:return: a InterContainerMessage message type
"""
try:
response = InterContainerMessage()
response_body = InterContainerResponseBody()
response.header.id = msg_header.id
response.header.timestamp.GetCurrentTime()
response.header.type = MessageType.Value("RESPONSE")
response.header.from_topic = msg_header.to_topic
response.header.to_topic = msg_header.from_topic
if isinstance(msg_body, Deferred):
msg_body = msg_body.result
if msg_body is not None:
response_body.result.Pack(msg_body)
response_body.success = status
response.body.Pack(response_body)
return response
except Exception as e:
log.exception("formatting-response-failed",
header=msg_header,
body=msg_body,
status=status,
e=e)
return None
def _parse_response(self, msg):
try:
message = InterContainerMessage()
message.ParseFromString(msg)
resp = InterContainerResponseBody()
if message.body.Is(InterContainerResponseBody.DESCRIPTOR):
message.body.Unpack(resp)
else:
log.debug("unsupported-msg", msg_type=type(message.body))
return None
log.debug("parsed-response", input=message, output=resp)
return resp
except Exception as e:
log.exception("parsing-response-failed", msg=msg, e=e)
return None
def _parse_response(self, msg):
try:
message = InterContainerMessage()
message.ParseFromString(msg)
resp = InterContainerResponseBody()
if message.body.Is(InterContainerResponseBody.DESCRIPTOR):
message.body.Unpack(resp)
else:
log.debug("unsupported-msg", msg_type=type(message.body))
return None
log.debug("parsed-response",
type=message.header.type,
from_topic=message.header.from_topic,
to_topic=message.header.to_topic,
transaction_id=message.header.id)
return resp
except Exception as e:
log.exception("parsing-response-failed", msg=msg, e=e)
return None