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Merge pull request #2770 from matrix-org/rav/fix_request_metrics

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Update http request metrics before calling servlet
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Richard van der Hoff 2018-01-10 14:53:40 +00:00 committed by GitHub
commit c175a5f0f2
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1 changed files with 19 additions and 11 deletions
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30
synapse/http/server.py
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@ -107,6 +107,10 @@ def wrap_request_handler(request_handler, include_metrics=False):
with LoggingContext(request_id) as request_context:
with Measure(self.clock, "wrapped_request_handler"):
request_metrics = RequestMetrics()
# we start the request metrics timer here with an initial stab
# at the servlet name. For most requests that name will be
# JsonResource (or a subclass), and JsonResource._async_render
# will update it once it picks a servlet.
request_metrics.start(self.clock, name=self.__class__.__name__)
request_context.request = request_id
@ -249,12 +253,23 @@ class JsonResource(HttpServer, resource.Resource):
if not m:
continue
# We found a match! Trigger callback and then return the
# returned response. We pass both the request and any
# matched groups from the regex to the callback.
# We found a match! First update the metrics object to indicate
# which servlet is handling the request.
callback = path_entry.callback
servlet_instance = getattr(callback, "__self__", None)
if servlet_instance is not None:
servlet_classname = servlet_instance.__class__.__name__
else:
servlet_classname = "%r" % callback
request_metrics.name = servlet_classname
# Now trigger the callback. If it returns a response, we send it
# here. If it throws an exception, that is handled by the wrapper
# installed by @request_handler.
kwargs = intern_dict({
name: urllib.unquote(value).decode("UTF-8") if value else value
for name, value in m.groupdict().items()
@ -265,17 +280,10 @@ class JsonResource(HttpServer, resource.Resource):
code, response = callback_return
self._send_response(request, code, response)
servlet_instance = getattr(callback, "__self__", None)
if servlet_instance is not None:
servlet_classname = servlet_instance.__class__.__name__
else:
servlet_classname = "%r" % callback
request_metrics.name = servlet_classname
return
# Huh. No one wanted to handle that? Fiiiiiine. Send 400.
request_metrics.name = self.__class__.__name__ + ".UnrecognizedRequest"
raise UnrecognizedRequestError()
def _send_response(self, request, code, response_json_object,