From 621e7f37f1a7f32ff5046060f17a1da825f9ff8b Mon Sep 17 00:00:00 2001 From: Andrew Morgan Date: Mon, 18 Mar 2019 17:45:54 +0000 Subject: Better exception handling --- synapse/http/matrixfederationclient.py | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) (limited to 'synapse') diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py index b27c4c1c38..3c27686a89 100644 --- a/synapse/http/matrixfederationclient.py +++ b/synapse/http/matrixfederationclient.py @@ -221,30 +221,31 @@ class MatrixFederationHttpClient(object): """ try: response = yield self._send_request(**send_request_args) + + # Check if it's necessary to retry with a trailing slash + body = yield _handle_json_response( + self.hs.get_reactor(), self.default_timeout, request, response, + ) except HttpResponseException as e: - # Received a 400. Raise unless we're retrying if not try_trailing_slash_on_400: + # Received an error >= 300. Raise unless we're retrying raise e - - # Check if it's necessary to retry with a trailing slash - body = yield _handle_json_response( - self.hs.get_reactor(), self.default_timeout, request, response, - ) + except: + raise e # Retry with a trailing slash if we received a 400 with # 'M_UNRECOGNIZED' which some endpoints can return when omitting a - # trailing slash on Synapse <=v0.99.2. - if not (response.code == 400 and body.get("errcode") == "M_UNRECOGNIZED"): - # Enable backoff if initially disabled - send_request_args["backoff_on_404"] = backoff_on_404 + # trailing slash on Synapse <= v0.99.2. + # Enable backoff if initially disabled + send_request_args["backoff_on_404"] = backoff_on_404 - # Add trailing slash - send_request_args["request"].path += "/" + # Add trailing slash + send_request_args["request"].path += "/" - response = yield self._send_request(**send_request_args) - body = yield _handle_json_response( - self.hs.get_reactor(), self.default_timeout, request, response, - ) + response = yield self._send_request(**send_request_args) + body = yield _handle_json_response( + self.hs.get_reactor(), self.default_timeout, request, response, + ) defer.returnValue(body) -- cgit 1.4.1