diff --git a/synapse/http/site.py b/synapse/http/site.py
index e092193c9c..167293c46d 100644
--- a/synapse/http/site.py
+++ b/synapse/http/site.py
@@ -14,7 +14,9 @@
import contextlib
import logging
import time
+from typing import Optional
+from twisted.python.failure import Failure
from twisted.web.server import Request, Site
from synapse.http import redact_uri
@@ -44,7 +46,7 @@ class SynapseRequest(Request):
request even after the client has disconnected.
Attributes:
- logcontext(LoggingContext) : the log context for this request
+ logcontext: the log context for this request
"""
def __init__(self, channel, *args, **kw):
@@ -52,10 +54,10 @@ class SynapseRequest(Request):
self.site = channel.site
self._channel = channel # this is used by the tests
self.authenticated_entity = None
- self.start_time = 0
+ self.start_time = 0.0
# we can't yet create the logcontext, as we don't know the method.
- self.logcontext = None
+ self.logcontext = None # type: Optional[LoggingContext]
global _next_request_seq
self.request_seq = _next_request_seq
@@ -181,6 +183,7 @@ class SynapseRequest(Request):
self.finish_time = time.time()
Request.finish(self)
if not self._is_processing:
+ assert self.logcontext is not None
with PreserveLoggingContext(self.logcontext):
self._finished_processing()
@@ -190,9 +193,21 @@ class SynapseRequest(Request):
Overrides twisted.web.server.Request.connectionLost to record the finish time and
do logging.
"""
+ # There is a bug in Twisted where reason is not wrapped in a Failure object
+ # Detect this and wrap it manually as a workaround
+ # More information: https://github.com/matrix-org/synapse/issues/7441
+ if not isinstance(reason, Failure):
+ reason = Failure(reason)
+
self.finish_time = time.time()
Request.connectionLost(self, reason)
+ if self.logcontext is None:
+ logger.info(
+ "Connection from %s lost before request headers were read", self.client
+ )
+ return
+
# we only get here if the connection to the client drops before we send
# the response.
#
@@ -236,13 +251,7 @@ class SynapseRequest(Request):
def _finished_processing(self):
"""Log the completion of this request and update the metrics
"""
-
- if self.logcontext is None:
- # this can happen if the connection closed before we read the
- # headers (so render was never called). In that case we'll already
- # have logged a warning, so just bail out.
- return
-
+ assert self.logcontext is not None
usage = self.logcontext.get_resource_usage()
if self._processing_finished_time is None:
|