Fix up leak. Add warnings.

synapse/handlers/_base.py

@@ -20,6 +20,8 @@ from synapse.crypto.event_signing import add_hashes_and_signatures
 from synapse.api.constants import Membership, EventTypes
 from synapse.types import UserID
 
+from synapse.util.logcontext import PreserveLoggingContext
+
 import logging
 
 
@@ -137,10 +139,11 @@ class BaseHandler(object):
                     "Failed to get destination from event %s", s.event_id
                 )
 
-        # Don't block waiting on waking up all the listeners.
-        notify_d = self.notifier.on_new_room_event(
-            event, extra_users=extra_users
-        )
+        with PreserveLoggingContext():
+            # Don't block waiting on waking up all the listeners.
+            notify_d = self.notifier.on_new_room_event(
+                event, extra_users=extra_users
+            )
 
         def log_failure(f):
             logger.warn(

synapse/handlers/federation.py

@@ -21,6 +21,7 @@ from synapse.api.errors import (
     AuthError, FederationError, StoreError,
 )
 from synapse.api.constants import EventTypes, Membership, RejectedReason
+from synapse.util.logcontext import PreserveLoggingContext
 from synapse.util.logutils import log_function
 from synapse.util.async import run_on_reactor
 from synapse.util.frozenutils import unfreeze
@@ -197,9 +198,10 @@ class FederationHandler(BaseHandler):
                 target_user = UserID.from_string(target_user_id)
                 extra_users.append(target_user)
 
-            d = self.notifier.on_new_room_event(
-                event, extra_users=extra_users
-            )
+            with PreserveLoggingContext():
+                d = self.notifier.on_new_room_event(
+                    event, extra_users=extra_users
+                )
 
             def log_failure(f):
                 logger.warn(
@@ -431,9 +433,10 @@ class FederationHandler(BaseHandler):
                 auth_events=auth_events,
             )
 
-            d = self.notifier.on_new_room_event(
-                new_event, extra_users=[joinee]
-            )
+            with PreserveLoggingContext():
+                d = self.notifier.on_new_room_event(
+                    new_event, extra_users=[joinee]
+                )
 
             def log_failure(f):
                 logger.warn(
@@ -512,9 +515,10 @@ class FederationHandler(BaseHandler):
             target_user = UserID.from_string(target_user_id)
             extra_users.append(target_user)
 
-        d = self.notifier.on_new_room_event(
-            event, extra_users=extra_users
-        )
+        with PreserveLoggingContext():
+            d = self.notifier.on_new_room_event(
+                event, extra_users=extra_users
+            )
 
         def log_failure(f):
             logger.warn(
@@ -594,9 +598,10 @@ class FederationHandler(BaseHandler):
         )
 
         target_user = UserID.from_string(event.state_key)
-        d = self.notifier.on_new_room_event(
-            event, extra_users=[target_user],
-        )
+        with PreserveLoggingContext():
+            d = self.notifier.on_new_room_event(
+                event, extra_users=[target_user],
+            )
 
         def log_failure(f):
             logger.warn(

synapse/handlers/presence.py

@@ -18,6 +18,7 @@ from twisted.internet import defer
 from synapse.api.errors import SynapseError, AuthError
 from synapse.api.constants import PresenceState
 
+from synapse.util.logcontext import PreserveLoggingContext
 from synapse.util.logutils import log_function
 from synapse.types import UserID
 import synapse.metrics
@@ -808,10 +809,11 @@ class PresenceHandler(BaseHandler):
 
     def push_update_to_clients(self, observed_user, users_to_push=[],
                                room_ids=[], statuscache=None):
-        self.notifier.on_new_user_event(
-            users_to_push,
-            room_ids,
-        )
+        with PreserveLoggingContext():
+            self.notifier.on_new_user_event(
+                users_to_push,
+                room_ids,
+            )
 
 
 class PresenceEventSource(object):

synapse/handlers/typing.py

@@ -18,6 +18,7 @@ from twisted.internet import defer
 from ._base import BaseHandler
 
 from synapse.api.errors import SynapseError, AuthError
+from synapse.util.logcontext import PreserveLoggingContext
 from synapse.types import UserID
 
 import logging
@@ -216,7 +217,8 @@ class TypingNotificationHandler(BaseHandler):
         self._latest_room_serial += 1
         self._room_serials[room_id] = self._latest_room_serial
 
-        self.notifier.on_new_user_event(rooms=[room_id])
+        with PreserveLoggingContext():
+            self.notifier.on_new_user_event(rooms=[room_id])
 
 
 class TypingNotificationEventSource(object):