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authorRichard van der Hoff <richard@matrix.org>2018-05-03 14:59:29 +0100
committerRichard van der Hoff <richard@matrix.org>2018-05-03 14:59:29 +0100
commit093d8c415a303fa7c8900e3fe685843b60a85eed (patch)
tree8dd5ceabb4c8ecbae18fa95f10108ba335c6bbbf /synapse/notifier.py
parentMake 'unexpected logging context' into warnings (diff)
parentMerge pull request #3183 from matrix-org/rav/moar_logcontext_leaks (diff)
downloadsynapse-093d8c415a303fa7c8900e3fe685843b60a85eed.tar.xz
Merge remote-tracking branch 'origin/develop' into rav/warn_on_logcontext_fail
Diffstat (limited to 'synapse/notifier.py')
-rw-r--r--synapse/notifier.py43
1 files changed, 27 insertions, 16 deletions
diff --git a/synapse/notifier.py b/synapse/notifier.py
index ef042681bc..8355c7d621 100644
--- a/synapse/notifier.py
+++ b/synapse/notifier.py
@@ -14,14 +14,17 @@
 # limitations under the License.
 
 from twisted.internet import defer
+
 from synapse.api.constants import EventTypes, Membership
 from synapse.api.errors import AuthError
 from synapse.handlers.presence import format_user_presence_state
 
-from synapse.util import DeferredTimedOutError
 from synapse.util.logutils import log_function
-from synapse.util.async import ObservableDeferred
-from synapse.util.logcontext import PreserveLoggingContext, preserve_fn
+from synapse.util.async import (
+    ObservableDeferred, add_timeout_to_deferred,
+    DeferredTimeoutError,
+)
+from synapse.util.logcontext import PreserveLoggingContext, run_in_background
 from synapse.util.metrics import Measure
 from synapse.types import StreamToken
 from synapse.visibility import filter_events_for_client
@@ -144,6 +147,7 @@ class _NotifierUserStream(object):
 class EventStreamResult(namedtuple("EventStreamResult", ("events", "tokens"))):
     def __nonzero__(self):
         return bool(self.events)
+    __bool__ = __nonzero__  # python3
 
 
 class Notifier(object):
@@ -250,9 +254,7 @@ class Notifier(object):
     def _on_new_room_event(self, event, room_stream_id, extra_users=[]):
         """Notify any user streams that are interested in this room event"""
         # poke any interested application service.
-        preserve_fn(self.appservice_handler.notify_interested_services)(
-            room_stream_id
-        )
+        run_in_background(self._notify_app_services, room_stream_id)
 
         if self.federation_sender:
             self.federation_sender.notify_new_events(room_stream_id)
@@ -266,6 +268,13 @@ class Notifier(object):
             rooms=[event.room_id],
         )
 
+    @defer.inlineCallbacks
+    def _notify_app_services(self, room_stream_id):
+        try:
+            yield self.appservice_handler.notify_interested_services(room_stream_id)
+        except Exception:
+            logger.exception("Error notifying application services of event")
+
     def on_new_event(self, stream_key, new_token, users=[], rooms=[]):
         """ Used to inform listeners that something has happend event wise.
 
@@ -330,11 +339,12 @@ class Notifier(object):
                     # Now we wait for the _NotifierUserStream to be told there
                     # is a new token.
                     listener = user_stream.new_listener(prev_token)
+                    add_timeout_to_deferred(
+                        listener.deferred,
+                        (end_time - now) / 1000.,
+                    )
                     with PreserveLoggingContext():
-                        yield self.clock.time_bound_deferred(
-                            listener.deferred,
-                            time_out=(end_time - now) / 1000.
-                        )
+                        yield listener.deferred
 
                     current_token = user_stream.current_token
 
@@ -345,7 +355,7 @@ class Notifier(object):
                     # Update the prev_token to the current_token since nothing
                     # has happened between the old prev_token and the current_token
                     prev_token = current_token
-                except DeferredTimedOutError:
+                except DeferredTimeoutError:
                     break
                 except defer.CancelledError:
                     break
@@ -550,13 +560,14 @@ class Notifier(object):
             if end_time <= now:
                 break
 
+            add_timeout_to_deferred(
+                listener.deferred.addTimeout,
+                (end_time - now) / 1000.,
+            )
             try:
                 with PreserveLoggingContext():
-                    yield self.clock.time_bound_deferred(
-                        listener.deferred,
-                        time_out=(end_time - now) / 1000.
-                    )
-            except DeferredTimedOutError:
+                    yield listener.deferred
+            except DeferredTimeoutError:
                 break
             except defer.CancelledError:
                 break