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Merge pull request #3079 from matrix-org/erikj/limit_concurrent_sends
Limit concurrent event sends for a room
This commit is contained in:
commit
eaa2ebf20b
2 changed files with 53 additions and 52 deletions
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@ -454,40 +454,39 @@ class EventCreationHandler(object):
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"""
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builder = self.event_builder_factory.new(event_dict)
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with (yield self.limiter.queue(builder.room_id)):
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self.validator.validate_new(builder)
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self.validator.validate_new(builder)
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if builder.type == EventTypes.Member:
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membership = builder.content.get("membership", None)
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target = UserID.from_string(builder.state_key)
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if builder.type == EventTypes.Member:
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membership = builder.content.get("membership", None)
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target = UserID.from_string(builder.state_key)
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if membership in {Membership.JOIN, Membership.INVITE}:
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# If event doesn't include a display name, add one.
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profile = self.profile_handler
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content = builder.content
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if membership in {Membership.JOIN, Membership.INVITE}:
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# If event doesn't include a display name, add one.
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profile = self.profile_handler
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content = builder.content
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try:
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if "displayname" not in content:
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content["displayname"] = yield profile.get_displayname(target)
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if "avatar_url" not in content:
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content["avatar_url"] = yield profile.get_avatar_url(target)
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except Exception as e:
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logger.info(
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"Failed to get profile information for %r: %s",
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target, e
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)
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try:
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if "displayname" not in content:
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content["displayname"] = yield profile.get_displayname(target)
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if "avatar_url" not in content:
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content["avatar_url"] = yield profile.get_avatar_url(target)
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except Exception as e:
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logger.info(
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"Failed to get profile information for %r: %s",
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target, e
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)
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if token_id is not None:
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builder.internal_metadata.token_id = token_id
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if token_id is not None:
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builder.internal_metadata.token_id = token_id
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if txn_id is not None:
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builder.internal_metadata.txn_id = txn_id
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if txn_id is not None:
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builder.internal_metadata.txn_id = txn_id
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event, context = yield self.create_new_client_event(
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builder=builder,
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requester=requester,
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prev_event_ids=prev_event_ids,
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)
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event, context = yield self.create_new_client_event(
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builder=builder,
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requester=requester,
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prev_event_ids=prev_event_ids,
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)
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defer.returnValue((event, context))
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@ -557,27 +556,34 @@ class EventCreationHandler(object):
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See self.create_event and self.send_nonmember_event.
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"""
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event, context = yield self.create_event(
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requester,
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event_dict,
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token_id=requester.access_token_id,
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txn_id=txn_id
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)
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spam_error = self.spam_checker.check_event_for_spam(event)
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if spam_error:
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if not isinstance(spam_error, basestring):
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spam_error = "Spam is not permitted here"
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raise SynapseError(
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403, spam_error, Codes.FORBIDDEN
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# We limit the number of concurrent event sends in a room so that we
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# don't fork the DAG too much. If we don't limit then we can end up in
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# a situation where event persistence can't keep up, causing
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# extremities to pile up, which in turn leads to state resolution
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# taking longer.
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with (yield self.limiter.queue(event_dict["room_id"])):
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event, context = yield self.create_event(
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requester,
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event_dict,
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token_id=requester.access_token_id,
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txn_id=txn_id
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)
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yield self.send_nonmember_event(
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requester,
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event,
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context,
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ratelimit=ratelimit,
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)
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spam_error = self.spam_checker.check_event_for_spam(event)
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if spam_error:
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if not isinstance(spam_error, basestring):
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spam_error = "Spam is not permitted here"
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raise SynapseError(
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403, spam_error, Codes.FORBIDDEN
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)
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yield self.send_nonmember_event(
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requester,
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event,
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context,
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ratelimit=ratelimit,
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)
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defer.returnValue(event)
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@measure_func("create_new_client_event")
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@ -165,17 +165,12 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
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content=content,
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)
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else:
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event, context = yield self.event_creation_hander.create_event(
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event = yield self.event_creation_hander.create_and_send_nonmember_event(
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requester,
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event_dict,
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token_id=requester.access_token_id,
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txn_id=txn_id,
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)
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yield self.event_creation_hander.send_nonmember_event(
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requester, event, context,
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)
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ret = {}
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if event:
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ret = {"event_id": event.event_id}
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