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Limit the number of events that can be created on a given room concurretnly

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This commit is contained in:
Erik Johnston 2016-11-10 16:44:35 +00:00
parent d073cb7ead
commit 2bd4513a4d
1 changed files with 29 additions and 25 deletions
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6
synapse/handlers/message.py
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@ -24,7 +24,7 @@ from synapse.push.action_generator import ActionGenerator
from synapse.types import ( from synapse.types import (
UserID, RoomAlias, RoomStreamToken, get_domain_from_id UserID, RoomAlias, RoomStreamToken, get_domain_from_id
) )
from synapse.util.async import run_on_reactor, ReadWriteLock from synapse.util.async import run_on_reactor, ReadWriteLock, Limiter
from synapse.util.logcontext import preserve_fn from synapse.util.logcontext import preserve_fn
from synapse.util.metrics import measure_func from synapse.util.metrics import measure_func
from synapse.visibility import filter_events_for_client from synapse.visibility import filter_events_for_client
@ -50,6 +50,8 @@ class MessageHandler(BaseHandler):
self.pagination_lock = ReadWriteLock() self.pagination_lock = ReadWriteLock()
self.limiter = Limiter(max_count=5)
@defer.inlineCallbacks @defer.inlineCallbacks
def purge_history(self, room_id, event_id): def purge_history(self, room_id, event_id):
event = yield self.store.get_event(event_id) event = yield self.store.get_event(event_id)
@ -191,6 +193,7 @@ class MessageHandler(BaseHandler):
""" """
builder = self.event_builder_factory.new(event_dict) builder = self.event_builder_factory.new(event_dict)
with (yield self.limiter.queue(builder.room_id)):
self.validator.validate_new(builder) self.validator.validate_new(builder)
if builder.type == EventTypes.Member: if builder.type == EventTypes.Member:
@ -221,6 +224,7 @@ class MessageHandler(BaseHandler):
builder=builder, builder=builder,
prev_event_ids=prev_event_ids, prev_event_ids=prev_event_ids,
) )
defer.returnValue((event, context)) defer.returnValue((event, context))
@defer.inlineCallbacks @defer.inlineCallbacks