315 lines
11 KiB
Python
315 lines
11 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# Copyright 2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import synapse
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from synapse.server import HomeServer
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from synapse.config._base import ConfigError
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from synapse.config.logger import setup_logging
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from synapse.config.homeserver import HomeServerConfig
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from synapse.http.site import SynapseSite
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from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
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from synapse.storage.roommember import RoomMemberStore
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from synapse.replication.slave.storage.events import SlavedEventStore
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from synapse.replication.slave.storage.pushers import SlavedPusherStore
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from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
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from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
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from synapse.storage.engines import create_engine
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from synapse.storage import DataStore
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from synapse.util.async import sleep
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from synapse.util.httpresourcetree import create_resource_tree
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from synapse.util.logcontext import LoggingContext, preserve_fn
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from synapse.util.manhole import manhole
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from synapse.util.rlimit import change_resource_limit
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from synapse.util.versionstring import get_version_string
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from twisted.internet import reactor, defer
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from twisted.web.resource import Resource
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from daemonize import Daemonize
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import sys
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import logging
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import gc
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logger = logging.getLogger("synapse.app.pusher")
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class PusherSlaveStore(
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SlavedEventStore, SlavedPusherStore, SlavedReceiptsStore,
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SlavedAccountDataStore
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):
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update_pusher_last_stream_ordering_and_success = (
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DataStore.update_pusher_last_stream_ordering_and_success.__func__
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)
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update_pusher_failing_since = (
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DataStore.update_pusher_failing_since.__func__
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)
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update_pusher_last_stream_ordering = (
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DataStore.update_pusher_last_stream_ordering.__func__
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)
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get_throttle_params_by_room = (
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DataStore.get_throttle_params_by_room.__func__
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)
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set_throttle_params = (
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DataStore.set_throttle_params.__func__
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)
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get_time_of_last_push_action_before = (
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DataStore.get_time_of_last_push_action_before.__func__
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)
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get_profile_displayname = (
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DataStore.get_profile_displayname.__func__
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)
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# XXX: This is a bit broken because we don't persist forgotten rooms
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# in a way that they can be streamed. This means that we don't have a
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# way to invalidate the forgotten rooms cache correctly.
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# For now we expire the cache every 10 minutes.
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BROKEN_CACHE_EXPIRY_MS = 60 * 60 * 1000
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who_forgot_in_room = (
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RoomMemberStore.__dict__["who_forgot_in_room"]
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)
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class PusherServer(HomeServer):
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def get_db_conn(self, run_new_connection=True):
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# Any param beginning with cp_ is a parameter for adbapi, and should
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# not be passed to the database engine.
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db_params = {
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k: v for k, v in self.db_config.get("args", {}).items()
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if not k.startswith("cp_")
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}
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db_conn = self.database_engine.module.connect(**db_params)
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if run_new_connection:
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self.database_engine.on_new_connection(db_conn)
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return db_conn
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def setup(self):
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logger.info("Setting up.")
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self.datastore = PusherSlaveStore(self.get_db_conn(), self)
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logger.info("Finished setting up.")
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def remove_pusher(self, app_id, push_key, user_id):
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http_client = self.get_simple_http_client()
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replication_url = self.config.worker_replication_url
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url = replication_url + "/remove_pushers"
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return http_client.post_json_get_json(url, {
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"remove": [{
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"app_id": app_id,
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"push_key": push_key,
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"user_id": user_id,
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}]
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})
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def _listen_http(self, listener_config):
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port = listener_config["port"]
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bind_address = listener_config.get("bind_address", "")
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site_tag = listener_config.get("tag", port)
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resources = {}
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for res in listener_config["resources"]:
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for name in res["names"]:
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if name == "metrics":
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resources[METRICS_PREFIX] = MetricsResource(self)
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root_resource = create_resource_tree(resources, Resource())
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reactor.listenTCP(
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port,
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SynapseSite(
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"synapse.access.http.%s" % (site_tag,),
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site_tag,
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listener_config,
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root_resource,
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),
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interface=bind_address
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)
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logger.info("Synapse pusher now listening on port %d", port)
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def start_listening(self, listeners):
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for listener in listeners:
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if listener["type"] == "http":
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self._listen_http(listener)
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elif listener["type"] == "manhole":
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reactor.listenTCP(
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listener["port"],
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manhole(
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username="matrix",
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password="rabbithole",
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globals={"hs": self},
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),
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interface=listener.get("bind_address", '127.0.0.1')
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)
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else:
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logger.warn("Unrecognized listener type: %s", listener["type"])
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@defer.inlineCallbacks
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def replicate(self):
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http_client = self.get_simple_http_client()
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store = self.get_datastore()
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replication_url = self.config.worker_replication_url
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pusher_pool = self.get_pusherpool()
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clock = self.get_clock()
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def stop_pusher(user_id, app_id, pushkey):
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key = "%s:%s" % (app_id, pushkey)
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pushers_for_user = pusher_pool.pushers.get(user_id, {})
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pusher = pushers_for_user.pop(key, None)
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if pusher is None:
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return
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logger.info("Stopping pusher %r / %r", user_id, key)
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pusher.on_stop()
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def start_pusher(user_id, app_id, pushkey):
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key = "%s:%s" % (app_id, pushkey)
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logger.info("Starting pusher %r / %r", user_id, key)
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return pusher_pool._refresh_pusher(app_id, pushkey, user_id)
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@defer.inlineCallbacks
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def poke_pushers(results):
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pushers_rows = set(
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map(tuple, results.get("pushers", {}).get("rows", []))
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)
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deleted_pushers_rows = set(
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map(tuple, results.get("deleted_pushers", {}).get("rows", []))
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)
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for row in sorted(pushers_rows | deleted_pushers_rows):
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if row in deleted_pushers_rows:
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user_id, app_id, pushkey = row[1:4]
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stop_pusher(user_id, app_id, pushkey)
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elif row in pushers_rows:
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user_id = row[1]
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app_id = row[5]
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pushkey = row[8]
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yield start_pusher(user_id, app_id, pushkey)
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stream = results.get("events")
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if stream:
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min_stream_id = stream["rows"][0][0]
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max_stream_id = stream["position"]
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preserve_fn(pusher_pool.on_new_notifications)(
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min_stream_id, max_stream_id
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)
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stream = results.get("receipts")
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if stream:
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rows = stream["rows"]
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affected_room_ids = set(row[1] for row in rows)
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min_stream_id = rows[0][0]
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max_stream_id = stream["position"]
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preserve_fn(pusher_pool.on_new_receipts)(
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min_stream_id, max_stream_id, affected_room_ids
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)
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def expire_broken_caches():
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store.who_forgot_in_room.invalidate_all()
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next_expire_broken_caches_ms = 0
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while True:
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try:
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args = store.stream_positions()
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args["timeout"] = 30000
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result = yield http_client.get_json(replication_url, args=args)
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now_ms = clock.time_msec()
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if now_ms > next_expire_broken_caches_ms:
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expire_broken_caches()
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next_expire_broken_caches_ms = (
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now_ms + store.BROKEN_CACHE_EXPIRY_MS
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)
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yield store.process_replication(result)
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poke_pushers(result)
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except:
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logger.exception("Error replicating from %r", replication_url)
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yield sleep(30)
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def start(config_options):
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try:
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config = HomeServerConfig.load_config(
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"Synapse pusher", config_options
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)
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except ConfigError as e:
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sys.stderr.write("\n" + e.message + "\n")
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sys.exit(1)
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assert config.worker_app == "synapse.app.pusher"
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setup_logging(config.worker_log_config, config.worker_log_file)
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if config.start_pushers:
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sys.stderr.write(
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"\nThe pushers must be disabled in the main synapse process"
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"\nbefore they can be run in a separate worker."
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"\nPlease add ``start_pushers: false`` to the main config"
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"\n"
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)
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sys.exit(1)
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# Force the pushers to start since they will be disabled in the main config
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config.start_pushers = True
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database_engine = create_engine(config.database_config)
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ps = PusherServer(
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config.server_name,
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db_config=config.database_config,
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config=config,
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version_string="Synapse/" + get_version_string(synapse),
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database_engine=database_engine,
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)
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ps.setup()
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ps.start_listening(config.worker_listeners)
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def run():
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with LoggingContext("run"):
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logger.info("Running")
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change_resource_limit(config.soft_file_limit)
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if config.gc_thresholds:
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gc.set_threshold(*config.gc_thresholds)
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reactor.run()
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def start():
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ps.replicate()
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ps.get_pusherpool().start()
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ps.get_datastore().start_profiling()
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reactor.callWhenRunning(start)
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if config.worker_daemonize:
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daemon = Daemonize(
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app="synapse-pusher",
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pid=config.worker_pid_file,
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action=run,
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auto_close_fds=False,
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verbose=True,
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logger=logger,
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)
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daemon.start()
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else:
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run()
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if __name__ == '__main__':
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with LoggingContext("main"):
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ps = start(sys.argv[1:])
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