diff --git a/synapse/app/pusher.py b/synapse/app/pusher.py
new file mode 100644
index 0000000000..a0e765c54f
--- /dev/null
+++ b/synapse/app/pusher.py
@@ -0,0 +1,303 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+# Copyright 2016 OpenMarket Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import synapse
+
+from synapse.server import HomeServer
+from synapse.config._base import ConfigError
+from synapse.config.logger import setup_logging
+from synapse.config.homeserver import HomeServerConfig
+from synapse.http.site import SynapseSite
+from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
+from synapse.storage.roommember import RoomMemberStore
+from synapse.replication.slave.storage.events import SlavedEventStore
+from synapse.replication.slave.storage.pushers import SlavedPusherStore
+from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
+from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
+from synapse.storage.engines import create_engine
+from synapse.storage import DataStore
+from synapse.util.async import sleep
+from synapse.util.httpresourcetree import create_resource_tree
+from synapse.util.logcontext import LoggingContext, preserve_fn
+from synapse.util.manhole import manhole
+from synapse.util.rlimit import change_resource_limit
+from synapse.util.versionstring import get_version_string
+
+from synapse import events
+
+from twisted.internet import reactor, defer
+from twisted.web.resource import Resource
+
+from daemonize import Daemonize
+
+import sys
+import logging
+import gc
+
+logger = logging.getLogger("synapse.app.pusher")
+
+
+class PusherSlaveStore(
+ SlavedEventStore, SlavedPusherStore, SlavedReceiptsStore,
+ SlavedAccountDataStore
+):
+ update_pusher_last_stream_ordering_and_success = (
+ DataStore.update_pusher_last_stream_ordering_and_success.__func__
+ )
+
+ update_pusher_failing_since = (
+ DataStore.update_pusher_failing_since.__func__
+ )
+
+ update_pusher_last_stream_ordering = (
+ DataStore.update_pusher_last_stream_ordering.__func__
+ )
+
+ get_throttle_params_by_room = (
+ DataStore.get_throttle_params_by_room.__func__
+ )
+
+ set_throttle_params = (
+ DataStore.set_throttle_params.__func__
+ )
+
+ get_time_of_last_push_action_before = (
+ DataStore.get_time_of_last_push_action_before.__func__
+ )
+
+ get_profile_displayname = (
+ DataStore.get_profile_displayname.__func__
+ )
+
+ who_forgot_in_room = (
+ RoomMemberStore.__dict__["who_forgot_in_room"]
+ )
+
+
+class PusherServer(HomeServer):
+
+ def get_db_conn(self, run_new_connection=True):
+ # Any param beginning with cp_ is a parameter for adbapi, and should
+ # not be passed to the database engine.
+ db_params = {
+ k: v for k, v in self.db_config.get("args", {}).items()
+ if not k.startswith("cp_")
+ }
+ db_conn = self.database_engine.module.connect(**db_params)
+
+ if run_new_connection:
+ self.database_engine.on_new_connection(db_conn)
+ return db_conn
+
+ def setup(self):
+ logger.info("Setting up.")
+ self.datastore = PusherSlaveStore(self.get_db_conn(), self)
+ logger.info("Finished setting up.")
+
+ def remove_pusher(self, app_id, push_key, user_id):
+ http_client = self.get_simple_http_client()
+ replication_url = self.config.worker_replication_url
+ url = replication_url + "/remove_pushers"
+ return http_client.post_json_get_json(url, {
+ "remove": [{
+ "app_id": app_id,
+ "push_key": push_key,
+ "user_id": user_id,
+ }]
+ })
+
+ def _listen_http(self, listener_config):
+ port = listener_config["port"]
+ bind_address = listener_config.get("bind_address", "")
+ site_tag = listener_config.get("tag", port)
+ resources = {}
+ for res in listener_config["resources"]:
+ for name in res["names"]:
+ if name == "metrics":
+ resources[METRICS_PREFIX] = MetricsResource(self)
+
+ root_resource = create_resource_tree(resources, Resource())
+ reactor.listenTCP(
+ port,
+ SynapseSite(
+ "synapse.access.http.%s" % (site_tag,),
+ site_tag,
+ listener_config,
+ root_resource,
+ ),
+ interface=bind_address
+ )
+ logger.info("Synapse pusher now listening on port %d", port)
+
+ def start_listening(self, listeners):
+ for listener in listeners:
+ if listener["type"] == "http":
+ self._listen_http(listener)
+ elif listener["type"] == "manhole":
+ reactor.listenTCP(
+ listener["port"],
+ manhole(
+ username="matrix",
+ password="rabbithole",
+ globals={"hs": self},
+ ),
+ interface=listener.get("bind_address", '127.0.0.1')
+ )
+ else:
+ logger.warn("Unrecognized listener type: %s", listener["type"])
+
+ @defer.inlineCallbacks
+ def replicate(self):
+ http_client = self.get_simple_http_client()
+ store = self.get_datastore()
+ replication_url = self.config.worker_replication_url
+ pusher_pool = self.get_pusherpool()
+
+ def stop_pusher(user_id, app_id, pushkey):
+ key = "%s:%s" % (app_id, pushkey)
+ pushers_for_user = pusher_pool.pushers.get(user_id, {})
+ pusher = pushers_for_user.pop(key, None)
+ if pusher is None:
+ return
+ logger.info("Stopping pusher %r / %r", user_id, key)
+ pusher.on_stop()
+
+ def start_pusher(user_id, app_id, pushkey):
+ key = "%s:%s" % (app_id, pushkey)
+ logger.info("Starting pusher %r / %r", user_id, key)
+ return pusher_pool._refresh_pusher(app_id, pushkey, user_id)
+
+ @defer.inlineCallbacks
+ def poke_pushers(results):
+ pushers_rows = set(
+ map(tuple, results.get("pushers", {}).get("rows", []))
+ )
+ deleted_pushers_rows = set(
+ map(tuple, results.get("deleted_pushers", {}).get("rows", []))
+ )
+ for row in sorted(pushers_rows | deleted_pushers_rows):
+ if row in deleted_pushers_rows:
+ user_id, app_id, pushkey = row[1:4]
+ stop_pusher(user_id, app_id, pushkey)
+ elif row in pushers_rows:
+ user_id = row[1]
+ app_id = row[5]
+ pushkey = row[8]
+ yield start_pusher(user_id, app_id, pushkey)
+
+ stream = results.get("events")
+ if stream and stream["rows"]:
+ min_stream_id = stream["rows"][0][0]
+ max_stream_id = stream["position"]
+ preserve_fn(pusher_pool.on_new_notifications)(
+ min_stream_id, max_stream_id
+ )
+
+ stream = results.get("receipts")
+ if stream and stream["rows"]:
+ rows = stream["rows"]
+ affected_room_ids = set(row[1] for row in rows)
+ min_stream_id = rows[0][0]
+ max_stream_id = stream["position"]
+ preserve_fn(pusher_pool.on_new_receipts)(
+ min_stream_id, max_stream_id, affected_room_ids
+ )
+
+ while True:
+ try:
+ args = store.stream_positions()
+ args["timeout"] = 30000
+ result = yield http_client.get_json(replication_url, args=args)
+ yield store.process_replication(result)
+ poke_pushers(result)
+ except:
+ logger.exception("Error replicating from %r", replication_url)
+ yield sleep(30)
+
+
+def start(config_options):
+ try:
+ config = HomeServerConfig.load_config(
+ "Synapse pusher", config_options
+ )
+ except ConfigError as e:
+ sys.stderr.write("\n" + e.message + "\n")
+ sys.exit(1)
+
+ assert config.worker_app == "synapse.app.pusher"
+
+ setup_logging(config.worker_log_config, config.worker_log_file)
+
+ events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
+ if config.start_pushers:
+ sys.stderr.write(
+ "\nThe pushers must be disabled in the main synapse process"
+ "\nbefore they can be run in a separate worker."
+ "\nPlease add ``start_pushers: false`` to the main config"
+ "\n"
+ )
+ sys.exit(1)
+
+ # Force the pushers to start since they will be disabled in the main config
+ config.start_pushers = True
+
+ database_engine = create_engine(config.database_config)
+
+ ps = PusherServer(
+ config.server_name,
+ db_config=config.database_config,
+ config=config,
+ version_string="Synapse/" + get_version_string(synapse),
+ database_engine=database_engine,
+ )
+
+ ps.setup()
+ ps.start_listening(config.worker_listeners)
+
+ def run():
+ with LoggingContext("run"):
+ logger.info("Running")
+ change_resource_limit(config.soft_file_limit)
+ if config.gc_thresholds:
+ gc.set_threshold(*config.gc_thresholds)
+ reactor.run()
+
+ def start():
+ ps.replicate()
+ ps.get_pusherpool().start()
+ ps.get_datastore().start_profiling()
+ ps.get_state_handler().start_caching()
+
+ reactor.callWhenRunning(start)
+
+ if config.worker_daemonize:
+ daemon = Daemonize(
+ app="synapse-pusher",
+ pid=config.worker_pid_file,
+ action=run,
+ auto_close_fds=False,
+ verbose=True,
+ logger=logger,
+ )
+ daemon.start()
+ else:
+ run()
+
+
+if __name__ == '__main__':
+ with LoggingContext("main"):
+ ps = start(sys.argv[1:])
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