MatrixSynapse/synapse/app/pusher.py

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#!/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
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from synapse.replication.slave.storage.account_data import SlavedAccountDataStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.storage.engines import create_engine
from synapse.storage import DataStore
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.logcontext import LoggingContext, preserve_fn, \
PreserveLoggingContext
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
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from daemonize import Daemonize
import sys
import logging
import gc
logger = logging.getLogger("synapse.app.pusher")
class PusherSlaveStore(
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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):
self.get_tcp_replication().send_remove_pusher(app_id, push_key, user_id)
def _listen_http(self, listener_config):
port = listener_config["port"]
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bind_addresses = listener_config["bind_addresses"]
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())
for address in bind_addresses:
reactor.listenTCP(
port,
SynapseSite(
"synapse.access.http.%s" % (site_tag,),
site_tag,
listener_config,
root_resource,
),
interface=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":
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bind_addresses = listener["bind_addresses"]
for address in bind_addresses:
reactor.listenTCP(
listener["port"],
manhole(
username="matrix",
password="rabbithole",
globals={"hs": self},
),
interface=address
)
else:
logger.warn("Unrecognized listener type: %s", listener["type"])
self.get_tcp_replication().start_replication(self)
def build_tcp_replication(self):
return PusherReplicationHandler(self)
class PusherReplicationHandler(ReplicationClientHandler):
def __init__(self, hs):
super(PusherReplicationHandler, self).__init__(hs.get_datastore())
self.pusher_pool = hs.get_pusherpool()
def on_rdata(self, stream_name, token, rows):
super(PusherReplicationHandler, self).on_rdata(stream_name, token, rows)
preserve_fn(self.poke_pushers)(stream_name, token, rows)
@defer.inlineCallbacks
def poke_pushers(self, stream_name, token, rows):
if stream_name == "pushers":
for row in rows:
if row.deleted:
yield self.stop_pusher(row.user_id, row.app_id, row.pushkey)
else:
yield self.start_pusher(row.user_id, row.app_id, row.pushkey)
elif stream_name == "events":
yield self.pusher_pool.on_new_notifications(
token, token,
)
elif stream_name == "receipts":
yield self.pusher_pool.on_new_receipts(
token, token, set(row.room_id for row in rows)
)
def stop_pusher(self, user_id, app_id, pushkey):
key = "%s:%s" % (app_id, pushkey)
pushers_for_user = self.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(self, user_id, app_id, pushkey):
key = "%s:%s" % (app_id, pushkey)
logger.info("Starting pusher %r / %r", user_id, key)
return self.pusher_pool._refresh_pusher(app_id, pushkey, user_id)
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"
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setup_logging(config, use_worker_options=True)
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,
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version_string="Synapse/" + get_version_string(synapse),
database_engine=database_engine,
)
ps.setup()
ps.start_listening(config.worker_listeners)
def run():
# make sure that we run the reactor with the sentinel log context,
# otherwise other PreserveLoggingContext instances will get confused
# and complain when they see the logcontext arbitrarily swapping
# between the sentinel and `run` logcontexts.
with PreserveLoggingContext():
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.get_pusherpool().start()
ps.get_datastore().start_profiling()
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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:])