diff --git a/synapse/app/federation_sender.py b/synapse/app/federation_sender.py
new file mode 100644
index 0000000000..80ea4c8062
--- /dev/null
+++ b/synapse/app/federation_sender.py
@@ -0,0 +1,331 @@
+#!/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.crypto import context_factory
+from synapse.http.site import SynapseSite
+from synapse.federation import send_queue
+from synapse.federation.units import Edu
+from synapse.metrics.resource import MetricsResource, METRICS_PREFIX
+from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
+from synapse.replication.slave.storage.events import SlavedEventStore
+from synapse.replication.slave.storage.receipts import SlavedReceiptsStore
+from synapse.replication.slave.storage.registration import SlavedRegistrationStore
+from synapse.replication.slave.storage.transactions import TransactionStore
+from synapse.storage.engines import create_engine
+from synapse.storage.presence import UserPresenceState
+from synapse.util.async import sleep
+from synapse.util.httpresourcetree import create_resource_tree
+from synapse.util.logcontext import LoggingContext
+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
+import ujson as json
+
+logger = logging.getLogger("synapse.app.appservice")
+
+
+class FederationSenderSlaveStore(
+ SlavedDeviceInboxStore, TransactionStore, SlavedReceiptsStore, SlavedEventStore,
+ SlavedRegistrationStore,
+):
+ pass
+
+
+class FederationSenderServer(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 = FederationSenderSlaveStore(self.get_db_conn(), self)
+ logger.info("Finished setting up.")
+
+ 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 federation_sender 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
+ send_handler = FederationSenderHandler(self)
+
+ send_handler.on_start()
+
+ while True:
+ try:
+ args = store.stream_positions()
+ args.update((yield send_handler.stream_positions()))
+ args["timeout"] = 30000
+ result = yield http_client.get_json(replication_url, args=args)
+ yield store.process_replication(result)
+ yield send_handler.process_replication(result)
+ except:
+ logger.exception("Error replicating from %r", replication_url)
+ yield sleep(30)
+
+
+def start(config_options):
+ try:
+ config = HomeServerConfig.load_config(
+ "Synapse federation sender", config_options
+ )
+ except ConfigError as e:
+ sys.stderr.write("\n" + e.message + "\n")
+ sys.exit(1)
+
+ assert config.worker_app == "synapse.app.federation_sender"
+
+ setup_logging(config.worker_log_config, config.worker_log_file)
+
+ events.USE_FROZEN_DICTS = config.use_frozen_dicts
+
+ database_engine = create_engine(config.database_config)
+
+ if config.send_federation:
+ sys.stderr.write(
+ "\nThe send_federation must be disabled in the main synapse process"
+ "\nbefore they can be run in a separate worker."
+ "\nPlease add ``send_federation: false`` to the main config"
+ "\n"
+ )
+ sys.exit(1)
+
+ # Force the pushers to start since they will be disabled in the main config
+ config.send_federation = True
+
+ tls_server_context_factory = context_factory.ServerContextFactory(config)
+
+ ps = FederationSenderServer(
+ config.server_name,
+ db_config=config.database_config,
+ tls_server_context_factory=tls_server_context_factory,
+ 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_datastore().start_profiling()
+ ps.get_state_handler().start_caching()
+
+ reactor.callWhenRunning(start)
+
+ if config.worker_daemonize:
+ daemon = Daemonize(
+ app="synapse-federation-sender",
+ pid=config.worker_pid_file,
+ action=run,
+ auto_close_fds=False,
+ verbose=True,
+ logger=logger,
+ )
+ daemon.start()
+ else:
+ run()
+
+
+class FederationSenderHandler(object):
+ """Processes the replication stream and forwards the appropriate entries
+ to the federation sender.
+ """
+ def __init__(self, hs):
+ self.store = hs.get_datastore()
+ self.federation_sender = hs.get_federation_sender()
+
+ self._room_serials = {}
+ self._room_typing = {}
+
+ def on_start(self):
+ # There may be some events that are persisted but haven't been sent,
+ # so send them now.
+ self.federation_sender.notify_new_events(
+ self.store.get_room_max_stream_ordering()
+ )
+
+ @defer.inlineCallbacks
+ def stream_positions(self):
+ stream_id = yield self.store.get_federation_out_pos("federation")
+ defer.returnValue({
+ "federation": stream_id,
+
+ # Ack stuff we've "processed", this should only be called from
+ # one process.
+ "federation_ack": stream_id,
+ })
+
+ @defer.inlineCallbacks
+ def process_replication(self, result):
+ # The federation stream contains things that we want to send out, e.g.
+ # presence, typing, etc.
+ fed_stream = result.get("federation")
+ if fed_stream:
+ latest_id = int(fed_stream["position"])
+
+ # The federation stream containis a bunch of different types of
+ # rows that need to be handled differently. We parse the rows, put
+ # them into the appropriate collection and then send them off.
+ presence_to_send = {}
+ keyed_edus = {}
+ edus = {}
+ failures = {}
+ device_destinations = set()
+
+ # Parse the rows in the stream
+ for row in fed_stream["rows"]:
+ position, typ, content_js = row
+ content = json.loads(content_js)
+
+ if typ == send_queue.PRESENCE_TYPE:
+ destination = content["destination"]
+ state = UserPresenceState.from_dict(content["state"])
+
+ presence_to_send.setdefault(destination, []).append(state)
+ elif typ == send_queue.KEYED_EDU_TYPE:
+ key = content["key"]
+ edu = Edu(**content["edu"])
+
+ keyed_edus.setdefault(
+ edu.destination, {}
+ )[(edu.destination, tuple(key))] = edu
+ elif typ == send_queue.EDU_TYPE:
+ edu = Edu(**content)
+
+ edus.setdefault(edu.destination, []).append(edu)
+ elif typ == send_queue.FAILURE_TYPE:
+ destination = content["destination"]
+ failure = content["failure"]
+
+ failures.setdefault(destination, []).append(failure)
+ elif typ == send_queue.DEVICE_MESSAGE_TYPE:
+ device_destinations.add(content["destination"])
+ else:
+ raise Exception("Unrecognised federation type: %r", typ)
+
+ # We've finished collecting, send everything off
+ for destination, states in presence_to_send.items():
+ self.federation_sender.send_presence(destination, states)
+
+ for destination, edu_map in keyed_edus.items():
+ for key, edu in edu_map.items():
+ self.federation_sender.send_edu(
+ edu.destination, edu.edu_type, edu.content, key=key,
+ )
+
+ for destination, edu_list in edus.items():
+ for edu in edu_list:
+ self.federation_sender.send_edu(
+ edu.destination, edu.edu_type, edu.content, key=None,
+ )
+
+ for destination, failure_list in failures.items():
+ for failure in failure_list:
+ self.federation_sender.send_failure(destination, failure)
+
+ for destination in device_destinations:
+ self.federation_sender.send_device_messages(destination)
+
+ # Record where we are in the stream.
+ yield self.store.update_federation_out_pos(
+ "federation", latest_id
+ )
+
+ # We also need to poke the federation sender when new events happen
+ event_stream = result.get("events")
+ if event_stream:
+ latest_pos = event_stream["position"]
+ self.federation_sender.notify_new_events(latest_pos)
+
+
+if __name__ == '__main__':
+ with LoggingContext("main"):
+ start(sys.argv[1:])
|
