Hook up the send queue and create a federation sender worker

This commit is contained in:
Erik Johnston 2016-11-16 17:34:44 +00:00
parent 1587b5a033
commit ed787cf09e
8 changed files with 418 additions and 21 deletions

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@ -0,0 +1,302 @@
#!/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 = self._get_send_handler()
def replicate(results):
stream = results.get("events")
if stream:
# max_stream_id = stream["position"]
# TODO
pass
while True:
try:
args = store.stream_positions()
args.update(send_handler.stream_positions())
args["timeout"] = 30000
result = yield http_client.get_json(replication_url, args=args)
yield store.process_replication(result)
send_handler.process_replication(result)
replicate(result)
except:
logger.exception("Error replicating from %r", replication_url)
yield sleep(30)
def _get_send_handler(self):
try:
return self._send_handler
except AttributeError:
self._send_handler = FederationSenderHandler(self)
return self._send_handler
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):
def __init__(self, hs):
self.federation_sender = hs.get_federation_sender()
self._latest_room_serial = -1
self._room_serials = {}
self._room_typing = {}
def stream_positions(self):
# We must update this token from the response of the previous
# sync. In particular, the stream id may "reset" back to zero/a low
# value which we *must* use for the next replication request.
return {"federation": self._latest_room_serial}
def process_replication(self, result):
stream = result.get("federation")
if stream:
self._latest_room_serial = int(stream["position"])
presence_to_send = {}
keyed_edus = {}
edus = {}
failures = {}
for row in 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, {})[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)
else:
raise Exception("Unrecognised federation type: %r", typ)
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)
if __name__ == '__main__':
with LoggingContext("main"):
start(sys.argv[1:])

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@ -30,6 +30,11 @@ class ServerConfig(Config):
self.use_frozen_dicts = config.get("use_frozen_dicts", False)
self.public_baseurl = config.get("public_baseurl")
# Whether to send federation traffic out in this process. This only
# applies to some federation traffic, and so shouldn't be used to
# "disable" federation
self.send_federation = config.get("send_federation", True)
if self.public_baseurl is not None:
if self.public_baseurl[-1] != '/':
self.public_baseurl += '/'

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@ -13,11 +13,20 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from .units import Edu
from blist import sorteddict
import ujson
PRESENCE_TYPE = "p"
KEYED_EDU_TYPE = "k"
EDU_TYPE = "e"
FAILURE_TYPE = "f"
class FederationRemoteSendQueue(object):
def __init__(self, hs):
self.clock = hs.get_clock()
@ -68,12 +77,12 @@ class FederationRemoteSendQueue(object):
for key in keys[:i]:
del self.presence_changed[key]
user_ids = set()
for _, states in self.presence_changed.values():
user_ids.update(s.user_id for s in user_ids)
user_ids = set(
user_id for uids in self.presence_changed.values() for _, user_id in uids
)
to_del = [user_id for user_id in self.presence_map if user_id not in user_ids]
for user_id in self.to_del:
for user_id in to_del:
del self.presence_map[user_id]
# Delete things out of keyed edus
@ -102,47 +111,77 @@ class FederationRemoteSendQueue(object):
for key in keys[:i]:
del self.failures[key]
def send_edu(self, edu, key=None):
def send_edu(self, destination, edu_type, content, key=None):
pos = self._next_pos()
edu = Edu(
origin=self.server_name,
destination=destination,
edu_type=edu_type,
content=content,
)
if key:
self.keyed_edu[(edu.destination, key)] = edu
self.keyed_edu_changed[pos] = (edu.destination, key)
self.keyed_edu[(destination, key)] = edu
self.keyed_edu_changed[pos] = (destination, key)
else:
self.edus[pos] = edu
def send_presence(self, destination, states):
pos = self._next_pos()
self.presence_map.presence_map.update({
self.presence_map.update({
state.user_id: state
for state in states
})
self.presence_changed[pos] = (destination, [
state.user_id for state in states
])
self.presence_changed[pos] = [
(destination, state.user_id) for state in states
]
def send_failure(self, failure, destination):
pos = self._next_pos()
self.failures[pos] = (destination, failure)
self.failures[pos] = (destination, str(failure))
def send_pdu(self, pdu, destinations):
# This gets sent down a separate path
pass
def notify_new_device_message(self, destination):
# TODO
pass
def get_replication_rows(self, token):
def get_current_token(self):
return self.pos - 1
def get_replication_rows(self, token, limit):
# TODO: Handle limit.
# To handle restarts where we wrap around
if token > self.pos:
token = -1
rows = []
# There should be only one reader, so lets delete everything its
# acknowledged its seen.
self._clear_queue_before_pos(token)
# Fetch changed presence
keys = self.presence_changed.keys()
i = keys.bisect_right(token)
dest_user_ids = set((k, self.presence_changed[k]) for k in keys[i:])
dest_user_ids = set(
(pos, dest_user_id)
for pos in keys[i:]
for dest_user_id in self.presence_changed[pos]
)
for (key, (dest, user_ids)) in dest_user_ids:
for user_id in user_ids:
rows.append((key, dest, "p", self.presence_map[user_id]))
for (key, (dest, user_id)) in dest_user_ids:
rows.append((key, PRESENCE_TYPE, ujson.dumps({
"destination": dest,
"state": self.presence_map[user_id].as_dict(),
})))
# Fetch changes keyed edus
keys = self.keyed_edu_changed.keys()
@ -150,7 +189,12 @@ class FederationRemoteSendQueue(object):
keyed_edus = set((k, self.keyed_edu_changed[k]) for k in keys[i:])
for (pos, edu_key) in keyed_edus:
rows.append((pos, edu_key, "k", self.keyed_edu[edu_key]))
rows.append(
(pos, KEYED_EDU_TYPE, ujson.dumps({
"key": edu_key,
"edu": self.keyed_edu[edu_key].get_dict(),
}))
)
# Fetch changed edus
keys = self.edus.keys()
@ -158,7 +202,7 @@ class FederationRemoteSendQueue(object):
edus = set((k, self.edus[k]) for k in keys[i:])
for (pos, edu) in edus:
rows.append((pos, edu.destination, "e", edu))
rows.append((pos, EDU_TYPE, ujson.dumps(edu.get_dict())))
# Fetch changed failures
keys = self.failures.keys()
@ -166,7 +210,10 @@ class FederationRemoteSendQueue(object):
failures = set((k, self.failures[k]) for k in keys[i:])
for (pos, (destination, failure)) in failures:
rows.append((pos, destination, "f", failure))
rows.append((pos, None, FAILURE_TYPE, ujson.dumps({
"destination": destination,
"failure": failure,
})))
# Sort rows based on pos
rows.sort()

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@ -44,6 +44,7 @@ STREAM_NAMES = (
("caches",),
("to_device",),
("public_rooms",),
("federation",),
)
@ -116,8 +117,10 @@ class ReplicationResource(Resource):
self.sources = hs.get_event_sources()
self.presence_handler = hs.get_presence_handler()
self.typing_handler = hs.get_typing_handler()
self.federation_sender = hs.get_federation_sender()
self.notifier = hs.notifier
self.clock = hs.get_clock()
self.config = hs.get_config()
self.putChild("remove_pushers", PusherResource(hs))
self.putChild("syncing_users", PresenceResource(hs))
@ -134,6 +137,7 @@ class ReplicationResource(Resource):
pushers_token = self.store.get_pushers_stream_token()
caches_token = self.store.get_cache_stream_token()
public_rooms_token = self.store.get_current_public_room_stream_id()
federation_token = self.federation_sender.get_current_token()
defer.returnValue(_ReplicationToken(
room_stream_token,
@ -148,6 +152,7 @@ class ReplicationResource(Resource):
caches_token,
int(stream_token.to_device_key),
int(public_rooms_token),
int(federation_token),
))
@request_handler()
@ -202,6 +207,7 @@ class ReplicationResource(Resource):
yield self.caches(writer, current_token, limit, request_streams)
yield self.to_device(writer, current_token, limit, request_streams)
yield self.public_rooms(writer, current_token, limit, request_streams)
self.federation(writer, current_token, limit, request_streams)
self.streams(writer, current_token, request_streams)
logger.debug("Replicated %d rows", writer.total)
@ -465,6 +471,23 @@ class ReplicationResource(Resource):
"position", "room_id", "visibility"
), position=upto_token)
def federation(self, writer, current_token, limit, request_streams):
if self.config.send_federation:
return
current_position = current_token.federation
federation = request_streams.get("federation")
if federation is not None and federation != current_position:
federation_rows = self.federation_sender.get_replication_rows(
federation, limit,
)
upto_token = _position_from_rows(federation_rows, current_position)
writer.write_header_and_rows("federation", federation_rows, (
"position", "type", "content",
), position=upto_token)
class _Writer(object):
"""Writes the streams as a JSON object as the response to the request"""
@ -497,6 +520,7 @@ class _Writer(object):
class _ReplicationToken(collections.namedtuple("_ReplicationToken", (
"events", "presence", "typing", "receipts", "account_data", "backfill",
"push_rules", "pushers", "state", "caches", "to_device", "public_rooms",
"federation",
))):
__slots__ = []

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@ -29,9 +29,14 @@ class SlavedDeviceInboxStore(BaseSlavedStore):
"DeviceInboxStreamChangeCache",
self._device_inbox_id_gen.get_current_token()
)
self._device_federation_outbox_stream_cache = StreamChangeCache(
"DeviceFederationOutboxStreamChangeCache",
self._device_inbox_id_gen.get_current_token()
)
get_to_device_stream_token = DataStore.get_to_device_stream_token.__func__
get_new_messages_for_device = DataStore.get_new_messages_for_device.__func__
get_new_device_msgs_for_remote = DataStore.get_new_device_msgs_for_remote.__func__
delete_messages_for_device = DataStore.delete_messages_for_device.__func__
def stream_positions(self):

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@ -25,6 +25,9 @@ class TransactionStore(BaseSlavedStore):
].orig
_get_destination_retry_timings = DataStore._get_destination_retry_timings.__func__
def prep_send_transaction(self, transaction_id, destination, origin_server_ts):
return []
# For now, don't record the destination rety timings
def set_destination_retry_timings(*args, **kwargs):
return defer.succeed(None)

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@ -32,6 +32,7 @@ from synapse.appservice.scheduler import ApplicationServiceScheduler
from synapse.crypto.keyring import Keyring
from synapse.events.builder import EventBuilderFactory
from synapse.federation import initialize_http_replication
from synapse.federation.send_queue import FederationRemoteSendQueue
from synapse.federation.transport.client import TransportLayerClient
from synapse.federation.transaction_queue import TransactionQueue
from synapse.handlers import Handlers
@ -273,7 +274,10 @@ class HomeServer(object):
return TransportLayerClient(self)
def build_federation_sender(self):
if self.config.send_federation:
return TransactionQueue(self)
else:
return FederationRemoteSendQueue(self)
def remove_pusher(self, app_id, push_key, user_id):
return self.get_pusherpool().remove_pusher(app_id, push_key, user_id)

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@ -37,6 +37,13 @@ class UserPresenceState(namedtuple("UserPresenceState",
status_msg (str): User set status message.
"""
def as_dict(self):
return dict(self._asdict())
@staticmethod
def from_dict(d):
return UserPresenceState(**d)
def copy_and_replace(self, **kwargs):
return self._replace(**kwargs)