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Merge pull request #2097 from matrix-org/erikj/repl_tcp_client

Browse source 
Move to using TCP replication
This commit is contained in:
Erik Johnston 2017-04-05 09:36:21 +01:00 committed by GitHub
commit a5c401bd12
21 changed files with 601 additions and 581 deletions
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46
synapse/app/appservice.py
View file

@ -26,17 +26,17 @@ from synapse.replication.slave.storage.directory import DirectoryStore
from synapse.replication.slave.storage.events import SlavedEventStore
from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
from synapse.replication.slave.storage.registration import SlavedRegistrationStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.storage.engines import create_engine
from synapse.util.async import sleep
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext, 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.internet import reactor
from twisted.web.resource import Resource
from daemonize import Daemonize
@ -120,30 +120,25 @@ class AppserviceServer(HomeServer):
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
appservice_handler = self.get_application_service_handler()
self.get_tcp_replication().start_replication(self)
@defer.inlineCallbacks
def replicate(results):
stream = results.get("events")
if stream:
max_stream_id = stream["position"]
yield appservice_handler.notify_interested_services(max_stream_id)
def build_tcp_replication(self):
return ASReplicationHandler(self)
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)
replicate(result)
except:
logger.exception("Error replicating from %r", replication_url)
yield sleep(30)
class ASReplicationHandler(ReplicationClientHandler):
def __init__(self, hs):
super(ASReplicationHandler, self).__init__(hs.get_datastore())
self.appservice_handler = hs.get_application_service_handler()
def on_rdata(self, stream_name, token, rows):
super(ASReplicationHandler, self).on_rdata(stream_name, token, rows)
if stream_name == "events":
max_stream_id = self.store.get_room_max_stream_ordering()
preserve_fn(
self.appservice_handler.notify_interested_services
)(max_stream_id)
def start(config_options):
@ -199,7 +194,6 @@ def start(config_options):
reactor.run()
def start():
ps.replicate()
ps.get_datastore().start_profiling()
ps.get_state_handler().start_caching()

22
synapse/app/client_reader.py
View file

@ -30,11 +30,11 @@ from synapse.replication.slave.storage.room import RoomStore
from synapse.replication.slave.storage.directory import DirectoryStore
from synapse.replication.slave.storage.registration import SlavedRegistrationStore
from synapse.replication.slave.storage.transactions import TransactionStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.rest.client.v1.room import PublicRoomListRestServlet
from synapse.server import HomeServer
from synapse.storage.client_ips import ClientIpStore
from synapse.storage.engines import create_engine
from synapse.util.async import sleep
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.manhole import manhole
@ -45,7 +45,7 @@ from synapse.crypto import context_factory
from synapse import events
from twisted.internet import reactor, defer
from twisted.internet import reactor
from twisted.web.resource import Resource
from daemonize import Daemonize
@ -145,21 +145,10 @@ class ClientReaderServer(HomeServer):
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
self.get_tcp_replication().start_replication(self)
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)
except:
logger.exception("Error replicating from %r", replication_url)
yield sleep(5)
def build_tcp_replication(self):
return ReplicationClientHandler(self.get_datastore())
def start(config_options):
@ -209,7 +198,6 @@ def start(config_options):
def start():
ss.get_state_handler().start_caching()
ss.get_datastore().start_profiling()
ss.replicate()
reactor.callWhenRunning(start)

22
synapse/app/federation_reader.py
View file

@ -27,9 +27,9 @@ from synapse.replication.slave.storage.keys import SlavedKeyStore
from synapse.replication.slave.storage.room import RoomStore
from synapse.replication.slave.storage.transactions import TransactionStore
from synapse.replication.slave.storage.directory import DirectoryStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.server import HomeServer
from synapse.storage.engines import create_engine
from synapse.util.async import sleep
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.manhole import manhole
@ -42,7 +42,7 @@ from synapse.crypto import context_factory
from synapse import events
from twisted.internet import reactor, defer
from twisted.internet import reactor
from twisted.web.resource import Resource
from daemonize import Daemonize
@ -134,21 +134,10 @@ class FederationReaderServer(HomeServer):
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
self.get_tcp_replication().start_replication(self)
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)
except:
logger.exception("Error replicating from %r", replication_url)
yield sleep(5)
def build_tcp_replication(self):
return ReplicationClientHandler(self.get_datastore())
def start(config_options):
@ -198,7 +187,6 @@ def start(config_options):
def start():
ss.get_state_handler().start_caching()
ss.get_datastore().start_profiling()
ss.replicate()
reactor.callWhenRunning(start)

124
synapse/app/federation_sender.py
View file

@ -31,11 +31,12 @@ 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.replication.slave.storage.devices import SlavedDeviceStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.storage.engines import create_engine
from synapse.storage.presence import UserPresenceState
from synapse.util.async import sleep
from synapse.util.async import Linearizer
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext, preserve_fn
from synapse.util.manhole import manhole
from synapse.util.rlimit import change_resource_limit
from synapse.util.versionstring import get_version_string
@ -59,7 +60,28 @@ class FederationSenderSlaveStore(
SlavedDeviceInboxStore, TransactionStore, SlavedReceiptsStore, SlavedEventStore,
SlavedRegistrationStore, SlavedDeviceStore,
):
pass
def __init__(self, db_conn, hs):
super(FederationSenderSlaveStore, self).__init__(db_conn, hs)
# We pull out the current federation stream position now so that we
# always have a known value for the federation position in memory so
# that we don't have to bounce via a deferred once when we start the
# replication streams.
self.federation_out_pos_startup = self._get_federation_out_pos(db_conn)
def _get_federation_out_pos(self, db_conn):
sql = (
"SELECT stream_id FROM federation_stream_position"
" WHERE type = ?"
)
sql = self.database_engine.convert_param_style(sql)
txn = db_conn.cursor()
txn.execute(sql, ("federation",))
rows = txn.fetchall()
txn.close()
return rows[0][0] if rows else -1
class FederationSenderServer(HomeServer):
@ -127,26 +149,27 @@ class FederationSenderServer(HomeServer):
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)
self.get_tcp_replication().start_replication(self)
send_handler.on_start()
def build_tcp_replication(self):
return FederationSenderReplicationHandler(self)
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)
class FederationSenderReplicationHandler(ReplicationClientHandler):
def __init__(self, hs):
super(FederationSenderReplicationHandler, self).__init__(hs.get_datastore())
self.send_handler = FederationSenderHandler(hs, self)
def on_rdata(self, stream_name, token, rows):
super(FederationSenderReplicationHandler, self).on_rdata(
stream_name, token, rows
)
self.send_handler.process_replication_rows(stream_name, token, rows)
def get_streams_to_replicate(self):
args = super(FederationSenderReplicationHandler, self).get_streams_to_replicate()
args.update(self.send_handler.stream_positions())
return args
def start(config_options):
@ -205,7 +228,6 @@ def start(config_options):
reactor.run()
def start():
ps.replicate()
ps.get_datastore().start_profiling()
ps.get_state_handler().start_caching()
@ -229,9 +251,15 @@ class FederationSenderHandler(object):
"""Processes the replication stream and forwards the appropriate entries
to the federation sender.
"""
def __init__(self, hs):
def __init__(self, hs, replication_client):
self.store = hs.get_datastore()
self.federation_sender = hs.get_federation_sender()
self.replication_client = replication_client
self.federation_position = self.store.federation_out_pos_startup
self._fed_position_linearizer = Linearizer(name="_fed_position_linearizer")
self._last_ack = self.federation_position
self._room_serials = {}
self._room_typing = {}
@ -243,25 +271,13 @@ class FederationSenderHandler(object):
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,
return {"federation": self.federation_position}
# Ack stuff we've "processed", this should only be called from
# one process.
"federation_ack": stream_id,
})
@defer.inlineCallbacks
def process_replication(self, result):
def process_replication_rows(self, stream_name, token, rows):
# 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"])
if stream_name == "federation":
# 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.
@ -272,8 +288,9 @@ class FederationSenderHandler(object):
device_destinations = set()
# Parse the rows in the stream
for row in fed_stream["rows"]:
position, typ, content_js = row
for row in rows:
typ = row.type
content_js = row.data
content = json.loads(content_js)
if typ == send_queue.PRESENCE_TYPE:
@ -325,16 +342,27 @@ class FederationSenderHandler(object):
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
)
preserve_fn(self.update_token)(token)
# 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)
elif stream_name == "events":
self.federation_sender.notify_new_events(token)
@defer.inlineCallbacks
def update_token(self, token):
self.federation_position = token
# We linearize here to ensure we don't have races updating the token
with (yield self._fed_position_linearizer.queue(None)):
if self._last_ack < self.federation_position:
yield self.store.update_federation_out_pos(
"federation", self.federation_position
)
# We ACK this token over replication so that the master can drop
# its in memory queues
self.replication_client.send_federation_ack(self.federation_position)
self._last_ack = self.federation_position
if __name__ == '__main__':

22
synapse/app/media_repository.py
View file

@ -25,13 +25,13 @@ from synapse.replication.slave.storage._base import BaseSlavedStore
from synapse.replication.slave.storage.appservice import SlavedApplicationServiceStore
from synapse.replication.slave.storage.registration import SlavedRegistrationStore
from synapse.replication.slave.storage.transactions import TransactionStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.rest.media.v0.content_repository import ContentRepoResource
from synapse.rest.media.v1.media_repository import MediaRepositoryResource
from synapse.server import HomeServer
from synapse.storage.client_ips import ClientIpStore
from synapse.storage.engines import create_engine
from synapse.storage.media_repository import MediaRepositoryStore
from synapse.util.async import sleep
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext
from synapse.util.manhole import manhole
@ -45,7 +45,7 @@ from synapse.crypto import context_factory
from synapse import events
from twisted.internet import reactor, defer
from twisted.internet import reactor
from twisted.web.resource import Resource
from daemonize import Daemonize
@ -142,21 +142,10 @@ class MediaRepositoryServer(HomeServer):
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
self.get_tcp_replication().start_replication(self)
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)
except:
logger.exception("Error replicating from %r", replication_url)
yield sleep(5)
def build_tcp_replication(self):
return ReplicationClientHandler(self.get_datastore())
def start(config_options):
@ -206,7 +195,6 @@ def start(config_options):
def start():
ss.get_state_handler().start_caching()
ss.get_datastore().start_profiling()
ss.replicate()
reactor.callWhenRunning(start)

118
synapse/app/pusher.py
View file

@ -27,9 +27,9 @@ 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.replication.tcp.client import ReplicationClientHandler
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, \
PreserveLoggingContext
@ -89,7 +89,6 @@ class PusherSlaveStore(
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.
@ -109,16 +108,7 @@ class PusherServer(HomeServer):
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,
}]
})
self.get_tcp_replication().send_remove_pusher(app_id, push_key, user_id)
def _listen_http(self, listener_config):
port = listener_config["port"]
@ -166,73 +156,52 @@ class PusherServer(HomeServer):
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 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", []))
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,
)
deleted_pushers_rows = set(
map(tuple, results.get("deleted_pushers", {}).get("rows", []))
elif stream_name == "receipts":
yield self.pusher_pool.on_new_receipts(
token, token, set(row.room_id for row in 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
)
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()
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_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):
@ -288,7 +257,6 @@ def start(config_options):
reactor.run()
def start():
ps.replicate()
ps.get_pusherpool().start()
ps.get_datastore().start_profiling()
ps.get_state_handler().start_caching()

317
synapse/app/synchrotron.py
View file

@ -16,7 +16,7 @@
import synapse
from synapse.api.constants import EventTypes, PresenceState
from synapse.api.constants import EventTypes
from synapse.config._base import ConfigError
from synapse.config.homeserver import HomeServerConfig
from synapse.config.logger import setup_logging
@ -40,15 +40,14 @@ from synapse.replication.slave.storage.presence import SlavedPresenceStore
from synapse.replication.slave.storage.deviceinbox import SlavedDeviceInboxStore
from synapse.replication.slave.storage.devices import SlavedDeviceStore
from synapse.replication.slave.storage.room import RoomStore
from synapse.replication.tcp.client import ReplicationClientHandler
from synapse.server import HomeServer
from synapse.storage.client_ips import ClientIpStore
from synapse.storage.engines import create_engine
from synapse.storage.presence import PresenceStore, UserPresenceState
from synapse.storage.roommember import RoomMemberStore
from synapse.util.async import sleep
from synapse.util.httpresourcetree import create_resource_tree
from synapse.util.logcontext import LoggingContext, preserve_fn, \
PreserveLoggingContext
from synapse.util.logcontext import LoggingContext, PreserveLoggingContext, preserve_fn
from synapse.util.manhole import manhole
from synapse.util.rlimit import change_resource_limit
from synapse.util.stringutils import random_string
@ -107,11 +106,11 @@ UPDATE_SYNCING_USERS_MS = 10 * 1000
class SynchrotronPresence(object):
def __init__(self, hs):
self.hs = hs
self.is_mine_id = hs.is_mine_id
self.http_client = hs.get_simple_http_client()
self.store = hs.get_datastore()
self.user_to_num_current_syncs = {}
self.syncing_users_url = hs.config.worker_replication_url + "/syncing_users"
self.clock = hs.get_clock()
self.notifier = hs.get_notifier()
@ -124,14 +123,8 @@ class SynchrotronPresence(object):
self.process_id = random_string(16)
logger.info("Presence process_id is %r", self.process_id)
self._sending_sync = False
self._need_to_send_sync = False
self.clock.looping_call(
self._send_syncing_users_regularly,
UPDATE_SYNCING_USERS_MS,
)
reactor.addSystemEventTrigger("before", "shutdown", self._on_shutdown)
def send_user_sync(self, user_id, is_syncing, last_sync_ms):
self.hs.get_tcp_replication().send_user_sync(user_id, is_syncing, last_sync_ms)
def set_state(self, user, state, ignore_status_msg=False):
# TODO Hows this supposed to work?
@ -142,15 +135,15 @@ class SynchrotronPresence(object):
_get_interested_parties = PresenceHandler._get_interested_parties.__func__
current_state_for_users = PresenceHandler.current_state_for_users.__func__
@defer.inlineCallbacks
def user_syncing(self, user_id, affect_presence):
if affect_presence:
curr_sync = self.user_to_num_current_syncs.get(user_id, 0)
self.user_to_num_current_syncs[user_id] = curr_sync + 1
prev_states = yield self.current_state_for_users([user_id])
if prev_states[user_id].state == PresenceState.OFFLINE:
# TODO: Don't block the sync request on this HTTP hit.
yield self._send_syncing_users_now()
# If we went from no in flight sync to some, notify replication
if self.user_to_num_current_syncs[user_id] == 1:
now = self.clock.time_msec()
self.send_user_sync(user_id, True, now)
def _end():
# We check that the user_id is in user_to_num_current_syncs because
@ -159,6 +152,11 @@ class SynchrotronPresence(object):
if affect_presence and user_id in self.user_to_num_current_syncs:
self.user_to_num_current_syncs[user_id] -= 1
# If we went from one in flight sync to non, notify replication
if self.user_to_num_current_syncs[user_id] == 0:
now = self.clock.time_msec()
self.send_user_sync(user_id, False, now)
@contextlib.contextmanager
def _user_syncing():
try:
@ -166,49 +164,7 @@ class SynchrotronPresence(object):
finally:
_end()
defer.returnValue(_user_syncing())
@defer.inlineCallbacks
def _on_shutdown(self):
# When the synchrotron is shutdown tell the master to clear the in
# progress syncs for this process
self.user_to_num_current_syncs.clear()
yield self._send_syncing_users_now()
def _send_syncing_users_regularly(self):
# Only send an update if we aren't in the middle of sending one.
if not self._sending_sync:
preserve_fn(self._send_syncing_users_now)()
@defer.inlineCallbacks
def _send_syncing_users_now(self):
if self._sending_sync:
# We don't want to race with sending another update.
# Instead we wait for that update to finish and send another
# update afterwards.
self._need_to_send_sync = True
return
# Flag that we are sending an update.
self._sending_sync = True
yield self.http_client.post_json_get_json(self.syncing_users_url, {
"process_id": self.process_id,
"syncing_users": [
user_id for user_id, count in self.user_to_num_current_syncs.items()
if count > 0
],
})
# Unset the flag as we are no longer sending an update.
self._sending_sync = False
if self._need_to_send_sync:
# If something happened while we were sending the update then
# we might need to send another update.
# TODO: Check if the update that was sent matches the current state
# as we only need to send an update if they are different.
self._need_to_send_sync = False
yield self._send_syncing_users_now()
return defer.succeed(_user_syncing())
@defer.inlineCallbacks
def notify_from_replication(self, states, stream_id):
@ -223,26 +179,24 @@ class SynchrotronPresence(object):
)
@defer.inlineCallbacks
def process_replication(self, result):
stream = result.get("presence", {"rows": []})
states = []
for row in stream["rows"]:
(
position, user_id, state, last_active_ts,
last_federation_update_ts, last_user_sync_ts, status_msg,
currently_active
) = row
state = UserPresenceState(
user_id, state, last_active_ts,
last_federation_update_ts, last_user_sync_ts, status_msg,
currently_active
)
self.user_to_current_state[user_id] = state
states.append(state)
def process_replication_rows(self, token, rows):
states = [UserPresenceState(
row.user_id, row.state, row.last_active_ts,
row.last_federation_update_ts, row.last_user_sync_ts, row.status_msg,
row.currently_active
) for row in rows]
if states and "position" in stream:
stream_id = int(stream["position"])
yield self.notify_from_replication(states, stream_id)
for state in states:
self.user_to_current_state[row.user_id] = state
stream_id = token
yield self.notify_from_replication(states, stream_id)
def get_currently_syncing_users(self):
return [
user_id for user_id, count in self.user_to_num_current_syncs.iteritems()
if count > 0
]
class SynchrotronTyping(object):
@ -257,16 +211,13 @@ class SynchrotronTyping(object):
# value which we *must* use for the next replication request.
return {"typing": self._latest_room_serial}
def process_replication(self, result):
stream = result.get("typing")
if stream:
self._latest_room_serial = int(stream["position"])
def process_replication_rows(self, token, rows):
self._latest_room_serial = token
for row in stream["rows"]:
position, room_id, typing_json = row
typing = json.loads(typing_json)
self._room_serials[room_id] = position
self._room_typing[room_id] = typing
for row in rows:
typing = json.loads(row.user_ids)
self._room_serials[row.room_id] = token
self._room_typing[row.room_id] = typing
class SynchrotronApplicationService(object):
@ -351,118 +302,10 @@ class SynchrotronServer(HomeServer):
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
notifier = self.get_notifier()
presence_handler = self.get_presence_handler()
typing_handler = self.get_typing_handler()
self.get_tcp_replication().start_replication(self)
def notify_from_stream(
result, stream_name, stream_key, room=None, user=None
):
stream = result.get(stream_name)
if stream:
position_index = stream["field_names"].index("position")
if room:
room_index = stream["field_names"].index(room)
if user:
user_index = stream["field_names"].index(user)
users = ()
rooms = ()
for row in stream["rows"]:
position = row[position_index]
if user:
users = (row[user_index],)
if room:
rooms = (row[room_index],)
notifier.on_new_event(
stream_key, position, users=users, rooms=rooms
)
@defer.inlineCallbacks
def notify_device_list_update(result):
stream = result.get("device_lists")
if not stream:
return
position_index = stream["field_names"].index("position")
user_index = stream["field_names"].index("user_id")
for row in stream["rows"]:
position = row[position_index]
user_id = row[user_index]
room_ids = yield store.get_rooms_for_user(user_id)
notifier.on_new_event(
"device_list_key", position, rooms=room_ids,
)
@defer.inlineCallbacks
def notify(result):
stream = result.get("events")
if stream:
max_position = stream["position"]
event_map = yield store.get_events([row[1] for row in stream["rows"]])
for row in stream["rows"]:
position = row[0]
event_id = row[1]
event = event_map.get(event_id, None)
if not event:
continue
extra_users = ()
if event.type == EventTypes.Member:
extra_users = (event.state_key,)
notifier.on_new_room_event(
event, position, max_position, extra_users
)
notify_from_stream(
result, "push_rules", "push_rules_key", user="user_id"
)
notify_from_stream(
result, "user_account_data", "account_data_key", user="user_id"
)
notify_from_stream(
result, "room_account_data", "account_data_key", user="user_id"
)
notify_from_stream(
result, "tag_account_data", "account_data_key", user="user_id"
)
notify_from_stream(
result, "receipts", "receipt_key", room="room_id"
)
notify_from_stream(
result, "typing", "typing_key", room="room_id"
)
notify_from_stream(
result, "to_device", "to_device_key", user="user_id"
)
yield notify_device_list_update(result)
while True:
try:
args = store.stream_positions()
args.update(typing_handler.stream_positions())
args["timeout"] = 30000
result = yield http_client.get_json(replication_url, args=args)
yield store.process_replication(result)
typing_handler.process_replication(result)
yield presence_handler.process_replication(result)
yield notify(result)
except:
logger.exception("Error replicating from %r", replication_url)
yield sleep(5)
def build_tcp_replication(self):
return SyncReplicationHandler(self)
def build_presence_handler(self):
return SynchrotronPresence(self)
@ -471,6 +314,79 @@ class SynchrotronServer(HomeServer):
return SynchrotronTyping(self)
class SyncReplicationHandler(ReplicationClientHandler):
def __init__(self, hs):
super(SyncReplicationHandler, self).__init__(hs.get_datastore())
self.store = hs.get_datastore()
self.typing_handler = hs.get_typing_handler()
self.presence_handler = hs.get_presence_handler()
self.notifier = hs.get_notifier()
self.presence_handler.sync_callback = self.send_user_sync
def on_rdata(self, stream_name, token, rows):
super(SyncReplicationHandler, self).on_rdata(stream_name, token, rows)
preserve_fn(self.process_and_notify)(stream_name, token, rows)
def get_streams_to_replicate(self):
args = super(SyncReplicationHandler, self).get_streams_to_replicate()
args.update(self.typing_handler.stream_positions())
return args
def get_currently_syncing_users(self):
return self.presence_handler.get_currently_syncing_users()
@defer.inlineCallbacks
def process_and_notify(self, stream_name, token, rows):
if stream_name == "events":
# We shouldn't get multiple rows per token for events stream, so
# we don't need to optimise this for multiple rows.
for row in rows:
event = yield self.store.get_event(row.event_id)
extra_users = ()
if event.type == EventTypes.Member:
extra_users = (event.state_key,)
max_token = self.store.get_room_max_stream_ordering()
self.notifier.on_new_room_event(
event, token, max_token, extra_users
)
elif stream_name == "push_rules":
self.notifier.on_new_event(
"push_rules_key", token, users=[row.user_id for row in rows],
)
elif stream_name in ("account_data", "tag_account_data",):
self.notifier.on_new_event(
"account_data_key", token, users=[row.user_id for row in rows],
)
elif stream_name == "receipts":
self.notifier.on_new_event(
"receipt_key", token, rooms=[row.room_id for row in rows],
)
elif stream_name == "typing":
self.typing_handler.process_replication_rows(token, rows)
self.notifier.on_new_event(
"typing_key", token, rooms=[row.room_id for row in rows],
)
elif stream_name == "to_device":
entities = [row.entity for row in rows if row.entity.startswith("@")]
if entities:
self.notifier.on_new_event(
"to_device_key", token, users=entities,
)
elif stream_name == "device_lists":
all_room_ids = set()
for row in rows:
room_ids = yield self.store.get_rooms_for_user(row.user_id)
all_room_ids.update(room_ids)
self.notifier.on_new_event(
"device_list_key", token, rooms=all_room_ids,
)
elif stream_name == "presence":
yield self.presence_handler.process_replication_rows(token, rows)
def start(config_options):
try:
config = HomeServerConfig.load_config(
@ -514,7 +430,6 @@ def start(config_options):
def start():
ss.get_datastore().start_profiling()
ss.replicate()
ss.get_state_handler().start_caching()
reactor.callWhenRunning(start)

4
synapse/config/workers.py
View file

@ -28,7 +28,9 @@ class WorkerConfig(Config):
self.worker_pid_file = config.get("worker_pid_file")
self.worker_log_file = config.get("worker_log_file")
self.worker_log_config = config.get("worker_log_config")
self.worker_replication_url = config.get("worker_replication_url")
self.worker_replication_host = config.get("worker_replication_host", None)
self.worker_replication_port = config.get("worker_replication_port", None)
self.worker_name = config.get("worker_name", self.worker_app)
if self.worker_listeners:
for listener in self.worker_listeners:

31
synapse/replication/slave/storage/_base.py
View file

@ -15,7 +15,6 @@
from synapse.storage._base import SQLBaseStore
from synapse.storage.engines import PostgresEngine
from twisted.internet import defer
from ._slaved_id_tracker import SlavedIdTracker
@ -34,8 +33,7 @@ class BaseSlavedStore(SQLBaseStore):
else:
self._cache_id_gen = None
self.expire_cache_url = hs.config.worker_replication_url + "/expire_cache"
self.http_client = hs.get_simple_http_client()
self.hs = hs
def stream_positions(self):
pos = {}
@ -43,35 +41,20 @@ class BaseSlavedStore(SQLBaseStore):
pos["caches"] = self._cache_id_gen.get_current_token()
return pos
def process_replication(self, result):
stream = result.get("caches")
if stream:
for row in stream["rows"]:
(
position, cache_func, keys, invalidation_ts,
) = row
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "caches":
self._cache_id_gen.advance(token)
for row in rows:
try:
getattr(self, cache_func).invalidate(tuple(keys))
getattr(self, row.cache_func).invalidate(tuple(row.keys))
except AttributeError:
# We probably haven't pulled in the cache in this worker,
# which is fine.
pass
self._cache_id_gen.advance(int(stream["position"]))
return defer.succeed(None)
def _invalidate_cache_and_stream(self, txn, cache_func, keys):
txn.call_after(cache_func.invalidate, keys)
txn.call_after(self._send_invalidation_poke, cache_func, keys)
@defer.inlineCallbacks
def _send_invalidation_poke(self, cache_func, keys):
try:
yield self.http_client.post_json_get_json(self.expire_cache_url, {
"invalidate": [{
"name": cache_func.__name__,
"keys": list(keys),
}]
})
except:
logger.exception("Failed to poke on expire_cache")
self.hs.get_tcp_replication().send_invalidate_cache(cache_func, keys)

49
synapse/replication/slave/storage/account_data.py
View file

@ -69,38 +69,25 @@ class SlavedAccountDataStore(BaseSlavedStore):
result["tag_account_data"] = position
return result
def process_replication(self, result):
stream = result.get("user_account_data")
if stream:
self._account_data_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
position, user_id, data_type = row[:3]
self.get_global_account_data_by_type_for_user.invalidate(
(data_type, user_id,)
)
self.get_account_data_for_user.invalidate((user_id,))
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "tag_account_data":
self._account_data_id_gen.advance(token)
for row in rows:
self.get_tags_for_user.invalidate((row.user_id,))
self._account_data_stream_cache.entity_has_changed(
user_id, position
row.user_id, token
)
stream = result.get("room_account_data")
if stream:
self._account_data_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
position, user_id = row[:2]
self.get_account_data_for_user.invalidate((user_id,))
elif stream_name == "account_data":
self._account_data_id_gen.advance(token)
for row in rows:
if not row.room_id:
self.get_global_account_data_by_type_for_user.invalidate(
(row.data_type, row.user_id,)
)
self.get_account_data_for_user.invalidate((row.user_id,))
self._account_data_stream_cache.entity_has_changed(
user_id, position
row.user_id, token
)
stream = result.get("tag_account_data")
if stream:
self._account_data_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
position, user_id = row[:2]
self.get_tags_for_user.invalidate((user_id,))
self._account_data_stream_cache.entity_has_changed(
user_id, position
)
return super(SlavedAccountDataStore, self).process_replication(result)
return super(SlavedAccountDataStore, self).process_replication_rows(
stream_name, token, rows
)

23
synapse/replication/slave/storage/deviceinbox.py
View file

@ -53,21 +53,18 @@ class SlavedDeviceInboxStore(BaseSlavedStore):
result["to_device"] = self._device_inbox_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("to_device")
if stream:
self._device_inbox_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
stream_id = row[0]
entity = row[1]
if entity.startswith("@"):
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "to_device":
self._device_inbox_id_gen.advance(token)
for row in rows:
if row.entity.startswith("@"):
self._device_inbox_stream_cache.entity_has_changed(
entity, stream_id
row.entity, token
)
else:
self._device_federation_outbox_stream_cache.entity_has_changed(
entity, stream_id
row.entity, token
)
return super(SlavedDeviceInboxStore, self).process_replication(result)
return super(SlavedDeviceInboxStore, self).process_replication_rows(
stream_name, token, rows
)

24
synapse/replication/slave/storage/devices.py
View file

@ -51,22 +51,18 @@ class SlavedDeviceStore(BaseSlavedStore):
result["device_lists"] = self._device_list_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("device_lists")
if stream:
self._device_list_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
stream_id = row[0]
user_id = row[1]
destination = row[2]
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "device_lists":
self._device_list_id_gen.advance(token)
for row in rows:
self._device_list_stream_cache.entity_has_changed(
user_id, stream_id
row.user_id, token
)
if destination:
if row.destination:
self._device_list_federation_stream_cache.entity_has_changed(
destination, stream_id
row.destination, token
)
return super(SlavedDeviceStore, self).process_replication(result)
return super(SlavedDeviceStore, self).process_replication_rows(
stream_name, token, rows
)

57
synapse/replication/slave/storage/events.py
View file

@ -201,48 +201,25 @@ class SlavedEventStore(BaseSlavedStore):
result["backfill"] = -self._backfill_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("events")
if stream:
self._stream_id_gen.advance(int(stream["position"]))
if stream["rows"]:
logger.info("Got %d event rows", len(stream["rows"]))
for row in stream["rows"]:
self._process_replication_row(
row, backfilled=False,
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "events":
self._stream_id_gen.advance(token)
for row in rows:
self.invalidate_caches_for_event(
token, row.event_id, row.room_id, row.type, row.state_key,
row.redacts,
backfilled=False,
)
stream = result.get("backfill")
if stream:
self._backfill_id_gen.advance(-int(stream["position"]))
for row in stream["rows"]:
self._process_replication_row(
row, backfilled=True,
elif stream_name == "backfill":
self._backfill_id_gen.advance(-token)
for row in rows:
self.invalidate_caches_for_event(
-token, row.event_id, row.room_id, row.type, row.state_key,
row.redacts,
backfilled=True,
)
stream = result.get("forward_ex_outliers")
if stream:
self._stream_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
event_id = row[1]
self._invalidate_get_event_cache(event_id)
stream = result.get("backward_ex_outliers")
if stream:
self._backfill_id_gen.advance(-int(stream["position"]))
for row in stream["rows"]:
event_id = row[1]
self._invalidate_get_event_cache(event_id)
return super(SlavedEventStore, self).process_replication(result)
def _process_replication_row(self, row, backfilled):
stream_ordering = row[0] if not backfilled else -row[0]
self.invalidate_caches_for_event(
stream_ordering, row[1], row[2], row[3], row[4], row[5],
backfilled=backfilled,
return super(SlavedEventStore, self).process_replication_rows(
stream_name, token, rows
)
def invalidate_caches_for_event(self, stream_ordering, event_id, room_id,

19
synapse/replication/slave/storage/presence.py
View file

@ -48,15 +48,14 @@ class SlavedPresenceStore(BaseSlavedStore):
result["presence"] = position
return result
def process_replication(self, result):
stream = result.get("presence")
if stream:
self._presence_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
position, user_id = row[:2]
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "presence":
self._presence_id_gen.advance(token)
for row in rows:
self.presence_stream_cache.entity_has_changed(
user_id, position
row.user_id, token
)
self._get_presence_for_user.invalidate((user_id,))
return super(SlavedPresenceStore, self).process_replication(result)
self._get_presence_for_user.invalidate((row.user_id,))
return super(SlavedPresenceStore, self).process_replication_rows(
stream_name, token, rows
)

23
synapse/replication/slave/storage/push_rule.py
View file

@ -50,18 +50,15 @@ class SlavedPushRuleStore(SlavedEventStore):
result["push_rules"] = self._push_rules_stream_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("push_rules")
if stream:
for row in stream["rows"]:
position = row[0]
user_id = row[2]
self.get_push_rules_for_user.invalidate((user_id,))
self.get_push_rules_enabled_for_user.invalidate((user_id,))
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "push_rules":
self._push_rules_stream_id_gen.advance(token)
for row in rows:
self.get_push_rules_for_user.invalidate((row.user_id,))
self.get_push_rules_enabled_for_user.invalidate((row.user_id,))
self.push_rules_stream_cache.entity_has_changed(
user_id, position
row.user_id, token
)
self._push_rules_stream_id_gen.advance(int(stream["position"]))
return super(SlavedPushRuleStore, self).process_replication(result)
return super(SlavedPushRuleStore, self).process_replication_rows(
stream_name, token, rows
)

16
synapse/replication/slave/storage/pushers.py
View file

@ -40,13 +40,9 @@ class SlavedPusherStore(BaseSlavedStore):
result["pushers"] = self._pushers_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("pushers")
if stream:
self._pushers_id_gen.advance(int(stream["position"]))
stream = result.get("deleted_pushers")
if stream:
self._pushers_id_gen.advance(int(stream["position"]))
return super(SlavedPusherStore, self).process_replication(result)
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "pushers":
self._pushers_id_gen.advance(token)
return super(SlavedPusherStore, self).process_replication_rows(
stream_name, token, rows
)

24
synapse/replication/slave/storage/receipts.py
View file

@ -65,20 +65,22 @@ class SlavedReceiptsStore(BaseSlavedStore):
result["receipts"] = self._receipts_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("receipts")
if stream:
self._receipts_id_gen.advance(int(stream["position"]))
for row in stream["rows"]:
position, room_id, receipt_type, user_id = row[:4]
self.invalidate_caches_for_receipt(room_id, receipt_type, user_id)
self._receipts_stream_cache.entity_has_changed(room_id, position)
return super(SlavedReceiptsStore, self).process_replication(result)
def invalidate_caches_for_receipt(self, room_id, receipt_type, user_id):
self.get_receipts_for_user.invalidate((user_id, receipt_type))
self.get_linearized_receipts_for_room.invalidate_many((room_id,))
self.get_last_receipt_event_id_for_user.invalidate(
(user_id, room_id, receipt_type)
)
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "receipts":
self._receipts_id_gen.advance(token)
for row in rows:
self.invalidate_caches_for_receipt(
row.room_id, row.receipt_type, row.user_id
)
self._receipts_stream_cache.entity_has_changed(row.room_id, token)
return super(SlavedReceiptsStore, self).process_replication_rows(
stream_name, token, rows
)

11
synapse/replication/slave/storage/room.py
View file

@ -46,9 +46,10 @@ class RoomStore(BaseSlavedStore):
result["public_rooms"] = self._public_room_id_gen.get_current_token()
return result
def process_replication(self, result):
stream = result.get("public_rooms")
if stream:
self._public_room_id_gen.advance(int(stream["position"]))
def process_replication_rows(self, stream_name, token, rows):
if stream_name == "public_rooms":
self._public_room_id_gen.advance(token)
return super(RoomStore, self).process_replication(result)
return super(RoomStore, self).process_replication_rows(
stream_name, token, rows
)

196
synapse/replication/tcp/client.py Normal file
View file

@ -0,0 +1,196 @@
# -*- coding: utf-8 -*-
# Copyright 2017 Vector Creations 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.
"""A replication client for use by synapse workers.
"""
from twisted.internet import reactor, defer
from twisted.internet.protocol import ReconnectingClientFactory
from .commands import (
FederationAckCommand, UserSyncCommand, RemovePusherCommand, InvalidateCacheCommand,
)
from .protocol import ClientReplicationStreamProtocol
import logging
logger = logging.getLogger(__name__)
class ReplicationClientFactory(ReconnectingClientFactory):
"""Factory for building connections to the master. Will reconnect if the
connection is lost.
Accepts a handler that will be called when new data is available or data
is required.
"""
maxDelay = 5 # Try at least once every N seconds
def __init__(self, hs, client_name, handler):
self.client_name = client_name
self.handler = handler
self.server_name = hs.config.server_name
self._clock = hs.get_clock() # As self.clock is defined in super class
reactor.addSystemEventTrigger("before", "shutdown", self.stopTrying)
def startedConnecting(self, connector):
logger.info("Connecting to replication: %r", connector.getDestination())
def buildProtocol(self, addr):
logger.info("Connected to replication: %r", addr)
self.resetDelay()
return ClientReplicationStreamProtocol(
self.client_name, self.server_name, self._clock, self.handler
)
def clientConnectionLost(self, connector, reason):
logger.error("Lost replication conn: %r", reason)
ReconnectingClientFactory.clientConnectionLost(self, connector, reason)
def clientConnectionFailed(self, connector, reason):
logger.error("Failed to connect to replication: %r", reason)
ReconnectingClientFactory.clientConnectionFailed(
self, connector, reason
)
class ReplicationClientHandler(object):
"""A base handler that can be passed to the ReplicationClientFactory.
By default proxies incoming replication data to the SlaveStore.
"""
def __init__(self, store):
self.store = store
# The current connection. None if we are currently (re)connecting
self.connection = None
# Any pending commands to be sent once a new connection has been
# established
self.pending_commands = []
# Map from string -> deferred, to wake up when receiveing a SYNC with
# the given string.
# Used for tests.
self.awaiting_syncs = {}
def start_replication(self, hs):
"""Helper method to start a replication connection to the remote server
using TCP.
"""
client_name = hs.config.worker_name
factory = ReplicationClientFactory(hs, client_name, self)
host = hs.config.worker_replication_host
port = hs.config.worker_replication_port
reactor.connectTCP(host, port, factory)
def on_rdata(self, stream_name, token, rows):
"""Called when we get new replication data. By default this just pokes
the slave store.
Can be overriden in subclasses to handle more.
"""
logger.info("Received rdata %s -> %s", stream_name, token)
self.store.process_replication_rows(stream_name, token, rows)
def on_position(self, stream_name, token):
"""Called when we get new position data. By default this just pokes
the slave store.
Can be overriden in subclasses to handle more.
"""
self.store.process_replication_rows(stream_name, token, [])
def on_sync(self, data):
"""When we received a SYNC we wake up any deferreds that were waiting
for the sync with the given data.
Used by tests.
"""
d = self.awaiting_syncs.pop(data, None)
if d:
d.callback(data)
def get_streams_to_replicate(self):
"""Called when a new connection has been established and we need to
subscribe to streams.
Returns a dictionary of stream name to token.
"""
args = self.store.stream_positions()
user_account_data = args.pop("user_account_data", None)
room_account_data = args.pop("room_account_data", None)
if user_account_data:
args["account_data"] = user_account_data
elif room_account_data:
args["account_data"] = room_account_data
return args
def get_currently_syncing_users(self):
"""Get the list of currently syncing users (if any). This is called
when a connection has been established and we need to send the
currently syncing users. (Overriden by the synchrotron's only)
"""
return []
def send_command(self, cmd):
"""Send a command to master (when we get establish a connection if we
don't have one already.)
"""
if self.connection:
self.connection.send_command(cmd)
else:
logger.warn("Queuing command as not connected: %r", cmd.NAME)
self.pending_commands.append(cmd)
def send_federation_ack(self, token):
"""Ack data for the federation stream. This allows the master to drop
data stored purely in memory.
"""
self.send_command(FederationAckCommand(token))
def send_user_sync(self, user_id, is_syncing, last_sync_ms):
"""Poke the master that a user has started/stopped syncing.
"""
self.send_command(UserSyncCommand(user_id, is_syncing, last_sync_ms))
def send_remove_pusher(self, app_id, push_key, user_id):
"""Poke the master to remove a pusher for a user
"""
cmd = RemovePusherCommand(app_id, push_key, user_id)
self.send_command(cmd)
def send_invalidate_cache(self, cache_func, keys):
"""Poke the master to invalidate a cache.
"""
cmd = InvalidateCacheCommand(cache_func, keys)
self.send_command(cmd)
def await_sync(self, data):
"""Returns a deferred that is resolved when we receive a SYNC command
with given data.
Used by tests.
"""
return self.awaiting_syncs.setdefault(data, defer.Deferred())
def update_connection(self, connection):
"""Called when a connection has been established (or lost with None).
"""
self.connection = connection
if connection:
for cmd in self.pending_commands:
connection.send_command(cmd)
self.pending_commands = []

4
synapse/server.py
View file

@ -132,6 +132,7 @@ class HomeServer(object):
'federation_sender',
'receipts_handler',
'macaroon_generator',
'tcp_replication',
]
def __init__(self, hostname, **kwargs):
@ -290,6 +291,9 @@ class HomeServer(object):
def build_receipts_handler(self):
return ReceiptsHandler(self)
def build_tcp_replication(self):
raise NotImplementedError()
def remove_pusher(self, app_id, push_key, user_id):
return self.get_pusherpool().remove_pusher(app_id, push_key, user_id)

30
tests/replication/slave/storage/_base.py
View file

@ -12,12 +12,15 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from twisted.internet import defer, reactor
from tests import unittest
from mock import Mock, NonCallableMock
from tests.utils import setup_test_homeserver
from synapse.replication.resource import ReplicationResource
from synapse.replication.tcp.resource import ReplicationStreamProtocolFactory
from synapse.replication.tcp.client import (
ReplicationClientHandler, ReplicationClientFactory,
)
class BaseSlavedStoreTestCase(unittest.TestCase):
@ -33,18 +36,29 @@ class BaseSlavedStoreTestCase(unittest.TestCase):
)
self.hs.get_ratelimiter().send_message.return_value = (True, 0)
self.replication = ReplicationResource(self.hs)
self.master_store = self.hs.get_datastore()
self.slaved_store = self.STORE_TYPE(self.hs.get_db_conn(), self.hs)
self.event_id = 0
server_factory = ReplicationStreamProtocolFactory(self.hs)
listener = reactor.listenUNIX("\0xxx", server_factory)
self.addCleanup(listener.stopListening)
self.streamer = server_factory.streamer
self.replication_handler = ReplicationClientHandler(self.slaved_store)
client_factory = ReplicationClientFactory(
self.hs, "client_name", self.replication_handler
)
client_connector = reactor.connectUNIX("\0xxx", client_factory)
self.addCleanup(client_factory.stopTrying)
self.addCleanup(client_connector.disconnect)
@defer.inlineCallbacks
def replicate(self):
streams = self.slaved_store.stream_positions()
writer = yield self.replication.replicate(streams, 100)
result = writer.finish()
yield self.slaved_store.process_replication(result)
yield self.streamer.on_notifier_poke()
d = self.replication_handler.await_sync("replication_test")
self.streamer.send_sync_to_all_connections("replication_test")
yield d
@defer.inlineCallbacks
def check(self, method, args, expected_result=None):