def start_replication(self, hs):
"""Helper method to start a replication connection to the remote server
using TCP.
"""
if hs.config.redis.redis_enabled:
from synapse.replication.tcp.redis import (
RedisDirectTcpReplicationClientFactory, )
# First let's ensure that we have a ReplicationStreamer started.
hs.get_replication_streamer()
# We need two connections to redis, one for the subscription stream and
# one to send commands to (as you can't send further redis commands to a
# connection after SUBSCRIBE is called).
# First create the connection for sending commands.
outbound_redis_connection = hs.get_outbound_redis_connection()
# Now create the factory/connection for the subscription stream.
self._factory = RedisDirectTcpReplicationClientFactory(
hs, outbound_redis_connection)
hs.get_reactor().connectTCP(
hs.config.redis.redis_host.encode(),
hs.config.redis.redis_port,
self._factory,
)
else:
client_name = hs.get_instance_name()
self._factory = DirectTcpReplicationClientFactory(
hs, client_name, self)
host = hs.config.worker_replication_host
port = hs.config.worker_replication_port
hs.get_reactor().connectTCP(host.encode(), port, self._factory)
def start_replication(self, hs):
"""Helper method to start a replication connection to the remote server
using TCP.
"""
if hs.config.redis.redis_enabled:
from synapse.replication.tcp.redis import (
RedisDirectTcpReplicationClientFactory,
)
import txredisapi
logger.info(
"Connecting to redis (host=%r port=%r DBID=%r)",
hs.config.redis_host,
hs.config.redis_port,
hs.config.redis_dbid,
)
# We need two connections to redis, one for the subscription stream and
# one to send commands to (as you can't send further redis commands to a
# connection after SUBSCRIBE is called).
# First create the connection for sending commands.
outbound_redis_connection = txredisapi.lazyConnection(
host=hs.config.redis_host,
port=hs.config.redis_port,
dbid=hs.config.redis_dbid,
password=hs.config.redis.redis_password,
reconnect=True,
)
# Now create the factory/connection for the subscription stream.
self._factory = RedisDirectTcpReplicationClientFactory(
hs, outbound_redis_connection
)
hs.get_reactor().connectTCP(
hs.config.redis.redis_host, hs.config.redis.redis_port, self._factory,
)
else:
client_name = hs.get_instance_name()
self._factory = DirectTcpReplicationClientFactory(hs, client_name, self)
host = hs.config.worker_replication_host
port = hs.config.worker_replication_port
hs.get_reactor().connectTCP(host, port, self._factory)
def start_replication(self, hs: "HomeServer") -> None:
"""Helper method to start replication."""
if hs.config.redis.redis_enabled:
from synapse.replication.tcp.redis import (
RedisDirectTcpReplicationClientFactory,
)
# First let's ensure that we have a ReplicationStreamer started.
hs.get_replication_streamer()
# We need two connections to redis, one for the subscription stream and
# one to send commands to (as you can't send further redis commands to a
# connection after SUBSCRIBE is called).
# First create the connection for sending commands.
outbound_redis_connection = hs.get_outbound_redis_connection()
# Now create the factory/connection for the subscription stream.
self._factory = RedisDirectTcpReplicationClientFactory(
hs,
outbound_redis_connection,
channel_names=self._channels_to_subscribe_to,
)
hs.get_reactor().connectTCP(
hs.config.redis.redis_host,
hs.config.redis.redis_port,
self._factory,
timeout=30,
bindAddress=None,
)
else:
client_name = hs.get_instance_name()
self._factory = DirectTcpReplicationClientFactory(hs, client_name, self)
host = hs.config.worker.worker_replication_host
port = hs.config.worker.worker_replication_port
hs.get_reactor().connectTCP(
host,
port,
self._factory,
timeout=30,
bindAddress=None,
)