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Wake up transaction queue when remote server comes back online (#6706)

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This will be used to retry outbound transactions to a remote server if
we think it might have come back up.
This commit is contained in:
Erik Johnston 2020-01-17 10:27:19 +00:00 • committed by GitHub
parent 5ce0b17e38
commit a8a50f5b57
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11 changed files with 135 additions and 8 deletions
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15
synapse/replication/tcp/protocol.py
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@ -76,6 +76,7 @@ from synapse.replication.tcp.commands import (
PingCommand,
PositionCommand,
RdataCommand,
RemoteServerUpCommand,
ReplicateCommand,
ServerCommand,
SyncCommand,
@ -460,6 +461,9 @@ class ServerReplicationStreamProtocol(BaseReplicationStreamProtocol):
async def on_INVALIDATE_CACHE(self, cmd):
self.streamer.on_invalidate_cache(cmd.cache_func, cmd.keys)
async def on_REMOTE_SERVER_UP(self, cmd: RemoteServerUpCommand):
self.streamer.on_remote_server_up(cmd.data)
async def on_USER_IP(self, cmd):
self.streamer.on_user_ip(
cmd.user_id,
@ -555,6 +559,9 @@ class ServerReplicationStreamProtocol(BaseReplicationStreamProtocol):
def send_sync(self, data):
self.send_command(SyncCommand(data))
def send_remote_server_up(self, server: str):
self.send_command(RemoteServerUpCommand(server))
def on_connection_closed(self):
BaseReplicationStreamProtocol.on_connection_closed(self)
self.streamer.lost_connection(self)
@ -588,6 +595,11 @@ class AbstractReplicationClientHandler(metaclass=abc.ABCMeta):
"""Called when get a new SYNC command."""
raise NotImplementedError()
@abc.abstractmethod
async def on_remote_server_up(self, server: str):
"""Called when get a new REMOTE_SERVER_UP command."""
raise NotImplementedError()
@abc.abstractmethod
def get_streams_to_replicate(self):
"""Called when a new connection has been established and we need to
@ -707,6 +719,9 @@ class ClientReplicationStreamProtocol(BaseReplicationStreamProtocol):
async def on_SYNC(self, cmd):
self.handler.on_sync(cmd.data)
async def on_REMOTE_SERVER_UP(self, cmd: RemoteServerUpCommand):
self.handler.on_remote_server_up(cmd.data)
def replicate(self, stream_name, token):
"""Send the subscription request to the server
"""