diff options
Diffstat (limited to 'synapse/replication/tcp/protocol.py')
| -rw-r--r-- | synapse/replication/tcp/protocol.py | 36 |
1 files changed, 21 insertions, 15 deletions
diff --git a/synapse/replication/tcp/protocol.py b/synapse/replication/tcp/protocol.py index afaf002fe6..db0353c996 100644 --- a/synapse/replication/tcp/protocol.py +++ b/synapse/replication/tcp/protocol.py @@ -53,6 +53,7 @@ import fcntl import logging import struct from collections import defaultdict +from typing import Any, DefaultDict, Dict, List, Set, Tuple from six import iteritems, iterkeys @@ -65,13 +66,11 @@ from twisted.python.failure import Failure from synapse.logging.context import make_deferred_yieldable, run_in_background from synapse.metrics import LaterGauge from synapse.metrics.background_process_metrics import run_as_background_process -from synapse.util import Clock -from synapse.util.stringutils import random_string - -from .commands import ( +from synapse.replication.tcp.commands import ( COMMAND_MAP, VALID_CLIENT_COMMANDS, VALID_SERVER_COMMANDS, + Command, ErrorCommand, NameCommand, PingCommand, @@ -82,6 +81,10 @@ from .commands import ( SyncCommand, UserSyncCommand, ) +from synapse.types import Collection +from synapse.util import Clock +from synapse.util.stringutils import random_string + from .streams import STREAMS_MAP connection_close_counter = Counter( @@ -124,8 +127,11 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver): delimiter = b"\n" - VALID_INBOUND_COMMANDS = [] # Valid commands we expect to receive - VALID_OUTBOUND_COMMANDS = [] # Valid commans we can send + # Valid commands we expect to receive + VALID_INBOUND_COMMANDS = [] # type: Collection[str] + + # Valid commands we can send + VALID_OUTBOUND_COMMANDS = [] # type: Collection[str] max_line_buffer = 10000 @@ -144,13 +150,13 @@ class BaseReplicationStreamProtocol(LineOnlyReceiver): self.conn_id = random_string(5) # To dedupe in case of name clashes. # List of pending commands to send once we've established the connection - self.pending_commands = [] + self.pending_commands = [] # type: List[Command] # The LoopingCall for sending pings. self._send_ping_loop = None - self.inbound_commands_counter = defaultdict(int) - self.outbound_commands_counter = defaultdict(int) + self.inbound_commands_counter = defaultdict(int) # type: DefaultDict[str, int] + self.outbound_commands_counter = defaultdict(int) # type: DefaultDict[str, int] def connectionMade(self): logger.info("[%s] Connection established", self.id()) @@ -409,14 +415,14 @@ class ServerReplicationStreamProtocol(BaseReplicationStreamProtocol): self.streamer = streamer # The streams the client has subscribed to and is up to date with - self.replication_streams = set() + self.replication_streams = set() # type: Set[str] # The streams the client is currently subscribing to. - self.connecting_streams = set() + self.connecting_streams = set() # type: Set[str] # Map from stream name to list of updates to send once we've finished # subscribing the client to the stream. - self.pending_rdata = {} + self.pending_rdata = {} # type: Dict[str, List[Tuple[int, Any]]] def connectionMade(self): self.send_command(ServerCommand(self.server_name)) @@ -642,11 +648,11 @@ class ClientReplicationStreamProtocol(BaseReplicationStreamProtocol): # Set of stream names that have been subscribe to, but haven't yet # caught up with. This is used to track when the client has been fully # connected to the remote. - self.streams_connecting = set() + self.streams_connecting = set() # type: Set[str] # Map of stream to batched updates. See RdataCommand for info on how # batching works. - self.pending_batches = {} + self.pending_batches = {} # type: Dict[str, Any] def connectionMade(self): self.send_command(NameCommand(self.client_name)) @@ -766,7 +772,7 @@ def transport_kernel_read_buffer_size(protocol, read=True): op = SIOCINQ else: op = SIOCOUTQ - size = struct.unpack("I", fcntl.ioctl(fileno, op, "\0\0\0\0"))[0] + size = struct.unpack("I", fcntl.ioctl(fileno, op, b"\0\0\0\0"))[0] return size return 0 |