mirror of https://github.com/morpheus65535/bazarr
120 lines
4.4 KiB
Python
120 lines
4.4 KiB
Python
import asyncio
|
|
|
|
from engineio import packet as eio_packet
|
|
from socketio import packet
|
|
from .base_manager import BaseManager
|
|
|
|
|
|
class AsyncManager(BaseManager):
|
|
"""Manage a client list for an asyncio server."""
|
|
async def can_disconnect(self, sid, namespace):
|
|
return self.is_connected(sid, namespace)
|
|
|
|
async def emit(self, event, data, namespace, room=None, skip_sid=None,
|
|
callback=None, **kwargs):
|
|
"""Emit a message to a single client, a room, or all the clients
|
|
connected to the namespace.
|
|
|
|
Note: this method is a coroutine.
|
|
"""
|
|
if namespace not in self.rooms:
|
|
return
|
|
if isinstance(data, tuple):
|
|
# tuples are expanded to multiple arguments, everything else is
|
|
# sent as a single argument
|
|
data = list(data)
|
|
elif data is not None:
|
|
data = [data]
|
|
else:
|
|
data = []
|
|
if not isinstance(skip_sid, list):
|
|
skip_sid = [skip_sid]
|
|
tasks = []
|
|
if not callback:
|
|
# when callbacks aren't used the packets sent to each recipient are
|
|
# identical, so they can be generated once and reused
|
|
pkt = self.server.packet_class(
|
|
packet.EVENT, namespace=namespace, data=[event] + data)
|
|
encoded_packet = pkt.encode()
|
|
if not isinstance(encoded_packet, list):
|
|
encoded_packet = [encoded_packet]
|
|
eio_pkt = [eio_packet.Packet(eio_packet.MESSAGE, p)
|
|
for p in encoded_packet]
|
|
for sid, eio_sid in self.get_participants(namespace, room):
|
|
if sid not in skip_sid:
|
|
for p in eio_pkt:
|
|
tasks.append(asyncio.create_task(
|
|
self.server._send_eio_packet(eio_sid, p)))
|
|
else:
|
|
# callbacks are used, so each recipient must be sent a packet that
|
|
# contains a unique callback id
|
|
# note that callbacks when addressing a group of people are
|
|
# implemented but not tested or supported
|
|
for sid, eio_sid in self.get_participants(namespace, room):
|
|
if sid not in skip_sid: # pragma: no branch
|
|
id = self._generate_ack_id(sid, callback)
|
|
pkt = self.server.packet_class(
|
|
packet.EVENT, namespace=namespace, data=[event] + data,
|
|
id=id)
|
|
tasks.append(asyncio.create_task(
|
|
self.server._send_packet(eio_sid, pkt)))
|
|
if tasks == []: # pragma: no cover
|
|
return
|
|
await asyncio.wait(tasks)
|
|
|
|
async def connect(self, eio_sid, namespace):
|
|
"""Register a client connection to a namespace.
|
|
|
|
Note: this method is a coroutine.
|
|
"""
|
|
return super().connect(eio_sid, namespace)
|
|
|
|
async def disconnect(self, sid, namespace, **kwargs):
|
|
"""Disconnect a client.
|
|
|
|
Note: this method is a coroutine.
|
|
"""
|
|
return self.basic_disconnect(sid, namespace, **kwargs)
|
|
|
|
async def enter_room(self, sid, namespace, room, eio_sid=None):
|
|
"""Add a client to a room.
|
|
|
|
Note: this method is a coroutine.
|
|
"""
|
|
return self.basic_enter_room(sid, namespace, room, eio_sid=eio_sid)
|
|
|
|
async def leave_room(self, sid, namespace, room):
|
|
"""Remove a client from a room.
|
|
|
|
Note: this method is a coroutine.
|
|
"""
|
|
return self.basic_leave_room(sid, namespace, room)
|
|
|
|
async def close_room(self, room, namespace):
|
|
"""Remove all participants from a room.
|
|
|
|
Note: this method is a coroutine.
|
|
"""
|
|
return self.basic_close_room(room, namespace)
|
|
|
|
async def trigger_callback(self, sid, id, data):
|
|
"""Invoke an application callback.
|
|
|
|
Note: this method is a coroutine.
|
|
"""
|
|
callback = None
|
|
try:
|
|
callback = self.callbacks[sid][id]
|
|
except KeyError:
|
|
# if we get an unknown callback we just ignore it
|
|
self._get_logger().warning('Unknown callback received, ignoring.')
|
|
else:
|
|
del self.callbacks[sid][id]
|
|
if callback is not None:
|
|
ret = callback(*data)
|
|
if asyncio.iscoroutine(ret):
|
|
try:
|
|
await ret
|
|
except asyncio.CancelledError: # pragma: no cover
|
|
pass
|