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59 lines
2.0 KiB
59 lines
2.0 KiB
5 years ago
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import asyncio
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from .base_manager import BaseManager
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class AsyncManager(BaseManager):
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"""Manage a client list for an asyncio server."""
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async def emit(self, event, data, namespace, room=None, skip_sid=None,
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callback=None, **kwargs):
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"""Emit a message to a single client, a room, or all the clients
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connected to the namespace.
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Note: this method is a coroutine.
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"""
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if namespace not in self.rooms or room not in self.rooms[namespace]:
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return
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tasks = []
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if not isinstance(skip_sid, list):
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skip_sid = [skip_sid]
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for sid in self.get_participants(namespace, room):
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if sid not in skip_sid:
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if callback is not None:
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id = self._generate_ack_id(sid, namespace, callback)
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else:
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id = None
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tasks.append(self.server._emit_internal(sid, event, data,
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namespace, id))
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if tasks == []: # pragma: no cover
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return
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await asyncio.wait(tasks)
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async def close_room(self, room, namespace):
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"""Remove all participants from a room.
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Note: this method is a coroutine.
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"""
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return super().close_room(room, namespace)
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async def trigger_callback(self, sid, namespace, id, data):
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"""Invoke an application callback.
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Note: this method is a coroutine.
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"""
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callback = None
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try:
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callback = self.callbacks[sid][namespace][id]
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except KeyError:
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# if we get an unknown callback we just ignore it
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self._get_logger().warning('Unknown callback received, ignoring.')
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else:
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del self.callbacks[sid][namespace][id]
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if callback is not None:
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ret = callback(*data)
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if asyncio.iscoroutine(ret):
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try:
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await ret
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except asyncio.CancelledError: # pragma: no cover
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pass
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