pythonasyncioeventletgeventlong-pollinglow-latencysocket-iosocketiosocketio-serverweb-serverwebsocket
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82 lines
1.9 KiB
82 lines
1.9 KiB
# set async_mode to 'threading', 'eventlet', 'gevent' or 'gevent_uwsgi' to
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# force a mode else, the best mode is selected automatically from what's
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# installed
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async_mode = None
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import os
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from django.http import HttpResponse
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import socketio
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basedir = os.path.dirname(os.path.realpath(__file__))
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sio = socketio.Server(async_mode=async_mode)
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thread = None
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def index(request):
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global thread
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if thread is None:
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thread = sio.start_background_task(background_thread)
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return HttpResponse(open(os.path.join(basedir, "static/index.html")))
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def background_thread():
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"""Example of how to send server generated events to clients."""
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count = 0
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while True:
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sio.sleep(10)
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count += 1
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sio.emit("my_response", {"data": "Server generated event"}, namespace="/test")
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@sio.event
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def my_event(sid, message):
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sio.emit("my_response", {"data": message["data"]}, room=sid)
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@sio.event
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def my_broadcast_event(sid, message):
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sio.emit("my_response", {"data": message["data"]})
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@sio.event
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def join(sid, message):
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sio.enter_room(sid, message["room"])
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sio.emit("my_response", {"data": "Entered room: " + message["room"]}, room=sid)
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@sio.event
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def leave(sid, message):
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sio.leave_room(sid, message["room"])
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sio.emit("my_response", {"data": "Left room: " + message["room"]}, room=sid)
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@sio.event
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def close_room(sid, message):
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sio.emit(
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"my_response",
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{"data": "Room " + message["room"] + " is closing."},
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room=message["room"],
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)
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sio.close_room(message["room"])
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@sio.event
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def my_room_event(sid, message):
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sio.emit("my_response", {"data": message["data"]}, room=message["room"])
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@sio.event
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def disconnect_request(sid):
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sio.disconnect(sid)
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@sio.event
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def connect(sid, environ):
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sio.emit("my_response", {"data": "Connected", "count": 0}, room=sid)
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@sio.event
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def disconnect(sid, reason):
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print("Client disconnected, reason:", reason)
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