pythonasyncioeventletgeventlong-pollinglow-latencysocket-iosocketiosocketio-serverweb-serverwebsocket
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86 lines
2.4 KiB
86 lines
2.4 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'},
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namespace='/test')
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@sio.on('my event', namespace='/test')
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def test_message(sid, message):
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sio.emit('my response', {'data': message['data']}, room=sid,
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namespace='/test')
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@sio.on('my broadcast event', namespace='/test')
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def test_broadcast_message(sid, message):
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sio.emit('my response', {'data': message['data']}, namespace='/test')
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@sio.on('join', namespace='/test')
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def join(sid, message):
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sio.enter_room(sid, message['room'], namespace='/test')
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sio.emit('my response', {'data': 'Entered room: ' + message['room']},
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room=sid, namespace='/test')
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@sio.on('leave', namespace='/test')
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def leave(sid, message):
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sio.leave_room(sid, message['room'], namespace='/test')
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sio.emit('my response', {'data': 'Left room: ' + message['room']},
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room=sid, namespace='/test')
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@sio.on('close room', namespace='/test')
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def close(sid, message):
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sio.emit('my response',
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{'data': 'Room ' + message['room'] + ' is closing.'},
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room=message['room'], namespace='/test')
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sio.close_room(message['room'], namespace='/test')
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@sio.on('my room event', namespace='/test')
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def send_room_message(sid, message):
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sio.emit('my response', {'data': message['data']}, room=message['room'],
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namespace='/test')
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@sio.on('disconnect request', namespace='/test')
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def disconnect_request(sid):
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sio.disconnect(sid, namespace='/test')
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@sio.on('connect', namespace='/test')
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def test_connect(sid, environ):
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sio.emit('my response', {'data': 'Connected', 'count': 0}, room=sid,
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namespace='/test')
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@sio.on('disconnect', namespace='/test')
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def test_disconnect(sid):
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print('Client disconnected')
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