pythonasyncioeventletgeventlong-pollinglow-latencysocket-iosocketiosocketio-serverweb-serverwebsocket
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88 lines
1.9 KiB
88 lines
1.9 KiB
from sanic import Sanic
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from sanic.response import html
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import socketio
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sio = socketio.AsyncServer(async_mode='sanic')
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app = Sanic()
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sio.attach(app)
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async def background_task():
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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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await sio.sleep(10)
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count += 1
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await sio.emit('my_response', {'data': 'Server generated event'})
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@app.listener('before_server_start')
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def before_server_start(sanic, loop):
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sio.start_background_task(background_task)
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@app.route('/')
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async def index(request):
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with open('app.html') as f:
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return html(f.read())
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@sio.event
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async def my_event(sid, message):
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await sio.emit('my_response', {'data': message['data']}, room=sid)
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@sio.event
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async def my_broadcast_event(sid, message):
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await sio.emit('my_response', {'data': message['data']})
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@sio.event
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async def join(sid, message):
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sio.enter_room(sid, message['room'])
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await sio.emit('my_response', {'data': 'Entered room: ' + message['room']},
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room=sid)
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@sio.event
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async def leave(sid, message):
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sio.leave_room(sid, message['room'])
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await sio.emit('my_response', {'data': 'Left room: ' + message['room']},
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room=sid)
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@sio.event
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async def close_room(sid, message):
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await sio.emit('my_response',
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{'data': 'Room ' + message['room'] + ' is closing.'},
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room=message['room'])
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await sio.close_room(message['room'])
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@sio.event
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async def my_room_event(sid, message):
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await sio.emit('my_response', {'data': message['data']},
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room=message['room'])
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@sio.event
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async def disconnect_request(sid):
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await sio.disconnect(sid)
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@sio.event
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async def connect(sid, environ):
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await sio.emit('my_response', {'data': 'Connected', 'count': 0}, room=sid)
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@sio.event
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def disconnect(sid):
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print('Client disconnected')
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app.static('/static', './static')
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if __name__ == '__main__':
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app.run()
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