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#!/usr/bin/env python3
import asyncio
import logging
from aiohttp import web
@asyncio.coroutine
def wshandler(request):
ws = web.WebSocketResponse(autoclose=False)
ok, protocol = ws.can_start(request)
if not ok:
return web.HTTPBadRequest()
yield from ws.prepare(request)
while True:
msg = yield from ws.receive()
if msg.type == web.MsgType.text:
ws.send_str(msg.data)
elif msg.type == web.MsgType.binary:
ws.send_bytes(msg.data)
elif msg.type == web.MsgType.close:
yield from ws.close()
break
else:
break
return ws
@asyncio.coroutine
def main(loop):
app = web.Application(loop=loop)
app.router.add_route('GET', '/', wshandler)
handler = app.make_handler()
srv = yield from loop.create_server(handler, '127.0.0.1', 9001)
print("Server started at http://127.0.0.1:9001")
return app, srv, handler
@asyncio.coroutine
def finish(app, srv, handler):
srv.close()
yield from handler.finish_connections()
yield from srv.wait_closed()
if __name__ == '__main__':
loop = asyncio.get_event_loop()
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s %(levelname)s %(message)s')
loop = asyncio.get_event_loop()
app, srv, handler = loop.run_until_complete(main(loop))
try:
loop.run_forever()
except KeyboardInterrupt:
loop.run_until_complete(finish(app, srv, handler))
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