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#!/usr/bin/env python3
import asyncio
import logging
from aiohttp import web
async def wshandler(request):
ws = web.WebSocketResponse(autoclose=False)
is_ws = ws.can_prepare(request)
if not is_ws:
return web.HTTPBadRequest()
await ws.prepare(request)
while True:
msg = await ws.receive()
if msg.type == web.WSMsgType.text:
await ws.send_str(msg.data)
elif msg.type == web.WSMsgType.binary:
await ws.send_bytes(msg.data)
elif msg.type == web.WSMsgType.close:
await ws.close()
break
else:
break
return ws
async def main(loop):
app = web.Application()
app.router.add_route('GET', '/', wshandler)
handler = app._make_handler()
srv = await loop.create_server(handler, '127.0.0.1', 9001)
print("Server started at http://127.0.0.1:9001")
return app, srv, handler
async def finish(app, srv, handler):
srv.close()
await handler.shutdown()
await srv.wait_closed()
if __name__ == '__main__':
loop = asyncio.get_event_loop()
logging.basicConfig(level=logging.DEBUG,
format='%(asctime)s %(levelname)s %(message)s')
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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