python
import tornado.websocket
import tornado.web
import tornado.ioloop
class WebSocketHandler(tornado.websocket.WebSocketHandler):
def open(self):
def on_message(self, message):
def on_close(self):
app = tornado.web.Application([
(r"/websocket", WebSocketHandler),
])
if __name__ == "__main__":
app.listen(8888)
tornado.ioloop.IOLoop.instance().start()
