Created
May 6, 2012 03:51
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Handle URL pattern in WebSocketHandler for Tornado
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Tornado WebSocket Sample</title> | |
| </head> | |
| <body> | |
| <input type="text" id="username" value="myname" /> | |
| <button id="connect">connect</button> | |
| <div id="result"></div> | |
| <script> | |
| var $ = function (id) { | |
| return document.getElementById(id); | |
| }; | |
| $('connect').addEventListener('click', function () { | |
| var username = $('username').value; | |
| $('username').value = ""; | |
| var sock = new WebSocket('ws://localhost:8888/user/' + username); | |
| sock.onopen = function () { | |
| console.log('opened.'); | |
| }; | |
| sock.onclose = function () { | |
| console.log('closed.'); | |
| }; | |
| sock.onerror = function () { | |
| console.log('error.'); | |
| }; | |
| sock.onmessage = function (evt) { | |
| $('result').innerText = evt.data; | |
| }; | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| # -*- coding: utf-8 -*- | |
| from tornado.web import RequestHandler, Application | |
| from tornado.websocket import WebSocketHandler | |
| from tornado.httpserver import HTTPServer | |
| from tornado.ioloop import IOLoop | |
| class IndexHandler(RequestHandler): | |
| def get(self): | |
| self.render('index.html') | |
| class SampleWebSocket(WebSocketHandler): | |
| def open(self, username): | |
| print(u"opened.") | |
| self.write_message(u"you're name is {0}".format(username)) | |
| # You can also get arguments from 'self.open_args' | |
| self.close() | |
| def on_message(self, message): | |
| pass | |
| def on_close(self): | |
| print(u"closed.") | |
| settings = {'auto_reload': True, 'debug': True} | |
| app = Application([ | |
| (r'/', IndexHandler), | |
| (r'/user/(.*)', SampleWebSocket), | |
| ], **settings) | |
| def main(): | |
| http_server = HTTPServer(app) | |
| http_server.listen(8888) | |
| IOLoop.instance().start() | |
| if __name__ == '__main__': | |
| main() |
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