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@lanius
Created May 6, 2012 03:51

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  1. lanius revised this gist May 6, 2012. 1 changed file with 5 additions and 0 deletions.
    5 changes: 5 additions & 0 deletions server.py
    Original file line number Diff line number Diff line change
    @@ -1,5 +1,10 @@
    # -*- coding: utf-8 -*-

    """
    Regular expression groups in URL pattern are passed as arguments to "open"
    method of tornado.websocket.WebSocketHandler
    """

    from tornado.web import RequestHandler, Application
    from tornado.websocket import WebSocketHandler
    from tornado.httpserver import HTTPServer
  2. lanius created this gist May 6, 2012.
    36 changes: 36 additions & 0 deletions index.html
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,36 @@
    <!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>
    43 changes: 43 additions & 0 deletions server.py
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,43 @@
    # -*- 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()