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      1 <!--
      2   #%L
      3   NanoHttpd-Websocket
      4   %%
      5   Copyright (C) 2012 - 2015 nanohttpd
      6   %%
      7   Redistribution and use in source and binary forms, with or without modification,
      8   are permitted provided that the following conditions are met:
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     10   1. Redistributions of source code must retain the above copyright notice, this
     11      list of conditions and the following disclaimer.
     12   
     13   2. Redistributions in binary form must reproduce the above copyright notice,
     14      this list of conditions and the following disclaimer in the documentation
     15      and/or other materials provided with the distribution.
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     17   3. Neither the name of the nanohttpd nor the names of its contributors
     18      may be used to endorse or promote products derived from this software without
     19      specific prior written permission.
     20   
     21   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
     22   ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     23   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24   IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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     29   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
     30   OF THE POSSIBILITY OF SUCH DAMAGE.
     31   #L%
     32   -->
     33 <html>
     34 <head>
     35     <meta charset="utf-8"/>
     36     <title>WebSocket Test</title>
     37     <script language="javascript" type="text/javascript">
     38         var wsUri = "ws://localhost:9090/";
     39         var output;
     40         function init() {
     41             output = document.getElementById("output");
     42             testWebSocket();
     43         }
     44         function testWebSocket() {
     45             websocket = new WebSocket(wsUri);
     46             websocket.onopen = function (evt) {
     47                 onOpen(evt)
     48             };
     49             websocket.onclose = function (evt) {
     50                 onClose(evt)
     51             };
     52             websocket.onmessage = function (evt) {
     53                 onMessage(evt)
     54             };
     55             websocket.onerror = function (evt) {
     56                 onError(evt)
     57             };
     58         }
     59         function onOpen(evt) {
     60             writeToScreen("CONNECTED");
     61             doSend("WebSocket rocks");
     62         }
     63         function onClose(evt) {
     64             writeToScreen("DISCONNECTED");
     65         }
     66         function onMessage(evt) {
     67             writeToScreen('<span style="color: blue;">RESPONSE: ' + evt.data + '</span>');
     68             websocket.close();
     69         }
     70         function onError(evt) {
     71             writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data);
     72         }
     73         function doSend(message) {
     74             writeToScreen("SENT: " + message);
     75             websocket.send(message);
     76         }
     77         function writeToScreen(message) {
     78             var pre = document.createElement("p");
     79             pre.style.wordWrap = "break-word";
     80             pre.innerHTML = message;
     81             output.appendChild(pre);
     82         }
     83         window.addEventListener("load", init, false);  </script>
     84 </head>
     85 <body>
     86 <h2>WebSocket Test</h2>
     87 
     88 <div id="output"></div>
     89 </body>
     90 </html>