examples/wstest.html

<!DOCTYPE html>
<!-- http://www.websocket.org/echo.html -->
<meta charset="utf-8" />  
<title>WebSocket Test</title>
<script language="javascript" type="text/javascript">

  var wsUri = "ws://localhost:9000";
  var clients = [];
  var client_count = 10;
  var out = null;
  
  function init() {
      out = document.getElementById("output");
      for (var i = 0; i < client_count; i++) {
          testWebSocket(i);
      }
  }

  function testWebSocket(i) {
      clients[i] = new WebSocket(wsUri);
      clients[i].onopen = function(evt) { onOpen(evt, i) };
      clients[i].onclose = function(evt) { onClose(evt) }; 
      clients[i].onmessage = function(evt) { onMessage(evt, i) };
      clients[i].onerror = function(evt) { onError(evt) }; 
  }

  function onOpen(evt, i) {
      doSend(i, "WebSocket rocks");
  }  

  function onClose(evt) {
  } 

  function onMessage(evt, i) { 
      doSend(i, "WebSocket rocks");
   } 

  function onError(evt) { 
      writeToScreen('<span style="color: red;">ERROR:</span> ' + evt.data);
  } 

  function doSend(i, message) {
      var channel = (Math.floor((Math.random() * 5) + 1) - 1);
      message += " on channel " + channel
      clients[i].send(JSON.stringify({data: message, channel: channel}));
  } 


  window.addEventListener("load", init, false);

</script>

<h2>WebSocket Test</h2>
<div id="output"></div>  
</html>