example/eventsource.html

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<!--
Simple example of the Server-Sent Events
http://dev.w3.org/html5/eventsource/

For comparison with the WebSocket Protocol & API.

Run the pywebsocket with the --cgi_path parameter.
-->

<html>
<head>
<title>Server-Sent Events Example</title>
<script>
var eventSource = null;

function addToLog(data) {
  logBox.value += data + '\n';
  logBox.scrollTop = 1000000;
}

function init() {
  logBox = document.getElementById('log');

  eventSource  = new EventSource('/eventsource.cgi');
  eventSource.onopen = function() {
    addToLog('onopen (readyState = ' + eventSource.readyState + ')');
  }
  eventSource.onmessage = function(event) {
    addToLog(event.data);
  }
  eventSource.onerror = function(event) {
    addToLog('onerror (readyState = ' + eventSource.readyState + ')');
  }
}
</script>
</head>
<body onload="init()">
<textarea id="log" rows="10" cols="40" readonly></textarea>
<p style="font-size: small">
  Make sure that pywebsocket is run with --cgi_path parameter.
</p>
</body>
</html>