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<html>
<head>
<title>WebSockets Echo Test</title>
<script src="include/util.js"></script>
<script src="include/webutil.js"></script>
<script src="include/base64.js"></script>
<script src="include/websock.js"></script>
<!-- Uncomment to activate firebug lite -->
<!--
<script type='text/javascript'
src='http://getfirebug.com/releases/lite/1.2/firebug-lite-compressed.js'></script>
-->
</head>
<body>
Host: <input id='host' style='width:100'>
Port: <input id='port' style='width:50'>
Encrypt: <input id='encrypt' type='checkbox'>
<input id='connectButton' type='button' value='Start' style='width:100px'
onclick="connect();">
<br>
Log:<br>
<textarea id="messages" style="font-size: 9;" cols=80 rows=25></textarea>
</body>
<script>
var ws, host = null, port = null,
msg_cnt = 0, send_cnt = 1, echoDelay = 500,
echo_ref;
function message(str) {
console.log(str);
cell = $D('messages');
cell.innerHTML += msg_cnt + ": " + str + "\n";
cell.scrollTop = cell.scrollHeight;
msg_cnt++;
}
Array.prototype.pushStr = function (str) {
var n = str.length;
for (var i=0; i < n; i++) {
this.push(str.charCodeAt(i));
}
}
function send_msg() {
var str = "Message #" + send_cnt;
ws.send_string(str);
message("Sent message: '" + str + "'");
send_cnt++;
}
function update_stats() {
$D('sent').innerHTML = sent;
$D('received').innerHTML = received;
$D('errors').innerHTML = errors;
}
function connect() {
var host = $D('host').value,
port = $D('port').value,
scheme = "ws://", uri;
console.log(">> connect");
if ((!host) || (!port)) {
console.log("must set host and port");
return;
}
if (ws) {
ws.close();
}
if ($D('encrypt').checked) {
scheme = "wss://";
}
uri = scheme + host + ":" + port;
message("connecting to " + uri);
ws = new Websock();
ws.open(uri);
ws.on('message', function(e) {
//console.log(">> WebSockets.onmessage");
var str = ws.rQshiftStr();
message("Received message '" + str + "'");
//console.log("<< WebSockets.onmessage");
});
ws.on('open', function(e) {
console.log(">> WebSockets.onopen");
echo_ref = setInterval(send_msg, echoDelay);
console.log("<< WebSockets.onopen");
});
ws.on('close', function(e) {
console.log(">> WebSockets.onclose");
if (echo_ref) {
clearInterval(echo_ref);
echo_ref = null;
}
console.log("<< WebSockets.onclose");
});
ws.on('error', function(e) {
console.log(">> WebSockets.onerror");
if (echo_ref) {
clearInterval(echo_ref);
echo_ref = null;
}
console.log("<< WebSockets.onerror");
});
$D('connectButton').value = "Stop";
$D('connectButton').onclick = disconnect;
console.log("<< connect");
}
function disconnect() {
console.log(">> disconnect");
if (ws) {
ws.close();
}
if (echo_ref) {
clearInterval(echo_ref);
}
$D('connectButton').value = "Start";
$D('connectButton').onclick = connect;
console.log("<< disconnect");
}
window.onload = function() {
console.log("onload");
var url = document.location.href;
$D('host').value = (url.match(/host=([^&#]*)/) || ['',window.location.hostname])[1];
$D('port').value = (url.match(/port=([^&#]*)/) || ['',window.location.port])[1];
}
</script>
</html>
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