deb-novnc/wstest.html
Joel Martin af7a319387 Assemble partial received frames.
Apparently both native and flash WebSockets implementations can send
partial packets.
2010-04-16 15:53:59 -05:00

197 lines
6.5 KiB
HTML

<html>
<head><title>WebSockets Test</title></head>
<body>
Host: <input id='host' style='width:100'>&nbsp;
Port: <input id='port' style='width:50'>&nbsp;
Send Delay (ms): <input id='sendDelay' style='width:50' value="100">&nbsp;
<input id='connectButton' type='button' value='Start' style='width:100px'
onclick="connect();">&nbsp;
<br><br>
<table border=1>
<tr>
<th align="right">Packets sent:</th>
<td align="right"><div id='sent'>0</div></td>
</tr><tr>
<th align="right">Good Packets Received:</th>
<td align="right"><div id='received'>0</div></td>
</tr><tr>
<th align="right">Errors (Bad Packets Received:)</th>
<td align="right"><div id='errors'>0</div></td>
</tr>
</table>
</body>
<script src="include/mootools.js"></script>
<script src="include/base64.js"></script>
<script src="include/util.js"></script>
<script>
var host = null, port = null, sendDelay = 0;
var ws = null, update_ref = null, send_ref = null;
var sent = 0, received = 0, errors = 0;
var max_send = 2000;
Array.prototype.pushStr = function (str) {
var n = str.length;
for (var i=0; i < n; i++) {
this.push(str.charCodeAt(i));
}
}
function add (x,y) {
return parseInt(x,10)+parseInt(y,10);
}
function check_respond(data) {
//console.log(">> check_respond");
var decoded, first, last, str, length, chksum, nums, arr;
decoded = Base64.decode(data);
first = String.fromCharCode(decoded.shift());
last = String.fromCharCode(decoded.pop());
if (first != "^") {
console.error("Packet missing start char '^'");
errors++;
return;
}
if (last != "$") {
console.error("Packet missing end char '$'");
errors++;
return;
}
arr = decoded.map(function(num) {
return String.fromCharCode(num);
} ).join('').split(':');
length = arr[0];
chksum = arr[1];
nums = arr[2];
//console.log(" length:" + length + " chksum:" + chksum + " nums:" + nums);
if (nums.length != length) {
console.error("Real length " + nums.length + " is not " + length);
errors++;
return;
}
real_chksum = nums.split('').reduce(add);
if (real_chksum != chksum) {
console.error("Real chksum " + real_chksum + " is not " + chksum);
errors++
return;
}
received++;
//console.log(" Packet checks out: length:" + length + " chksum:" + chksum);
//console.log("<< check_respond");
}
function send() {
var length = Math.floor(Math.random()*(max_send-9)) + 10; // 10 - max_send
var numlist = [], arr = [];
for (var i=0; i < length; i++) {
numlist.push( Math.floor(Math.random()*10) );
}
chksum = numlist.reduce(add);
var nums = numlist.join('');
arr.pushStr("^" + length + ":" + chksum + ":" + nums + "$")
ws.send(Base64.encode(arr));
sent++;
}
function update_stats() {
$('sent').innerHTML = sent;
$('received').innerHTML = received;
$('errors').innerHTML = errors;
}
function init_ws() {
console.log(">> init_ws");
var uri = "ws://" + host + ":" + port;
console.log("connecting to " + uri);
ws = new WebSocket(uri);
ws.onmessage = function(e) {
//console.log(">> WebSockets.onmessage");
check_respond(e.data);
//console.log("<< WebSockets.onmessage");
};
ws.onopen = function(e) {
console.log(">> WebSockets.onopen");
send_ref = send.periodical(sendDelay);
console.log("<< WebSockets.onopen");
};
ws.onclose = function(e) {
console.log(">> WebSockets.onclose");
console.log("<< WebSockets.onclose");
};
ws.onerror = function(e) {
console.log(">> WebSockets.onerror");
console.log(" " + e);
console.log("<< WebSockets.onerror");
};
console.log("<< init_ws");
}
function connect() {
console.log(">> connect");
host = $('host').value;
port = $('port').value;
sendDelay = parseInt($('sendDelay').value, 10);
if ((!host) || (!port)) {
console.log("must set host and port");
return;
}
if (ws) {
ws.close();
}
init_ws();
update_ref = update_stats.periodical(1);
$('connectButton').value = "Stop";
$('connectButton').onclick = disconnect;
console.log("<< connect");
}
function disconnect() {
console.log(">> disconnect");
if (ws) {
ws.close();
}
$clear(update_ref);
update_stats(); // Final numbers
$clear(send_ref);
$('connectButton').value = "Start";
$('connectButton').onclick = connect;
console.log("<< disconnect");
}
/* If no builtin websockets then load web_socket.js */
if (! window.WebSocket) {
console.log("Loading web-socket-js flash bridge");
var extra = "<script src='web-socket-js/swfobject.js'><\/script>";
extra += "<script src='web-socket-js/FABridge.js'><\/script>";
extra += "<script src='web-socket-js/web_socket.js'><\/script>";
document.write(extra);
}
window.onload = function() {
WebSocket.__swfLocation = "web-socket-js/WebSocketMain.swf";
console.log("onload");
var url = document.location.href;
$('host').value = (url.match(/host=([^&#]*)/) || ['',''])[1];
$('port').value = (url.match(/port=([^&#]*)/) || ['',''])[1];
}
</script>
</html>