test-server/test.html

<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset=utf-8 http-equiv="Content-Language" content="en"/>
 <title>Minimal Websocket test app</title>
<style type="text/css">
	div.title { font-size:18pt; font: Arial; font-weight:normal; text-align:center; color:#000000; }
	.browser { font-size:18pt; font: Arial; font-weight:normal; text-align:center; color:#ffff00; vertical-align:middle; text-align:center; background:#d0b070; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px;}
	.group2 { width:600px; vertical-align:middle; text-align:center; background:#f0f0e0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
	.explain { vertical-align:middle; text-align:center; background:#f0f0c0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; color:#404000; }
	.content { vertical-align:top; text-align:center; background:#fffff0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
	.canvas { vertical-align:top; text-align:center; background:#efefd0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
</style>
</head>

<body>
<header></header>
<article>

<table><tr><td>

<table width="100%"><tr><td valign=middle align=center><a href="http://libwebsockets.org"><img src="/libwebsockets.org-logo.png"></a></td><td>
<section class="browser">Detected Browser: <div id=brow>...</div></section></td></tr></table>

</td></tr><tr><td>

<section id="increment" class="group2">
<div class="title">libwebsockets "dumb-increment-protocol"</div>
<table><tr><td>
<table class="content" width="200px">
		<tr><td align=center><input type=button id=offset value="Reset counter" onclick="reset();" ></td></tr>
		<tr><td width=200px align=center><div id=number> </div></td></tr>
		<tr><td id=wsdi_statustd align=center class="explain"><div id=wsdi_status>Not initialized</div></td></tr>
	</tr>
</table>
</td><td class="explain">
The incrementing number is coming from the server and is individual for
each connection to the server... try opening a second browser window.
<br/><br/>
The button zeros just this connection's number.
<br/><br/>
Click <a href="/leaf.jpg" target="_blank">Here</a> to have the test server send a big picture by http.
</td></tr></table>
</section>
<br>
<section id="mirror" class="group2">
<div class="title">libwebsockets "lws-mirror-protocol"</div>
<div class="explain">
Use the mouse to draw on the canvas below -- all other browser windows open
on this page see your drawing in realtime and you can see any of theirs as
well.
<br/><br/>
The lws-mirror protocol doesn't interpret what is being sent to it, it just
re-sends it to every other websocket it has a connection with using that
protocol, including the guy who sent the packet.
<br/><br/>
<b>libwebsockets-test-client</b> joins in by spamming circles on to this shared canvas when
run.
</div>
<table class="content">
	<tr>
		<td>Drawing color:
		<select id="color" onchange="update_color();">
			<option value=#000000>Black</option>
			<option value=#0000ff>Blue</option>
			<option value=#20ff20>Green</option>
			<option value=#802020>Dark Red</option>
		</select>
		</td>
		<td id=wslm_statustd align=center class="explain"><div id=wslm_status>Not initialized</div></td>
	</tr>
	<tr>
		<td colspan=2 width=500 class="content">
		<div id="wslm_drawing">
		</div></td>
	</tr>
</table>
</section>

</td></tr><tr><td>
Looking for support? <a href="http://libwebsockets.org">http://libwebsockets.org</a><br/>
Join the mailing list: ​<a href="http://ml.libwebsockets.org/mailman/listinfo/libwebsockets">http://ml.libwebsockets.org/mailman/listinfo/libwebsockets</a>

</td></tr></table>

</article>

<script>

/* BrowserDetect came from http://www.quirksmode.org/js/detect.html */

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{
			string: navigator.userAgent,
			subString: "Chrome",
			identity: "Chrome"
		},
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari",
			versionSearch: "Version"
		},
		{
			prop: window.opera,
			identity: "Opera",
			versionSearch: "Version"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			   string: navigator.userAgent,
			   subString: "iPhone",
			   identity: "iPhone/iPod"
	    },
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

document.getElementById("brow").textContent = " " + BrowserDetect.browser + " "
	+ BrowserDetect.version +" " + BrowserDetect.OS +" ";

	var pos = 0;

function get_appropriate_ws_url()
{
	var pcol;
	var u = document.URL;

	/*
	 * We open the websocket encrypted if this page came on an
	 * https:// url itself, otherwise unencrypted
	 */

	if (u.substring(0, 5) == "https") {
		pcol = "wss://";
		u = u.substr(8);
	} else {
		pcol = "ws://";
		if (u.substring(0, 4) == "http")
			u = u.substr(7);
	}

	u = u.split('/');

	return pcol + u[0];
}


document.getElementById("number").textContent = get_appropriate_ws_url();

/* dumb increment protocol */
	
	var socket_di;

	if (typeof MozWebSocket != "undefined") {
		socket_di = new MozWebSocket(get_appropriate_ws_url(),
				   "dumb-increment-protocol");
	} else {
		socket_di = new WebSocket(get_appropriate_ws_url(),
				   "dumb-increment-protocol");
	}


	try {
		socket_di.onopen = function() {
			document.getElementById("wsdi_statustd").style.backgroundColor = "#40ff40";
			document.getElementById("wsdi_status").textContent = " websocket connection opened ";
		} 

		socket_di.onmessage =function got_packet(msg) {
			document.getElementById("number").textContent = msg.data + "\n";
		} 

		socket_di.onclose = function(){
			document.getElementById("wsdi_statustd").style.backgroundColor = "#ff4040";
			document.getElementById("wsdi_status").textContent = " websocket connection CLOSED ";
		}
	} catch(exception) {
		alert('<p>Error' + exception);  
	}

function reset() {
	socket_di.send("reset\n");
}


/* lws-mirror protocol */

	var down = 0;
	var no_last = 1;
	var last_x = 0, last_y = 0;
	var ctx;
	var socket_lm;
	var color = "#000000";

	if (typeof MozWebSocket != "undefined") {
		socket_lm = new MozWebSocket(get_appropriate_ws_url(),
				   "lws-mirror-protocol");
	} else {
		socket_lm = new WebSocket(get_appropriate_ws_url(),
				   "lws-mirror-protocol");
	}


	try {
		socket_lm.onopen = function() {
			document.getElementById("wslm_statustd").style.backgroundColor = "#40ff40";
			document.getElementById("wslm_status").textContent = " websocket connection opened ";
		} 

		socket_lm.onmessage =function got_packet(msg) {
			j = msg.data.split(';');
			f = 0;
			while (f < j.length - 1) {
				i = j[f].split(' ');
				if (i[0] == 'd') {
					ctx.strokeStyle = i[1];
					ctx.beginPath();
					ctx.moveTo(+(i[2]), +(i[3]));
					ctx.lineTo(+(i[4]), +(i[5]));
					ctx.stroke();
				}
				if (i[0] == 'c') {
					ctx.strokeStyle = i[1];
					ctx.beginPath();
					ctx.arc(+(i[2]), +(i[3]), +(i[4]), 0, Math.PI*2, true); 
					ctx.stroke();
				}

				f++;
			}
		}

		socket_lm.onclose = function(){
			document.getElementById("wslm_statustd").style.backgroundColor = "#ff4040";
			document.getElementById("wslm_status").textContent = " websocket connection CLOSED ";
		}
	} catch(exception) {
		alert('<p>Error' + exception);  
	}

	var canvas = document.createElement('canvas');
	canvas.height = 300;
	canvas.width = 480;
	ctx = canvas.getContext("2d");

	document.getElementById('wslm_drawing').appendChild(canvas);

	canvas.addEventListener('mousemove', ev_mousemove, false);
	canvas.addEventListener('mousedown', ev_mousedown, false);
	canvas.addEventListener('mouseup', ev_mouseup, false);

	offsetX = offsetY = 0;
	element = canvas;
      if (element.offsetParent) {
        do {
          offsetX += element.offsetLeft;
          offsetY += element.offsetTop;
        } while ((element = element.offsetParent));
      }
 
function update_color() {
	color = document.getElementById("color").value;
}

function ev_mousedown (ev) {
	down = 1;
}

function ev_mouseup(ev) {
	down = 0;
	no_last = 1;
}

function ev_mousemove (ev) {
	var x, y;

	if (ev.offsetX) {
		x = ev.offsetX;
		y = ev.offsetY;
	} else {
		x = ev.layerX - offsetX;
		y = ev.layerY - offsetY;

	}

	if (!down)
		return;
	if (no_last) {
		no_last = 0;
		last_x = x;
		last_y = y;
		return;
	}
	socket_lm.send("d " + color + " " + last_x + " " + last_y + " " + x + ' ' + y + ';');

	last_x = x;
	last_y = y;
}


</script>

</body>
</html>