test-server/test.html - platform/external/libwebsockets - Gitiles

 <!DOCTYPE html>
 <html lang="en">
 <head>
  <meta charset=utf-8 />
  <title>Minimal Websocket test app</title>
 </head>

 <body>
 <h2>libwebsockets "dumb-increment-protocol" test applet</h2>
 The incrementing number is coming from the server and is individual for
 each connection to the server... try opening a second browser window.
 Click the button to send the server a websocket message to
 reset the number.<br><br>

 <table>
 	<tr>
 		<td align=center><input type=button id=offset value="Reset counter" onclick="reset();" ></td>
 		<td width=100 align=center><div id=number> </div></td>
 		<td id=wsdi_statustd align=center><div id=wsdi_status>Not initialized</div></td>
 	</tr>
 </table>

 <h2>libwebsockets "lws-mirror-protocol" test applet</h2>
 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.
 <p>
 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.
 <p>libwebsockets-test-client spams circles on to this shared canvas when
 run.</p>
 <br><br>

 <table>
 	<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><div id=wslm_status>Not initialized</div></td>
 	</tr>
 	<tr>
 		<td colspan=2 width=500 align=center style="background-color: #e0e0e0;"><div id=wslm_drawing> </div></td>
 	</tr>
 </table>

 <script>
 	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 = 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 = new WebSocket(get_appropriate_ws_url(),
 				   "lws-mirror-protocol");
 	var color = "#000000";

 	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>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset=utf-8 />
	<title>Minimal Websocket test app</title>
	</head>

	<body>
	<h2>libwebsockets "dumb-increment-protocol" test applet</h2>
	The incrementing number is coming from the server and is individual for
	each connection to the server... try opening a second browser window.
	Click the button to send the server a websocket message to
	reset the number.<br><br>

	<table>
	<tr>
	<td align=center><input type=button id=offset value="Reset counter" onclick="reset();" ></td>
	<td width=100 align=center><div id=number> </div></td>
	<td id=wsdi_statustd align=center><div id=wsdi_status>Not initialized</div></td>
	</tr>
	</table>

	<h2>libwebsockets "lws-mirror-protocol" test applet</h2>
	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.
	<p>
	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.
	<p>libwebsockets-test-client spams circles on to this shared canvas when
	run.</p>
	<br><br>

	<table>
	<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><div id=wslm_status>Not initialized</div></td>
	</tr>
	<tr>
	<td colspan=2 width=500 align=center style="background-color: #e0e0e0;"><div id=wslm_drawing> </div></td>
	</tr>
	</table>

	<script>
	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 = 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 = new WebSocket(get_appropriate_ws_url(),
	"lws-mirror-protocol");
	var color = "#000000";

	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>