4 <meta charset=utf-8 http-equiv="Content-Language" content="en"/>
5 <title>Minimal Websocket test app</title>
6 <style type="text/css">
7 div.title { font-size:18pt; font: Arial; font-weight:normal; text-align:center; color:#000000; }
8 .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;}
9 .group2 { width:600px; vertical-align:middle; text-align:center; background:#f0f0e0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
10 .explain { vertical-align:middle; text-align:center; background:#f0f0c0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; color:#404000; }
11 .content { vertical-align:top; text-align:center; background:#fffff0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
12 .canvas { vertical-align:top; text-align:center; background:#efefd0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
22 <table width="100%"><tr><td valign=middle align=center><a href="http://libwebsockets.org"><img src="/libwebsockets.org-logo.png"></a></td><td>
23 <section class="browser">Detected Browser: <div id=brow>...</div></section></td></tr></table>
27 <section id="increment" class="group2">
28 <div class="title">libwebsockets "dumb-increment-protocol"</div>
30 <table class="content" width="200px">
31 <tr><td align=center><input type=button id=offset value="Reset counter" onclick="reset();" ></td></tr>
32 <tr><td width=200px align=center><div id=number> </div></td></tr>
33 <tr><td id=wsdi_statustd align=center class="explain"><div id=wsdi_status>Not initialized</div></td></tr>
36 </td><td class="explain">
37 The incrementing number is coming from the server and is individual for
38 each connection to the server... try opening a second browser window.
40 Click the button to send the server a websocket message to
45 <section id="mirror" class="group2">
46 <div class="title">libwebsockets "lws-mirror-protocol"</div>
48 Use the mouse to draw on the canvas below -- all other browser windows open
49 on this page see your drawing in realtime and you can see any of theirs as
52 The lws-mirror protocol doesn't interpret what is being sent to it, it just
53 re-sends it to every other websocket it has a connection with using that
54 protocol, including the guy who sent the packet.
56 <b>libwebsockets-test-client</b> joins in by spamming circles on to this shared canvas when
59 <table class="content">
62 <select id="color" onchange="update_color();">
63 <option value=#000000>Black</option>
64 <option value=#0000ff>Blue</option>
65 <option value=#20ff20>Green</option>
66 <option value=#802020>Dark Red</option>
69 <td id=wslm_statustd align=center class="explain"><div id=wslm_status>Not initialized</div></td>
72 <td colspan=2 width=500 class="content">
73 <div id="wslm_drawing">
80 Looking for support? <a href="http://libwebsockets.org">http://libwebsockets.org</a><br/>
81 Join the mailing list: <a href="http://ml.libwebsockets.org/mailman/listinfo/libwebsockets">http://ml.libwebsockets.org/mailman/listinfo/libwebsockets</a>
89 /* BrowserDetect came from http://www.quirksmode.org/js/detect.html */
93 this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
94 this.version = this.searchVersion(navigator.userAgent)
95 || this.searchVersion(navigator.appVersion)
96 || "an unknown version";
97 this.OS = this.searchString(this.dataOS) || "an unknown OS";
99 searchString: function (data) {
100 for (var i=0;i<data.length;i++) {
101 var dataString = data[i].string;
102 var dataProp = data[i].prop;
103 this.versionSearchString = data[i].versionSearch || data[i].identity;
105 if (dataString.indexOf(data[i].subString) != -1)
106 return data[i].identity;
109 return data[i].identity;
112 searchVersion: function (dataString) {
113 var index = dataString.indexOf(this.versionSearchString);
114 if (index == -1) return;
115 return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
119 string: navigator.userAgent,
123 { string: navigator.userAgent,
124 subString: "OmniWeb",
125 versionSearch: "OmniWeb/",
129 string: navigator.vendor,
132 versionSearch: "Version"
137 versionSearch: "Version"
140 string: navigator.vendor,
145 string: navigator.vendor,
147 identity: "Konqueror"
150 string: navigator.userAgent,
151 subString: "Firefox",
155 string: navigator.vendor,
159 { // for newer Netscapes (6+)
160 string: navigator.userAgent,
161 subString: "Netscape",
165 string: navigator.userAgent,
167 identity: "Explorer",
168 versionSearch: "MSIE"
171 string: navigator.userAgent,
176 { // for older Netscapes (4-)
177 string: navigator.userAgent,
178 subString: "Mozilla",
179 identity: "Netscape",
180 versionSearch: "Mozilla"
185 string: navigator.platform,
190 string: navigator.platform,
195 string: navigator.userAgent,
197 identity: "iPhone/iPod"
200 string: navigator.platform,
207 BrowserDetect.init();
209 document.getElementById("brow").textContent = " " + BrowserDetect.browser + " "
210 + BrowserDetect.version +" " + BrowserDetect.OS +" ";
214 function get_appropriate_ws_url()
217 var u = document.URL;
220 * We open the websocket encrypted if this page came on an
221 * https:// url itself, otherwise unencrypted
224 if (u.substring(0, 5) == "https") {
229 if (u.substring(0, 4) == "http")
239 document.getElementById("number").textContent = get_appropriate_ws_url();
241 /* dumb increment protocol */
245 if (typeof MozWebSocket != "undefined") {
246 socket_di = new MozWebSocket(get_appropriate_ws_url(),
247 "dumb-increment-protocol");
249 socket_di = new WebSocket(get_appropriate_ws_url(),
250 "dumb-increment-protocol");
255 socket_di.onopen = function() {
256 document.getElementById("wsdi_statustd").style.backgroundColor = "#40ff40";
257 document.getElementById("wsdi_status").textContent = " websocket connection opened ";
260 socket_di.onmessage =function got_packet(msg) {
261 document.getElementById("number").textContent = msg.data + "\n";
264 socket_di.onclose = function(){
265 document.getElementById("wsdi_statustd").style.backgroundColor = "#ff4040";
266 document.getElementById("wsdi_status").textContent = " websocket connection CLOSED ";
269 alert('<p>Error' + exception);
273 socket_di.send("reset\n");
277 /* lws-mirror protocol */
281 var last_x = 0, last_y = 0;
284 var color = "#000000";
286 if (typeof MozWebSocket != "undefined") {
287 socket_lm = new MozWebSocket(get_appropriate_ws_url(),
288 "lws-mirror-protocol");
290 socket_lm = new WebSocket(get_appropriate_ws_url(),
291 "lws-mirror-protocol");
296 socket_lm.onopen = function() {
297 document.getElementById("wslm_statustd").style.backgroundColor = "#40ff40";
298 document.getElementById("wslm_status").textContent = " websocket connection opened ";
301 socket_lm.onmessage =function got_packet(msg) {
302 j = msg.data.split(';');
304 while (f < j.length - 1) {
307 ctx.strokeStyle = i[1];
309 ctx.moveTo(+(i[2]), +(i[3]));
310 ctx.lineTo(+(i[4]), +(i[5]));
314 ctx.strokeStyle = i[1];
316 ctx.arc(+(i[2]), +(i[3]), +(i[4]), 0, Math.PI*2, true);
324 socket_lm.onclose = function(){
325 document.getElementById("wslm_statustd").style.backgroundColor = "#ff4040";
326 document.getElementById("wslm_status").textContent = " websocket connection CLOSED ";
329 alert('<p>Error' + exception);
332 var canvas = document.createElement('canvas');
335 ctx = canvas.getContext("2d");
337 document.getElementById('wslm_drawing').appendChild(canvas);
339 canvas.addEventListener('mousemove', ev_mousemove, false);
340 canvas.addEventListener('mousedown', ev_mousedown, false);
341 canvas.addEventListener('mouseup', ev_mouseup, false);
343 offsetX = offsetY = 0;
345 if (element.offsetParent) {
347 offsetX += element.offsetLeft;
348 offsetY += element.offsetTop;
349 } while ((element = element.offsetParent));
352 function update_color() {
353 color = document.getElementById("color").value;
356 function ev_mousedown (ev) {
360 function ev_mouseup(ev) {
365 function ev_mousemove (ev) {
372 x = ev.layerX - offsetX;
373 y = ev.layerY - offsetY;
385 socket_lm.send("d " + color + " " + last_x + " " + last_y + " " + x + ' ' + y + ';');