| <meta charset="UTF-8"> |
| <html> |
| <body> |
| |
| <img src="libwebsockets.org-logo.png"><br> |
| |
| LWS chat <b>minimal ws server example</b>.<br> |
| Chat is sent to all browsers open on this page. |
| <br> |
| <br> |
| <textarea id=r readonly cols=40 rows=10></textarea><br> |
| <input type="text" id=m cols=40 rows=1> |
| <button id=b onclick="sendmsg();">Send</button> |
| </body> |
| |
| |
| <script> |
| function get_appropriate_ws_url(extra_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('/'); |
| |
| /* + "/xxx" bit is for IE10 workaround */ |
| |
| return pcol + u[0] + "/" + extra_url; |
| } |
| |
| function new_ws(urlpath, protocol) |
| { |
| if (typeof MozWebSocket != "undefined") |
| return new MozWebSocket(urlpath, protocol); |
| |
| return new WebSocket(urlpath, protocol); |
| } |
| |
| ws = new_ws(get_appropriate_ws_url(""), "lws-minimal"); |
| try { |
| ws.onopen = function() { |
| document.getElementById("m").disabled = 0; |
| document.getElementById("b").disabled = 0; |
| } |
| |
| ws.onmessage =function got_packet(msg) { |
| document.getElementById("r").value = |
| document.getElementById("r").value + msg.data + "\n"; |
| document.getElementById("r").scrollTop = |
| document.getElementById("r").scrollHeight; |
| } |
| |
| ws.onclose = function(){ |
| document.getElementById("m").disabled = 1; |
| document.getElementById("b").disabled = 1; |
| } |
| } catch(exception) { |
| alert('<p>Error' + exception); |
| } |
| |
| function sendmsg() |
| { |
| ws.send(document.getElementById("m").value); |
| document.getElementById("m").value = ""; |
| } |
| |
| </script> |
| |
| </html> |
| |
