1<!DOCTYPE html> 2 3<html lang="en"> 4<head> 5 <meta charset="utf-8" /> 6 <title>Spy WS test</title> 7 <style> 8 hr {color:sienna;} 9 body { 10 background-color:#b0c4de; 11 font:normal 16px/20px "Helvetica Neue", Helvetica, sans-serif; 12 } 13 #command { 14 width:70%; 15 } 16 #status { 17 background-color:#0094ff; 18 width:50%; 19 padding:4px; 20 } 21 </style> 22</head> 23<body> 24<header><h1>mojo spy</h1></header> 25 <form> 26 <input type="text" id="command" placeholder="enter spy command + enter" /> 27 </form> 28 <p id="status">status: no connection</p> 29 <p id="log">...</p> 30 <script> 31 function openConnection() { 32 if (conn.readyState === undefined || conn.readyState > 1) { 33 conn = new WebSocket('ws://127.0.0.1:42424'); 34 conn.onopen = function () { 35 state.innerHTML = 'connected @port 42424'; 36 }; 37 conn.onmessage = function (event) { 38 var message = event.data; 39 log.innerHTML = message; 40 }; 41 conn.onclose = function (event) { 42 state.innerHTML = 'connection closed'; 43 }; 44 conn.onerror = function (event) { 45 state.innerHTML = 'got error'; 46 }; 47 } 48 } 49 50 var addEvent = (function () { 51 if (document.addEventListener) { 52 return function (el, type, fn) { 53 if (el && el.nodeName || el === window) { 54 el.addEventListener(type, fn, false); 55 } else if (el && el.length) { 56 for (var i = 0; i < el.length; i++) { 57 addEvent(el[i], type, fn); 58 } 59 } 60 }; 61 } else { 62 return function (el, type, fn) { 63 if (el && el.nodeName || el === window) { 64 el.attachEvent('on' + type, function () { return fn.call(el, window.event); }); 65 } else if (el && el.length) { 66 for (var i = 0; i < el.length; i++) { 67 addEvent(el[i], type, fn); 68 } 69 } 70 }; 71 } 72 })(); 73 74 var log = document.getElementById('log'); 75 var cmd = document.getElementById('command'); 76 var form = cmd.form; 77 var conn = {}; 78 var state = document.getElementById('status'); 79 80 if (window.WebSocket === undefined) { 81 state.innerHTML = 'websockets not supported'; 82 } else { 83 addEvent(form, 'submit', function (event) { 84 event.preventDefault(); 85 if (conn.readyState === 1) { 86 conn.send(JSON.stringify(cmd.value)); 87 log.innerHTML = 'data sent'; 88 cmd.value = ''; 89 } 90 }); 91 92 openConnection(); 93 } 94 </script> 95</body> 96</html> 97