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<html>
<head>
<title>WebSocket</title>
<style>
html,body{font:normal 0.9em arial,helvetica;}
#log {width:440px; height:200px; border:1px solid #7F9DB9; overflow:auto;}
#msg {width:330px;}
</style>
<script>
var socket;
function init(){
var host = "ws://localhost:12345/echo";
try{
socket = new WebSocket(host);
log('WebSocket - status '+socket.readyState);
socket.onopen = function(msg){ log("Welcome - status "+this.readyState); };
socket.onmessage = function(msg){ log("Received: "+msg.data); };
socket.onclose = function(msg){ log("Disconnected - status "+this.readyState); };
}
catch(ex){ log(ex); }
$("msg").focus();
}
function send(){
var txt,msg;
txt = $("msg");
msg = txt.value;
if(!msg){ alert("Message can not be empty"); return; }
txt.value="";
txt.focus();
try{ socket.send(msg); log('Sent: '+msg); } catch(ex){ log(ex); }
}
function quit(){
log("Goodbye!");
socket.close();
socket=null;
}
// Utilities
function $(id){ return document.getElementById(id); }
function log(msg){ $("log").innerHTML+="<br>"+msg; }
function onkey(event){ if(event.keyCode==13){ send(); } }
</script>
</head>
<body onload="init()">
<h3>WebSocket v2.00</h3>
<div id="log"></div>
<input id="msg" type="textbox" onkeypress="onkey(event)"/>
<button onclick="send()">Send</button>
<button onclick="quit()">Quit</button>
<div>Server will echo your response!</div>
</body>
</html>
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