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pvvx 2017-04-22 16:54:00 +03:00
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WEBFiles/websock.htm Normal file
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<!DOCTYPE html>
<html><head>
<meta charset="charset=windows-1251" />
<link href="ws2.css" rel="stylesheet" type="text/css" />
<title>WebSocket Test</title></head>
<body><h2>WebSocket Test</h2>
<form name="publish">
<input type="button" id="OpCl" value="Open">
<input type="text" name="message" value="hellomsg">
<input type="submit" id="SndM" value="Send" disabled="1"><br>
</form>
<div id="console-div">
Log messages
<div id="consoleLog"></div>
<button id="clear">Clear Log</button>
</div></body>
<script language="javascript" type="text/javascript">
var $ = function(id){return document.getElementById(id);}
var wsUri = "ws://"+window.location.host.toString()+"/web.cgi";
var ws, wstt, wsopen = 0;
$("OpCl").onclick = function() {
if(wsopen) {
ws.close();
$("OpCl").value = "Open";
}
else {
ws = new WebSocket(wsUri);
log("CONNECT: " + ws.url);
ws.onopen = function(evt) {
$("OpCl").value = "Close";
$("SndM").disabled = false;
log("CONNECTED");
wstt = setTimeout(wsping, 2500);
};
ws.onclose = function(evt) {
log("CLOSED: ("+evt.code+") "+evt.reason);
clearTimeout(wstt);
wsopen = 0;
$("SndM").disabled = true;
};
ws.onerror = function(event) {
logError("ERROR (" + event.data +", "+ event.code +", "+ event.reason + ")");
wsopen = 0;
$("SndM").disabled = true;
};
// îáðàáîò÷èê âõîäÿùèõ ñîîáùåíèé
ws.onmessage = function(evt) {
var data = evt.data;
if (typeof(data) == "string") {
//text
if(data != "ws:pong") logResponse("RECEIVED TEXT: " + data);
}
else if (data.byteLength) {
//arraybuffer
var u = new Uint8Array(data);
var bytes = [];
for (var i=0; i<u.byteLength; i++) {
bytes.push(u[i]);
}
logResponse("RECEIVED ARRAY BUFFER: " + bytes);
}
else if (data.size) {
//blob
var cb = function(result) {
logResponse("RECEIVED BLOB: " + result);
};
}
else {
logResponse("RECEIVED UNKNOWN TYPE: " + data);
}
clearTimeout(wstt);
wstt = setTimeout(wsping, 2500);
}
wsopen = 1;
}
}
function wsping() {ws.send("ws:ping"); wstt = setTimeout(wsping, 2500);}
var consoleLog = $("consoleLog");
$("clear").onclick = function() {
while (consoleLog.childNodes.length > 0) {
consoleLog.removeChild(consoleLog.lastChild);
}
}
var log = function(message) {
var pre = document.createElement("pre");
pre.style.wordWrap = "break-word";
pre.innerHTML = message;
consoleLog.appendChild(pre);
consoleLog.scrollTop = consoleLog.scrollHeight;
while (consoleLog.childNodes.length > 25) {
consoleLog.removeChild(consoleLog.firstChild);
}
}
var logResponse = function(msg) {
log("<span style='color:blue'>"+msg+"</span>");
}
var logSend = function(msg) {
log("<span style='color:green'>"+msg+"</span>");
}
var logError = function(msg) {
log("<span style='color:red'>"+msg+"</span>");
}
document.forms.publish.onsubmit = function() {
clearTimeout(wstt);
try {
var text = this.message.value;
logSend("SEND TEXT: "+text);
ws.send(text);
} catch (e) {
logError("EXCEPTION: "+e);
}
wstt = setTimeout(wsping, 2500);
return false;
}
</script>
</html>