JavaScript / Opera Widget: Memory Hole

16.05.2007, 19:46

bei diesem von mir angepassten Opera Widget gibts irgendwo ein Memory-Leak, das ich einfach nicht aufspüre... d.H.: wenn man das Widget am Laufen hat, verbraucht Opera kontinuierlich mehr RAM bis es schließlich bei 100% RAM- und auch CPU-Auslastung angekommen ist.
Bin übers Wochenende in Italien klettern, kann also erst am Montag wieder antworten

Sourcecode:
config.xml:

Code:

<?xml version="1.0" encoding="utf-8"?>
<widget>
  <widgetname>ISC Infocon</widgetname>
  <description>
    The intent of the 'Infocon' is to reflect changes in malicious traffic and the possibility of disrupted connectivity.
  </description>
  <width>180</width>
  <height>30</height>
  <author>
    <name>Hans-Petter "Atluxity" Fjeld</name>
    <link>http://www.atluxity.no</link>
    <organization>Fjeld Data</organization>
  </author>
  <id>
    <host>atluxity.no</host>
    <name>ISC InfoCon</name>
    <revised>2006-04</revised>
  </id>
  <security>
    <access>
      <host>isc.sans.org</host>
      <port>80</port>
    </access>
  </security>
</widget>

index.html:

Code:

<!DOCTYPE html>
<html>
	<head onload=init(); >
		<title>ISC Infocon</title>
		<link rel="stylesheet" type="text/css" href="iscinfocon.css">
		<script type="text/javascript" src="iscinfocon.js"></script>
	</head>
	<body>
		<div id="icon">
		</div>
	</body>
</html>

iscinfocon.css:

Code:

body {
  width: 180px;
  height: 30px;
  margin: 0;
  padding: 0;
}
#icon{
  width: 180px;
  height: 30px;
  background: url(images/status_unknown.gif);
  opacity: 1.0;
}

iscinfocon.js:

Code:

window.addEventListener('load',function(ev){
//opera.postError("Loaded");
	get_infocon();
},false);

function get_infocon() {
//opera.postError("get infocon");
	setTimeout("get_infocon()",300000);

	var url = "http://isc.sans.org/infocon.txt";
	var request = new XMLHttpRequest();

	request.onreadystatechange = function() {   
		if( request.readyState == 4) {          
			var condition = request.responseText;
//opera.postError("Got " + condition +" from server");
			var con = condition.replace(/^\s+|\s+$/g,'');
			set_infocon(con);
		} // else opera.postError("Readystate is: " + request.readyState);
	}

	request.open("GET", url);
	request.send();

}

function set_infocon(color) {
setTimeout(get_infocon,60000)
// opera.postError("set_infocon("+color+")");       
	switch (color) {
		case "green":
// opera.postError("case green");
		document.getElementById("icon").style.background = "url(images/status_green.gif)";
		document.getElementById("icon").style.opacity = "1.0";
		break;
		case "yellow":
// opera.postError("case yellow");
		document.getElementById("icon").style.background = "url(images/status_yellow.gif)";
		document.getElementById("icon").style.opacity = "1.0";
		break;
		case "orange":
// opera.postError("case orange");
		document.getElementById("icon").style.background = "url(images/status_orange.gif)";
		document.getElementById("icon").style.opacity = "1.0";
		break;
		case "red":
// opera.postError("case red");
		document.getElementById("icon").style.background = "url(images/status_red.gif)";
		document.getElementById("icon").style.opacity = "1.0";
		break;
		default:
// opera.postError("case default");
		document.getElementById("icon").style.opacity = "1.0";
		break;
	}
}

vielen Dank im Voraus für eure Mühen.

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