This utility shows you disk utilization for a given storage device.
It performs a SNMP walk to gather the storage spaces that your system has. Then you simply click on the storage unit and it will show you its capacity, used space & free space. Presentation of data is in text and a pie chart.
Default settings are the lpbk int (127.0.0.1) and community string is set to "public".
By : EvilivE
<?
function ListDevices(&$hostname, &$community){
echo "
<html>
<head>
<title>Storage Information</title>
<head>
<body>
<center>
<table cellpadding=0 cellspacing=0 border=1 width=100%>
<tr bgcolor=\"#e5e5e5\">
<td width=33% align=center>hrStorageIndex</td>
<td width=33% align=center>hrStorageType</td>
<td width=33% align=center>hrStorageDescr</td>
</tr>";
$hrStorageIndex = snmpwalk($hostname, $community, ".1.3.6.1.2.1.25.2.3.1.1");
$hrStorageType = snmpwalk($hostname, $community, ".1.3.6.1.2.1.25.2.3.1.2");
$hrStorageDescr = snmpwalk($hostname, $community, ".1.3.6.1.2.1.25.2.3.1.3");
for($i = 0; $i < sizeof($hrStorageIndex); $i++){
echo "
<tr>
<td width=33% align=center><a href=\"".$_SERVER["PHP_SELF"]."?action=2&storageindex=".$hrStorageIndex[$i]."\">".$hrStorageIndex[$i]."</a></td>
<td width=33% align=center>";
$type = substr($hrStorageType[$i], strlen($hrStorageType[$i]) - 1);
switch($type){
case 0:
echo "Network Disk";
break;
case 1:
echo "Other";
break;
case 2:
echo "Ram";
break;
case 3:
echo "Vrtual Memory";
break;
case 4:
echo "Fixed Disk";
break;
case 5:
echo "Removable Disk";
break;
case 6:
echo "Floppy Disk";
break;
case 7:
echo "Compact Disk";
break;
case 8:
echo "Ram Disk";
break;
case 9:
echo "Flash Memory";
break;
default:
echo "Unknown";
}
echo " </td>
<td width=33% align=center>".$hrStorageDescr[$i]."</td>
</tr>";
}
echo "
</table>
</center>
</body>
</html>";
}
function DetailedInfo(&$hostname, &$community, $storageIndex){
echo "
<html>
<head>
<title>Disk Usage</title>
</head>
<body>";
$hrStorageDescr = snmpget($hostname, $community, ".1.3.6.1.2.1.25.2.3.1.3.".$storageIndex);
$hrStorageSize = snmpget($hostname, $community, ".1.3.6.1.2.1.25.2.3.1.5.".$storageIndex);
$hrStorageUsed = snmpget($hostname, $community, ".1.3.6.1.2.1.25.2.3.1.6.".$storageIndex);
$hrStorageAllocationUnits = snmpget($hostname, $community, ".1.3.6.1.2.1.25.2.3.1.4.".$storageIndex);
$usedBytes = $hrStorageUsed * $hrStorageAllocationUnits;
$freeBytes = ($hrStorageSize - $hrStorageUsed) * $hrStorageAllocationUnits;
$capacity = $hrStorageSize * $hrStorageAllocationUnits;
$usedBytesPer = round(($usedBytes / $capacity) * 100, 2);
$freeBytesPer = round(($freeBytes / $capacity) * 100, 2);
$percentToImage = round(($usedBytes / $capacity) * 100);
echo "
<font face=\"Courier\" size=4 color=\"#000000\">
<center>
<table cellpadding=0 cellspacing=0 width=75% border=0>
<tr><td width=100% align=center colspan=4><b>".$hrStorageDescr."</b><br>Â </td></tr>";
if($capacity < 1073741824){
$usedMBytes = round($usedBytes / pow(2,20), 2);
$freeMBytes = round($freeBytes / pow(2,20), 2);
$capacityMBytes = round($capacity / pow(2,20), 2);
echo "
<tr>
<td width=20% align=right>Used Space:</td>
<td width=50% align=center>".number_format($usedBytes)." Bytes</td>
<td width=15% align=center>".$usedMBytes." MB</td>
<td width=15% align=center>".$usedBytesPer."%</td>
</tr>
<tr>
<td width=20% align=right>Free Space:</td>
<td width=50% align=center>".number_format($freeBytes)." Bytes</td>
<td width=15% align=center>".$freeMBytes." MB</td>
<td width=15% align=center>".$freeBytesPer."%</td>
</tr>
<tr>
<td width=20% align=right>Capacity:</td>
<td width=50% align=center>".number_format($capacity)." Bytes</td>
<td width=15% align=center>".$capacityMBytes." MB</td>
<td width=15% align=center>Â </td>
</tr>";
} else {
$usedGBytes = round($usedBytes / pow(2,30), 2);
$freeGBytes = round($freeBytes / pow(2,30), 2);
$capacityGBytes = round($capacity / pow(2,30), 2);
echo "
<tr>
<td width=20% align=right>Used Space:</td>
<td width=50% align=center>".number_format($usedBytes)." Bytes</td>
<td width=15% align=center>".$usedGBytes." GB</td>
<td width=15% align=center>".$usedBytesPer."%</td>
</tr>
<tr>
<td width=20% align=right>Free Space:</td>
<td width=50% align=center>".number_format($freeBytes)." Bytes</td>
<td width=15% align=center>".$freeGBytes." GB</td>
<td width=15% align=center>".$freeBytesPer."%</td>
</tr>
<tr>
<td width=20% align=right>Capacity:</td>
<td width=50% align=center>".number_format($capacity)." Bytes</td>
<td width=15% align=center>".$capacityGBytes." GB</td>
<td width=15% align=center>Â </td>
</tr>";
}
echo "
<tr>
<td width=100% align=center colspan=4>Â <p><img src=\"".$_SERVER["PHP_SELF"]."?action=3&percent=".$percentToImage."\"></td>
</tr>
</table>
</center>
</font>
</body>
</html>";
}
function GD2DPie($perUsed){
$perFree = 100 - $perUsed;
$endUsed_startFree = ceil((360 / 100) * $perUsed);
$img = imagecreate(300, 300);
$bg = imagecolorallocate($img, 255, 255, 255);
$usedColor = imagecolorallocate($img, 0, 0, 200);
$freeColor = imagecolorallocate($img, 225, 0, 200);
imagearc($img, 150, 150, 250, 250, 0, $endUsed_startFree, $usedColor);
imageline($img, 150, 150, 275, 150, $usedColor);
imageline($img, 150 + (cos(deg2rad($endUsed_startFree))*(250/2)), 150 + (sin(deg2rad($endUsed_startFree))*(250/2)), 150, 150, $usedColor);
imagefilltoborder($img, 150 + (cos(deg2rad(($endUsed_startFree)/2))*(250/4)), 150 + (sin(deg2rad(($endUsed_startFree)/2))*(250/4)), $usedColor, $usedColor);
imagearc($img, 150, 150, 250, 250, $endUsed_startFree, 360, $freeColor);
imageline($img, 150 + (cos(deg2rad($endUsed_startFree))*(250/2)), 150 + (sin(deg2rad($endUsed_startFree))*(250/2)), 150, 150, $freeColor);
imageline($img, 150, 150, 275, 150, $freeColor);
imagefilltoborder($img, 150 + (cos(deg2rad(($endUsed_startFree+360)/2))*(250/4)), 150 + (sin(deg2rad(($endUsed_startFree+360)/2))*(250/4)), $freeColor, $freeColor);
header("Content-type = image/png");
imagepng($img);
imagedestroy($img);
}
$hostname = "127.0.0.1"; // change this accordingly
$community = "public"; // public is default but most likely not "public"
if (empty($_GET["action"])){
$action = 1;
} else {
$action = $_GET["action"];
}
switch($action){
case 1:
ListDevices($hostname, $community);
break;
case 2:
DetailedInfo($hostname, $community, $_GET['storageindex']);
break;
case 3:
GD2DPie($_GET['percent']);
break;
default:
die("Unable to process request!");
}
?>
| DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware. |
More Miscellaneous Code Articles
More By Codewalkers
 developerWorks - FREE Tools!
|
Learn field-tested SOA principles, methodology, technology and implementation from the global SOA market leader - in a new e-book by an IBM SOA expert. Written by IBM Certified SOA Solution Designer Bobby Woolf, "Exploring IBM SOA Technology & Practice" is the ultimate insider's guide to SOA - a PDF e-book packed cover to cover with IBM's specific advice on how to make your SOA implementation a success.
FREE! Go There Now!
|
|
|
|
As businesses grow increasingly dependent upon Web applications to provide services to customers, employees and partners, these complex applications become more difficult to secure. Although traditional security solutions protect Internet infrastructure layers, they do not guard against HTTP and HTML attacks. Many organizations that conduct security testing still deploy applications that allow attackers to manipulate their logic and wreak havoc on their business. To mitigate this risk, development and delivery teams must address Web application security throughout the lifecycle, addressing the many layers detailed in this paper.
FREE! Go There Now!
|
|
|
|
Achieving true agility is a never-ending effort. We will showcase how you can become agile incrementally, a few practices at the time.Which practices should any agile team strive to adopt? What additional practices should you consider based on your needs to scale? Adopting practices are however made much easier with the right tool support. What about if your tools adapt to your practices? We will take a look at how the Jazz technology can be leveraged to make your process change the behavior of your tools.
FREE! Go There Now!
|
|
|
|
Download the IBM WebSphere Portal V6.1 beta code and learn more about the rich features and enhancements in IBM WebSphere Portal V6.1. WebSphere Portal provides a composite application or business mashup framework and the advanced tooling needed to build flexible, SOA-based solutions, and scalability to meet the needs of any size organization.
FREE! Go There Now!
|
|
|
|
Listen to this webcast to get an overview of Info 2.0 and a technical demo of how to quickly build an enterprise mashup. IBM's Info 2.0 technology leverages emerging Web 2.0 technologies such as mashups, feeds, AJAX, and JSON in order to simplify assembly of information using feeds and services. Come learn about the technical elements of Info 2.0 including the Feed Generation framework, Mashup Engine, and mashup assembly components. Learn how to pull information from databases, departmental information, and the Web to create mashups critical to your company’s success. We will also discuss best practices to help you get started.
FREE! Go There Now!
|
|
|
|
Join this Rational Talks to You teleconference on December 4 at 1:00 pm ET to discuss how Rational Method Composer can help meet your compliance objectives. Get your questions answered!
FREE! Go There Now!
|
|
|
|
Learn the basics of the IBM Customer Information Control System (CICS). With a hands-on exercise, learn how to get your first CICS application up and running on your desktop using TXSeries V6.1 for Windows. The tutorial shows you how to download and install a free trial version of TXSeries V6.1.
FREE! Go There Now!
|
|
|
|
Get a free trial download of the latest version of IBM Rational Method Composer V7.2 which helps you deliver customized yet consistent process guidance to your project teams and IT organization, and includes the latest version of IBM Rational Unified Process (RUP), which has provided process guidance to teams since 1996.
FREE! Go There Now!
|
|
|
|
Attend this launch webcast with Scott Hebner, Vice President of IBM Rational Marketing and Strategy, where he will overview Rational’s new offerings and programs to help customers accelerate software innovation on System z. He will discuss how these solutions help organizations extend their core business processes toward modern architectures such as SOA and web technologies to deliver business improvements that stand the test of time.
FREE! Go There Now!
|
|
|
|
With IBM Rational Systems Development Solution, you can deliver products faster with higher quality. Within this kit, Read the “Model Driven Systems Development” white paper to see how to improve product quality and communication. Then check out the rest of the e-Kit to learn more about important topics that can affect the success of any software project through customer examples, tutorials, informative Webcasts, and best practices for designing, building and managing systems. From start to finish, at every stage in your projects, Rational Systems Development Solution can help your company reach its full potential.
FREE! Go There Now!
|
|
|
|
All FREE IBM® developerWorks Tools!
|
