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<?php
/**
* SMART Plugin
*
* PHP version 5
*
* @category PHP
* @package PSI_Plugin_SMART
* @author Antoine Bertin <diaoulael@users.sourceforge.net>
* @copyright 2009 phpSysInfo
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
* @version SVN: $Id: class.SMART.inc.php 552 2012-03-25 08:27:55Z namiltd $
* @link http://phpsysinfo.sourceforge.net
*/
/**
* SMART plugin, which displays all SMART informations available
*
* @category PHP
* @package PSI_Plugin_SMART
* @author Antoine Bertin <diaoulael@users.sourceforge.net>
* @copyright 2009 phpSysInfo
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
* @version Release: 3.0
* @link http://phpsysinfo.sourceforge.net
*/
class SMART extends PSI_Plugin
{
/**
* variable, which holds the content of the command
* @var array
*/
private $_filecontent = array();
/**
* variable, which holds the result before the xml is generated out of this array
* @var array
*/
private $_result = array();
/**
* variable, which holds PSI_PLUGIN_SMART_IDS well formated datas
* @var array
*/
private $_ids = array();
/**
* read the data into an internal array and also call the parent constructor
*
* @param String $enc target encoding
*/
public function __construct($enc)
{
parent::__construct(__CLASS__, $enc);
switch (PSI_PLUGIN_SMART_ACCESS) {
case 'command':
$disks = preg_split('/([\s]+)?,([\s]+)?/', PSI_PLUGIN_SMART_DEVICES, -1, PREG_SPLIT_NO_EMPTY);
foreach ($disks as $disk) {
$buffer = "";
if (CommonFunctions::executeProgram('smartctl', '--all'.((PSI_PLUGIN_SMART_DEVICE) ? ' --device '.PSI_PLUGIN_SMART_DEVICE : '').' '.$disk, $buffer, PSI_DEBUG)) {
$this->_filecontent[$disk] = $buffer;
}
}
$fullIds = preg_split('/([\s]+)?,([\s]+)?/', PSI_PLUGIN_SMART_IDS, -1, PREG_SPLIT_NO_EMPTY);
foreach ($fullIds as $fullId) {
$arrFullId = preg_split('/-/', $fullId);
$this->_ids[intval($arrFullId[0])] = strtolower($arrFullId[1]);
}
break;
case 'data':
$disks = preg_split('/([\s]+)?,([\s]+)?/', PSI_PLUGIN_SMART_DEVICES, -1, PREG_SPLIT_NO_EMPTY);
$dn=0;
foreach ($disks as $disk) {
$buffer="";
if ((CommonFunctions::rfts(APP_ROOT."/data/SMART{$dn}.txt", $buffer))&&(!empty($buffer))){
$this->_filecontent[$disk] = $buffer;
}
$dn++;
}
$fullIds = preg_split('/([\s]+)?,([\s]+)?/', PSI_PLUGIN_SMART_IDS, -1, PREG_SPLIT_NO_EMPTY);
foreach ($fullIds as $fullId) {
$arrFullId = preg_split('/-/', $fullId);
$this->_ids[intval($arrFullId[0])] = strtolower($arrFullId[1]);
}
break;
default:
$this->global_error->addError("switch(PSI_PLUGIN_SMART_ACCESS)", "Bad SMART configuration in SMART.config.php");
break;
}
}
/**
* doing all tasks to get the required informations that the plugin needs
* result is stored in an internal array
*
* @return void
*/
public function execute()
{
if ( empty($this->_filecontent) || empty($this->_ids)) {
return;
}
foreach ($this->_filecontent as $disk=>$result) {
// set the start and end offset in the result string at the beginning and end respectively
// just in case we don't find the two strings, so that it still works as expected.
$startIndex = 0;
$endIndex = 0;
$vendorInfos = "";
// locate the beginning string offset for the attributes
if ( preg_match('/(Vendor Specific SMART Attributes with Thresholds)/', $result, $matches, PREG_OFFSET_CAPTURE) )
$startIndex = $matches[0][1];
// locate the end string offset for the attributes, this is usually right before string "SMART Error Log Version" (hopefully every output has it!)
if ( preg_match('/(SMART Error Log Version)/', $result, $matches, PREG_OFFSET_CAPTURE) )
$endIndex = $matches[0][1];
if (($startIndex)&&($endIndex)&&($endIndex>$startIndex))
$vendorInfos = preg_split("/\n/", substr ( $result, $startIndex, $endIndex - $startIndex ));
if (!empty($vendorInfos)) {
$labels = preg_split('/[\s]+/', $vendorInfos[1]);
foreach ($labels as $k=>$v) {
$labels[$k] = str_replace('#', '', strtolower($v));
}
$i = 0; // Line number
foreach ($vendorInfos as $line) {
$line = preg_replace('/^[\s]+/', '', $line);
$values = preg_split('/[\s]+/', $line);
if (count($values) > count($labels)) {
$values = array_slice($values, 0, count($labels), true);
}
$j = 0;
$found = false;
foreach ($values as $value) {
if (((in_array($value, array_keys($this->_ids)) && $labels[$j] == 'id') || ($found && (in_array($labels[$j], array_values($this->_ids)))) || ($found && $labels[$j] == 'attribute_name'))) {
$this->_result[$disk][$i][$labels[$j]] = $value;
$found = true;
}
$j++;
}
$i++;
}
} else {
//SCSI devices
if ((!empty($this->_ids[1]))&&($this->_ids[1]=="raw_value")) {
preg_match('/read\: (.*)\n/', $result, $lines);
if ((!empty($lines))&&(!empty($lines[0]))) {
$values=preg_split('/[\s,]+/',$lines[0]);
if ((!empty($values))&&($values[7]!=null)){
$this->_result[$disk][0]['id'] = 1;
$this->_result[$disk][0]['attribute_name'] = "Raw_Read_Error_Rate";
$this->_result[$disk][0]['raw_value'] = $values[7];
}
}
}
if ((!empty($this->_ids[5]))&&($this->_ids[5]=="raw_value")) {
preg_match('/Elements in grown defect list\: (.*)\n/', $result, $lines);
if ((!empty($lines))&&(!empty($lines[0]))) {
$values=preg_split('/[\s,]+/',$lines[0]);
if ((!empty($values))&&($values[5]!=null)){
$this->_result[$disk][1]['id'] = 5;
$this->_result[$disk][1]['attribute_name'] = "Reallocated_Sector_Ct";
$this->_result[$disk][1]['raw_value'] = $values[5];
}
}
}
if ((!empty($this->_ids[9]))&&($this->_ids[9]=="raw_value")) {
preg_match('/ number of hours powered up = (.*)\n/', $result, $lines);
if ((!empty($lines))&&(!empty($lines[0]))) {
$values=preg_split('/[\s,.]+/',$lines[0]);
if ((!empty($values))&&($values[7]!=null)){
$this->_result[$disk][2]['id'] = 9;
$this->_result[$disk][2]['attribute_name'] = "Power_On_Hours";
$this->_result[$disk][2]['raw_value'] = $values[7];
}
}
}
if ((!empty($this->_ids[194]))&&($this->_ids[194]=="raw_value")) {
preg_match('/Current Drive Temperature\: (.*)\n/', $result, $lines);
if ((!empty($lines))&&(!empty($lines[0]))) {
$values=preg_split('/[\s,]+/',$lines[0]);
if ((!empty($values))&&($values[3]!=null)){
$this->_result[$disk][3]['id'] = 194;
$this->_result[$disk][3]['attribute_name'] = "Temperature_Celsius";
$this->_result[$disk][3]['raw_value'] = $values[3];
}
}
}
}
}
//Usage test
$newIds = array();
foreach ($this->_ids as $id=>$column_name) {
$found = 0;
foreach ($this->_result as $diskName=>$diskInfos) {
if ($found!=2) foreach ($diskInfos as $lineInfos) {
if ($found!=2) {
$found = 0;
foreach ($lineInfos as $label=>$value) {
if (($found==0)&&($label=="id")&&($value==$id))
$found = 1;
if (($found==1)&&($label==$column_name))
$found = 2;
}
}
}
}
if ($found==2) $newIds[$id] = $this->_ids[$id];
}
$this->_ids = $newIds;
}
/**
* generates the XML content for the plugin
*
* @return SimpleXMLObject entire XML content for the plugin
*/
public function xml()
{
if ( empty($this->_result) || empty($this->_ids)) {
return $this->xml->getSimpleXmlElement();
}
$columnsChild = $this->xml->addChild('columns');
// Fill the xml with preferences
foreach ($this->_ids as $id=>$column_name) {
$columnChild = $columnsChild->addChild('column');
$columnChild->addAttribute('id', $id);
$columnChild->addAttribute('name', $column_name);
}
$disksChild = $this->xml->addChild('disks');
// Now fill the xml with S.M.A.R.T datas
foreach ($this->_result as $diskName=>$diskInfos) {
$diskChild = $disksChild->addChild('disk');
$diskChild->addAttribute('name', $diskName);
foreach ($diskInfos as $lineInfos) {
$lineChild = $diskChild->addChild('attribute');
foreach ($lineInfos as $label=>$value) {
$lineChild->addAttribute($label, $value);
}
}
}
return $this->xml->getSimpleXmlElement();
}
}
?>