smeserver-phpsysinfo/root/opt/phpsysinfo/plugins/psstatus/class.psstatus.inc.php

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<?php
/**
* PSStatus Plugin
*
* PHP version 5
*
* @category PHP
* @package PSI_Plugin_PSStatus
* @author Michael Cramer <BigMichi1@users.sourceforge.net>
* @copyright 2009 phpSysInfo
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License
* @version SVN: $Id: class.psstatus.inc.php 692 2012-09-08 17:12:08Z namiltd $
* @link http://phpsysinfo.sourceforge.net
*/
/**
* process Plugin, which displays the status of configured processes
* a simple view which shows a process name and the status
* status determined by calling the "pidof" command line utility, another way is to provide
* a file with the output of the pidof utility, so there is no need to run a executeable by the
* webserver, the format of the command is written down in the phpsysinfo.ini file, where also
* the method of getting the information is configured
* processes that should be checked are also defined in phpsysinfo.ini
*
* @category PHP
* @package PSI_Plugin_PSStatus
* @author Michael Cramer <BigMichi1@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 PSStatus 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();
/**
* 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 (strtolower(PSI_PLUGIN_PSSTATUS_ACCESS)) {
case 'command':
if (PSI_OS == 'WINNT') {
try {
$objLocator = new COM("WbemScripting.SWbemLocator");
$wmi = $objLocator->ConnectServer();
$process_wmi = $wmi->InstancesOf('Win32_Process');
foreach ($process_wmi as $process) {
$this->_filecontent[] = array(strtolower(trim($process->Caption)), trim($process->ProcessId));
}
} catch (Exception $e) {
}
} else {
if (defined('PSI_PLUGIN_PSSTATUS_PROCESSES') && is_string(PSI_PLUGIN_PSSTATUS_PROCESSES)) {
if (preg_match(ARRAY_EXP, PSI_PLUGIN_PSSTATUS_PROCESSES)) {
$processes = eval(PSI_PLUGIN_PSSTATUS_PROCESSES);
} else {
$processes = array(PSI_PLUGIN_PSSTATUS_PROCESSES);
}
if (defined('PSI_PLUGIN_PSSTATUS_USE_REGEX') && PSI_PLUGIN_PSSTATUS_USE_REGEX === true) {
foreach ($processes as $process) {
CommonFunctions::executeProgram("pgrep", "-n -x ".$process, $buffer, PSI_DEBUG);
if (strlen(trim($buffer)) > 0) {
$this->_filecontent[] = array($process, trim($buffer));
}
}
} else {
foreach ($processes as $process) {
CommonFunctions::executeProgram("pidof", "-s ".$process, $buffer, PSI_DEBUG);
if (strlen(trim($buffer)) > 0) {
$this->_filecontent[] = array($process, trim($buffer));
}
}
}
}
}
break;
case 'data':
CommonFunctions::rfts(APP_ROOT."/data/psstatus.txt", $buffer);
$processes = preg_split("/\n/", $buffer, -1, PREG_SPLIT_NO_EMPTY);
foreach ($processes as $process) {
$ps = preg_split("/[\s]?\|[\s]?/", $process, -1, PREG_SPLIT_NO_EMPTY);
if (count($ps) == 2) {
$this->_filecontent[] = array(trim($ps[0]), trim($ps[1]));
}
}
break;
default:
$this->global_error->addError("switch(PSI_PLUGIN_PSSTATUS_ACCESS)", "Bad psstatus configuration in phpsysinfo.ini");
break;
}
}
/**
* doing all tasks to get the required informations that the plugin needs
* result is stored in an internal array<br>the array is build like a tree,
* so that it is possible to get only a specific process with the childs
*
* @return void
*/
public function execute()
{
if (empty($this->_filecontent)) {
return;
}
if (defined('PSI_PLUGIN_PSSTATUS_PROCESSES') && is_string(PSI_PLUGIN_PSSTATUS_PROCESSES)) {
if (preg_match(ARRAY_EXP, PSI_PLUGIN_PSSTATUS_PROCESSES)) {
$processes = eval(PSI_PLUGIN_PSSTATUS_PROCESSES);
} else {
$processes = array(PSI_PLUGIN_PSSTATUS_PROCESSES);
}
if ((PSI_OS == 'WINNT') && (strtolower(PSI_PLUGIN_PSSTATUS_ACCESS) == 'command')) {
foreach ($processes as $process) {
if ($this->_recursiveinarray(strtolower($process), $this->_filecontent)) {
$this->_result[] = array($process, true);
} else {
$this->_result[] = array($process, false);
}
}
} else {
foreach ($processes as $process) {
if ($this->_recursiveinarray($process, $this->_filecontent)) {
$this->_result[] = array($process, true);
} else {
$this->_result[] = array($process, false);
}
}
}
}
}
/**
* generates the XML content for the plugin
*
* @return SimpleXMLElement entire XML content for the plugin
*/
public function xml()
{
foreach ($this->_result as $ps) {
$xmlps = $this->xml->addChild("Process");
$xmlps->addAttribute("Name", $ps[0]);
$xmlps->addAttribute("Status", $ps[1] ? 1 : 0);
}
return $this->xml->getSimpleXmlElement();
}
/**
* checks an array recursive if an value is in, extended version of in_array()
*
* @param mixed $needle what to find
* @param array $haystack where to find
*
* @return boolean true - found<br>false - not found
*/
private function _recursiveinarray($needle, $haystack)
{
foreach ($haystack as $stalk) {
if ($needle == $stalk || (is_array($stalk) && $this->_recursiveinarray($needle, $stalk))) {
return true;
}
}
return false;
}
}