<?php
/**
 * WINNT System Class
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PSI WINNT OS class
 * @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.WINNT.inc.php 699 2012-09-15 11:57:13Z namiltd $
 * @link      http://phpsysinfo.sourceforge.net
 */
 /**
 * WINNT sysinfo class
 * get all the required information from WINNT systems
 * information are retrieved through the WMI interface
 *
 * @category  PHP
 * @package   PSI WINNT OS class
 * @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 WINNT extends OS
{
	/**
	 * holds the COM object that we pull all the WMI data from
	 *
	 * @var Object
	 */
	private $_wmi = null;

	/**
	 * holds all devices, which are in the system
	 *
	 * @var array
	 */
	private $_wmidevices;

	/**
	 * store language encoding of the system to convert some output to utf-8
	 *
	 * @var string
	 */
	private $_codepage = null;

	/**
	 * store language of the system
	 *
	 * @var string
	 */
	private $_syslang = null;

	/**
	 * build the global Error object and create the WMI connection
	 */
	public function __construct()
	{
		parent::__construct();
		// don't set this params for local connection, it will not work
		$strHostname = '';
		$strUser = '';
		$strPassword = '';
		try {
			// initialize the wmi object
			$objLocator = new COM('WbemScripting.SWbemLocator');
			if ($strHostname == "") {
				$this->_wmi = $objLocator->ConnectServer();
			} else {
				$this->_wmi = $objLocator->ConnectServer($strHostname, 'root\CIMv2', $strHostname.'\\'.$strUser, $strPassword);
			}
		} catch (Exception $e) {
			$this->error->addError("WMI connect error", "PhpSysInfo can not connect to the WMI interface for security reasons.\nCheck an authentication mechanism for the directory where phpSysInfo is installed.");
		}
		$this->_getCodeSet();
	}

	/**
	 * store the codepage of the os for converting some strings to utf-8
	 *
	 * @return void
	 */
	private function _getCodeSet()
	{
		$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_OperatingSystem', array('CodeSet', 'OSLanguage'));
		if ($buffer) {
			$this->_codepage = 'windows-'.$buffer[0]['CodeSet'];
			$lang = "";
			if (is_readable(APP_ROOT.'/data/languages.ini') && ($langdata = @parse_ini_file(APP_ROOT.'/data/languages.ini', true))) {
				if (isset($langdata['WINNT'][$buffer[0]['OSLanguage']])) {
					$lang = $langdata['WINNT'][$buffer[0]['OSLanguage']];
				}
			}
			if ($lang == "") {
				$lang = 'Unknown';
			}
			$this->_syslang = $lang.' ('.$buffer[0]['OSLanguage'].')';
		}
	}

	/**
	 * retrieve different device types from the system based on selector
	 *
	 * @param string $strType type of the devices that should be returned
	 *
	 * @return array list of devices of the specified type
	 */
	private function _devicelist($strType)
	{
		if (empty($this->_wmidevices)) {
			$this->_wmidevices = CommonFunctions::getWMI($this->_wmi, 'Win32_PnPEntity', array('Name', 'PNPDeviceID'));
		}
		$list = array();
		foreach ($this->_wmidevices as $device) {
			if (substr($device['PNPDeviceID'], 0, strpos($device['PNPDeviceID'], "\\") + 1) == ($strType."\\")) {
				$list[] = $device['Name'];
			}
		}

		return $list;
	}

	/**
	 * Host Name
	 *
	 * @return void
	 */
	private function _hostname()
	{
		if (PSI_USE_VHOST === true) {
			if ($hnm = getenv('SERVER_NAME')) $this->sys->setHostname($hnm);
		} else {
			$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_ComputerSystem', array('Name'));
			if ($buffer) {
				$result = $buffer[0]['Name'];
				$ip = gethostbyname($result);
				if ($ip != $result) {
					$long = ip2long($ip);
					if (($long >= 167772160 && $long <= 184549375) ||
						($long >= -1408237568 && $long <= -1407188993) ||
						($long >= -1062731776 && $long <= -1062666241) ||
						($long >= 2130706432 && $long <= 2147483647) || $long == -1) {
						$this->sys->setHostname($result); //internal ip
					} else {
						$this->sys->setHostname(gethostbyaddr($ip));
					}
				}
			} else {
				if ($hnm = getenv('COMPUTERNAME')) $this->sys->setHostname($hnm);
			}
		}
	}

	/**
	 * UpTime
	 * time the system is running
	 *
	 * @return void
	 */
	private function _uptime()
	{
		$result = 0;
		date_default_timezone_set('UTC');
		$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_OperatingSystem', array('LastBootUpTime', 'LocalDateTime'));
		if ($buffer) {
			$byear = intval(substr($buffer[0]['LastBootUpTime'], 0, 4));
			$bmonth = intval(substr($buffer[0]['LastBootUpTime'], 4, 2));
			$bday = intval(substr($buffer[0]['LastBootUpTime'], 6, 2));
			$bhour = intval(substr($buffer[0]['LastBootUpTime'], 8, 2));
			$bminute = intval(substr($buffer[0]['LastBootUpTime'], 10, 2));
			$bseconds = intval(substr($buffer[0]['LastBootUpTime'], 12, 2));
			$lyear = intval(substr($buffer[0]['LocalDateTime'], 0, 4));
			$lmonth = intval(substr($buffer[0]['LocalDateTime'], 4, 2));
			$lday = intval(substr($buffer[0]['LocalDateTime'], 6, 2));
			$lhour = intval(substr($buffer[0]['LocalDateTime'], 8, 2));
			$lminute = intval(substr($buffer[0]['LocalDateTime'], 10, 2));
			$lseconds = intval(substr($buffer[0]['LocalDateTime'], 12, 2));
			$boottime = mktime($bhour, $bminute, $bseconds, $bmonth, $bday, $byear);
			$localtime = mktime($lhour, $lminute, $lseconds, $lmonth, $lday, $lyear);
			$result = $localtime - $boottime;
			$this->sys->setUptime($result);
		}
	}

	/**
	 * Number of Users
	 *
	 * @return void
	 */
	protected function _users()
	{
		if (CommonFunctions::executeProgram("quser", "", $strBuf, false) && (strlen($strBuf) > 0)) {
				$lines = preg_split('/\n/', $strBuf);
				$users = count($lines)-1;
		} else {
			$users = 0;
			$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_Process', array('Caption'));
			foreach ($buffer as $process) {
				if (strtoupper($process['Caption']) == strtoupper('explorer.exe')) {
					$users++;
				}
			}
		}
		$this->sys->setUsers($users);
	}

	/**
	 * Distribution
	 *
	 * @return void
	 */
	private function _distro()
	{
		$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_OperatingSystem', array('Version', 'ServicePackMajorVersion', 'Caption', 'OSArchitecture'));
		if ($buffer) {
			$kernel = $buffer[0]['Version'];
			if ($buffer[0]['ServicePackMajorVersion'] > 0) {
				$kernel .= ' SP'.$buffer[0]['ServicePackMajorVersion'];
			}
			if (isset($buffer[0]['OSArchitecture']) && preg_match("/^(\d+)/", $buffer[0]['OSArchitecture'], $bits)) {
				$this->sys->setKernel($kernel.' ('.$bits[1].'-bit)');
			} elseif (($allCpus = CommonFunctions::getWMI($this->_wmi, 'Win32_Processor', array('AddressWidth'))) && isset($allCpus[0]['AddressWidth'])) {
				$this->sys->setKernel($kernel.' ('.$allCpus[0]['AddressWidth'].'-bit)');
			} else {
				$this->sys->setKernel($kernel);
			}
			$this->sys->setDistribution($buffer[0]['Caption']);

			if ((($kernel[1] == ".") && ($kernel[0] <5)) || (substr($kernel, 0, 4) == "5.0."))
				$icon = 'Win2000.png';
			elseif ((substr($kernel, 0, 4) == "6.0.") || (substr($kernel, 0, 4) == "6.1."))
				$icon = 'WinVista.png';
			elseif ((substr($kernel, 0, 4) == "6.2.") || (substr($kernel, 0, 4) == "6.3.") || (substr($kernel, 0, 4) == "6.4.") || (substr($kernel, 0, 5) == "10.0."))
				$icon = 'Win8.png';
			else $icon = 'WinXP.png';
			$this->sys->setDistributionIcon($icon);
		} elseif (CommonFunctions::executeProgram("cmd", "/c ver 2>nul", $ver_value, false)) {
			if (preg_match("/ReactOS\r?\nVersion\s+(.+)/", $ver_value, $ar_temp)) {
				$this->sys->setDistribution("ReactOS");
				$this->sys->setKernel($ar_temp[1]);
				$this->sys->setDistributionIcon('ReactOS.png');
			} elseif (preg_match("/^(Microsoft [^\[]*)\s*\[\D*\s*(.+)\]/", $ver_value, $ar_temp)) {
				$this->sys->setDistribution($ar_temp[1]);
				$this->sys->setKernel($ar_temp[2]);
				$this->sys->setDistributionIcon('Win2000.png');
			} else {
				$this->sys->setDistribution("WinNT");
				$this->sys->setDistributionIcon('Win2000.png');
			}
		} else {
			$this->sys->setDistribution("WinNT");
			$this->sys->setDistributionIcon('Win2000.png');
		}
	}

	/**
	 * Processor Load
	 * optionally create a loadbar
	 *
	 * @return void
	 */
	private function _loadavg()
	{
		$loadavg = "";
		$sum = 0;
		$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_Processor', array('LoadPercentage'));
		if ($buffer) {
			foreach ($buffer as $load) {
				$value = $load['LoadPercentage'];
				$loadavg .= $value.' ';
				$sum += $value;
			}
			$this->sys->setLoad(trim($loadavg));
			if (PSI_LOAD_BAR) {
				$this->sys->setLoadPercent($sum / count($buffer));
			}
		}
	}

	/**
	 * CPU information
	 *
	 * @return void
	 */
	private function _cpuinfo()
	{
		$allCpus = CommonFunctions::getWMI($this->_wmi, 'Win32_Processor', array('Name', 'L2CacheSize', 'CurrentClockSpeed', 'ExtClock', 'NumberOfCores', 'MaxClockSpeed'));
		foreach ($allCpus as $oneCpu) {
			$coreCount = 1;
			if (isset($oneCpu['NumberOfCores'])) {
				$coreCount = $oneCpu['NumberOfCores'];
			}
			for ($i = 0; $i < $coreCount; $i++) {
				$cpu = new CpuDevice();
				$cpu->setModel($oneCpu['Name']);
				$cpu->setCache($oneCpu['L2CacheSize'] * 1024);
				$cpu->setCpuSpeed($oneCpu['CurrentClockSpeed']);
				$cpu->setBusSpeed($oneCpu['ExtClock']);
				if ($oneCpu['CurrentClockSpeed'] < $oneCpu['MaxClockSpeed']) $cpu->setCpuSpeedMax($oneCpu['MaxClockSpeed']);
				$this->sys->setCpus($cpu);
			}
		}
	}

	/**
	 * Machine information
	 *
	 * @return void
	 */
	private function _machine()
	{
		$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_ComputerSystem', array('Manufacturer', 'Model'));
		if ($buffer) {
			$buf = "";
			if (isset($buffer[0]['Manufacturer'])) {
				$buf .= ' '.$buffer[0]['Manufacturer'];
			}
			if (isset($buffer[0]['Model'])) {
				$buf .= ' '.$buffer[0]['Model'];
			}
			if (trim($buf) != "") {
				$this->sys->setMachine(trim($buf));
			}
		}
	}

	/**
	 * Hardwaredevices
	 *
	 * @return void
	 */
	private function _hardware()
	{
		foreach ($this->_devicelist('PCI') as $pciDev) {
			$dev = new HWDevice();
			$dev->setName($pciDev);
			$this->sys->setPciDevices($dev);
		}

		foreach ($this->_devicelist('IDE') as $ideDev) {
			$dev = new HWDevice();
			$dev->setName($ideDev);
			$this->sys->setIdeDevices($dev);
		}

		foreach ($this->_devicelist('SCSI') as $scsiDev) {
			$dev = new HWDevice();
			$dev->setName($scsiDev);
			$this->sys->setScsiDevices($dev);
		}

		foreach ($this->_devicelist('USB') as $usbDev) {
			$dev = new HWDevice();
			$dev->setName($usbDev);
			$this->sys->setUsbDevices($dev);
		}
	}

	/**
	 * Network devices
	 *
	 * @return void
	 */
	private function _network()
	{
		$allDevices = CommonFunctions::getWMI($this->_wmi, 'Win32_PerfRawData_Tcpip_NetworkInterface', array('Name', 'BytesSentPersec', 'BytesTotalPersec', 'BytesReceivedPersec', 'PacketsReceivedErrors', 'PacketsReceivedDiscarded', 'CurrentBandwidth'));
		$allNetworkAdapterConfigurations = CommonFunctions::getWMI($this->_wmi, 'Win32_NetworkAdapterConfiguration', array('Description', 'MACAddress', 'IPAddress', 'SettingID'));
		$allNetworkAdapter = CommonFunctions::getWMI($this->_wmi, 'Win32_NetworkAdapter', array('Name', 'GUID', 'Speed'));

		foreach ($allDevices as $device) {
			$dev = new NetDevice();
			$name = $device['Name'];

			if (preg_match('/^isatap\.({[A-Fa-f0-9\-]*})/', $name, $ar_name)) { //isatap device
				foreach ($allNetworkAdapterConfigurations as $NetworkAdapterConfiguration) {
					if ($ar_name[1]==$NetworkAdapterConfiguration['SettingID']) {
						$dev->setName($NetworkAdapterConfiguration['Description']);
						if (defined('PSI_SHOW_NETWORK_INFOS') && PSI_SHOW_NETWORK_INFOS) {
							$dev->setInfo(preg_replace('/:/', '-', strtoupper($NetworkAdapterConfiguration['MACAddress'])));
							if (isset($NetworkAdapterConfiguration['IPAddress']))
								foreach ($NetworkAdapterConfiguration['IPAddress'] as $ipaddres)
									if (($ipaddres!="0.0.0.0") && ($ipaddres!="::") && !preg_match('/^fe80::/i', $ipaddres))
										$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').strtolower($ipaddres));
						}

						break;
					}
				}
				if (defined('PSI_SHOW_NETWORK_INFOS') && PSI_SHOW_NETWORK_INFOS) {
					$speedinfo = null;
					foreach ($allNetworkAdapter as $NetworkAdapter) {
						if ($ar_name[1]==$NetworkAdapter['GUID']) {
							if (!empty($NetworkAdapter['Speed']) && ($NetworkAdapter['Speed']!=="9223372036854775807")) {
								if ($NetworkAdapter['Speed'] > 1000000000) {
									$speedinfo = ($NetworkAdapter['Speed']/1000000000)."Gb/s";
								} else {
									$speedinfo = ($NetworkAdapter['Speed']/1000000)."Mb/s";
								}
							}
							 break;
						}
					}
					if (($speedinfo !== null) && ($speedinfo !== "")) {
						$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').$speedinfo);
					} elseif (($speedinfo = $device['CurrentBandwidth']) >= 1000000) {
						$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').($speedinfo/1000000)."Mb/s");
					}
				}
			}
			if ($dev->getName() == "") { //no isatap or no isatap description
				$cname=preg_replace('/[^A-Za-z0-9]/', '_', $name); //convert to canonical
				if (preg_match('/\s-\s([^-]*)$/', $name, $ar_name))
					$name=substr($name, 0, strlen($name)-strlen($ar_name[0]));
				$dev->setName($name);

				if (defined('PSI_SHOW_NETWORK_INFOS') && PSI_SHOW_NETWORK_INFOS) {
					foreach ($allNetworkAdapterConfigurations as $NetworkAdapterConfiguration) {
						if (preg_replace('/[^A-Za-z0-9]/', '_', $NetworkAdapterConfiguration['Description']) === $cname) {
							if ($dev->getInfo() !== null) {
								$dev->setInfo(''); //multiple with the same name
							} else {
								$dev->setInfo(preg_replace('/:/', '-', strtoupper($NetworkAdapterConfiguration['MACAddress'])));
								if (isset($NetworkAdapterConfiguration['IPAddress']))
									foreach ($NetworkAdapterConfiguration['IPAddress'] as $ipaddres)
										if (($ipaddres!="0.0.0.0") && !preg_match('/^fe80::/i', $ipaddres))
											$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').strtolower($ipaddres));
							}
						}
					}
					$speedinfo = null;
					foreach ($allNetworkAdapter as $NetworkAdapter) {
						if (preg_replace('/[^A-Za-z0-9]/', '_', $NetworkAdapter['Name']) === $cname) {
							if ($speedinfo !== null) {
								$speedinfo = ""; //multiple with the same name
							} else {
								if (!empty($NetworkAdapter['Speed']) && ($NetworkAdapter['Speed']!=="9223372036854775807")) {
									if ($NetworkAdapter['Speed'] > 1000000000) {
										$speedinfo = ($NetworkAdapter['Speed']/1000000000)."Gb/s";
									} else {
										$speedinfo = ($NetworkAdapter['Speed']/1000000)."Mb/s";
									}
								} else {
									$speedinfo = "";
								}
							}
						}
					}
					if (($speedinfo !== null) && ($speedinfo !== "")) {
						$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').$speedinfo);
					} elseif (($speedinfo = $device['CurrentBandwidth']) >= 1000000) {
						$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').($speedinfo/1000000)."Mb/s");
					}
				}
			}

			// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/wmisdk/wmi/win32_perfrawdata_tcpip_networkinterface.asp
			// there is a possible bug in the wmi interfaceabout uint32 and uint64: http://www.ureader.com/message/1244948.aspx, so that
			// magative numbers would occour, try to calculate the nagative value from total - positive number
			$txbytes = $device['BytesSentPersec'];
			$rxbytes = $device['BytesReceivedPersec'];
			if (($txbytes < 0) && ($rxbytes < 0)) {
				$txbytes += 4294967296;
				$rxbytes += 4294967296;
			} elseif ($txbytes < 0) {
				if ($device['BytesTotalPersec'] > $rxbytes)
				   $txbytes = $device['BytesTotalPersec'] - $rxbytes;
				else $txbytes += 4294967296;
			} elseif ($rxbytes < 0) {
				if ($device['BytesTotalPersec'] > $txbytes)
				   $rxbytes = $device['BytesTotalPersec'] - $txbytes;
				else $rxbytes += 4294967296;
			}
			$dev->setTxBytes($txbytes);
			$dev->setRxBytes($rxbytes);
			$dev->setErrors($device['PacketsReceivedErrors']);
			$dev->setDrops($device['PacketsReceivedDiscarded']);

			$this->sys->setNetDevices($dev);
		}
	}

	/**
	 * Physical memory information and Swap Space information
	 *
	 * @link http://msdn2.microsoft.com/En-US/library/aa394239.aspx
	 * @link http://msdn2.microsoft.com/en-us/library/aa394246.aspx
	 * @return void
	 */
	private function _memory()
	{
		$buffer = CommonFunctions::getWMI($this->_wmi, "Win32_OperatingSystem", array('TotalVisibleMemorySize', 'FreePhysicalMemory'));
		if ($buffer) {
			$this->sys->setMemTotal($buffer[0]['TotalVisibleMemorySize'] * 1024);
			$this->sys->setMemFree($buffer[0]['FreePhysicalMemory'] * 1024);
			$this->sys->setMemUsed($this->sys->getMemTotal() - $this->sys->getMemFree());
		}
		$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_PageFileUsage');
		foreach ($buffer as $swapdevice) {
			$dev = new DiskDevice();
			$dev->setName("SWAP");
			$dev->setMountPoint($swapdevice['Name']);
			$dev->setTotal($swapdevice['AllocatedBaseSize'] * 1024 * 1024);
			$dev->setUsed($swapdevice['CurrentUsage'] * 1024 * 1024);
			$dev->setFree($dev->getTotal() - $dev->getUsed());
			$dev->setFsType('swap');
			$this->sys->setSwapDevices($dev);
		}
	}

	/**
	 * filesystem information
	 *
	 * @return void
	 */
	private function _filesystems()
	{
		$typearray = array('Unknown', 'No Root Directory', 'Removable Disk', 'Local Disk', 'Network Drive', 'Compact Disc', 'RAM Disk');
		$floppyarray = array('Unknown', '5 1/4 in.', '3 1/2 in.', '3 1/2 in.', '3 1/2 in.', '3 1/2 in.', '5 1/4 in.', '5 1/4 in.', '5 1/4 in.', '5 1/4 in.', '5 1/4 in.', 'Other', 'HD', '3 1/2 in.', '3 1/2 in.', '5 1/4 in.', '5 1/4 in.', '3 1/2 in.', '3 1/2 in.', '5 1/4 in.', '3 1/2 in.', '3 1/2 in.', '8 in.');
		$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_LogicalDisk', array('Name', 'Size', 'FreeSpace', 'FileSystem', 'DriveType', 'MediaType'));
		foreach ($buffer as $filesystem) {
			$dev = new DiskDevice();
			$dev->setMountPoint($filesystem['Name']);
			$dev->setFsType($filesystem['FileSystem']);
			if ($filesystem['Size'] > 0) {
				$dev->setTotal($filesystem['Size']);
				$dev->setFree($filesystem['FreeSpace']);
				$dev->setUsed($filesystem['Size'] - $filesystem['FreeSpace']);
			}
			if ($filesystem['MediaType'] != "" && $filesystem['DriveType'] == 2) {
				$dev->setName($typearray[$filesystem['DriveType']]." (".$floppyarray[$filesystem['MediaType']].")");
			} else {
				$dev->setName($typearray[$filesystem['DriveType']]);
			}
			$this->sys->setDiskDevices($dev);
		}
		if (!$buffer && ($this->sys->getDistribution()=="ReactOS")) {
			// test for command 'free' on current disk
			if (CommonFunctions::executeProgram("cmd", "/c free 2>nul", $out_value, true)) {
				for ($letter='A'; $letter!='AA'; $letter++) if (CommonFunctions::executeProgram("cmd", "/c free ".$letter.": 2>nul", $out_value, false)) {
					if (preg_match('/\n\s*([\d\.\,]+).*\n\s*([\d\.\,]+).*\n\s*([\d\.\,]+).*$/', $out_value, $out_dig)) {
						$size = preg_replace('/(\.)|(\,)/', '', $out_dig[1]);
						$used = preg_replace('/(\.)|(\,)/', '', $out_dig[2]);
						$free = preg_replace('/(\.)|(\,)/', '', $out_dig[3]);
						if ($used + $free == $size) {
							$dev = new DiskDevice();
							$dev->setMountPoint($letter.":");
							$dev->setFsType('Unknown');
							$dev->setTotal($size);
							$dev->setFree($free);
							$dev->setUsed($used);
							$this->sys->setDiskDevices($dev);
						}
					}
				}
			}
		}
	}

	/**
	 * get os specific encoding
	 *
	 * @see OS::getEncoding()
	 *
	 * @return string
	 */
	public function getEncoding()
	{
		return $this->_codepage;
	}

	/**
	 * get os specific language
	 *
	 * @see OS::getLanguage()
	 *
	 * @return string
	 */
	public function getLanguage()
	{
		return $this->_syslang;
	}

	public function _processes()
	{
		$processes['*'] = 0;
		if (CommonFunctions::executeProgram("qprocess", "*", $strBuf, false) && (strlen($strBuf) > 0)) {
			$lines = preg_split('/\n/', $strBuf);
			$processes['*'] = (count($lines)-1) - 3 ; //correction for process "qprocess *"
		}
		if ($processes['*'] <= 0) {
			$buffer = CommonFunctions::getWMI($this->_wmi, 'Win32_Process', array('Caption'));
			$processes['*'] = count($buffer);
		}
		$processes[' '] = $processes['*'];
		$this->sys->setProcesses($processes);
	}


	/**
	 * get the information
	 *
	 * @see PSI_Interface_OS::build()
	 *
	 * @return Void
	 */
	public function build()
	{
		$this->_distro();
		if ($this->sys->getDistribution()=="ReactOS") {
			$this->error->addError("WARN", "The ReactOS version of phpSysInfo is a work in progress, some things currently don't work");
		}
		$this->_hostname();
		$this->_users();
		$this->_machine();
		$this->_uptime();
		$this->_cpuinfo();
		$this->_network();
		$this->_hardware();
		$this->_filesystems();
		$this->_memory();
		$this->_loadavg();
		$this->_processes();
	}
}