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<?php /** * File containing the ezcSystemInfoMacReader class * * @package SystemInformation * @version 1.0.8 * @copyright Copyright (C) 2005-2009 eZ Systems AS. All rights reserved. * @license http://ez.no/licenses/new_bsd New BSD License / /* * Provide functionality to read system information from Mac OS X systems. * * Try to scan Mac OS X system parameters on initialization and fill * correspondent values. * * @package SystemInformation * @version 1.0.8 / class ezcSystemInfoMacReader extends ezcSystemInfoReader { /* * Contains true if ezcSystemInfoReader object initialized * and system info successfully taken. * * @var bool / private $isValid = false; /* * Contains string that represents reader in messages and exceptions. * * @var string / protected $readerName = 'Mac system info reader'; /* * Stores properties that fetched form system once during construction. * * Read-only after initialization. If property set to true than it contains valid * value. Otherwise property is not set. * * Properties could be * 'cpu_count' * 'cpu_type' * 'cpu_speed' * 'memory_size' * * @var array(string) / private $validProperties = array(); /* * Contains the amount of CPUs in system. * * @var int / protected $cpuCount = null; /* * Contains the strings that represent type of CPU, * for each CPU in sysytem. Type is taken directly * from the OS and can vary a lot. * * @var array(string) / protected $cpuType = null; /* * Contains the speed of each CPU in MHz. * * @var array(float) / protected $cpuSpeed = null; /* * Contains the amount of system memory the OS has, the value is in bytes. * * @var int / protected $memorySize = null; /* * Constructs ezcSystemInfoReader object and fill it with system information. * * @throws ezcSystemInfoReaderCantScanOSException * If system variables can't be received from OS. / public function __construct() { if ( !$this->init() ) { throw new ezcSystemInfoReaderCantScanOSException( "<{$this->readerName}>: can't scan OS for system values." ); } } /* * Scans the OS and fills in the information internally. * * @return bool / private function init() { return $this->getOsInfo(); } /* * Returns true if the property $propertyName holds a valid value and false otherwise. * * @param string $propertyName * @return bool / public function isValid( $propertyName ) { if ( isset( $validProperties[$propertyName] ) ) { return true; } return false; } /* * Scans the OS and fills in the information internally. * * Returns true if it was able to scan the system or false if it failed. * * @return bool / private function getOsInfo() { // System profiler does not have all of these options for older releases than 10.4 of Mac OS X, so we only go forward if we have // version 10.4.x and up. $macOSXInfo = shell_exec( "defaults read /System/Library/CoreServices/SystemVersion 'ProductVersion'" ); $versionArray = explode( ".", $macOSXInfo ); $compatibleVersion = ( $versionArray[0] == 10 and $versionArray[1] >= 4 ); if ( !$compatibleVersion ) { return false; } $macInfo = array(); $supportedElements = array ( "cpu_type", "current_processor_speed", // "machine_name", We don't support this yet. // "number_processors", / Number CPU cores / This is not reported as of yet "packages", / Number of physical CPUS / "physical_memory" ); $allValuesDetected = false; $hwInfo = shell_exec( "system_profiler -xml -detailLevel mini SPHardwareDataType" ); $reader = new XMLReader(); $reader->XML( $hwInfo ); while ( $reader->read() ) { if ( $reader->nodeType != XMLReader::END_ELEMENT and ( $reader->name == "key" ) ) { $reader->read(); $key = $reader->value; if ( is_string( $key ) and in_array( $key, $supportedElements ) ) { do { $reader->read(); if ( $reader->name == "string" or $reader->name == "integer" ) { $reader->read(); $macInfo[$key] = $reader->value; } } while ( $reader->nodeType != XMLReader::ELEMENT and $reader->nodeType != XMLReader::TEXT ); foreach ( $supportedElements as $element ) { $allValuesDetected = array_key_exists( $element, $macInfo ); } if ( $allValuesDetected ) { break; } } } } $this->cpuType[] = $macInfo['cpu_type']; $this->validProperties['cpu_type'] = $this->cpuType; $this->cpuCount = (int)$macInfo['packages']; $this->validProperties['cpu_count'] = $this->cpuCount; preg_match( "#^([0-9]+([\.\|,][0-9])?) ([a-zA-Z]+)#", $macInfo['current_processor_speed'], $matches ); $cpuSpeed = (float)$matches[1]; $speedUnit = strtolower( $matches[3] ); unset( $matches ); // We are displaying in MHz if ( $speedUnit == 'mhz' ) { $cpuSpeed = 1; } else if ( $speedUnit == 'ghz' ) { $cpuSpeed = 1000; } $this->cpuSpeed[] = $cpuSpeed; $this->validProperties['cpu_speed'] = $this->cpuSpeed; if ( preg_match( "#^([0-9]+) ([a-zA-Z]+)#", $macInfo['physical_memory'], $matches ) ) { $memBytes = (int)$matches[1]; $unit = strtolower( $matches[2] ); if ( $unit == 'kb' ) { $memBytes = 1024; } else if ( $unit == 'mb' ) { $memBytes = 10241024; } else if ( $unit == 'gb' ) { $memBytes = 102410241024; } } else { $memBytes = (int)$memBytes; } $this->memorySize = $memBytes; $this->validProperties['memory_size'] = $this->memorySize; return true; } /** * Returns count of CPUs in system. * * If the CPU speed could not be read false is returned. * * @return int with count of CPUs in system or null. / public function getCpuCount() { return $this->cpuCount; } /* * Returns string with CPU speed. * * Average CPU speed returned if there is several CPUs is system * If the CPU speed could not be read null is returned. * * @return float with speed of CPU or null / public function cpuSpeed() { $totalSpeed = 0; foreach ( $this->cpuSpeed as $speed ) { $totalSpeed += $speed; } return $totalSpeed/$this->cpuCount; } /* * Returns string with CPU type. * * If the CPU type could not be read null is returned. * * @return string the CPU type or null / public function cpuType() { return $this->cpuType[0]; } /* * Returns memory size in bytes. * * If the memory size could not be read null is returned. * * @return int the memory size or null */ public function memorySize() { return $this->memorySize; } } ?>

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