/**
* Get system memory capacity on windows systems
*
* @return array
* @throws Exception\RuntimeException
*/
protected static function getSystemMemoryCapacityWin()
{
if (function_exists('win32_ps_stat_mem')) {
$memstat = win32_ps_stat_mem();
} elseif (!function_exists('exec')) {
throw new Exception\RuntimeException("Missing php extension 'win32ps' and the build-in function 'exec' is disabled");
} else {
// call [DIR]\_win\GlobalMemoryStatus.exe
$cmd = escapeshellarg(__DIR__ . DIRECTORY_SEPARATOR . '_win' . DIRECTORY_SEPARATOR . 'GlobalMemoryStatus.exe');
$out = $ret = null;
$line = exec($cmd, $out, $ret);
if ($ret) {
$out = implode("\n", $out);
throw new Exception\RuntimeException("Command '{$cmd}' failed" . ", return: '{$ret}'" . ", output: '{$out}'");
} elseif (!($memstat = @unserialize($line))) {
$err = error_get_last();
$out = implode("\n", $out);
throw new Exception\RuntimeException("Can't parse output of command '{$cmd}'" . ": {$err['message']}" . ", output: '{$out}'");
}
}
if (!isset($memstat['total_phys'], $memstat['avail_phys'])) {
throw new Exception\RuntimeException("Can't detect memory status");
}
return array('total' => $memstat['total_phys'], 'free' => $memstat['avail_phys']);
}
/**
* Scans the OS and fills in the information internally.
* Returns true if it was able to scan the system or false if it failed.
*
* @param string $dmesgPath path to the source of system information in OS
* @return bool
*/
private function getOsInfo()
{
// query contents of CentralProcessor section.
$output = shell_exec("reg query HKLM\\HARDWARE\\DESCRIPTION\\SYSTEM\\CentralProcessor");
$outputStrings = explode("\n", $output);
// In first two items of output strings we have the signature of reg.exe utility
// and path to CentralProcessor section than list of subsections paths follows.
// One subsection represent info for one CPU.
// Name of each subsection is index of CPU starting from 0.
if (is_array($outputStrings) && count($outputStrings) > 2) {
$this->cpuCount = count($outputStrings) - 2;
// cpuCount is amount of subsections, output header skipped.
for ($i = 0; $i < $this->cpuCount; $i++) {
$output = shell_exec("reg query HKLM\\HARDWARE\\DESCRIPTION\\SYSTEM\\CentralProcessor\\{$i} /v ProcessorNameString");
preg_match("/ProcessorNameString\\s*\\S*\\s*(.*)/", $output, $matches);
if (isset($matches[1])) {
$this->cpuType[] = $matches[1];
$this->validProperties['cpuType'] = $this->cpuType;
}
unset($matches);
$output = shell_exec("reg query HKLM\\HARDWARE\\DESCRIPTION\\SYSTEM\\CentralProcessor\\{$i} /v ~MHz");
preg_match("/~MHz\\s*\\S*\\s*(\\S*)/", $output, $matches);
if (isset($matches[1])) {
$this->cpuSpeed[] = (double) hexdec($matches[1]) . '.0';
// force to be float value
$this->validProperties['cpu_count'] = $this->cpuCount;
$this->validProperties['cpu_speed'] = $this->cpuSpeed;
}
unset($matches);
}
}
// if no php_win32ps.dll extension installed than scanning of
// Total Physical memory is not supported.
// It's could be implemented on WinXP and Win2003 using call to
// Windows Management Instrumentation (WMI) service like "wmic memphysical"
// (should be researched in details) or with help of some free third party
// utility like psinfo.exe from SysInternals ( www.sysinternals.com ).
if (ezcBaseFeatures::hasExtensionSupport('win32ps')) {
$memInfo = win32_ps_stat_mem();
$this->memorySize = $memInfo['total_phys'] * $memInfo['unit'];
$this->validProperties['memory_size'] = $this->memorySize;
}
return true;
}
