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<?php
/**
* Linux System Class
*
* PHP version 5
*
* @category PHP
* @package PSI_OS
* @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.Linux.inc.php 558 2012-04-03 09:42:42Z namiltd $
* @link http://phpsysinfo.sourceforge.net
*/
/**
* Linux sysinfo class
* get all the required information from Linux system
*
* @category PHP
* @package PSI_OS
* @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 Linux extends OS
{
/**
* call parent constructor
*/
public function __construct()
{
parent::__construct();
}
/**
* Hostname
*
* @return void
*/
private function _hostname()
{
if (PSI_USE_VHOST === true) {
$this->sys->setHostname(getenv('SERVER_NAME'));
} else {
if (CommonFunctions::rfts('/proc/sys/kernel/hostname', $result, 1)) {
$result = trim($result);
$ip = gethostbyname($result);
if ($ip != $result) {
$this->sys->setHostname(gethostbyaddr($ip));
}
}
}
}
/**
* IP
*
* @return void
*/
private function _ip()
{
if (PSI_USE_VHOST === true) {
$this->sys->setIp(gethostbyname($this->_hostname()));
} else {
if (!($result = $_SERVER['SERVER_ADDR'])) {
$this->sys->setIp(gethostbyname($this->_hostname()));
} else {
$this->sys->setIp($result);
}
}
}
/**
* Kernel Version
*
* @return void
*/
private function _kernel()
{
if (CommonFunctions::executeProgram('uname', '-r', $strBuf, PSI_DEBUG)) {
$result = trim($strBuf);
if (CommonFunctions::executeProgram('uname', '-v', $strBuf, PSI_DEBUG)) {
if (preg_match('/SMP/', $strBuf)) {
$result .= ' (SMP)';
}
}
if (CommonFunctions::executeProgram('uname', '-m', $strBuf, PSI_DEBUG)) {
$result .= ' '.trim($strBuf);
}
$this->sys->setKernel($result);
} else {
if (CommonFunctions::rfts('/proc/version', $strBuf, 1)) {
if (preg_match('/version (.*?) /', $strBuf, $ar_buf)) {
$result = $ar_buf[1];
if (preg_match('/SMP/', $strBuf)) {
$result .= ' (SMP)';
}
$this->sys->setKernel($result);
}
}
}
}
/**
* UpTime
* time the system is running
*
* @return void
*/
private function _uptime()
{
CommonFunctions::rfts('/proc/uptime', $buf, 1);
$ar_buf = preg_split('/ /', $buf);
$this->sys->setUptime(trim($ar_buf[0]));
}
/**
* Number of Users
*
* @return void
*/
private function _users()
{
if (CommonFunctions::executeProgram('who', '-q', $strBuf, PSI_DEBUG)) {
$arrWho = preg_split('/=/', $strBuf);
$this->sys->setUsers($arrWho[1]);
}
}
/**
* Processor Load
* optionally create a loadbar
*
* @return void
*/
private function _loadavg()
{
if (CommonFunctions::rfts('/proc/loadavg', $buf)) {
$result = preg_split("/\s/", $buf, 4);
// don't need the extra values, only first three
unset($result[3]);
$this->sys->setLoad(implode(' ', $result));
}
if (PSI_LOAD_BAR) {
$this->sys->setLoadPercent($this->_parseProcStat('cpu'));
}
}
/**
* fill the load for a individual cpu, through parsing /proc/stat for the specified cpu
*
* @param String $cpuline cpu for which load should be meassured
*
* @return Integer
*/
private function _parseProcStat($cpuline)
{
$load = 0;
$load2 = 0;
$total = 0;
$total2 = 0;
if (CommonFunctions::rfts('/proc/stat', $buf)) {
$lines = preg_split("/\n/", $buf, -1, PREG_SPLIT_NO_EMPTY);
foreach ($lines as $line) {
if (preg_match('/^'.$cpuline.' (.*)/', $line, $matches)) {
$ab = 0;
$ac = 0;
$ad = 0;
$ae = 0;
sscanf($buf, "%*s %Ld %Ld %Ld %Ld", $ab, $ac, $ad, $ae);
$load = $ab + $ac + $ad; // cpu.user + cpu.sys
$total = $ab + $ac + $ad + $ae; // cpu.total
break;
}
}
}
// we need a second value, wait 1 second befor getting (< 1 second no good value will occour)
if(PSI_LOAD_BAR) {
sleep(1);
}
if (CommonFunctions::rfts('/proc/stat', $buf)) {
$lines = preg_split("/\n/", $buf, -1, PREG_SPLIT_NO_EMPTY);
foreach ($lines as $line) {
if (preg_match('/^'.$cpuline.' (.*)/', $line, $matches)) {
$ab = 0;
$ac = 0;
$ad = 0;
$ae = 0;
sscanf($buf, "%*s %Ld %Ld %Ld %Ld", $ab, $ac, $ad, $ae);
$load2 = $ab + $ac + $ad;
$total2 = $ab + $ac + $ad + $ae;
break;
}
}
}
if ($total > 0 && $total2 > 0 && $load > 0 && $load2 > 0 && $total2 != $total && $load2 != $load) {
return (100 * ($load2 - $load)) / ($total2 - $total);
}
return 0;
}
/**
* CPU information
* All of the tags here are highly architecture dependant.
*
* @return void
*/
private function _cpuinfo()
{
if (CommonFunctions::rfts('/proc/cpuinfo', $bufr)) {
$processors = preg_split('/\s?\n\s?\n/', trim($bufr));
foreach ($processors as $processor) {
$dev = new CpuDevice();
$details = preg_split("/\n/", $processor, -1, PREG_SPLIT_NO_EMPTY);
foreach ($details as $detail) {
$arrBuff = preg_split('/\s+:\s+/', trim($detail));
if (count($arrBuff) == 2) {
switch (strtolower($arrBuff[0])) {
case 'processor':
if(PSI_LOAD_BAR) {
$dev->setLoad($this->_parseProcStat('cpu'.trim($arrBuff[1])));
}
break;
case 'model name':
case 'cpu':
$dev->setModel($arrBuff[1]);
break;
case 'cpu mhz':
case 'clock':
$dev->setCpuSpeed($arrBuff[1]);
break;
case 'cycle frequency [hz]':
$dev->setCpuSpeed($arrBuff[1] / 1000000);
break;
case 'cpu0clktck':
$dev->setCpuSpeed(hexdec($arrBuff[1]) / 1000000); // Linux sparc64
break;
case 'l2 cache':
case 'cache size':
$dev->setCache(preg_replace("/[a-zA-Z]/", "", $arrBuff[1]) * 1024);
break;
case 'bogomips':
case 'cpu0bogo':
$dev->setBogomips($arrBuff[1]);
break;
case 'flags':
if(preg_match("/vmx/",$arrBuff[1])) {
$dev->setVirt("vmx");
}
else if(preg_match("/smv/",$arrBuff[1])) {
$dev->setVirt("smv");
}
break;
}
}
}
// sparc64 specific code follows
// This adds the ability to display the cache that a CPU has
// Originally made by Sven Blumenstein <bazik@gentoo.org> in 2004
// Modified by Tom Weustink <freshy98@gmx.net> in 2004
$sparclist = array('SUNW,UltraSPARC@0,0', 'SUNW,UltraSPARC-II@0,0', 'SUNW,UltraSPARC@1c,0', 'SUNW,UltraSPARC-IIi@1c,0', 'SUNW,UltraSPARC-II@1c,0', 'SUNW,UltraSPARC-IIe@0,0');
foreach ($sparclist as $name) {
if (CommonFunctions::rfts('/proc/openprom/'.$name.'/ecache-size', $buf, 1, 32, false)) {
$dev->setCache(base_convert($buf, 16, 10));
}
}
// sparc64 specific code ends
// XScale detection code
if ($dev->getModel() === "") {
foreach ($details as $detail) {
$arrBuff = preg_split('/\s+:\s+/', trim($detail));
if (count($arrBuff) == 2) {
switch (strtolower($arrBuff[0])) {
case 'processor':
$dev->setModel($arrBuff[1]);
break;
case 'bogomips':
$dev->setCpuSpeed($arrBuff[1]); //BogoMIPS are not BogoMIPS on this CPU, it's the speed
$dev->setBogomips(null); // no BogoMIPS available, unset previously set BogoMIPS
break;
case 'i size':
case 'd size':
if ($dev->getCache() === null) {
$dev->setCache($arrBuff[1] * 1024);
} else {
$dev->setCache($dev->getCache() + ($arrBuff[1] * 1024));
}
break;
}
}
}
}
if (CommonFunctions::rfts('/proc/acpi/thermal_zone/THRM/temperature', $buf, 1, 4096, false)) {
$dev->setTemp(substr($buf, 25, 2));
}
if ($dev->getModel() === "") {
$dev->setModel("unknown");
}
$this->sys->setCpus($dev);
}
}
}
/**
* PCI devices
*
* @return void
*/
private function _pci()
{
if (!$arrResults = Parser::lspci()) {
if (CommonFunctions::rfts('/proc/pci', $strBuf, 0, 4096, false)) {
$booDevice = false;
$arrBuf = preg_split("/\n/", $strBuf, -1, PREG_SPLIT_NO_EMPTY);
foreach ($arrBuf as $strLine) {
if (preg_match('/Bus/', $strLine)) {
$booDevice = true;
continue;
}
if ($booDevice) {
list($strKey, $strValue) = preg_split('/: /', $strLine, 2);
if (!preg_match('/bridge/i', $strKey) && !preg_match('/USB/i ', $strKey)) {
$dev = new HWDevice();
$dev->setName(preg_replace('/\([^\)]+\)\.$/', '', trim($strValue)));
$this->sys->setPciDevices($dev);
}
$booDevice = false;
}
}
}
} else {
foreach ($arrResults as $dev) {
$this->sys->setPciDevices($dev);
}
}
}
/**
* IDE devices
*
* @return void
*/
private function _ide()
{
$bufd = CommonFunctions::gdc('/proc/ide', false);
foreach ($bufd as $file) {
if (preg_match('/^hd/', $file)) {
$dev = new HWDevice();
$dev->setName(trim($file));
if (CommonFunctions::rfts("/proc/ide/".$file."/media", $buf, 1)) {
if (trim($buf) == 'disk') {
if (CommonFunctions::rfts("/proc/ide/".$file."/capacity", $buf, 1, 4096, false) || CommonFunctions::rfts("/sys/block/".$file."/size", $buf, 1, 4096, false)) {
$dev->setCapacity(trim($buf) * 512 / 1024);
}
}
}
if (CommonFunctions::rfts("/proc/ide/".$file."/model", $buf, 1)) {
$dev->setName($dev->getName().": ".trim($buf));
}
$this->sys->setIdeDevices($dev);
}
}
}
/**
* SCSI devices
*
* @return void
*/
private function _scsi()
{
$get_type = false;
$device = null;
if (CommonFunctions::executeProgram('lsscsi', '-c', $bufr, PSI_DEBUG) || CommonFunctions::rfts('/proc/scsi/scsi', $bufr, 0, 4096, PSI_DEBUG)) {
$bufe = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
foreach ($bufe as $buf) {
if (preg_match('/Vendor: (.*) Model: (.*) Rev: (.*)/i', $buf, $devices)) {
$get_type = true;
$device = $devices;
continue;
}
if ($get_type) {
preg_match('/Type:\s+(\S+)/i', $buf, $dev_type);
$dev = new HWDevice();
$dev->setName($device[1].' '.$device[2].' ('.$dev_type[1].')');
$this->sys->setScsiDevices($dev);
$get_type = false;
}
}
}
}
/**
* USB devices
*
* @return array
*/
private function _usb()
{
$devnum = -1;
if (!CommonFunctions::executeProgram('lsusb', '', $bufr, PSI_DEBUG)) {
if (CommonFunctions::rfts('/proc/bus/usb/devices', $bufr, 0, 4096, false)) {
$bufe = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
foreach ($bufe as $buf) {
if (preg_match('/^T/', $buf)) {
$devnum += 1;
$results[$devnum] = "";
} elseif (preg_match('/^S:/', $buf)) {
list($key, $value) = preg_split('/: /', $buf, 2);
list($key, $value2) = preg_split('/=/', $value, 2);
if (trim($key) != "SerialNumber") {
$results[$devnum] .= " ".trim($value2);
}
}
}
foreach ($results as $var) {
$dev = new HWDevice();
$dev->setName($var);
$this->sys->setUsbDevices($dev);
}
}
} else {
$bufe = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
foreach ($bufe as $buf) {
$device = preg_split("/ /", $buf, 7);
if (isset($device[6]) && trim($device[6]) != "") {
$dev = new HWDevice();
$dev->setName(trim($device[6]));
$this->sys->setUsbDevices($dev);
}
}
}
}
/**
* Network devices
* includes also rx/tx bytes
*
* @return void
*/
private function _network()
{
if (CommonFunctions::rfts('/proc/net/dev', $bufr)) {
$bufe = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
foreach ($bufe as $buf) {
if (preg_match('/:/', $buf)) {
list($dev_name, $stats_list) = preg_split('/:/', $buf, 2);
$stats = preg_split('/\s+/', trim($stats_list));
$dev = new NetDevice();
$dev->setName(trim($dev_name));
$dev->setRxBytes($stats[0]);
$dev->setTxBytes($stats[8]);
$dev->setErrors($stats[2] + $stats[10]);
$dev->setDrops($stats[3] + $stats[11]);
if (defined('PSI_SHOW_NETWORK_INFOS') && (PSI_SHOW_NETWORK_INFOS) && (CommonFunctions::executeProgram('ifconfig', trim($dev_name).' 2>/dev/null', $bufr2, PSI_DEBUG))) {
$bufe2 = preg_split("/\n/", $bufr2, -1, PREG_SPLIT_NO_EMPTY);
foreach ($bufe2 as $buf2) {
if (preg_match('/\s+encap:Ethernet\s+HWaddr\s([^\s]*)/i', $buf2, $ar_buf2))
$dev->setInfo(preg_replace('/:/', '-', $ar_buf2[1]));
else if (preg_match('/^\s+inet\saddr:([^\s]*)/i', $buf2, $ar_buf2))
$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').$ar_buf2[1]);
else if (preg_match('/^\s+inet6\saddr:\s([^\/]*)(.*)\s+Scope:[GH]/i', $buf2, $ar_buf2))
$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').$ar_buf2[1]);
}
}
$this->sys->setNetDevices($dev);
}
}
}
}
/**
* Physical memory information and Swap Space information
*
* @return void
*/
private function _memory()
{
if (CommonFunctions::rfts('/proc/meminfo', $bufr)) {
$bufe = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
foreach ($bufe as $buf) {
if (preg_match('/^MemTotal:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$this->sys->setMemTotal($ar_buf[1] * 1024);
} elseif (preg_match('/^MemFree:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$this->sys->setMemFree($ar_buf[1] * 1024);
} elseif (preg_match('/^Cached:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$this->sys->setMemCache($ar_buf[1] * 1024);
} elseif (preg_match('/^Buffers:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
$this->sys->setMemBuffer($ar_buf[1] * 1024);
}
}
$this->sys->setMemUsed($this->sys->getMemTotal() - $this->sys->getMemFree());
// values for splitting memory usage
if ($this->sys->getMemCache() !== null && $this->sys->getMemBuffer() !== null) {
$this->sys->setMemApplication($this->sys->getMemUsed() - $this->sys->getMemCache() - $this->sys->getMemBuffer());
}
if (CommonFunctions::rfts('/proc/swaps', $bufr)) {
$swaps = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
unset($swaps[0]);
foreach ($swaps as $swap) {
$ar_buf = preg_split('/\s+/', $swap, 5);
$dev = new DiskDevice();
$dev->setMountPoint($ar_buf[0]);
$dev->setName("SWAP");
$dev->setTotal($ar_buf[2] * 1024);
$dev->setUsed($ar_buf[3] * 1024);
$dev->setFree($dev->getTotal() - $dev->getUsed());
$this->sys->setSwapDevices($dev);
}
}
}
}
/**
* filesystem information
*
* @return void
*/
private function _filesystems()
{
$arrResult = Parser::df("-P 2>/dev/null");
foreach ($arrResult as $dev) {
$this->sys->setDiskDevices($dev);
}
}
/**
* Distribution
*
* @return void
*/
private function _distro()
{
$list = @parse_ini_file(APP_ROOT."/data/distros.ini", true);
if (!$list) {
return;
}
// We have the '2>/dev/null' because Ubuntu gives an error on this command which causes the distro to be unknown
if (CommonFunctions::executeProgram('lsb_release', '-a 2>/dev/null', $distro_info, PSI_DEBUG)) {
$distro_tmp = preg_split("/\n/", $distro_info, -1, PREG_SPLIT_NO_EMPTY);
foreach ($distro_tmp as $info) {
$info_tmp = preg_split('/:/', $info, 2);
$distro[$info_tmp[0]] = trim($info_tmp[1]);
if (isset($distro['Distributor ID']) && isset($list[$distro['Distributor ID']]['Image'])) {
$this->sys->setDistributionIcon($list[$distro['Distributor ID']]['Image']);
}
if (isset($distro['Description'])) {
$this->sys->setDistribution($distro['Description']);
}
}
} else {
// Fall back in case 'lsb_release' does not exist ;)
foreach ($list as $section=>$distribution) {
if (!isset($distribution["Files"])) {
continue;
} else {
foreach (preg_split("/;/", $distribution["Files"], -1, PREG_SPLIT_NO_EMPTY) as $filename) {
if (file_exists($filename)) {
CommonFunctions::rfts($filename, $buf);
if (isset($distribution["Image"])) {
$this->sys->setDistributionIcon($distribution["Image"]);
}
if (isset($distribution["Name"])) {
if ($distribution["Name"] == 'Synology') {
$this->sys->setDistribution($distribution["Name"]);
} else {
$this->sys->setDistribution($distribution["Name"]." ".trim($buf));
}
} else {
$this->sys->setDistribution(trim($buf));
}
return;
}
}
}
}
}
}
/**
* get the information
*
* @see PSI_Interface_OS::build()
*
* @return Void
*/
function build()
{
$this->_distro();
$this->_ip();
$this->_hostname();
$this->_kernel();
$this->_uptime();
$this->_users();
$this->_cpuinfo();
$this->_pci();
$this->_ide();
$this->_scsi();
$this->_usb();
$this->_network();
$this->_memory();
$this->_filesystems();
$this->_loadavg();
}
}
?>