class.linux.inc.php

国外很不错的一个开源OA系统Group-Office

<?php 
// phpSysInfo - A PHP System Information Script
// http://phpsysinfo.sourceforge.net/
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
// $Id: class.Linux.inc.php,v 1.1 2005/04/15 21:23:32 mschering Exp $
class sysinfo {
  // get our apache SERVER_NAME or vhost
  function vhostname () {
    if (! ($result = getenv('SERVER_NAME'))) {
      $result = 'N.A.';
    } 
    return $result;
  } 
  // get our canonical hostname
  function chostname () {
    if ($fp = fopen('/proc/sys/kernel/hostname', 'r')) {
      $result = trim(fgets($fp, 4096));
      fclose($fp);
      $result = gethostbyaddr(gethostbyname($result));
    } else {
      $result = 'N.A.';
    } 
    return $result;
  } 
  // get the IP address of our canonical hostname
  function ip_addr () {
    if (!($result = getenv('SERVER_ADDR'))) {
      $result = gethostbyname($this->chostname());
    } 
    return $result;
  } 

  function kernel () {
    if ($fd = fopen('/proc/version', 'r')) {
      $buf = fgets($fd, 4096);
      fclose($fd);

      if (preg_match('/version (.*?) /', $buf, $ar_buf)) {
        $result = $ar_buf[1];

        if (preg_match('/SMP/', $buf)) {
          $result .= ' (SMP)';
        } 
      } else {
        $result = 'N.A.';
      } 
    } else {
      $result = 'N.A.';
    } 
    return $result;
  } 
  
  function uptime () {
    global $text;
    $fd = fopen('/proc/uptime', 'r');
    $ar_buf = split(' ', fgets($fd, 4096));
    fclose($fd);

    $sys_ticks = trim($ar_buf[0]);

    $min = $sys_ticks / 60;
    $hours = $min / 60;
    $days = floor($hours / 24);
    $hours = floor($hours - ($days * 24));
    $min = floor($min - ($days * 60 * 24) - ($hours * 60));

    if ($days != 0) {
      $result = "$days " . $text['days'] . " ";
    } 

    if ($hours != 0) {
      $result .= "$hours " . $text['hours'] . " ";
    } 
    $result .= "$min " . $text['minutes'];

    return $result;
  } 

  function users () {
    $who = split('=', execute_program('who', '-q'));
    $result = $who[1];
    return $result;
  } 

  function loadavg () {
    if ($fd = fopen('/proc/loadavg', 'r')) {
      $results = split(' ', fgets($fd, 4096));
      fclose($fd);
    } else {
      $results = array('N.A.', 'N.A.', 'N.A.');
    } 
    return $results;
  } 

  function cpu_info () {
    $results = array();
    $ar_buf = array();

    if ($fd = fopen('/proc/cpuinfo', 'r')) {
      while ($buf = fgets($fd, 4096)) {
        list($key, $value) = preg_split('/\s+:\s+/', trim($buf), 2); 
        // All of the tags here are highly architecture dependant.
        // the only way I could reconstruct them for machines I don't
        // have is to browse the kernel source.  So if your arch isn't
        // supported, tell me you want it written in.
        switch ($key) {
          case 'model name':
            $results['model'] = $value;
            break;
          case 'cpu MHz':
            $results['mhz'] = sprintf('%.2f', $value);
            break;
          case 'cycle frequency [Hz]': // For Alpha arch - 2.2.x
            $results['mhz'] = sprintf('%.2f', $value / 1000000);
            break;
          case 'clock': // For PPC arch (damn borked POS)
            $results['mhz'] = sprintf('%.2f', $value);
            break;
          case 'cpu': // For PPC arch (damn borked POS)
            $results['model'] = $value;
            break;
          case 'L2 cache': // More for PPC
            $results['cache'] = $value;
            break;
          case 'revision': // For PPC arch (damn borked POS)
            $results['model'] .= ' ( rev: ' . $value . ')';
            break;
          case 'cpu model': // For Alpha arch - 2.2.x
            $results['model'] .= ' (' . $value . ')';
            break;
          case 'cache size':
            $results['cache'] = $value;
            break;
          case 'bogomips':
            $results['bogomips'] += $value;
            break;
          case 'BogoMIPS': // For alpha arch - 2.2.x
            $results['bogomips'] += $value;
            break;
          case 'BogoMips': // For sparc arch
            $results['bogomips'] += $value;
            break;
          case 'cpus detected': // For Alpha arch - 2.2.x
            $results['cpus'] += $value;
            break;
          case 'system type': // Alpha arch - 2.2.x
            $results['model'] .= ', ' . $value . ' ';
            break;
          case 'platform string': // Alpha arch - 2.2.x
            $results['model'] .= ' (' . $value . ')';
            break;
          case 'processor':
            $results['cpus'] += 1;
            break;
          case 'Cpu0ClkTck': // Linux sparc64
            $results['mhz'] = sprintf('%.2f', hexdec($value) / 1000000);
            break;
          case 'Cpu0Bogo': // Linux sparc64 & sparc32
            $results['bogomips'] = $value;
            break;
          case 'ncpus probed': // Linux sparc64 & sparc32
            $results['cpus'] = $value;
            break;
        } 
      } 
      fclose($fd);
    } 

    $keys = array_keys($results);
    $keys2be = array('model', 'mhz', 'cache', 'bogomips', 'cpus');

    while ($ar_buf = each($keys2be)) {
      if (! in_array($ar_buf[1], $keys)) {
        $results[$ar_buf[1]] = 'N.A.';
      } 
    } 
    return $results;
  } 

  function pci () {
    $results = array();

    if ($_results = execute_program('lspci')) {
      $lines = split("\n", $_results);
      for ($i = 0, $max = sizeof($lines); $i < $max; $i++) {
        list($addr, $name) = explode(' ', trim($lines[$i]), 2);

        if (!preg_match('/bridge/i', $name) && !preg_match('/USB/i', $name)) {
          // remove all the version strings
          $name = preg_replace('/\(.*\)/', '', $name);
          $results[] = $addr . ' ' . $name;
        } 
      } 
    } elseif ($fd = fopen('/proc/pci', 'r')) {
      while ($buf = fgets($fd, 4096)) {
        if (preg_match('/Bus/', $buf)) {
          $device = 1;
          continue;
        } 

        if ($device) {
          list($key, $value) = split(': ', $buf, 2);

          if (!preg_match('/bridge/i', $key) && !preg_match('/USB/i', $key)) {
            $results[] = preg_replace('/\([^\)]+\)\.$/', '', trim($value));
          } 
          $device = 0;
        } 
      } 
    } 
    asort($results);
    return $results;
  } 

  function ide () {
    $results = array();

    $handle = opendir('/proc/ide');

    while ($file = readdir($handle)) {
      if (preg_match('/^hd/', $file)) {
        $results[$file] = array(); 
        // Check if device is CD-ROM (CD-ROM capacity shows as 1024 GB)
        if ($fd = fopen("/proc/ide/$file/media", 'r')) {
          $results[$file]['media'] = trim(fgets($fd, 4096));
          if ($results[$file]['media'] == 'disk') {
            $results[$file]['media'] = 'Hard Disk';
          } 

          if ($results[$file]['media'] == 'cdrom') {
            $results[$file]['media'] = 'CD-ROM';
          } 
          fclose($fd);
        } 

        if ($fd = fopen("/proc/ide/$file/model", 'r')) {
          $results[$file]['model'] = trim(fgets($fd, 4096));
          if (preg_match('/WDC/', $results[$file]['model'])) {
            $results[$file]['manufacture'] = 'Western Digital';
          } elseif (preg_match('/IBM/', $results[$file]['model'])) {
            $results[$file]['manufacture'] = 'IBM';
          } elseif (preg_match('/FUJITSU/', $results[$file]['model'])) {
            $results[$file]['manufacture'] = 'Fujitsu';
          } else {
            $results[$file]['manufacture'] = 'Unknown';
          } 

          fclose($fd);
        } 

        if ($fd = fopen("/proc/ide/$file/capacity", 'r')) {
          $results[$file]['capacity'] = trim(fgets($fd, 4096));
          if ($results[$file]['media'] == 'CD-ROM') {