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<?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.BSD.common.inc.php,v 1.52 2006/06/13 18:31:52 bigmichi1 Exp $

if (!defined('IN_PHPSYSINFO')) {

    die("No Hacking");

}

require_once(APP_ROOT . '/includes/os/class.parseProgs.inc.php');

class bsd_common {

  var $dmesg; 

  var $parser;

  // Our constructor

  // this function is run on the initialization of this class

  function bsd_common () {

    $this->parser = new Parser();

    $this->parser->df_param = "";    

  } 

  // read /var/run/dmesg.boot, but only if we haven't already.

  function read_dmesg () {

    if (! $this->dmesg) {

      if( PHP_OS == "Darwin" ) {

        $this->dmesg = array();

      } else {

        $parts = explode("rebooting", rfts( '/var/run/dmesg.boot' ) );

        $this->dmesg = explode("\n", $parts[count($parts) - 1]);

      }

    } 

    return $this->dmesg;

  } 

  // grabs a key from sysctl(8)

  function grab_key ($key) {

    return execute_program('sysctl', "-n $key");

  } 

  // get our apache SERVER_NAME or vhost

  function hostname () {

    if (!($result = getenv('SERVER_NAME'))) {

      $result = "N.A.";

    } 

    return $result;

  } 

  // get our canonical hostname

  function chostname () {

    return execute_program('hostname');

  } 

  // get the IP address of our canonical hostname

  function ip_addr () {

    if (!($result = getenv('SERVER_ADDR'))) {

      $result = gethostbyname($this->chostname());

    } 

    return $result;

  } 

  function kernel () {

    $s = $this->grab_key('kern.version');

    $a = explode(':', $s);

    return $a[0] . $a[1] . ':' . $a[2];

  } 

  function uptime () {

    $result = $this->get_sys_ticks();

    return $result;

  } 

  function users () {

    return execute_program('who', '| wc -l');

  } 

  function loadavg ($bar = false) {

    $s = $this->grab_key('vm.loadavg');

    $s = ereg_replace('{ ', '', $s);

    $s = ereg_replace(' }', '', $s);

    $results['avg'] = explode(' ', $s);

    if ($bar) {

      if ($fd = $this->grab_key('kern.cp_time')) {

        // Find out the CPU load

        // user + sys = load

        // total = total

	preg_match($this->cpu_regexp2, $fd, $res );

        $load = $res[2] + $res[3] + $res[4];		// cpu.user + cpu.sys

        $total = $res[2] + $res[3] + $res[4] + $res[5];	// cpu.total

        // we need a second value, wait 1 second befor getting (< 1 second no good value will occour)

        sleep(1);

        $fd = $this->grab_key('kern.cp_time');

	preg_match($this->cpu_regexp2, $fd, $res );

        $load2 = $res[2] + $res[3] + $res[4];

        $total2 = $res[2] + $res[3] + $res[4] + $res[5];

        $results['cpupercent'] = (100*($load2 - $load)) / ($total2 - $total);

      }

    }

    return $results;

  } 

  function cpu_info () {

    $results = array();

    $ar_buf = array();

    $results['model'] = $this->grab_key('hw.model');

    $results['cpus'] = $this->grab_key('hw.ncpu');

    for ($i = 0, $max = count($this->read_dmesg()); $i < $max; $i++) {

      $buf = $this->dmesg[$i];

      if (preg_match("/$this->cpu_regexp/", $buf, $ar_buf)) {

        $results['cpuspeed'] = round($ar_buf[2]);

        break;

      } 

    } 

    return $results;

  } 

  // get the scsi device information out of dmesg

  function scsi () {

    $results = array();

    $ar_buf = array();

    for ($i = 0, $max = count($this->read_dmesg()); $i < $max; $i++) {

      $buf = $this->dmesg[$i];

      if (preg_match("/$this->scsi_regexp1/", $buf, $ar_buf)) {

        $s = $ar_buf[1];

        $results[$s]['model'] = $ar_buf[2];

        $results[$s]['media'] = 'Hard Disk';

      } elseif (preg_match("/$this->scsi_regexp2/", $buf, $ar_buf)) {

        $s = $ar_buf[1];

        $results[$s]['capacity'] = $ar_buf[2] * 2048 * 1.049;

      }

    } 

    // return array_values(array_unique($results));

    // 1. more useful to have device names

    // 2. php 4.1.1 array_unique() deletes non-unique values.

    asort($results);

    return $results;

  } 

  // get the pci device information out of dmesg

  function pci () {

    $results = array();

    if( !( is_array($results = $this->parser->parse_lspci()) || is_array($results = $this->parser->parse_pciconf() ))) {

        for ($i = 0, $s = 0; $i < count($this->read_dmesg()); $i++) {

	    $buf = $this->dmesg[$i];

	    if(!isset($this->pci_regexp1) && !isset($this->pci_regexp2)) {

	        $this->pci_regexp1 = '/(.*): <(.*)>(.*) pci[0-9]$/';

	        $this->pci_regexp2 = '/(.*): <(.*)>.* at [.0-9]+ irq/';

	    }

	    if (preg_match($this->pci_regexp1, $buf, $ar_buf)) {

	        $results[$s++] = $ar_buf[1] . ": " . $ar_buf[2];

	    } elseif (preg_match($this->pci_regexp2, $buf, $ar_buf)) {

	        $results[$s++] = $ar_buf[1] . ": " . $ar_buf[2];

	    }

	} 

    	asort($results);

    }

    return $results;

  } 

  // get the ide device information out of dmesg

  function ide () {

    $results = array();

    $s = 0;

    for ($i = 0, $max = count($this->read_dmesg()); $i < $max; $i++) {

      $buf = $this->dmesg[$i];

      if (preg_match('/^(ad[0-9]+): (.*)MB <(.*)> (.*) (.*)/', $buf, $ar_buf)) {

        $s = $ar_buf[1];

        $results[$s]['model'] = $ar_buf[3];

        $results[$s]['media'] = 'Hard Disk';

        $results[$s]['capacity'] = $ar_buf[2] * 2048 * 1.049;

      } elseif (preg_match('/^(acd[0-9]+): (.*) <(.*)> (.*)/', $buf, $ar_buf)) {

        $s = $ar_buf[1];

        $results[$s]['model'] = $ar_buf[3];

        $results[$s]['media'] = 'CD-ROM';

      }

    } 

    // return array_values(array_unique($results));

    // 1. more useful to have device names

    // 2. php 4.1.1 array_unique() deletes non-unique values.

    asort($results);

    return $results;

  } 

  // place holder function until we add acual usb detection

  function usb () {

    return array();

  } 

  function sbus () {

    $results = array();

    $_results[0] = "";

    // TODO. Nothing here yet. Move along.

    $results = $_results;

    return $results;

  }

  function memory () {

    $s = $this->grab_key('hw.physmem');

    if (PHP_OS == 'FreeBSD' || PHP_OS == 'OpenBSD') {

      // vmstat on fbsd 4.4 or greater outputs kbytes not hw.pagesize

      // I should probably add some version checking here, but for now

      // we only support fbsd 4.4

      $pagesize = 1024;

    } else {

      $pagesize = $this->grab_key('hw.pagesize');

    } 

    $results['ram'] = array();

    $pstat = execute_program('vmstat');

    $lines = explode("\n", $pstat);

    for ($i = 0, $max = sizeof($lines); $i < $max; $i++) {

      $ar_buf = preg_split("/\s+/", $lines[$i], 19);

      if ($i == 2) {

        if(PHP_OS == 'NetBSD') {

	    $results['ram']['free'] = $ar_buf[5];

	} else {

    	    $results['ram']['free'] = $ar_buf[5] * $pagesize / 1024;

	}

      } 

    } 

    $results['ram']['total'] = $s / 1024;

    $results['ram']['shared'] = 0;

    $results['ram']['buffers'] = 0;

    $results['ram']['used'] = $results['ram']['total'] - $results['ram']['free'];

    $results['ram']['cached'] = 0;

    $results['ram']['percent'] = round(($results['ram']['used'] * 100) / $results['ram']['total']);

    if (PHP_OS == 'OpenBSD' || PHP_OS == 'NetBSD') {

      $pstat = execute_program('swapctl', '-l -k');

    } else {

      $pstat = execute_program('swapinfo', '-k');

    } 

    $lines = explode("\n", $pstat);

    $results['swap']['total'] = 0;

    $results['swap']['used'] = 0;

    $results['swap']['free'] = 0;

    for ($i = 1, $max = sizeof($lines); $i < $max; $i++) {

      $ar_buf = preg_split("/\s+/", $lines[$i], 6);

      if ($ar_buf[0] != 'Total') {

        $results['swap']['total'] = $results['swap']['total'] + $ar_buf[1];

        $results['swap']['used'] = $results['swap']['used'] + $ar_buf[2];

        $results['swap']['free'] = $results['swap']['free'] + $ar_buf[3];

        $results['devswap'][$i - 1] = array();

        $results['devswap'][$i - 1]['dev'] = $ar_buf[0];

        $results['devswap'][$i - 1]['total'] = $ar_buf[1];

        $results['devswap'][$i - 1]['used'] = $ar_buf[2];

        $results['devswap'][$i - 1]['free'] = ($results['devswap'][$i - 1]['total'] - $results['devswap'][$i - 1]['used']);

        $results['devswap'][$i - 1]['percent'] = $ar_buf[2] > 0 ? round(($ar_buf[2] * 100) / $ar_buf[1]) : 0;

      }

    } 

    $results['swap']['percent'] = round(($results['swap']['used'] * 100) / $results['swap']['total']);

    if( is_callable( array( 'sysinfo', 'memory_additional' ) ) ) {

        $results = $this->memory_additional( $results );

    }

    return $results;

  } 

  function filesystems () {

    return $this->parser->parse_filesystems();

  }

  function distro () { 

    $distro = execute_program('uname', '-s');                             

    $result = $distro;

    return($result);               

  }

} 

?>