<?php
/**
 * FreeBSD System Class
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PSI FreeBSD OS class
 * @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.FreeBSD.inc.php 696 2012-09-09 11:24:04Z namiltd $
 * @link      http://phpsysinfo.sourceforge.net
 */
 /**
 * FreeBSD sysinfo class
 * get all the required information from FreeBSD system
 *
 * @category  PHP
 * @package   PSI FreeBSD OS class
 * @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 FreeBSD extends BSDCommon
{
	/**
	 * define the regexp for log parser
	 */
	public function __construct()
	{
		parent::__construct();
		$this->setCPURegExp1("/CPU: (.*) \((.*)-MHz (.*)\)/");
		$this->setCPURegExp2("/(.*) ([0-9]+) ([0-9]+) ([0-9]+) ([0-9]+)/");
		$this->setSCSIRegExp1("/^(.*): <(.*)> .*SCSI.*device/");
		$this->setSCSIRegExp2("/^(da[0-9]+): (.*)MB /");
		$this->setPCIRegExp1("/(.*): <(.*)>(.*) pci[0-9]+$/");
		$this->setPCIRegExp2("/(.*): <(.*)>.* at [.0-9]+ irq/");
	}

	/**
	 * UpTime
	 * time the system is running
	 *
	 * @return void
	 */
	private function _uptime()
	{
		$s = preg_split('/ /', $this->grabkey('kern.boottime'));
		$a = preg_replace('/,/', '', $s[3]);
		$this->sys->setUptime(time() - $a);
	}

	/**
	 * get network information
	 *
	 * @return void
	 */
	private function _network()
	{
		$dev = null;
		if (CommonFunctions::executeProgram('netstat', '-nibd', $netstat, PSI_DEBUG)) {
			$lines = preg_split("/\n/", $netstat, -1, PREG_SPLIT_NO_EMPTY);
			foreach ($lines as $line) {
				$ar_buf = preg_split("/\s+/", $line);
				if (!empty($ar_buf[0])) {
					if (preg_match('/^<Link/i', $ar_buf[2])) {
						$dev = new NetDevice();
						$dev->setName($ar_buf[0]);
						if (strlen($ar_buf[3]) < 17) { /* no Address */
							if (isset($ar_buf[11]) && (trim($ar_buf[11]) != '')) { /* Idrop column exist*/
								$dev->setTxBytes($ar_buf[9]);
								$dev->setRxBytes($ar_buf[6]);
								$dev->setErrors($ar_buf[4] + $ar_buf[8]);
								$dev->setDrops($ar_buf[11] + $ar_buf[5]);
							} else {
								$dev->setTxBytes($ar_buf[8]);
								$dev->setRxBytes($ar_buf[5]);
								$dev->setErrors($ar_buf[4] + $ar_buf[7]);
								$dev->setDrops($ar_buf[10]);
							}
						} else {
							if (isset($ar_buf[12]) && (trim($ar_buf[12]) != '')) { /* Idrop column exist*/
								$dev->setTxBytes($ar_buf[10]);
								$dev->setRxBytes($ar_buf[7]);
								$dev->setErrors($ar_buf[5] + $ar_buf[9]);
								$dev->setDrops($ar_buf[12] + $ar_buf[6]);
							} else {
								$dev->setTxBytes($ar_buf[9]);
								$dev->setRxBytes($ar_buf[6]);
								$dev->setErrors($ar_buf[5] + $ar_buf[8]);
								$dev->setDrops($ar_buf[11]);
							}
						}
						if (defined('PSI_SHOW_NETWORK_INFOS') && (PSI_SHOW_NETWORK_INFOS) && (CommonFunctions::executeProgram('ifconfig', $ar_buf[0].' 2>/dev/null', $bufr2, PSI_DEBUG))) {
							$bufe2 = preg_split("/\n/", $bufr2, -1, PREG_SPLIT_NO_EMPTY);
							foreach ($bufe2 as $buf2) {
								if (preg_match('/^\s+ether\s+(\S+)/i', $buf2, $ar_buf2))
									$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').preg_replace('/:/', '-', strtoupper($ar_buf2[1])));
								elseif (preg_match('/^\s+inet\s+(\S+)\s+netmask/i', $buf2, $ar_buf2))
									$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').$ar_buf2[1]);
								elseif ((preg_match('/^\s+inet6\s+([^\s%]+)\s+prefixlen/i', $buf2, $ar_buf2)
									  || preg_match('/^\s+inet6\s+([^\s%]+)%\S+\s+prefixlen/i', $buf2, $ar_buf2))
									  && ($ar_buf2[1]!="::") && !preg_match('/^fe80::/i', $ar_buf2[1]))
									$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').strtolower($ar_buf2[1]));
								elseif (preg_match('/^\s+media:\s+/i', $buf2) && preg_match('/[\(\s](\d+)(G*)base/i', $buf2, $ar_buf2)) {
									if (isset($ar_buf2[2]) && strtoupper($ar_buf2[2])=="G") {
										$unit = "G";
									} else {
										$unit = "M";
									}
									if (preg_match('/[<\s]([^\s<]+)-duplex/i', $buf2, $ar_buf3))
										$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').$ar_buf2[1].$unit.'b/s '.strtolower($ar_buf3[1]));
									else $dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').$ar_buf2[1].$unit.'b/s');
								}
							}
						}
						$this->sys->setNetDevices($dev);
					}
				}
			}
		}
	}

	/**
	 * get icon name and distro extended check
	 *
	 * @return void
	 */
	private function _distroicon()
	{
		if (extension_loaded('pfSense') && CommonFunctions::rfts('/etc/version', $version, 1, 4096, false) && (trim($version) != '')) { // pfSense detection
			$this->sys->setDistribution('pfSense '. trim($version));
			$this->sys->setDistributionIcon('pfSense.png');
		} else {
			$this->sys->setDistributionIcon('FreeBSD.png');
		}
	}

	/**
	 * extend the memory information with additional values
	 *
	 * @return void
	 */
	private function _memoryadditional()
	{
		$pagesize = $this->grabkey("hw.pagesize");
		$this->sys->setMemCache($this->grabkey("vm.stats.vm.v_cache_count") * $pagesize);
		$this->sys->setMemApplication(($this->grabkey("vm.stats.vm.v_active_count") + $this->grabkey("vm.stats.vm.v_wire_count")) * $pagesize);
		$this->sys->setMemBuffer($this->sys->getMemUsed() - $this->sys->getMemApplication() - $this->sys->getMemCache());
	}

	/**
	 * Processes
	 *
	 * @return void
	 */
	protected function _processes()
	{
		if (CommonFunctions::executeProgram('ps', 'aux', $bufr, PSI_DEBUG)) {
			$lines = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
			$processes['*'] = 0;
			foreach ($lines as $line) {
				if (preg_match("/^\S+\s+\d+\s+\S+\s+\S+\s+\d+\s+\d+\s+\S+\s+(\w)/", $line, $ar_buf)) {
					$processes['*']++;
					$state = $ar_buf[1];
					if ($state == 'L') $state = 'D'; //linux format
					elseif ($state == 'I') $state = 'S';
					if (isset($processes[$state])) {
						$processes[$state]++;
					} else {
						$processes[$state] = 1;
					}
				}
			}
			if ($processes['*'] > 0) {
				$this->sys->setProcesses($processes);
			}
		}
	}

	/**
	 * get the information
	 *
	 * @see BSDCommon::build()
	 *
	 * @return Void
	 */
	public function build()
	{
		parent::build();
		$this->_memoryadditional();
		$this->_distroicon();
		$this->_network();
		$this->_uptime();
		$this->_processes();
	}
}