<?php
/**
 * Haiku System Class
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PSI Haiku OS class
 * @author    Mieczyslaw Nalewaj <namiltd@users.sourceforge.net>
 * @copyright 2012 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   SVN: $Id: class.Haiku.inc.php 687 2012-09-06 20:54:49Z namiltd $
 * @link      http://phpsysinfo.sourceforge.net
 */
 /**
 * Haiku sysinfo class
 * get all the required information from Haiku system
 *
 * @category  PHP
 * @package   PSI Haiku OS class
 * @author    Mieczyslaw Nalewaj <namiltd@users.sourceforge.net>
 * @copyright 2012 phpSysInfo
 * @license   http://opensource.org/licenses/gpl-2.0.php GNU General Public License
 * @version   Release: 3.0
 * @link      http://phpsysinfo.sourceforge.net
 */
class Haiku extends OS
{
	/**
	 * call parent constructor
	 */
	public function __construct()
	{
		parent::__construct();
	}

	/**
	 * get the cpu information
	 *
	 * @return array
	 */
	protected function _cpuinfo()
	{

		if (CommonFunctions::executeProgram('sysinfo', '-cpu', $bufr, PSI_DEBUG)) {
			$cpus = preg_split("/\nCPU #\d+/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
			$cpuspeed = "";
			foreach ($cpus as $cpu) {
				if (preg_match("/^.*running at (\d+)MHz/", $cpu, $ar_buf)) {
					$cpuspeed = $ar_buf[1];
				} elseif (preg_match("/^: \"(.*)\"/", $cpu, $ar_buf)) {
					$dev = new CpuDevice();
					$dev->setModel($ar_buf[1]);
					$arrLines = preg_split("/\n/", $cpu, -1, PREG_SPLIT_NO_EMPTY);
					foreach ($arrLines as $Line) {
						if (preg_match("/^\s+Data TLB:\s+(.*)K-byte/", $Line, $Line_buf)) {
							$dev->setCache(max($Line_buf[1]*1024, $dev->getCache()));
						} elseif (preg_match("/^\s+Data TLB:\s+(.*)M-byte/", $Line, $Line_buf)) {
							$dev->setCache(max($Line_buf[1]*1024*1024, $dev->getCache()));
						} elseif (preg_match("/^\s+Data TLB:\s+(.*)G-byte/", $Line, $Line_buf)) {
							$dev->setCache(max($Line_buf[1]*1024*1024*1024, $dev->getCache()));
						} elseif (preg_match("/\s+VMX/", $Line, $Line_buf)) {
							$dev->setVirt("vmx");
						} elseif (preg_match("/\s+SVM/", $Line, $Line_buf)) {
							$dev->setVirt("svm");
						}
					}
					if ($cpuspeed != "")$dev->setCpuSpeed($cpuspeed);
					$this->sys->setCpus($dev);
					//echo ">>>>>".$cpu;
				}
			}
		}
	}

	/**
	 * PCI devices
	 * get the pci device information
	 *
	 * @return void
	 */
	protected function _pci()
	{
		if (CommonFunctions::executeProgram('listdev', '', $bufr, PSI_DEBUG)) {
			//            $devices = preg_split("/^device |\ndevice /", $bufr, -1, PREG_SPLIT_NO_EMPTY);
			$devices = preg_split("/^device /m", $bufr, -1, PREG_SPLIT_NO_EMPTY);
			foreach ($devices as $device) {
				$ar_buf = preg_split("/\n/", $device);
				if (count($ar_buf) >= 3) {
					if (preg_match("/^([^\(\[\n]*)/", $device, $ar_buf2)) {
						if (preg_match("/^[^\(]*\((.*)\)/", $device, $ar_buf3)) {
							$ar_buf2[1] = $ar_buf3[1];
						}
						$name = trim($ar_buf2[1]).": ";

						if (preg_match("/^\s+vendor\s+[0-9a-fA-F]{4}:\s+(.*)/", $ar_buf[1], $ar_buf3)) {
							$name .=$ar_buf3[1]." ";
						}
						if (preg_match("/^\s+device\s+[0-9a-fA-F]{4}:\s+(.*)/", $ar_buf[2], $ar_buf3)) {
							$name .=$ar_buf3[1]." ";
						}
						$dev = new HWDevice();
						$dev->setName(trim($name));
						$this->sys->setPciDevices($dev);
					}
				}
			}
		}
	}

	/**
	 * USB devices
	 * get the usb device information
	 *
	 * @return void
	 */
	protected function _usb()
	{
		if (CommonFunctions::executeProgram('listusb', '', $bufr, PSI_DEBUG)) {
			$devices = preg_split("/\n/", $bufr);
			foreach ($devices as $device) {
				if (preg_match("/^\S+\s+\S+\s+\"(.*)\"\s+\"(.*)\"/", $device, $ar_buf)) {
					$dev = new HWDevice();
					$dev->setName(trim($ar_buf[1]." ".$ar_buf[2]));
					$this->sys->setUSBDevices($dev);
				}
			}
		}
	}

	/**
	 * Haiku Version
	 *
	 * @return void
	 */
	private function _kernel()
	{
		if (CommonFunctions::executeProgram('uname', '-rvm', $ret)) {
			   $this->sys->setKernel($ret);
		}
	}

	/**
	 * Distribution
	 *
	 * @return void
	 */
	protected function _distro()
	{
		if (CommonFunctions::executeProgram('uname', '-sr', $ret))
			$this->sys->setDistribution($ret);
		else $this->sys->setDistribution('Haiku');

		$this->sys->setDistributionIcon('Haiku.png');
	}

	/**
	 * UpTime
	 * time the system is running
	 *
	 * @return void
	 */
	private function _uptime()
	{
		if (CommonFunctions::executeProgram('uptime', '-u', $buf)) {
			if (preg_match("/^up (\d+) minute[s]?/", $buf, $ar_buf)) {
				$min = $ar_buf[1];
				$this->sys->setUptime($min * 60);
			} elseif (preg_match("/^up (\d+) hour[s]?, (\d+) minute[s]?/", $buf, $ar_buf)) {
				$min = $ar_buf[2];
				$hours = $ar_buf[1];
				$this->sys->setUptime($hours * 3600 + $min * 60);
			} elseif (preg_match("/^up (\d+) day[s]?, (\d+) hour[s]?, (\d+) minute[s]?/", $buf, $ar_buf)) {
				$min = $ar_buf[3];
				$hours = $ar_buf[2];
				$days = $ar_buf[1];
				$this->sys->setUptime($days * 86400 + $hours * 3600 + $min * 60);
			}
		}
	}

	/**
	 * Processor Load
	 * optionally create a loadbar
	 *
	 * @return void
	 */
	private function _loadavg()
	{
		if (CommonFunctions::executeProgram('top', '-n 1 -i 1', $buf)) {
			if (preg_match("/\s+(\S+)%\s+TOTAL\s+\(\S+%\s+idle time/", $buf, $ar_buf)) {
				$this->sys->setLoad($ar_buf[1]);
				if (PSI_LOAD_BAR) {
					$this->sys->setLoadPercent(round($ar_buf[1]));
				}
			}
		}
	}

	/**
	 * Number of Users
	 *
	 * @return void
	 */
	protected function _users()
	{
		$this->sys->setUsers(1);
	}

	/**
	 * Virtual Host Name
	 *
	 * @return void
	 */
	private function _hostname()
	{
		if (PSI_USE_VHOST === true) {
			$this->sys->setHostname(getenv('SERVER_NAME'));
		} else {
			if (CommonFunctions::executeProgram('uname', '-n', $result, PSI_DEBUG)) {
				$ip = gethostbyname($result);
				if ($ip != $result) {
					$this->sys->setHostname(gethostbyaddr($ip));
				}
			}
		}
	}

	/**
	 *  Physical memory information and Swap Space information
	 *
	 *  @return void
	 */
	private function _memory()
	{
		if (CommonFunctions::executeProgram('sysinfo', '-mem', $bufr, PSI_DEBUG)) {
			if (preg_match("/(.*)bytes free\s+\(used\/max\s+(.*)\s+\/\s+(.*)\)\s*\n\s+\(cached\s+(.*)\)/", $bufr, $ar_buf)) {
				$this->sys->setMemTotal($ar_buf[3]);
				$this->sys->setMemFree($ar_buf[1]);
				$this->sys->setMemCache($ar_buf[4]);
				$this->sys->setMemUsed($ar_buf[2]);
			}
		}
		if (CommonFunctions::executeProgram('vmstat', '', $bufr, PSI_DEBUG)) {
			if (preg_match("/max swap space:\s+(.*)\nfree swap space:\s+(.*)\n/", $bufr, $ar_buf)) {
				if ($ar_buf[1]>0) {
					$dev = new DiskDevice();
					$dev->setMountPoint("/boot/common/var/swap");
					$dev->setName("SWAP");
					$dev->setTotal($ar_buf[1]);
					$dev->setFree($ar_buf[2]);
					$dev->setUSed($ar_buf[1]-$ar_buf[2]);
					$this->sys->setSwapDevices($dev);
				}
			}
		}
	}

	/**
	 * filesystem information
	 *
	 * @return void
	 */
	private function _filesystems()
	{
		if (CommonFunctions::executeProgram('df', '-b', $df, PSI_DEBUG)) {
			$df = preg_split("/\n/", $df, -1, PREG_SPLIT_NO_EMPTY);
			foreach ($df as $df_line) {
				$ar_buf = preg_split("/\s+/", $df_line);
				if ((substr($df_line, 0, 1) == "/") && (count($ar_buf) == 6)) {
					$dev = new DiskDevice();
					$dev->setMountPoint($ar_buf[0]);
					$dev->setName($ar_buf[5]);
					$dev->setFsType($ar_buf[1]);
					$dev->setOptions($ar_buf[4]);
					$dev->setTotal($ar_buf[2] * 1024);
					$dev->setFree($ar_buf[3] * 1024);
					$dev->setUsed($dev->getTotal() - $dev->getFree());
					$this->sys->setDiskDevices($dev);
				}
			}
		}
	}

	/**
	 * network information
	 *
	 * @return void
	 */
	private function _network()
	{
		if (CommonFunctions::executeProgram('ifconfig', '', $bufr, PSI_DEBUG)) {
			$lines = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
			$was = false;
			foreach ($lines as $line) {
				if (preg_match("/^(\S+)/", $line, $ar_buf)) {
					if ($was) {
						$dev->setErrors($errors);
						$dev->setDrops($drops);
						$this->sys->setNetDevices($dev);
					}
					$errors = 0;
					$drops = 0;
					$dev = new NetDevice();
					$dev->setName($ar_buf[1]);
					$was = true;
				} else {
					if ($was) {
						if (preg_match('/\sReceive:\s\d+\spackets,\s(\d+)\serrors,\s(\d+)\sbytes,\s\d+\smcasts,\s(\d+)\sdropped/i', $line, $ar_buf2)) {
							$errors +=$ar_buf2[1];
							$drops +=$ar_buf2[3];
							$dev->setRxBytes($ar_buf2[2]);
						} elseif (preg_match('/\sTransmit:\s\d+\spackets,\s(\d+)\serrors,\s(\d+)\sbytes,\s\d+\smcasts,\s(\d+)\sdropped/i', $line, $ar_buf2)) {
							$errors +=$ar_buf2[1];
							$drops +=$ar_buf2[3];
							$dev->setTxBytes($ar_buf2[2]);
						}

						if (defined('PSI_SHOW_NETWORK_INFOS') && (PSI_SHOW_NETWORK_INFOS)) {
							if (preg_match('/\sEthernet,\s+Address:\s(\S*)/i', $line, $ar_buf2))
									$dev->setInfo(preg_replace('/:/', '-', strtoupper($ar_buf2[1])));
							elseif (preg_match('/^\s+inet\saddr:\s(\S*),/i', $line, $ar_buf2))
									 $dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').$ar_buf2[1]);
								 elseif (preg_match('/^\s+inet6\saddr:\s(\S*),/i', $line, $ar_buf2)
										  && ($ar_buf2[1]!="::") && !preg_match('/^fe80::/i', $ar_buf2[1]))
											$dev->setInfo(($dev->getInfo()?$dev->getInfo().';':'').strtolower($ar_buf2[1]));
						}
					}
				}
			}
			if ($was) {
				$dev->setErrors($errors);
				$dev->setDrops($drops);
				$this->sys->setNetDevices($dev);
			}
		}
	}

	/**
	 * Processes
	 *
	 * @return void
	 */
	protected function _processes()
	{
		if (CommonFunctions::executeProgram('ps', '', $bufr, PSI_DEBUG)) {
			$lines = preg_split("/\n/", $bufr, -1, PREG_SPLIT_NO_EMPTY);
			$processes['*'] = 0;
			foreach ($lines as $line) {
				if (preg_match("/^(kernel_team|\/)/", $line, $ar_buf)) {
					$processes['*']++;
				}
			}
			if ($processes['*'] > 0) {
				$processes[' '] = $processes['*'];
				$this->sys->setProcesses($processes);
			}
		}
	}

	/**
	 * get the information
	 *
	 * @return Void
	 */
	public function build()
	{
		$this->error->addError("WARN", "The Haiku version of phpSysInfo is a work in progress, some things currently don't work");
		$this->_distro();
		$this->_hostname();
		$this->_kernel();
		$this->_uptime();
		$this->_users();
		$this->_loadavg();
		$this->_pci();
		$this->_usb();
		$this->_cpuinfo();
		$this->_memory();
		$this->_filesystems();
		$this->_network();
		$this->_processes();
	}
}