<?php
/**
 * Darwin System Class
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PSI Darwin 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 2, or (at your option) any later version
 * @version   SVN: $Id: class.Darwin.inc.php 638 2012-08-24 09:40:48Z namiltd $
 * @link      http://phpsysinfo.sourceforge.net
 */
 /**
 * Darwin sysinfo class
 * get all the required information from Darwin system
 * information may be incomplete
 *
 * @category  PHP
 * @package   PSI Darwin 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 2, or (at your option) any later version
 * @version   Release: 3.0
 * @link      http://phpsysinfo.sourceforge.net
 */
class Darwin extends BSDCommon
{
    /**
     * define the regexp for log parser
     */
    /* public function __construct($blockname = false)
    {
        parent::__construct($blockname);
        $this->error->addWarning("The Darwin version of phpSysInfo is a work in progress, some things currently don't work!");
        $this->setCPURegExp1("/CPU: (.*) \((.*)-MHz (.*)\)/");
        $this->setCPURegExp2("/(.*) ([0-9]+) ([0-9]+) ([0-9]+) ([0-9]+)/");
        $this->setSCSIRegExp1("/^(.*): <(.*)> .*SCSI.*device/");
    } */

    /**
     * get a value from sysctl command
     *
     * @param string $key key of the value to get
     *
     * @return string
     */
    protected function grabkey($key)
    {
        if (CommonFunctions::executeProgram('sysctl', $key, $s, PSI_DEBUG)) {
            $s = preg_replace('/'.$key.': /', '', $s);
            $s = preg_replace('/'.$key.' = /', '', $s);

            return $s;
        } else {
            return '';
        }
    }

    /**
     * get a value from ioreg command
     *
     * @param string $key key of the value to get
     *
     * @return string
     */
    private function _grabioreg($key)
    {
        if (CommonFunctions::executeProgram('ioreg', '-c "'.$key.'"', $s, PSI_DEBUG)) {
            /* delete newlines */
            $s = preg_replace("/\s+/", " ", $s);
            /* new newlines */
            $s = preg_replace("/[\|\t ]*\+\-o/", "\n", $s);
            /* combine duplicate whitespaces and some chars */
            $s = preg_replace("/[\|\t ]+/", " ", $s);

            $lines = preg_split("/\n/", $s, -1, PREG_SPLIT_NO_EMPTY);
            $out = "";
            foreach ($lines as $line) {
                if (preg_match('/^([^<]*) <class '.$key.',/', $line)) {
                    $out .= $line."\n";
                }
            }

            return $out;
        } else {
            return '';
        }
    }

    /**
     * get CPU information
     *
     * @return void
     */
    protected function cpuinfo()
    {
        $dev = new CpuDevice();
        if (CommonFunctions::executeProgram('hostinfo', '', $buf, PSI_DEBUG) && ($buf !== '') && preg_match('/^Processor type:[ ]+(.+)$/m', $buf, $proc) && (($proc[1] = trim($proc[1])) !== '')) {
            $dev->setModel($proc[1]);
            $buf=$this->grabkey('hw.model');
            if (($buf !== null) && (trim($buf) != "")) {
                $this->sys->setMachine(trim($buf));
                if (CommonFunctions::rftsdata('ModelTranslation.txt', $buffer)) {
                    $buffer = preg_split("/\n/", $buffer, -1, PREG_SPLIT_NO_EMPTY);
                    foreach ($buffer as $line) {
                        $ar_buf = preg_split("/:/", $line, 3);
                        if (trim($buf) === trim($ar_buf[0])) {
                            $dev->setModel(trim($ar_buf[2]));
                            $this->sys->setMachine($this->sys->getMachine().' - '.trim($ar_buf[1]));
                            break;
                        }
                    }
                }
            }
            $buf=$this->grabkey('machdep.cpu.brand_string');
            if (($buf !== null) && (trim($buf) != "") &&
                 ((trim($buf) != "i486 (Intel 80486)") || ($dev->getModel() == ""))) {
                $dev->setModel(trim($buf));
            }
            $buf=$this->grabkey('machdep.cpu.features');
            if (($buf !== null) && (trim($buf) != "")) {
                if (preg_match("/ VMX/", $buf)) {
                    $dev->setVirt("vmx");
                } elseif (preg_match("/ SVM/", $buf)) {
                    $dev->setVirt("svm");
                }
            }
        }
        $dev->setCpuSpeed(round($this->grabkey('hw.cpufrequency') / 1000000));
        $dev->setBusSpeed(round($this->grabkey('hw.busfrequency') / 1000000));
        $bufn=$this->grabkey('hw.cpufrequency_min');
        $bufx=$this->grabkey('hw.cpufrequency_max');
        if (($bufn !== null) && (trim($bufn) != "") && ($bufx !== null) && (trim($bufx) != "") && ($bufn != $bufx)) {
            $dev->setCpuSpeedMin(round($bufn / 1000000));
            $dev->setCpuSpeedMax(round($bufx / 1000000));
        }
        $buf=$this->grabkey('hw.l2cachesize');
        if ($buf !== "") {
            $dev->setCache(round($buf));
        }
        $ncpu = $this->grabkey('hw.ncpu');
        if (($ncpu === "") || !($ncpu >= 1)) {
            $ncpu = 1;
        }
        if (($ncpu == 1) && PSI_LOAD_BAR) {
            $dev->setLoad($this->cpuusage());
        }
        for ($ncpu ; $ncpu > 0 ; $ncpu--) {
            $this->sys->setCpus($dev);
        }
    }

    /**
     * get the pci device information out of ioreg
     *
     * @return void
     */
    protected function pci()
    {
        if (!$arrResults = Parser::lspci(false)) { //no lspci port
            $s = $this->_grabioreg('IOPCIDevice');
            $lines = preg_split("/\n/", $s, -1, PREG_SPLIT_NO_EMPTY);
            foreach ($lines as $line) {
                $dev = new HWDevice();
                if (!preg_match('/"IOName" = "([^"]*)"/', $line, $ar_buf)) {
                    $ar_buf = preg_split("/[\s@]+/", $line, 19);
                }
                if (preg_match('/"model" = <?"([^"]*)"/', $line, $ar_buf2)) {
                    $dev->setName(trim($ar_buf[1]). ": ".trim($ar_buf2[1]));
                } else {
                    $dev->setName(trim($ar_buf[1]));
                }
                $this->sys->setPciDevices($dev);
            }
        } else {
            foreach ($arrResults as $dev) {
                $this->sys->setPciDevices($dev);
            }
        }
    }

    /**
     * get the ide device information out of ioreg
     *
     * @return void
     */
    protected function ide()
    {
        $s = $this->_grabioreg('IOATABlockStorageDevice');
        $lines = preg_split("/\n/", $s, -1, PREG_SPLIT_NO_EMPTY);
        foreach ($lines as $line) {
                    $dev = new HWDevice();
                    if (!preg_match('/"Product Name"="([^"]*)"/', $line, $ar_buf))
                       $ar_buf = preg_split("/[\s@]+/", $line, 19);
                    $dev->setName(trim($ar_buf[1]));
                    $this->sys->setIdeDevices($dev);
        }

        $s = $this->_grabioreg('IOAHCIBlockStorageDevice');
        $lines = preg_split("/\n/", $s, -1, PREG_SPLIT_NO_EMPTY);
        foreach ($lines as $line) {
                    $dev = new HWDevice();
                    if (!preg_match('/"Product Name"="([^"]*)"/', $line, $ar_buf))
                       $ar_buf = preg_split("/[\s@]+/", $line, 19);
                    $dev->setName(trim($ar_buf[1]));
                    $this->sys->setIdeDevices($dev);
        }
    }

    /**
     * get the usb device information out of ioreg
     *
     * @return void
     */
    protected function usb()
    {
        $s = $this->_grabioreg('IOUSBDevice');
        $lines = preg_split("/\n/", $s, -1, PREG_SPLIT_NO_EMPTY);
        foreach ($lines as $line) {
                    $dev = new HWDevice();
                    if (!preg_match('/"USB Product Name" = "([^"]*)"/', $line, $ar_buf))
                       $ar_buf = preg_split("/[\s@]+/", $line, 19);
                    $dev->setName(trim($ar_buf[1]));
                    if (defined('PSI_SHOW_DEVICES_INFOS') && PSI_SHOW_DEVICES_INFOS) {
                        if (preg_match('/"USB Vendor Name" = "([^"]*)"/', $line, $ar_buf)) {
                            $dev->setManufacturer(trim($ar_buf[1]));
                        }
                        if (preg_match('/"USB Product Name" = "([^"]*)"/', $line, $ar_buf)) {
                            $dev->setProduct(trim($ar_buf[1]));
                        }
                        if (defined('PSI_SHOW_DEVICES_SERIAL') && PSI_SHOW_DEVICES_SERIAL
                           && preg_match('/"USB Serial Number" = "([^"]*)"/', $line, $ar_buf)) {
                            $dev->setSerial(trim($ar_buf[1]));
                        }
                    }
                    $this->sys->setUsbDevices($dev);
        }
    }

    /**
     * get the scsi device information out of ioreg
     *
     * @return void
     */
    protected function scsi()
    {
        $s = $this->_grabioreg('IOBlockStorageServices');
        $lines = preg_split("/\n/", $s, -1, PREG_SPLIT_NO_EMPTY);
        foreach ($lines as $line) {
                    $dev = new HWDevice();
                    if (!preg_match('/"Product Name"="([^"]*)"/', $line, $ar_buf))
                       $ar_buf = preg_split("/[\s@]+/", $line, 19);
                    $dev->setName(trim($ar_buf[1]));
                    $this->sys->setScsiDevices($dev);
        }
    }

    /**
     * get memory and swap information
     *
     * @return void
     */
    protected function memory()
    {
        if (($s = $this->grabkey('hw.memsize')) > 0) {
            $this->sys->setMemTotal($s);
            if (CommonFunctions::executeProgram('vm_stat', '', $pstat, PSI_DEBUG)) {
                // calculate free memory from page sizes (each page = 4096)
                if (preg_match('/^Pages free:\s+(\S+)/m', $pstat, $free_buf)) {
                    if (preg_match('/^Anonymous pages:\s+(\S+)/m', $pstat, $anon_buf)
                       && preg_match('/^Pages wired down:\s+(\S+)/m', $pstat, $wire_buf)
                       && preg_match('/^File-backed pages:\s+(\S+)/m', $pstat, $fileb_buf)) {
                            // OS X 10.9 or never
                            $this->sys->setMemFree($free_buf[1] * 4 * 1024);
                            $this->sys->setMemApplication(($anon_buf[1]+$wire_buf[1]) * 4 * 1024);
                            $this->sys->setMemCache($fileb_buf[1] * 4 * 1024);
                            if (preg_match('/^Pages occupied by compressor:\s+(\S+)/m', $pstat, $compr_buf)) {
                                $this->sys->setMemBuffer($compr_buf[1] * 4 * 1024);
                            }
                    } else {
                        if (preg_match('/^Pages speculative:\s+(\S+)/m', $pstat, $spec_buf)) {
                            $this->sys->setMemFree(($free_buf[1]+$spec_buf[1]) * 4 * 1024);
                        } else {
                            $this->sys->setMemFree($free_buf[1] * 4 * 1024);
                        }
                        $appMemory = 0;
                        if (preg_match('/^Pages wired down:\s+(\S+)/m', $pstat, $wire_buf)) {
                            $appMemory += $wire_buf[1] * 4 * 1024;
                        }
                        if (preg_match('/^Pages active:\s+(\S+)/m', $pstat, $active_buf)) {
                            $appMemory += $active_buf[1] * 4 * 1024;
                        }
                        $this->sys->setMemApplication($appMemory);

                        if (preg_match('/^Pages inactive:\s+(\S+)/m', $pstat, $inactive_buf)) {
                            $this->sys->setMemCache($inactive_buf[1] * 4 * 1024);
                        }
                    }
                } else {
                    $lines = preg_split("/\n/", $pstat, -1, PREG_SPLIT_NO_EMPTY);
                    $ar_buf = preg_split("/\s+/", $lines[1], 19);
                    $this->sys->setMemFree($ar_buf[2] * 4 * 1024);
                }
                $this->sys->setMemUsed($this->sys->getMemTotal() - $this->sys->getMemFree());
            }

            if (($swap = $this->grabkey("vm.swapusage")) > 0) {
                $swap0 = preg_split('/M/', $swap);
                $swap1 = preg_split('/=/', $swap0[0]);
                $swap2 = preg_split('/=/', $swap0[1]);
                $swap3 = preg_split('/=/', $swap0[2]);
                if (($swap=str_replace(',', '.', trim($swap1[1]))) > 0) {
                    $dev = new DiskDevice();
                    $dev->setName('SWAP');
                    $dev->setMountPoint('SWAP');
                    $dev->setFsType('swap');
                    $dev->setTotal($swap * 1024 * 1024);
                    $dev->setUsed(str_replace(',', '.', trim($swap2[1])) * 1024 * 1024);
                    $dev->setFree(str_replace(',', '.', trim($swap3[1])) * 1024 * 1024);
                    $this->sys->setSwapDevices($dev);
                }
            }
        }
    }

    /**
     * get the thunderbolt device information out of ioreg
     *
     * @return void
     */
    protected function _tb()
    {
        $s = $this->_grabioreg('IOThunderboltPort');
        $lines = preg_split("/\n/", $s, -1, PREG_SPLIT_NO_EMPTY);
        foreach ($lines as $line) {
                    $dev = new HWDevice();
                    if (!preg_match('/"Description" = "([^"]*)"/', $line, $ar_buf))
                       $ar_buf = preg_split("/[\s@]+/", $line, 19);
                    $dev->setName(trim($ar_buf[1]));
                    $this->sys->setTbDevices($dev);
        }
    }

    /**
     * get network information
     *
     * @return void
     */
    private function _network()
    {
        if (CommonFunctions::executeProgram('netstat', '-nbdi | cut -c1-24,42- | grep Link', $netstat, PSI_DEBUG)) {
            $lines = preg_split("/\n/", $netstat, -1, PREG_SPLIT_NO_EMPTY);
            foreach ($lines as $line) {
                $ar_buf = preg_split("/\s+/", $line, 10);
                if (!empty($ar_buf[0])) {
                    $dev = new NetDevice();
                    $dev->setName($ar_buf[0]);
                    $dev->setTxBytes($ar_buf[8]);
                    $dev->setRxBytes($ar_buf[5]);
                    $dev->setErrors($ar_buf[4] + $ar_buf[7]);
                    if (isset($ar_buf[10])) {
                        $dev->setDrops($ar_buf[10]);
                    }
                    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)) {
                                if (!defined('PSI_HIDE_NETWORK_MACADDR') || !PSI_HIDE_NETWORK_MACADDR) $dev->setInfo(($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
     *
     * @return void
     */
    protected function distro()
    {
        $this->sys->setDistributionIcon('Darwin.png');
        if ((!CommonFunctions::executeProgram('system_profiler', 'SPSoftwareDataType', $buffer, PSI_DEBUG) || !preg_match('/\n\s*System Version:/', $buffer))
           && (!CommonFunctions::executeProgram('sw_vers', '', $buffer, PSI_DEBUG) || !preg_match('/^ProductName:/', $buffer))) {
            parent::distro();
        } else {
            $distro_tmp = preg_split("/\n/", $buffer, -1, PREG_SPLIT_NO_EMPTY);
            foreach ($distro_tmp as $info) {
                $info_tmp = preg_split('/:/', $info, 2);
                if (isset($distro_tmp[0]) && ($distro_tmp[0] !== null) && (trim($distro_tmp[0]) != "") &&
                     isset($distro_tmp[1]) && ($distro_tmp[1] !== null) && (trim($distro_tmp[1]) != "")) {
                    $distro_arr[trim($info_tmp[0])] = trim($info_tmp[1]);
                }
            }
            if (isset($distro_arr['ProductName']) && isset($distro_arr['ProductVersion']) && isset($distro_arr['BuildVersion'])) {
                $distro_arr['System Version'] = $distro_arr['ProductName'].' '.$distro_arr['ProductVersion'].' ('.$distro_arr['BuildVersion'].')';
            }
            if (isset($distro_arr['System Version'])) {
                $distro = $distro_arr['System Version'];
                if (preg_match('/^Mac OS |^OS X |^macOS |^iPhone OS |^Mac OS$|^OS X$|^macOS$|^iPhone OS$/', $distro)) {
                    $this->sys->setDistributionIcon('Apple.png');
                    if (preg_match('/(^Mac OS X Server|^Mac OS X|^OS X Server|^OS X|^macOS Server|^macOS) ((\d+)\.\d+)/', $distro, $ver)
                        && ($list = @parse_ini_file(PSI_APP_ROOT."/data/osnames.ini", true))) {
                        if (isset($list['macOS'][$ver[2]])) {
                            $distro.=' '.$list['macOS'][$ver[2]];
                        } elseif (isset($list['macOS'][$ver[3]])) {
                            $distro.=' '.$list['macOS'][$ver[3]];
                        }
                    }
                }
                $this->sys->setDistribution($distro);
            } else {
                parent::distro();
            }
        }
    }

    /**
     * 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 == 'U') $state = 'D'; //linux format
                    elseif ($state == 'I') $state = 'S';
                    elseif ($state == 'D') $state = 'd'; //invalid
                    if (isset($processes[$state])) {
                        $processes[$state]++;
                    } else {
                        $processes[$state] = 1;
                    }
                }
            }
            if ($processes['*'] > 0) {
                $this->sys->setProcesses($processes);
            }
        }
    }

    /**
     * get the information
     *
     * @see PSI_Interface_OS::build()
     *
     * @return void
     */
    public function build()
    {
        parent::build();
        if (!$this->blockname || $this->blockname==='vitals') {
            $this->_processes();
        }
        if (!$this->blockname || $this->blockname==='hardware') {
            $this->_tb();
        }
        if (!$this->blockname || $this->blockname==='network') {
            $this->_network();
        }
    }
}