Android::_filesystems PHP Method

_filesystems() private method

filesystem information
private _filesystems ( ) : void
return void
    private function _filesystems()
    {
        $notwas = true;
        if (CommonFunctions::executeProgram('df', '2>/dev/null ', $df, PSI_DEBUG) && preg_match("/\\s+[0-9\\.]+[KMGT]\\s+/", $df)) {
            $df = preg_split("/\n/", $df, -1, PREG_SPLIT_NO_EMPTY);
            if (CommonFunctions::executeProgram('mount', '', $mount, PSI_DEBUG)) {
                $mount = preg_split("/\n/", $mount, -1, PREG_SPLIT_NO_EMPTY);
                foreach ($mount as $mount_line) {
                    $mount_buf = preg_split('/\\s+/', $mount_line);
                    if (count($mount_buf) == 6) {
                        $mount_parm[$mount_buf[1]]['fstype'] = $mount_buf[2];
                        if (PSI_SHOW_MOUNT_OPTION) {
                            $mount_parm[$mount_buf[1]]['options'] = $mount_buf[3];
                        }
                        $mount_parm[$mount_buf[1]]['mountdev'] = $mount_buf[0];
                    }
                }
                foreach ($df as $df_line) {
                    if ((preg_match("/^(\\/\\S+)(\\s+)(([0-9\\.]+)([KMGT])(\\s+)([0-9\\.]+)([KMGT])(\\s+)([0-9\\.]+)([KMGT])(\\s+))/", $df_line, $df_buf) || preg_match("/^(\\/[^\\s\\:]+)\\:(\\s+)(([0-9\\.]+)([KMGT])(\\s+total\\,\\s+)([0-9\\.]+)([KMGT])(\\s+used\\,\\s+)([0-9\\.]+)([KMGT])(\\s+available))/", $df_line, $df_buf)) && !preg_match('/^\\/mnt\\/asec\\/com\\./', $df_buf[1])) {
                        $dev = new DiskDevice();
                        if (PSI_SHOW_MOUNT_POINT) {
                            $dev->setMountPoint($df_buf[1]);
                        }
                        if ($df_buf[5] == 'K') {
                            $dev->setTotal($df_buf[4] * 1024);
                        } elseif ($df_buf[5] == 'M') {
                            $dev->setTotal($df_buf[4] * 1024 * 1024);
                        } elseif ($df_buf[5] == 'G') {
                            $dev->setTotal($df_buf[4] * 1024 * 1024 * 1024);
                        } elseif ($df_buf[5] == 'T') {
                            $dev->setTotal($df_buf[4] * 1024 * 1024 * 1024 * 1024);
                        }
                        if ($df_buf[8] == 'K') {
                            $dev->setUsed($df_buf[7] * 1024);
                        } elseif ($df_buf[8] == 'M') {
                            $dev->setUsed($df_buf[7] * 1024 * 1024);
                        } elseif ($df_buf[8] == 'G') {
                            $dev->setUsed($df_buf[7] * 1024 * 1024 * 1024);
                        } elseif ($df_buf[8] == 'T') {
                            $dev->setUsed($df_buf[7] * 1024 * 1024 * 1024 * 1024);
                        }
                        if ($df_buf[11] == 'K') {
                            $dev->setFree($df_buf[10] * 1024);
                        } elseif ($df_buf[11] == 'M') {
                            $dev->setFree($df_buf[10] * 1024 * 1024);
                        } elseif ($df_buf[11] == 'G') {
                            $dev->setFree($df_buf[10] * 1024 * 1024 * 1024);
                        } elseif ($df_buf[11] == 'T') {
                            $dev->setFree($df_buf[10] * 1024 * 1024 * 1024 * 1024);
                        }
                        if (isset($mount_parm[$df_buf[1]])) {
                            $dev->setFsType($mount_parm[$df_buf[1]]['fstype']);
                            $dev->setName($mount_parm[$df_buf[1]]['mountdev']);
                            if (PSI_SHOW_MOUNT_OPTION) {
                                if (PSI_SHOW_MOUNT_CREDENTIALS) {
                                    $dev->setOptions($mount_parm[$df_buf[1]]['options']);
                                } else {
                                    $mpo = $mount_parm[$df_buf[1]]['options'];
                                    $mpo = preg_replace('/(^guest,)|(^guest$)|(,guest$)/i', '', $mpo);
                                    $mpo = preg_replace('/,guest,/i', ',', $mpo);
                                    $mpo = preg_replace('/(^user=[^,]*,)|(^user=[^,]*$)|(,user=[^,]*$)/i', '', $mpo);
                                    $mpo = preg_replace('/,user=[^,]*,/i', ',', $mpo);
                                    $mpo = preg_replace('/(^username=[^,]*,)|(^username=[^,]*$)|(,username=[^,]*$)/i', '', $mpo);
                                    $mpo = preg_replace('/,username=[^,]*,/i', ',', $mpo);
                                    $mpo = preg_replace('/(^password=[^,]*,)|(^password=[^,]*$)|(,password=[^,]*$)/i', '', $mpo);
                                    $mpo = preg_replace('/,password=[^,]*,/i', ',', $mpo);
                                    $dev->setOptions($mpo);
                                }
                            }
                        }
                        $this->sys->setDiskDevices($dev);
                        $notwas = false;
                    }
                }
            }
        }
        if ($notwas) {
            // try Linux df style
            $arrResult = Parser::df("-P 2>/dev/null", false);
            foreach ($arrResult as $dev) {
                $this->sys->setDiskDevices($dev);
            }
        }
    }