class.linux.inc.php

来自「eGroupWare is a multi-user, web-based gr」· PHP 代码 · 共 440 行 · 第 1/2 页

                // Check if device is CD-ROM (CD-ROM capacity shows as 1024 GB)
                if ($fd = fopen("/proc/ide/$file/media", 'r')) {
                    $results[$file]['media'] = trim(fgets($fd, 4096));
                    if ($results[$file]['media'] == 'disk') {
                        $results[$file]['media'] = 'Hard Disk';
                    }

                    if ($results[$file]['media'] == 'cdrom') {
                        $results[$file]['media'] = 'CD-ROM';
                    }
                    fclose($fd);
                }

                if ($fd = fopen("/proc/ide/$file/model", 'r')) {
                    $results[$file]['model'] = trim(fgets($fd, 4096));
                    if (preg_match('/WDC/', $results[$file]['model'])) {
                        $results[$file]['manufacture'] = 'Western Digital';

                    } elseif (preg_match('/IBM/', $results[$file]['model'])) {
                        $results[$file]['manufacture'] = 'IBM';

                    } elseif (preg_match('/FUJITSU/', $results[$file]['model'])) {
                        $results[$file]['manufacture'] = 'Fujitsu';

                    } else {
                        $results[$file]['manufacture'] = 'Unknown';
                    }

                    fclose($fd);
                }

                if ($fd = fopen("/proc/ide/$file/capacity", 'r')) {
                    $results[$file]['capacity'] = trim(fgets($fd, 4096));
                    if ($results[$file]['media'] == 'CD-ROM') {
                        unset($results[$file]['capacity']);
                    }
                    fclose($fd);
                }
            }
        }
        closedir($handle); 

        return $results;
    }

    function scsi () {
        $results    = array();
        $dev_vendor = '';
        $dev_model  = '';
        $dev_rev    = '';
        $dev_type   = '';

        if ($fd = fopen('/proc/scsi/scsi', 'r')) {
            while ($buf = fgets($fd, 4096)) {
                if (preg_match('/Vendor/', $buf)) {
                    preg_match('/Vendor: (.*) Model: (.*) Rev: (.*)/i', $buf, $dev);
                    list($key, $value) = split(': ', $buf, 2);
                    $dev_str  = $value;
                    $get_type = 1;
                    continue;
                }

                if ($get_type) {
                    preg_match('/Type:\s+(\S+)/i', $buf, $dev_type);
                    $results[] = "$dev[1] $dev[2] ( $dev_type[1] )";
                    $get_type = 0;
                }
            }
        }
        return $results;
    }

    function network () {
        $results = array();

        if ($fd = fopen('/proc/net/dev', 'r')) {
            while ($buf = fgets($fd, 4096)) {
                if (preg_match('/:/', $buf)) {
                    list($dev_name, $stats_list) = preg_split('/:/', $buf, 2);
                    $stats = preg_split('/\s+/', trim($stats_list));
                    $results[$dev_name] = array();

                    $results[$dev_name]['rx_bytes']   = $stats[0];
                    $results[$dev_name]['rx_packets'] = $stats[1];
                    $results[$dev_name]['rx_errs']    = $stats[2];
                    $results[$dev_name]['rx_drop']    = $stats[3];

                    $results[$dev_name]['tx_bytes']   = $stats[8];
                    $results[$dev_name]['tx_packets'] = $stats[9];
                    $results[$dev_name]['tx_errs']    = $stats[10];
                    $results[$dev_name]['tx_drop']    = $stats[11];

                    $results[$dev_name]['errs']       = $stats[2] + $stats[10];
                    $results[$dev_name]['drop']       = $stats[3] + $stats[11];
                }
            }
        }
        return $results;
    }

    function memory () {
	    $uname = posix_uname();
	    if ($fd = fopen('/proc/meminfo', 'r')) {
		    if(preg_match('/^2\.(5|6)\.\d+/i',$uname['release'])) {
			    $results['ram'] = array();
			    $results['swap'] = array();
			    $results['devswap'] = array();

			    while ($buf = fgets($fd, 4096)) {
				    if (preg_match('/^MemTotal:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
					    $results['ram']['total']=$ar_buf[1];

				    } else if (preg_match('/^MemFree:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
					    $results['ram']['free']=$ar_buf[1];
					    
				    } else if (preg_match('/^Cached:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
					    $results['ram']['cached']=$ar_buf[1];

				    } else if (preg_match('/^Buffers:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
					    $results['ram']['buffers']=$ar_buf[1];
				    }  else if (preg_match('/^SwapTotal:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
					    $results['swap']['total']=$ar_buf[1];
				    }   else if (preg_match('/^SwapFree:\s+(.*)\s*kB/i', $buf, $ar_buf)) {
					    $results['swap']['free']=$ar_buf[1];
				    } 

			    }
			    $results['ram']['shared']=0;
			    $results['ram']['used']=$results['ram']['total']-$results['ram']['free'];
			    $results['swap']['used']=$results['swap']['total']-$results['swap']['free'];
		    } else {
			    while ($buf = fgets($fd, 4096)) {
				    if (preg_match('/Mem:\s+(.*)$/', $buf, $ar_buf)) {
					    $ar_buf = preg_split('/\s+/', $ar_buf[1], 6);

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

					    $results['ram']['total']   = $ar_buf[0] / 1024;
					    $results['ram']['used']    = $ar_buf[1] / 1024;
					    $results['ram']['free']    = $ar_buf[2] / 1024;
					    $results['ram']['shared']  = $ar_buf[3] / 1024;
					    $results['ram']['buffers'] = $ar_buf[4] / 1024;
					    $results['ram']['cached']  = $ar_buf[5] / 1024;
				    }

				    if (preg_match('/Swap:\s+(.*)$/', $buf, $ar_buf)) {
					    $ar_buf = preg_split('/\s+/', $ar_buf[1], 3);

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

					    $results['swap']['total']   = $ar_buf[0] / 1024;
					    $results['swap']['used']    = $ar_buf[1] / 1024;
					    $results['swap']['free']    = $ar_buf[2] / 1024;

					    // Get info on individual swap files
					    break;
				    }
			    }
			    fclose($fd);
		    }
		    $swaps = file ('/proc/swaps');
		    $swapdevs = split("\n", $swaps);

		    for ($i = 1; $i < (sizeof($swapdevs) - 1); $i++) {
			    $ar_buf = preg_split('/\s+/', $swapdevs[$i], 6);

			    $results['devswap'][$i - 1] = array();
			    $results['devswap'][$i - 1]['dev']     = $ar_buf[0];
			    $results['devswap'][$i - 1]['total']   = $ar_buf[2];
			    $results['devswap'][$i - 1]['used']    = $ar_buf[3];
			    $results['devswap'][$i - 1]['free']    = ($results['devswap'][$i - 1]['total'] - $results['devswap'][$i - 1]['used']);
			    $results['devswap'][$i - 1]['percent'] = round(($ar_buf[3] * 100) / $ar_buf[2]);
		    }

		    // I don't like this since buffers and cache really aren't 
		    // 'used' per say, but I get too many emails about it.
		    $results['ram']['t_used']  = $results['ram']['used'];
		    $results['ram']['t_free']  = $results['ram']['total'] - $results['ram']['t_used'];
		    $results['ram']['percent'] = round(($results['ram']['t_used'] * 100) / $results['ram']['total']);
		    $results['swap']['percent'] = round(($results['swap']['used'] * 100) / $results['swap']['total']);

	    } else {
		    $results['ram'] = array();
		    $results['swap'] = array();
		    $results['devswap'] = array();
	    }
	    return $results;
    }

    function filesystems () {
        $df = execute_program('df', '-kP');
        $mounts = split("\n", $df);
        $fstype = array();

        if ($fd = fopen('/proc/mounts', 'r')) {
            while ($buf = fgets($fd, 4096)) {
                list($dev, $mpoint, $type) = preg_split('/\s+/', trim($buf), 4);
                $fstype[$mpoint] = $type;
                $fsdev[$dev] = $type;
            }
            fclose($fd);
        }

        for ($i = 1; $i < sizeof($mounts); $i++) {
            $ar_buf = preg_split('/\s+/', $mounts[$i], 6);

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

            $results[$i - 1]['disk'] = $ar_buf[0];
            $results[$i - 1]['size'] = $ar_buf[1];
            $results[$i - 1]['used'] = $ar_buf[2];
            $results[$i - 1]['free'] = $ar_buf[3];
            $results[$i - 1]['percent'] = round(($results[$i - 1]['used'] * 100) / $results[$i - 1]['size']) . '%';
            $results[$i - 1]['mount'] = $ar_buf[5];
            ($fstype[$ar_buf[5]]) ? $results[$i - 1]['fstype'] = $fstype[$ar_buf[5]] : $results[$i - 1]['fstype'] = $fsdev[$ar_buf[0]];
        }
        return $results;
    }
}