library/Msd/File/Dump.php

@@ -0,0 +1,126 @@
+<?php
+/**
+ * This file is part of MySQLDumper released under the GNU/GPL 2 license
+ * http://www.mysqldumper.net
+ *
+ * @package         MySQLDumper
+ * @subpackage      File
+ * @version         SVN: $rev: 1207 $
+ * @author          $Author$
+ */
+
+/**
+ * Dumpfile-Helper Class
+ *
+ * Class offers some methods for file handling
+ * 
+ * @package         MySQLDumper
+ * @subpackage      File
+ */
+class Msd_File_Dump extends Msd_File
+{
+    /**
+     * Get statusline information from backup file
+     * 
+     * @param string $filename Name of file to read
+     * 
+     * @param array
+     */
+    public static function getStatusline($filename)
+    {
+        $config = Msd_Configuration::getInstance();
+        $path = $config->get('paths.backup'). DS;
+        if (strtolower(substr($filename, -3)) == '.gz') {
+            $fileHandle = gzopen($path . $filename, "r");
+            if ($fileHandle === false) {
+                throw new Exception('Can\'t open file '.$filename);
+            }
+            $statusline = gzgets($fileHandle, 40960);
+            gzclose($fileHandle);
+        } else {
+            $fileHandle=fopen($path . $filename, "r");
+            if ($fileHandle === false) {
+                throw new Exception('Can\'t open file '.$filename);
+            }
+            $statusline = fgets($fileHandle, 5000);
+            fclose($fileHandle);
+        }
+        return self::_explodeStatusline($statusline);
+    }
+
+    /**
+     * Get information from stausline string
+     * 
+     * @param string $line
+     * 
+     * @return array
+     */
+    private function _explodeStatusline($line)
+    {
+        /*Construction of statusline (first line in backup file):
+            -- Status : NrOfTables : nrOfRecords : Multipart : DatabaseName : 
+            script : scriptversion : Comment : MySQLVersion : 
+            Backupflags (unused): SQLBefore : SQLAfter : Charset : EXTINFO
+        */
+        $statusline = array();
+        $compare = substr($line, 0, 8);
+        if ( $compare != '# Status' && $compare != '-- Statu') { 
+            // not a backup of MySQLDumper
+            return self::_getDefaultStatusline();
+        } else {
+            // extract informationen
+            $flag = explode(':', $line);
+            if (count($flag)<12) {
+                // fill missing elements for backwards compatibility
+                array_pop($flag);
+                for ($i = count($flag) - 1; $i < 12; $i++) {
+                    $flag[]='';
+                }
+            }
+            $statusline['tables'] = $flag[1];
+            $statusline['records'] = $flag[2];
+            if ($flag[3] == '' || $flag[3] == 'MP_0') {
+                $statusline['part']= 'MP_0';
+            } else {
+                $statusline['part'] = $flag[3];
+            }
+            $statusline['dbname'] = $flag[4];
+            $statusline['script'] = $flag[5];
+            $statusline['scriptversion'] = $flag[6];
+            $statusline['comment'] = $flag[7];
+            $statusline['mysqlversion'] = $flag[8];
+            $statusline['flags'] = $flag[9];
+            $statusline['sqlbefore'] = $flag[10];
+            $statusline['sqlafter'] = $flag[11];
+            if ( isset($flag[12]) && trim($flag[12])!='EXTINFO') {
+                $statusline['charset']=$flag[12];
+            } else {
+                $statusline['charset']='?';
+            }
+        }
+        return $statusline;
+    }
+
+    /**
+     * Get default statusline
+     * 
+     * @return array
+     */
+    private function _getDefaultStatusline()
+    {
+        $statusline['tables'] = -1;
+        $statusline['records'] = -1;
+        $statusline['part'] = 'MP_0';
+        $statusline['dbname'] = 'unknown';
+        $statusline['script'] = '';
+        $statusline['scriptversion'] = '';
+        $statusline['comment'] = '';
+        $statusline['mysqlversion'] = 'unknown';
+        $statusline['flags'] = '2222222';
+        $statusline['sqlbefore'] = '';
+        $statusline['sqlafter'] = '';
+        $statusline['charset'] = '?';
+        return $statusline;
+    }
+    
+}