tools/btardump.cc

   1 ///
   2 /// \file       tardump.cc
   3 ///             Utility to dump tarball backup records to stdout.
   4 ///
   5
   6 /*
   7     Copyright (C) 2010, Net Direct Inc. (http://www.netdirect.ca/)
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #include <barry/barry.h>
  23 #include <barry/barrybackup.h>
  24 #include <iostream>
  25 #include <iomanip>
  26 #include <getopt.h>
  27
  28 using namespace std;
  29 using namespace Barry;
  30
  31 void Usage()
  32 {
  33    int major, minor;
  34    const char *Version = Barry::Version(major, minor);
  35
  36    cerr
  37    << "btardump - Command line parser for Barry backup files\n"
  38    << "           Copyright 2010, Net Direct Inc. (http://www.netdirect.ca/)\n"
  39    << "           Using: " << Version << "\n"
  40    << "\n"
  41    << "   -d db     Name of database to dump.  Can be used multiple times\n"
  42    << "             to parse multiple databases at once.  If not specified\n"
  43    << "             at all, all available databases from the backup are\n"
  44    << "             dumped.\n"
  45    << "   -h        This help\n"
  46    << "\n"
  47    << "   [files...] Backup file(s), created by btool or the backup GUI.\n"
  48    << endl;
  49 }
  50
  51 int main(int argc, char *argv[])
  52 {
  53         try {
  54
  55                 vector<string> db_names;
  56                 vector<string> backup_files;
  57
  58                 // process command line options
  59                 for(;;) {
  60                         int cmd = getopt(argc, argv, "d:h");
  61                         if( cmd == -1 )
  62                                 break;
  63
  64                         switch( cmd )
  65                         {
  66                         case 'd':       // show dbname
  67                                 db_names.push_back(string(optarg));
  68                                 break;
  69
  70                         case 'h':       // help
  71                         default:
  72                                 Usage();
  73                                 return 0;
  74                         }
  75                 }
  76
  77                 // grab all backup filenames
  78                 while( optind < argc ) {
  79                         backup_files.push_back(string(argv[optind++]));
  80                 }
  81
  82                 if( backup_files.size() == 0 ) {
  83                         Usage();
  84                         return 0;
  85                 }
  86
  87
  88
  89                 Barry::Init();
  90
  91                 // create the parser, and use stdout dump objects for output
  92                 AllRecordParser parser(cout,
  93                         new HexDumpParser(cout),
  94                         new AllRecordDumpStore(cout));
  95
  96                 for( size_t i = 0; i < backup_files.size(); i++ ) {
  97
  98                         cout << "Reading file: " << backup_files[i] << endl;
  99
 100                         Restore builder(backup_files[i]);
 101
 102                         // add desired database names
 103                         for( size_t j = 0; j < db_names.size(); j++ ) {
 104                                 builder.AddDB(db_names[i]);
 105                         }
 106
 107                         // create the pipe to connect builder to parser and
 108                         // move the data
 109                         Pipe pipe(builder);
 110                         pipe.PumpFile(parser);
 111                 }
 112
 113         }
 114         catch( exception &e ) {
 115                 cerr << e.what() << endl;
 116                 return 1;
 117         }
 118
 119         return 0;
 120 }
 121