[ViewVC] Annotation of: cvs/cvsroot/staticperl/perl/ext/DB_File/dbinfo

#!/usr/local/bin/perl

# Name:         dbinfo -- identify berkeley DB version used to create 
#                         a database file
#
# Author:       Paul Marquess  <Paul.Marquess@btinternet.com>
# Version:      1.05 
# Date          1sh November 2003
#
#     Copyright (c) 1998-2003 Paul Marquess. All rights reserved.
#     This program is free software; you can redistribute it and/or
#     modify it under the same terms as Perl itself.

# Todo: Print more stats on a db file, e.g. no of records
#       add log/txn/lock files

use strict ;

my %Data =
        (
        0x053162 =>     {
                          Type     => "Btree",
                          Versions => 
                                {
                                  1     => [0, "Unknown (older than 1.71)"],
                                  2     => [0, "Unknown (older than 1.71)"],
                                  3     => [0, "1.71 -> 1.85, 1.86"],
                                  4     => [0, "Unknown"],
                                  5     => [0, "2.0.0 -> 2.3.0"],
                                  6     => [0, "2.3.1 -> 2.7.7"],
                                  7     => [0, "3.0.x"],
                                  8     => [0, "3.1.x -> 4.0.x"],
                                  9     => [1, "4.1.x or greater"],
                                }
                        },
        0x061561 =>     {
                          Type     => "Hash",
                          Versions =>
                                {
                                  1     => [0, "Unknown (older than 1.71)"],
                                  2     => [0, "1.71 -> 1.85"],
                                  3     => [0, "1.86"],
                                  4     => [0, "2.0.0 -> 2.1.0"],
                                  5     => [0, "2.2.6 -> 2.7.7"],
                                  6     => [0, "3.0.x"],
                                  7     => [0, "3.1.x -> 4.0.x"],
                                  8     => [1, "4.1.x or greater"],
                                }
                        },
        0x042253 =>     {
                          Type     => "Queue",
                          Versions =>
                                {
                                  1     => [0, "3.0.x"],
                                  2     => [0, "3.1.x"],
                                  3     => [0, "3.2.x -> 4.0.x"],
                                  4     => [1, "4.1.x or greater"],
                                }
                        },
        ) ;

die "Usage: dbinfo file\n" unless @ARGV == 1 ;

print "testing file $ARGV[0]...\n\n" ;
open (F, "<$ARGV[0]") or die "Cannot open file $ARGV[0]: $!\n" ;

my $buff ;
read F, $buff, 30 ;


my (@info) = unpack("NNNNNNC", $buff) ;
my (@info1) = unpack("VVVVVVC", $buff) ;
my ($magic, $version, $endian, $encrypt) ;

if ($Data{$info[0]}) # first try DB 1.x format, big endian
{
    $magic = $info[0] ;
    $version = $info[1] ;
    $endian  = "Big Endian" ;
    $encrypt = "Not Supported";
}
elsif ($Data{$info1[0]}) # first try DB 1.x format, little endian
{
    $magic = $info1[0] ;
    $version = $info1[1] ;
    $endian  = "Little Endian" ;
    $encrypt = "Not Supported";
}
elsif ($Data{$info[3]}) # next DB 2.x big endian
{
    $magic = $info[3] ;
    $version = $info[4] ;
    $endian  = "Big Endian" ;
}
elsif ($Data{$info1[3]}) # next DB 2.x little endian
{
    $magic = $info1[3] ;
    $version = $info1[4] ;
    $endian  = "Little Endian" ;
}
else
  { die "not a Berkeley DB database file.\n" }

my $type = $Data{$magic} ;
$magic = sprintf "%06X", $magic ;

my $ver_string = "Unknown" ;

if ( defined $type->{Versions}{$version} )
{
     $ver_string = $type->{Versions}{$version}[1];
     if ($type->{Versions}{$version}[0] )
       { $encrypt = $info[6] ? "Enabled" : "Disabled" }
     else
       { $encrypt = "Not Supported" }
}

print <<EOM ;
File Type:              Berkeley DB $type->{Type} file.
File Version ID:        $version
Built with Berkeley DB: $ver_string
Byte Order:             $endian
Magic:                  $magic
Encryption:             $encrypt
EOM

close F ;

exit ;
Revision:	1.1
Committed:	Thu Jun 30 14:26:44 2005 UTC (21 years, 3 months ago) by root
Branch:	MAIN
CVS Tags:	PERL-5-8-7, HEAD
Branch point for:	PERL
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	#!/usr/local/bin/perl
2
3			# Name: dbinfo -- identify berkeley DB version used to create
4			# a database file
5			#
6			# Author: Paul Marquess <Paul.Marquess@btinternet.com>
7			# Version: 1.05
8			# Date 1sh November 2003
9			#
10			# Copyright (c) 1998-2003 Paul Marquess. All rights reserved.
11			# This program is free software; you can redistribute it and/or
12			# modify it under the same terms as Perl itself.
13
14			# Todo: Print more stats on a db file, e.g. no of records
15			# add log/txn/lock files
16
17			use strict ;
18
19			my %Data =
20			(
21			0x053162 => {
22			Type => "Btree",
23			Versions =>
24			{
25			1 => [0, "Unknown (older than 1.71)"],
26			2 => [0, "Unknown (older than 1.71)"],
27			3 => [0, "1.71 -> 1.85, 1.86"],
28			4 => [0, "Unknown"],
29			5 => [0, "2.0.0 -> 2.3.0"],
30			6 => [0, "2.3.1 -> 2.7.7"],
31			7 => [0, "3.0.x"],
32			8 => [0, "3.1.x -> 4.0.x"],
33			9 => [1, "4.1.x or greater"],
34			}
35			},
36			0x061561 => {
37			Type => "Hash",
38			Versions =>
39			{
40			1 => [0, "Unknown (older than 1.71)"],
41			2 => [0, "1.71 -> 1.85"],
42			3 => [0, "1.86"],
43			4 => [0, "2.0.0 -> 2.1.0"],
44			5 => [0, "2.2.6 -> 2.7.7"],
45			6 => [0, "3.0.x"],
46			7 => [0, "3.1.x -> 4.0.x"],
47			8 => [1, "4.1.x or greater"],
48			}
49			},
50			0x042253 => {
51			Type => "Queue",
52			Versions =>
53			{
54			1 => [0, "3.0.x"],
55			2 => [0, "3.1.x"],
56			3 => [0, "3.2.x -> 4.0.x"],
57			4 => [1, "4.1.x or greater"],
58			}
59			},
60			) ;
61
62			die "Usage: dbinfo file\n" unless @ARGV == 1 ;
63
64			print "testing file $ARGV[0]...\n\n" ;
65			open (F, "<$ARGV[0]") or die "Cannot open file $ARGV[0]: $!\n" ;
66
67			my $buff ;
68			read F, $buff, 30 ;
69
70
71			my (@info) = unpack("NNNNNNC", $buff) ;
72			my (@info1) = unpack("VVVVVVC", $buff) ;
73			my ($magic, $version, $endian, $encrypt) ;
74
75			if ($Data{$info[0]}) # first try DB 1.x format, big endian
76			{
77			$magic = $info[0] ;
78			$version = $info[1] ;
79			$endian = "Big Endian" ;
80			$encrypt = "Not Supported";
81			}
82			elsif ($Data{$info1[0]}) # first try DB 1.x format, little endian
83			{
84			$magic = $info1[0] ;
85			$version = $info1[1] ;
86			$endian = "Little Endian" ;
87			$encrypt = "Not Supported";
88			}
89			elsif ($Data{$info[3]}) # next DB 2.x big endian
90			{
91			$magic = $info[3] ;
92			$version = $info[4] ;
93			$endian = "Big Endian" ;
94			}
95			elsif ($Data{$info1[3]}) # next DB 2.x little endian
96			{
97			$magic = $info1[3] ;
98			$version = $info1[4] ;
99			$endian = "Little Endian" ;
100			}
101			else
102			{ die "not a Berkeley DB database file.\n" }
103
104			my $type = $Data{$magic} ;
105			$magic = sprintf "%06X", $magic ;
106
107			my $ver_string = "Unknown" ;
108
109			if ( defined $type->{Versions}{$version} )
110			{
111			$ver_string = $type->{Versions}{$version}[1];
112			if ($type->{Versions}{$version}[0] )
113			{ $encrypt = $info[6] ? "Enabled" : "Disabled" }
114			else
115			{ $encrypt = "Not Supported" }
116			}
117
118			print <<EOM ;
119			File Type: Berkeley DB $type->{Type} file.
120			File Version ID: $version
121			Built with Berkeley DB: $ver_string
122			Byte Order: $endian
123			Magic: $magic
124			Encryption: $encrypt
125			EOM
126
127			close F ;
128
129			exit ;