Line data Source code
1 : // Copyright (c) 2019 Made to Order Software Corp. All Rights Reserved
2 : //
3 : // https://snapwebsites.org/project/snapdatabase
4 : // contact@m2osw.com
5 : //
6 : // This program is free software; you can redistribute it and/or modify
7 : // it under the terms of the GNU General Public License as published by
8 : // the Free Software Foundation; either version 2 of the License, or
9 : // (at your option) any later version.
10 : //
11 : // This program is distributed in the hope that it will be useful,
12 : // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 : // GNU General Public License for more details.
15 : //
16 : // You should have received a copy of the GNU General Public License along
17 : // with this program; if not, write to the Free Software Foundation, Inc.,
18 : // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 :
20 :
21 : /** \file
22 : * \brief Database file implementation.
23 : *
24 : * Each table uses one or more files. Each file is handled by a dbfile
25 : * object and a corresponding set of blocks.
26 : */
27 :
28 : // self
29 : //
30 : #include "snapdatabase/block/block_indirect_index.h"
31 :
32 : #include "snapdatabase/block/block_header.h"
33 :
34 :
35 : // last include
36 : //
37 : #include <snapdev/poison.h>
38 :
39 :
40 :
41 : namespace snapdatabase
42 : {
43 :
44 :
45 :
46 : namespace
47 : {
48 :
49 :
50 :
51 : // 'INDR' -- indirect index
52 : struct_description_t g_description[] =
53 : {
54 : define_description(
55 : FieldName("header")
56 : , FieldType(struct_type_t::STRUCT_TYPE_STRUCTURE)
57 : , FieldSubDescription(detail::g_block_header)
58 : ),
59 : define_description(
60 : FieldName("size")
61 : , FieldType(struct_type_t::STRUCT_TYPE_UINT32)
62 : ),
63 : //define_description(
64 : // FieldName("size")
65 : // , FieldType(the struct_type_t::STRUCT_TYPE_ARRAY32 data)
66 : //),
67 : end_descriptions()
68 : };
69 :
70 :
71 : constexpr descriptions_by_version_t const g_descriptions_by_version[] =
72 : {
73 : define_description_by_version(
74 : DescriptionVersion(0, 1),
75 : DescriptionDescription(g_description)
76 : ),
77 : end_descriptions_by_version()
78 : };
79 :
80 :
81 :
82 : }
83 : // no name namespace
84 :
85 :
86 :
87 0 : block_indirect_index::block_indirect_index(dbfile::pointer_t f, reference_t offset)
88 0 : : block(g_descriptions_by_version, f, offset)
89 : {
90 0 : }
91 :
92 :
93 0 : uint32_t block_indirect_index::get_size() const
94 : {
95 0 : return static_cast<uint32_t>(f_structure->get_uinteger("size"));
96 : }
97 :
98 :
99 0 : void block_indirect_index::set_size(uint32_t size)
100 : {
101 0 : f_structure->set_uinteger("size", size);
102 0 : }
103 :
104 :
105 :
106 : } // namespace snapdatabase
107 : // vim: ts=4 sw=4 et
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