xapian-core  1.4.21
glass_replicate_internal.h
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1 
4 /* Copyright 2008 Lemur Consulting Ltd
5  * Copyright 2009,2014 Olly Betts
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License as
9  * published by the Free Software Foundation; either version 2 of the
10  * License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
20  * USA
21  */
22 
23 #ifndef XAPIAN_INCLUDED_GLASS_REPLICATE_INTERNAL_H
24 #define XAPIAN_INCLUDED_GLASS_REPLICATE_INTERNAL_H
25 
26 // Magic string used to recognise a changeset file.
27 #define CHANGES_MAGIC_STRING "GlassChanges"
28 
29 // The current version of changeset files.
30 // 1 - initial implementation
31 // 2 - compressed changesets
32 // 3 - store (block_size / 2048)
33 // 4 - reworked for switch from base files to version file
34 #define CHANGES_VERSION 4u
35 
36 // Must be big enough to ensure that the start of the changeset (up to the new
37 // revision number) will fit in this much space.
38 #define REASONABLE_CHANGESET_SIZE 1024
39 
40 #endif /* XAPIAN_INCLUDED_GLASS_REPLICATE_INTERNAL_H */