1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
/************************************************************************************
Copyright (C) 2022 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
*************************************************************************************/
#ifndef __ma_compress_h__
#include <ma_sys.h>
#define COMPRESSION_LEVEL_DEFAULT INT_MAX
#define compression_plugin(net) (net)->extension->compression_plugin
#define compression_ctx(net) (net)->extension->compression_ctx
typedef struct {
void *compress_ctx;
void *decompress_ctx;
int compression_level;
void *extra; /* reserved */
} ma_compress_ctx;
enum enum_ma_compression_algorithm {
COMPRESSION_NONE= 0,
COMPRESSION_ZLIB,
COMPRESSION_ZSTD,
COMPRESSION_UNKNOWN
};
const char *_mariadb_compression_algorithm_str(enum enum_ma_compression_algorithm algorithm);
my_bool _mariadb_compress(NET *net, unsigned char *, size_t *, size_t *);
my_bool _mariadb_uncompress(NET *net, unsigned char *, size_t *, size_t *);
unsigned char *_mariadb_compress_alloc(NET *net, const unsigned char *packet, size_t *len, size_t *complen);
#endif
|
