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
49
50
51
|
/******************************************************
XtraBackup: hot backup tool for InnoDB
(c) 2009-2012 Percona Inc.
Originally Created 3/3/2009 Yasufumi Kinoshita
Written by Alexey Kopytov, Aleksandr Kuzminsky, Stewart Smith, Vadim Tkachenko,
Yasufumi Kinoshita, Ignacio Nin and Baron Schwartz.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA
*******************************************************/
/* Data file read filter interface */
#ifndef XB_READ_FILT_H
#define XB_READ_FILT_H
#include <cstdint>
#include <cstddef>
struct xb_fil_cur_t;
/* The read filter context */
struct xb_read_filt_ctxt_t {
int64_t offset; /*!< current file offset */
int64_t data_file_size; /*!< data file size */
size_t buffer_capacity;/*!< read buffer capacity */
};
/* The read filter */
struct xb_read_filt_t {
void (*init)(xb_read_filt_ctxt_t* ctxt,
const xb_fil_cur_t* cursor);
void (*get_next_batch)(xb_read_filt_ctxt_t* ctxt,
int64_t* read_batch_start,
int64_t* read_batch_len);
};
extern xb_read_filt_t rf_pass_through;
#endif
|
