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
52
53
54
55
56
57
|
/*
* <Copyright>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY
* THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* liberasurecode API helpers header
*
* vi: set noai tw=79 ts=4 sw=4:
*/
#ifndef _ERASURECODE_PREPROCESSING_H_
#define _ERASURECODE_PREPROCESSING_H_
int prepare_fragments_for_encode(
ec_backend_t instance,
int k, int m,
const char *orig_data, uint64_t orig_data_size, /* input */
char **encoded_data, char **encoded_parity, /* output */
int *blocksize);
int prepare_fragments_for_decode(
int k, int m,
char **data, char **parity,
int *missing_idxs,
int *orig_size, int *fragment_payload_size, int fragment_size,
uint64_t *realloc_bm);
int get_fragment_partition(
int k, int m,
char **fragments, int num_fragments,
char **data, char **parity,
int *missing);
int fragments_to_string(
int k, int m,
char **fragments, int num_fragments,
char **orig_payload, uint64_t *payload_len);
#endif
|
