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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
/* SPDX-License-Identifier: LGPL-3.0-or-later */
/*
* serial.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#define SQFS_BUILDING_DLL
#include "internal.h"
typedef struct {
sqfs_block_processor_t base;
int status;
sqfs_u8 scratch[];
} serial_block_processor_t;
static void block_processor_destroy(sqfs_object_t *obj)
{
sqfs_block_processor_t *proc = (sqfs_block_processor_t *)obj;
block_processor_cleanup(proc);
free(proc);
}
static int append_to_work_queue(sqfs_block_processor_t *proc,
sqfs_block_t *block)
{
serial_block_processor_t *sproc = (serial_block_processor_t *)proc;
sqfs_block_t *fragblk = NULL;
if (sproc->status != 0)
goto fail;
sproc->status = proc->process_block(block, proc->cmp, sproc->scratch,
proc->max_block_size);
if (sproc->status != 0)
goto fail;
if (block->flags & SQFS_BLK_IS_FRAGMENT) {
sproc->status = proc->process_completed_fragment(proc, block,
&fragblk);
if (fragblk == NULL)
return sproc->status;
block = fragblk;
sproc->status = proc->process_block(block, proc->cmp,
sproc->scratch,
proc->max_block_size);
if (sproc->status != 0)
goto fail;
}
sproc->status = proc->process_completed_block(proc, block);
return sproc->status;
fail:
free(block);
return sproc->status;
}
static int block_processor_sync(sqfs_block_processor_t *proc)
{
return ((serial_block_processor_t *)proc)->status;
}
sqfs_block_processor_t *sqfs_block_processor_create(size_t max_block_size,
sqfs_compressor_t *cmp,
unsigned int num_workers,
size_t max_backlog,
sqfs_block_writer_t *wr,
sqfs_frag_table_t *tbl)
{
serial_block_processor_t *proc;
(void)num_workers; (void)max_backlog;
proc = alloc_flex(sizeof(*proc), 1, max_block_size);
if (proc == NULL)
return NULL;
if (block_processor_init(&proc->base, max_block_size, cmp, wr, tbl)) {
free(proc);
return NULL;
}
proc->base.sync = block_processor_sync;
proc->base.append_to_work_queue = append_to_work_queue;
((sqfs_object_t *)proc)->destroy = block_processor_destroy;
return (sqfs_block_processor_t *)proc;
}
|
