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/* SPDX-License-Identifier: GPL-3.0-or-later */
/*
* add_by_path.c
*
* Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
*/
#include "config.h"
#include "sqfs/block_processor.h"
#include "sqfs/compress.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#ifdef HAVE_PTHREAD
#include <pthread.h>
#endif
static ssize_t dummy_do_block(sqfs_compressor_t *cmp, const uint8_t *in,
size_t size, uint8_t *out, size_t outsize)
{
int delay, result;
(void)cmp; (void)size; (void)outsize;
delay = ((int *)in)[0];
result = ((int *)in)[1];
memcpy(out, in, result);
sleep(delay);
return (size_t)result >= size ? 0 : result;
}
static sqfs_compressor_t *dummy_create_copy(sqfs_compressor_t *cmp)
{
sqfs_compressor_t *cpy = malloc(sizeof(*cpy));
assert(cpy != NULL);
*cpy = *cmp;
return cpy;
}
static void dummy_destroy(sqfs_compressor_t *cmp)
{
free(cmp);
}
static sqfs_compressor_t *dummy_create(void)
{
sqfs_compressor_t *cmp = calloc(1, sizeof(*cmp));
assert(cmp != NULL);
cmp->do_block = dummy_do_block;
cmp->create_copy = dummy_create_copy;
cmp->destroy = dummy_destroy;
return cmp;
}
static unsigned int blk_index = 0;
#ifdef HAVE_PTHREAD
static pthread_t main_thread;
#endif
static int block_callback(void *user, sqfs_block_t *blk)
{
assert(main_thread == pthread_self());
assert(blk->index == blk_index++);
if (blk->index == 4) {
assert(blk->size == 4 * sizeof(int));
assert(blk->flags & SQFS_BLK_DONT_COMPRESS);
assert(blk->flags & SQFS_BLK_DONT_CHECKSUM);
assert(!(blk->flags & SQFS_BLK_IS_COMPRESSED));
} else {
if (blk->index & 0x01) {
assert(!(blk->flags & SQFS_BLK_IS_COMPRESSED));
assert(blk->size == 4 * sizeof(int));
} else {
assert(blk->flags & SQFS_BLK_IS_COMPRESSED);
assert(blk->size == 2 * sizeof(int));
}
}
(void)user;
return 0;
}
int main(void)
{
sqfs_compressor_t *cmp = dummy_create();
sqfs_block_processor_t *proc;
sqfs_block_t *blk;
int i;
#ifdef HAVE_PTHREAD
main_thread = pthread_self();
#endif
proc = sqfs_block_processor_create(4 * sizeof(int), cmp, 4,
NULL, block_callback);
assert(proc != NULL);
for (i = 0; i < 4; ++i) {
blk = calloc(1, sizeof(*blk) + 4 * sizeof(int));
assert(blk != NULL);
blk->size = 4 * sizeof(int);
blk->index = i;
((int *)blk->data)[0] = 4 - i;
((int *)blk->data)[1] = (i & 0x01 ? 4 : 2) * sizeof(int);
assert(sqfs_block_processor_enqueue(proc, blk) == 0);
}
blk = calloc(1, sizeof(*blk) + 4 * sizeof(int));
assert(blk != NULL);
blk->size = 4 * sizeof(int);
blk->index = i;
blk->flags |= SQFS_BLK_DONT_COMPRESS | SQFS_BLK_DONT_CHECKSUM;
((int *)blk->data)[0] = 0;
((int *)blk->data)[1] = (i & 0x01 ? 4 : 2) * sizeof(int);
assert(sqfs_block_processor_enqueue(proc, blk) == 0);
assert(sqfs_block_processor_finish(proc) == 0);
sqfs_block_processor_destroy(proc);
cmp->destroy(cmp);
return EXIT_SUCCESS;
}
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