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/* 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"
static void block_processor_destroy(sqfs_object_t *obj)
{
sqfs_block_processor_t *proc = (sqfs_block_processor_t *)obj;
free(proc->blk_current);
free(proc->frag_block);
free(proc);
}
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)
{
sqfs_block_processor_t *proc;
(void)num_workers; (void)max_backlog;
proc = alloc_flex(sizeof(*proc), 1, max_block_size);
if (proc == NULL)
return NULL;
proc->max_block_size = max_block_size;
proc->cmp = cmp;
proc->frag_tbl = tbl;
proc->wr = wr;
proc->stats.size = sizeof(proc->stats);
((sqfs_object_t *)proc)->destroy = block_processor_destroy;
return proc;
}
int append_to_work_queue(sqfs_block_processor_t *proc, sqfs_block_t *block)
{
sqfs_block_t *fragblk = NULL;
if (proc->status != 0)
goto done;
proc->status = block_processor_do_block(block, proc->cmp,
proc->scratch,
proc->max_block_size);
if (proc->status != 0)
goto done;
if (block->flags & SQFS_BLK_IS_FRAGMENT) {
proc->status = process_completed_fragment(proc, block,
&fragblk);
if (fragblk == NULL)
goto done;
free(block);
block = fragblk;
proc->status = block_processor_do_block(block, proc->cmp,
proc->scratch,
proc->max_block_size);
if (proc->status != 0)
goto done;
}
proc->status = process_completed_block(proc, block);
done:
free(block);
return proc->status;
}
int sqfs_block_processor_finish(sqfs_block_processor_t *proc)
{
if (proc->frag_block == NULL || proc->status != 0)
goto out;
proc->status = block_processor_do_block(proc->frag_block, proc->cmp,
proc->scratch,
proc->max_block_size);
if (proc->status != 0)
goto out;
proc->status = process_completed_block(proc, proc->frag_block);
out:
free(proc->frag_block);
proc->frag_block = NULL;
return proc->status;
}
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