// Copyright (c) Veeam Software Group GmbH

#include "stdafx.h"
#include "blk_descr_file.h"

#define SECTION "blk_descr "
#include "log_format.h"

void blk_descr_file_init( blk_descr_file_t* blk_descr, rangelist_t* rangelist )
{
    blk_descr_unify_init( &blk_descr->unify );

    rangelist_copy( &blk_descr->rangelist, rangelist );
}

void blk_descr_file_done( blk_descr_file_t* blk_descr )
{
    rangelist_done( &blk_descr->rangelist );
}

void blk_descr_file_pool_init( blk_descr_pool_t* pool )
{
    blk_descr_pool_init( pool, 0 );
}

void _blk_descr_file_cleanup(blk_descr_unify_t* blocks, size_t count)
{
    size_t inx;
    blk_descr_file_t* file_blocks = (blk_descr_file_t*)blocks;

    for (inx = 0; inx < count; ++inx)
        blk_descr_file_done( file_blocks + inx );
}

void blk_descr_file_pool_done( blk_descr_pool_t* pool )
{
    blk_descr_pool_done( pool, _blk_descr_file_cleanup );
}

blk_descr_unify_t* _blk_descr_file_alloc( blk_descr_unify_t* blocks, size_t index, void* arg )
{
    blk_descr_file_t* file_blocks = (blk_descr_file_t*)blocks;
    blk_descr_file_t* block_file = &file_blocks[index];

    blk_descr_file_init( block_file, (rangelist_t*)arg );

    return (blk_descr_unify_t*)block_file;
}

int blk_descr_file_pool_add( blk_descr_pool_t* pool, rangelist_t* rangelist )
{
    blk_descr_file_t* blk_descr;

    blk_descr = (blk_descr_file_t*)blk_descr_pool_alloc( pool, sizeof( blk_descr_file_t ), _blk_descr_file_alloc, (void*)rangelist );
    if (NULL == blk_descr){
        log_err( "Failed to allocate block descriptor" );
        return -ENOMEM;
    }

    return SUCCESS;
}

blk_descr_file_t* blk_descr_file_pool_take( blk_descr_pool_t* pool )
{
    return (blk_descr_file_t*)blk_descr_pool_take( pool, sizeof( blk_descr_file_t ) );
}