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/*
* Copyright (C) 2012 Reto Buerki
* Copyright (C) 2012 Adrian-Ken Rueegsegger
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
/**
* @defgroup tkm-chunk-map chunk map
* @{ @ingroup tkm
*/
#ifndef TKM_CHUNK_MAP_H_
#define TKM_CHUNK_MAP_H_
#include <stdint.h>
#include <utils/chunk.h>
typedef struct tkm_chunk_map_t tkm_chunk_map_t;
/**
* The tkm chunk map handles mappings of chunks to ids.
*/
struct tkm_chunk_map_t {
/**
* Store new mapping for given chunk and id.
*
* @param data data associated with id
* @param id id associated with data
*/
void (*insert)(tkm_chunk_map_t * const this, const chunk_t * const data,
const uint64_t id);
/**
* Get id for given chunk.
*
* @param data data specifying the mapping
* @return id of given chunk, 0 if not found
*/
uint64_t (*get_id)(tkm_chunk_map_t * const this, chunk_t *data);
/**
* Remove mapping for given chunk.
*
* @param data data specifying the mapping to remove
* @return TRUE if mapping was removed, FALSE otherwise
*/
bool (*remove)(tkm_chunk_map_t * const this, chunk_t *data);
/**
* Destroy a tkm chunk map instance.
*/
void (*destroy)(tkm_chunk_map_t *this);
};
/**
* Create a tkm chunk map instance.
*/
tkm_chunk_map_t *tkm_chunk_map_create();
#endif /** TKM_CHUNK_MAP_H_ @}*/
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