openjpeg/applications/jpip/libopenjpip/cache_manager.h

/*
 * $Id: cache_manager.h 44 2011-02-15 12:32:29Z kaori $
 *
 * Copyright (c) 2002-2011, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2011, Professor Benoit Macq
 * Copyright (c) 2010-2011, Kaori Hagihara
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef   	CACHE_MANAGER_H_
# define   	CACHE_MANAGER_H_

#include "metadata_manager.h"
#include "ihdrbox_manager.h"

//! cache parameters
typedef struct cache_param{
  char *filename;                     //!< file name
  char *tid;                          //!< taregt identifier
  int csn;                            //!< codestream number
  char **cid;                         //!< dynamic array of channel identifiers
  int numOfcid;                       //!< number of cids
  metadatalist_param_t *metadatalist; //!< metadata-bin list
  ihdrbox_param_t *ihdrbox;           //!< ihdrbox
  struct cache_param *next;           //!< pointer to the next cache
} cache_param_t;

//!< cache list parameters
typedef struct cachelist_param{
  cache_param_t *first; //!< first cache pointer of the list
  cache_param_t *last;  //!< last  cache pointer of the list
} cachelist_param_t;


/**
 * generate a cache list
 *
 * @return pointer to the generated cache list
 */
cachelist_param_t * gene_cachelist();

/**
 * delete cache list
 *
 * @param[in,out] cachelist address of the cache list pointer
 */
void delete_cachelist(cachelist_param_t **cachelist);

/**
 * generate a cache
 *
 * @param[in] targetname target file name
 * @param[in] csn        codestream number
 * @param[in] tid        target identifier
 * @param[in] cid        channel identifier
 * @return               pointer to the generated cache
 */
cache_param_t * gene_cache( char *targetname, int csn, char *tid, char *cid);

/**
 * delete a cache
 *
 * @param[in] cache address of the cache pointer
 */
void delete_cache( cache_param_t **cache);

/**
 * insert a cache into list
 *
 * @param[in] cache     cache pointer
 * @param[in] cachelist cache list pointer
 */
void insert_cache_into_list( cache_param_t *cache, cachelist_param_t *cachelist);


/**
 * search a cache by target name
 *
 * @param[in] targetname target filename
 * @param[in] cachelist  cache list pointer
 * @return               found cache pointer
 */
cache_param_t * search_cache( char targetname[], cachelist_param_t *cachelist);


/**
 * search a cache by csn
 *
 * @param[in] csn        codestream number
 * @param[in] cachelist  cache list pointer
 * @return               found cache pointer
 */
cache_param_t * search_cacheBycsn( int csn, cachelist_param_t *cachelist);


/**
 * search a cache by cid
 *
 * @param[in] cid        channel identifer
 * @param[in] cachelist  cache list pointer
 * @return               found cache pointer
 */
cache_param_t * search_cacheBycid( char cid[], cachelist_param_t *cachelist);


/**
 * search a cache by tid
 *
 * @param[in] tid        target identifer
 * @param[in] cachelist  cache list pointer
 * @return               found cache pointer
 */
cache_param_t * search_cacheBytid( char tid[], cachelist_param_t *cachelist);

/**
 * add cid into a cache
 *
 * @param[in] cid   channel identifier
 * @param[in] cache cache pointer
 */
void add_cachecid( char *cid, cache_param_t *cache);


/**
 * update tid of a cache
 *
 * @param[in] tid   target identifier
 * @param[in] cache cache pointer
 */
void update_cachetid( char *tid, cache_param_t *cache);


/**
 * remove cid in cache
 *
 * @param[in] cid       channel identifier
 * @param[in] cachelist cachelist pointer
 */
void remove_cachecid( char *cid, cachelist_param_t *cachelist);


/**
 * print cache parameters
 *
 * @param[in] cache cache pointer
 */
void print_cache( cache_param_t *cache);

/**
 * print all cache parameters
 *
 * @param[in] cachelist cache list pointer
 */
void print_allcache( cachelist_param_t *cachelist);

#endif /* !CACHE_MANAGER_H_ */