cache_manager.h File Reference

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

Go to the source code of this file.

Data Structures
struct	cache_param
	cache parameters More...
struct	cachelist_param

Typedefs
typedef struct cache_param	cache_param_t
	cache parameters More...
typedef struct cachelist_param	cachelist_param_t

Functions
cachelist_param_t *	gene_cachelist (void)
	generate a cache list More...
void	delete_cachelist (cachelist_param_t **cachelist)
	delete cache list More...
cache_param_t *	gene_cache (const char *targetname, int csn, char *tid, char *cid)
	generate a cache More...
void	delete_cache (cache_param_t **cache)
	delete a cache More...
void	insert_cache_into_list (cache_param_t *cache, cachelist_param_t *cachelist)
	insert a cache into list More...
cache_param_t *	search_cache (const char targetname[], cachelist_param_t *cachelist)
	search a cache by target name More...
cache_param_t *	search_cacheBycsn (int csn, cachelist_param_t *cachelist)
	search a cache by csn More...
cache_param_t *	search_cacheBycid (const char cid[], cachelist_param_t *cachelist)
	search a cache by cid More...
cache_param_t *	search_cacheBytid (const char tid[], cachelist_param_t *cachelist)
	search a cache by tid More...
void	add_cachecid (const char *cid, cache_param_t *cache)
	add cid into a cache More...
void	update_cachetid (const char *tid, cache_param_t *cache)
	update tid of a cache More...
void	remove_cachecid (const char *cid, cachelist_param_t *cachelist)
	remove cid in cache More...
void	print_cache (cache_param_t *cache)
	print cache parameters More...
void	print_allcache (cachelist_param_t *cachelist)
	print all cache parameters More...

Typedef Documentation

typedef struct cache_param cache_param_t

cache parameters

cache list parameters

typedef struct cachelist_param cachelist_param_t

Function Documentation

void add_cachecid	(	const char *	cid,
		cache_param_t *	cache
	)

add cid into a cache

Parameters

[in]	cid	channel identifier
[in]	cache	cache pointer

References cache_param::cid, and cache_param::numOfcid.

Referenced by handle_JPIPstreamMSG().

void delete_cache

(

cache_param_t **

cache

)

delete a cache

Parameters

[in]

cache

address of the cache pointer

References delete_metadatalist().

Referenced by delete_cachelist().

void delete_cachelist

(

cachelist_param_t **

cachelist

)

delete cache list

Parameters

[in,out]

cachelist

address of the cache list pointer

References delete_cache(), and cache_param::next.

Referenced by terminate_dec_server().

cache_param_t* gene_cache	(	const char *	targetname,
		int	csn,
		char *	tid,
		char *	cid
	)

generate a cache

Parameters

[in]	targetname	target file name
[in]	csn	codestream number
[in]	tid	target identifier
[in]	cid	channel identifier

Returns

pointer to the generated cache

References cache_param::cid, cache_param::csn, cache_param::filename, gene_metadatalist(), cache_param::ihdrbox, cache_param::metadatalist, cache_param::next, cache_param::numOfcid, and cache_param::tid.

Referenced by handle_JPIPstreamMSG().

cachelist_param_t* gene_cachelist

(

void

)

generate a cache list

Returns

pointer to the generated cache list

References cachelist_param::first, and cachelist_param::last.

Referenced by init_dec_server().

void insert_cache_into_list	(	cache_param_t *	cache,
		cachelist_param_t *	cachelist
	)

insert a cache into list

Parameters

[in]	cache	cache pointer
[in]	cachelist	cache list pointer

References cachelist_param::first, cachelist_param::last, and cache_param::next.

Referenced by handle_JPIPstreamMSG().

void print_allcache

(

cachelist_param_t *

cachelist

)

print all cache parameters

Parameters

[in]

cachelist

cache list pointer

References cachelist_param::first, cache_param::next, and print_cache().

void print_cache

(

cache_param_t *

cache

)

print cache parameters

Parameters

[in]

cache

cache pointer

References cache_param::cid, cache_param::csn, cache_param::filename, cache_param::numOfcid, and cache_param::tid.

Referenced by print_allcache().

void remove_cachecid	(	const char *	cid,
		cachelist_param_t *	cachelist
	)

remove cid in cache

Parameters

[in]	cid	channel identifier
[in]	cachelist	cachelist pointer

References remove_cidInCache(), and search_cacheBycid().

Referenced by handle_dstCIDreqMSG().

cache_param_t* search_cache	(	const char	targetname[],
		cachelist_param_t *	cachelist
	)

search a cache by target name

Parameters

[in]	targetname	target filename
[in]	cachelist	cache list pointer

Returns

found cache pointer

References cache_param::filename, cachelist_param::first, and cache_param::next.

Referenced by handle_CIDreqMSG(), handle_JPIPstreamMSG(), and handle_TIDreqMSG().

cache_param_t* search_cacheBycid	(	const char	cid[],
		cachelist_param_t *	cachelist
	)

search a cache by cid

Parameters

[in]	cid	channel identifier
[in]	cachelist	cache list pointer

Returns

found cache pointer

References cache_param::cid, cachelist_param::first, cache_param::next, and cache_param::numOfcid.

Referenced by handle_JP2saveMSG(), handle_PNMreqMSG(), handle_SIZreqMSG(), handle_XMLreqMSG(), and remove_cachecid().

cache_param_t* search_cacheBycsn	(	int	csn,
		cachelist_param_t *	cachelist
	)

search a cache by csn

Parameters

[in]	csn	codestream number
[in]	cachelist	cache list pointer

Returns

found cache pointer

References cache_param::csn, cachelist_param::first, and cache_param::next.

Referenced by handle_JPIPstreamMSG().

cache_param_t* search_cacheBytid	(	const char	tid[],
		cachelist_param_t *	cachelist
	)

search a cache by tid

Parameters

[in]	tid	target identifier
[in]	cachelist	cache list pointer

Returns

found cache pointer

References cachelist_param::first, cache_param::next, and cache_param::tid.

Referenced by handle_PNMreqMSG(), and handle_SIZreqMSG().

void update_cachetid	(	const char *	tid,
		cache_param_t *	cache
	)

update tid of a cache

Parameters

[in]	tid	target identifier
[in]	cache	cache pointer

References cache_param::filename, and cache_param::tid.

Referenced by handle_JPIPstreamMSG().