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/*

* Copyright (C) the libgit2 contributors. All rights reserved.

*

* This file is part of libgit2, distributed under the GNU GPL v2 with

* a Linking Exception. For full terms see the included COPYING file.

*/

#ifndef INCLUDE_cache_h__

#define INCLUDE_cache_h__

#include "git2/common.h"

#include "git2/oid.h"

#include "git2/odb.h"

#include "thread-utils.h"

#include "oidmap.h"

enum {

GIT_CACHE_STORE_ANY = 0,

GIT_CACHE_STORE_RAW = 1,

GIT_CACHE_STORE_PARSED = 2

};

typedef struct {

git_oid oid;

int16_t type; /* git_otype value */

uint16_t flags; /* GIT_CACHE_STORE value */

size_t size;

git_atomic refcount;

} git_cached_obj;

typedef struct {

git_oidmap *map;

git_rwlock lock;

ssize_t used_memory;

} git_cache;

extern bool git_cache__enabled;

extern ssize_t git_cache__max_storage;

extern git_atomic_ssize git_cache__current_storage;

int git_cache_set_max_object_size(git_otype type, size_t size);

int git_cache_init(git_cache *cache);

void git_cache_free(git_cache *cache);

void git_cache_clear(git_cache *cache);

void *git_cache_store_raw(git_cache *cache, git_odb_object *entry);

void *git_cache_store_parsed(git_cache *cache, git_object *entry);

git_odb_object *git_cache_get_raw(git_cache *cache, const git_oid *oid);

git_object *git_cache_get_parsed(git_cache *cache, const git_oid *oid);

void *git_cache_get_any(git_cache *cache, const git_oid *oid);

GIT_INLINE(size_t) git_cache_size(git_cache *cache)

{

return (size_t)kh_size(cache->map);

}

GIT_INLINE(void) git_cached_obj_incref(void *_obj)

{

git_cached_obj *obj = _obj;

git_atomic_inc(&obj->refcount);

}

void git_cached_obj_decref(void *_obj);

#endif