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/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
#if !defined(_items_h_)
#define _items_h_
#include <netinet/in.h>
// bit flag for do_item_unlink.
#define UNLINK_NORMAL 0x000000000
#define UNLINK_IS_EVICT 0x000000001
#define UNLINK_IS_EXPIRED 0x000000002
#define UNLINK_MAYBE_EVICT 0x000000004 /* could be either due to eviction or
* expiration. need to check the
* expiration time. */
#include "slabs.h"
#include "slabs_items.h"
#endif /* #if defined(USE_SLAB_ALLOCATOR) */
#include "flat_storage.h"
#endif /* #if defined(USE_FLAT_ALLOCATOR) */
/* See items.c */
extern void item_init(void);
extern void do_try_item_stamp(item* it, rel_time_t now, const struct in_addr addr);
extern item* do_item_alloc(const char *key, const size_t nkey,
const int flags, const rel_time_t exptime, const size_t nbytes,
const struct in_addr addr);
extern bool item_size_ok(const size_t nkey, const int flags, const int nbytes);
extern int do_item_link(item *it, const char* key); /** may fail if transgresses limits */
extern void do_item_unlink(item *it, long flags, const char* key);
extern void do_item_unlink_impl(item *it, long flags, bool to_freelist);
extern void do_item_deref(item *it);
extern void do_item_update(item *it); /** update LRU time to current and reposition */
extern int do_item_replace(item *it, item *new_it, const char* key);
extern char* do_item_stats_sizes(int *bytes);
extern void do_item_flush_expired(void);
extern item* item_get(const char *key, const size_t nkey);
extern item* do_item_get_notedeleted(const char *key, const size_t nkey, bool *delete_locked);
extern item* do_item_get_nocheck(const char *key, const size_t nkey);
/* returns true if a deleted item's delete-locked-time is over, and it
should be removed from the namespace */
extern bool item_delete_lock_over(item *it);
extern bool item_need_realloc(const item* it,
const size_t new_nkey, const int new_flags, const size_t new_nbytes);
extern void item_memcpy_to(item* it, size_t offset, const void* src, size_t nbytes,
bool beyond_item_boundary);
extern void item_memcpy_from(void* dst, const item* it, size_t offset, size_t nbytes,
bool beyond_item_boundary);
extern int item_key_compare(const item* it, const char* key, const size_t nkey);
#endif /* #if !defined(_items_h_) */
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