val_kcache.h

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/*
 * validator/val_kcache.h - validator key shared cache with validated keys
 *
 * Copyright (c) 2007, NLnet Labs. All rights reserved.
 *
 * This software is open source.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * 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.
 * 
 * Neither the name of the NLNET LABS nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * 
 * 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
 * HOLDER 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 VALIDATOR_VAL_KCACHE_H
#define VALIDATOR_VAL_KCACHE_H
#include "util/storage/slabhash.h"
struct key_entry_key;
struct key_entry_data;
struct config_file;
struct regional;
struct module_qstate;

struct key_cache {
    struct slabhash* slab;
};

struct key_cache* key_cache_create(struct config_file* cfg);

void key_cache_delete(struct key_cache* kcache);

void key_cache_insert(struct key_cache* kcache, struct key_entry_key* kkey,
    struct module_qstate* qstate);

void key_cache_remove(struct key_cache* kcache,
    uint8_t* name, size_t namelen, uint16_t key_class);

struct key_entry_key* key_cache_obtain(struct key_cache* kcache,
    uint8_t* name, size_t namelen, uint16_t key_class, 
    struct regional* region, time_t now);

size_t key_cache_get_mem(struct key_cache* kcache);
 
#endif /* VALIDATOR_VAL_KCACHE_H */