SSLproxy/cache.h

85 lines
3.2 KiB
C

/*-
* SSLsplit - transparent SSL/TLS interception
* https://www.roe.ch/SSLsplit
*
* Copyright (c) 2009-2018, Daniel Roethlisberger <daniel@roe.ch>.
* 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 HOLDER 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 CACHE_H
#define CACHE_H
#include "attrib.h"
#include <pthread.h>
typedef void * cache_val_t;
typedef void * cache_key_t;
typedef unsigned int cache_iter_t; /* must match khiter_t */
typedef cache_iter_t (*cache_begin_cb_t)(void);
typedef cache_iter_t (*cache_end_cb_t)(void);
typedef int (*cache_exist_cb_t)(cache_iter_t);
typedef void (*cache_del_cb_t)(cache_iter_t);
typedef cache_iter_t (*cache_get_cb_t)(cache_key_t);
typedef cache_iter_t (*cache_put_cb_t)(cache_key_t, int *);
typedef void (*cache_free_key_cb_t)(cache_key_t);
typedef void (*cache_free_val_cb_t)(cache_val_t);
typedef cache_key_t (*cache_get_key_cb_t)(cache_iter_t);
typedef cache_val_t (*cache_get_val_cb_t)(cache_iter_t);
typedef void (*cache_set_val_cb_t)(cache_iter_t, cache_val_t);
typedef cache_val_t (*cache_unpackverify_val_cb_t)(cache_val_t, int);
typedef void (*cache_fini_cb_t)(void);
typedef struct cache {
pthread_mutex_t mutex;
cache_begin_cb_t begin_cb;
cache_end_cb_t end_cb;
cache_exist_cb_t exist_cb;
cache_del_cb_t del_cb;
cache_get_cb_t get_cb;
cache_put_cb_t put_cb;
cache_free_key_cb_t free_key_cb;
cache_free_val_cb_t free_val_cb;
cache_get_key_cb_t get_key_cb;
cache_get_val_cb_t get_val_cb;
cache_set_val_cb_t set_val_cb;
cache_unpackverify_val_cb_t unpackverify_val_cb;
cache_fini_cb_t fini_cb;
} cache_t;
typedef void (*cache_init_cb_t)(struct cache *);
cache_t * cache_new(cache_init_cb_t) MALLOC;
int cache_reinit(cache_t *) NONNULL(1) WUNRES;
void cache_free(cache_t *) NONNULL(1);
void cache_gc(cache_t *) NONNULL(1);
cache_val_t cache_get(cache_t *, cache_key_t) NONNULL(1) WUNRES;
void cache_set(cache_t *, cache_key_t, cache_val_t) NONNULL(1);
void cache_del(cache_t *, cache_key_t) NONNULL(1);
#endif /* !CACHE_H */
/* vim: set noet ft=c: */