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/*
* Copyright (c) 2015, Vsevolod Stakhov
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR ''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 AUTHOR 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 RSPAMD_RE_CACHE_H
#define RSPAMD_RE_CACHE_H
#include "config.h"
#include "libserver/task.h"
#include "libutil/regexp.h"
struct rspamd_re_cache;
struct rspamd_re_runtime;
enum rspamd_re_type {
RSPAMD_RE_HEADER,
RSPAMD_RE_RAWHEADER,
RSPAMD_RE_MIME,
RSPAMD_RE_URL,
RSPAMD_RE_BODY
};
/**
* Initialize re_cache persistent structure
*/
struct rspamd_re_cache *rspamd_re_cache_new (void);
/**
* Add the existing regexp to the cache
* @param cache cache object
* @param re regexp object
* @param type type of object
* @param type_data associated data with the type (e.g. header name)
* @param datalen associated data length
*/
void rspamd_re_cache_add (struct rspamd_re_cache *cache, rspamd_regexp_t *re,
enum rspamd_re_type type, gpointer type_data, gsize datalen);
/**
* Initialize and optimize re cache structure
*/
void rspamd_re_cache_init (struct rspamd_re_cache *cache);
/**
* Get runtime data for a cache
*/
struct rspamd_re_runtime* rspamd_re_cache_runtime_new (struct rspamd_re_cache *cache);
/**
* Process regexp runtime and return the result for a specific regexp
* @param task task object
* @param rt cache runtime object
* @param re regexp object
* @param type type of object
* @param type_data associated data with the type (e.g. header name)
* @param datalen associated data length
* @param is_strong use case sensitive match when looking for headers
* @param is_multiple return multiple possible occurrences of the specified re
*/
gint rspamd_re_cache_process (struct rspamd_task *task,
struct rspamd_re_runtime *rt,
rspamd_regexp_t *re,
enum rspamd_re_type type,
gpointer type_data,
gsize datalen,
gboolean is_strong,
gboolean is_multiple);
/**
* Destroy runtime data
*/
void rspamd_re_cache_runtime_destroy (struct rspamd_re_runtime *rt);
/**
* Destroy re cache
*/
void rspamd_re_cache_destroy (struct rspamd_re_cache *cache);
#endif
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