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/* Copyright (c) 2014, 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 ''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 FUZZY_BACKEND_H_
#define FUZZY_BACKEND_H_
#include "config.h"
#include "fuzzy_storage.h"
struct rspamd_fuzzy_backend;
/**
* Open fuzzy backend
* @param path file to open (legacy file will be converted automatically)
* @param err error pointer
* @return backend structure or NULL
*/
struct rspamd_fuzzy_backend *rspamd_fuzzy_backend_open (const gchar *path,
gboolean vacuum,
GError **err);
/**
* Check specified fuzzy in the backend
* @param backend
* @param cmd
* @return reply with probability and weight
*/
struct rspamd_fuzzy_reply rspamd_fuzzy_backend_check (
struct rspamd_fuzzy_backend *backend,
const struct rspamd_fuzzy_cmd *cmd,
gint64 expire);
/**
* Prepare storage for updates (by starting transaction)
*/
gboolean rspamd_fuzzy_backend_prepare_update (struct rspamd_fuzzy_backend *backend);
/**
* Add digest to the database
* @param backend
* @param cmd
* @return
*/
gboolean rspamd_fuzzy_backend_add (
struct rspamd_fuzzy_backend *backend,
const struct rspamd_fuzzy_cmd *cmd);
/**
* Delete digest from the database
* @param backend
* @param cmd
* @return
*/
gboolean rspamd_fuzzy_backend_del (
struct rspamd_fuzzy_backend *backend,
const struct rspamd_fuzzy_cmd *cmd);
/**
* Commit updates to storage
*/
gboolean rspamd_fuzzy_backend_finish_update (struct rspamd_fuzzy_backend *backend);
/**
* Sync storage
* @param backend
* @return
*/
gboolean rspamd_fuzzy_backend_sync (struct rspamd_fuzzy_backend *backend,
gint64 expire,
gboolean clean_orphaned);
/**
* Close storage
* @param backend
*/
void rspamd_fuzzy_backend_close (struct rspamd_fuzzy_backend *backend);
gsize rspamd_fuzzy_backend_count (struct rspamd_fuzzy_backend *backend);
gsize rspamd_fuzzy_backend_expired (struct rspamd_fuzzy_backend *backend);
const gchar * rspamd_fuzzy_backend_id (struct rspamd_fuzzy_backend *backend);
#endif /* FUZZY_BACKEND_H_ */
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