/*
 * Copyright (C) 2014 Andrea Mazzoleni
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef __SEARCH_H
#define __SEARCH_H

#include "elem.h"
#include "state.h"

/****************************************************************************/
/* search */

/**
 * Search file.
 * File used to search for moved data.
 */
struct snapraid_search_file {
	char* path; /**< Full path of the file. */
	char* name; /**< Pointer of the name inside the path. */
	data_off_t size;
	int64_t mtime_sec;
	int mtime_nsec;

	/* nodes for data structures */
	tommy_node node;
};

/**
 * Deallocate a search file.
 */
void search_file_free(struct snapraid_search_file* file);

/**
 * Fetch a file from the size, timestamp and name.
 * Return ==0 if the block is found, and copied into buffer.
 */
int state_search_fetch(struct snapraid_state* state, int prevhash, struct snapraid_file* missing_file, block_off_t missing_file_pos, struct snapraid_block* missing_block, unsigned char* buffer);

/**
 * Import files from the specified directory.
 */
void state_search(struct snapraid_state* state, const char* dir);

/**
 * Import files from all the data disks.
 */
void state_search_array(struct snapraid_state* state);

#endif