fastbit.h

/**
 * \file fastbit.h
 * \author Petr Kramolis <kramolis@cesnet.cz>
 * \brief
 *
 * Copyright (C) 2015 CESNET, z.s.p.o.
 *
 * 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.
 * 3. Neither the name of the Company nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * ALTERNATIVELY, provided that this notice is retained in full, this
 * product may be distributed under the terms of the GNU General Public
 * License (GPL) version 2 or later, in which case the provisions
 * of the GPL apply INSTEAD OF those given above.
 *
 * 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 the company 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 FASTBIT_H_
#define FASTBIT_H_

/* Get defines from configure */
#ifdef HAVE_CONFIG_H
	#include <config.h>
#endif

#include "FlowWatch.h"

/* We need be64toh macro */
#ifndef HAVE_BE64TOH
# if __BYTE_ORDER == __LITTLE_ENDIAN
#  define be64toh(x) __bswap_64 (x)
# else
#  define be64toh(x) (x)
# endif
#endif

/* size of elements buffer (number of stored elements) */
const unsigned int RESERVED_SPACE = 75000;

/** Identifier to MSG_* macros */
#define msg_module "fastbit storage"

/* File name strategies */
enum name_type { TIME, INCREMENTAL, PREFIX };

/* Element storage types */
enum store_type { UINT, INT, BLOB, TEXT, FLOAT, IPV6, UNKNOWN };

/* fastbit_table.h relies on the enums defined in this file, which
 * is why we include fastbit_table.h after defining the enums
 */
#include "fastbit_table.h"

class template_table;

/* Data structure for holding information about observation domain (OD) */
struct od_info {
	/* template_table by template ID */
	std::map<uint16_t, template_table*> template_info;

	/* String representation of exporter IP address in non-canonical */
	std::string exporter_ip_addr;

	/* Directory for storing data for this observation domain */
	std::string path;

	/* FlowWatch for monitoring statistics */
	FlowWatch flow_watch;
};

/**
 * \brief Returns the length of an element, based on its type
 *
 * @param type Element type
 *
 */
int get_len_from_type(ELEMENT_TYPE type);

#endif /* FASTBIT_H_ */