File: routing.h

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/*
 * Copyright (C) 2005-2008 Voice Sistem SRL
 *
 * This file is part of Open SIP Server (OpenSIPS).
 *
 * DROUTING OpenSIPS-module 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 2
 * of the License, or (at your option) any later version.
 *
 * DROUTING OpenSIPS-module 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * For any questions about this software and its license, please contact
 * Voice Sistem at following e-mail address:
 *         office@voice-system.ro
 *
 * History:
 * ---------
 *  2005-02-20  first version (cristian)
 *  2005-02-27  ported to 0.9.0 (bogdan)
 */


#ifndef routing_h
#define routing_h

#include "../../str.h"
#include "../../usr_avp.h"
#include "../../time_rec.h"
#include "prefix_tree.h"
#include "../../map.h"

#define RG_HASH_SIZE
#define RG_INIT_LEN 4

/* the buckets for the rt_data rg_hash */
typedef struct hb_ {
	int rgid;
	ptree_t *pt;
	struct hb_*next;
} hb_t;

/* routing data is comprised of:
	- a list of PSTN gw
	- a hash over routing groups containing
	pointers to the coresponding prefix trees
*/
typedef struct rt_data_ {
	/* avl of PSTN gw */
	map_t pgw_tree;

	/* avl of carriers */
	map_t carriers_tree;

	/* default routing list for prefixless rules */
	ptree_node_t noprefix;
	/* tree with routing prefixes */
	ptree_t *pt;
}rt_data_t;

typedef struct _dr_group {
	/* 0 - use grp ; 1 - use AVP */
	int type;
	union {
		unsigned int grp_id;
		int avp_name;
	}u;
} dr_group_t;

/* init new rt_data structure */
rt_data_t*
build_rt_data( void );


int
add_carrier(
	char *id,
	int flags,
	char *gwlist,
	char *attrs,
	int state,
	rt_data_t *rd
	);

/* add a PSTN gw in the list */
int
add_dst(
	rt_data_t*,
	/* id */
	char *,
	/* ip address */
	char*,
	/* strip len */
	int,
	/* pri prefix */
	char*,
	/* dst type*/
	int,
	/* dst attrs*/
	char*,
	/* probe_mode */
	int,
	/* socket */
	struct socket_info*,
	/* state */
	int
	);

/* build a routing info list element */
rt_info_t*
build_rt_info(
	int id,
	int priority,
	tmrec_t* time,
	/* ser routing table id */
	int route_id,
	/* list of destinations indexes */
	char* dstlst,
	char* attr,
	rt_data_t* rd
	);

int
parse_destination_list(
	rt_data_t* rd,
	char *dstlist,
	pgw_list_t** pgwl_ret,
	unsigned short *len,
	int no_resize
	);

void
del_pgw_list(
		map_t pgw_tree
		);



void
free_rt_data(
	rt_data_t*,
	int
	);
#endif