modules/drouting/routing.h
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 /*
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  * $Id$
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  *
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  * Copyright (C) 2005-2009 Voice Sistem SRL
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  *
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  * This file is part of Kamailio, a free SIP server.
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  *
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  * Kamailio 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.
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  *
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  * Kamailio is distributed in the hope that it will be useful,
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  * 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
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  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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  *
  * 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 "prefix_tree.h"
 #include "dr_time.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_ {
 	/* list of PSTN gw */
 	pgw_t *pgw_l;
 	/* list of IP addr for PSTN gw */
 	pgw_addr_t *pgw_addr_l;
 	/* default routing list for prefixless rules */
 	ptree_node_t noprefix;
 	/* hash table 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;
 		struct _avp_id{
 			int_str name;
 			unsigned short type;
 		}avp_id;
 	}u;
 } dr_group_t;
 
 /* init new rt_data structure */
 rt_data_t*
 build_rt_data( void );
 
 
 /* add a PSTN gw in the list */
 int
 add_dst(
 	rt_data_t*,
 	/* id */
 	int ,
 	/* ip address */ 
 	char*,
 	/* strip len */
 	int,
 	/* pri prefix */
 	char*,
 	/* dst type*/
 	int,
 	/* dst attrs*/
 	char*
 	);
 
 /* build a routing info list element */
 rt_info_t*
 build_rt_info(
 	int priority,
 	tmrec_t* time,
 	/* ser routing table id */
 	int route_id,
 	/* list of destinations indexes */
 	char* dstlst,
 	pgw_t* pgw_l
 );
 
 void
 del_pgw_list(
 		pgw_t *pgw_l
 		);
 
 void 
 free_rt_data(
 		rt_data_t*,
 		int
 		);
 #endif