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/*
* $Id: udomain.h,v 1.5 2006/02/22 19:14:23 bogdan_iancu Exp $
*
* Usrloc domain structure
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser 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
*
* openser 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* History:
* --------
* 2003-03-11 changed to new locking scheme: locking.h (andrei)
*/
#ifndef UDOMAIN_H
#define UDOMAIN_H
#include <stdio.h>
#include "../../statistics.h"
#include "../../locking.h"
#include "../../str.h"
#include "../../db/db.h"
#include "urecord.h"
#include "hslot.h"
struct hslot; /* Hash table slot */
struct urecord; /* Usrloc record */
/*
* The structure represents a usrloc domain
*/
typedef struct udomain {
str* name; /* Domain name (NULL terminated) */
int size; /* Hash table size */
struct hslot* table; /* Hash table - array of collision slots */
struct { /* Linked list of all elements in the domain */
int n; /* Number of element in the linked list */
struct urecord* first; /* First element in the list */
struct urecord* last; /* Last element in the list */
} d_ll;
gen_lock_t lock; /* lock variable */
/* statistics */
stat_var *users; /* no of registered users */
stat_var *contacts; /* no of registered contacts */
stat_var *expires; /* no of expires */
} udomain_t;
/*
* Create a new domain structure
* _n is pointer to str representing
* name of the domain, the string is
* not copied, it should point to str
* structure stored in domain list
* _s is hash table size
*/
int new_udomain(str* _n, int _s, udomain_t** _d);
/*
* Free all memory allocated for
* the domain
*/
void free_udomain(udomain_t* _d);
/*
* Just for debugging
*/
void print_udomain(FILE* _f, udomain_t* _d);
/*
* Load data from a database
*/
int preload_udomain(db_con_t* _c, udomain_t* _d);
/*
* Check the DB validity of a domain
*/
int testdb_udomain(db_con_t* con, udomain_t* d);
/*
* Timer handler for given domain (db_only)
*/
int db_timer_udomain(udomain_t* _d);
/*
* Timer handler for given domain
*/
int mem_timer_udomain(udomain_t* _d);
/*
* Insert record into domain
*/
int mem_insert_urecord(udomain_t* _d, str* _aor, struct urecord** _r);
/*
* Delete a record
*/
void mem_delete_urecord(udomain_t* _d, struct urecord* _r);
/*
* Get lock
*/
typedef void (*lock_udomain_t)(udomain_t* _d);
void lock_udomain(udomain_t* _d);
/*
* Release lock
*/
typedef void (*unlock_udomain_t)(udomain_t* _d);
void unlock_udomain(udomain_t* _d);
/* ===== module interface ======= */
/*
* Create and insert a new record
*/
typedef int (*insert_urecord_t)(udomain_t* _d, str* _aor, struct urecord** _r);
int insert_urecord(udomain_t* _d, str* _aor, struct urecord** _r);
/*
* Obtain a urecord pointer if the urecord exists in domain
*/
typedef int (*get_urecord_t)(udomain_t* _d, str* _a, struct urecord** _r);
int get_urecord(udomain_t* _d, str* _aor, struct urecord** _r);
/*
* Delete a urecord from domain
*/
typedef int (*delete_urecord_t)(udomain_t* _d, str* _a, struct urecord* _r);
int delete_urecord(udomain_t* _d, str* _aor, struct urecord* _r);
#endif /* UDOMAIN_H */
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