* $Id$
 * Copyright (C) 2012 Smile Communications, jason.penton@smilecoms.com
 * Copyright (C) 2012 Smile Communications, richard.good@smilecoms.com
 * The initial version of this code was written by Dragos Vingarzan
 * (dragos(dot)vingarzan(at)fokus(dot)fraunhofer(dot)de and the
 * Fruanhofer Institute. It was and still is maintained in a separate
 * branch of the original SER. We are therefore migrating it to
 * Kamailio/SR and look forward to maintaining it from here on out.
 * 2011/2012 Smile Communications, Pty. Ltd.
 * ported/maintained/improved by 
 * Jason Penton (jason(dot)penton(at)smilecoms.com and
 * Richard Good (richard(dot)good(at)smilecoms.com) as part of an 
 * effort to add full IMS support to Kamailio/SR using a new and
 * improved architecture
 * NB: Alot of this code was originally part of OpenIMSCore,
 * FhG Fokus. 
 * Copyright (C) 2004-2006 FhG Fokus
 * Thanks for great work! This is an effort to 
 * break apart the various CSCF functions into logically separate
 * components. We hope this will drive wider use. We also feel
 * that in this way the architecture is more complete and thereby easier
 * to manage in the Kamailio/SR environment
 * This file is part of Kamailio, a free SIP server.
 * 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
 * Kamailio is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * 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

#ifndef HSLOT_H
#define HSLOT_H

#include "../../core/locking.h"

#include "udomain.h"
#include "pcontact.h"

struct udomain;
struct pcontact;

typedef struct hslot {
	int n;                  	/*!< Number of elements in the collision slot */
	struct pcontact* first;  	/*!< First element in the list */
	struct pcontact* last;   	/*!< Last element in the list */
	struct udomain* d;      	/*!< Domain we belong to */
	gen_lock_t *lock;       	/*!< Lock for hash entry - fastlock */
	int lockidx;            	/*!< Lock index for hash entry - the rest*/
} hslot_t;

void init_slot(struct udomain* _d, hslot_t* _s, int n);
void deinit_slot(hslot_t* _s);
void slot_add(hslot_t* _s, struct pcontact* _r);
void slot_rem(hslot_t* _s, struct pcontact* _r);
int ul_init_locks(void);
void ul_unlock_locks(void);
void ul_destroy_locks(void);

void ul_lock_idx(int idx);
void ul_release_idx(int idx);

#endif /* HSLOT_H */