/*
 * Copyright (C) 2001-2003 FhG Fokus
 *
 * 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
 * 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
 */
/*!
* \file
* \brief Kamailio core :: Flag handling
* \ingroup core
* Module: \ref core
*/


#ifndef _FLAGS_H
#define _FLAGS_H

enum
{
	FL_WHITE = 1,
	FL_YELLOW,
	FL_GREEN,
	FL_RED,
	FL_BLUE,
	FL_MAGENTA,
	FL_BROWN,
	FL_BLACK,
	FL_ACC,
	FL_MAX
};

typedef unsigned int flag_t;

#define KSR_XFLAGS_SIZE 2
#define KSR_MAX_XFLAG \
	((unsigned int)(KSR_XFLAGS_SIZE * sizeof(flag_t) * CHAR_BIT - 1))

#define MAX_FLAG ((unsigned int)(sizeof(flag_t) * CHAR_BIT - 1))

struct sip_msg;

int setflag(struct sip_msg *msg, flag_t flag);
int resetflag(struct sip_msg *msg, flag_t flag);
int resetflags(struct sip_msg *msg, flag_t flags);
int isflagset(struct sip_msg *msg, flag_t flag);


int setxflag(struct sip_msg *msg, flag_t flag);
int resetxflag(struct sip_msg *msg, flag_t flag);
int isxflagset(struct sip_msg *msg, flag_t flag);

/* Script flag functions. Script flags are global flags that keep their
 * value regardless of the SIP message being processed.
 */

/* Set the value of all the global flags */
int setsflagsval(flag_t val);

/* Set the given flag to 1. Parameter flag contains the index of the flag */
int setsflag(flag_t flag);

/* Reset the given flag to 0. Parameter flag contains the index of the flag */
int resetsflag(flag_t flag);

/* Returns 1 if the given flag is set and -1 otherwise */
int issflagset(flag_t flag);

/* Get the value of all the script flags combined */
flag_t getsflags(void);

int flag_in_range(flag_t flag);

int register_flag(char *name, int pos);
int get_flag_no(char *name, int len);
int check_flag(int pos);
void init_named_flags(void);

#endif
