/*********************************************************************
 *                
 * Filename:      irias_object.h
 * Version:       
 * Description:   
 * Status:        Experimental.
 * Author:        Dag Brattli <dagb@cs.uit.no>
 * Created at:    Thu Oct  1 22:49:50 1998
 * Modified at:   Wed Dec 15 11:20:57 1999
 * Modified by:   Dag Brattli <dagb@cs.uit.no>
 * 
 *     Copyright (c) 1998-1999 Dag Brattli, All Rights Reserved.
 *      
 *     This program 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.
 *  
 *     Neither Dag Brattli nor University of Tromsø admit liability nor
 *     provide warranty for any of this software. This material is 
 *     provided "AS-IS" and at no charge.
 *     
 ********************************************************************/

#ifndef LM_IAS_OBJECT_H
#define LM_IAS_OBJECT_H

#include <net/irda/irda.h>
#include <net/irda/irqueue.h>

/* LM-IAS Attribute types */
#define IAS_MISSING 0
#define IAS_INTEGER 1
#define IAS_OCT_SEQ 2
#define IAS_STRING  3

/* Object ownership of attributes (user or kernel) */
#define IAS_KERNEL_ATTR	0
#define IAS_USER_ATTR	1

/*
 *  LM-IAS Object
 */
struct ias_object {
	irda_queue_t q;     /* Must be first! */
	magic_t magic;
	
	char  *name;
	int   id;
	hashbin_t *attribs;
};

/*
 *  Values used by LM-IAS attributes
 */
struct ias_value {
        __u8    type;    /* Value description */
	__u8	owner;	/* Managed from user/kernel space */
	int     charset; /* Only used by string type */
        int     len;
	
	/* Value */
	union {
		int integer;
		char *string;
		__u8 *oct_seq;
	} t;
};

/*
 *  Attributes used by LM-IAS objects
 */
struct ias_attrib {
	irda_queue_t q; /* Must be first! */
	int magic;

        char *name;   	         /* Attribute name */
	struct ias_value *value; /* Attribute value */
};

struct ias_object *irias_new_object(char *name, int id);
void irias_insert_object(struct ias_object *obj);
int  irias_delete_object(struct ias_object *obj);
int  irias_delete_attrib(struct ias_object *obj, struct ias_attrib *attrib,
			 int cleanobject);
void __irias_delete_object(struct ias_object *obj);

void irias_add_integer_attrib(struct ias_object *obj, char *name, int value,
			      int user);
void irias_add_string_attrib(struct ias_object *obj, char *name, char *value,
			     int user);
void irias_add_octseq_attrib(struct ias_object *obj, char *name, __u8 *octets,
			     int len, int user);
int irias_object_change_attribute(char *obj_name, char *attrib_name, 
				  struct ias_value *new_value);
struct ias_object *irias_find_object(char *name);
struct ias_attrib *irias_find_attrib(struct ias_object *obj, char *name);

struct ias_value *irias_new_string_value(char *string);
struct ias_value *irias_new_integer_value(int integer);
struct ias_value *irias_new_octseq_value(__u8 *octseq , int len);
struct ias_value *irias_new_missing_value(void);
void irias_delete_value(struct ias_value *value);

extern struct ias_value irias_missing;
extern hashbin_t *irias_objects;

#endif
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