iid.h

/*
 * Copyright (c) 2010  Axel Neumann
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program 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
 */

#ifndef _IID_H
#define _IID_H



#define IID_REPOS_SIZE_BLOCK 32

#define IID_REPOS_SIZE_MAX  ((IID_T)(-1))
#define IID_REPOS_SIZE_WARN 1024

#define IID_RSVD_UNUSED 0
#define IID_RSVD_MAX    0
#define IID_MIN_USED    1

#define IID_SPREAD_FK   1  /*default=2 , 1 means no spreading    #define IID_REPOS_USAGE_WARNING 10 */


struct iid_ref {
	IID_T myIID4x;
	uint16_t referred_by_neigh_timestamp_sec;
};

struct iid_repos {
	IID_T arr_size; // the number of allocated array fields
	IID_T min_free; // the first unused array field from the beginning of the array (might be outside of allocated space)
	IID_T max_free; // the first unused array field after the last used field in the array (might be outside of allocated space)
	IID_T tot_used; // the total number of used fields in the array
	union {
		uint8_t *u8;
		IID_NODE_T **node;
		struct iid_ref *ref;
	} arr;
};

extern struct iid_repos my_iid_repos;



//int8_t iid_extend_repos( struct iid_repos *rep );

void iid_purge_repos( struct iid_repos *rep );

void iid_free(struct iid_repos *rep, IID_T iid);

void iid_free_neighIID4x_by_myIID4x( struct iid_repos *rep, IID_T myIID4x);

IDM_T iid_set_neighIID4x(struct iid_repos *neigh_rep, IID_T neighIID4x, IID_T myIID4x);

IID_T iid_new_myIID4x( IID_NODE_T *dhn );


IID_NODE_T* iid_get_node_by_neighIID4x(IID_NEIGH_T *nn, IID_T neighIID4x, IDM_T verbose);


IID_NODE_T* iid_get_node_by_myIID4x( IID_T myIID4x );



#endif