88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*
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subnet.h -- header for subnet.c
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Copyright (C) 2000,2001 Guus Sliepen <guus@sliepen.eu.org>,
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2000,2001 Ivo Timmermans <ivo@o2w.nl>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: subnet.h,v 1.1.2.19 2002/06/21 10:11:34 guus Exp $
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*/
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#ifndef __TINC_SUBNET_H__
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#define __TINC_SUBNET_H__
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#include "net.h"
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enum
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{
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SUBNET_MAC = 0,
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SUBNET_IPV4,
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SUBNET_IPV6,
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SUBNET_TYPES /* Guardian */
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};
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typedef struct subnet_mac_t
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{
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mac_t address;
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time_t lastseen;
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} subnet_mac_t;
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typedef struct subnet_ipv4_t
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{
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ipv4_t address;
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int prefixlength;
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} subnet_ipv4_t;
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typedef struct subnet_ipv6_t
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{
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ipv6_t address;
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int prefixlength;
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} subnet_ipv6_t;
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#include "node.h"
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typedef struct subnet_t {
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struct node_t *owner; /* the owner of this subnet */
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struct node_t *uplink; /* the uplink which we should send packets to for this subnet */
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int type; /* subnet type (IPv4? IPv6? MAC? something even weirder?) */
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/* And now for the actual subnet: */
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union net
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{
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subnet_mac_t mac;
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subnet_ipv4_t ipv4;
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subnet_ipv6_t ipv6;
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} net;
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} subnet_t;
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extern subnet_t *new_subnet(void);
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extern void free_subnet(subnet_t *);
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extern void init_subnets(void);
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extern void exit_subnets(void);
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extern avl_tree_t *new_subnet_tree(void);
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extern void free_subnet_tree(avl_tree_t *);
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extern void subnet_add(struct node_t *, subnet_t *);
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extern void subnet_del(struct node_t *, subnet_t *);
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extern char *net2str(subnet_t *);
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extern subnet_t *str2net(char *);
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extern subnet_t *lookup_subnet(struct node_t *, subnet_t *);
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extern subnet_t *lookup_subnet_mac(mac_t *);
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extern subnet_t *lookup_subnet_ipv4(ipv4_t *);
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extern subnet_t *lookup_subnet_ipv6(ipv6_t *);
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extern void dump_subnets(void);
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#endif /* __TINC_SUBNET_H__ */
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