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- #ifndef TINC_SUBNET_H
- #define TINC_SUBNET_H
- /*
- subnet.h -- header for subnet.c
- Copyright (C) 2000-2009 Guus Sliepen <guus@tinc-vpn.org>,
- 2000-2005 Ivo Timmermans
- 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.
- 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.
- */
- #include "net.h"
- typedef enum subnet_type_t {
- SUBNET_MAC = 0,
- SUBNET_IPV4,
- SUBNET_IPV6,
- SUBNET_TYPES, /* Guardian */
- } subnet_type_t;
- typedef struct subnet_mac_t {
- mac_t address;
- } subnet_mac_t;
- typedef struct subnet_ipv4_t {
- ipv4_t address;
- int prefixlength;
- } subnet_ipv4_t;
- typedef struct subnet_ipv6_t {
- ipv6_t address;
- int prefixlength;
- } subnet_ipv6_t;
- #include "node.h"
- typedef struct subnet_t {
- struct node_t *owner; /* the owner of this subnet */
- subnet_type_t type; /* subnet type (IPv4? IPv6? MAC? something even weirder?) */
- time_t expires; /* expiry time */
- int weight; /* weight (higher value is higher priority) */
- /* And now for the actual subnet: */
- union net {
- subnet_mac_t mac;
- subnet_ipv4_t ipv4;
- subnet_ipv6_t ipv6;
- } net;
- } subnet_t;
- #define MAXNETSTR 64
- extern avl_tree_t *subnet_tree;
- extern subnet_t *new_subnet(void) __attribute__((__malloc__));
- extern void free_subnet(subnet_t *subnet);
- extern void init_subnets(void);
- extern void exit_subnets(void);
- extern avl_tree_t *new_subnet_tree(void) __attribute__((__malloc__));
- extern void free_subnet_tree(avl_tree_t *subnet_tree);
- extern void subnet_add(struct node_t *owner, subnet_t *subnet);
- extern void subnet_del(struct node_t *owner, subnet_t *subnet);
- extern void subnet_update(struct node_t *owner, subnet_t *subnet, bool up);
- extern bool net2str(char *netstr, int len, const subnet_t *subnet);
- extern bool str2net(subnet_t *subnet, const char *netstr);
- extern subnet_t *lookup_subnet(const struct node_t *owner, const subnet_t *subnet);
- extern subnet_t *lookup_subnet_mac(const struct node_t *owner, const mac_t *address);
- extern subnet_t *lookup_subnet_ipv4(const ipv4_t *address);
- extern subnet_t *lookup_subnet_ipv6(const ipv6_t *address);
- extern void dump_subnets(void);
- extern void subnet_cache_flush(void);
- #endif
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