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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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