X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fsubnet.h;fp=src%2Fsubnet.h;h=5134ae261e12563a6daa4d1c4053a89f8c1b117f;hb=ff03bb9b0a744530e1145fef656644987a10d62d;hp=0000000000000000000000000000000000000000;hpb=56c51e94a620dd91eeb510176b9c970af9a9a372;p=tinc diff --git a/src/subnet.h b/src/subnet.h new file mode 100644 index 00000000..5134ae26 --- /dev/null +++ b/src/subnet.h @@ -0,0 +1,90 @@ +/* + subnet.h -- subnet handling + + Copyright (C) 2003-2004 Guus Sliepen , + 2003-2004 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., 675 Mass Ave, Cambridge, MA 02139, USA. + + $Id$ +*/ + +#ifndef __SUBNET_H__ +#define __SUBNET_H__ + +#include "rt/node.h" +#include "support/avl.h" + +typedef struct mac { + uint8_t x[6]; +} mac_t; + +typedef struct ipv4 { + uint8_t x[4]; +} ipv4_t; + +typedef struct ipv6 { + uint16_t x[8]; +} ipv6_t; + +typedef enum subnet_type { + SUBNET_TYPE_MAC, + SUBNET_TYPE_IPV4, + SUBNET_TYPE_IPV6, +} subnet_type_t; + +typedef struct subnet_mac { + mac_t address; +} subnet_mac_t; + +typedef struct subnet_ipv4 { + ipv4_t address; + int prefixlength; +} subnet_ipv4_t; + +typedef struct subnet_ipv6 { + ipv6_t address; + int prefixlength; +} subnet_ipv6_t; + +typedef struct subnet { + struct node *owner; + struct timeval expires; + + enum subnet_type type; + + union net { + struct subnet_mac mac; + struct subnet_ipv4 ipv4; + struct subnet_ipv6 ipv6; + } net; +} subnet_t; + +extern subnet_t *subnet_new(void) __attribute__ ((__malloc__)); +extern void subnet_free(struct subnet *); +extern bool subnet_init(void); +extern bool subnet_exit(void); +extern avl_tree_t *subnet_tree_new(void) __attribute__ ((__malloc__)); +extern void subnet_tree_free(avl_tree_t *); +extern void subnet_add(struct subnet *); +extern void subnet_del(struct subnet *); +extern char *net2str(const struct subnet *); +extern struct subnet *str2net(const char *); +extern struct subnet *subnet_get(const struct subnet *); +extern struct subnet *subnet_get_mac(const struct mac *); +extern struct subnet *subnet_get_ipv4(const struct ipv4 *); +extern struct subnet *subnet_get_ipv6(const struct ipv6 *); + +#endif