/*
subnet.h -- header for subnet.c
- Copyright (C) 2000 Guus Sliepen <guus@sliepen.warande.net>,
- 2000 Ivo Timmermans <itimmermans@bigfoot.com>
+ Copyright (C) 2000-2004 Guus Sliepen <guus@tinc-vpn.org>,
+ 2000-2004 Ivo Timmermans <ivo@tinc-vpn.org>
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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: subnet.h,v 1.1.2.1 2000/10/01 03:21:49 guus Exp $
+ $Id$
*/
#ifndef __TINC_SUBNET_H__
#define __TINC_SUBNET_H__
-enum{
- SUBNET_MAC = 0,
- SUBNET_IPv4,
- SUBNET_IPv6,
-};
+#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 conn_list_t *owner; /* the owner of this subnet */
- struct conn_list_t *uplink; /* the uplink which we should send packets to for this subnet */
+ 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 */
- struct subnet_t *prev; /* previous subnet_t for this owner */
- struct subnet_t *next; /* next subnet_t for this owner */
+ /* And now for the actual subnet: */
- int type; /* subnet type (IPv4? IPv6? MAC? something even weirder?) */
+ union net {
+ subnet_mac_t mac;
+ subnet_ipv4_t ipv4;
+ subnet_ipv6_t ipv6;
+ } net;
+} subnet_t;
- /* Okay this is IPv4 specific because we are lazy and don't want to implement
- other types just now. Type should always be SUBNET_IPv4 for now. */
+#define MAXNETSTR 64
- ip_t netaddr;
- ip_t netmask;
-} subnet_t;
+extern int subnet_compare(const struct subnet_t *, const struct subnet_t *);
+extern subnet_t *new_subnet(void) __attribute__ ((__malloc__));
+extern void free_subnet(subnet_t *);
+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 *);
+extern void subnet_add(struct node_t *, subnet_t *);
+extern void subnet_del(struct node_t *, subnet_t *);
+extern bool net2str(char *, int, const subnet_t *);
+extern bool str2net(subnet_t *, const char *);
+extern subnet_t *lookup_subnet(const struct node_t *, const subnet_t *);
+extern subnet_t *lookup_subnet_mac(const mac_t *);
+extern subnet_t *lookup_subnet_ipv4(const ipv4_t *);
+extern subnet_t *lookup_subnet_ipv6(const ipv6_t *);
+extern void dump_subnets(void);
-#endif /* __TINC_SUBNET_H__ */
+#endif /* __TINC_SUBNET_H__ */