Moving files, first attempt at gcrypt compatibility, more interface

[tinc] / lib / subnet.h

diff --git a/lib/subnet.h b/lib/subnet.h
new file mode 100644 (file)
index 0000000..7b20217
--- /dev/null
+++ b/lib/subnet.h
@@ -0,0 +1,90 @@
+/*
+    subnet.h -- header for subnet.c
+    Copyright (C) 2000,2001 Guus Sliepen <guus@sliepen.warande.net>,
+                  2000,2001 Ivo Timmermans <itimmermans@bigfoot.com>
+
+    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: subnet.h,v 1.1 2002/04/28 12:46:26 zarq Exp $
+*/
+
+#ifndef __TINC_SUBNET_H__
+#define __TINC_SUBNET_H__
+
+#include "net.h"
+
+enum
+{
+  SUBNET_MAC = 0,
+  SUBNET_IPV4,
+  SUBNET_IPV6,
+  SUBNET_TYPES                         /* Guardian */
+};
+
+typedef struct subnet_mac_t
+{
+  mac_t address;
+  time_t lastseen;
+} 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 */
+  struct node_t *uplink;               /* the uplink which we should send packets to for this subnet */
+
+  int type;                            /* subnet type (IPv4? IPv6? MAC? something even weirder?) */
+
+  /* And now for the actual subnet: */
+
+  union net
+    {
+      subnet_mac_t mac;
+      subnet_ipv4_t ipv4;
+      subnet_ipv6_t ipv6;
+    } net;
+
+  void *data;                           /* Interface details */
+} subnet_t;
+
+extern subnet_t *new_subnet(void);
+extern void free_subnet(subnet_t *);
+extern void init_subnets(void);
+extern void exit_subnets(void);
+extern avl_tree_t *new_subnet_tree(void);
+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 char *net2str(subnet_t *);
+extern subnet_t *str2net(char *);
+extern subnet_t *lookup_subnet(struct node_t *, subnet_t *);
+extern subnet_t *lookup_subnet_mac(mac_t *);
+extern subnet_t *lookup_subnet_ipv4(ipv4_t *);
+extern subnet_t *lookup_subnet_ipv6(ipv6_t *);
+extern void dump_subnets(void);
+
+#endif /* __TINC_SUBNET_H__ */