2 edge.h -- header for edge.c
3 Copyright (C) 2014 Guus Sliepen <guus@meshlink.io>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef __TINC_EDGE_H__
21 #define __TINC_EDGE_H__
23 #include "splay_tree.h"
24 #include "connection.h"
28 typedef struct edge_t {
33 uint32_t options; /* options turned on for this edge */
34 int weight; /* weight of this edge */
36 struct connection_t *connection; /* connection associated with this edge, if available */
37 struct edge_t *reverse; /* edge in the opposite direction, if available */
40 extern struct splay_tree_t *edge_weight_tree; /* Tree with all known edges sorted on weight */
42 extern void init_edges(void);
43 extern void exit_edges(void);
44 extern edge_t *new_edge(void) __attribute__ ((__malloc__));
45 extern void free_edge(edge_t *);
46 extern struct splay_tree_t *new_edge_tree(void) __attribute__ ((__malloc__));
47 extern void free_edge_tree(struct splay_tree_t *);
48 extern void edge_add(edge_t *);
49 extern void edge_del(edge_t *);
50 extern edge_t *lookup_edge(struct node_t *, struct node_t *);
52 #endif /* __TINC_EDGE_H__ */