1 #ifndef MESHLINK_EDGE_H
2 #define MESHLINK_EDGE_H
5 edge.h -- header for edge.c
6 Copyright (C) 2014, 2017 Guus Sliepen <guus@meshlink.io>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "splay_tree.h"
24 #include "connection.h"
28 typedef struct edge_t {
33 struct connection_t *connection; /* connection associated with this edge, if available */
34 struct edge_t *reverse; /* edge in the opposite direction, if available */
36 int weight; /* weight of this edge */
37 uint32_t session_id; /* the session_id of the from node */
40 void init_edges(struct meshlink_handle *mesh);
41 void exit_edges(struct meshlink_handle *mesh);
42 edge_t *new_edge(void) __attribute__((__malloc__));
43 void free_edge(edge_t *);
44 struct splay_tree_t *new_edge_tree(void) __attribute__((__malloc__));
45 void free_edge_tree(struct splay_tree_t *);
46 void edge_add(struct meshlink_handle *mesh, edge_t *);
47 void edge_del(struct meshlink_handle *mesh, edge_t *);
48 edge_t *lookup_edge(struct node_t *, struct node_t *) __attribute__((__warn_unused_result__));