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/*
* Ouroboros - Copyright (C) 2016 - 2021
*
* Undirected graph structure
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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., http://www.fsf.org/about/contact/.
*/
#ifndef OUROBOROS_IPCPD_UNICAST_GRAPH_H
#define OUROBOROS_IPCPD_UNICAST_GRAPH_H
#include <ouroboros/list.h>
#include <ouroboros/qos.h>
#include <inttypes.h>
enum routing_algo {
ROUTING_SIMPLE = 0,
ROUTING_LFA,
ROUTING_ECMP
};
struct nhop {
struct list_head next;
uint64_t nhop;
};
struct routing_table {
struct list_head next;
uint64_t dst;
struct list_head nhops;
};
struct graph * graph_create(void);
void graph_destroy(struct graph * graph);
int graph_update_edge(struct graph * graph,
uint64_t s_addr,
uint64_t d_addr,
qosspec_t qs);
int graph_del_edge(struct graph * graph,
uint64_t s_addr,
uint64_t d_addr);
int graph_routing_table(struct graph * graph,
enum routing_algo algo,
uint64_t s_addr,
struct list_head * table);
void graph_free_routing_table(struct graph * graph,
struct list_head * table);
#endif /* OUROBOROS_IPCPD_UNICAST_GRAPH_H */
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