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-rw-r--r--src/ipcpd/unicast/routing/graph.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/ipcpd/unicast/routing/graph.h b/src/ipcpd/unicast/routing/graph.h
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+++ b/src/ipcpd/unicast/routing/graph.h
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+/*
+ * Ouroboros - Copyright (C) 2016 - 2021
+ *
+ * Undirected graph structure
+ *
+ * Dimitri Staessens <dimitri@ouroboros.rocks>
+ * Sander Vrijders <sander@ouroboros.rocks>
+ *
+ * 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 */