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authorSander Vrijders <sander.vrijders@ugent.be>2017-03-14 16:06:33 +0100
committerSander Vrijders <sander.vrijders@ugent.be>2017-03-14 16:06:33 +0100
commit7714673b65daf1fd0266d2855d9bfc91d735b51a (patch)
tree3c7aa5e8bf1144767fbadc79dd5a33a0d0b95404 /src/ipcpd/normal/graph.h
parent366fcbec4fb7de21c553f24efb977b45bf27f2e6 (diff)
downloadouroboros-7714673b65daf1fd0266d2855d9bfc91d735b51a.tar.gz
ouroboros-7714673b65daf1fd0266d2855d9bfc91d735b51a.zip
ipcpd: normal: Add graph structure
This adds a graph structure which will be updated by routing when it is notified about a new RIB event. The routing can then use this graph as input for calculating the shortest path to a destination.
Diffstat (limited to 'src/ipcpd/normal/graph.h')
-rw-r--r--src/ipcpd/normal/graph.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/src/ipcpd/normal/graph.h b/src/ipcpd/normal/graph.h
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+++ b/src/ipcpd/normal/graph.h
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+/*
+ * Ouroboros - Copyright (C) 2016 - 2017
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef OUROBOROS_IPCPD_NORMAL_GRAPH_H
+#define OUROBOROS_IPCPD_NORMAL_GRAPH_H
+
+#include <ouroboros/list.h>
+#include <ouroboros/qos.h>
+
+#include <inttypes.h>
+
+struct edge {
+ struct list_head next;
+ uint64_t dst_addr;
+ qosspec_t qs;
+};
+
+struct vertex {
+ struct list_head next;
+ uint64_t addr;
+ struct list_head edges;
+};
+
+struct graph {
+ size_t nr_vertices;
+ struct list_head vertices;
+ pthread_mutex_t lock;
+};
+
+struct graph * graph_create(void);
+
+void graph_destroy(struct graph * graph);
+
+int graph_add_edge(struct graph * graph,
+ uint64_t s_addr,
+ uint64_t d_addr,
+ qosspec_t qs);
+
+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);
+
+#endif /* OUROBOROS_IPCPD_NORMAL_GRAPH_H */