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-rw-r--r--proto/ospf/topology.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/proto/ospf/topology.h b/proto/ospf/topology.h
new file mode 100644
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--- /dev/null
+++ b/proto/ospf/topology.h
@@ -0,0 +1,39 @@
+/*
+ * BIRD -- OSPF
+ *
+ * (c) 1999 Ondrej Filip <feela@network.cz>
+ *
+ * Can be freely distributed and used under the terms of the GNU GPL.
+ */
+
+#ifndef _BIRD_OSPF_TOPOLOGY_H_
+#define _BIRD_OSPF_TOPOLOGY_H_
+
+struct top_hash_entry { /* Index for fast mapping (type,rtrid,LSid)->vertex */
+ struct top_hash_entry *next; /* Next in hash chain */
+ struct top_vertex *vertex;
+ u32 lsa_id, rtr_id;
+ u16 lsa_type;
+ u16 pad;
+};
+
+struct top_graph {
+ pool *pool; /* Pool we allocate from */
+ slab *hash_slab; /* Slab for hash entries */
+ struct top_hash_entry **hash_table; /* Hashing (modelled a`la fib) */
+ unsigned int hash_size;
+ unsigned int hash_order;
+ unsigned int hash_mask;
+ unsigned int hash_entries;
+ unsigned int hash_entries_min, hash_entries_max;
+};
+
+struct top_graph *ospf_top_new(struct proto_ospf *);
+void ospf_top_free(struct top_graph *);
+void ospf_top_dump(struct top_graph *);
+struct top_hash_entry *ospf_hash_find(struct top_graph *, u32 lsa, u32 rtr, u32 type);
+struct top_hash_entry *ospf_hash_get(struct top_graph *, u32 lsa, u32 rtr, u32 type);
+void ospf_hash_delete(struct top_graph *, struct top_hash_entry *);
+
+
+#endif /* _BIRD_OSPF_TOPOLOGY_H_ */