summaryrefslogtreecommitdiffstats
path: root/src/vppinfra/graph.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/vppinfra/graph.h')
-rw-r--r--src/vppinfra/graph.h127
1 files changed, 0 insertions, 127 deletions
diff --git a/src/vppinfra/graph.h b/src/vppinfra/graph.h
deleted file mode 100644
index 1c26118f76c..00000000000
--- a/src/vppinfra/graph.h
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (c) 2015 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef included_clib_graph_h
-#define included_clib_graph_h
-
-#include <vppinfra/format.h>
-#include <vppinfra/hash.h>
-#include <vppinfra/pool.h>
-
-/* Generic graphs. */
-typedef struct
-{
- /* Next node along this link. */
- u32 node_index;
-
- /* Other direction link index to reach back to current node. */
- u32 link_to_self_index;
-
- /* Distance to next node. */
- u32 distance;
-} graph_link_t;
-
-/* Direction on graph: either next or previous. */
-typedef struct
-{
- /* Vector of links. */
- graph_link_t *links;
-
- /* Hash mapping node index to link which visits this node. */
- uword *link_index_by_node_index;
-} graph_dir_t;
-
-always_inline void
-graph_dir_free (graph_dir_t * d)
-{
- vec_free (d->links);
- hash_free (d->link_index_by_node_index);
-}
-
-always_inline graph_link_t *
-graph_dir_get_link_to_node (graph_dir_t * d, u32 node_index)
-{
- uword *p = hash_get (d->link_index_by_node_index, node_index);
- return p ? vec_elt_at_index (d->links, p[0]) : 0;
-}
-
-always_inline uword
-graph_dir_add_link (graph_dir_t * d, u32 node_index, u32 distance)
-{
- graph_link_t *l;
- ASSERT (!graph_dir_get_link_to_node (d, node_index));
- vec_add2 (d->links, l, 1);
- l->node_index = node_index;
- l->distance = distance;
- hash_set (d->link_index_by_node_index, node_index, l - d->links);
- return l - d->links;
-}
-
-always_inline void
-graph_dir_del_link (graph_dir_t * d, u32 node_index)
-{
- graph_link_t *l = graph_dir_get_link_to_node (d, node_index);
- uword li = l - d->links;
- uword n_links = vec_len (d->links);
-
- ASSERT (l != 0);
- hash_unset (d->link_index_by_node_index, node_index);
- n_links -= 1;
- if (li < n_links)
- d->links[li] = d->links[n_links];
- _vec_len (d->links) = n_links;
-}
-
-typedef struct
-{
- /* Nodes we are connected to plus distances. */
- graph_dir_t next, prev;
-} graph_node_t;
-
-typedef struct
-{
- /* Pool of nodes. */
- graph_node_t *nodes;
-
- void *opaque;
-
- format_function_t *format_node;
-} graph_t;
-
-/* Set link distance, creating link if not found. */
-u32 graph_set_link (graph_t * g, u32 src, u32 dst, u32 distance);
-
-always_inline void
-graph_set_bidirectional_link (graph_t * g, u32 src, u32 dst, u32 distance)
-{
- graph_set_link (g, src, dst, distance);
- graph_set_link (g, dst, src, distance);
-}
-
-void graph_del_link (graph_t * g, u32 src, u32 dst);
-uword graph_del_node (graph_t * g, u32 src);
-
-unformat_function_t unformat_graph;
-format_function_t format_graph;
-format_function_t format_graph_node;
-
-#endif /* included_clib_graph_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */