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-rw-r--r--src/vppinfra/graph.c182
1 files changed, 0 insertions, 182 deletions
diff --git a/src/vppinfra/graph.c b/src/vppinfra/graph.c
deleted file mode 100644
index 4c92f8ef45f..00000000000
--- a/src/vppinfra/graph.c
+++ /dev/null
@@ -1,182 +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.
- */
-#include <vppinfra/graph.h>
-
-/* Set link distance, creating link if not found. */
-u32
-graph_set_link (graph_t * g, u32 src, u32 dst, u32 distance)
-{
- graph_node_t *src_node, *dst_node;
- graph_link_t *l;
- u32 old_distance;
-
- /* The following validate will not work if src or dst are on the
- pool free list. */
- if (src < vec_len (g->nodes))
- ASSERT (!pool_is_free_index (g->nodes, src));
- if (dst < vec_len (g->nodes))
- ASSERT (!pool_is_free_index (g->nodes, dst));
-
- /* Make new (empty) nodes to make src and dst valid. */
- pool_validate_index (g->nodes, clib_max (src, dst));
-
- src_node = pool_elt_at_index (g->nodes, src);
- dst_node = pool_elt_at_index (g->nodes, dst);
-
- l = graph_dir_get_link_to_node (&src_node->next, dst);
- if (l)
- {
- old_distance = l->distance;
- l->distance = distance;
-
- l = graph_dir_get_link_to_node (&dst_node->prev, src);
- l->distance = distance;
- }
- else
- {
- uword li_next, li_prev;
-
- old_distance = ~0;
-
- li_next = graph_dir_add_link (&src_node->next, dst, distance);
- li_prev = graph_dir_add_link (&dst_node->prev, src, distance);
-
- l = vec_elt_at_index (src_node->next.links, li_next);
- l->link_to_self_index = li_prev;
-
- l = vec_elt_at_index (dst_node->prev.links, li_prev);
- l->link_to_self_index = li_next;
- }
-
- return old_distance;
-}
-
-void
-graph_del_link (graph_t * g, u32 src, u32 dst)
-{
- graph_node_t *src_node, *dst_node;
-
- src_node = pool_elt_at_index (g->nodes, src);
- dst_node = pool_elt_at_index (g->nodes, dst);
-
- graph_dir_del_link (&src_node->next, dst);
- graph_dir_del_link (&dst_node->next, src);
-}
-
-/* Delete source node and all links from other nodes from/to source. */
-uword
-graph_del_node (graph_t * g, u32 src)
-{
- graph_node_t *src_node, *n;
- uword index;
- graph_link_t *l;
-
- src_node = pool_elt_at_index (g->nodes, src);
-
- vec_foreach (l, src_node->next.links)
- {
- n = pool_elt_at_index (g->nodes, l->node_index);
- graph_dir_del_link (&n->prev, src);
- }
-
- vec_foreach (l, src_node->prev.links)
- {
- n = pool_elt_at_index (g->nodes, l->node_index);
- graph_dir_del_link (&n->next, src);
- }
-
- graph_dir_free (&src_node->next);
- graph_dir_free (&src_node->prev);
-
- index = src_node - g->nodes;
- pool_put (g->nodes, src_node);
- clib_memset (src_node, ~0, sizeof (src_node[0]));
-
- return index;
-}
-
-uword
-unformat_graph (unformat_input_t * input, va_list * args)
-{
- graph_t *g = va_arg (*args, graph_t *);
- typedef struct
- {
- u32 src, dst, distance;
- } T;
- T *links = 0, *l;
- uword result;
-
- while (1)
- {
- vec_add2 (links, l, 1);
- if (!unformat (input, "%d%d%d", &l->src, &l->dst, &l->distance))
- break;
- }
- _vec_len (links) -= 1;
- result = vec_len (links) > 0;
- vec_foreach (l, links)
- {
- graph_set_link (g, l->src, l->dst, l->distance);
- graph_set_link (g, l->dst, l->src, l->distance);
- }
-
- vec_free (links);
- return result;
-}
-
-u8 *
-format_graph_node (u8 * s, va_list * args)
-{
- graph_t *g = va_arg (*args, graph_t *);
- u32 node_index = va_arg (*args, u32);
-
- if (g->format_node)
- s = format (s, "%U", g->format_node, g, node_index);
- else
- s = format (s, "%d", node_index);
-
- return s;
-}
-
-u8 *
-format_graph (u8 * s, va_list * args)
-{
- graph_t *g = va_arg (*args, graph_t *);
- graph_node_t *n;
- graph_link_t *l;
- u32 indent = format_get_indent (s);
-
- s = format (s, "graph %d nodes", pool_elts (g->nodes));
- /* *INDENT-OFF* */
- pool_foreach (n, g->nodes) {
- s = format (s, "\n%U", format_white_space, indent + 2);
- s = format (s, "%U -> ", format_graph_node, g, n - g->nodes);
- vec_foreach (l, n->next.links)
- s = format (s, "%U (%d), ",
- format_graph_node, g, l->node_index,
- l->distance);
- }
- /* *INDENT-ON* */
-
- return s;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */