projects
/
tinc
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
K&R style braces
[tinc]
/
src
/
graph.c
diff --git
a/src/graph.c
b/src/graph.c
index
eadb36a
..
c04cef4
100644
(file)
--- a/
src/graph.c
+++ b/
src/graph.c
@@
-58,15
+58,12
@@
#include "subnet.h"
#include "utils.h"
#include "subnet.h"
#include "utils.h"
-static bool graph_changed = true;
-
/* Implementation of Kruskal's algorithm.
Running time: O(EN)
Please note that sorting on weight is already done by add_edge().
*/
/* Implementation of Kruskal's algorithm.
Running time: O(EN)
Please note that sorting on weight is already done by add_edge().
*/
-void mst_kruskal(void)
-{
+void mst_kruskal(void) {
avl_node_t *node, *next;
edge_t *e;
node_t *n;
avl_node_t *node, *next;
edge_t *e;
node_t *n;
@@
-101,7
+98,13
@@
void mst_kruskal(void)
/* Starting point */
/* Starting point */
- ((edge_t *) edge_weight_tree->head->data)->from->status.visited = true;
+ for(node = edge_weight_tree->head; node; node = node->next) {
+ e = node->data;
+ if(e->from->status.reachable) {
+ e->from->status.visited = true;
+ break;
+ }
+ }
/* Add safe edges */
/* Add safe edges */
@@
-143,8
+146,7
@@
void mst_kruskal(void)
Running time: O(E)
*/
Running time: O(E)
*/
-void sssp_bfs(void)
-{
+void sssp_bfs(void) {
avl_node_t *node, *next, *to;
edge_t *e;
node_t *n;
avl_node_t *node, *next, *to;
edge_t *e;
node_t *n;
@@
-305,34
+307,22
@@
void sssp_bfs(void)
}
}
}
}
-void graph(void)
-{
- mst_kruskal();
- sssp_bfs();
- graph_changed = true;
-}
-
-
-
/* Dump nodes and edges to a graphviz file.
The file can be converted to an image with
dot -Tpng graph_filename -o image_filename.png -Gconcentrate=true
*/
/* Dump nodes and edges to a graphviz file.
The file can be converted to an image with
dot -Tpng graph_filename -o image_filename.png -Gconcentrate=true
*/
-void dump_graph(void)
-{
+static void dump_graph(int fd, short events, void *data) {
avl_node_t *node;
node_t *n;
edge_t *e;
char *filename = NULL, *tmpname = NULL;
FILE *file;
avl_node_t *node;
node_t *n;
edge_t *e;
char *filename = NULL, *tmpname = NULL;
FILE *file;
- if(!g
raph_changed || !g
et_config_string(lookup_config(config_tree, "GraphDumpFile"), &filename))
+ if(!get_config_string(lookup_config(config_tree, "GraphDumpFile"), &filename))
return;
return;
- graph_changed = false;
-
ifdebug(PROTOCOL) logger(LOG_NOTICE, "Dumping graph");
if(filename[0] == '|') {
ifdebug(PROTOCOL) logger(LOG_NOTICE, "Dumping graph");
if(filename[0] == '|') {
@@
-368,7
+358,21
@@
void dump_graph(void)
pclose(file);
} else {
fclose(file);
pclose(file);
} else {
fclose(file);
+#ifdef HAVE_MINGW
+ unlink(filename);
+#endif
rename(tmpname, filename);
free(tmpname);
}
}
rename(tmpname, filename);
free(tmpname);
}
}
+
+void graph(void) {
+ static struct event ev;
+
+ sssp_bfs();
+ mst_kruskal();
+
+ if(!timeout_initialized(&ev))
+ timeout_set(&ev, dump_graph, NULL);
+ event_add(&ev, &(struct timeval){5, 0});
+}