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.
-
- $Id$
+ 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.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/* We need to generate two trees from the graph:
#include "process.h"
#include "subnet.h"
#include "utils.h"
+#include "xalloc.h"
static bool graph_changed = true;
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;
Running time: O(E)
*/
-void sssp_bfs(void)
-{
+void sssp_bfs(void) {
avl_node_t *node, *next, *to;
edge_t *e;
node_t *n;
n->minmtu = 0;
n->mtuprobes = 0;
- asprintf(&envp[0], "NETNAME=%s", netname ? : "");
- asprintf(&envp[1], "DEVICE=%s", device ? : "");
- asprintf(&envp[2], "INTERFACE=%s", iface ? : "");
- asprintf(&envp[3], "NODE=%s", n->name);
+ if(n->mtuevent) {
+ event_del(n->mtuevent);
+ n->mtuevent = NULL;
+ }
+
+ xasprintf(&envp[0], "NETNAME=%s", netname ? : "");
+ xasprintf(&envp[1], "DEVICE=%s", device ? : "");
+ xasprintf(&envp[2], "INTERFACE=%s", iface ? : "");
+ xasprintf(&envp[3], "NODE=%s", n->name);
sockaddr2str(&n->address, &address, &port);
- asprintf(&envp[4], "REMOTEADDRESS=%s", address);
- asprintf(&envp[5], "REMOTEPORT=%s", port);
+ xasprintf(&envp[4], "REMOTEADDRESS=%s", address);
+ xasprintf(&envp[5], "REMOTEPORT=%s", port);
envp[6] = NULL;
execute_script(n->status.reachable ? "host-up" : "host-down", envp);
- asprintf(&name,
+ xasprintf(&name,
n->status.reachable ? "hosts/%s-up" : "hosts/%s-down",
n->name);
execute_script(name, envp);
}
}
-void graph(void)
-{
+void graph(void) {
subnet_cache_flush();
sssp_bfs();
mst_kruskal();
dot -Tpng graph_filename -o image_filename.png -Gconcentrate=true
*/
-void dump_graph(void)
-{
+void dump_graph(void) {
avl_node_t *node;
node_t *n;
edge_t *e;
if(filename[0] == '|') {
file = popen(filename + 1, "w");
} else {
- asprintf(&tmpname, "%s.new", filename);
+ xasprintf(&tmpname, "%s.new", filename);
file = fopen(tmpname, "w");
}