X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fgraph.c;h=2fc3b744c4e13fde81ed1d583f6d3b70df304628;hp=a3fe0ce552134a8fa5e9baaabd8f688b79fb3048;hb=2077451e07f93edc520cf5bc31815624a2b03fdd;hpb=40b1692940a8d588c08fb6b8f24ded7c33b041b1

diff --git a/src/graph.c b/src/graph.c
index a3fe0ce5..2fc3b744 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -1,7 +1,7 @@
 /*
     graph.c -- graph algorithms
-    Copyright (C) 2001-2004 Guus Sliepen <guus@tinc-vpn.org>,
-                  2001-2004 Ivo Timmermans <ivo@tinc-vpn.org>
+    Copyright (C) 2001-2006 Guus Sliepen <guus@tinc-vpn.org>,
+                  2001-2005 Ivo Timmermans
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -226,7 +226,9 @@ void sssp_bfs(void)
 					free(e->to->hostname);
 
 				e->to->hostname = sockaddr2hostname(&e->to->address);
-				avl_insert_node(node_udp_tree, node);
+
+				if(node)
+					avl_insert_node(node_udp_tree, node);
 
 				if(e->to->options & OPTION_PMTU_DISCOVERY) {
 					e->to->mtuprobes = 0;
@@ -258,9 +260,11 @@ void sssp_bfs(void)
 			if(n->status.reachable) {
 				ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Node %s (%s) became reachable"),
 					   n->name, n->hostname);
+				avl_insert(node_udp_tree, n);
 			} else {
 				ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Node %s (%s) became unreachable"),
 					   n->name, n->hostname);
+				avl_delete(node_udp_tree, n);
 			}
 
 			n->status.validkey = false;
@@ -279,6 +283,8 @@ void sssp_bfs(void)
 			asprintf(&envp[5], "REMOTEPORT=%s", port);
 			envp[6] = NULL;
 
+			execute_script(n->status.reachable ? "host-up" : "host-down", envp);
+
 			asprintf(&name,
 					 n->status.reachable ? "hosts/%s-up" : "hosts/%s-down",
 					 n->name);