+ next = node->next;
+ n = (node_t *)node->data;
+
+ if(n->status.visited != n->status.reachable)
+ {
+ n->status.reachable = !n->status.reachable;
+ if(debug_lvl >= DEBUG_TRAFFIC)
+ if(n->status.reachable)
+ syslog(LOG_DEBUG, _("Node %s (%s) became reachable"), n->name, n->hostname);
+ else
+ syslog(LOG_DEBUG, _("Node %s (%s) became unreachable"), n->name, n->hostname);
+
+ n->status.validkey = 0;
+ n->status.waitingforkey = 0;
+
+ asprintf(&envp[0], "NETNAME=%s", netname?:"");
+ asprintf(&envp[1], "DEVICE=%s", device?:"");
+ asprintf(&envp[2], "INTERFACE=%s", interface?:"");
+ asprintf(&envp[3], "NODE=%s", n->name);
+ sockaddr2str(&n->address, &address, &port);
+ asprintf(&envp[4], "REMOTEADDRESS=%s", address);
+ asprintf(&envp[5], "REMOTEPORT=%s", port);
+ envp[6] = NULL;
+
+ asprintf(&name, n->status.reachable?"hosts/%s-up":"hosts/%s-down", n->name);
+ execute_script(name, envp);
+ free(name);
+ free(address);
+ free(port);
+
+ for(i = 0; i < 7; i++)
+ free(envp[i]);
+ }