+static void sigterm_handler(int signal, short events, void *data) {
+ logger(LOG_NOTICE, _("Got %s signal"), strsignal(signal));
+ running = false;
+ event_loopexit(NULL);
+}
+
+static void sigint_handler(int signal, short events, void *data) {
+ static int saved_debug_level = -1;
+
+ logger(LOG_NOTICE, _("Got %s signal"), strsignal(signal));
+
+ if(saved_debug_level != -1) {
+ logger(LOG_NOTICE, _("Reverting to old debug level (%d)"),
+ saved_debug_level);
+ debug_level = saved_debug_level;
+ saved_debug_level = -1;
+ } else {
+ logger(LOG_NOTICE,
+ _("Temporarily setting debug level to 5. Kill me with SIGINT again to go back to level %d."),
+ debug_level);
+ saved_debug_level = debug_level;
+ debug_level = 5;
+ }
+}
+
+static void sigusr1_handler(int signal, short events, void *data) {
+ logger(LOG_NOTICE, _("Got %s signal"), strsignal(signal));
+ dump_connections();
+}
+
+static void sigusr2_handler(int signal, short events, void *data) {
+ logger(LOG_NOTICE, _("Got %s signal"), strsignal(signal));
+ dump_device_stats();
+ dump_nodes();
+ dump_edges();
+ dump_subnets();
+}
+
+static void sigwinch_handler(int signal, short events, void *data) {
+ logger(LOG_NOTICE, _("Got %s signal"), strsignal(signal));
+ purge();
+}
+
+static void sighup_handler(int signal, short events, void *data) {