using namespace std;
Updater::Ptr updater;
-volatile bool exit_now = false;
volatile bool caught_sig_hup = false;
volatile bool caught_sig_usr1 = false;
volatile bool caught_sig_usr2 = false;
volatile bool caught_sig_rtmin = false;
+volatile bool caught_sig_rtmax = false;
volatile bool caught_sig_term = false;
/**
/**
- * Signal SIGHUP caught (reload config)
+ * Signal SIGHUP caught (reload config and reset log level)
* @param param Parameter from the signal interface.
*/
void sighup_func(int param)
/**
+ * Signal SIGRTMAX caught (increase log level)
+ * @param param Parameter from the signal interface.
+ */
+void sigrtmax_func(int param)
+{
+ caught_sig_rtmax = true;
+} /*lint !e715 */
+
+
+/**
* Initialize the signals we handle.
* @return 0 if all is fine, -1 on error.
*/
updater->get_logger()->print_error_setting_signal("SIGRTMIN");
return -1;
}
+ ret_val = signal(SIGRTMAX, sigrtmax_func);
+ if ( ret_val == SIG_ERR )
+ {
+ updater->get_logger()->print_error_setting_signal("SIGRTMAX");
+ return -1;
+ }
return 0;
}
}
/**
+ * Calculate how long the dialup mode burst period will last (dialup mode only)
+ * @return Timestamp until dialup period lasts or zero if dialup mode is disabled
+*/
+time_t calc_dialup_mode_burst_period()
+{
+ if (updater->get_config()->get_dialup_mode() )
+ return time(NULL) + updater->get_config()->get_dialup_burst_period_seconds();
+
+ return 0;
+}
+
+/**
* @brief The main part.
* @param argc Number of arguments
* @param argv Command line arguments
bool old_online_state = false;
bool is_online = !updater->get_config()->get_start_offline();
bool webcheck_enabled = updater->get_config()->get_webcheck_enabled();
+ bool exit_now = false;
// One shot run if daemon mode is disabled
if (updater->get_config()->get_daemon_mode() != 1)
// Tell the world we are running
updater->get_logger()->print_started();
+ int original_log_level = updater->get_logger()->get_loglevel();
+
+ // Dialup mode: Sleep a specified number of seconds between network traffic
+ time_t dialup_mode_burst_mode_until = calc_dialup_mode_burst_period();
+ time_t dialup_mode_sleep_until = 0;
+
// service processing starts here
do
{
// Go online
is_online = true;
webcheck_enabled = false;
+ dialup_mode_burst_mode_until = calc_dialup_mode_burst_period();
} else if (caught_sig_rtmin)
{
caught_sig_rtmin = false;
// Go online - with webcheck
is_online = true;
webcheck_enabled = true;
+ dialup_mode_burst_mode_until = calc_dialup_mode_burst_period();
+ } else if (caught_sig_rtmax)
+ {
+ caught_sig_rtmax = false;
+
+ // Increase log level
+ int new_loglevel = updater->get_logger()->get_loglevel() + 1;
+ updater->get_logger()->print_caught_sigrtmax(new_loglevel);
+ updater->get_logger()->set_loglevel(new_loglevel);
} else if (caught_sig_term)
{
caught_sig_term = false;
updater->get_logger()->print_conf_reload_failed_exit();
exit(-1);
}
+
+ // Reset log level to startup log level in case it got elevated by SIGRTMAX
+ updater->get_logger()->set_loglevel(original_log_level);
+
+ // Reset dialup mode burst period on config reload
+ dialup_mode_burst_mode_until = calc_dialup_mode_burst_period();
}
// State handling
if ( updater->get_config()->get_webcheck_enabled() != webcheck_enabled ) /*lint !e731 */
updater->get_config()->set_webcheck_enabled(webcheck_enabled);
- // update all configured services
- updater->update_services(is_online != old_online_state);
+ if (updater->get_config()->get_dialup_mode() == false ||
+ (time(NULL) > dialup_mode_sleep_until || time(NULL) < dialup_mode_burst_mode_until) )
+ {
+ // update all configured services
+ updater->update_services(is_online != old_online_state);
+
+ // Refresh sleep state (dialup mode only)
+ dialup_mode_sleep_until = time(NULL) + updater->get_config()->get_dialup_sleep_seconds();
+ } else
+ updater->get_logger()->print_sleep_dialup_mode(dialup_mode_sleep_until);
}
else
{