using namespace std;
+/// Server error threshold: When the host IP is not current, the DNS TTL expired
+/// and we already sent an update.
+const int ServerErrorTTLExpiredThreshold = 15 * 60;
+
+
/**
* Default constructor which initializes the member Conf.
*/
{
Log->set_log_facility(Conf->get_loglevel(),Conf->get_syslog(),Conf->get_external_warning_log(),Conf->get_external_warning_level(),Conf->get_external_log_only_once());
Log->print_init_log_facility();
+
+ Log->set_log_passwords(Conf->get_log_passwords());
}
list<Service::Ptr> services = ServiceHolder->get_services();
// Get the actual IP of this host.
- string ip_host = IPAddrHelp->get_actual_ip(Conf->get_webcheck_enabled(), changed_to_online);
+ string ip_host = IPAddrHelp->get_actual_ip(Conf->get_webcheck_enabled(), changed_to_online, Conf->get_wan_ip_override());
if ( ip_host.empty() )
{
Log->print_no_wan_ip(changed_to_online);
{
string ip_last_update = service->get_actual_ip();
string hostname = service->get_hostname();
- time_t lastupdated = 0;
time_t current_time = time(NULL);
- // Try to get the lastupdated time of the actual service if there is one.
- if ( !service->get_last_updates().empty() )
- lastupdated = service->get_last_updates().front(); /*lint !e1793 */
+ // Get the last update time of the service.
+ time_t lastupdated = service->get_last_update_time();
Log->print_check_service_update(hostname, current_time, lastupdated);
Log->print_cached_dns_entry(hostname, ip_dns_recheck, ip_last_update, ip_host);
// Test if the DNS-Record could not be found.
- if ( ip_dns_recheck.empty() )
+ // If DNS-Record was not found but service was not activated, the hostname could be deactivated, offline or not existent. In this case try a ordinary update.
+ if ( ip_dns_recheck.empty() && service->get_activated() )
{
Log->print_dns_lookup_failed(changed_to_online, hostname);
continue;
if ( ip_last_update != ip_host )
{
// Update
- Log->print_update_service(hostname, ip_dns_recheck, ip_last_update, ip_host, lastupdated);
- service->update(ip_host,current_time);
+ if ( !ip_dns_recheck.empty() )
+ {
+ Log->print_update_service(hostname, ip_dns_recheck, ip_last_update, ip_host, lastupdated);
+ }
+ else
+ {
+ // Service gets updated the first time and no DNS-Record was found. This is either a initial update or the hostname is really not available.
+ Log->print_update_service(hostname, "<NO IP SET>", ip_last_update, ip_host, lastupdated);
+ }
+
+ service->update(ip_host, current_time, changed_to_online);
}
else
{
int dns_cache_ttl = service->get_dns_cache_ttl();
+
+ // Add server error threshold so we don't jam the server with updates for the same IP
+ // in case the server doesn't hand out the already sent IP via DNS
+ // (might indicate a server error).
+ dns_cache_ttl += ServerErrorTTLExpiredThreshold;
+
// Check if DNS Cache TTL is expired, if so, then update the same IP again.
if ( (lastupdated + dns_cache_ttl) < current_time )
{
// Update
Log->print_update_service_ttl_expired(hostname, ip_dns_recheck, ip_last_update, ip_host, lastupdated, dns_cache_ttl, current_time);
- service->update(ip_host,current_time);
+ service->update(ip_host, current_time, changed_to_online);
}
else
{