Merge PR #639: NetworkDeviceDiscovery: perform reachability verification ping

This commit is contained in:
jenkins 2023-05-23 11:49:13 +02:00
commit cdc93ebf05

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@ -608,6 +608,13 @@ void NetworkDeviceDiscoveryImpl::evaluateMonitor(NetworkDeviceMonitorImpl *monit
return;
}
if (!requiresRefresh && monitor->reachable() && currentDateTime <= monitor->lastConnectionAttempt().addSecs(m_rediscoveryInterval)) {
// Note: in some cases only a failed ping is able to mark a device as offline if some ARP proxy is responding to our ARP requests.
// Ping all network devices in any case once in a while, even if we think it is reachable.
qCDebug(dcNetworkDeviceDiscovery()) << monitor << "performing verification ping.";
requiresRefresh = true;
}
if (!requiresRefresh)
return;