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NetworkDeviceDiscovery: perform reachability verification ping

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This commit is contained in:
Simon Stürz 2023-05-05 08:49:31 +02:00
parent a41b82afbe
commit c161e4df09
1 changed files with 7 additions and 0 deletions
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7
libnymea-core/hardware/network/networkdevicediscoveryimpl.cpp
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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;