private void UpdateNetworkInterfaces(ISettings settings)
{
// When multiple events fire concurrently, we don't want threads interfering
// with others as they manipulate non-thread safe state.
lock (_scanLock)
{
IOrderedEnumerable <NetworkInterface> networkInterfaces = GetNetworkInterfaces();
if (networkInterfaces == null)
{
return;
}
var foundNetworkInterfaces = networkInterfaces.ToDictionary(x => x.Id, x => x);
// Remove network interfaces that no longer exist.
List <string> removeKeys = new List <string>();
foreach (KeyValuePair <string, Network> networkInterfacePair in _networks)
{
if (foundNetworkInterfaces.ContainsKey(networkInterfacePair.Key))
{
continue;
}
removeKeys.Add(networkInterfacePair.Key);
}
foreach (string key in removeKeys)
{
var network = _networks[key];
network.Dispose();
_networks.Remove(key);
_hardware.Remove(network);
HardwareRemoved?.Invoke(network);
}
// Add new network interfaces.
foreach (KeyValuePair <string, NetworkInterface> networkInterfacePair in foundNetworkInterfaces)
{
if (!_networks.ContainsKey(networkInterfacePair.Key))
{
_networks.Add(networkInterfacePair.Key, new Network(networkInterfacePair.Value, settings));
_hardware.Add(_networks[networkInterfacePair.Key]);
HardwareAdded?.Invoke(_networks[networkInterfacePair.Key]);
}
}
}
}
private void HardwareAddedEvent(IHardware hardware)
{
HardwareAdded?.Invoke(hardware);
}