protected override void Cleanup()
{
_cancellationTokenSource.Cancel();
MulticastMemberships.Clear();
#if (NETSTANDARD1_5 || NETSTANDARD1_3)
BackingUdpClient?.Dispose();
#else
BackingUdpClient?.Close();
#endif
_multicastAddress = null;
_multicastPort = 0;
base.Cleanup();
}
public void MulticastDropMembership(string ipLan, string mcastAddress)
{
if (!IsMulticastActive)
{
throw new ArgumentException("Multicast interface must be initialized before dropping multicast memberships");
}
if (!MulticastMemberships.ContainsKey(mcastAddress))
{
return;
}
BackingUdpClient.DropMulticastGroup(IPAddress.Parse(mcastAddress));
MulticastMemberships.Remove(mcastAddress);
}
