public virtual void Shutdown()
{
if (ch != null)
{
ch.Close().AwaitUninterruptibly();
}
if (server != null)
{
server.ReleaseExternalResources();
}
}
internal void Shutdown()
{
allChannels.Close().AwaitUninterruptibly();
tcpServer.ReleaseExternalResources();
udpServer.ReleaseExternalResources();
}