public static Task ShutdownChannelAsync(
IEventExecutorGroup bossExecutor,
IEventExecutorGroup workerExecutor,
IChannelGroup allChannels,
TimeSpan timeSpan)
{
timeSpan = timeSpan.TotalSeconds <= 2 ? TimeSpan.FromSeconds(3) : timeSpan;
List <Task> tasks = new List <Task>();
// Close all channels
if (allChannels != null)
{
tasks.Add(allChannels.CloseAsync());
}
// Stop boss threads
if (bossExecutor != null)
{
tasks.Add(bossExecutor.ShutdownGracefullyAsync(TimeSpan.FromSeconds(2), timeSpan));
}
// Finally stop I/O workers
if (workerExecutor != null)
{
tasks.Add(workerExecutor.ShutdownGracefullyAsync(TimeSpan.FromSeconds(2), timeSpan));
}
return(Task.WhenAll(tasks.ToArray()));
}