protected override void DoBind(EndPoint localAddress)
{
if (!this.Open)
{
return;
}
Debug.Assert(this.EventLoop.InEventLoop);
if (!this.IsInState(StateFlags.Active))
{
var address = (IPEndPoint)localAddress;
var loopExecutor = (LoopExecutor)this.EventLoop;
uint flags = PlatformApi.GetAddressFamily(address.AddressFamily);
this.tcpListener = new TcpListener(loopExecutor.UnsafeLoop, flags);
// Apply the configuration right after the tcp handle is created
// because SO_REUSEPORT cannot be configured after bind
this.config.Apply();
this.tcpListener.Bind(address);
this.isBound = true;
this.tcpListener.Listen((TcpServerChannelUnsafe)this.Unsafe, this.config.Backlog);
this.CacheLocalAddress();
this.SetState(StateFlags.Active);
}
}
protected override void DoClose()
{
if (this.TryResetState(StateFlags.Open | StateFlags.Active))
{
this.tcpListener?.CloseHandle();
this.tcpListener = null;
}
}
static void SetReusePort(TcpListener listener, int value)
{
try
{
PlatformApi.SetReusePort(listener, value);
}
catch (ObjectDisposedException ex)
{
ThrowHelper.ThrowChannelException(ex);
}
catch (SocketException ex)
{
ThrowHelper.ThrowChannelException(ex);
}
}
static void SetReuseAddress(TcpListener listener, int value)
{
try
{
PlatformApi.SetReuseAddress(listener, value);
}
catch (ObjectDisposedException ex)
{
throw new ChannelException(ex);
}
catch (SocketException ex)
{
throw new ChannelException(ex);
}
}