internal override Socket registerForSelection(Selector selector)
{
selector.Add(channel, Selector.Direction.READ);
return channel;
}
internal virtual Socket registerForSelection(Selector selector,
bool allowInput, bool allowOutput)
{
Selector.Direction operations = Selector.Direction.NONE;
if (allowInput)
{
operations |= Selector.Direction.READ;
}
// do not register for output if there is nothing to write
bool hasSomeOutgoingFrames =
channelWriter.hasSomeOutgoingFrames();
if (allowOutput && hasSomeOutgoingFrames)
{
operations |= Selector.Direction.WRITE;
}
Socket key = null;
if (operations != 0)
{
try
{
key = connection.register(selector, operations);
}
//TODO replace with proper exception
catch
//catch (ClosedChannelException ex)
{
// ignore, will never happen
}
}
return key;
}
internal virtual Socket register(Selector selector,
Selector.Direction operations)
{
if (connectedChannel != null)
{
selector.Add(connectedChannel, operations);
return connectedChannel;
}
else
{
selector.Add(datagramChannel, operations);
return datagramChannel;
}
}
private void openSelector()
{
try
{
lock (this)
{
selector = new Selector();
// Selector.open();
if (stopRequest)
{
selector.Wakeup();
}
}
}
catch (SocketException)
{
// ignore
}
}
private void closeSelector()
{
try
{
lock (this)
{
//foreach (Socket key in selector.keys())
//{
// key.cancel();
//}
// selector.SelectNow();
selector.Close();
selector = null;
}
}
catch (SocketException)
{
// ignore, will never happen
}
}
// to be defined by concrete listener internal abstract Socket registerForSelection(Selector selector);