private MapEntry put(SelectionKeyImpl ski)
{
MapEntry mapEntry = new MapEntry(ski);
Add(((SelChImpl)ski.channel()).getFDVal(), mapEntry);
return(mapEntry);
}
private MapEntry remove(SelectionKeyImpl ski)
{
int fd = ((SelChImpl)ski.channel()).getFDVal();
MapEntry x = get(fd);
if ((x != null) && (x.ski.channel() == ski.channel()))
{
Remove(fd);
return(x);
}
return(null);
}
protected override void implRegister(SelectionKeyImpl ski)
{
lock (closeLock)
{
// if (pollWrapper == null)
// throw new ClosedSelectorException();
growIfNeeded();
channelArray[totalChannels] = ski;
ski.setIndex(totalChannels);
// fdMap.put(ski);
keys.Add(ski);
// pollWrapper.addEntry(totalChannels, ski);
totalChannels++;
}
}
public override SelectionKey register(AbstractSelectableChannel ch, Object attachment)
{
if (!(ch is SelChImpl))
{
throw new IllegalSelectorException();
}
SelectionKeyImpl k = new SelectionKeyImpl((SelChImpl)ch, this);
k.attach(attachment);
lock (publicKeys)
{
implRegister(k);
}
return(k);
}
private void growIfNeeded()
{
if (channelArray.Length == totalChannels)
{
int newSize = totalChannels * 2; // Make a larger array
SelectionKeyImpl[] temp = new SelectionKeyImpl[newSize];
Array.Copy(channelArray, 1, temp, 1, totalChannels - 1);
channelArray = temp;
// pollWrapper.grow(newSize);
}
if (totalChannels % MAX_SELECTABLE_FDS == 0)
{ // more threads needed
// pollWrapper.addWakeupSocket(wakeupSourceFd, totalChannels);
totalChannels++;
// threadsCount++;
}
}
protected override void implDereg(SelectionKeyImpl ski)
{
int i = ski.getIndex();
if (i < 0)
{
throw new Exception();
}
lock (closeLock)
{
if (i != totalChannels - 1)
{
// Copy end one over it
SelectionKeyImpl endChannel = channelArray[totalChannels - 1];
channelArray[i] = endChannel;
endChannel.setIndex(i);
// pollWrapper.replaceEntry(pollWrapper, totalChannels - 1, pollWrapper, i);
}
ski.setIndex(-1);
}
channelArray[totalChannels - 1] = null;
totalChannels--;
if (totalChannels != 1 && totalChannels % MAX_SELECTABLE_FDS == 1)
{
totalChannels--;
// threadsCount--; // The last thread has become redundant.
}
// fdMap.remove(ski); // Remove the key from fdMap, keys and selectedKeys
keys.Remove(ski);
selectedKeys.Remove(ski);
deregister(ski);
SelectableChannel selch = ski.channel();
// if (!selch.isOpen() && !selch.isRegistered())
// ((SelChImpl)selch).kill();
}
protected abstract void implDereg(SelectionKeyImpl ski);
protected abstract void implRegister(SelectionKeyImpl ski);
public MapEntry(SelectionKeyImpl ski)
{
this.ski = ski;
}
public void deRegister(SelectionKeyImpl ski)
{
implDereg(ski);
}