/**
* See {@link ThreadPoolExecutor#shutdownNow()} for how it handles the shutdown. If <code>true
* </code> is given to this method it also notifies all {@link ChannelFuture}'s of the not
* executed {@link ChannelEventRunnable}'s.
*
* <p>Be aware that if you call this with <code>false</code> you will need to handle the
* notification of the {@link ChannelFuture}'s by your self. So only use this if you really have a
* use-case for it.
*/
public List<Runnable> shutdownNow(boolean notify) {
if (!notify) {
return super.shutdownNow();
}
Throwable cause = null;
Set<Channel> channels = null;
List<Runnable> tasks = super.shutdownNow();
// loop over all tasks and cancel the ChannelFuture of the ChannelEventRunable's
for (Runnable task : tasks) {
if (task instanceof ChannelEventRunnable) {
if (cause == null) {
cause = new IOException("Unable to process queued event");
}
ChannelEvent event = ((ChannelEventRunnable) task).getEvent();
event.getFuture().setFailure(cause);
if (channels == null) {
channels = new HashSet<Channel>();
}
// store the Channel of the event for later notification of the exceptionCaught event
channels.add(event.getChannel());
}
}
// loop over all channels and fire an exceptionCaught event
if (channels != null) {
for (Channel channel : channels) {
Channels.fireExceptionCaughtLater(channel, cause);
}
}
return tasks;
}
void disconnect(NioDatagramChannel channel, ChannelFuture future) {
boolean connected = channel.isConnected();
boolean iothread = isIoThread();
try {
channel.getJdkChannel().disconnectSocket();
future.setSuccess();
if (connected) {
if (iothread) {
fireChannelDisconnected(channel);
} else {
fireChannelDisconnectedLater(channel);
}
}
} catch (Throwable t) {
future.setFailure(t);
if (iothread) {
fireExceptionCaught(channel, t);
} else {
fireExceptionCaughtLater(channel, t);
}
}
}