void register(SctpChannelImpl channel, ChannelFuture future) {
boolean server = !(channel instanceof SctpClientChannel);
Runnable registerTask = new RegisterTask(channel, future, server);
notificationHandler = new SctpNotificationHandler(channel);
Selector selector;
synchronized (startStopLock) {
if (!started) {
// Open a selector if this worker didn't start yet.
try {
this.selector = selector = Selector.open();
} catch (Throwable t) {
throw new ChannelException("Failed to create a selector.", t);
}
// Start the worker thread with the new Selector.
boolean success = false;
try {
DeadLockProofWorker.start(executor, this);
success = true;
} finally {
if (!success) {
// Release the Selector if the execution fails.
try {
selector.close();
} catch (Throwable t) {
if (logger.isWarnEnabled()) {
logger.warn("Failed to close a selector.", t);
}
}
this.selector = selector = null;
// The method will return to the caller at this point.
}
}
} else {
// Use the existing selector if this worker has been started.
selector = this.selector;
}
assert selector != null && selector.isOpen();
started = true;
boolean offered = registerTaskQueue.offer(registerTask);
assert offered;
}
if (wakenUp.compareAndSet(false, true)) {
selector.wakeup();
}
}
private void bind(
SctpServerChannelImpl channel, ChannelFuture future, SocketAddress localAddress) {
boolean bound = false;
boolean bossStarted = false;
try {
channel.serverChannel.bind(localAddress, channel.getConfig().getBacklog());
bound = true;
channel.setBound();
future.setSuccess();
fireChannelBound(channel, channel.getLocalAddress());
Executor bossExecutor = ((SctpServerSocketChannelFactory) channel.getFactory()).bossExecutor;
DeadLockProofWorker.start(bossExecutor, new Boss(channel));
bossStarted = true;
} catch (Throwable t) {
future.setFailure(t);
fireExceptionCaught(channel, t);
} finally {
if (!bossStarted && bound) {
close(channel, future);
}
}
}