/**
* Will bind the DatagramSocket to the passed-in address. Every call bind will spawn a new thread
* using the that basically in turn
*/
private void bind(
final NioDatagramChannel channel,
final ChannelFuture future,
final InetSocketAddress address) {
boolean bound = false;
boolean started = false;
try {
// First bind the DatagramSocket the specified port.
channel.getDatagramChannel().socket().bind(address);
bound = true;
future.setSuccess();
fireChannelBound(channel, address);
channel.worker.register(channel, null);
started = true;
} catch (final Throwable t) {
future.setFailure(t);
fireExceptionCaught(channel, t);
} finally {
if (!started && bound) {
close(channel, future);
}
}
}
private void close(NioDatagramChannel channel, ChannelFuture future) {
try {
channel.getDatagramChannel().socket().close();
if (channel.setClosed()) {
future.setSuccess();
if (channel.isBound()) {
fireChannelUnbound(channel);
}
fireChannelClosed(channel);
} else {
future.setSuccess();
}
} catch (final Throwable t) {
future.setFailure(t);
fireExceptionCaught(channel, t);
}
}
private void connect(
NioDatagramChannel channel, ChannelFuture future, SocketAddress remoteAddress) {
boolean bound = channel.isBound();
boolean connected = false;
boolean workerStarted = false;
future.addListener(ChannelFutureListener.CLOSE_ON_FAILURE);
// Clear the cached address so that the next getRemoteAddress() call
// updates the cache.
channel.remoteAddress = null;
try {
channel.getDatagramChannel().connect(remoteAddress);
connected = true;
// Fire events.
future.setSuccess();
if (!bound) {
fireChannelBound(channel, channel.getLocalAddress());
}
fireChannelConnected(channel, channel.getRemoteAddress());
if (!bound) {
channel.worker.register(channel, future);
}
workerStarted = true;
} catch (Throwable t) {
future.setFailure(t);
fireExceptionCaught(channel, t);
} finally {
if (connected && !workerStarted) {
channel.worker.close(channel, future);
}
}
}