protected void createWriteBuffer(ByteBuffer buf) {
if (_primaryWriteBuffer == null) {
_primaryWriteBuffer = _selectorThread.getPooledBuffer();
_primaryWriteBuffer.put(buf);
} else {
ByteBuffer temp = _selectorThread.getPooledBuffer();
temp.put(buf);
int remaining = temp.remaining();
_primaryWriteBuffer.flip();
int limit = _primaryWriteBuffer.limit();
if (remaining >= _primaryWriteBuffer.remaining()) {
temp.put(_primaryWriteBuffer);
_selectorThread.recycleBuffer(_primaryWriteBuffer);
_primaryWriteBuffer = temp;
} else {
_primaryWriteBuffer.limit(remaining);
temp.put(_primaryWriteBuffer);
_primaryWriteBuffer.limit(limit);
_primaryWriteBuffer.compact();
_secondaryWriteBuffer = _primaryWriteBuffer;
_primaryWriteBuffer = temp;
}
}
}
protected void releaseBuffers() {
if (_primaryWriteBuffer != null) {
_selectorThread.recycleBuffer(_primaryWriteBuffer);
_primaryWriteBuffer = null;
if (_secondaryWriteBuffer != null) {
_selectorThread.recycleBuffer(_secondaryWriteBuffer);
_secondaryWriteBuffer = null;
}
}
if (_readBuffer != null) {
_selectorThread.recycleBuffer(_readBuffer);
_readBuffer = null;
}
}
public void testDownload() throws IOException, InstantiationException {
final SelectorThread st = newThread();
try {
st.setAdapter(new StaticResourcesAdapter(tmp.getAbsolutePath()));
st.listen();
File file = File.createTempFile("downloaded-largeFile", ".jar", tmp);
file.deleteOnExit();
download(String.format("http://localhost:%s/%s", PORT, base.getName()), file);
Assert.assertEquals("Files should be same size", base.length(), file.length());
} finally {
SelectorThreadUtils.stopSelectorThread(st);
}
}
protected void movePendingWriteBufferTo(ByteBuffer dest) {
_primaryWriteBuffer.flip();
dest.put(_primaryWriteBuffer);
_selectorThread.recycleBuffer(_primaryWriteBuffer);
_primaryWriteBuffer = _secondaryWriteBuffer;
_secondaryWriteBuffer = null;
}
public MMOConnection(SelectorThread<T> selectorThread, Socket socket, SelectionKey key) {
_selectorThread = selectorThread;
_selectionKey = key;
_socket = socket;
_writableByteChannel = socket.getChannel();
_readableByteChannel = socket.getChannel();
_sendQueue = new ArrayDeque<SendablePacket<T>>();
_recvQueue = new MMOExecutableQueue<T>(selectorThread.getExecutor());
}
/**
* Enqueues bytes to the write queue of this handler and notifies the SelectorThread that it wants
* to write.
*
* @param bytes the data to write
*/
public void write(byte[] bytes) {
try {
getWriteQueue().add(ByteBuffer.wrap(bytes));
SelectorThread.getInstance()
.interestOps(selectionKey, selectionKey.interestOps() | SelectionKey.OP_WRITE);
} catch (CancelledKeyException e) {
close();
}
}
private SelectorThread newThread() {
SelectorThread st =
new SelectorThread() {
@Override
public void listen() throws IOException, InstantiationException {
initEndpoint();
final CountDownLatch latch = new CountDownLatch(1);
controller.addStateListener(
new ControllerStateListenerAdapter() {
@Override
public void onReady() {
enableMonitoring();
latch.countDown();
}
@Override
public void onException(Throwable e) {
if (latch.getCount() > 0) {
logger().log(Level.SEVERE, "Exception during starting the controller", e);
latch.countDown();
} else {
logger().log(Level.SEVERE, "Exception during " + "controller processing", e);
}
}
});
start();
try {
latch.await();
} catch (InterruptedException ex) {
}
if (!controller.isStarted()) {
throw new IllegalStateException("Controller is not started!");
}
}
};
st.setPort(PORT);
st.setKeepAliveTimeoutInSeconds(10);
return st;
}
/**
* Starts a non-blocking connection attempt.
*
* @throws IOException
*/
public void connect() throws IOException {
sc = SocketChannel.open();
// Very important. Set to non-blocking. Otherwise a call
// to connect will block until the connection attempt fails
// or succeeds.
sc.configureBlocking(false);
sc.connect(remoteAddress);
// Registers itself to receive the connect event.
selectorThread.registerChannelLater(
sc,
SelectionKey.OP_CONNECT,
this,
new CallbackErrorHandler() {
public void handleError(Exception ex) {
listener.connectionFailed(Connector.this, ex);
}
});
}
/**
* Will connect this handler to an address.
*
* <p>Use EITHER this method or setSelectionKey, not both.
*
* @param a the address to connect to
*/
@SuppressWarnings("unchecked")
protected NetworkEventHandler connect(SocketAddress address) throws ConnectException {
try {
remoteAddress = address;
SocketChannel newSocket = SocketChannel.open(address);
newSocket.socket().setKeepAlive(true);
newSocket.configureBlocking(false);
Future<SelectionKey> futureKey = SelectorThread.getInstance().register(newSocket);
selectionKey = futureKey.get();
server.getHandlerByAddress().put(address, this);
selectionKey.attach(this);
return this;
} catch (ConnectException e) {
throw e;
} catch (ClosedByInterruptException e) {
throw new ConnectException("" + e);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
