// When finished, invoker must ensure that selector is empty
// by cancelling any related keys and explicitly releasing
// the selector by invoking releaseTemporarySelector()
static Selector getTemporarySelector(SelectableChannel sc) throws IOException {
SoftReference ref = (SoftReference) localSelector.get();
SelectorWrapper selWrapper = null;
Selector sel = null;
if (ref == null
|| ((selWrapper = (SelectorWrapper) ref.get()) == null)
|| ((sel = selWrapper.get()) == null)
|| (sel.provider() != sc.provider())) {
sel = sc.provider().openSelector();
localSelector.set(new SoftReference(new SelectorWrapper(sel)));
} else {
localSelectorWrapper.set(selWrapper);
}
return sel;
}
public void bind(Selector selector, InetSocketAddress localPort) throws IOException {
close();
readBuffer.clear();
writeBuffer.clear();
try {
datagramChannel = selector.provider().openDatagramChannel();
datagramChannel.socket().bind(localPort);
datagramChannel.configureBlocking(false);
selectionKey = datagramChannel.register(selector, SelectionKey.OP_READ);
lastCommunicationTime = System.currentTimeMillis();
} catch (IOException ex) {
close();
throw ex;
}
}
public void testOpenSelector() throws IOException {
Selector selector = SystemUtils.openSelector();
assertNotNull(selector);
assertTrue(selector.isOpen());
if (SystemUtils.isLinuxPlatform()) {
final String pollClassName = selector.provider().getClass().getCanonicalName();
assertTrue(
pollClassName.equals("sun.nio.ch.EPollSelectorProvider")
|| pollClassName.equals("sun.nio.ch.PollSelectorProvider"));
}
Selector selector2 = SystemUtils.openSelector();
;
assertNotSame(selector, selector2);
selector.close();
selector2.close();
}
public void connect(Selector selector, InetSocketAddress remoteAddress) throws IOException {
close();
readBuffer.clear();
writeBuffer.clear();
try {
datagramChannel = selector.provider().openDatagramChannel();
datagramChannel.socket().bind(null);
datagramChannel.socket().connect(remoteAddress);
datagramChannel.configureBlocking(false);
selectionKey = datagramChannel.register(selector, SelectionKey.OP_READ);
lastCommunicationTime = System.currentTimeMillis();
connectedAddress = remoteAddress;
} catch (IOException ex) {
close();
IOException ioEx = new IOException("Unable to connect to: " + remoteAddress);
ioEx.initCause(ex);
throw ioEx;
}
}
public void connect(Selector selector, SocketAddress remoteAddress, int timeout)
throws IOException {
close();
writeBuffer.clear();
readBuffer.clear();
readBuffer.flip();
currentObjectLength = 0;
try {
SocketChannel socketChannel = selector.provider().openSocketChannel();
Socket socket = socketChannel.socket();
socket.setTcpNoDelay(true);
// socket.setTrafficClass(IPTOS_LOWDELAY);
socket.connect(remoteAddress, timeout); // Connect using blocking mode for simplicity.
socketChannel.configureBlocking(false);
this.socketChannel = socketChannel;
selectionKey = socketChannel.register(selector, SelectionKey.OP_READ);
selectionKey.attach(this);
if (DEBUG) {
debug(
"kryonet",
"Port "
+ socketChannel.socket().getLocalPort()
+ "/TCP connected to: "
+ socketChannel.socket().getRemoteSocketAddress());
}
lastReadTime = lastWriteTime = System.currentTimeMillis();
} catch (IOException ex) {
close();
IOException ioEx = new IOException("Unable to connect to: " + remoteAddress);
ioEx.initCause(ex);
throw ioEx;
}
}
