public boolean update(long timeDiff) {
if (channel != null) {
if (!channel.isOpen()) {}
}
ProtocolPackage pack;
while (!recvQueue.isEmpty()) {
pack = recvQueue.remove(0);
ProtocolRouter.getInstance().Trigger(pack.protocolId, pack, this);
}
return true;
}
private boolean writeMessage(AsynchronousSocketChannel worker, String message) {
boolean success = false;
byte[] databytes = message.getBytes();
ByteBuffer data = ByteBuffer.wrap(databytes);
if (worker.isOpen()) {
try {
worker.write(data).get();
success = true;
} catch (InterruptedException | ExecutionException e) {
data = null;
throw new RuntimeException("Interupted");
}
}
return success;
}
private boolean readMessage(AsynchronousSocketChannel socket) {
boolean success = false;
ByteBuffer readBuffer = ByteBuffer.allocate(4096);
if (socket.isOpen()) {
try {
socket.read(readBuffer).get();
} catch (InterruptedException | ExecutionException e) {
readBuffer = null;
throw new RuntimeException("Interupted");
}
byte[] data = readBuffer.array();
if (data != null && data.length > 0) {
processData(data);
success = true;
}
}
return success;
}
public static void main(String[] args) {
final int DEFAULT_PORT = 5555;
final String IP = "127.0.0.1";
// create asynchronous socket channel bound to the default group
try (AsynchronousSocketChannel asynchronousSocketChannel = AsynchronousSocketChannel.open()) {
if (asynchronousSocketChannel.isOpen()) {
// set some options
asynchronousSocketChannel.setOption(StandardSocketOptions.SO_RCVBUF, 128 * 1024);
asynchronousSocketChannel.setOption(StandardSocketOptions.SO_SNDBUF, 128 * 1024);
asynchronousSocketChannel.setOption(StandardSocketOptions.SO_KEEPALIVE, true);
// connect this channel's socket
asynchronousSocketChannel.connect(
new InetSocketAddress(IP, DEFAULT_PORT),
null,
new CompletionHandler<Void, Void>() {
final ByteBuffer helloBuffer = ByteBuffer.wrap("Hello !".getBytes());
final ByteBuffer buffer = ByteBuffer.allocateDirect(1024);
CharBuffer charBuffer = null;
ByteBuffer randomBuffer;
final Charset charset = Charset.defaultCharset();
final CharsetDecoder decoder = charset.newDecoder();
@Override
public void completed(Void result, Void attachment) {
try {
System.out.println(
"Successfully connected at: " + asynchronousSocketChannel.getRemoteAddress());
// transmitting data
asynchronousSocketChannel.write(helloBuffer).get();
while (asynchronousSocketChannel.read(buffer).get() != -1) {
buffer.flip();
charBuffer = decoder.decode(buffer);
System.out.println(charBuffer.toString());
if (buffer.hasRemaining()) {
buffer.compact();
} else {
buffer.clear();
}
int r = new Random().nextInt(100);
if (r == 50) {
System.out.println(
"50 was generated! Close the asynchronous socket channel!");
break;
} else {
randomBuffer =
ByteBuffer.wrap("Random number:".concat(String.valueOf(r)).getBytes());
asynchronousSocketChannel.write(randomBuffer).get();
}
}
} catch (IOException | InterruptedException | ExecutionException ex) {
System.err.println(ex);
} finally {
try {
asynchronousSocketChannel.close();
} catch (IOException ex) {
System.err.println(ex);
}
}
}
@Override
public void failed(Throwable exc, Void attachment) {
throw new UnsupportedOperationException("Connection cannot be established!");
}
});
System.in.read();
} else {
System.out.println("The asynchronous socket channel cannot be opened!");
}
} catch (IOException ex) {
System.err.println(ex);
}
}
public void startRecv() {
if (channel.isOpen()) {
readBuffer = BufferPool.getInstance().getBuffer();
channel.read(readBuffer, this, AIOSocketMgr.getInstance().getReadHandler());
}
}
