import java.net.InetSocketAddress;
import java.nio.ByteBuffer;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
/**
* Test non-blocking accept() using ServerSocketChannel.
*/
public class MainClass {
public static final String GREETING = "Hello I must be going.\r\n";
public static void main(String[] argv) throws Exception {
int port = 1234; // default
ByteBuffer buffer = ByteBuffer.wrap(GREETING.getBytes());
ServerSocketChannel ssc = ServerSocketChannel.open();
ssc.socket().bind(new InetSocketAddress(port));
ssc.configureBlocking(false);
while (true) {
System.out.println("Waiting for connections");
SocketChannel sc = ssc.accept();
if (sc == null) {
Thread.sleep(2000);
} else {
System.out.println("Incoming connection from: " + sc.socket().getRemoteSocketAddress());
buffer.rewind();
sc.write(buffer);
sc.close();
}
}
}
}