public class NettyOioServer {
public void server(int port) throws Exception {
final ByteBuf buf = Unpooled.unreleasableBuffer(
Unpooled.copiedBuffer("Hi!\r\n", Charset.forName("UTF-8")));
EventLoopGroup group = new OioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(group)
.channel(OioServerSocketChannel.class)
.localAddress(new InetSocketAddress(port))
.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch)
throws Exception {
ch.pipeline().addLast(new ChannelInboundHandlerAdapter() {
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
ctx.write(buf.duplicate()).addListener(ChannelFutureListener.CLOSE);
}
});
}
});
ChannelFuture f = b.bind().sync();
f.channel().closeFuture().sync();
} finally {
group.shutdownGracefully().sync();
}
}