@Override
public void initChannel(SocketChannel ch) throws Exception {
    ch.pipeline().addLast(
            new LoggingHandler(LogLevel.DEBUG),
            new SocksPortUnificationServerHandler(),
            SocksServerHandler.INSTANCE);
}
 

@Override
    public void initChannel(SocketChannel ch) throws Exception {
        ch.pipeline().addLast(
//                new LoggingHandler(LogLevel.INFO),
                new SocksPortUnificationServerHandler(),
                SocksServerHandler.INSTANCE);
    }
 

@Override
public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
    LOGGER.info("{} : handlerAdded", connectionInfo.toString(true));

    Socks5ServerEncoder socks5ServerEncoder = new Socks5ServerEncoder(Socks5AddressEncoder.DEFAULT);
    SocksPortUnificationServerHandler socksPortUnificationServerHandler = new SocksPortUnificationServerHandler(socks5ServerEncoder);
    ctx.pipeline().addBefore(ctx.name(), null, socksPortUnificationServerHandler);
}
 

@Override
protected void configure(Channel ch) throws Exception {
    ch.pipeline().addLast(new SocksPortUnificationServerHandler());
    ch.pipeline().addLast(DYNAMIC_HANDLER);
    ch.pipeline().addLast(new Socks4ProxyServerHandler());
    ch.pipeline().addLast(new Socks5ProxyServerHandler());
    ch.pipeline().addLast(new IntermediaryProxyServerHandler("socks"));
}