Method sendResponse

src/main/java/org/example/Socks5Server.java:253–263

(SocketChannel channel, byte status)

    }

    private void sendResponse(SocketChannel channel, byte status) throws IOException {
        ByteBuffer response = ByteBuffer.allocate(10);
        response.put(SOCKS_VERSION);
        response.put(status);
        response.put((byte) 0x00); // 保留字节
        response.put(IPV4_ADDRESS);
        response.put(new byte[]{0, 0, 0, 0}); // 绑定地址
        response.putShort((short) 0); // 绑定端口
        response.flip();
        writeFully(channel, response);
    }

    private void readFully(SocketChannel channel, ByteBuffer buffer) throws IOException {
        while (buffer.hasRemaining()) {