package UnitTest;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;

public class HexStringSenderBySocket {
    public static String IP = "10.10.21.18";
    public static int PORT = 8001;
    //# 开
    public static String open_hex_str = "16 00 34 F5 41 11 FE 82 0D 02 6D FF 00 00 00 00 00 00 01 00 00 01";
    //关
    public static String close_hex_str = "16 00 34 F5 41 11 FE 82 0D 02 6D FF 00 00 00 00 00 00 01 00 00 00";

    public static void KG() throws IOException, InterruptedException {
        for (int i = 1; ; i++) {
            Socket socket = new Socket(IP, PORT);
            String hex_str;
            if (i % 2 == 0) hex_str = close_hex_str;
            else hex_str = open_hex_str;
            byte[] bytes = hexStringToByteArray(hex_str);
            OutputStream os = socket.getOutputStream();
            os.write(bytes);

            InputStream in = socket.getInputStream();
            byte[] buffer = new byte[1024];
            int len = in.read(buffer);

            byte[] resp = new byte[len];
            System.arraycopy(buffer, 0, resp, 0, len);

            System.out.println("response: " + bytesToHexString(resp));

            socket.close();
            Thread.sleep(2000);
        }
    }

    public static void getSbList() throws IOException {
        String hex_str="08 00 34 F5 41 11 FE 81";
        Socket socket = new Socket(IP, PORT);
        byte[] bytes = hexStringToByteArray(hex_str);
        OutputStream os = socket.getOutputStream();
        os.write(bytes);

        InputStream in = socket.getInputStream();
        byte[] buffer = new byte[1024];
        int len = in.read(buffer);

        byte[] resp = new byte[len];
        System.arraycopy(buffer, 0, resp, 0, len);

        System.out.println("response: " + bytesToHexString(resp));

        socket.close();
    }
    public static void main(String[] args) throws IOException, InterruptedException {
        //KG();
        getSbList();
    }
    public static String bytesToHexString(byte[] bytes) {
        StringBuilder sb = new StringBuilder();
        for (byte b : bytes) {
            sb.append(String.format("%02X", b));
            sb.append(" ");
        }
        return sb.toString();
    }

    /**
     * 16进制表示的字符串转换为字节数组
     *
     * @param hexString 16进制表示的字符串
     * @return byte[] 字节数组
     */
    public static byte[] hexStringToByteArray(String hexString) {
        hexString = hexString.replaceAll(" ", "");
        int len = hexString.length();
        byte[] bytes = new byte[len / 2];
        for (int i = 0; i < len; i += 2) {
            // 两位一组，表示一个字节,把这样表示的16进制字符串，还原成一个字节
            bytes[i / 2] = (byte) ((Character.digit(hexString.charAt(i), 16) << 4) + Character
                    .digit(hexString.charAt(i + 1), 16));
        }
        return bytes;
    }

    /**
     * 将字节数组转换成十六进制的字符串
     *
     * @return
     */
    public static String BinaryToHexString(byte[] bytes) {
        String hexStr = "0123456789ABCDEF";
        String result = "";
        String hex = "";
        for (byte b : bytes) {
            hex = String.valueOf(hexStr.charAt((b & 0xF0) >> 4));
            hex += String.valueOf(hexStr.charAt(b & 0x0F));
            result += hex + " ";
        }
        return result;
    }
}