melsec_test.cpp

#define ASIO_STANDALONE
#include <iostream>
#include <asio.hpp>

//16進数アスキーを数値に変換
char hex2char(char h)
{
    if (h >= '0' && h <= '9')
        return h - '0';
    else if (h >= 'A' && h <= 'F')
        return h - 'A' + 10;
    else if (h >= 'a' && h <= 'f')
        return h - 'a' + 10;
    return 0;
}

//0から15までの数値をアスキーに変換
char char2hex(char h)
{
    if (h >= 0 && h <= 9)
        return h + '0';
    else if (h >= 10 && h <= 15)
        return h - 10 + 'A';

    return 0;
}

int main()
{
    try
    {
        // 送信コマンド
        std::string cmd = "500000FFFF03000C001000010400002C0100A80300";
        std::cout << "send: " << cmd << std::endl;

        // 送信コマンドをバイナリデータへ変換
        std::array<unsigned char, 128> send_buf;

        int cnt;
        for (size_t i = 0; i < cmd.size(); i += 2)
        {
            cnt = i / 2;
            send_buf[cnt] = (hex2char(cmd[i]) << 4) + hex2char(cmd[i + 1]);
            ;
        }
        int send_buf_len = cnt + 1;

        // UDP送信
        std::string const host = "192.168.0.10";
        short const port = 1025;
        asio::io_context context;
        asio::ip::udp::endpoint endpoint(
            asio::ip::address::from_string(host), port);
        asio::ip::udp::socket socket(context);
        socket.open(asio::ip::udp::v4());
        socket.send_to(asio::buffer(send_buf, send_buf_len), endpoint);

        // UDP受信
        std::array<unsigned char, 128> recv_buf;
        asio::ip::udp::endpoint sender_endpoint;

        size_t recv_buf_len = socket.receive_from(
            asio::buffer(recv_buf), sender_endpoint);

        // 受信バイナリデータを文字列に変換
        std::string result = "";
        for (size_t i = 0; i < recv_buf_len; i++)
        {
            result += char2hex((recv_buf[i] >> 4) & 0xf);
            result += char2hex(recv_buf[i] & 0xf);
        }

        std::cout << "rev : " << result << std::endl;
    }
    catch (const std::exception &e)
    {
        std::cerr << "exception: " << e.what() << std::endl;
    }

    return 0;
}

melsec_test_TCP.cpp

#define ASIO_STANDALONE
#include <iostream>
#include <asio.hpp>

//16進数アスキーを数値に変換
char hex2char(char h)
{
    if (h >= '0' && h <= '9')
        return h - '0';
    else if (h >= 'A' && h <= 'F')
        return h - 'A' + 10;
    else if (h >= 'a' && h <= 'f')
        return h - 'a' + 10;
    return 0;
}

//0から15までの数値をアスキーに変換
char char2hex(char h)
{
    if (h >= 0 && h <= 9)
        return h + '0';
    else if (h >= 10 && h <= 15)
        return h - 10 + 'A';

    return 0;
}

int main()
{
    try
    {
        // 送信コマンド
        std::string cmd = "500000FFFF03000C001000010400002C0100A80300";
        std::cout << "send: " << cmd << std::endl;

        // 送信コマンドをバイナリデータへ変換
        std::array<unsigned char, 128> send_buf;

        int cnt;
        for (size_t i = 0; i < cmd.size(); i += 2)
        {
            cnt = i / 2;
            send_buf[cnt] = (hex2char(cmd[i]) << 4) + hex2char(cmd[i + 1]);
            ;
        }
        int send_buf_len = cnt + 1;

        // TCP送信
        std::string const host = "192.168.0.10";
        short const port = 1026;
        asio::io_context context;
        asio::ip::tcp::endpoint endpoint(asio::ip::address::from_string(host), port);
        asio::ip::tcp::socket socket(context);
        asio::connect(socket,&endpoint);
        socket.write_some(asio::buffer(send_buf, send_buf_len));

        // TCP受信
        std::array<unsigned char, 128> recv_buf;
        asio::ip::udp::endpoint sender_endpoint;

        size_t recv_buf_len = socket.read_some(
            asio::buffer(recv_buf,recv_buf.size()));

        // 受信バイナリデータを文字列に変換
        std::string result = "";
        for (size_t i = 0; i < recv_buf_len; i++)
        {
            result += char2hex((recv_buf[i] >> 4) & 0xf);
            result += char2hex(recv_buf[i] & 0xf);
        }

        std::cout << "rev : " << result << std::endl;
    }
    catch (const std::exception &e)
    {
        std::cerr << "exception: " << e.what() << std::endl;
    }

    return 0;
}