wsa_guard.hpp

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#pragma once
#ifndef _TIME_SHIELD_WSA_GUARD_HPP_INCLUDED
#define _TIME_SHIELD_WSA_GUARD_HPP_INCLUDED

 
#include <winsock2.h>  // Must be included before windows.h
#include <windows.h>   // (optional, but safe if later needed)
#include <mutex>
#include <string>
 
namespace time_shield {

    class WsaGuard {
    public:
        static const WsaGuard& instance() {
            static WsaGuard instance;
            return instance;
        }

        bool success() const noexcept {
            return m_ret_code == 0;
        }

        int ret_code() const noexcept {
            return m_ret_code;
        }

        const WSADATA& data() const noexcept {
            return m_wsa_data;
        }
 
    private:
        WsaGuard() {
            m_ret_code = WSAStartup(MAKEWORD(2, 2), &m_wsa_data);
        }
 
        ~WsaGuard() = default;
 
        WsaGuard(const WsaGuard&) = delete;
        WsaGuard& operator=(const WsaGuard&) = delete;
 
        WSADATA m_wsa_data{};
        int     m_ret_code = -1;
    };
 
} // namespace time_shield
 
#endif // _TIME_SHIELD_WSA_GUARD_HPP_INCLUDED