UDPSender.hpp

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/*
 * Copyright (C) 2017-2018  Christian Berger
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#ifndef CLUON_UDPSENDER_HPP
#define CLUON_UDPSENDER_HPP

#include "cluon/cluon.hpp"

// clang-format off
#ifdef WIN32
    #include <Winsock2.h> // for WSAStartUp
    #include <ws2tcpip.h> // for SOCKET
#else
    #include <netinet/in.h>
#endif
// clang-format on

#include <cstdint>
#include <mutex>
#include <string>
#include <utility>

namespace cluon {
class LIBCLUON_API UDPSender {
   private:
    UDPSender(const UDPSender &) = delete;
    UDPSender(UDPSender &&)      = delete;
    UDPSender &operator=(const UDPSender &) = delete;
    UDPSender &operator=(UDPSender &&) = delete;

   public:
    UDPSender(const std::string &sendToAddress, uint16_t sendToPort) noexcept;
    ~UDPSender() noexcept;

    std::pair<ssize_t, int32_t> send(std::string &&data) const noexcept;

   public:
    uint16_t getSendFromPort() const noexcept;

   private:
    mutable std::mutex m_socketMutex{};
    int32_t m_socket{-1};
    uint16_t m_portToSentFrom{0};
    struct sockaddr_in m_sendToAddress {};
};
} // namespace cluon

#endif