MulticastSender.h

Go to the documentation of this file.

// This file is part of CoreLibrary containing useful reusable utility
// classes.
//
// Copyright (C) 2014 to present, Duncan Crutchley
// Contact <dac1976github@outlook.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License and GNU Lesser General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// and GNU Lesser General Public License along with this program. If
// not, see <http://www.gnu.org/licenses/>.

#ifndef MULTICASTSENDER
#define MULTICASTSENDER

#include "IoContextThreadGroup.h"

namespace core_lib
{
namespace asio
{
namespace udp
{

class CORE_LIBRARY_DLL_SHARED_API MulticastSender final
{
public:
    MulticastSender() = delete;
    MulticastSender(boost_iocontext_t& ioContext, const defs::connection_t& multicastConnection,
                    const std::string& interfaceAddress = "", bool enableLoopback = true,
                    eMulticastTTL ttl            = eMulticastTTL::sameSubnet,
                    size_t        sendBufferSize = DEFAULT_UDP_BUF_SIZE);
    explicit MulticastSender(const defs::connection_t& multicastConnection,
                             const std::string& interfaceAddress = "", bool enableLoopback = true,
                             eMulticastTTL ttl            = eMulticastTTL::sameSubnet,
                             size_t        sendBufferSize = DEFAULT_UDP_BUF_SIZE);

    MulticastSender(const MulticastSender&) = delete;
    MulticastSender& operator=(const MulticastSender&) = delete;
    MulticastSender(MulticastSender&&) = delete;
    MulticastSender& operator=(MulticastSender&&) = delete;
    ~MulticastSender() = default;
    defs::connection_t MulticastConnection() const;
    std::string InterfaceAddress() const;
    bool SendMessage(const defs::char_buffer_t& message);

private:
    void CreateMulticastSocket(bool enableLoopback, eMulticastTTL ttl, size_t sendBufferSize);
    bool SyncSendTo(const defs::char_buffer_t& message);

private:
    std::unique_ptr<IoContextThreadGroup> m_ioThreadGroup{};
    defs::connection_t m_multicastConnection{};
    std::string m_interfaceAddress{};
    boost_udp_t::endpoint m_multicastEndpoint{};
    boost_udp_t::socket m_socket;
};

} // namespace udp
} // namespace asio
} // namespace core_lib

#endif // MULTICASTSENDER