SocketConnectionInitializer.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 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 for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef TRINITYCORE_SOCKET_CONNECTION_INITIALIZER_H
#define TRINITYCORE_SOCKET_CONNECTION_INITIALIZER_H
 
#include <memory>
#include <span>
 
namespace Trinity::Net
{
struct SocketConnectionInitializer : public std::enable_shared_from_this<SocketConnectionInitializer>
{
    SocketConnectionInitializer() = default;
 
    SocketConnectionInitializer(SocketConnectionInitializer const&) = delete;
    SocketConnectionInitializer(SocketConnectionInitializer&&) noexcept = default;
    SocketConnectionInitializer& operator=(SocketConnectionInitializer const&) = delete;
    SocketConnectionInitializer& operator=(SocketConnectionInitializer&&) noexcept = default;
 
    virtual ~SocketConnectionInitializer() = default;
 
    virtual void Start() = 0;
 
    std::shared_ptr<SocketConnectionInitializer> next;
 
    static std::shared_ptr<SocketConnectionInitializer>& SetupChain(std::span<std::shared_ptr<SocketConnectionInitializer>> initializers)
    {
        for (std::size_t i = initializers.size(); i > 1; --i)
            initializers[i - 2]->next.swap(initializers[i - 1]);
 
        return initializers[0];
    }
};
}
 
#endif // TRINITYCORE_SOCKET_CONNECTION_INITIALIZER_H