SocketContextUpgradeFactory.h

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/*
 * SNode.C - a slim toolkit for network communication
 * Copyright (C) Volker Christian <me@vchrist.at>
 *               2020, 2021, 2022, 2023, 2024, 2025
 *
 * 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef WEB_HTTP_SOCKETCONTEXTUPGRADEFACTORY_H
#define WEB_HTTP_SOCKETCONTEXTUPGRADEFACTORY_H
 
#include "core/socket/stream/SocketContextFactory.h"
 
namespace core::socket::stream {
    class SocketConnection;
    namespace stream {
        class SocketContext;
    }
} // namespace core::socket::stream
 
namespace web::http {
    template <typename RequestT, typename ResponseT>
    class SocketContextUpgrade;
} // namespace web::http
 
#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
#include <string>
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
 
namespace web::http {
 
    template <typename RequestT, typename ResponseT>
    class SocketContextUpgradeFactory : public core::socket::stream::SocketContextFactory {
    public:
        using Request = RequestT;
        using Response = ResponseT;
 
    protected:
        SocketContextUpgradeFactory() = default;
        ~SocketContextUpgradeFactory() override = default;
 
    public:
        virtual std::string name() = 0;
 
    protected:
        std::size_t refCount = 0;
 
        void prepare(Request& request, Response& response);
 
    private:
        virtual SocketContextUpgrade<Request, Response>*
        create(core::socket::stream::SocketConnection* socketConnection, Request* request, Response* response) = 0;
        core::socket::stream::SocketContext* create(core::socket::stream::SocketConnection* socketConnection) final;
 
        void incRefCount();
        void decRefCount();
 
        virtual void checkRefCount() = 0;
 
        Request* request = nullptr;
        Response* response = nullptr;
 
        friend Response;
        friend Request;
        friend class SocketContextUpgrade<Request, Response>;
    };
 
} // namespace web::http
 
#endif // WEB_HTTP_SOCKETCONTEXTUPGRADEFACTORY_H