App.hpp

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// The Reactive C++ Toolbox.
// Copyright (C) 2013-2019 Swirly Cloud Limited
// Copyright (C) 2022 Reactive Markets Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#ifndef TOOLBOX_HTTP_APP_HPP
#define TOOLBOX_HTTP_APP_HPP
 
#include <toolbox/http/Conn.hpp>
 
namespace toolbox {
inline namespace http {
 
class OStream;
class Request;
 
class TOOLBOX_API App {
  public:
    using Protocol = StreamProtocol;
    using Endpoint = StreamEndpoint;
 
    App() noexcept = default;
    virtual ~App();
 
    // Copy.
    constexpr App(const App&) noexcept = default;
    App& operator=(const App&) noexcept = default;
 
    // Move.
    constexpr App(App&&) noexcept = default;
    App& operator=(App&&) noexcept = default;
 
    void on_http_connect(CyclTime now, const Endpoint& ep) { do_on_http_connect(now, ep); }
    void on_http_disconnect(CyclTime now, const Endpoint& ep) noexcept
    {
        do_on_http_disconnect(now, ep);
    }
    void on_http_error(CyclTime now, const Endpoint& ep, const std::exception& e,
                       OStream& os) noexcept
    {
        do_on_http_error(now, ep, e, os);
    }
    void on_http_message(CyclTime now, const Endpoint& ep, const Request& req, OStream& os)
    {
        do_on_http_message(now, ep, req, os);
    }
    void on_http_timeout(CyclTime now, const Endpoint& ep) noexcept { do_on_http_timeout(now, ep); }
 
  protected:
    virtual void do_on_http_connect(CyclTime now, const Endpoint& ep) = 0;
    virtual void do_on_http_disconnect(CyclTime now, const Endpoint& ep) noexcept = 0;
    virtual void do_on_http_error(CyclTime now, const Endpoint& ep, const std::exception& e,
                                  OStream& os) noexcept
        = 0;
    virtual void do_on_http_message(CyclTime now, const Endpoint& ep, const Request& req,
                                    OStream& os)
        = 0;
    virtual void do_on_http_timeout(CyclTime now, const Endpoint& ep) noexcept = 0;
};
 
} // namespace http
} // namespace toolbox
 
#endif // TOOLBOX_HTTP_APP_HPP