82 lines
2.9 KiB
C++
82 lines
2.9 KiB
C++
/*
|
|
* Copyright (C) 2021 Emeric Poupon
|
|
*
|
|
* This file is part of LMS.
|
|
*
|
|
* LMS 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* LMS 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 LMS. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <atomic>
|
|
#include <deque>
|
|
#include <string_view>
|
|
|
|
#include <Wt/Http/Client.h>
|
|
#include <boost/asio/io_context.hpp>
|
|
#include <boost/asio/io_context_strand.hpp>
|
|
#include <boost/asio/steady_timer.hpp>
|
|
|
|
#include "ClientRequest.hpp"
|
|
|
|
namespace lms::core::http
|
|
{
|
|
class SendQueue
|
|
{
|
|
public:
|
|
SendQueue(boost::asio::io_context& ioContext, std::string_view baseUrl);
|
|
~SendQueue();
|
|
|
|
SendQueue(const SendQueue&) = delete;
|
|
SendQueue(const SendQueue&&) = delete;
|
|
SendQueue& operator=(const SendQueue&) = delete;
|
|
SendQueue& operator=(const SendQueue&&) = delete;
|
|
|
|
void sendRequest(std::unique_ptr<ClientRequest> request);
|
|
void abortAllRequests();
|
|
|
|
private:
|
|
void sendNextQueuedRequest();
|
|
bool sendRequest(const ClientRequest& request);
|
|
void onClientBodyDataReceived(const std::string& data);
|
|
void onClientAborted(std::unique_ptr<ClientRequest> request);
|
|
void onClientDone(Wt::AsioWrapper::error_code ec, const Wt::Http::Message& msg);
|
|
void onClientDoneError(std::unique_ptr<ClientRequest> request, Wt::AsioWrapper::error_code ec);
|
|
void onClientDoneSuccess(std::unique_ptr<ClientRequest> request, const Wt::Http::Message& msg);
|
|
void throttle(std::chrono::seconds duration);
|
|
|
|
const std::size_t _maxRetryCount{ 2 };
|
|
const std::chrono::seconds _defaultRetryWaitDuration{ 30 };
|
|
const std::chrono::seconds _minRetryWaitDuration{ 1 };
|
|
const std::chrono::seconds _maxRetryWaitDuration{ 300 };
|
|
|
|
boost::asio::io_context& _ioContext;
|
|
boost::asio::io_context::strand _strand{ _ioContext }; // protect _state, _sendQueue and _currentRequest
|
|
boost::asio::steady_timer _throttleTimer{ _ioContext };
|
|
const std::string _baseUrl;
|
|
|
|
enum class State
|
|
{
|
|
Idle,
|
|
Throttled,
|
|
Sending,
|
|
};
|
|
void setState(State state);
|
|
std::atomic<bool> _abortAllRequests;
|
|
State _state;
|
|
Wt::Http::Client _client;
|
|
std::map<ClientRequestParameters::Priority, std::deque<std::unique_ptr<ClientRequest>>> _sendQueue;
|
|
std::unique_ptr<ClientRequest> _currentRequest;
|
|
};
|
|
} // namespace lms::core::http
|