mirror of
https://github.com/DarkMatterCore/nxdumptool.git
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61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
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/*
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* download_data_task.hpp
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*
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* Copyright (c) 2020-2024, DarkMatterCore <pabloacurielz@gmail.com>.
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*
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* This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool).
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*
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* nxdumptool is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* nxdumptool is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef __DOWNLOAD_DATA_TASK_HPP__
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#define __DOWNLOAD_DATA_TASK_HPP__
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#include "download_task.hpp"
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namespace nxdt::tasks
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{
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/* Used to hold a buffer + size pair with downloaded data. */
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typedef std::pair<char*, size_t> DownloadDataResult;
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/* Asynchronous task used to store downloaded data into a dynamically allocated buffer using a URL. */
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/* The buffer returned by std::pair::first() must be manually freed by the caller using free(). */
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class DownloadDataTask: public DownloadTask<DownloadDataResult, std::string, bool>
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{
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protected:
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/* Set class as non-copyable and non-moveable. */
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NON_COPYABLE(DownloadDataTask);
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NON_MOVEABLE(DownloadDataTask);
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/* Runs in the background thread. */
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DownloadDataResult DoInBackground(const std::string& url, const bool& force_https) override final
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{
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char *buf = nullptr;
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size_t buf_size = 0;
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/* If the process fails or if it's cancelled, httpDownloadData() will take care of freeing up the allocated memory and returning NULL. */
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buf = httpDownloadData(&buf_size, url.c_str(), force_https, DownloadDataTask::HttpProgressCallback, this);
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return std::make_pair(buf, buf_size);
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}
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public:
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DownloadDataTask() = default;
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};
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}
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#endif /* __DOWNLOAD_DATA_TASK_HPP__ */
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