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87c1372744
The merge commit --------- Co-authored-by: shyamthyagarajan <shyammuralithyagarajan@gmail.com> Co-authored-by: Lundkvist <alundkvi@ndc.nasa.gov> Co-authored-by: lundkvistarn <lundkvistarn@live.se> Co-authored-by: Alexander Bock <mail@alexanderbock.eu> Co-authored-by: Emma Broman <emma.broman@liu.se> Co-authored-by: Alexander Bock <alexander.bock@liu.se>
108 lines
4.4 KiB
C++
108 lines
4.4 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2025 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_CORE___DYNAMICFILESEQUENCEDOWNLOADER___H__
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#define __OPENSPACE_CORE___DYNAMICFILESEQUENCEDOWNLOADER___H__
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#include <openspace/util/httprequest.h>
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#include <ghoul/logging/logmanager.h>
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#include <filesystem>
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#include <map>
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#include <memory>
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#include <queue>
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#include <string>
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#include <unordered_map>
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#include <vector>
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namespace openspace {
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struct File {
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std::unique_ptr<HttpFileDownload> download;
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std::string timestep;
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double time = 0.0;
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std::string URL;
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std::filesystem::path path;
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double cadence = 0.0;
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int availableIndex = -1;
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enum class State {
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Available,
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OnQueue,
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Downloading,
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Downloaded,
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Unknown
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};
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State state = State::Unknown;
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};
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class DynamicFileSequenceDownloader {
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public:
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DynamicFileSequenceDownloader(int dataID, const std::string& identifier,
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std::string infoUrl, std::string dataUrl, size_t nFilesToQueue);
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void deinitialize(bool cacheFiles);
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void requestDataInfo(std::string httpInfoRequest);
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void requestAvailableFiles(std::string httpDataRequest,
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std::filesystem::path syncDir);
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std::vector<File>::iterator closestFileToNow(double time);
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void update(double time, double deltaTime);
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const std::vector<std::filesystem::path>& downloadedFiles() const;
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void checkForFinishedDownloads();
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void clearDownloaded();
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const std::filesystem::path& destinationDirectory() const;
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bool areFilesCurrentlyDownloading() const;
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const std::vector<File*>& filesCurrentlyDownloading() const;
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private:
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void downloadFile();
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double calculateCadence() const;
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void putInQueue();
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bool _isForwardDirection = true;
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bool _isFirstFrame = true;
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bool _isSecondFrame = true;
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bool _hasNotifiedTooFast = false;
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std::filesystem::path _syncDir;
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std::filesystem::path _trackSynced;
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const int _dataID;
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const std::string _infoUrl;
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const std::string _dataUrl;
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double _dataMinTime = 0.0;
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double _dataMaxTime = 0.0;
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const size_t _nFilesToQueue = 0;
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std::vector<File>::iterator _currentFile;
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std::vector<File> _availableData;
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std::vector<File*> _queuedFilesToDownload;
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std::vector<File*> _filesCurrentlyDownloading;
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std::vector<std::filesystem::path> _downloadedFiles;
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};
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} // namespace openspace
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#endif // __OPENSPACE_CORE___DYNAMICFILESEQUENCEDOWNLOADER___H__
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