121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
/*
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* Copyright (C) 2013 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS 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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* LMS 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 LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <chrono>
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#include <shared_mutex>
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#include <optional>
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#include <vector>
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#include <Wt/WDateTime.h>
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#include <Wt/WIOService.h>
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#include <Wt/WSignal.h>
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#include <boost/asio/system_timer.hpp>
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#include "services/database/Types.hpp"
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#include "services/database/ScanSettings.hpp"
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#include "services/database/Session.hpp"
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#include "metadata/IParser.hpp"
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#include "services/scanner/IScannerService.hpp"
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#include "utils/Path.hpp"
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class UUID;
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namespace Recommendation
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{
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class IRecommendationService;
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}
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namespace Scanner
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{
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class ScannerService : public IScannerService
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{
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public:
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ScannerService(Database::Db& db, Recommendation::IRecommendationService& recommendationService);
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~ScannerService();
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ScannerService(const ScannerService&) = delete;
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ScannerService(ScannerService&&) = delete;
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ScannerService& operator=(const ScannerService&) = delete;
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ScannerService& operator=(ScannerService&&) = delete;
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void requestReload() override;
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void requestImmediateScan(bool force) override;
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Status getStatus() const override;
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Events& getEvents() override { return _events; }
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private:
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void start();
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void stop();
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// Job handling
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void scheduleNextScan();
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void scheduleScan(bool force, const Wt::WDateTime& dateTime = {});
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void abortScan();
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// Update database (scheduled callback)
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void scan(bool force);
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void scanMediaDirectory( const std::filesystem::path& mediaDirectory, bool forceScan, ScanStats& stats);
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// Helpers
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void refreshScanSettings();
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void countAllFiles(ScanStats& stats);
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void removeMissingTracks(ScanStats& stats);
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void removeOrphanEntries();
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void checkDuplicatedAudioFiles(ScanStats& stats);
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void scanAudioFile(const std::filesystem::path& file, bool forceScan, ScanStats& stats);
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void notifyInProgressIfNeeded(const ScanStepStats& stats);
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void notifyInProgress(const ScanStepStats& stats);
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void reloadSimilarityEngine(ScanStats& stats);
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Recommendation::IRecommendationService& _recommendationService;
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std::mutex _controlMutex;
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std::atomic<bool> _abortScan {};
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Wt::WIOService _ioService;
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boost::asio::system_timer _scheduleTimer {_ioService};
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const bool _skipDuplicateRecordingMBID {};
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Events _events;
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std::chrono::system_clock::time_point _lastScanInProgressEmit {};
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Database::Session _dbSession;
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std::unique_ptr<MetaData::IParser> _metadataParser;
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mutable std::shared_mutex _statusMutex;
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State _curState {State::NotScheduled};
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std::optional<ScanStats> _lastCompleteScanStats;
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std::optional<ScanStepStats> _currentScanStepStats;
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Wt::WDateTime _nextScheduledScan;
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// Current scan settings
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std::size_t _scanVersion {};
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Wt::WTime _startTime;
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Database::ScanSettings::UpdatePeriod _updatePeriod {Database::ScanSettings::UpdatePeriod::Never};
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std::vector<std::filesystem::path> _fileExtensions;
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std::filesystem::path _mediaDirectory;
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Database::ScanSettings::RecommendationEngineType _recommendationServiceType;
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};
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} // Scanner
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