99 lines
2.9 KiB
C++
99 lines
2.9 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 <optional>
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#include <shared_mutex>
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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 "IScanStep.hpp"
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#include "ScannerSettings.hpp"
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#include "core/Path.hpp"
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#include "database/Db.hpp"
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#include "database/Session.hpp"
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#include "database/Types.hpp"
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#include "services/scanner/IScannerService.hpp"
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namespace lms::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(db::Db& db);
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~ScannerService();
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private:
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ScannerService(const ScannerService&) = delete;
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ScannerService& operator=(const ScannerService&) = delete;
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void requestReload() override;
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void requestImmediateScan(const ScanOptions& scanOptions) 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(const ScanOptions& scanOptions, const Wt::WDateTime& dateTime = {});
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void abortScan();
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// Update database (scheduled callback)
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void scan(const ScanOptions& scanOptions);
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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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ScannerSettings readSettings();
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void notifyInProgressIfNeeded(const ScanStepStats& stats);
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void notifyInProgress(const ScanStepStats& stats);
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std::vector<std::unique_ptr<IScanStep>> _scanSteps;
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std::mutex _controlMutex;
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bool _abortScan{};
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Wt::WIOService _ioService;
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boost::asio::system_timer _scheduleTimer{ _ioService };
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Events _events;
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std::chrono::system_clock::time_point _lastScanInProgressEmit{};
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db::Db& _db;
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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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ScannerSettings _settings;
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};
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} // namespace lms::scanner
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