57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
/*
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* Copyright (C) 2025 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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#include <functional>
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#include <memory>
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#include <span>
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#include <vector>
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namespace lms::core
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{
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class IJob;
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class IJobScheduler;
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} // namespace lms::core
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namespace lms::scanner
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{
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class JobQueue
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{
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public:
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using ProcessFunction = std::function<void(std::span<std::unique_ptr<core::IJob>>)>;
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JobQueue(core::IJobScheduler& scheduler, std::size_t maxQueueSize, ProcessFunction processJobsDoneFunc, std::size_t batchSize, float drainThreshold);
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~JobQueue();
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JobQueue(const JobQueue&) = delete;
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JobQueue& operator=(const JobQueue&) = delete;
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// push can wait and invoke the supplied ProcessFunction
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void push(std::unique_ptr<core::IJob> job);
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void finish();
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private:
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void drainIfNeeded();
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core::IJobScheduler& _scheduler;
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const std::size_t _maxQueueSize;
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ProcessFunction _processJobsDoneFunc;
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const std::size_t _batchSize;
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const float _drainThreshold;
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std::vector<std::unique_ptr<core::IJob>> _jobsDone;
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};
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} // namespace lms::scanner
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