67 lines
1.7 KiB
C++
67 lines
1.7 KiB
C++
/*
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* Copyright 2003-2022 The Music Player Daemon Project
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* http://www.musicpd.org
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "Queue.hxx"
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bool
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UpdateQueue::Push(SimpleDatabase &db, Storage &storage,
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std::string_view path, bool discard, unsigned id) noexcept
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{
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if (update_queue.size() >= MAX_UPDATE_QUEUE_SIZE)
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return false;
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update_queue.emplace_back(db, storage, path, discard, id);
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return true;
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}
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UpdateQueueItem
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UpdateQueue::Pop() noexcept
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{
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if (update_queue.empty())
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return {};
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auto i = std::move(update_queue.front());
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update_queue.pop_front();
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return i;
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}
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void
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UpdateQueue::Erase(SimpleDatabase &db) noexcept
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{
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for (auto i = update_queue.begin(), end = update_queue.end();
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i != end;) {
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if (i->db == &db)
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i = update_queue.erase(i);
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else
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++i;
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}
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}
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void
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UpdateQueue::Erase(Storage &storage) noexcept
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{
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for (auto i = update_queue.begin(), end = update_queue.end();
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i != end;) {
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if (i->storage == &storage)
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i = update_queue.erase(i);
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else
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++i;
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}
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}
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