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+/*
+ * Copyright (C) 2012-2018 Team Kodi
+ * This file is part of Kodi - https://kodi.tv
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ * See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "threads/CriticalSection.h"
+
+#include <atomic>
+#include <map>
+#include <string>
+
+class CDatabase;
+class DatabaseSettings;
+
+/*!
+ \ingroup database
+ \brief Database manager class for handling database updating
+
+ Ensures that databases used in XBMC are up to date, and if a database can't be
+ opened, ensures we don't continuously try it.
+
+ */
+class CDatabaseManager
+{
+public:
+ CDatabaseManager();
+ CDatabaseManager(const CDatabaseManager&) = delete;
+ CDatabaseManager const& operator=(CDatabaseManager const&) = delete;
+ ~CDatabaseManager();
+
+ /*! \brief Initialize the database manager
+ Checks that all databases are up to date, otherwise updates them.
+ */
+ void Initialize();
+
+ /*! \brief Check whether we can open a database.
+
+ Checks whether the database has been updated correctly, if so returns true.
+ If the database update failed, returns false immediately.
+ If the database update is in progress, returns false.
+
+ \param name the name of the database to check.
+ \return true if the database can be opened, false otherwise.
+ */
+ bool CanOpen(const std::string &name);
+
+ bool IsUpgrading() const { return m_bIsUpgrading; }
+
+private:
+ std::atomic<bool> m_bIsUpgrading;
+
+ enum DB_STATUS { DB_CLOSED, DB_UPDATING, DB_READY, DB_FAILED };
+ void UpdateStatus(const std::string &name, DB_STATUS status);
+ void UpdateDatabase(CDatabase &db, DatabaseSettings *settings = NULL);
+ bool Update(CDatabase &db, const DatabaseSettings &settings);
+ bool UpdateVersion(CDatabase &db, const std::string &dbName);
+
+ CCriticalSection m_section; ///< Critical section protecting m_dbStatus.
+ std::map<std::string, DB_STATUS> m_dbStatus; ///< Our database status map.
+};