DBServer_SQLite.h

/*
 * Copyright (c) 2015 Pavel Vainerman.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, version 2.1.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
// --------------------------------------------------------------------------
// --------------------------------------------------------------------------
#ifndef DBServer_SQLite_H_
#define DBServer_SQLite_H_
// --------------------------------------------------------------------------
#include <unordered_map>
#include <queue>
#include "UniSetTypes.h"
#include "SQLiteInterface.h"
#include "DBServer.h"
// -------------------------------------------------------------------------
namespace uniset
{
//------------------------------------------------------------------------------------------
class DBServer_SQLite:
    public DBServer
{
    public:
        DBServer_SQLite( uniset::ObjectId id, const std::string& prefix );
        explicit DBServer_SQLite( const std::string& prefix );
        virtual ~DBServer_SQLite();

        static std::shared_ptr<DBServer_SQLite> init_dbserver( int argc, const char* const* argv, const std::string& prefix = "sqlite" );

        static void help_print( int argc, const char* const* argv );

        inline std::shared_ptr<LogAgregator> logAggregator()
        {
            return loga;
        }
        inline std::shared_ptr<DebugStream> log()
        {
            return dblog;
        }

    protected:
        typedef std::unordered_map<int, std::string> DBTableMap;

        virtual void initDBServer() override;
        virtual void initDB( std::shared_ptr<SQLiteInterface>& db ) {};
        virtual void initDBTableMap(DBTableMap& tblMap) {};

        virtual void timerInfo( const uniset::TimerMessage* tm ) override;
        virtual void sysCommand( const uniset::SystemMessage* sm ) override;
        virtual void sensorInfo( const uniset::SensorMessage* sm ) override;
        virtual void confirmInfo( const uniset::ConfirmMessage* cmsg ) override;

        bool writeToBase( const string& query );
        void createTables( SQLiteInterface* db );

        inline std::string tblName(int key)
        {
            return tblMap[key];
        }

        enum Timers
        {
            PingTimer,        
            ReconnectTimer,   
            lastNumberOfTimer
        };


        std::shared_ptr<SQLiteInterface> db;
        int PingTime;
        int ReconnectTime;
        bool connect_ok;     
        bool activate;

        typedef std::queue<std::string> QueryBuffer;

        QueryBuffer qbuf;
        unsigned int qbufSize; // размер буфера сообщений.
        bool lastRemove;

        void flushBuffer();
        uniset::uniset_rwmutex mqbuf;

    private:
        DBTableMap tblMap;

};
// ----------------------------------------------------------------------------------
} // end of namespace uniset
//------------------------------------------------------------------------------------------
#endif