SQLiteConfigure.cpp

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/*
 * SQLiteConfigure.cpp
 *
 * Copyright (C) 2011 IBR, TU Braunschweig
 *
 * Written-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>
 * Written-by: Matthias Myrtus
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
#include "storage/SQLiteConfigure.h"
#include <sqlite3.h>
#include <iostream>
#include <ibrcommon/thread/MutexLock.h>
#include <ibrcommon/Logger.h>

namespace dtn
{
        namespace storage
        {
                ibrcommon::Mutex SQLiteConfigure::_mutex;
                bool SQLiteConfigure::_isSet = false;

                void SQLiteConfigure::configure()
                {
                        //Configure SQLite Library
                        ibrcommon::MutexLock lock = ibrcommon::MutexLock(_mutex);

                        if (!_isSet)
                        {
                                int err = sqlite3_config(SQLITE_CONFIG_SERIALIZED);

                                if (err != SQLITE_OK)
                                {
                                        IBRCOMMON_LOGGER_TAG("SQLiteConfigure", error) << "SQLite configure failed: " << err << IBRCOMMON_LOGGER_ENDL;
                                        throw ibrcommon::Exception("unable to set serialized sqlite configuration");
                                }

                                _isSet = true;

                                // initialize sqlite
                                sqlite3_initialize();
                        }
                }

                void SQLiteConfigure::shutdown()
                {
                        sqlite3_shutdown();
                }
        }
}