init.h

// @file init.h

/* Copyright 2013 10gen Inc.
 *
 * 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.
 */

#pragma once

#include "mongo/base/status.h"
#include "mongo/client/export_macros.h"
#include "mongo/client/options.h"

// NOTE: These functions are only intended to be used when linking against the libmongoclient
// library. The below functions are not defined in servers like mongos or mongod, which have
// their own initialization strategy.

namespace mongo {

namespace client {

    MONGO_CLIENT_API Status MONGO_CLIENT_FUNC initialize(const Options& options = Options());

    MONGO_CLIENT_API Status MONGO_CLIENT_FUNC shutdown();

    class MONGO_CLIENT_API GlobalInstance {

        MONGO_DISALLOW_COPYING(GlobalInstance);

    public:
        explicit GlobalInstance(const Options& options = Options());

        ~GlobalInstance();

        const Status& status() const {
            return _status;
        }

        bool initialized() const {
            return status().isOK();
        }

        void assertInitialized() const;

        Status shutdown();

    private:
        bool _terminateNeeded;
        const Status _status;
    };

} // namespace client
} // namespace mongo