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