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