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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/db/dbmessage.h"
#include "mongo/db/jsobj.h"
#include "mongo/rpc/document_range.h"
#include "mongo/rpc/reply_interface.h"
#include "mongo/rpc/protocol.h"
namespace mongo {
class Message;
namespace rpc {
/**
* Immutable view of an OP_REPLY legacy-style command reply.
*
* TODO: BSON validation (SERVER-18167)
*/
class LegacyReply : public ReplyInterface {
public:
/**
* Construct a Reply from a Message.
* The underlying message MUST outlive the Reply.
*/
explicit LegacyReply(const Message* message);
/**
* Accessor for the metadata object. Metadata is generally used for information
* that is independent of any specific command, e.g. auditing information.
*/
const BSONObj& getMetadata() const final;
/**
* The result of executing the command.
*/
const BSONObj& getCommandReply() const final;
/**
* A variable number of BSON documents returned by the command. It is valid for the
* returned range to be empty.
*
* Example usage:
*
* for (auto&& doc : reply.getOutputDocs()) {
* ... do stuff with doc
* }
*/
DocumentRange getOutputDocs() const final;
Protocol getProtocol() const final;
private:
const Message* _message;
// TODO: SERVER-18236
BSONObj _metadata{};
BSONObj _commandReply{}; // will hold unowned
};
} // namespace rpc
} // namespace mongo
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