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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 <memory>
#include "mongo/base/status.h"
#include "mongo/bson/util/builder.h"
#include "mongo/rpc/document_range.h"
#include "mongo/rpc/protocol.h"
#include "mongo/rpc/reply_builder_interface.h"
#include "mongo/util/net/message.h"
namespace mongo {
namespace rpc {
class LegacyReplyBuilder : public ReplyBuilderInterface {
public:
static const char kCursorTag[];
static const char kFirstBatchTag[];
LegacyReplyBuilder();
LegacyReplyBuilder(Message&&);
~LegacyReplyBuilder() final;
// Override of setCommandReply specifically used to handle SendStaleConfigException.
LegacyReplyBuilder& setCommandReply(Status nonOKStatus, const BSONObj& extraErrorInfo) final;
LegacyReplyBuilder& setRawCommandReply(const BSONObj& commandReply) final;
BufBuilder& getInPlaceReplyBuilder(std::size_t) final;
LegacyReplyBuilder& setMetadata(const BSONObj& metadata) final;
Status addOutputDocs(DocumentRange outputDocs) final;
Status addOutputDoc(const BSONObj& outputDoc) final;
State getState() const final;
void reset() final;
Message done() final;
Protocol getProtocol() const final;
private:
BufBuilder _builder{};
Message _message;
State _state{State::kCommandReply};
// For stale config errors we need to set the correct ResultFlag.
bool _staleConfigError{false};
};
} // namespace rpc
} // namespace mongo
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