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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/rpc/op_msg.h"
#include "mongo/rpc/reply_builder_interface.h"
#include "mongo/rpc/reply_interface.h"
namespace mongo {
namespace rpc {
class OpMsgReply final : public rpc::ReplyInterface {
public:
explicit OpMsgReply(const Message* message) : _msg(OpMsg::parseOwned(*message)) {}
explicit OpMsgReply(OpMsg msg) : _msg(std::move(msg)) {}
const BSONObj& getCommandReply() const override {
return _msg.body;
}
rpc::Protocol getProtocol() const override {
return rpc::Protocol::kOpMsg;
}
private:
OpMsg _msg;
};
class OpMsgReplyBuilder final : public rpc::ReplyBuilderInterface {
public:
ReplyBuilderInterface& setRawCommandReply(const BSONObj& reply) override {
_builder.beginBody().appendElements(reply);
return *this;
}
BSONObjBuilder getBodyBuilder() override {
if (!_builder.isBuildingBody()) {
return _builder.beginBody();
}
return _builder.resumeBody();
}
OpMsgBuilder::DocSequenceBuilder getDocSequenceBuilder(StringData name) override {
return _builder.beginDocSequence(name);
}
rpc::Protocol getProtocol() const override {
return rpc::Protocol::kOpMsg;
}
void reset() override {
_builder.reset();
}
Message done() override {
return _builder.finish();
}
void reserveBytes(const std::size_t bytes) override {
_builder.reserveBytes(bytes);
}
BSONObj releaseBody() {
return _builder.releaseBody();
}
private:
OpMsgBuilder _builder;
};
} // namespace rpc
} // namespace mongo
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