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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.
*/
#include "mongo/platform/basic.h"
#include "mongo/rpc/factory.h"
#include "mongo/rpc/command_reply.h"
#include "mongo/rpc/command_reply_builder.h"
#include "mongo/rpc/command_request.h"
#include "mongo/rpc/command_request_builder.h"
#include "mongo/rpc/legacy_reply.h"
#include "mongo/rpc/legacy_reply_builder.h"
#include "mongo/rpc/legacy_request.h"
#include "mongo/rpc/legacy_request_builder.h"
#include "mongo/rpc/message.h"
#include "mongo/rpc/op_msg_rpc_impls.h"
#include "mongo/rpc/protocol.h"
#include "mongo/stdx/memory.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/mongoutils/str.h"
namespace mongo {
namespace rpc {
Message messageFromOpMsgRequest(Protocol proto, const OpMsgRequest& request) {
switch (proto) {
case Protocol::kOpMsg:
return request.serialize();
case Protocol::kOpQuery:
return legacyRequestFromOpMsgRequest(request);
case Protocol::kOpCommandV1:
return opCommandRequestFromOpMsgRequest(request);
default:
MONGO_UNREACHABLE;
}
}
std::unique_ptr<ReplyInterface> makeReply(const Message* unownedMessage) {
switch (unownedMessage->operation()) {
case mongo::dbMsg:
return stdx::make_unique<OpMsgReply>(OpMsg::parseOwned(*unownedMessage));
case mongo::opReply:
return stdx::make_unique<LegacyReply>(unownedMessage);
case mongo::dbCommandReply:
return stdx::make_unique<CommandReply>(unownedMessage);
default:
uasserted(ErrorCodes::UnsupportedFormat,
str::stream() << "Received a reply message with unexpected opcode: "
<< unownedMessage->operation());
}
}
OpMsgRequest opMsgRequestFromAnyProtocol(const Message& unownedMessage) {
switch (unownedMessage.operation()) {
case mongo::dbMsg:
return OpMsgRequest::parse(unownedMessage);
case mongo::dbQuery:
return opMsgRequestFromLegacyRequest(unownedMessage);
case mongo::dbCommand:
return opMsgRequestFromCommandRequest(unownedMessage);
default:
uasserted(ErrorCodes::UnsupportedFormat,
str::stream() << "Received a reply message with unexpected opcode: "
<< unownedMessage.operation());
}
}
std::unique_ptr<ReplyBuilderInterface> makeReplyBuilder(Protocol protocol) {
switch (protocol) {
case Protocol::kOpMsg:
return stdx::make_unique<OpMsgReplyBuilder>();
case Protocol::kOpQuery:
return stdx::make_unique<LegacyReplyBuilder>();
case Protocol::kOpCommandV1:
return stdx::make_unique<CommandReplyBuilder>();
default:
MONGO_UNREACHABLE;
}
}
} // namespace rpc
} // namespace mongo
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