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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/reply_builder_interface.h"
#include <utility>
#include "mongo/base/status_with.h"
#include "mongo/db/jsobj.h"
namespace mongo {
namespace rpc {
namespace {
const char kOKField[] = "ok";
const char kCodeField[] = "code";
const char kCodeNameField[] = "codeName";
const char kErrorField[] = "errmsg";
// similar to appendCommandStatus (duplicating logic here to avoid cyclic library
// dependency)
BSONObj augmentReplyWithStatus(const Status& status, BSONObj reply) {
auto okField = reply.getField(kOKField);
if (!okField.eoo() && okField.trueValue()) {
return reply;
}
BSONObjBuilder bob(std::move(reply));
if (okField.eoo()) {
bob.append(kOKField, status.isOK() ? 1.0 : 0.0);
}
if (status.isOK()) {
return bob.obj();
}
if (!bob.asTempObj().hasField(kErrorField)) {
bob.append(kErrorField, status.reason());
}
if (!bob.asTempObj().hasField(kCodeField)) {
bob.append(kCodeField, status.code());
bob.append(kCodeNameField, ErrorCodes::errorString(status.code()));
}
if (auto extraInfo = status.extraInfo()) {
extraInfo->serialize(&bob);
}
return bob.obj();
}
}
ReplyBuilderInterface& ReplyBuilderInterface::setCommandReply(StatusWith<BSONObj> commandReply) {
auto reply = commandReply.isOK() ? std::move(commandReply.getValue()) : BSONObj();
return setRawCommandReply(augmentReplyWithStatus(commandReply.getStatus(), std::move(reply)));
}
ReplyBuilderInterface& ReplyBuilderInterface::setCommandReply(Status nonOKStatus,
BSONObj extraErrorInfo) {
invariant(!nonOKStatus.isOK());
return setRawCommandReply(augmentReplyWithStatus(nonOKStatus, std::move(extraErrorInfo)));
}
} // namespace rpc
} // namespace mongo
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