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Diffstat (limited to 'src/mongo/rpc/command_reply.cpp')
-rw-r--r-- | src/mongo/rpc/command_reply.cpp | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/mongo/rpc/command_reply.cpp b/src/mongo/rpc/command_reply.cpp new file mode 100644 index 00000000000..449308fbed3 --- /dev/null +++ b/src/mongo/rpc/command_reply.cpp @@ -0,0 +1,84 @@ +/** + * 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/command_reply.h" + +#include <tuple> + +#include "mongo/base/data_range_cursor.h" +#include "mongo/util/net/message.h" + +namespace mongo { +namespace rpc { + + CommandReply::CommandReply(const Message* message) + : _message(message) { + + const char* begin = _message->singleData().data(); + std::size_t length = _message->singleData().dataLen(); + + // This check failing would normally be operation fatal, but we expect it to have been + // done earlier in the network layer, so we make it an invariant. + invariant(length <= MaxMessageSizeBytes); + + const char* messageEnd = begin + length; + ConstDataRangeCursor cur(begin, messageEnd); + + // TODO(amidvidy): we don't currently handle BSON validation. + // we will eventually have to thread serverGlobalParams.objcheck through here + // similarly to DbMessage::nextJsObj + uassertStatusOK(cur.readAndAdvance<BSONObj>(&_metadata)); + uassertStatusOK(cur.readAndAdvance<BSONObj>(&_commandReply)); + _outputDocs = DocumentRange(cur.data(), messageEnd); + } + + const BSONObj& CommandReply::getMetadata() const { + return _metadata; + } + + const BSONObj& CommandReply::getCommandReply() const { + return _commandReply; + } + + DocumentRange CommandReply::getOutputDocs() const { + return _outputDocs; + } + + bool operator==(const CommandReply& lhs, const CommandReply& rhs) { + return std::tie(lhs._metadata, lhs._commandReply, lhs._outputDocs) == + std::tie(rhs._metadata, rhs._commandReply, rhs._outputDocs); + } + + bool operator!=(const CommandReply& lhs, const CommandReply& rhs) { + return !(lhs == rhs); + } + +} // namespace rpc +} // namespace mongo |