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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.
*/
#include "mongo/s/stale_exception.h"
#include "mongo/base/init.h"
#include "mongo/s/shard_version.h"
#include "mongo/util/assert_util.h"
namespace mongo {
namespace {
MONGO_INIT_REGISTER_ERROR_EXTRA_INFO(StaleConfigInfo);
MONGO_INIT_REGISTER_ERROR_EXTRA_INFO(StaleEpochInfo);
MONGO_INIT_REGISTER_ERROR_EXTRA_INFO(StaleDbRoutingVersion);
} // namespace
void StaleConfigInfo::serialize(BSONObjBuilder* bob) const {
bob->append("ns", _nss.ns());
_received.serialize("vReceived", bob);
if (_wanted)
_wanted->serialize("vWanted", bob);
invariant(_shardId != "");
bob->append("shardId", _shardId.toString());
}
std::shared_ptr<const ErrorExtraInfo> StaleConfigInfo::parse(const BSONObj& obj) {
auto shardId = obj["shardId"].String();
uassert(ErrorCodes::NoSuchKey, "The shardId field is missing", !shardId.empty());
return std::make_shared<StaleConfigInfo>(
NamespaceString(obj["ns"].String()),
ShardVersion::parse(obj["vReceived"]),
[&] {
if (auto vWantedElem = obj["vWanted"])
return boost::make_optional(ShardVersion::parse(vWantedElem));
return boost::optional<ShardVersion>();
}(),
ShardId(std::move(shardId)));
}
void StaleEpochInfo::serialize(BSONObjBuilder* bob) const {
bob->append("ns", _nss.ns());
_received.serialize("vReceived", bob);
_wanted.serialize("vWanted", bob);
}
std::shared_ptr<const ErrorExtraInfo> StaleEpochInfo::parse(const BSONObj& obj) {
boost::optional<ShardVersion> received;
if (auto vReceivedElem = obj["vReceived"])
received = ShardVersion::parse(vReceivedElem);
boost::optional<ShardVersion> wanted;
if (auto vWantedElem = obj["vWanted"])
wanted = ShardVersion::parse(vWantedElem);
uassert(6375907,
str::stream() << "Both vReceived (" << received << ")"
<< " and vWanted (" << wanted << ") must be present",
received && wanted);
return std::make_shared<StaleEpochInfo>(
NamespaceString(obj["ns"].String()), *received, *wanted);
}
void StaleDbRoutingVersion::serialize(BSONObjBuilder* bob) const {
bob->append("db", _db);
bob->append("vReceived", _received.toBSON());
if (_wanted) {
bob->append("vWanted", _wanted->toBSON());
}
}
std::shared_ptr<const ErrorExtraInfo> StaleDbRoutingVersion::parse(const BSONObj& obj) {
return std::make_shared<StaleDbRoutingVersion>(obj["db"].String(),
DatabaseVersion(obj["vReceived"].Obj()),
!obj["vWanted"].eoo()
? DatabaseVersion(obj["vWanted"].Obj())
: boost::optional<DatabaseVersion>{});
}
} // namespace mongo
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