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/**
* Copyright (C) 2019-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/db/s/transaction_coordinator_worker_curop_info.h"
#include "mongo/base/shim.h"
namespace mongo {
const auto getTransactionCoordinatorWorkerCurOpInfo =
OperationContext::declareDecoration<boost::optional<TransactionCoordinatorWorkerCurOpInfo>>();
namespace {
class MongoDTransactionCoordinatorWorkerCurOpRepository final
: public TransactionCoordinatorWorkerCurOpRepository {
public:
MongoDTransactionCoordinatorWorkerCurOpRepository() {}
void set(OperationContext* opCtx,
const LogicalSessionId& lsid,
const TxnNumber txnNumber,
const CoordinatorAction action) override {
auto startTime = opCtx->getServiceContext()->getPreciseClockSource()->now();
stdx::lock_guard<Client> lk(*opCtx->getClient());
getTransactionCoordinatorWorkerCurOpInfo(opCtx).emplace(
TransactionCoordinatorWorkerCurOpInfo(lsid, txnNumber, startTime, action));
}
/**
* Caller should hold the client lock associated with the OperationContext.
*/
void reportState(OperationContext* opCtx, BSONObjBuilder* parent) const override {
if (auto info = getTransactionCoordinatorWorkerCurOpInfo(opCtx)) {
info->reportState(parent);
}
}
};
const auto _transactionCoordinatorWorkerCurOpRepository =
std::make_shared<MongoDTransactionCoordinatorWorkerCurOpRepository>();
std::shared_ptr<TransactionCoordinatorWorkerCurOpRepository>
getTransactionCoordinatorWorkerCurOpRepositoryImpl() {
return _transactionCoordinatorWorkerCurOpRepository;
}
auto getTransactionCoordinatorWorkerCurOpRepositoryRegistration =
MONGO_WEAK_FUNCTION_REGISTRATION(getTransactionCoordinatorWorkerCurOpRepository,
getTransactionCoordinatorWorkerCurOpRepositoryImpl);
} // namespace
TransactionCoordinatorWorkerCurOpInfo::TransactionCoordinatorWorkerCurOpInfo(
LogicalSessionId lsid, TxnNumber txnNumber, Date_t startTime, CoordinatorAction action)
: _lsid(lsid), _txnNumber(txnNumber), _startTime(startTime), _action(action) {}
const std::string TransactionCoordinatorWorkerCurOpInfo::toString(CoordinatorAction action) {
switch (action) {
case CoordinatorAction::kSendingPrepare:
return "sendingPrepare";
case CoordinatorAction::kSendingCommit:
return "sendingCommit";
case CoordinatorAction::kSendingAbort:
return "sendingAbort";
case CoordinatorAction::kWritingParticipantList:
return "writingParticipantList";
case CoordinatorAction::kWritingDecision:
return "writingDecision";
case CoordinatorAction::kDeletingCoordinatorDoc:
return "deletingCoordinatorDoc";
default:
MONGO_UNREACHABLE
}
}
void TransactionCoordinatorWorkerCurOpInfo::reportState(BSONObjBuilder* parent) const {
invariant(parent);
BSONObjBuilder twoPhaseCoordinatorBuilder;
BSONObjBuilder lsidBuilder(twoPhaseCoordinatorBuilder.subobjStart("lsid"));
_lsid.serialize(&lsidBuilder);
lsidBuilder.doneFast();
twoPhaseCoordinatorBuilder.append("txnNumber", _txnNumber);
twoPhaseCoordinatorBuilder.append("action", toString(_action));
twoPhaseCoordinatorBuilder.append("startTime", dateToISOStringUTC(_startTime));
parent->append("twoPhaseCommitCoordinator", twoPhaseCoordinatorBuilder.obj());
}
} // namespace mongo
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