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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/platform/basic.h"
#include "mongo/db/operation_context_session_mongod.h"
#include "mongo/db/transaction_coordinator_factory.h"
#include "mongo/db/transaction_participant.h"
namespace mongo {
OperationContextSessionMongod::OperationContextSessionMongod(OperationContext* opCtx,
bool shouldCheckOutSession,
boost::optional<bool> autocommit,
boost::optional<bool> startTransaction,
boost::optional<bool> coordinator)
: _operationContextSession(opCtx, shouldCheckOutSession) {
if (shouldCheckOutSession && !opCtx->getClient()->isInDirectClient()) {
const auto txnParticipant = TransactionParticipant::get(opCtx);
const auto clientTxnNumber = *opCtx->getTxnNumber();
txnParticipant->refreshFromStorageIfNeeded(opCtx);
txnParticipant->beginOrContinue(clientTxnNumber, autocommit, startTransaction);
if (startTransaction && *startTransaction) {
// If this shard has been selected as the coordinator, set up the coordinator state
// to be ready to receive votes.
if (coordinator && *coordinator) {
createTransactionCoordinator(opCtx, clientTxnNumber);
}
}
}
}
OperationContextSessionMongodWithoutRefresh::OperationContextSessionMongodWithoutRefresh(
OperationContext* opCtx)
: _operationContextSession(opCtx, true /* checkout */) {
invariant(!opCtx->getClient()->isInDirectClient());
const auto clientTxnNumber = *opCtx->getTxnNumber();
const auto txnParticipant = TransactionParticipant::get(opCtx);
txnParticipant->beginOrContinueTransactionUnconditionally(clientTxnNumber);
}
} // namespace mongo
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