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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.
*/
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
#include "mongo/platform/basic.h"
#include "mongo/db/logical_clock.h"
#include "mongo/base/status.h"
#include "mongo/db/global_settings.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/service_context.h"
#include "mongo/db/time_proof_service.h"
#include "mongo/db/vector_clock.h"
#include "mongo/logv2/log.h"
namespace mongo {
namespace {
const auto getLogicalClock = ServiceContext::declareDecoration<std::unique_ptr<LogicalClock>>();
} // namespace
LogicalTime LogicalClock::getClusterTimeForReplicaSet(ServiceContext* svcCtx) {
if (getGlobalReplSettings().usingReplSets()) {
return get(svcCtx)->getClusterTime();
}
return {};
}
LogicalTime LogicalClock::getClusterTimeForReplicaSet(OperationContext* opCtx) {
return getClusterTimeForReplicaSet(opCtx->getClient()->getServiceContext());
}
LogicalClock* LogicalClock::get(ServiceContext* service) {
return getLogicalClock(service).get();
}
LogicalClock* LogicalClock::get(OperationContext* ctx) {
return get(ctx->getClient()->getServiceContext());
}
void LogicalClock::set(ServiceContext* service, std::unique_ptr<LogicalClock> clockArg) {
auto& clock = getLogicalClock(service);
clock = std::move(clockArg);
}
LogicalClock::LogicalClock(ServiceContext* service) : _service(service) {}
LogicalTime LogicalClock::getClusterTime() {
auto time = VectorClock::get(_service)->getTime();
return time.clusterTime();
}
} // namespace mongo
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