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/**
* Copyright (C) 2020-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/vector_clock.h"
namespace mongo {
namespace {
class VectorClockMongoS : public VectorClock {
VectorClockMongoS(const VectorClockMongoS&) = delete;
VectorClockMongoS& operator=(const VectorClockMongoS&) = delete;
public:
VectorClockMongoS();
virtual ~VectorClockMongoS();
private:
// VectorClock methods implementation
bool _gossipOutInternal(OperationContext* opCtx,
BSONObjBuilder* out,
const LogicalTimeArray& time) const override;
bool _gossipOutExternal(OperationContext* opCtx,
BSONObjBuilder* out,
const LogicalTimeArray& time) const override;
LogicalTimeArray _gossipInInternal(OperationContext* opCtx,
const BSONObj& in,
bool couldBeUnauthenticated) override;
LogicalTimeArray _gossipInExternal(OperationContext* opCtx,
const BSONObj& in,
bool couldBeUnauthenticated) override;
bool _permitRefreshDuringGossipOut() const override {
return true;
}
};
const auto vectorClockMongoSDecoration = ServiceContext::declareDecoration<VectorClockMongoS>();
ServiceContext::ConstructorActionRegisterer vectorClockMongoSRegisterer(
"VectorClockMongoS-VectorClockRegistration",
{},
[](ServiceContext* service) {
VectorClockMongoS::registerVectorClockOnServiceContext(
service, &vectorClockMongoSDecoration(service));
},
{});
VectorClockMongoS::VectorClockMongoS() = default;
VectorClockMongoS::~VectorClockMongoS() = default;
bool VectorClockMongoS::_gossipOutInternal(OperationContext* opCtx,
BSONObjBuilder* out,
const LogicalTimeArray& time) const {
bool wasClusterTimeOutput = _gossipOutComponent(opCtx, out, time, Component::ClusterTime);
_gossipOutComponent(opCtx, out, time, Component::ConfigTime);
return wasClusterTimeOutput;
}
bool VectorClockMongoS::_gossipOutExternal(OperationContext* opCtx,
BSONObjBuilder* out,
const LogicalTimeArray& time) const {
return _gossipOutComponent(opCtx, out, time, Component::ClusterTime);
}
VectorClock::LogicalTimeArray VectorClockMongoS::_gossipInInternal(OperationContext* opCtx,
const BSONObj& in,
bool couldBeUnauthenticated) {
LogicalTimeArray newTime;
_gossipInComponent(opCtx, in, couldBeUnauthenticated, &newTime, Component::ClusterTime);
_gossipInComponent(opCtx, in, couldBeUnauthenticated, &newTime, Component::ConfigTime);
_gossipInComponent(opCtx, in, couldBeUnauthenticated, &newTime, Component::TopologyTime);
return newTime;
}
VectorClock::LogicalTimeArray VectorClockMongoS::_gossipInExternal(OperationContext* opCtx,
const BSONObj& in,
bool couldBeUnauthenticated) {
LogicalTimeArray newTime;
_gossipInComponent(opCtx, in, couldBeUnauthenticated, &newTime, Component::ClusterTime);
return newTime;
}
} // namespace
} // namespace mongo
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