foundationdb/fdbclient/ServerKnobCollection.h

50 lines
2.0 KiB
C++

/*
* ServerKnobCollection.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FDBCLIENT_SERVERKNOBCOLLECTION_H
#define FDBCLIENT_SERVERKNOBCOLLECTION_H
#pragma once
#include "fdbclient/ClientKnobCollection.h"
#include "fdbclient/IKnobCollection.h"
/*
* Stores both flow knobs, client knobs, and server knobs. Attempting to access test knobs
* results in a run-time error
*/
class ServerKnobCollection : public IKnobCollection {
ClientKnobCollection clientKnobCollection;
ServerKnobs serverKnobs;
public:
ServerKnobCollection(Randomize randomize, IsSimulated isSimulated);
void initialize(Randomize randomize, IsSimulated isSimulated) override;
void reset(Randomize randomize, IsSimulated isSimulated) override;
FlowKnobs const& getFlowKnobs() const override { return clientKnobCollection.getFlowKnobs(); }
ClientKnobs const& getClientKnobs() const override { return clientKnobCollection.getClientKnobs(); }
ServerKnobs const& getServerKnobs() const override { return serverKnobs; }
TestKnobs const& getTestKnobs() const override { throw internal_error(); }
Optional<KnobValue> tryParseKnobValue(std::string const& knobName, std::string const& knobValue) const override;
bool trySetKnob(std::string const& knobName, KnobValueRef const& knobValue) override;
bool isAtomic(std::string const& knobName) const override;
};
#endif // FDBCLIENT_SERVERKNOBCOLLECTION_H