foundationdb/fdbclient/ServerKnobCollection.cpp

57 lines
2.3 KiB
C++

/*
* ServerKnobCollection.cpp
*
* 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.
*/
#include "fdbclient/ServerKnobCollection.h"
ServerKnobCollection::ServerKnobCollection(Randomize randomize, IsSimulated isSimulated)
: clientKnobCollection(randomize, isSimulated),
serverKnobs(randomize, &clientKnobCollection.getMutableClientKnobs(), isSimulated) {}
void ServerKnobCollection::initialize(Randomize randomize, IsSimulated isSimulated) {
clientKnobCollection.initialize(randomize, isSimulated);
serverKnobs.initialize(randomize, &clientKnobCollection.getMutableClientKnobs(), isSimulated);
}
void ServerKnobCollection::reset(Randomize randomize, IsSimulated isSimulated) {
clientKnobCollection.reset(randomize, isSimulated);
serverKnobs.reset(randomize, &clientKnobCollection.getMutableClientKnobs(), isSimulated);
}
Optional<KnobValue> ServerKnobCollection::tryParseKnobValue(std::string const& knobName,
std::string const& knobValue) const {
auto result = clientKnobCollection.tryParseKnobValue(knobName, knobValue);
if (result.present()) {
return result;
}
auto parsedKnobValue = serverKnobs.parseKnobValue(knobName, knobValue);
if (!std::holds_alternative<NoKnobFound>(parsedKnobValue)) {
return KnobValueRef::create(parsedKnobValue);
}
return {};
}
bool ServerKnobCollection::trySetKnob(std::string const& knobName, KnobValueRef const& knobValue) {
return clientKnobCollection.trySetKnob(knobName, knobValue) || knobValue.visitSetKnob(knobName, serverKnobs);
}
bool ServerKnobCollection::isAtomic(std::string const& knobName) const {
return clientKnobCollection.isAtomic(knobName) || serverKnobs.isAtomic(knobName);
}