foundationdb/fdbclient/ConfigTransactionInterface.cpp

92 lines
3.5 KiB
C++

/*
* ConfigTransactionInterface.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2018 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/ConfigTransactionInterface.h"
#include "fdbclient/CoordinationInterface.h"
#include "fdbclient/SystemData.h"
#include "flow/IRandom.h"
ConfigTransactionInterface::ConfigTransactionInterface() : _id(deterministicRandom()->randomUniqueID()) {}
void ConfigTransactionInterface::setupWellKnownEndpoints() {
getGeneration.makeWellKnownEndpoint(WLTOKEN_CONFIGTXN_GETGENERATION, TaskPriority::Coordination);
get.makeWellKnownEndpoint(WLTOKEN_CONFIGTXN_GET, TaskPriority::Coordination);
getClasses.makeWellKnownEndpoint(WLTOKEN_CONFIGTXN_GETCLASSES, TaskPriority::Coordination);
getKnobs.makeWellKnownEndpoint(WLTOKEN_CONFIGTXN_GETKNOBS, TaskPriority::Coordination);
commit.makeWellKnownEndpoint(WLTOKEN_CONFIGTXN_COMMIT, TaskPriority::Coordination);
}
ConfigTransactionInterface::ConfigTransactionInterface(NetworkAddress const& remote)
: getGeneration(Endpoint({ remote }, WLTOKEN_CONFIGTXN_GETGENERATION)),
get(Endpoint({ remote }, WLTOKEN_CONFIGTXN_GET)), getClasses(Endpoint({ remote }, WLTOKEN_CONFIGTXN_GETCLASSES)),
getKnobs(Endpoint({ remote }, WLTOKEN_CONFIGTXN_GETKNOBS)), commit(Endpoint({ remote }, WLTOKEN_CONFIGTXN_COMMIT)) {
}
bool ConfigTransactionInterface::operator==(ConfigTransactionInterface const& rhs) const {
return _id == rhs._id;
}
bool ConfigTransactionInterface::operator!=(ConfigTransactionInterface const& rhs) const {
return !(*this == rhs);
}
bool ConfigGeneration::operator==(ConfigGeneration const& rhs) const {
return liveVersion == rhs.liveVersion && committedVersion == rhs.committedVersion;
}
bool ConfigGeneration::operator!=(ConfigGeneration const& rhs) const {
return !(*this == rhs);
}
bool ConfigGeneration::operator<(ConfigGeneration const& rhs) const {
if (committedVersion != rhs.committedVersion) {
return committedVersion < rhs.committedVersion;
} else {
return liveVersion < rhs.liveVersion;
}
}
bool ConfigGeneration::operator>(ConfigGeneration const& rhs) const {
if (committedVersion != rhs.committedVersion) {
return committedVersion > rhs.committedVersion;
} else {
return liveVersion > rhs.liveVersion;
}
}
void ConfigTransactionCommitRequest::set(KeyRef key, ValueRef value) {
if (key == configTransactionDescriptionKey) {
annotation.description = KeyRef(arena, value);
} else {
ConfigKey configKey = ConfigKeyRef::decodeKey(key);
auto knobValue = IKnobCollection::parseKnobValue(
configKey.knobName.toString(), value.toString(), IKnobCollection::Type::TEST);
mutations.emplace_back_deep(arena, configKey, knobValue.contents());
}
}
void ConfigTransactionCommitRequest::clear(KeyRef key) {
if (key == configTransactionDescriptionKey) {
annotation.description = ""_sr;
} else {
mutations.emplace_back_deep(arena, ConfigKeyRef::decodeKey(key), Optional<KnobValueRef>{});
}
}