92 lines
3.4 KiB
C++
92 lines
3.4 KiB
C++
/*
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* ReplicationUtils.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FLOW_REPLICATIONTEST_H
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#define FLOW_REPLICATIONTEST_H
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#pragma once
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#include "flow/flow.h"
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#include "fdbrpc/ReplicationTypes.h"
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typedef std::string repTestType;
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//string value defining test type
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extern repTestType convertToTestType(int iValue);
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//converts integer value to a test type
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extern int testReplication();
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extern double ratePolicy(
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Reference<LocalitySet> & localitySet,
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Reference<IReplicationPolicy> const& policy,
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unsigned int nSelectTests);
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//returns the value for the rate policy
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//given a localitySet, replication policy and number of selected tests, apply the
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//policy and return the rating
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//rating can be -1 there are no unique results failing while applying the replication
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//policy, otherwise largest mode from the items per unique set of locaility entry
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//are returned.
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extern bool findBestPolicySet(
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std::vector<LocalityEntry>& bestResults,
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Reference<LocalitySet> & localitySet,
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Reference<IReplicationPolicy> const& policy,
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unsigned int nMinItems,
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unsigned int nSelectTests,
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unsigned int nPolicyTests);
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//returns the best policy set
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//given locality set, replication policy, number of min items, number of select
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//test, number of policy tests, find the best from locality set, including few
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//random items, get the rate policy having test rate, best rate and returning
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//the success state.
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extern bool findBestUniquePolicySet(
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std::vector<LocalityEntry>& bestResults,
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Reference<LocalitySet> & localitySet,
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Reference<IReplicationPolicy> const& policy,
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StringRef localityUniquenessKey,
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unsigned int nMinItems,
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unsigned int nSelectTests,
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unsigned int nPolicyTests);
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// The following function will return TRUE if all possible combinations
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// of the new Item array will not pass the specified policy
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extern bool validateAllCombinations(
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std::vector<LocalityData> & offendingCombo,
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LocalityGroup const& localitySet,
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Reference<IReplicationPolicy> const& policy,
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std::vector<LocalityData> const& newItems,
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unsigned int nCombinationSize,
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bool bCheckIfValid = true);
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extern bool validateAllCombinations(
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LocalityGroup const& localitySet,
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Reference<IReplicationPolicy> const& policy,
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std::vector<LocalityData> const& newItems,
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unsigned int nCombinationSize,
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bool bCheckIfValid = true);
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/// Remove all pieces of locality information from the LocalityData that will not be used when validating the policy.
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void filterLocalityDataForPolicy(Reference<IReplicationPolicy> policy, LocalityData* ld);
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void filterLocalityDataForPolicy(Reference<IReplicationPolicy> policy, std::vector<LocalityData>* vld);
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#endif
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