178 lines
5.3 KiB
C++
178 lines
5.3 KiB
C++
/*
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* RatekeeperInterface.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 2013-2019 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 FDBSERVER_RATEKEEPERINTERFACE_H
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#define FDBSERVER_RATEKEEPERINTERFACE_H
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#include "fdbclient/FDBTypes.h"
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#include "fdbrpc/fdbrpc.h"
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#include "fdbrpc/Locality.h"
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struct RatekeeperInterface {
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constexpr static FileIdentifier file_identifier = 5983305;
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RequestStream<ReplyPromise<Void>> waitFailure;
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RequestStream<struct GetRateInfoRequest> getRateInfo;
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RequestStream<struct HaltRatekeeperRequest> haltRatekeeper;
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RequestStream<struct ReportCommitCostEstimationRequest> reportCommitCostEstimation;
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struct LocalityData locality;
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UID myId;
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RatekeeperInterface() {}
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explicit RatekeeperInterface(const struct LocalityData& l, UID id) : locality(l), myId(id) {}
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void initEndpoints() {}
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UID id() const { return myId; }
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NetworkAddress address() const { return getRateInfo.getEndpoint().getPrimaryAddress(); }
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bool operator== (const RatekeeperInterface& r) const {
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return id() == r.id();
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}
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bool operator!= (const RatekeeperInterface& r) const {
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return !(*this == r);
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}
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template <class Archive>
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void serialize(Archive& ar) {
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serializer(ar, waitFailure, getRateInfo, haltRatekeeper, reportCommitCostEstimation, locality, myId);
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}
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};
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struct ClientTagThrottleLimits {
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double tpsRate;
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double expiration;
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ClientTagThrottleLimits() : tpsRate(0), expiration(0) {}
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ClientTagThrottleLimits(double tpsRate, double expiration) : tpsRate(tpsRate), expiration(expiration) {}
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template <class Archive>
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void serialize(Archive& ar) {
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// Convert expiration time to a duration to avoid clock differences
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double duration = 0;
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if(!ar.isDeserializing) {
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duration = expiration - now();
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}
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serializer(ar, tpsRate, duration);
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if(ar.isDeserializing) {
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expiration = now() + duration;
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}
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}
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};
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struct TransactionCommitCostEstimation {
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int opsSum = 0;
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uint64_t costSum = 0;
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uint64_t getCostSum() const { return costSum; }
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int getOpsSum() const { return opsSum; }
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, opsSum, costSum);
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}
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TransactionCommitCostEstimation& operator+=(const TransactionCommitCostEstimation& other) {
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opsSum += other.opsSum;
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costSum += other.costSum;
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return *this;
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}
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};
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struct ClientTrCommitCostEstimation {
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int opsCount = 0;
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uint64_t writeCosts = 0;
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std::deque<std::pair<int, uint64_t>> clearIdxCosts;
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uint32_t expensiveCostEstCount = 0;
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, opsCount, writeCosts, clearIdxCosts, expensiveCostEstCount);
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}
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};
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struct GetRateInfoReply {
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constexpr static FileIdentifier file_identifier = 7845006;
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double transactionRate;
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double batchTransactionRate;
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double leaseDuration;
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HealthMetrics healthMetrics;
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Optional<PrioritizedTransactionTagMap<ClientTagThrottleLimits>> throttledTags;
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, transactionRate, batchTransactionRate, leaseDuration, healthMetrics, throttledTags);
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}
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};
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struct GetRateInfoRequest {
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constexpr static FileIdentifier file_identifier = 9068521;
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UID requesterID;
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int64_t totalReleasedTransactions;
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int64_t batchReleasedTransactions;
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TransactionTagMap<uint64_t> throttledTagCounts;
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bool detailed;
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ReplyPromise<struct GetRateInfoReply> reply;
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GetRateInfoRequest() {}
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GetRateInfoRequest(UID const& requesterID, int64_t totalReleasedTransactions, int64_t batchReleasedTransactions,
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TransactionTagMap<uint64_t> throttledTagCounts, bool detailed)
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: requesterID(requesterID), totalReleasedTransactions(totalReleasedTransactions),
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batchReleasedTransactions(batchReleasedTransactions), throttledTagCounts(throttledTagCounts),
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detailed(detailed) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, requesterID, totalReleasedTransactions, batchReleasedTransactions, throttledTagCounts, detailed,
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reply);
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}
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};
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struct HaltRatekeeperRequest {
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constexpr static FileIdentifier file_identifier = 6997218;
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UID requesterID;
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ReplyPromise<Void> reply;
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HaltRatekeeperRequest() {}
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explicit HaltRatekeeperRequest(UID uid) : requesterID(uid) {}
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template<class Ar>
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void serialize(Ar& ar) {
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serializer(ar, requesterID, reply);
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}
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};
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struct ReportCommitCostEstimationRequest {
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constexpr static FileIdentifier file_identifier = 8314904;
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UIDTransactionTagMap<TransactionCommitCostEstimation> ssTrTagCommitCost;
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ReplyPromise<Void> reply;
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ReportCommitCostEstimationRequest() {}
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ReportCommitCostEstimationRequest(UIDTransactionTagMap<TransactionCommitCostEstimation> ssTrTagCommitCost)
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: ssTrTagCommitCost(ssTrTagCommitCost) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, ssTrTagCommitCost, reply);
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}
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};
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#endif //FDBSERVER_RATEKEEPERINTERFACE_H
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