foundationdb/fdbserver/RatekeeperInterface.h

178 lines
5.3 KiB
C++

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