713 lines
24 KiB
C++
713 lines
24 KiB
C++
/*
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* RestoreWorkerInterface.actor.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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// This file declare and define the interface for RestoreWorker and restore roles
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// which are RestoreController, RestoreLoader, and RestoreApplier
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#pragma once
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#if defined(NO_INTELLISENSE) && !defined(FDBCLIENT_RESTORE_WORKER_INTERFACE_ACTOR_G_H)
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#define FDBCLIENT_RESTORE_WORKER_INTERFACE_ACTOR_G_H
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#include "fdbclient/RestoreWorkerInterface.actor.g.h"
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#elif !defined(FDBCLIENT_RESTORE_WORKER_INTERFACE_ACTOR_H)
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#define FDBCLIENT_RESTORE_WORKER_INTERFACE_ACTOR_H
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#include <sstream>
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#include <string>
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#include "flow/flow.h"
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#include "fdbrpc/fdbrpc.h"
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#include "fdbrpc/Locality.h"
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#include "fdbrpc/Stats.h"
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#include "fdbclient/FDBTypes.h"
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#include "fdbclient/CommitTransaction.h"
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#include "fdbserver/CoordinationInterface.h"
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#include "fdbserver/Knobs.h"
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#include "fdbserver/RestoreUtil.h"
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#include "flow/actorcompiler.h" // This must be the last #include.
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class RestoreConfigFR;
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struct RestoreCommonReply;
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struct RestoreRecruitRoleRequest;
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struct RestoreSysInfoRequest;
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struct RestoreLoadFileRequest;
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struct RestoreVersionBatchRequest;
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struct RestoreSendMutationsToAppliersRequest;
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struct RestoreSendVersionedMutationsRequest;
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struct RestoreSysInfo;
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struct RestoreApplierInterface;
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struct RestoreFinishRequest;
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struct RestoreSamplesRequest;
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struct RestoreUpdateRateRequest;
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// RestoreSysInfo includes information each (type of) restore roles should know.
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// At this moment, it only include appliers. We keep the name for future extension.
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// TODO: If it turns out this struct only has appliers in the final version, we will rename it to a more specific name, e.g., AppliersMap
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struct RestoreSysInfo {
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constexpr static FileIdentifier file_identifier = 68098739;
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std::map<UID, RestoreApplierInterface> appliers;
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RestoreSysInfo() = default;
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explicit RestoreSysInfo(const std::map<UID, RestoreApplierInterface> appliers) : appliers(appliers) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, appliers);
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}
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};
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struct RestoreWorkerInterface {
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constexpr static FileIdentifier file_identifier = 99601798;
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UID interfID;
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RequestStream<RestoreSimpleRequest> heartbeat;
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RequestStream<RestoreRecruitRoleRequest> recruitRole;
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RequestStream<RestoreSimpleRequest> terminateWorker;
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bool operator==(RestoreWorkerInterface const& r) const { return id() == r.id(); }
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bool operator!=(RestoreWorkerInterface const& r) const { return id() != r.id(); }
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UID id() const { return interfID; } // cmd.getEndpoint().token;
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NetworkAddress address() const { return recruitRole.getEndpoint().addresses.address; }
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void initEndpoints() {
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heartbeat.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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recruitRole.getEndpoint(TaskPriority::LoadBalancedEndpoint); // Q: Why do we need this?
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terminateWorker.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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interfID = deterministicRandom()->randomUniqueID();
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}
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//To change this serialization, ProtocolVersion::RestoreWorkerInterfaceValue must be updated, and downgrades need to be considered
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, interfID, heartbeat, recruitRole, terminateWorker);
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}
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};
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struct RestoreRoleInterface {
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constexpr static FileIdentifier file_identifier = 62531339;
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UID nodeID;
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RestoreRole role;
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RestoreRoleInterface() { role = RestoreRole::Invalid; }
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explicit RestoreRoleInterface(RestoreRoleInterface const& interf) : nodeID(interf.nodeID), role(interf.role){};
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UID id() const { return nodeID; }
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std::string toString() const {
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std::stringstream ss;
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ss << "Role:" << getRoleStr(role) << " interfID:" << nodeID.toString();
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return ss.str();
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}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, nodeID, role);
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}
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};
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struct RestoreLoaderInterface : RestoreRoleInterface {
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constexpr static FileIdentifier file_identifier = 84244651;
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RequestStream<RestoreSimpleRequest> heartbeat;
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RequestStream<RestoreSysInfoRequest> updateRestoreSysInfo;
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RequestStream<RestoreLoadFileRequest> loadFile;
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RequestStream<RestoreSendMutationsToAppliersRequest> sendMutations;
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RequestStream<RestoreVersionBatchRequest> initVersionBatch;
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RequestStream<RestoreVersionBatchRequest> finishVersionBatch;
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RequestStream<RestoreSimpleRequest> collectRestoreRoleInterfaces;
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RequestStream<RestoreFinishRequest> finishRestore;
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bool operator==(RestoreWorkerInterface const& r) const { return id() == r.id(); }
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bool operator!=(RestoreWorkerInterface const& r) const { return id() != r.id(); }
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RestoreLoaderInterface() {
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role = RestoreRole::Loader;
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nodeID = deterministicRandom()->randomUniqueID();
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}
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NetworkAddress address() const { return heartbeat.getEndpoint().addresses.address; }
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void initEndpoints() {
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// Endpoint in a later restore phase has higher priority
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heartbeat.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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updateRestoreSysInfo.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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initVersionBatch.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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loadFile.getEndpoint(TaskPriority::RestoreLoaderLoadFiles);
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sendMutations.getEndpoint(TaskPriority::RestoreLoaderSendMutations);
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finishVersionBatch.getEndpoint(TaskPriority::RestoreLoaderFinishVersionBatch);
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collectRestoreRoleInterfaces.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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finishRestore.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, *(RestoreRoleInterface*)this, heartbeat, updateRestoreSysInfo, loadFile, sendMutations,
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initVersionBatch, finishVersionBatch, collectRestoreRoleInterfaces, finishRestore);
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}
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};
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struct RestoreApplierInterface : RestoreRoleInterface {
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constexpr static FileIdentifier file_identifier = 54253048;
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RequestStream<RestoreSimpleRequest> heartbeat;
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RequestStream<RestoreSendVersionedMutationsRequest> sendMutationVector;
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RequestStream<RestoreVersionBatchRequest> applyToDB;
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RequestStream<RestoreVersionBatchRequest> initVersionBatch;
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RequestStream<RestoreSimpleRequest> collectRestoreRoleInterfaces;
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RequestStream<RestoreFinishRequest> finishRestore;
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RequestStream<RestoreUpdateRateRequest> updateRate;
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bool operator==(RestoreWorkerInterface const& r) const { return id() == r.id(); }
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bool operator!=(RestoreWorkerInterface const& r) const { return id() != r.id(); }
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RestoreApplierInterface() {
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role = RestoreRole::Applier;
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nodeID = deterministicRandom()->randomUniqueID();
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}
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NetworkAddress address() const { return heartbeat.getEndpoint().addresses.address; }
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void initEndpoints() {
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// Endpoint in a later restore phase has higher priority
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heartbeat.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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sendMutationVector.getEndpoint(TaskPriority::RestoreApplierReceiveMutations);
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applyToDB.getEndpoint(TaskPriority::RestoreApplierWriteDB);
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initVersionBatch.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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collectRestoreRoleInterfaces.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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finishRestore.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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updateRate.getEndpoint(TaskPriority::LoadBalancedEndpoint);
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}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, *(RestoreRoleInterface*)this, heartbeat, sendMutationVector, applyToDB, initVersionBatch,
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collectRestoreRoleInterfaces, finishRestore, updateRate);
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}
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std::string toString() const { return nodeID.toString(); }
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};
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struct RestoreControllerInterface : RestoreRoleInterface {
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constexpr static FileIdentifier file_identifier = 54253047;
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RequestStream<RestoreSamplesRequest> samples;
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bool operator==(RestoreWorkerInterface const& r) const { return id() == r.id(); }
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bool operator!=(RestoreWorkerInterface const& r) const { return id() != r.id(); }
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RestoreControllerInterface() {
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role = RestoreRole::Controller;
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nodeID = deterministicRandom()->randomUniqueID();
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}
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NetworkAddress address() const { return samples.getEndpoint().addresses.address; }
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void initEndpoints() { samples.getEndpoint(TaskPriority::LoadBalancedEndpoint); }
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, *(RestoreRoleInterface*)this, samples);
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}
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std::string toString() const { return nodeID.toString(); }
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};
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// RestoreAsset uniquely identifies the work unit done by restore roles;
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// It is used to ensure exact-once processing on restore loader and applier;
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// By combining all RestoreAssets across all verstion batches, restore should process all mutations in
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// backup range and log files up to the target restore version.
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struct RestoreAsset {
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UID uid;
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Version beginVersion, endVersion; // Only use mutation in [begin, end) versions;
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KeyRange range; // Only use mutations in range
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int fileIndex;
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// Partition ID for mutation log files, which is also encoded in the filename of mutation logs.
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int partitionId = -1;
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std::string filename;
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int64_t offset;
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int64_t len;
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Key addPrefix;
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Key removePrefix;
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int batchIndex; // for progress tracking and performance investigation
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RestoreAsset() = default;
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// Q: Can we simply use uid for == and use different comparison rule for less than operator.
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// The ordering of RestoreAsset may change, will that affect correctness or performance?
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bool operator==(const RestoreAsset& r) const {
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return batchIndex == r.batchIndex && beginVersion == r.beginVersion && endVersion == r.endVersion &&
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range == r.range && fileIndex == r.fileIndex && partitionId == r.partitionId && filename == r.filename &&
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offset == r.offset && len == r.len && addPrefix == r.addPrefix && removePrefix == r.removePrefix;
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}
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bool operator!=(const RestoreAsset& r) const {
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return !(*this == r);
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}
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bool operator<(const RestoreAsset& r) const {
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return std::make_tuple(batchIndex, fileIndex, filename, offset, len, beginVersion, endVersion, range.begin,
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range.end, addPrefix, removePrefix) <
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std::make_tuple(r.batchIndex, r.fileIndex, r.filename, r.offset, r.len, r.beginVersion, r.endVersion,
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r.range.begin, r.range.end, r.addPrefix, r.removePrefix);
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}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, uid, beginVersion, endVersion, range, filename, fileIndex, partitionId, offset, len, addPrefix,
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removePrefix, batchIndex);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "UID:" << uid.toString() << " begin:" << beginVersion << " end:" << endVersion
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<< " range:" << range.toString() << " filename:" << filename << " fileIndex:" << fileIndex
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<< " partitionId:" << partitionId << " offset:" << offset << " len:" << len
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<< " addPrefix:" << addPrefix.toString() << " removePrefix:" << removePrefix.toString()
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<< " BatchIndex:" << batchIndex;
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return ss.str();
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}
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bool hasPrefix() const { return addPrefix.size() > 0 || removePrefix.size() > 0; }
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// RestoreAsset and VersionBatch both use endVersion as exclusive in version range
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bool isInVersionRange(Version commitVersion) const {
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return commitVersion >= beginVersion && commitVersion < endVersion;
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}
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// Is mutation's begin and end keys are in RestoreAsset's range
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bool isInKeyRange(MutationRef mutation) const {
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if (hasPrefix()) {
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Key begin = range.begin; // Avoid creating new keys if we do not have addPrefix or removePrefix
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Key end = range.end;
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begin = begin.removePrefix(removePrefix).withPrefix(addPrefix);
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end = end.removePrefix(removePrefix).withPrefix(addPrefix);
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if (isRangeMutation(mutation)) {
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// Range mutation's right side is exclusive
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return mutation.param1 >= begin && mutation.param2 <= end;
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} else {
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return mutation.param1 >= begin && mutation.param1 < end;
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}
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} else {
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if (isRangeMutation(mutation)) {
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// Range mutation's right side is exclusive
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return mutation.param1 >= range.begin && mutation.param2 <= range.end;
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} else {
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return mutation.param1 >= range.begin && mutation.param1 < range.end;
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}
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}
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}
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};
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struct LoadingParam {
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constexpr static FileIdentifier file_identifier = 17023837;
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bool isRangeFile;
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Key url;
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Optional<Version> rangeVersion; // range file's version
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int64_t blockSize;
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RestoreAsset asset;
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LoadingParam() = default;
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// TODO: Compare all fields for loadingParam
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bool operator==(const LoadingParam& r) const { return isRangeFile == r.isRangeFile && asset == r.asset; }
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bool operator!=(const LoadingParam& r) const { return isRangeFile != r.isRangeFile || asset != r.asset; }
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bool operator<(const LoadingParam& r) const {
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return (isRangeFile < r.isRangeFile) || (isRangeFile == r.isRangeFile && asset < r.asset);
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}
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bool isPartitionedLog() const {
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return !isRangeFile && asset.partitionId >= 0;
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}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, isRangeFile, url, rangeVersion, blockSize, asset);
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}
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std::string toString() const {
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std::stringstream str;
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str << "isRangeFile:" << isRangeFile << " url:" << url.toString()
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<< " rangeVersion:" << (rangeVersion.present() ? rangeVersion.get() : -1) << " blockSize:" << blockSize
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<< " RestoreAsset:" << asset.toString();
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return str.str();
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}
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};
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struct RestoreRecruitRoleReply : TimedRequest {
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constexpr static FileIdentifier file_identifier = 30310092;
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UID id;
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RestoreRole role;
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Optional<RestoreLoaderInterface> loader;
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Optional<RestoreApplierInterface> applier;
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RestoreRecruitRoleReply() = default;
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explicit RestoreRecruitRoleReply(UID id, RestoreRole role, RestoreLoaderInterface const& loader)
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: id(id), role(role), loader(loader) {}
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explicit RestoreRecruitRoleReply(UID id, RestoreRole role, RestoreApplierInterface const& applier)
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: id(id), role(role), applier(applier) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, id, role, loader, applier);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "roleInterf role:" << getRoleStr(role) << " replyID:" << id.toString();
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if (loader.present()) {
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ss << "loader:" << loader.get().toString();
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}
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if (applier.present()) {
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ss << "applier:" << applier.get().toString();
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}
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return ss.str();
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}
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};
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struct RestoreRecruitRoleRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 87022360;
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RestoreControllerInterface ci;
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RestoreRole role;
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int nodeIndex; // Each role is a node
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ReplyPromise<RestoreRecruitRoleReply> reply;
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RestoreRecruitRoleRequest() : role(RestoreRole::Invalid) {}
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explicit RestoreRecruitRoleRequest(RestoreControllerInterface ci, RestoreRole role, int nodeIndex)
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: ci(ci), role(role), nodeIndex(nodeIndex) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, ci, role, nodeIndex, reply);
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}
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std::string printable() const {
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std::stringstream ss;
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ss << "RestoreRecruitRoleRequest Role:" << getRoleStr(role) << " NodeIndex:" << nodeIndex
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<< " RestoreController:" << ci.id().toString();
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return ss.str();
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}
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std::string toString() const { return printable(); }
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};
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// Static info. across version batches
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struct RestoreSysInfoRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 75960741;
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RestoreSysInfo sysInfo;
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Standalone<VectorRef<std::pair<KeyRangeRef, Version>>> rangeVersions;
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ReplyPromise<RestoreCommonReply> reply;
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RestoreSysInfoRequest() = default;
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explicit RestoreSysInfoRequest(RestoreSysInfo sysInfo,
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Standalone<VectorRef<std::pair<KeyRangeRef, Version>>> rangeVersions)
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: sysInfo(sysInfo), rangeVersions(rangeVersions) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, sysInfo, rangeVersions, reply);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "RestoreSysInfoRequest "
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<< "rangeVersions.size:" << rangeVersions.size();
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return ss.str();
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}
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};
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struct RestoreSamplesRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 34077901;
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UID id; // deduplicate data
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int batchIndex;
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SampledMutationsVec samples; // sampled mutations
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ReplyPromise<RestoreCommonReply> reply;
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RestoreSamplesRequest() = default;
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explicit RestoreSamplesRequest(UID id, int batchIndex, SampledMutationsVec samples)
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: id(id), batchIndex(batchIndex), samples(samples) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, id, batchIndex, samples, reply);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "ID:" << id.toString() << " BatchIndex:" << batchIndex << " samples:" << samples.size();
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return ss.str();
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}
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};
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struct RestoreLoadFileReply : TimedRequest {
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constexpr static FileIdentifier file_identifier = 34077902;
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LoadingParam param;
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bool isDuplicated; // true if loader thinks the request is a duplicated one
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RestoreLoadFileReply() = default;
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explicit RestoreLoadFileReply(LoadingParam param, bool isDuplicated) : param(param), isDuplicated(isDuplicated) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, param, isDuplicated);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "LoadingParam:" << param.toString() << " isDuplicated:" << isDuplicated;
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return ss.str();
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}
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};
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// Sample_Range_File and Assign_Loader_Range_File, Assign_Loader_Log_File
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struct RestoreLoadFileRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 26557364;
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int batchIndex;
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LoadingParam param;
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ReplyPromise<RestoreLoadFileReply> reply;
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RestoreLoadFileRequest() = default;
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explicit RestoreLoadFileRequest(int batchIndex, LoadingParam& param) : batchIndex(batchIndex), param(param){};
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bool operator<(RestoreLoadFileRequest const& rhs) const { return batchIndex > rhs.batchIndex; }
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, batchIndex, param, reply);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "RestoreLoadFileRequest batchIndex:" << batchIndex << " param:" << param.toString();
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return ss.str();
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}
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};
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struct RestoreSendMutationsToAppliersRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 68827305;
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int batchIndex; // version batch index
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std::map<Key, UID> rangeToApplier;
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bool useRangeFile; // Send mutations parsed from range file?
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ReplyPromise<RestoreCommonReply> reply;
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RestoreSendMutationsToAppliersRequest() = default;
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explicit RestoreSendMutationsToAppliersRequest(int batchIndex, std::map<Key, UID> rangeToApplier, bool useRangeFile)
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: batchIndex(batchIndex), rangeToApplier(rangeToApplier), useRangeFile(useRangeFile) {}
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bool operator<(RestoreSendMutationsToAppliersRequest const& rhs) const { return batchIndex > rhs.batchIndex; }
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, batchIndex, rangeToApplier, useRangeFile, reply);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "RestoreSendMutationsToAppliersRequest batchIndex:" << batchIndex
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<< " keyToAppliers.size:" << rangeToApplier.size() << " useRangeFile:" << useRangeFile;
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return ss.str();
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}
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};
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struct RestoreSendVersionedMutationsRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 69764565;
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int batchIndex; // version batch index
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RestoreAsset asset; // Unique identifier for the current restore asset
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Version msgIndex; // Monitonically increasing index of mutation messages
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bool isRangeFile;
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VersionedMutationsVec versionedMutations; // Versioned mutations may be at different versions parsed by one loader
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ReplyPromise<RestoreCommonReply> reply;
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RestoreSendVersionedMutationsRequest() = default;
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explicit RestoreSendVersionedMutationsRequest(int batchIndex, const RestoreAsset& asset, Version msgIndex,
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bool isRangeFile, VersionedMutationsVec versionedMutations)
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: batchIndex(batchIndex), asset(asset), msgIndex(msgIndex), isRangeFile(isRangeFile),
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versionedMutations(versionedMutations) {}
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std::string toString() const {
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std::stringstream ss;
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ss << "VersionBatchIndex:" << batchIndex << " msgIndex:" << msgIndex << " isRangeFile:" << isRangeFile
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<< " versionedMutations.size:" << versionedMutations.size() << " RestoreAsset:" << asset.toString();
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return ss.str();
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}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, batchIndex, asset, msgIndex, isRangeFile, versionedMutations, reply);
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}
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};
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struct RestoreVersionBatchRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 97223537;
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int batchIndex;
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ReplyPromise<RestoreCommonReply> reply;
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RestoreVersionBatchRequest() = default;
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explicit RestoreVersionBatchRequest(int batchIndex) : batchIndex(batchIndex) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, batchIndex, reply);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "RestoreVersionBatchRequest batchIndex:" << batchIndex;
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return ss.str();
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}
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};
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struct RestoreFinishRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 13018413;
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bool terminate; // role exits if terminate = true
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ReplyPromise<RestoreCommonReply> reply;
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RestoreFinishRequest() = default;
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explicit RestoreFinishRequest(bool terminate) : terminate(terminate) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, terminate, reply);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "RestoreFinishRequest terminate:" << terminate;
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return ss.str();
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}
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};
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struct RestoreUpdateRateReply : TimedRequest {
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constexpr static FileIdentifier file_identifier = 13018414;
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UID id;
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double remainMB; // remaining data in MB to write to DB;
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RestoreUpdateRateReply() = default;
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explicit RestoreUpdateRateReply(UID id, double remainMB) : id(id), remainMB(remainMB) {}
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std::string toString() const {
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std::stringstream ss;
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ss << "RestoreUpdateRateReply NodeID:" << id.toString() << " remainMB:" << remainMB;
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return ss.str();
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}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, id, remainMB);
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}
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};
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struct RestoreUpdateRateRequest : TimedRequest {
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constexpr static FileIdentifier file_identifier = 13018415;
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int batchIndex;
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double writeMB;
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ReplyPromise<RestoreUpdateRateReply> reply;
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RestoreUpdateRateRequest() = default;
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explicit RestoreUpdateRateRequest(int batchIndex, double writeMB) : batchIndex(batchIndex), writeMB(writeMB) {}
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, batchIndex, writeMB, reply);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "RestoreUpdateRateRequest batchIndex:" << batchIndex << " writeMB:" << writeMB;
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return ss.str();
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}
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};
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struct RestoreRequest {
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constexpr static FileIdentifier file_identifier = 49589770;
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int index;
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Key tagName;
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Key url;
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Version targetVersion;
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KeyRange range;
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UID randomUid;
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// Every key in backup will first removePrefix and then addPrefix;
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// Simulation testing does not cover when both addPrefix and removePrefix exist yet.
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Key addPrefix;
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Key removePrefix;
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ReplyPromise<struct RestoreCommonReply> reply;
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RestoreRequest() = default;
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explicit RestoreRequest(const int index, const Key& tagName, const Key& url, Version targetVersion,
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const KeyRange& range, const UID& randomUid, Key& addPrefix, Key removePrefix)
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: index(index), tagName(tagName), url(url), targetVersion(targetVersion), range(range), randomUid(randomUid),
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addPrefix(addPrefix), removePrefix(removePrefix) {}
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//To change this serialization, ProtocolVersion::RestoreRequestValue must be updated, and downgrades need to be considered
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template <class Ar>
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void serialize(Ar& ar) {
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serializer(ar, index, tagName, url, targetVersion, range, randomUid, addPrefix, removePrefix, reply);
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}
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std::string toString() const {
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std::stringstream ss;
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ss << "index:" << std::to_string(index) << " tagName:" << tagName.contents().toString()
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<< " url:" << url.contents().toString() << " targetVersion:" << std::to_string(targetVersion)
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<< " range:" << range.toString() << " randomUid:" << randomUid.toString()
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<< " addPrefix:" << addPrefix.toString() << " removePrefix:" << removePrefix.toString();
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return ss.str();
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}
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};
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std::string getRoleStr(RestoreRole role);
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////--- Interface functions
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ACTOR Future<Void> _restoreWorker(Database cx, LocalityData locality);
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ACTOR Future<Void> restoreWorker(Reference<ClusterConnectionFile> ccf, LocalityData locality, std::string coordFolder);
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#include "flow/unactorcompiler.h"
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#endif
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