foundationdb/fdbserver/RestoreUtil.h

93 lines
2.6 KiB
C++

/*
* RestoreUtil.h
*
* 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.
*/
// This file defines the commonly used data structure and functions
// that are used by both RestoreWorker and RestoreRoles(Master, Loader, and Applier)
#ifndef FDBSERVER_RESTOREUTIL_H
#define FDBSERVER_RESTOREUTIL_H
#pragma once
#include "fdbclient/Tuple.h"
#include "flow/flow.h"
#include "flow/Stats.h"
#include "fdbrpc/TimedRequest.h"
#include "fdbrpc/fdbrpc.h"
#include "fdbrpc/IAsyncFile.h"
#include <cstdint>
#include <cstdarg>
enum class RestoreRole { Invalid = 0, Master = 1, Loader, Applier };
BINARY_SERIALIZABLE(RestoreRole);
std::string getRoleStr(RestoreRole role);
extern const std::vector<std::string> RestoreRoleStr;
extern int numRoles;
std::string getHexString(StringRef input);
// Fast restore operation configuration
// The initRestoreWorkerConfig function will reset the configuration params in simulation
struct FastRestoreOpConfig {
int num_loaders = 120;
int num_appliers = 40;
// transactionBatchSizeThreshold is used when applier applies multiple mutations in a transaction to DB
double transactionBatchSizeThreshold = 512; // 512 in Bytes
};
extern FastRestoreOpConfig opConfig;
struct RestoreCommonReply {
constexpr static FileIdentifier file_identifier = 56140435;
UID id; // unique ID of the server who sends the reply
RestoreCommonReply() = default;
explicit RestoreCommonReply(UID id) : id(id) {}
std::string toString() const {
std::stringstream ss;
ss << "ServerNodeID:" << id.toString();
return ss.str();
}
template <class Ar>
void serialize(Ar& ar) {
serializer(ar, id);
}
};
struct RestoreSimpleRequest : TimedRequest {
constexpr static FileIdentifier file_identifier = 83557801;
ReplyPromise<RestoreCommonReply> reply;
RestoreSimpleRequest() = default;
template <class Ar>
void serialize(Ar& ar) {
serializer(ar, reply);
}
std::string toString() const {
std::stringstream ss;
ss << "RestoreSimpleRequest";
return ss.str();
}
};
#endif // FDBSERVER_RESTOREUTIL_ACTOR_H