mirror of
https://github.com/apple/foundationdb.git
synced 2025-06-02 19:25:52 +08:00
116608a0a7
For backup workers created for previous epoch, we need to associate them with the correct epoch so that later peekLogRouter can get the correct peek cursor. Otherwise, the workers can never peek the missing range of mutations.
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*
|
|
* BackupInterface.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_BACKUPINTERFACE_H
|
|
#define FDBSERVER_BACKUPINTERFACE_H
|
|
|
|
#include "fdbclient/FDBTypes.h"
|
|
#include "fdbrpc/fdbrpc.h"
|
|
#include "fdbrpc/Locality.h"
|
|
|
|
// The interface for backup workers.
|
|
struct BackupInterface {
|
|
constexpr static FileIdentifier file_identifier = 6762745;
|
|
RequestStream<ReplyPromise<Void>> waitFailure;
|
|
RequestStream<struct HaltBackupRequest> haltBackup;
|
|
struct LocalityData locality;
|
|
LogEpoch backupEpoch;
|
|
UID myId;
|
|
|
|
BackupInterface() = default;
|
|
explicit BackupInterface(const struct LocalityData& l, UID id, LogEpoch epoch)
|
|
: locality(l), myId(id), backupEpoch(epoch) {}
|
|
|
|
void initEndpoints() {}
|
|
UID id() const { return myId; }
|
|
NetworkAddress address() const { return waitFailure.getEndpoint().getPrimaryAddress(); }
|
|
UID getToken() const { return haltBackup.getEndpoint().token; }
|
|
bool operator== (const BackupInterface& r) const {
|
|
return id() == r.id();
|
|
}
|
|
bool operator!= (const BackupInterface& r) const {
|
|
return !(*this == r);
|
|
}
|
|
|
|
template <class Archive>
|
|
void serialize(Archive& ar) {
|
|
serializer(ar, waitFailure, haltBackup, locality, backupEpoch, myId);
|
|
}
|
|
};
|
|
|
|
struct HaltBackupRequest {
|
|
constexpr static FileIdentifier file_identifier = 4212277;
|
|
UID requesterID;
|
|
ReplyPromise<Void> reply;
|
|
|
|
HaltBackupRequest() = default;
|
|
explicit HaltBackupRequest(UID uid) : requesterID(uid) {}
|
|
|
|
template<class Ar>
|
|
void serialize(Ar& ar) {
|
|
serializer(ar, requesterID, reply);
|
|
}
|
|
};
|
|
|
|
#endif //FDBSERVER_BACKUPINTERFACE_H
|