foundationdb/fdbclient/RestoreInterface.cpp

57 lines
1.8 KiB
C++

/*
* RestoreInterface.h
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2024 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.
*/
#include "fdbclient/RestoreInterface.h"
#include "flow/serialize.h"
const KeyRef restoreRequestDoneKey = "\xff\x02/restoreRequestDone"_sr;
const KeyRef restoreRequestTriggerKey = "\xff\x02/restoreRequestTrigger"_sr;
const KeyRangeRef restoreRequestKeys("\xff\x02/restoreRequests/"_sr, "\xff\x02/restoreRequests0"_sr);
// Encode and decode restore request value
Value restoreRequestTriggerValue(UID randomID, int numRequests) {
BinaryWriter wr(IncludeVersion(ProtocolVersion::withRestoreRequestTriggerValue()));
wr << numRequests;
wr << randomID;
return wr.toValue();
}
int decodeRestoreRequestTriggerValue(ValueRef const& value) {
int s;
UID randomID;
BinaryReader reader(value, IncludeVersion());
reader >> s;
reader >> randomID;
return s;
}
Key restoreRequestKeyFor(int index) {
BinaryWriter wr(Unversioned());
wr.serializeBytes(restoreRequestKeys.begin);
wr << index;
return wr.toValue();
}
Value restoreRequestValue(RestoreRequest const& request) {
BinaryWriter wr(IncludeVersion(ProtocolVersion::withRestoreRequestValue()));
wr << request;
return wr.toValue();
}