77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
/*
|
|
* ClientVersion.h
|
|
*
|
|
* This source file is part of the FoundationDB open source project
|
|
*
|
|
* Copyright 2013-2021 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 FDBCLIENT_CLIENT_VERSION_H
|
|
#define FDBCLIENT_CLIENT_VERSION_H
|
|
#pragma once
|
|
|
|
#include "flow/Arena.h"
|
|
|
|
struct ClientVersionRef {
|
|
StringRef clientVersion;
|
|
StringRef sourceVersion;
|
|
StringRef protocolVersion;
|
|
|
|
ClientVersionRef() { initUnknown(); }
|
|
|
|
ClientVersionRef(Arena& arena, ClientVersionRef const& cv)
|
|
: clientVersion(arena, cv.clientVersion), sourceVersion(arena, cv.sourceVersion),
|
|
protocolVersion(arena, cv.protocolVersion) {}
|
|
ClientVersionRef(StringRef clientVersion, StringRef sourceVersion, StringRef protocolVersion)
|
|
: clientVersion(clientVersion), sourceVersion(sourceVersion), protocolVersion(protocolVersion) {}
|
|
ClientVersionRef(StringRef versionString) {
|
|
std::vector<StringRef> parts = versionString.splitAny(LiteralStringRef(","));
|
|
if (parts.size() != 3) {
|
|
initUnknown();
|
|
return;
|
|
}
|
|
clientVersion = parts[0];
|
|
sourceVersion = parts[1];
|
|
protocolVersion = parts[2];
|
|
}
|
|
|
|
void initUnknown() {
|
|
clientVersion = LiteralStringRef("Unknown");
|
|
sourceVersion = LiteralStringRef("Unknown");
|
|
protocolVersion = LiteralStringRef("Unknown");
|
|
}
|
|
|
|
template <class Ar>
|
|
void serialize(Ar& ar) {
|
|
serializer(ar, clientVersion, sourceVersion, protocolVersion);
|
|
}
|
|
|
|
size_t expectedSize() const { return clientVersion.size() + sourceVersion.size() + protocolVersion.size(); }
|
|
|
|
bool operator<(const ClientVersionRef& rhs) const {
|
|
if (protocolVersion != rhs.protocolVersion) {
|
|
return protocolVersion < rhs.protocolVersion;
|
|
}
|
|
|
|
// These comparisons are arbitrary because they aren't ordered
|
|
if (clientVersion != rhs.clientVersion) {
|
|
return clientVersion < rhs.clientVersion;
|
|
}
|
|
|
|
return sourceVersion < rhs.sourceVersion;
|
|
}
|
|
};
|
|
|
|
#endif |