47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
/*
|
|
* ClientDBInfo.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.
|
|
*/
|
|
|
|
#ifndef FDBCLIENT_CLIENTDBINFO_H
|
|
#define FDBCLIENT_CLIENTDBINFO_H
|
|
#pragma once
|
|
|
|
#include "fdbclient/MasterProxyInterface.h"
|
|
|
|
// ClientDBInfo is all the information needed by a database client to access the database
|
|
// It is returned (and kept up to date) by the OpenDatabaseRequest interface of ClusterInterface
|
|
struct ClientDBInfo {
|
|
UID id; // Changes each time anything else changes
|
|
vector< MasterProxyInterface > proxies;
|
|
double clientTxnInfoSampleRate;
|
|
int64_t clientTxnInfoSizeLimit;
|
|
ClientDBInfo() : clientTxnInfoSampleRate(std::numeric_limits<double>::infinity()), clientTxnInfoSizeLimit(-1) {}
|
|
|
|
bool operator == (ClientDBInfo const& r) const { return id == r.id; }
|
|
bool operator != (ClientDBInfo const& r) const { return id != r.id; }
|
|
|
|
template <class Archive>
|
|
void serialize(Archive& ar) {
|
|
ASSERT( ar.protocolVersion() >= 0x0FDB00A200040001LL );
|
|
serializer(ar, proxies, id, clientTxnInfoSampleRate, clientTxnInfoSizeLimit);
|
|
}
|
|
};
|
|
|
|
#endif
|