50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
/*
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* ClientDBInfo.h
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FDBCLIENT_CLIENTDBINFO_H
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#define FDBCLIENT_CLIENTDBINFO_H
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#pragma once
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#include "fdbclient/MasterProxyInterface.h"
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// ClientDBInfo is all the information needed by a database client to access the database
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// It is returned (and kept up to date) by the OpenDatabaseRequest interface of ClusterInterface
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struct ClientDBInfo {
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constexpr static FileIdentifier file_identifier = 5355080;
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UID id; // Changes each time anything else changes
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vector< MasterProxyInterface > proxies;
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double clientTxnInfoSampleRate;
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int64_t clientTxnInfoSizeLimit;
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ClientDBInfo() : clientTxnInfoSampleRate(std::numeric_limits<double>::infinity()), clientTxnInfoSizeLimit(-1) {}
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bool operator == (ClientDBInfo const& r) const { return id == r.id; }
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bool operator != (ClientDBInfo const& r) const { return id != r.id; }
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template <class Archive>
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void serialize(Archive& ar) {
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if constexpr (!is_fb_function<Archive>) {
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ASSERT(ar.protocolVersion() >= 0x0FDB00A200040001LL);
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}
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serializer(ar, proxies, id, clientTxnInfoSampleRate, clientTxnInfoSizeLimit);
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}
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};
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#endif
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