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/**
* Copyright (C) 2019-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/client/sdam/sdam_datatypes.h"
namespace mongo::sdam {
class SdamConfiguration {
public:
SdamConfiguration() : SdamConfiguration(boost::none){};
/**
* Initialize the TopologyDescription. This constructor may uassert if the provided
* configuration options are not valid according to the Server Discovery & Monitoring Spec.
*
* Initial Servers
* initial servers may be set to a seed list of one or more server addresses.
*
* Initial TopologyType
* The initial TopologyType may be set to Single, Unknown, or ReplicaSetNoPrimary.
*
* Initial setName
* The client's initial replica set name is required in order to initially configure the
* topology type as ReplicaSetNoPrimary.
*
* Allowed configuration combinations
* TopologyType Single cannot be used with multiple seeds.
* If setName is not null, only TopologyType ReplicaSetNoPrimary and Single, are
* allowed.
*/
explicit SdamConfiguration(boost::optional<std::vector<ServerAddress>> seedList,
TopologyType initialType = TopologyType::kUnknown,
Milliseconds heartBeatFrequencyMs = kDefaultHeartbeatFrequencyMs,
boost::optional<std::string> setName = boost::none);
const boost::optional<std::vector<ServerAddress>>& getSeedList() const;
TopologyType getInitialType() const;
Milliseconds getHeartBeatFrequency() const;
const boost::optional<std::string>& getSetName() const;
static constexpr Milliseconds kDefaultHeartbeatFrequencyMs = Seconds(10);
static constexpr Milliseconds kMinHeartbeatFrequencyMS = Milliseconds(500);
static constexpr Milliseconds kDefaultConnectTimeoutMS = Milliseconds(100);
private:
boost::optional<std::vector<ServerAddress>> _seedList;
TopologyType _initialType;
Milliseconds _heartBeatFrequencyMs;
boost::optional<std::string> _setName;
};
class ServerSelectionConfiguration {
public:
explicit ServerSelectionConfiguration(const Milliseconds localThresholdMs,
const Milliseconds serverSelectionTimeoutMs);
Milliseconds getLocalThresholdMs() const;
Milliseconds getServerSelectionTimeoutMs() const;
Milliseconds getHeartBeatFrequencyMs() const;
static constexpr Milliseconds kDefaultLocalThresholdMS = Milliseconds(15);
static constexpr Milliseconds kDefaultServerSelectionTimeoutMs = Milliseconds(30000);
static ServerSelectionConfiguration defaultConfiguration() {
return ServerSelectionConfiguration{kDefaultLocalThresholdMS,
kDefaultServerSelectionTimeoutMs};
}
private:
Milliseconds _localThresholdMs = kDefaultLocalThresholdMS;
Milliseconds _serverSelectionTimeoutMs = kDefaultServerSelectionTimeoutMs;
Milliseconds _heartBeatFrequencyMs = SdamConfiguration::kDefaultHeartbeatFrequencyMs;
};
} // namespace mongo::sdam
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