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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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 <string>
#include "mongo/util/net/hostandport.h"
namespace mongo {
class BSONObj;
class BSONObjBuilder;
class Status;
namespace repl {
/**
* Arguments to the replSetHeartbeat command.
*/
class ReplSetHeartbeatArgsV1 {
public:
/**
* Initializes this ReplSetHeartbeatArgsV1 from the contents of args.
*/
Status initialize(const BSONObj& argsObj);
/**
* Returns true if all required fields have been initialized.
*/
bool isInitialized() const;
/**
* Gets the ReplSetConfig version number of the sender.
*/
long long getConfigVersion() const {
return _configVersion;
}
/**
* Gets the heartbeat version number of the sender. This field was added to ensure that
* heartbeats sent from featureCompatibilityVersion 3.6 nodes to binary version 3.4 nodes fail.
*/
long long getHeartbeatVersion() const {
return _heartbeatVersion;
}
/**
* Gets the _id of the sender in their ReplSetConfig.
*/
long long getSenderId() const {
return _senderId;
}
/**
* Gets the HostAndPort of the sender.
*/
HostAndPort getSenderHost() const {
return _senderHost;
}
/**
* Gets the replSet name of the sender's replica set.
*/
std::string getSetName() const {
return _setName;
}
/**
* Gets the term the sender believes it to be.
*/
long long getTerm() const {
return _term;
}
/**
* Returns whether or not the sender is checking for emptiness.
*/
bool hasCheckEmpty() const {
return _checkEmpty;
}
/**
* Returns whether or not the HostAndPort of the sender is set.
*/
bool hasSender() const {
return _hasSender;
}
/**
* Returns whether or not the heartbeat version of the sender is set.
*/
bool hasHeartbeatVersion() const {
return _hasHeartbeatVersion;
}
/**
* The below methods set the value in the method name to 'newVal'.
*/
void setConfigVersion(long long newVal);
void setHeartbeatVersion(long long newVal);
void setSenderId(long long newVal);
void setSenderHost(const HostAndPort& newVal);
void setSetName(const std::string& newVal);
void setTerm(long long newVal);
void setCheckEmpty();
/**
* Returns a BSONified version of the object.
* Should only be called if the mandatory fields have been set.
* Optional fields are only included if they have been set.
*/
BSONObj toBSON() const;
void addToBSON(BSONObjBuilder* builder) const;
private:
// look at the body of the isInitialized() function to see which fields are mandatory
long long _configVersion = -1;
long long _heartbeatVersion = -1;
long long _senderId = -1;
long long _term = -1;
bool _checkEmpty = false;
bool _hasSender = false;
bool _hasHeartbeatVersion = false;
std::string _setName;
HostAndPort _senderHost;
};
} // namespace repl
} // namespace mongo
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