43 lines
1.7 KiB
C
43 lines
1.7 KiB
C
/*
|
|
* Copyright (c) 2019 TAOS Data, Inc. <cli@taosdata.com>
|
|
*
|
|
* This program is free software: you can use, redistribute, and/or modify
|
|
* it under the terms of the GNU Affero General Public License, version 3
|
|
* or later ("AGPL"), 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.
|
|
*
|
|
* 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/>.
|
|
*/
|
|
|
|
#ifndef TD_SYNC_RAFT_CONFIG_CHANGE_H
|
|
#define TD_SYNC_RAFT_CONFIG_CHANGE_H
|
|
|
|
#include "sync_type.h"
|
|
#include "sync_raft_proto.h"
|
|
|
|
/**
|
|
* Changer facilitates configuration changes. It exposes methods to handle
|
|
* simple and joint consensus while performing the proper validation that allows
|
|
* refusing invalid configuration changes before they affect the active
|
|
* configuration.
|
|
**/
|
|
struct SSyncRaftChanger {
|
|
SSyncRaftProgressTracker* tracker;
|
|
SyncIndex lastIndex;
|
|
};
|
|
|
|
typedef int (*configChangeFp)(SSyncRaftChanger* changer, const SSyncConfChangeSingleArray* css,
|
|
SSyncRaftProgressTrackerConfig* config, SSyncRaftProgressMap* progressMap);
|
|
|
|
int syncRaftChangerSimpleConfig(SSyncRaftChanger* changer, const SSyncConfChangeSingleArray* css,
|
|
SSyncRaftProgressTrackerConfig* config, SSyncRaftProgressMap* progressMap);
|
|
|
|
int syncRaftChangerEnterJoint(SSyncRaftChanger* changer, bool autoLeave, const SSyncConfChangeSingleArray* css,
|
|
SSyncRaftProgressTrackerConfig* config, SSyncRaftProgressMap* progressMap);
|
|
|
|
#endif /* TD_SYNC_RAFT_CONFIG_CHANGE_H */
|