homework-jianmu/source/libs/sync/inc/syncAppendEntriesReply.h

51 lines
1.7 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@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_LIBS_SYNC_APPEND_ENTRIES_REPLY_H
#define _TD_LIBS_SYNC_APPEND_ENTRIES_REPLY_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include "syncInt.h"
#include "syncMessage.h"
#include "taosdef.h"
// TLA+ Spec
// HandleAppendEntriesResponse(i, j, m) ==
// /\ m.mterm = currentTerm[i]
// /\ \/ /\ m.msuccess \* successful
// /\ nextIndex' = [nextIndex EXCEPT ![i][j] = m.mmatchIndex + 1]
// /\ matchIndex' = [matchIndex EXCEPT ![i][j] = m.mmatchIndex]
// \/ /\ \lnot m.msuccess \* not successful
// /\ nextIndex' = [nextIndex EXCEPT ![i][j] =
// Max({nextIndex[i][j] - 1, 1})]
// /\ UNCHANGED <<matchIndex>>
// /\ Discard(m)
// /\ UNCHANGED <<serverVars, candidateVars, logVars, elections>>
//
int32_t syncNodeOnAppendEntriesReplyCb(SSyncNode* ths, SyncAppendEntriesReply* pMsg);
int32_t syncNodeOnAppendEntriesReplySnapshotCb(SSyncNode* ths, SyncAppendEntriesReply* pMsg);
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_APPEND_ENTRIES_REPLY_H*/