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

49 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_REQUEST_VOTE_REPLY_H
#define _TD_LIBS_SYNC_REQUEST_VOTE_REPLY_H
#ifdef __cplusplus
extern "C" {
#endif
#include "syncInt.h"
// TLA+ Spec
// HandleRequestVoteResponse(i, j, m) ==
// \* This tallies votes even when the current state is not Candidate, but
// \* they won't be looked at, so it doesn't matter.
// /\ m.mterm = currentTerm[i]
// /\ votesResponded' = [votesResponded EXCEPT ![i] =
// votesResponded[i] \cup {j}]
// /\ \/ /\ m.mvoteGranted
// /\ votesGranted' = [votesGranted EXCEPT ![i] =
// votesGranted[i] \cup {j}]
// /\ voterLog' = [voterLog EXCEPT ![i] =
// voterLog[i] @@ (j :> m.mlog)]
// \/ /\ ~m.mvoteGranted
// /\ UNCHANGED <<votesGranted, voterLog>>
// /\ Discard(m)
// /\ UNCHANGED <<serverVars, votedFor, leaderVars, logVars>>
//
int32_t syncNodeOnRequestVoteReply(SSyncNode* ths, const SRpcMsg* pMsg);
#ifdef __cplusplus
}
#endif
#endif /*_TD_LIBS_SYNC_REQUEST_VOTE_REPLY_H*/