TDengine/source/dnode/mnode/impl/src/mndSync.c
2021-12-25 14:41:20 +08:00

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1.8 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/>.
*/
#define _DEFAULT_SOURCE
#include "mndSync.h"
int32_t mndInitSync(SMnode *pMnode) {
SSyncMgmt *pMgmt = &pMnode->syncMgmt;
tsem_init(&pMgmt->syncSem, 0, 0);
pMgmt->state = TAOS_SYNC_STATE_LEADER;
pMgmt->pSyncNode = NULL;
return 0;
}
void mndCleanupSync(SMnode *pMnode) {
SSyncMgmt *pMgmt = &pMnode->syncMgmt;
tsem_destroy(&pMgmt->syncSem);
}
static int32_t mndSyncApplyCb(struct SSyncFSM *fsm, SyncIndex index, const SSyncBuffer *buf, void *pData) {
SMnode *pMnode = pData;
SSyncMgmt *pMgmt = &pMnode->syncMgmt;
pMgmt->errCode = 0;
tsem_post(&pMgmt->syncSem);
return 0;
}
int32_t mndSyncPropose(SMnode *pMnode, SSdbRaw *pRaw) {
#if 1
return 0;
#else
if (pMnode->replica == 1) return 0;
SSyncMgmt *pMgmt = &pMnode->syncMgmt;
pMgmt->errCode = 0;
SSyncBuffer buf = {.data = pRaw, .len = sdbGetRawTotalSize(pRaw)};
bool isWeak = false;
int32_t code = syncPropose(pMgmt->pSyncNode, &buf, pMnode, isWeak);
if (code != 0) return code;
tsem_wait(&pMgmt->syncSem);
return pMgmt->errCode;
#endif
}
bool mndIsMaster(SMnode *pMnode) {
SSyncMgmt *pMgmt = &pMnode->syncMgmt;
return pMgmt->state == TAOS_SYNC_STATE_LEADER;
}