homework-jianmu/source/dnode/vnode/src/vnd/vnodeCompact.c

75 lines
1.9 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/>.
*/
#include "vnd.h"
extern void vnodePrepareCommit(SVnode *pVnode);
static int32_t vnodeCompactImpl(SCommitInfo *pInfo) {
int32_t code = 0;
// TODO
return code;
}
static int32_t vnodeCompactTask(void *param) {
int32_t code = 0;
SCommitInfo *pInfo = (SCommitInfo *)param;
// compact
vnodeCompactImpl(pInfo);
// end compact
tsem_post(&pInfo->pVnode->canCommit);
_exit:
taosMemoryFree(pInfo);
return code;
}
int32_t vnodeAsyncCompact(SVnode *pVnode) {
int32_t code = 0;
// prepare
vnodePrepareCommit(pVnode);
// schedule compact task
SCommitInfo *pInfo = taosMemoryCalloc(1, sizeof(*pInfo));
if (NULL == pInfo) {
code = TSDB_CODE_OUT_OF_MEMORY;
goto _exit;
}
pInfo->info.config = pVnode->config;
pInfo->info.state.committed = pVnode->state.applied;
pInfo->info.state.commitTerm = pVnode->state.applyTerm;
pInfo->info.state.commitID = pVnode->state.commitID;
pInfo->pVnode = pVnode;
pInfo->txn = metaGetTxn(pVnode->pMeta);
vnodeScheduleTask(vnodeCompactTask, pInfo);
_exit:
if (code) {
vError("vgId:%d %s failed since %s", TD_VID(pInfo->pVnode), __func__, tstrerror(code));
}
return code;
}
int32_t vnodeSyncCompact(SVnode *pVnode) {
vnodeAsyncCompact(pVnode);
tsem_wait(&pVnode->canCommit);
tsem_post(&pVnode->canCommit);
return 0;
}