101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
/*
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* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
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*
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* This program is free software: you can use, redistribute, and/or modify
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* it under the terms of the GNU Affero General Public License, version 3
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* or later ("AGPL"), as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "meta.h"
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static FORCE_INLINE void *metaMalloc(void *pPool, size_t size) {
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return vnodeBufPoolMallocAligned((SVBufPool *)pPool, size);
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}
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static FORCE_INLINE void metaFree(void *pPool, void *p) { vnodeBufPoolFree((SVBufPool *)pPool, p); }
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// begin a meta txn
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int32_t metaBegin(SMeta *pMeta, int8_t heap) {
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int32_t code = 0;
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int32_t lino;
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void *(*xMalloc)(void *, size_t) = NULL;
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void (*xFree)(void *, void *) = NULL;
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void *xArg = NULL;
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// default heap to META_BEGIN_HEAP_NIL
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if (heap == META_BEGIN_HEAP_OS) {
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xMalloc = tdbDefaultMalloc;
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xFree = tdbDefaultFree;
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} else if (heap == META_BEGIN_HEAP_BUFFERPOOL) {
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xMalloc = metaMalloc;
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xFree = metaFree;
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xArg = pMeta->pVnode->inUse;
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}
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code = tdbBegin(pMeta->pEnv, &pMeta->txn, xMalloc, xFree, xArg, TDB_TXN_WRITE | TDB_TXN_READ_UNCOMMITTED);
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TSDB_CHECK_CODE(code, lino, _exit);
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code = tdbCommit(pMeta->pEnv, pMeta->txn);
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TSDB_CHECK_CODE(code, lino, _exit);
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_exit:
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if (code) {
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metaError("vgId:%d %s failed at %s:%d since %s", TD_VID(pMeta->pVnode), __func__, __FILE__, __LINE__,
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tstrerror(terrno));
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} else {
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metaDebug("vgId:%d %s success", TD_VID(pMeta->pVnode), __func__);
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}
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return 0;
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}
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// commit the meta txn
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TXN *metaGetTxn(SMeta *pMeta) { return pMeta->txn; }
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int metaCommit(SMeta *pMeta, TXN *txn) { return tdbCommit(pMeta->pEnv, txn); }
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int metaFinishCommit(SMeta *pMeta, TXN *txn) { return tdbPostCommit(pMeta->pEnv, txn); }
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int metaPrepareAsyncCommit(SMeta *pMeta) {
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// return tdbPrepareAsyncCommit(pMeta->pEnv, pMeta->txn);
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int code = 0;
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int32_t lino;
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metaWLock(pMeta);
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TAOS_UNUSED(ttlMgrFlush(pMeta->pTtlMgr, pMeta->txn));
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metaULock(pMeta);
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code = tdbCommit(pMeta->pEnv, pMeta->txn);
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TSDB_CHECK_CODE(code, lino, _exit);
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pMeta->changed = false;
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_exit:
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if (code) {
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metaError("vgId:%d %s failed at %s:%d since %s", TD_VID(pMeta->pVnode), __func__, __FILE__, __LINE__,
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tstrerror(terrno));
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} else {
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metaDebug("vgId:%d %s success", TD_VID(pMeta->pVnode), __func__);
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}
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return code;
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}
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// abort the meta txn
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int metaAbort(SMeta *pMeta) {
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if (!pMeta->txn) {
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return 0;
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}
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int code = tdbAbort(pMeta->pEnv, pMeta->txn);
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if (code) {
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metaError("vgId:%d, failed to abort meta since %s", TD_VID(pMeta->pVnode), tstrerror(terrno));
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} else {
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pMeta->txn = NULL;
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}
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return code;
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}
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