mirror of
https://github.com/taosdata/TDengine
synced 2026-05-24 10:09:01 +00:00
120 lines
No EOL
3.2 KiB
C
120 lines
No EOL
3.2 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 "tsdb.h"
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static int tsdbSetKeepCfg(STsdbKeepCfg *pKeepCfg, STsdbCfg *pCfg);
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// implementation
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static int tsdbSetKeepCfg(STsdbKeepCfg *pKeepCfg, STsdbCfg *pCfg) {
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pKeepCfg->precision = pCfg->precision;
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pKeepCfg->days = pCfg->days;
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pKeepCfg->keep0 = pCfg->keep0;
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pKeepCfg->keep1 = pCfg->keep1;
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pKeepCfg->keep2 = pCfg->keep2;
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return 0;
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}
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/**
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* @brief
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*
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* @param pVnode
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* @param ppTsdb
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* @param dir
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* @return int
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*/
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int tsdbOpen(SVnode *pVnode, STsdb **ppTsdb, const char *dir, STsdbKeepCfg *pKeepCfg) {
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STsdb *pTsdb = NULL;
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int slen = 0;
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*ppTsdb = NULL;
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slen = strlen(tfsGetPrimaryPath(pVnode->pTfs)) + strlen(pVnode->path) + strlen(dir) + 3;
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// create handle
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pTsdb = (STsdb *)taosMemoryCalloc(1, sizeof(*pTsdb) + slen);
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if (pTsdb == NULL) {
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terrno = TSDB_CODE_OUT_OF_MEMORY;
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return -1;
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}
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ASSERT(strlen(dir) < TSDB_DATA_DIR_LEN);
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memcpy(pTsdb->dir, dir, strlen(dir));
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pTsdb->path = (char *)&pTsdb[1];
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sprintf(pTsdb->path, "%s%s%s%s%s", tfsGetPrimaryPath(pVnode->pTfs), TD_DIRSEP, pVnode->path, TD_DIRSEP, dir);
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taosRealPath(pTsdb->path, NULL, slen);
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pTsdb->pVnode = pVnode;
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pTsdb->repoLocked = false;
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taosThreadMutexInit(&pTsdb->mutex, NULL);
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if (!pKeepCfg) {
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tsdbSetKeepCfg(&pTsdb->keepCfg, &pVnode->config.tsdbCfg);
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} else {
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memcpy(&pTsdb->keepCfg, pKeepCfg, sizeof(STsdbKeepCfg));
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}
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pTsdb->fs = tsdbNewFS(REPO_KEEP_CFG(pTsdb));
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// create dir (TODO: use tfsMkdir)
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taosMkDir(pTsdb->path);
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// open tsdb
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if (tsdbOpenFS(pTsdb) < 0) {
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goto _err;
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}
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tsdbDebug("vgId:%d tsdb is opened for %s, days:%d, keep:%d,%d,%d", TD_VID(pVnode), pTsdb->path, pTsdb->keepCfg.days,
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pTsdb->keepCfg.keep0, pTsdb->keepCfg.keep1, pTsdb->keepCfg.keep2);
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*ppTsdb = pTsdb;
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return 0;
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_err:
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taosMemoryFree(pTsdb);
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return -1;
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}
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int tsdbClose(STsdb **pTsdb) {
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if (*pTsdb) {
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// TODO: destroy mem/imem
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taosThreadMutexDestroy(&(*pTsdb)->mutex);
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tsdbCloseFS(*pTsdb);
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tsdbFreeFS((*pTsdb)->fs);
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taosMemoryFreeClear(*pTsdb);
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}
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return 0;
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}
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int tsdbLockRepo(STsdb *pTsdb) {
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int code = taosThreadMutexLock(&pTsdb->mutex);
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if (code != 0) {
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tsdbError("vgId:%d failed to lock tsdb since %s", REPO_ID(pTsdb), strerror(errno));
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terrno = TAOS_SYSTEM_ERROR(code);
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return -1;
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}
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pTsdb->repoLocked = true;
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return 0;
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}
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int tsdbUnlockRepo(STsdb *pTsdb) {
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ASSERT(IS_REPO_LOCKED(pTsdb));
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pTsdb->repoLocked = false;
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int code = taosThreadMutexUnlock(&pTsdb->mutex);
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if (code != 0) {
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tsdbError("vgId:%d failed to unlock tsdb since %s", REPO_ID(pTsdb), strerror(errno));
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terrno = TAOS_SYSTEM_ERROR(code);
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return -1;
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}
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return 0;
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} |