homework-jianmu/source/dnode/vnode/src/inc/tsdbSma.h

89 lines
2.5 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_TSDB_SMA_H_
#define _TD_TSDB_SMA_H_
#define TSDB_SMA_TEST // remove after test finished
typedef struct SSmaStat SSmaStat;
typedef struct SSmaEnv SSmaEnv;
typedef struct SSmaEnvs SSmaEnvs;
struct SSmaEnv {
TdThreadRwlock lock;
SDiskID did;
TDBEnv dbEnv; // TODO: If it's better to put it in smaIndex level?
char *path; // relative path
SSmaStat *pStat;
};
#define SMA_ENV_LOCK(env) ((env)->lock)
#define SMA_ENV_DID(env) ((env)->did)
#define SMA_ENV_ENV(env) ((env)->dbEnv)
#define SMA_ENV_PATH(env) ((env)->path)
#define SMA_ENV_STAT(env) ((env)->pStat)
#define SMA_ENV_STAT_ITEMS(env) ((env)->pStat->smaStatItems)
struct SSmaEnvs {
int16_t nTSma;
int16_t nRSma;
SSmaEnv *pTSmaEnv;
SSmaEnv *pRSmaEnv;
};
void tsdbDestroySmaEnv(SSmaEnv *pSmaEnv);
void *tsdbFreeSmaEnv(SSmaEnv *pSmaEnv);
#if 0
int32_t tsdbGetTSmaStatus(STsdb *pTsdb, STSma *param, void *result);
int32_t tsdbRemoveTSmaData(STsdb *pTsdb, STSma *param, STimeWindow *pWin);
#endif
// internal func
static FORCE_INLINE int32_t tsdbEncodeTSmaKey(int64_t groupId, TSKEY tsKey, void **pData) {
int32_t len = 0;
len += taosEncodeFixedI64(pData, tsKey);
len += taosEncodeFixedI64(pData, groupId);
return len;
}
static FORCE_INLINE int32_t tsdbRLockSma(SSmaEnv *pEnv) {
int code = taosThreadRwlockRdlock(&(pEnv->lock));
if (code != 0) {
terrno = TAOS_SYSTEM_ERROR(code);
return -1;
}
return 0;
}
static FORCE_INLINE int32_t tsdbWLockSma(SSmaEnv *pEnv) {
int code = taosThreadRwlockWrlock(&(pEnv->lock));
if (code != 0) {
terrno = TAOS_SYSTEM_ERROR(code);
return -1;
}
return 0;
}
static FORCE_INLINE int32_t tsdbUnLockSma(SSmaEnv *pEnv) {
int code = taosThreadRwlockUnlock(&(pEnv->lock));
if (code != 0) {
terrno = TAOS_SYSTEM_ERROR(code);
return -1;
}
return 0;
}
#endif /* _TD_TSDB_SMA_H_ */