TDengine/source/dnode/mnode/impl/inc/mndShow.h
2026-01-28 19:06:16 +08:00

112 lines
6.6 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_MND_SHOW_H_
#define _TD_MND_SHOW_H_
#include "mndInt.h"
#include "systable.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SHOW_PRIVILEGES_STEP_SIZE 2048
#define COL_DATA_SET_VAL_GOTO(pData, isNull, pObj, pIter, LABEL) \
do { \
if (pColInfo && (code = colDataSetVal(pColInfo, numOfRows, (pData), (isNull))) != 0) { \
lino = __LINE__; \
if (pObj) sdbRelease(pSdb, (pObj)); \
goto LABEL; \
} \
} while (0)
#define COL_DATA_SET_EMPTY_VARCHAR(pBuf, nums) \
do { \
for (int32_t idx = 0; idx < (nums); ++idx) { \
if ((pColInfo = taosArrayGet(pBlock->pDataBlock, ++cols))) { \
STR_WITH_MAXSIZE_TO_VARSTR((pBuf), "", 2); \
COL_DATA_SET_VAL_GOTO((const char *)pBuf, false, pObj, pShow->pIter, _exit); \
} \
} \
} while (0)
#define RETRIEVE_CHECK_GOTO(CMD, pObj, LINO, LABEL) \
do { \
code = (CMD); \
if (code != TSDB_CODE_SUCCESS) { \
if (LINO) { \
*((int32_t *)(LINO)) = __LINE__; \
} \
if (pObj) sdbRelease(pSdb, (pObj)); \
if (pObj) sdbCancelFetch(pSdb, (pObj)); \
goto LABEL; \
} \
} while (0)
#define MND_SHOW_CHECK_OBJ_PRIVILEGE_ALL(user, token, privType, objType, owner, LABEL) \
do { \
code = mndAcquireUser(pMnode, (user), &pUser); \
if (pUser == NULL) goto LABEL; \
int32_t objLevel = privObjGetLevel(objType); \
(void)snprintf(objFName, sizeof(objFName), "%d.*", pUser->acctId); \
showAll = (0 == mndCheckSysObjPrivilege(pMnode, pUser, token, privType, objType, (owner), objFName, \
objLevel == 0 ? NULL : "*")); \
} while (0)
// N.B. don't add do {}while(0) for MND_SHOW_CHECK_DB_PRIVILEGE since it contains continue statement
#define MND_SHOW_CHECK_DB_PRIVILEGE(pDb, dbFName, pSdbObj, token, operType, LABEL) \
if (!showAll) { \
if (pDb) { \
if (dbUid != pDb->uid) { \
if (0 != mndCheckDbPrivilege(pMnode, pUser->name, (token), (operType), pDb)) { \
sdbRelease(pSdb, (pSdbObj)); \
goto LABEL; \
} \
showAll = true; \
} \
} else if (dbUid != (pSdbObj)->dbUid) { \
pIterDb = mndAcquireDb(pMnode, (dbFName)); \
if (pIterDb == NULL) { \
sdbRelease(pSdb, (pSdbObj)); \
continue; \
} \
dbUid = (pSdbObj)->dbUid; \
if (0 != mndCheckDbPrivilege(pMnode, pUser->name, (token), (operType), pIterDb)) { \
showIter = false; \
mndReleaseDb(pMnode, pIterDb); \
sdbRelease(pSdb, (pSdbObj)); \
continue; \
} else { \
mndReleaseDb(pMnode, pIterDb); \
showIter = true; \
} \
} else if (!showIter) { \
sdbRelease(pSdb, (pSdbObj)); \
continue; \
} \
}
int32_t mndInitShow(SMnode *pMnode);
void mndCleanupShow(SMnode *pMnode);
void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp);
void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType msgType, ShowFreeIterFp fp);
#ifdef __cplusplus
}
#endif
#endif /*_TD_MND_SHOW_H_*/