#4452

Committed 05 Jul 2025 10:40AM UTC coverage: 60.734% (-2.8%) from 63.58%

Build # #4452

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push

travis-ci

Committed by

web-flow

Commit Message

Merge pull request #31673 from taosdata/fix/huoh/taos_log

test: fix mnode create failure

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78.6

/source/dnode/mnode/impl/src/mndShow.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/>.
 */

#define _DEFAULT_SOURCE
#include "mndShow.h"
#include "mndPrivilege.h"
#include "mndUser.h"
#include "systable.h"

#define SHOW_STEP_SIZE            100
#define SHOW_COLS_STEP_SIZE       4096
#define SHOW_PRIVILEGES_STEP_SIZE 2048

static SShowObj *mndCreateShowObj(SMnode *pMnode, SRetrieveTableReq *pReq);
static void      mndFreeShowObj(SShowObj *pShow);
static SShowObj *mndAcquireShowObj(SMnode *pMnode, int64_t showId);
static void      mndReleaseShowObj(SShowObj *pShow, bool forceRemove);
static bool      mndCheckRetrieveFinished(SShowObj *pShow);
static int32_t   mndProcessRetrieveSysTableReq(SRpcMsg *pReq);

int32_t mndInitShow(SMnode *pMnode) {
  int32_t    code = 0;
  SShowMgmt *pMgmt = &pMnode->showMgmt;

  pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");
  if (pMgmt->cache == NULL) {
    code = TSDB_CODE_OUT_OF_MEMORY;
    mError("failed to alloc show cache since %s", tstrerror(code));
    TAOS_RETURN(code);
  }

  mndSetMsgHandle(pMnode, TDMT_MND_SYSTABLE_RETRIEVE, mndProcessRetrieveSysTableReq);
  TAOS_RETURN(code);
}

void mndCleanupShow(SMnode *pMnode) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  if (pMgmt->cache != NULL) {
    taosCacheCleanup(pMgmt->cache);
    pMgmt->cache = NULL;
  }
}

static int32_t convertToRetrieveType(char *name, int32_t len) {
  int32_t type = -1;

  if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_DNODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_MNODE;
    /*
      } else if (strncasecmp(name, TSDB_INS_TABLE_MODULES, len) == 0) {
        type = TSDB_MGMT_TABLE_MODULE;
    */
  } else if (strncasecmp(name, TSDB_INS_TABLE_QNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_QNODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_SNODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {
    type = TSDB_MGMT_TABLE_ANODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {
    type = TSDB_MGMT_TABLE_ANODE_FULL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_BNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_BNODE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {
    type = TSDB_MGMT_TABLE_ARBGROUP;
  } else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {
    type = TSDB_MGMT_TABLE_CLUSTER;
  } else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {
    type = TSDB_MGMT_TABLE_DB;
  } else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_FUNC;
  } else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {
    type = TSDB_MGMT_TABLE_INDEX;
  } else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {
    type = TSDB_MGMT_TABLE_STB;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {
    type = TSDB_MGMT_TABLE_TABLE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {
    type = TSDB_MGMT_TABLE_TAG;
  } else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {
    type = TSDB_MGMT_TABLE_COL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {
    //    type = TSDB_MGMT_TABLE_DIST;
  } else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {
    type = TSDB_MGMT_TABLE_USER;
  } else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {
    type = TSDB_MGMT_TABLE_USER_FULL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {
    type = TSDB_MGMT_TABLE_GRANTS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {
    type = TSDB_MGMT_TABLE_VGROUP;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {
    type = TSDB_MGMT_TABLE_CONSUMERS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {
    type = TSDB_MGMT_TABLE_TRANS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {
    type = TSDB_MGMT_TABLE_SMAS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {
    type = TSDB_MGMT_TABLE_CONFIGS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_CONNS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {
    type = TSDB_MGMT_TABLE_QUERIES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {
    type = TSDB_MGMT_TABLE_VNODES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {
    type = TSDB_MGMT_TABLE_TOPICS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {
    type = TSDB_MGMT_TABLE_STREAMS;
  } else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {
    type = TSDB_MGMT_TABLE_APPS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {
    type = TSDB_MGMT_TABLE_STREAM_TASKS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {
    type = TSDB_MGMT_TABLE_PRIVILEGES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {
    type = TSDB_MGMT_TABLE_VIEWS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {
    type = TSDB_MGMT_TABLE_COMPACT;
  } else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {
    type = TSDB_MGMT_TABLE_COMPACT_DETAIL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TRANSACTION_DETAILS, len) == 0) {
    type = TSDB_MGMT_TABLE_TRANSACTION_DETAIL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {
    type = TSDB_MGMT_TABLE_GRANTS_FULL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {
    type = TSDB_MGMT_TABLE_GRANTS_LOGS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {
    type = TSDB_MGMT_TABLE_MACHINES;
  } else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {
    type = TSDB_MGMT_TABLE_ENCRYPTIONS;
  } else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {
    type = TSDB_MGMT_TABLE_TSMAS;
  } else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {
    type = TSDB_MGMT_TABLE_USAGE;
  } else if (strncasecmp(name, TSDB_INS_TABLE_FILESETS, len) == 0) {
    type = TSDB_MGMT_TABLE_FILESETS;
  } else {
    mError("invalid show name:%s len:%d", name, len);
  }

  return type;
}

static SShowObj *mndCreateShowObj(SMnode *pMnode, SRetrieveTableReq *pReq) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;

  int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);
  if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);

  int32_t size = sizeof(SShowObj);

  SShowObj showObj = {0};

  showObj.id = showId;
  showObj.pMnode = pMnode;
  showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));
  (void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);
  tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);

  int32_t   keepTime = tsShellActivityTimer * 6 * 1000;
  SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);
  if (pShow == NULL) {
    terrno = TSDB_CODE_OUT_OF_MEMORY;
    mError("show:0x%" PRIx64 ", failed to put into cache since %s", showId, terrstr());
    return NULL;
  }

  mTrace("show:0x%" PRIx64 ", is created, data:%p", showId, pShow);
  return pShow;
}

static void mndFreeShowObj(SShowObj *pShow) {
  SMnode    *pMnode = pShow->pMnode;
  SShowMgmt *pMgmt = &pMnode->showMgmt;

  ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];
  if (freeFp != NULL) {
    if (pShow->pIter != NULL) {
      mTrace("show:0x%" PRIx64 ", is destroying, data:%p, pIter:%p, ", pShow->id, pShow, pShow->pIter);

      (*freeFp)(pMnode, pShow->pIter);

      pShow->pIter = NULL;
    }
  }

  mTrace("show:0x%" PRIx64 ", is destroyed, data:%p", pShow->id, pShow);
}

static SShowObj *mndAcquireShowObj(SMnode *pMnode, int64_t showId) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;

  SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));
  if (pShow == NULL) {
    mError("show:0x%" PRIx64 ", already destroyed", showId);
    return NULL;
  }

  mTrace("show:0x%" PRIx64 ", acquired from cache, data:%p", pShow->id, pShow);
  return pShow;
}

static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {
  if (pShow == NULL) return;
  mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);

  // A bug in tcache.c
  forceRemove = 0;

  SMnode    *pMnode = pShow->pMnode;
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);
}

static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {
  int32_t    code = 0;
  SMnode    *pMnode = pReq->info.node;
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  SShowObj  *pShow = NULL;
  int32_t    rowsToRead = SHOW_STEP_SIZE;
  int32_t    size = 0;
  int32_t    rowsRead = 0;
  mDebug("mndProcessRetrieveSysTableReq start");
  SRetrieveTableReq retrieveReq = {0};
  TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));

  mDebug("process to retrieve systable req db:%s, tb:%s, compactId:%" PRId64, retrieveReq.db, retrieveReq.tb,
         retrieveReq.compactId);

  if (retrieveReq.showId == 0) {
    STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));
    if (pMeta == NULL) {
      pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));
      if (pMeta == NULL) {
        code = TSDB_CODE_PAR_TABLE_NOT_EXIST;
        mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));
        TAOS_RETURN(code);
      }
    }

    pShow = mndCreateShowObj(pMnode, &retrieveReq);
    if (pShow == NULL) {
      code = terrno;
      mError("failed to process show-meta req since %s", tstrerror(code));
      TAOS_RETURN(code);
    }

    pShow->pMeta = pMeta;
    pShow->numOfColumns = pShow->pMeta->numOfColumns;
  } else {
    pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);
    if (pShow == NULL) {
      code = TSDB_CODE_MND_INVALID_SHOWOBJ;
      mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));
      TAOS_RETURN(code);
    }
  }

  if (pShow->type == TSDB_MGMT_TABLE_COL) {  // expend capacity for ins_columns
    rowsToRead = SHOW_COLS_STEP_SIZE;
  } else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {
    rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;
  }
  ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];
  if (retrieveFp == NULL) {
    mndReleaseShowObj(pShow, false);
    code = TSDB_CODE_MSG_NOT_PROCESSED;
    mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));
    TAOS_RETURN(code);
  }

  mDebug("show:0x%" PRIx64 ", start retrieve data, type:%d", pShow->id, pShow->type);
  if (retrieveReq.user[0] != 0) {
    (void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);
  } else {
    (void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);
  }
  code = -1;
  if (retrieveReq.db[0] &&
      (code = mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db)) != 0) {
    TAOS_RETURN(code);
  }
  if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {
    if (strcmp(pReq->info.conn.user, "root") != 0) {
      mError("The operation is not permitted, user:%s, pShow->type:%d", pReq->info.conn.user, pShow->type);
      code = TSDB_CODE_MND_NO_RIGHTS;
      TAOS_RETURN(code);
    }
  }

  int32_t numOfCols = pShow->pMeta->numOfColumns;

  SSDataBlock *pBlock = NULL;
  code = createDataBlock(&pBlock);
  if (code) {
    TAOS_RETURN(code);
  }

  for (int32_t i = 0; i < numOfCols; ++i) {
    SColumnInfoData idata = {0};

    SSchema *p = &pShow->pMeta->pSchemas[i];

    idata.info.bytes = p->bytes;
    idata.info.type = p->type;
    idata.info.colId = p->colId;
    TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));
  }

  TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));

  if (mndCheckRetrieveFinished(pShow)) {
    mDebug("show:0x%" PRIx64 ", read finished, numOfRows:%d", pShow->id, pShow->numOfRows);
    rowsRead = 0;
  } else {
    rowsRead = (*retrieveFp)(pReq, pShow, pBlock, rowsToRead);
    if (rowsRead < 0) {
      code = rowsRead;
      mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);
      mndReleaseShowObj(pShow, true);
      blockDataDestroy(pBlock);
      TAOS_RETURN(code);
    }

    pBlock->info.rows = rowsRead;
    mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);
  }

  size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);
  size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +
         dataEncodeBufSize;

  SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);
  if (pRsp == NULL) {
    mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));
    code = terrno;
    goto _exit;
  }

  pRsp->handle = htobe64(pShow->id);

  if (rowsRead > 0) {
    char    *pStart = pRsp->data;
    SSchema *ps = pShow->pMeta->pSchemas;

    *(int32_t *)pStart = htonl(pShow->pMeta->numOfColumns);
    pStart += sizeof(int32_t);  // number of columns

    for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {
      SSysTableSchema *pSchema = (SSysTableSchema *)pStart;
      pSchema->bytes = htonl(ps[i].bytes);
      pSchema->colId = htons(ps[i].colId);
      pSchema->type = ps[i].type;

      pStart += sizeof(SSysTableSchema);
    }

    int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);
    if (len < 0) {
      mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));
      code = terrno;
      return code;
    }
  }

  pRsp->numOfRows = htonl(rowsRead);
  pRsp->precision = TSDB_TIME_PRECISION_MILLI;  // millisecond time precision
  pReq->info.rsp = pRsp;
  pReq->info.rspLen = size;

  if (rowsRead == 0 || mndCheckRetrieveFinished(pShow)) {
    pRsp->completed = 1;
    mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);
    mndReleaseShowObj(pShow, true);
  } else {
    mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);
    mndReleaseShowObj(pShow, false);
  }

  blockDataDestroy(pBlock);
  return TSDB_CODE_SUCCESS;
_exit:
  mndReleaseShowObj(pShow, false);
  blockDataDestroy(pBlock);
  if (pRsp) {
    rpcFreeCont(pRsp);
  }
  return code;
}

static bool mndCheckRetrieveFinished(SShowObj *pShow) {
  if (pShow->pIter == NULL && pShow->numOfRows != 0) {
    return true;
  }
  return false;
}

void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  pMgmt->retrieveFps[showType] = fp;
}

void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {
  SShowMgmt *pMgmt = &pMnode->showMgmt;
  pMgmt->freeIterFps[showType] = fp;
}

1	/*
2	* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
3	*
4	* This program is free software: you can use, redistribute, and/or modify
5	* it under the terms of the GNU Affero General Public License, version 3
6	* or later ("AGPL"), as published by the Free Software Foundation.
7	*
8	* This program is distributed in the hope that it will be useful, but WITHOUT
9	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10	* FITNESS FOR A PARTICULAR PURPOSE.
11	*
12	* You should have received a copy of the GNU Affero General Public License
13	* along with this program. If not, see <http://www.gnu.org/licenses/>.
14	*/
15
16	#define _DEFAULT_SOURCE
17	#include "mndShow.h"
18	#include "mndPrivilege.h"
19	#include "mndUser.h"
20	#include "systable.h"
21
22	#define SHOW_STEP_SIZE 100
23	#define SHOW_COLS_STEP_SIZE 4096
24	#define SHOW_PRIVILEGES_STEP_SIZE 2048
25
26	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq);
27	static void mndFreeShowObj(SShowObj *pShow);
28	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId);
29	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove);
30	static bool mndCheckRetrieveFinished(SShowObj *pShow);
31	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq);
32
33	int32_t mndInitShow(SMnode *pMnode) {	2,550✔
34	int32_t code = 0;	2,550✔
35	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,550✔
36
37	pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");	2,550✔
38	if (pMgmt->cache == NULL) {	2,550!
39	code = TSDB_CODE_OUT_OF_MEMORY;	×
40	mError("failed to alloc show cache since %s", tstrerror(code));	×
41	TAOS_RETURN(code);	×
42	}
43
44	mndSetMsgHandle(pMnode, TDMT_MND_SYSTABLE_RETRIEVE, mndProcessRetrieveSysTableReq);	2,550✔
45	TAOS_RETURN(code);	2,550✔
46	}
47
48	void mndCleanupShow(SMnode *pMnode) {	2,548✔
49	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,548✔
50	if (pMgmt->cache != NULL) {	2,548!
51	taosCacheCleanup(pMgmt->cache);	2,548✔
52	pMgmt->cache = NULL;	2,548✔
53	}
54	}	2,548✔
55
56	static int32_t convertToRetrieveType(char *name, int32_t len) {	31,391✔
57	int32_t type = -1;	31,391✔
58
59	if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {	31,391✔
60	type = TSDB_MGMT_TABLE_DNODE;	8,385✔
61	} else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {	23,006✔
62	type = TSDB_MGMT_TABLE_MNODE;	4,892✔
63	/*
64	} else if (strncasecmp(name, TSDB_INS_TABLE_MODULES, len) == 0) {
65	type = TSDB_MGMT_TABLE_MODULE;
66	*/
67	} else if (strncasecmp(name, TSDB_INS_TABLE_QNODES, len) == 0) {	18,114✔
68	type = TSDB_MGMT_TABLE_QNODE;	154✔
69	} else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {	17,960✔
70	type = TSDB_MGMT_TABLE_SNODE;	30✔
71	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {	17,930✔
72	type = TSDB_MGMT_TABLE_ANODE;	4✔
73	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {	17,926✔
74	type = TSDB_MGMT_TABLE_ANODE_FULL;	1✔
75	} else if (strncasecmp(name, TSDB_INS_TABLE_BNODES, len) == 0) {	17,925✔
76	type = TSDB_MGMT_TABLE_BNODE;	276✔
77	} else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {	17,649!
78	type = TSDB_MGMT_TABLE_ARBGROUP;	×
79	} else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {	17,649✔
80	type = TSDB_MGMT_TABLE_CLUSTER;	12✔
81	} else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {	17,637✔
82	type = TSDB_MGMT_TABLE_DB;	1,371✔
83	} else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {	16,266✔
84	type = TSDB_MGMT_TABLE_FUNC;	115✔
85	} else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {	16,151✔
86	type = TSDB_MGMT_TABLE_INDEX;	1,144✔
87	} else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {	15,007✔
88	type = TSDB_MGMT_TABLE_STB;	1,103✔
89	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {	13,904!
90	type = TSDB_MGMT_TABLE_TABLE;	×
91	} else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {	13,904!
92	type = TSDB_MGMT_TABLE_TAG;	×
93	} else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {	13,904✔
94	type = TSDB_MGMT_TABLE_COL;	6,833✔
95	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {	7,071✔
96	// type = TSDB_MGMT_TABLE_DIST;
97	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {	7,070✔
98	type = TSDB_MGMT_TABLE_USER;	71✔
99	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {	6,999!
100	type = TSDB_MGMT_TABLE_USER_FULL;	×
101	} else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {	6,999✔
102	type = TSDB_MGMT_TABLE_GRANTS;	97✔
103	} else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {	6,902✔
104	type = TSDB_MGMT_TABLE_VGROUP;	852✔
105	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {	6,050✔
106	type = TSDB_MGMT_TABLE_CONSUMERS;	93✔
107	} else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {	5,957✔
108	type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;	89✔
109	} else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {	5,868✔
110	type = TSDB_MGMT_TABLE_TRANS;	1,140✔
111	} else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {	4,728!
112	type = TSDB_MGMT_TABLE_SMAS;	×
113	} else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {	4,728✔
114	type = TSDB_MGMT_TABLE_CONFIGS;	7✔
115	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {	4,721✔
116	type = TSDB_MGMT_TABLE_CONNS;	50✔
117	} else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {	4,671✔
118	type = TSDB_MGMT_TABLE_QUERIES;	17✔
119	} else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {	4,654✔
120	type = TSDB_MGMT_TABLE_VNODES;	119✔
121	} else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {	4,535✔
122	type = TSDB_MGMT_TABLE_TOPICS;	80✔
123	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {	4,455✔
124	type = TSDB_MGMT_TABLE_STREAMS;	233✔
125	} else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {	4,222✔
126	type = TSDB_MGMT_TABLE_APPS;	16✔
127	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {	4,206✔
128	type = TSDB_MGMT_TABLE_STREAM_TASKS;	3,807✔
129	} else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {	399✔
130	type = TSDB_MGMT_TABLE_PRIVILEGES;	49✔
131	} else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {	350✔
132	type = TSDB_MGMT_TABLE_VIEWS;	89✔
133	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {	261✔
134	type = TSDB_MGMT_TABLE_COMPACT;	116✔
135	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {	145✔
136	type = TSDB_MGMT_TABLE_COMPACT_DETAIL;	36✔
137	} else if (strncasecmp(name, TSDB_INS_TABLE_TRANSACTION_DETAILS, len) == 0) {	109✔
138	type = TSDB_MGMT_TABLE_TRANSACTION_DETAIL;	1✔
139	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {	108✔
140	type = TSDB_MGMT_TABLE_GRANTS_FULL;	77✔
141	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {	31✔
142	type = TSDB_MGMT_TABLE_GRANTS_LOGS;	11✔
143	} else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {	20✔
144	type = TSDB_MGMT_TABLE_MACHINES;	9✔
145	} else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {	11✔
146	type = TSDB_MGMT_TABLE_ENCRYPTIONS;	5✔
147	} else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {	6!
148	type = TSDB_MGMT_TABLE_TSMAS;	6✔
149	} else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {	×
150	type = TSDB_MGMT_TABLE_USAGE;	×
151	} else if (strncasecmp(name, TSDB_INS_TABLE_FILESETS, len) == 0) {	×
152	type = TSDB_MGMT_TABLE_FILESETS;	×
153	} else {
154	mError("invalid show name:%s len:%d", name, len);	×
155	}
156
157	return type;	31,390✔
158	}
159
160	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq) {	31,391✔
161	SShowMgmt *pMgmt = &pMnode->showMgmt;	31,391✔
162
163	int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);	31,391✔
164	if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);	31,391!
165
166	int32_t size = sizeof(SShowObj);	31,391✔
167
168	SShowObj showObj = {0};	31,391✔
169
170	showObj.id = showId;	31,391✔
171	showObj.pMnode = pMnode;	31,391✔
172	showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));	31,391✔
173	(void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);	31,390✔
174	tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);	31,390✔
175
176	int32_t keepTime = tsShellActivityTimer * 6 * 1000;	31,390✔
177	SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);	31,390✔
178	if (pShow == NULL) {	31,389!
179	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
180	mError("show:0x%" PRIx64 ", failed to put into cache since %s", showId, terrstr());	×
181	return NULL;	×
182	}
183
184	mTrace("show:0x%" PRIx64 ", is created, data:%p", showId, pShow);	31,389✔
185	return pShow;	31,388✔
186	}
187
188	static void mndFreeShowObj(SShowObj *pShow) {	31,391✔
189	SMnode *pMnode = pShow->pMnode;	31,391✔
190	SShowMgmt *pMgmt = &pMnode->showMgmt;	31,391✔
191
192	ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];	31,391✔
193	if (freeFp != NULL) {	31,391✔
194	if (pShow->pIter != NULL) {	31,149✔
195	mTrace("show:0x%" PRIx64 ", is destroying, data:%p, pIter:%p, ", pShow->id, pShow, pShow->pIter);	1!
196
197	(*freeFp)(pMnode, pShow->pIter);	1✔
198
199	pShow->pIter = NULL;	1✔
200	}
201	}
202
203	mTrace("show:0x%" PRIx64 ", is destroyed, data:%p", pShow->id, pShow);	31,391✔
204	}	31,391✔
205
206	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId) {	91✔
207	SShowMgmt *pMgmt = &pMnode->showMgmt;	91✔
208
209	SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));	91✔
210	if (pShow == NULL) {	91!
211	mError("show:0x%" PRIx64 ", already destroyed", showId);	×
212	return NULL;	×
213	}
214
215	mTrace("show:0x%" PRIx64 ", acquired from cache, data:%p", pShow->id, pShow);	91!
216	return pShow;	91✔
217	}
218
219	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {	31,476✔
220	if (pShow == NULL) return;	31,476!
221	mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);	31,476✔
222
223	// A bug in tcache.c
224	forceRemove = 0;	31,476✔
225
226	SMnode *pMnode = pShow->pMnode;	31,476✔
227	SShowMgmt *pMgmt = &pMnode->showMgmt;	31,476✔
228	taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);	31,476✔
229	}
230
231	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {	31,483✔
232	int32_t code = 0;	31,483✔
233	SMnode *pMnode = pReq->info.node;	31,483✔
234	SShowMgmt *pMgmt = &pMnode->showMgmt;	31,483✔
235	SShowObj *pShow = NULL;	31,483✔
236	int32_t rowsToRead = SHOW_STEP_SIZE;	31,483✔
237	int32_t size = 0;	31,483✔
238	int32_t rowsRead = 0;	31,483✔
239	mDebug("mndProcessRetrieveSysTableReq start");	31,483✔
240	SRetrieveTableReq retrieveReq = {0};	31,484✔
241	TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));	31,484✔
242
243	mDebug("process to retrieve systable req db:%s, tb:%s, compactId:%" PRId64, retrieveReq.db, retrieveReq.tb,	31,482✔
244	retrieveReq.compactId);
245
246	if (retrieveReq.showId == 0) {	31,481✔
247	STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));	31,390✔
248	if (pMeta == NULL) {	31,391✔
249	pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));	1,316✔
250	if (pMeta == NULL) {	1,316!
251	code = TSDB_CODE_PAR_TABLE_NOT_EXIST;	×
252	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	×
253	TAOS_RETURN(code);	×
254	}
255	}
256
257	pShow = mndCreateShowObj(pMnode, &retrieveReq);	31,391✔
258	if (pShow == NULL) {	31,388✔
259	code = terrno;	1✔
260	mError("failed to process show-meta req since %s", tstrerror(code));	×
261	TAOS_RETURN(code);	×
262	}
263
264	pShow->pMeta = pMeta;	31,387✔
265	pShow->numOfColumns = pShow->pMeta->numOfColumns;	31,387✔
266	} else {
267	pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);	91✔
268	if (pShow == NULL) {	91!
269	code = TSDB_CODE_MND_INVALID_SHOWOBJ;	×
270	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	×
271	TAOS_RETURN(code);	×
272	}
273	}
274
275	if (pShow->type == TSDB_MGMT_TABLE_COL) { // expend capacity for ins_columns	31,479✔
276	rowsToRead = SHOW_COLS_STEP_SIZE;	6,857✔
277	} else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {	24,622✔
278	rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;	49✔
279	}
280	ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];	31,479✔
281	if (retrieveFp == NULL) {	31,479!
282	mndReleaseShowObj(pShow, false);	×
283	code = TSDB_CODE_MSG_NOT_PROCESSED;	×
284	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
285	TAOS_RETURN(code);	×
286	}
287
288	mDebug("show:0x%" PRIx64 ", start retrieve data, type:%d", pShow->id, pShow->type);	31,479✔
289	if (retrieveReq.user[0] != 0) {	31,482✔
290	(void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);	31,460✔
291	} else {
292	(void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);	22✔
293	}
294	code = -1;	31,482✔
295	if (retrieveReq.db[0] &&	36,524✔
296	(code = mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db)) != 0) {	5,042✔
297	TAOS_RETURN(code);	6✔
298	}
299	if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {	31,476!
300	if (strcmp(pReq->info.conn.user, "root") != 0) {	×
301	mError("The operation is not permitted, user:%s, pShow->type:%d", pReq->info.conn.user, pShow->type);	×
302	code = TSDB_CODE_MND_NO_RIGHTS;	×
303	TAOS_RETURN(code);	×
304	}
305	}
306
307	int32_t numOfCols = pShow->pMeta->numOfColumns;	31,476✔
308
309	SSDataBlock *pBlock = NULL;	31,476✔
310	code = createDataBlock(&pBlock);	31,476✔
311	if (code) {	31,475!
312	TAOS_RETURN(code);	×
313	}
314
315	for (int32_t i = 0; i < numOfCols; ++i) {	416,135✔
316	SColumnInfoData idata = {0};	384,658✔
317
318	SSchema *p = &pShow->pMeta->pSchemas[i];	384,658✔
319
320	idata.info.bytes = p->bytes;	384,658✔
321	idata.info.type = p->type;	384,658✔
322	idata.info.colId = p->colId;	384,658✔
323	TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));	384,658!
324	}
325
326	TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));	31,477!
327
328	if (mndCheckRetrieveFinished(pShow)) {	31,475!
329	mDebug("show:0x%" PRIx64 ", read finished, numOfRows:%d", pShow->id, pShow->numOfRows);	×
330	rowsRead = 0;	×
331	} else {
332	rowsRead = (*retrieveFp)(pReq, pShow, pBlock, rowsToRead);	31,475✔
333	if (rowsRead < 0) {	31,475✔
334	code = rowsRead;	8✔
335	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	8!
336	mndReleaseShowObj(pShow, true);	8✔
337	blockDataDestroy(pBlock);	8✔
338	TAOS_RETURN(code);	8✔
339	}
340
341	pBlock->info.rows = rowsRead;	31,467✔
342	mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);	31,467✔
343	}
344
345	size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);	31,469✔
346	size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +	31,467✔
347	dataEncodeBufSize;
348
349	SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);	31,467✔
350	if (pRsp == NULL) {	31,468!
351	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
352	code = terrno;	×
353	goto _exit;	×
354	}
355
356	pRsp->handle = htobe64(pShow->id);	31,468✔
357
358	if (rowsRead > 0) {	31,468✔
359	char *pStart = pRsp->data;	30,901✔
360	SSchema *ps = pShow->pMeta->pSchemas;	30,901✔
361
362	(int32_t )pStart = htonl(pShow->pMeta->numOfColumns);	30,901✔
363	pStart += sizeof(int32_t); // number of columns	30,901✔
364
365	for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {	409,065✔
366	SSysTableSchema pSchema = (SSysTableSchema )pStart;	378,164✔
367	pSchema->bytes = htonl(ps[i].bytes);	378,164✔
368	pSchema->colId = htons(ps[i].colId);	378,164✔
369	pSchema->type = ps[i].type;	378,164✔
370
371	pStart += sizeof(SSysTableSchema);	378,164✔
372	}
373
374	int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);	30,901✔
375	if (len < 0) {	30,900!
376	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
377	code = terrno;	×
378	return code;	×
379	}
380	}
381
382	pRsp->numOfRows = htonl(rowsRead);	31,467✔
383	pRsp->precision = TSDB_TIME_PRECISION_MILLI; // millisecond time precision	31,467✔
384	pReq->info.rsp = pRsp;	31,467✔
385	pReq->info.rspLen = size;	31,467✔
386
387	if (rowsRead == 0 \|\| mndCheckRetrieveFinished(pShow)) {	31,467✔
388	pRsp->completed = 1;	31,375✔
389	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	31,375✔
390	mndReleaseShowObj(pShow, true);	31,375✔
391	} else {
392	mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);	92!
393	mndReleaseShowObj(pShow, false);	92✔
394	}
395
396	blockDataDestroy(pBlock);	31,468✔
397	return TSDB_CODE_SUCCESS;	31,468✔
398	_exit:	×
399	mndReleaseShowObj(pShow, false);	×
400	blockDataDestroy(pBlock);	×
401	if (pRsp) {	×
402	rpcFreeCont(pRsp);	×
403	}
404	return code;	×
405	}
406
407	static bool mndCheckRetrieveFinished(SShowObj *pShow) {	62,375✔
408	if (pShow->pIter == NULL && pShow->numOfRows != 0) {	62,375✔
409	return true;	30,809✔
410	}
411	return false;	31,566✔
412	}
413
414	void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {	99,450✔
415	SShowMgmt *pMgmt = &pMnode->showMgmt;	99,450✔
416	pMgmt->retrieveFps[showType] = fp;	99,450✔
417	}	99,450✔
418
419	void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {	91,800✔
420	SShowMgmt *pMgmt = &pMnode->showMgmt;	91,800✔
421	pMgmt->freeIterFps[showType] = fp;	91,800✔
422	}	91,800✔

taosdata / TDengine / #4452

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