#4456

Committed 05 Jul 2025 10:40AM UTC coverage: 63.212% (+2.5%) from 60.734%

Build # #4456

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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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80.8

/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) {	2,588✔
34	int32_t code = 0;	2,588✔
35	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,588✔
36
37	pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");	2,588✔
38	if (pMgmt->cache == NULL) {	2,588!
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);	2,588✔
45	TAOS_RETURN(code);	2,588✔
46	}
47
48	void mndCleanupShow(SMnode *pMnode) {	2,585✔
49	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,585✔
50	if (pMgmt->cache != NULL) {	2,585!
51	taosCacheCleanup(pMgmt->cache);	2,585✔
52	pMgmt->cache = NULL;	2,585✔
53	}
54	}	2,585✔
55
56	static int32_t convertToRetrieveType(char *name, int32_t len) {	246,823✔
57	int32_t type = -1;	246,823✔
58
59	if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {	246,823✔
60	type = TSDB_MGMT_TABLE_DNODE;	14,949✔
61	} else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {	231,874✔
62	type = TSDB_MGMT_TABLE_MNODE;	9,220✔
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) {	222,654✔
68	type = TSDB_MGMT_TABLE_QNODE;	2,336✔
69	} else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {	220,318✔
70	type = TSDB_MGMT_TABLE_SNODE;	2,204✔
71	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {	218,114✔
72	type = TSDB_MGMT_TABLE_ANODE;	4✔
73	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {	218,110✔
74	type = TSDB_MGMT_TABLE_ANODE_FULL;	1✔
75	} else if (strncasecmp(name, TSDB_INS_TABLE_BNODES, len) == 0) {	218,109✔
76	type = TSDB_MGMT_TABLE_BNODE;	276✔
77	} else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {	217,833!
78	type = TSDB_MGMT_TABLE_ARBGROUP;	×
79	} else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {	217,833✔
80	type = TSDB_MGMT_TABLE_CLUSTER;	4,327✔
81	} else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {	213,506✔
82	type = TSDB_MGMT_TABLE_DB;	28,164✔
83	} else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {	185,342✔
84	type = TSDB_MGMT_TABLE_FUNC;	7,313✔
85	} else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {	178,029✔
86	type = TSDB_MGMT_TABLE_INDEX;	7,839✔
87	} else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {	170,190✔
88	type = TSDB_MGMT_TABLE_STB;	10,651✔
89	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {	159,539!
90	type = TSDB_MGMT_TABLE_TABLE;	×
91	} else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {	159,539!
92	type = TSDB_MGMT_TABLE_TAG;	×
93	} else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {	159,539✔
94	type = TSDB_MGMT_TABLE_COL;	14,095✔
95	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {	145,444✔
96	// type = TSDB_MGMT_TABLE_DIST;
97	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {	145,442✔
98	type = TSDB_MGMT_TABLE_USER;	5,117✔
99	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {	140,325!
100	type = TSDB_MGMT_TABLE_USER_FULL;	×
101	} else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {	140,325✔
102	type = TSDB_MGMT_TABLE_GRANTS;	7,291✔
103	} else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {	133,034✔
104	type = TSDB_MGMT_TABLE_VGROUP;	13,803✔
105	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {	119,231✔
106	type = TSDB_MGMT_TABLE_CONSUMERS;	8,726✔
107	} else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {	110,505✔
108	type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;	5,839✔
109	} else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {	104,666✔
110	type = TSDB_MGMT_TABLE_TRANS;	8,328✔
111	} else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {	96,338!
112	type = TSDB_MGMT_TABLE_SMAS;	×
113	} else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {	96,338✔
114	type = TSDB_MGMT_TABLE_CONFIGS;	1,442✔
115	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {	94,896✔
116	type = TSDB_MGMT_TABLE_CONNS;	6,520✔
117	} else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {	88,376✔
118	type = TSDB_MGMT_TABLE_QUERIES;	11,519✔
119	} else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {	76,857✔
120	type = TSDB_MGMT_TABLE_VNODES;	8,042✔
121	} else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {	68,815✔
122	type = TSDB_MGMT_TABLE_TOPICS;	5,117✔
123	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {	63,698✔
124	type = TSDB_MGMT_TABLE_STREAMS;	11,886✔
125	} else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {	51,812✔
126	type = TSDB_MGMT_TABLE_APPS;	10,807✔
127	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {	41,005✔
128	type = TSDB_MGMT_TABLE_STREAM_TASKS;	21,808✔
129	} else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {	19,197✔
130	type = TSDB_MGMT_TABLE_PRIVILEGES;	4,366✔
131	} else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {	14,831✔
132	type = TSDB_MGMT_TABLE_VIEWS;	6,560✔
133	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {	8,271✔
134	type = TSDB_MGMT_TABLE_COMPACT;	2,273✔
135	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {	5,998✔
136	type = TSDB_MGMT_TABLE_COMPACT_DETAIL;	5,807✔
137	} else if (strncasecmp(name, TSDB_INS_TABLE_TRANSACTION_DETAILS, len) == 0) {	191✔
138	type = TSDB_MGMT_TABLE_TRANSACTION_DETAIL;	1✔
139	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {	190✔
140	type = TSDB_MGMT_TABLE_GRANTS_FULL;	77✔
141	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {	113✔
142	type = TSDB_MGMT_TABLE_GRANTS_LOGS;	11✔
143	} else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {	102✔
144	type = TSDB_MGMT_TABLE_MACHINES;	9✔
145	} else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {	93✔
146	type = TSDB_MGMT_TABLE_ENCRYPTIONS;	5✔
147	} else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {	88✔
148	type = TSDB_MGMT_TABLE_TSMAS;	6✔
149	} else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {	82!
150	type = TSDB_MGMT_TABLE_USAGE;	×
151	} else if (strncasecmp(name, TSDB_INS_TABLE_FILESETS, len) == 0) {	82!
152	type = TSDB_MGMT_TABLE_FILESETS;	×
153	} else {
154	mError("invalid show name:%s len:%d", name, len);	82!
155	}
156
157	return type;	246,743✔
158	}
159
160	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq) {	246,782✔
161	SShowMgmt *pMgmt = &pMnode->showMgmt;	246,782✔
162
163	int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);	246,782✔
164	if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);	246,987!
165
166	int32_t size = sizeof(SShowObj);	246,987✔
167
168	SShowObj showObj = {0};	246,987✔
169
170	showObj.id = showId;	246,987✔
171	showObj.pMnode = pMnode;	246,987✔
172	showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));	246,987✔
173	(void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);	246,781✔
174	tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);	246,781✔
175
176	int32_t keepTime = tsShellActivityTimer * 6 * 1000;	246,781✔
177	SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);	246,781✔
178	if (pShow == NULL) {	246,928!
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);	246,928✔
185	return pShow;	246,905✔
186	}
187
188	static void mndFreeShowObj(SShowObj *pShow) {	247,061✔
189	SMnode *pMnode = pShow->pMnode;	247,061✔
190	SShowMgmt *pMgmt = &pMnode->showMgmt;	247,061✔
191
192	ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];	247,061✔
193	if (freeFp != NULL) {	247,061✔
194	if (pShow->pIter != NULL) {	233,127✔
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);	247,061✔
204	}	247,061✔
205
206	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId) {	7,635✔
207	SShowMgmt *pMgmt = &pMnode->showMgmt;	7,635✔
208
209	SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));	7,635✔
210	if (pShow == NULL) {	7,637!
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);	7,637!
216	return pShow;	7,637✔
217	}
218
219	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {	254,487✔
220	if (pShow == NULL) return;	254,487!
221	mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);	254,487✔
222
223	// A bug in tcache.c
224	forceRemove = 0;	254,487✔
225
226	SMnode *pMnode = pShow->pMnode;	254,487✔
227	SShowMgmt *pMgmt = &pMnode->showMgmt;	254,487✔
228	taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);	254,487✔
229	}
230
231	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {	254,584✔
232	int32_t code = 0;	254,584✔
233	SMnode *pMnode = pReq->info.node;	254,584✔
234	SShowMgmt *pMgmt = &pMnode->showMgmt;	254,584✔
235	SShowObj *pShow = NULL;	254,584✔
236	int32_t rowsToRead = SHOW_STEP_SIZE;	254,584✔
237	int32_t size = 0;	254,584✔
238	int32_t rowsRead = 0;	254,584✔
239	mDebug("mndProcessRetrieveSysTableReq start");	254,584✔
240	SRetrieveTableReq retrieveReq = {0};	254,585✔
241	TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));	254,585✔
242
243	mDebug("process to retrieve systable req db:%s, tb:%s, compactId:%" PRId64, retrieveReq.db, retrieveReq.tb,	254,615✔
244	retrieveReq.compactId);
245
246	if (retrieveReq.showId == 0) {	254,627✔
247	STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));	246,991✔
248	if (pMeta == NULL) {	246,841✔
249	pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));	45,932✔
250	if (pMeta == NULL) {	45,950!
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);	246,859✔
258	if (pShow == NULL) {	246,852!
259	code = terrno;	×
260	mError("failed to process show-meta req since %s", tstrerror(code));	×
261	TAOS_RETURN(code);	×
262	}
263
264	pShow->pMeta = pMeta;	246,870✔
265	pShow->numOfColumns = pShow->pMeta->numOfColumns;	246,870✔
266	} else {
267	pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);	7,636✔
268	if (pShow == NULL) {	7,637✔
269	code = TSDB_CODE_MND_INVALID_SHOWOBJ;	65✔
270	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	65!
271	TAOS_RETURN(code);	65✔
272	}
273	}
274
275	if (pShow->type == TSDB_MGMT_TABLE_COL) { // expend capacity for ins_columns	254,442✔
276	rowsToRead = SHOW_COLS_STEP_SIZE;	14,119✔
277	} else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {	240,323✔
278	rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;	4,362✔
279	}
280	ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];	254,442✔
281	if (retrieveFp == NULL) {	254,442!
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);	254,442✔
289	if (retrieveReq.user[0] != 0) {	254,302✔
290	(void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);	254,280✔
291	} else {
292	(void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);	22✔
293	}
294	code = -1;	254,302✔
295	if (retrieveReq.db[0] &&	259,964✔
296	(code = mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db)) != 0) {	5,662✔
297	TAOS_RETURN(code);	6✔
298	}
299	if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {	254,296!
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;	254,296✔
308
309	SSDataBlock *pBlock = NULL;	254,296✔
310	code = createDataBlock(&pBlock);	254,296✔
311	if (code) {	254,429!
312	TAOS_RETURN(code);	×
313	}
314
315	for (int32_t i = 0; i < numOfCols; ++i) {	4,013,245✔
316	SColumnInfoData idata = {0};	3,758,185✔
317
318	SSchema *p = &pShow->pMeta->pSchemas[i];	3,758,185✔
319
320	idata.info.bytes = p->bytes;	3,758,185✔
321	idata.info.type = p->type;	3,758,185✔
322	idata.info.colId = p->colId;	3,758,185✔
323	TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));	3,758,185!
324	}
325
326	TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));	255,060!
327
328	if (mndCheckRetrieveFinished(pShow)) {	254,525!
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);	254,521✔
333	if (rowsRead < 0) {	254,564✔
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;	254,556✔
342	mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);	254,556✔
343	}
344
345	size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);	254,558✔
346	size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +	254,299✔
347	dataEncodeBufSize;
348
349	SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);	254,299✔
350	if (pRsp == NULL) {	254,571!
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);	254,571✔
357
358	if (rowsRead > 0) {	254,574✔
359	char *pStart = pRsp->data;	206,280✔
360	SSchema *ps = pShow->pMeta->pSchemas;	206,280✔
361
362	(int32_t )pStart = htonl(pShow->pMeta->numOfColumns);	206,280✔
363	pStart += sizeof(int32_t); // number of columns	206,280✔
364
365	for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {	3,545,343✔
366	SSysTableSchema pSchema = (SSysTableSchema )pStart;	3,339,063✔
367	pSchema->bytes = htonl(ps[i].bytes);	3,339,063✔
368	pSchema->colId = htons(ps[i].colId);	3,339,063✔
369	pSchema->type = ps[i].type;	3,339,063✔
370
371	pStart += sizeof(SSysTableSchema);	3,339,063✔
372	}
373
374	int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);	206,280✔
375	if (len < 0) {	206,275!
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);	254,569✔
383	pRsp->precision = TSDB_TIME_PRECISION_MILLI; // millisecond time precision	254,569✔
384	pReq->info.rsp = pRsp;	254,569✔
385	pReq->info.rspLen = size;	254,569✔
386
387	if (rowsRead == 0 \|\| mndCheckRetrieveFinished(pShow)) {	254,569✔
388	pRsp->completed = 1;	247,004✔
389	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	247,004✔
390	mndReleaseShowObj(pShow, true);	247,004✔
391	} else {
392	mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);	7,634✔
393	mndReleaseShowObj(pShow, false);	7,634✔
394	}
395
396	blockDataDestroy(pBlock);	254,585✔
397	return TSDB_CODE_SUCCESS;	254,622✔
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) {	460,691✔
408	if (pShow->pIter == NULL && pShow->numOfRows != 0) {	460,691✔
409	return true;	198,628✔
410	}
411	return false;	262,063✔
412	}
413
414	void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {	100,932✔
415	SShowMgmt *pMgmt = &pMnode->showMgmt;	100,932✔
416	pMgmt->retrieveFps[showType] = fp;	100,932✔
417	}	100,932✔
418
419	void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {	93,168✔
420	SShowMgmt *pMgmt = &pMnode->showMgmt;	93,168✔
421	pMgmt->freeIterFps[showType] = fp;	93,168✔
422	}	93,168✔

taosdata / TDengine / #4456

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