#4167

Committed 26 May 2025 05:50AM UTC coverage: 62.885% (-0.1%) from 63.028%

Build # #4167

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Commit Message

test; basic cases (#31203)

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78.83

/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_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) {	2,136✔
34	int32_t code = 0;	2,136✔
35	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,136✔
36
37	pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");	2,136✔
38	if (pMgmt->cache == NULL) {	2,136!
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);	2,136✔
45	TAOS_RETURN(code);	2,136✔
46	}
47
48	void mndCleanupShow(SMnode *pMnode) {	2,135✔
49	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,135✔
50	if (pMgmt->cache != NULL) {	2,135!
51	taosCacheCleanup(pMgmt->cache);	2,135✔
52	pMgmt->cache = NULL;	2,135✔
53	}
54	}	2,135✔
55
56	static int32_t convertToRetrieveType(char *name, int32_t len) {	234,466✔
57	int32_t type = -1;	234,466✔
58
59	if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {	234,466✔
60	type = TSDB_MGMT_TABLE_DNODE;	7,640✔
61	} else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {	226,826✔
62	type = TSDB_MGMT_TABLE_MNODE;	4,555✔
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) {	222,271✔
68	type = TSDB_MGMT_TABLE_QNODE;	2,197✔
69	} else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {	220,074✔
70	type = TSDB_MGMT_TABLE_SNODE;	2,187✔
71	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {	217,887✔
72	type = TSDB_MGMT_TABLE_ANODE;	4✔
73	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {	217,883✔
74	type = TSDB_MGMT_TABLE_ANODE_FULL;	1✔
75	} else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {	217,882!
76	type = TSDB_MGMT_TABLE_ARBGROUP;	×
77	} else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {	217,882✔
78	type = TSDB_MGMT_TABLE_CLUSTER;	4,332✔
79	} else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {	213,550✔
80	type = TSDB_MGMT_TABLE_DB;	27,645✔
81	} else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {	185,905✔
82	type = TSDB_MGMT_TABLE_FUNC;	7,233✔
83	} else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {	178,672✔
84	type = TSDB_MGMT_TABLE_INDEX;	6,780✔
85	} else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {	171,892✔
86	type = TSDB_MGMT_TABLE_STB;	9,922✔
87	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {	161,970!
88	type = TSDB_MGMT_TABLE_TABLE;	×
89	} else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {	161,970!
90	type = TSDB_MGMT_TABLE_TAG;	×
91	} else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {	161,970✔
92	type = TSDB_MGMT_TABLE_COL;	14,103✔
93	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {	147,867✔
94	// type = TSDB_MGMT_TABLE_DIST;
95	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {	147,769✔
96	type = TSDB_MGMT_TABLE_USER;	5,094✔
97	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {	142,675!
98	type = TSDB_MGMT_TABLE_USER_FULL;	×
99	} else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {	142,675✔
100	type = TSDB_MGMT_TABLE_GRANTS;	5,849✔
101	} else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {	136,826✔
102	type = TSDB_MGMT_TABLE_VGROUP;	13,582✔
103	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {	123,244✔
104	type = TSDB_MGMT_TABLE_CONSUMERS;	8,735✔
105	} else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {	114,509✔
106	type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;	5,852✔
107	} else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {	108,657✔
108	type = TSDB_MGMT_TABLE_TRANS;	7,439✔
109	} else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {	101,218!
110	type = TSDB_MGMT_TABLE_SMAS;	×
111	} else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {	101,218✔
112	type = TSDB_MGMT_TABLE_CONFIGS;	1,445✔
113	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {	99,773✔
114	type = TSDB_MGMT_TABLE_CONNS;	6,533✔
115	} else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {	93,240✔
116	type = TSDB_MGMT_TABLE_QUERIES;	11,524✔
117	} else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {	81,716✔
118	type = TSDB_MGMT_TABLE_VNODES;	12,779✔
119	} else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {	68,937✔
120	type = TSDB_MGMT_TABLE_TOPICS;	5,087✔
121	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {	63,850✔
122	type = TSDB_MGMT_TABLE_STREAMS;	11,994✔
123	} else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {	51,856✔
124	type = TSDB_MGMT_TABLE_APPS;	10,805✔
125	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {	41,051✔
126	type = TSDB_MGMT_TABLE_STREAM_TASKS;	22,082✔
127	} else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {	18,969✔
128	type = TSDB_MGMT_TABLE_PRIVILEGES;	4,335✔
129	} else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {	14,634✔
130	type = TSDB_MGMT_TABLE_VIEWS;	6,551✔
131	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {	8,083✔
132	type = TSDB_MGMT_TABLE_COMPACT;	2,237✔
133	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {	5,846✔
134	type = TSDB_MGMT_TABLE_COMPACT_DETAIL;	5,755✔
135	} else if (strncasecmp(name, TSDB_INS_TABLE_TRANSACTION_DETAILS, len) == 0) {	91!
136	type = TSDB_MGMT_TABLE_TRANSACTION_DETAIL;	×
137	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {	91✔
138	type = TSDB_MGMT_TABLE_GRANTS_FULL;	77✔
139	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {	14✔
140	type = TSDB_MGMT_TABLE_GRANTS_LOGS;	11✔
141	} else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {	3!
142	type = TSDB_MGMT_TABLE_MACHINES;	9✔
143	} else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {	×
144	type = TSDB_MGMT_TABLE_ENCRYPTIONS;	4✔
145	} else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {	×
146	type = TSDB_MGMT_TABLE_TSMAS;	6✔
147	} else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {	×
148	type = TSDB_MGMT_TABLE_USAGE;	×
149	} else if (strncasecmp(name, TSDB_INS_TABLE_FILESETS, len) == 0) {	×
150	type = TSDB_MGMT_TABLE_FILESETS;	×
151	} else {
152	mError("invalid show name:%s len:%d", name, len);	×
153	}
154
155	return type;	234,389✔
156	}
157
158	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq) {	234,419✔
159	SShowMgmt *pMgmt = &pMnode->showMgmt;	234,419✔
160
161	int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);	234,419✔
162	if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);	234,669!
163
164	int32_t size = sizeof(SShowObj);	234,669✔
165
166	SShowObj showObj = {0};	234,669✔
167
168	showObj.id = showId;	234,669✔
169	showObj.pMnode = pMnode;	234,669✔
170	showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));	234,669✔
171	(void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);	234,410✔
172	tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);	234,410✔
173
174	int32_t keepTime = tsShellActivityTimer * 6 * 1000;	234,410✔
175	SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);	234,410✔
176	if (pShow == NULL) {	234,611!
177	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
178	mError("show:0x%" PRIx64 ", failed to put into cache since %s", showId, terrstr());	×
179	return NULL;	×
180	}
181
182	mTrace("show:0x%" PRIx64 ", is created, data:%p", showId, pShow);	234,611✔
183	return pShow;	234,598✔
184	}
185
186	static void mndFreeShowObj(SShowObj *pShow) {	234,731✔
187	SMnode *pMnode = pShow->pMnode;	234,731✔
188	SShowMgmt *pMgmt = &pMnode->showMgmt;	234,731✔
189
190	ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];	234,731✔
191	if (freeFp != NULL) {	234,731✔
192	if (pShow->pIter != NULL) {	220,868✔
193	mTrace("show:0x%" PRIx64 ", is destroying, data:%p, pIter:%p, ", pShow->id, pShow, pShow->pIter);	1!
194
195	(*freeFp)(pMnode, pShow->pIter);	1✔
196
197	pShow->pIter = NULL;	1✔
198	}
199	}
200
201	mTrace("show:0x%" PRIx64 ", is destroyed, data:%p", pShow->id, pShow);	234,731✔
202	}	234,731✔
203
204	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId) {	9,040✔
205	SShowMgmt *pMgmt = &pMnode->showMgmt;	9,040✔
206
207	SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));	9,040✔
208	if (pShow == NULL) {	9,042!
209	mError("show:0x%" PRIx64 ", already destroyed", showId);	×
210	return NULL;	×
211	}
212
213	mTrace("show:0x%" PRIx64 ", acquired from cache, data:%p", pShow->id, pShow);	9,042!
214	return pShow;	9,042✔
215	}
216
217	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {	243,550✔
218	if (pShow == NULL) return;	243,550!
219	mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);	243,550✔
220
221	// A bug in tcache.c
222	forceRemove = 0;	243,550✔
223
224	SMnode *pMnode = pShow->pMnode;	243,550✔
225	SShowMgmt *pMgmt = &pMnode->showMgmt;	243,550✔
226	taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);	243,550✔
227	}
228
229	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {	243,675✔
230	int32_t code = 0;	243,675✔
231	SMnode *pMnode = pReq->info.node;	243,675✔
232	SShowMgmt *pMgmt = &pMnode->showMgmt;	243,675✔
233	SShowObj *pShow = NULL;	243,675✔
234	int32_t rowsToRead = SHOW_STEP_SIZE;	243,675✔
235	int32_t size = 0;	243,675✔
236	int32_t rowsRead = 0;	243,675✔
237	mDebug("mndProcessRetrieveSysTableReq start");	243,675✔
238	SRetrieveTableReq retrieveReq = {0};	243,675✔
239	TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));	243,675✔
240
241	mDebug("process to retrieve systable req db:%s, tb:%s, compactId:%" PRId64, retrieveReq.db, retrieveReq.tb,	243,663✔
242	retrieveReq.compactId);
243
244	if (retrieveReq.showId == 0) {	243,585✔
245	STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));	234,543✔
246	if (pMeta == NULL) {	234,590✔
247	pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));	45,071✔
248	if (pMeta == NULL) {	45,088!
249	code = TSDB_CODE_PAR_TABLE_NOT_EXIST;	×
250	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	×
251	TAOS_RETURN(code);	×
252	}
253	}
254
255	pShow = mndCreateShowObj(pMnode, &retrieveReq);	234,607✔
256	if (pShow == NULL) {	234,560✔
257	code = terrno;	88✔
258	mError("failed to process show-meta req since %s", tstrerror(code));	×
259	TAOS_RETURN(code);	×
260	}
261
262	pShow->pMeta = pMeta;	234,472✔
263	pShow->numOfColumns = pShow->pMeta->numOfColumns;	234,472✔
264	} else {
265	pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);	9,042✔
266	if (pShow == NULL) {	9,042✔
267	code = TSDB_CODE_MND_INVALID_SHOWOBJ;	34✔
268	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	34!
269	TAOS_RETURN(code);	34✔
270	}
271	}
272
273	if (pShow->type == TSDB_MGMT_TABLE_COL) { // expend capacity for ins_columns	243,480✔
274	rowsToRead = SHOW_COLS_STEP_SIZE;	14,127✔
275	} else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {	229,353✔
276	rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;	4,339✔
277	}
278	ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];	243,480✔
279	if (retrieveFp == NULL) {	243,480!
280	mndReleaseShowObj(pShow, false);	×
281	code = TSDB_CODE_MSG_NOT_PROCESSED;	×
282	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
283	TAOS_RETURN(code);	×
284	}
285
286	mDebug("show:0x%" PRIx64 ", start retrieve data, type:%d", pShow->id, pShow->type);	243,480✔
287	if (retrieveReq.user[0] != 0) {	243,438✔
288	(void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);	243,416✔
289	} else {
290	(void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);	22✔
291	}
292	code = -1;	243,438✔
293	if (retrieveReq.db[0] &&	252,813✔
294	(code = mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db)) != 0) {	9,374✔
295	TAOS_RETURN(code);	4✔
296	}
297	if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {	243,435!
298	if (strcmp(pReq->info.conn.user, "root") != 0) {	×
299	mError("The operation is not permitted, user:%s, pShow->type:%d", pReq->info.conn.user, pShow->type);	×
300	code = TSDB_CODE_MND_NO_RIGHTS;	×
301	TAOS_RETURN(code);	×
302	}
303	}
304
305	int32_t numOfCols = pShow->pMeta->numOfColumns;	243,435✔
306
307	SSDataBlock *pBlock = NULL;	243,435✔
308	code = createDataBlock(&pBlock);	243,435✔
309	if (code) {	243,530✔
310	TAOS_RETURN(code);	23✔
311	}
312
313	for (int32_t i = 0; i < numOfCols; ++i) {	3,873,231✔
314	SColumnInfoData idata = {0};	3,629,819✔
315
316	SSchema *p = &pShow->pMeta->pSchemas[i];	3,629,819✔
317
318	idata.info.bytes = p->bytes;	3,629,819✔
319	idata.info.type = p->type;	3,629,819✔
320	idata.info.colId = p->colId;	3,629,819✔
321	TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));	3,629,819!
322	}
323
324	TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));	243,412!
325
326	if (mndCheckRetrieveFinished(pShow)) {	243,632!
327	mDebug("show:0x%" PRIx64 ", read finished, numOfRows:%d", pShow->id, pShow->numOfRows);	×
328	rowsRead = 0;	×
329	} else {
330	rowsRead = (*retrieveFp)(pReq, pShow, pBlock, rowsToRead);	243,610✔
331	if (rowsRead < 0) {	243,701✔
332	code = rowsRead;	3✔
333	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	3!
334	mndReleaseShowObj(pShow, true);	3✔
335	blockDataDestroy(pBlock);	3✔
336	TAOS_RETURN(code);	3✔
337	}
338
339	pBlock->info.rows = rowsRead;	243,698✔
340	mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);	243,698✔
341	}
342
343	size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);	243,698✔
344	size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +	243,466✔
345	dataEncodeBufSize;
346
347	SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);	243,466✔
348	if (pRsp == NULL) {	243,660!
349	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
350	code = terrno;	×
351	goto _exit;	×
352	}
353
354	pRsp->handle = htobe64(pShow->id);	243,660✔
355
356	if (rowsRead > 0) {	243,620✔
357	char *pStart = pRsp->data;	194,963✔
358	SSchema *ps = pShow->pMeta->pSchemas;	194,963✔
359
360	(int32_t )pStart = htonl(pShow->pMeta->numOfColumns);	194,963✔
361	pStart += sizeof(int32_t); // number of columns	194,963✔
362
363	for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {	3,411,644✔
364	SSysTableSchema pSchema = (SSysTableSchema )pStart;	3,216,681✔
365	pSchema->bytes = htonl(ps[i].bytes);	3,216,681✔
366	pSchema->colId = htons(ps[i].colId);	3,216,681✔
367	pSchema->type = ps[i].type;	3,216,681✔
368
369	pStart += sizeof(SSysTableSchema);	3,216,681✔
370	}
371
372	int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);	194,963✔
373	if (len < 0) {	194,938!
374	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
375	code = terrno;	×
376	return code;	×
377	}
378	}
379
380	pRsp->numOfRows = htonl(rowsRead);	243,595✔
381	pRsp->precision = TSDB_TIME_PRECISION_MILLI; // millisecond time precision	243,595✔
382	pReq->info.rsp = pRsp;	243,595✔
383	pReq->info.rspLen = size;	243,595✔
384
385	if (rowsRead == 0 \|\| mndCheckRetrieveFinished(pShow)) {	243,595✔
386	pRsp->completed = 1;	234,595✔
387	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	234,595✔
388	mndReleaseShowObj(pShow, true);	234,595✔
389	} else {
390	mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);	9,045✔
391	mndReleaseShowObj(pShow, false);	9,045✔
392	}
393
394	blockDataDestroy(pBlock);	243,606✔
395	return TSDB_CODE_SUCCESS;	243,744✔
396	_exit:	×
397	mndReleaseShowObj(pShow, false);	×
398	blockDataDestroy(pBlock);	×
399	if (pRsp) {	×
400	rpcFreeCont(pRsp);	×
401	}
402	return code;	×
403	}
404
405	static bool mndCheckRetrieveFinished(SShowObj *pShow) {	438,465✔
406	if (pShow->pIter == NULL && pShow->numOfRows != 0) {	438,465✔
407	return true;	185,881✔
408	}
409	return false;	252,584✔
410	}
411
412	void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {	81,168✔
413	SShowMgmt *pMgmt = &pMnode->showMgmt;	81,168✔
414	pMgmt->retrieveFps[showType] = fp;	81,168✔
415	}	81,168✔
416
417	void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {	74,760✔
418	SShowMgmt *pMgmt = &pMnode->showMgmt;	74,760✔
419	pMgmt->freeIterFps[showType] = fp;	74,760✔
420	}	74,760✔

taosdata / TDengine / #4167

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