#4541

Committed 19 Jul 2025 01:13AM UTC coverage: 56.753% (-1.6%) from 58.31%

Build # #4541

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

fix: subquery memleak (#32024)

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80.08

/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_STREAM_RECALCULATES, len) == 0) {
    type = TSDB_MGMT_TABLE_STREAM_RECALCULATES;
  } 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 if (strncasecmp(name, TSDB_INS_TABLE_VC_COLS, len) == 0) {
    type = TSDB_MGMT_TABLE_VC_COL;
  } else if (strncasecmp(name, TSDB_INS_TABLE_MOUNTS, len) == 0) {
    type = TSDB_MGMT_TABLE_MOUNT;
  } 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(terrno));
    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(terrno));
      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) {	2,490✔
34	int32_t code = 0;	2,490✔
35	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,490✔
36
37	pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");	2,490✔
38	if (pMgmt->cache == NULL) {	2,490!
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);	2,490✔
45	TAOS_RETURN(code);	2,490✔
46	}
47
48	void mndCleanupShow(SMnode *pMnode) {	2,489✔
49	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,489✔
50	if (pMgmt->cache != NULL) {	2,489!
51	taosCacheCleanup(pMgmt->cache);	2,489✔
52	pMgmt->cache = NULL;	2,489✔
53	}
54	}	2,489✔
55
56	static int32_t convertToRetrieveType(char *name, int32_t len) {	422,058✔
57	int32_t type = -1;	422,058✔
58
59	if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {	422,058✔
60	type = TSDB_MGMT_TABLE_DNODE;	15,069✔
61	} else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {	406,989✔
62	type = TSDB_MGMT_TABLE_MNODE;	9,278✔
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) {	397,711✔
68	type = TSDB_MGMT_TABLE_QNODE;	4,358✔
69	} else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {	393,353✔
70	type = TSDB_MGMT_TABLE_SNODE;	7,220✔
71	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {	386,133✔
72	type = TSDB_MGMT_TABLE_ANODE;	4✔
73	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {	386,129✔
74	type = TSDB_MGMT_TABLE_ANODE_FULL;	1✔
75	} else if (strncasecmp(name, TSDB_INS_TABLE_BNODES, len) == 0) {	386,128✔
76	type = TSDB_MGMT_TABLE_BNODE;	278✔
77	} else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {	385,850!
78	type = TSDB_MGMT_TABLE_ARBGROUP;	×
79	} else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {	385,850✔
80	type = TSDB_MGMT_TABLE_CLUSTER;	8,638✔
81	} else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {	377,212✔
82	type = TSDB_MGMT_TABLE_DB;	54,294✔
83	} else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {	322,918✔
84	type = TSDB_MGMT_TABLE_FUNC;	14,411✔
85	} else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {	308,507✔
86	type = TSDB_MGMT_TABLE_INDEX;	13,500✔
87	} else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {	295,007✔
88	type = TSDB_MGMT_TABLE_STB;	20,106✔
89	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {	274,901!
90	type = TSDB_MGMT_TABLE_TABLE;	×
91	} else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {	274,901!
92	type = TSDB_MGMT_TABLE_TAG;	×
93	} else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {	274,901✔
94	type = TSDB_MGMT_TABLE_COL;	21,311✔
95	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {	253,590✔
96	// type = TSDB_MGMT_TABLE_DIST;
97	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {	253,588✔
98	type = TSDB_MGMT_TABLE_USER;	10,126✔
99	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {	243,462!
100	type = TSDB_MGMT_TABLE_USER_FULL;	×
101	} else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {	243,462✔
102	type = TSDB_MGMT_TABLE_GRANTS;	14,376✔
103	} else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {	229,086✔
104	type = TSDB_MGMT_TABLE_VGROUP;	28,174✔
105	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {	200,912✔
106	type = TSDB_MGMT_TABLE_CONSUMERS;	17,320✔
107	} else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {	183,592✔
108	type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;	11,585✔
109	} else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {	172,007✔
110	type = TSDB_MGMT_TABLE_TRANS;	14,603✔
111	} else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {	157,404!
112	type = TSDB_MGMT_TABLE_SMAS;	×
113	} else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {	157,404✔
114	type = TSDB_MGMT_TABLE_CONFIGS;	2,883✔
115	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {	154,521✔
116	type = TSDB_MGMT_TABLE_CONNS;	12,988✔
117	} else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {	141,533✔
118	type = TSDB_MGMT_TABLE_QUERIES;	22,990✔
119	} else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {	118,543✔
120	type = TSDB_MGMT_TABLE_VNODES;	15,957✔
121	} else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {	102,586✔
122	type = TSDB_MGMT_TABLE_TOPICS;	10,131✔
123	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {	92,455✔
124	type = TSDB_MGMT_TABLE_STREAMS;	12,956✔
125	} else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {	79,499✔
126	type = TSDB_MGMT_TABLE_APPS;	21,564✔
127	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {	57,935✔
128	type = TSDB_MGMT_TABLE_STREAM_TASKS;	20,112✔
129	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_RECALCULATES, len) == 0) {	37,823!
130	type = TSDB_MGMT_TABLE_STREAM_RECALCULATES;	×
131	} else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {	37,823✔
132	type = TSDB_MGMT_TABLE_PRIVILEGES;	8,641✔
133	} else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {	29,182✔
134	type = TSDB_MGMT_TABLE_VIEWS;	13,030✔
135	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {	16,152✔
136	type = TSDB_MGMT_TABLE_COMPACT;	4,376✔
137	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {	11,776✔
138	type = TSDB_MGMT_TABLE_COMPACT_DETAIL;	11,475✔
139	} else if (strncasecmp(name, TSDB_INS_TABLE_TRANSACTION_DETAILS, len) == 0) {	301!
140	type = TSDB_MGMT_TABLE_TRANSACTION_DETAIL;	×
141	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {	301✔
142	type = TSDB_MGMT_TABLE_GRANTS_FULL;	7✔
143	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {	294✔
144	type = TSDB_MGMT_TABLE_GRANTS_LOGS;	7✔
145	} else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {	287✔
146	type = TSDB_MGMT_TABLE_MACHINES;	7✔
147	} else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {	280✔
148	type = TSDB_MGMT_TABLE_ENCRYPTIONS;	5✔
149	} else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {	275!
150	type = TSDB_MGMT_TABLE_TSMAS;	×
151	} else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {	275!
152	type = TSDB_MGMT_TABLE_USAGE;	×
153	} else if (strncasecmp(name, TSDB_INS_TABLE_FILESETS, len) == 0) {	275!
154	type = TSDB_MGMT_TABLE_FILESETS;	×
155	} else if (strncasecmp(name, TSDB_INS_TABLE_VC_COLS, len) == 0) {	275!
156	type = TSDB_MGMT_TABLE_VC_COL;	×
157	} else if (strncasecmp(name, TSDB_INS_TABLE_MOUNTS, len) == 0) {	275!
158	type = TSDB_MGMT_TABLE_MOUNT;	×
159	} else {
160	mError("invalid show name:%s len:%d", name, len);	275!
161	}
162
163	return type;	421,825✔
164	}
165
166	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq) {	421,848✔
167	SShowMgmt *pMgmt = &pMnode->showMgmt;	421,848✔
168
169	int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);	421,848✔
170	if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);	422,477!
171
172	int32_t size = sizeof(SShowObj);	422,477✔
173
174	SShowObj showObj = {0};	422,477✔
175
176	showObj.id = showId;	422,477✔
177	showObj.pMnode = pMnode;	422,477✔
178	showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));	422,477✔
179	(void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);	421,872✔
180	tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);	421,872✔
181
182	int32_t keepTime = tsShellActivityTimer * 6 * 1000;	421,872✔
183	SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);	421,872✔
184	if (pShow == NULL) {	422,247!
185	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
186	mError("show:0x%" PRIx64 ", failed to put into cache since %s", showId, terrstr());	×
187	return NULL;	×
188	}
189
190	mTrace("show:0x%" PRIx64 ", is created, data:%p", showId, pShow);	422,247✔
191	return pShow;	422,200✔
192	}
193
194	static void mndFreeShowObj(SShowObj *pShow) {	422,721✔
195	SMnode *pMnode = pShow->pMnode;	422,721✔
196	SShowMgmt *pMgmt = &pMnode->showMgmt;	422,721✔
197
198	ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];	422,721✔
199	if (freeFp != NULL) {	422,721✔
200	if (pShow->pIter != NULL) {	395,203✔
201	mTrace("show:0x%" PRIx64 ", is destroying, data:%p, pIter:%p, ", pShow->id, pShow, pShow->pIter);	1!
202
203	(*freeFp)(pMnode, pShow->pIter);	1✔
204
205	pShow->pIter = NULL;	1✔
206	}
207	}
208
209	mTrace("show:0x%" PRIx64 ", is destroyed, data:%p", pShow->id, pShow);	422,721✔
210	}	422,721✔
211
212	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId) {	18,738✔
213	SShowMgmt *pMgmt = &pMnode->showMgmt;	18,738✔
214
215	SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));	18,738✔
216	if (pShow == NULL) {	18,748!
217	mError("show:0x%" PRIx64 ", already destroyed", showId);	×
218	return NULL;	×
219	}
220
221	mTrace("show:0x%" PRIx64 ", acquired from cache, data:%p", pShow->id, pShow);	18,748!
222	return pShow;	18,748✔
223	}
224
225	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {	440,787✔
226	if (pShow == NULL) return;	440,787!
227	mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);	440,787✔
228
229	// A bug in tcache.c
230	forceRemove = 0;	440,787✔
231
232	SMnode *pMnode = pShow->pMnode;	440,787✔
233	SShowMgmt *pMgmt = &pMnode->showMgmt;	440,787✔
234	taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);	440,787✔
235	}
236
237	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {	441,194✔
238	int32_t code = 0;	441,194✔
239	SMnode *pMnode = pReq->info.node;	441,194✔
240	SShowMgmt *pMgmt = &pMnode->showMgmt;	441,194✔
241	SShowObj *pShow = NULL;	441,194✔
242	int32_t rowsToRead = SHOW_STEP_SIZE;	441,194✔
243	int32_t size = 0;	441,194✔
244	int32_t rowsRead = 0;	441,194✔
245	mDebug("mndProcessRetrieveSysTableReq start");	441,194✔
246	SRetrieveTableReq retrieveReq = {0};	441,194✔
247	TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));	441,194✔
248
249	mDebug("process to retrieve systable req db:%s, tb:%s, compactId:%" PRId64, retrieveReq.db, retrieveReq.tb,	441,238✔
250	retrieveReq.compactId);
251
252	if (retrieveReq.showId == 0) {	440,941✔
253	STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));	422,199✔
254	if (pMeta == NULL) {	422,253✔
255	pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));	89,575✔
256	if (pMeta == NULL) {	89,561!
257	code = TSDB_CODE_PAR_TABLE_NOT_EXIST;	×
258	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	×
259	TAOS_RETURN(code);	×
260	}
261	}
262
263	pShow = mndCreateShowObj(pMnode, &retrieveReq);	422,239✔
264	if (pShow == NULL) {	422,133✔
265	code = terrno;	186✔
266	mError("failed to process show-meta req since %s", tstrerror(code));	×
267	TAOS_RETURN(code);	×
268	}
269
270	pShow->pMeta = pMeta;	421,947✔
271	pShow->numOfColumns = pShow->pMeta->numOfColumns;	421,947✔
272	} else {
273	pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);	18,742✔
274	if (pShow == NULL) {	18,743✔
275	code = TSDB_CODE_MND_INVALID_SHOWOBJ;	52✔
276	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	52!
277	TAOS_RETURN(code);	52✔
278	}
279	}
280
281	if (pShow->type == TSDB_MGMT_TABLE_COL) { // expend capacity for ins_columns	440,638✔
282	rowsToRead = SHOW_COLS_STEP_SIZE;	21,335✔
283	} else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {	419,303✔
284	rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;	8,658✔
285	}
286	ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];	440,638✔
287	if (retrieveFp == NULL) {	440,638!
288	mndReleaseShowObj(pShow, false);	×
289	code = TSDB_CODE_MSG_NOT_PROCESSED;	×
290	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
291	TAOS_RETURN(code);	×
292	}
293
294	mDebug("show:0x%" PRIx64 ", start retrieve data, type:%d", pShow->id, pShow->type);	440,638✔
295	if (retrieveReq.user[0] != 0) {	440,439✔
296	(void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);	440,417✔
297	} else {
298	(void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);	22✔
299	}
300	code = -1;	440,439✔
301	if (retrieveReq.db[0] &&	444,861✔
302	(code = mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db)) != 0) {	4,422✔
303	TAOS_RETURN(code);	4✔
304	}
305	if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {	440,435!
306	if (strcmp(pReq->info.conn.user, "root") != 0) {	×
307	mError("The operation is not permitted, user:%s, pShow->type:%d", pReq->info.conn.user, pShow->type);	×
308	code = TSDB_CODE_MND_NO_RIGHTS;	×
309	TAOS_RETURN(code);	×
310	}
311	}
312
313	int32_t numOfCols = pShow->pMeta->numOfColumns;	440,435✔
314
315	SSDataBlock *pBlock = NULL;	440,435✔
316	code = createDataBlock(&pBlock);	440,435✔
317	if (code) {	440,805✔
318	TAOS_RETURN(code);	40✔
319	}
320
321	for (int32_t i = 0; i < numOfCols; ++i) {	6,585,467✔
322	SColumnInfoData idata = {0};	6,144,072✔
323
324	SSchema *p = &pShow->pMeta->pSchemas[i];	6,144,072✔
325
326	idata.info.bytes = p->bytes;	6,144,072✔
327	idata.info.type = p->type;	6,144,072✔
328	idata.info.colId = p->colId;	6,144,072✔
329	TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));	6,144,072!
330	}
331
332	TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));	441,395!
333
334	if (mndCheckRetrieveFinished(pShow)) {	441,071!
335	mDebug("show:0x%" PRIx64 ", read finished, numOfRows:%d", pShow->id, pShow->numOfRows);	×
336	rowsRead = 0;	×
337	} else {
338	rowsRead = (*retrieveFp)(pReq, pShow, pBlock, rowsToRead);	441,022✔
339	if (rowsRead < 0) {	441,172✔
340	code = rowsRead;	8✔
341	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	8!
342	mndReleaseShowObj(pShow, true);	8✔
343	blockDataDestroy(pBlock);	8✔
344	TAOS_RETURN(code);	8✔
345	}
346
347	pBlock->info.rows = rowsRead;	441,164✔
348	mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);	441,164✔
349	}
350
351	size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);	441,164✔
352	size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +	440,067✔
353	dataEncodeBufSize;
354
355	SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);	440,067✔
356	if (pRsp == NULL) {	440,990!
357	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(terrno));	×
358	code = terrno;	×
359	goto _exit;	×
360	}
361
362	pRsp->handle = htobe64(pShow->id);	440,990✔
363
364	if (rowsRead > 0) {	440,936✔
365	char *pStart = pRsp->data;	309,600✔
366	SSchema *ps = pShow->pMeta->pSchemas;	309,600✔
367
368	(int32_t )pStart = htonl(pShow->pMeta->numOfColumns);	309,600✔
369	pStart += sizeof(int32_t); // number of columns	309,600✔
370
371	for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {	5,199,870✔
372	SSysTableSchema pSchema = (SSysTableSchema )pStart;	4,890,270✔
373	pSchema->bytes = htonl(ps[i].bytes);	4,890,270✔
374	pSchema->colId = htons(ps[i].colId);	4,890,270✔
375	pSchema->type = ps[i].type;	4,890,270✔
376
377	pStart += sizeof(SSysTableSchema);	4,890,270✔
378	}
379
380	int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);	309,600✔
381	if (len < 0) {	309,643!
382	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(terrno));	×
383	code = terrno;	×
384	return code;	×
385	}
386	}
387
388	pRsp->numOfRows = htonl(rowsRead);	440,979✔
389	pRsp->precision = TSDB_TIME_PRECISION_MILLI; // millisecond time precision	440,979✔
390	pReq->info.rsp = pRsp;	440,979✔
391	pReq->info.rspLen = size;	440,979✔
392
393	if (rowsRead == 0 \|\| mndCheckRetrieveFinished(pShow)) {	440,979✔
394	pRsp->completed = 1;	422,317✔
395	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	422,317✔
396	mndReleaseShowObj(pShow, true);	422,317✔
397	} else {
398	mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);	18,731✔
399	mndReleaseShowObj(pShow, false);	18,731✔
400	}
401
402	blockDataDestroy(pBlock);	441,003✔
403	return TSDB_CODE_SUCCESS;	441,390✔
404	_exit:	×
405	mndReleaseShowObj(pShow, false);	×
406	blockDataDestroy(pBlock);	×
407	if (pRsp) {	×
408	rpcFreeCont(pRsp);	×
409	}
410	return code;	×
411	}
412
413	static bool mndCheckRetrieveFinished(SShowObj *pShow) {	750,488✔
414	if (pShow->pIter == NULL && pShow->numOfRows != 0) {	750,488✔
415	return true;	290,808✔
416	}
417	return false;	459,680✔
418	}
419
420	void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {	104,580✔
421	SShowMgmt *pMgmt = &pMnode->showMgmt;	104,580✔
422	pMgmt->retrieveFps[showType] = fp;	104,580✔
423	}	104,580✔
424
425	void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {	94,620✔
426	SShowMgmt *pMgmt = &pMnode->showMgmt;	94,620✔
427	pMgmt->freeIterFps[showType] = fp;	94,620✔
428	}	94,620✔

taosdata / TDengine / #4541

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