#3558

Committed 17 Dec 2024 06:05AM UTC coverage: 59.778% (+1.6%) from 58.204%

Build # #3558

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push

travis-ci

Committed by

web-flow

Commit Message

Merge pull request #29179 from taosdata/merge/mainto3.0

merge: form main to 3.0 branch

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104 of 191 new or added lines in 5 files covered. (54.45%)

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78.05

/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_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", retrieveReq.db, retrieveReq.tb);

  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) {	1,516✔
34	int32_t code = 0;	1,516✔
35	SShowMgmt *pMgmt = &pMnode->showMgmt;	1,516✔
36
37	pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");	1,516✔
38	if (pMgmt->cache == NULL) {	1,516!
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);	1,516✔
45	TAOS_RETURN(code);	1,516✔
46	}
47
48	void mndCleanupShow(SMnode *pMnode) {	1,515✔
49	SShowMgmt *pMgmt = &pMnode->showMgmt;	1,515✔
50	if (pMgmt->cache != NULL) {	1,515!
51	taosCacheCleanup(pMgmt->cache);	1,515✔
52	pMgmt->cache = NULL;	1,515✔
53	}
54	}	1,515✔
55
56	static int32_t convertToRetrieveType(char *name, int32_t len) {	211,350✔
57	int32_t type = -1;	211,350✔
58
59	if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {	211,350✔
60	type = TSDB_MGMT_TABLE_DNODE;	7,152✔
61	} else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {	204,198✔
62	type = TSDB_MGMT_TABLE_MNODE;	4,409✔
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) {	199,789✔
68	type = TSDB_MGMT_TABLE_QNODE;	2,184✔
69	} else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {	197,605✔
70	type = TSDB_MGMT_TABLE_SNODE;	2,171✔
71	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {	195,434!
72	type = TSDB_MGMT_TABLE_ANODE;	×
73	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {	195,434!
74	type = TSDB_MGMT_TABLE_ANODE_FULL;	×
75	} else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {	195,434!
76	type = TSDB_MGMT_TABLE_ARBGROUP;	×
77	} else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {	195,434✔
78	type = TSDB_MGMT_TABLE_CLUSTER;	4,303✔
79	} else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {	191,131✔
80	type = TSDB_MGMT_TABLE_DB;	25,336✔
81	} else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {	165,795✔
82	type = TSDB_MGMT_TABLE_FUNC;	7,180✔
83	} else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {	158,615✔
84	type = TSDB_MGMT_TABLE_INDEX;	5,055✔
85	} else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {	153,560✔
86	type = TSDB_MGMT_TABLE_STB;	8,347✔
87	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {	145,213!
88	type = TSDB_MGMT_TABLE_TABLE;	×
89	} else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {	145,213!
90	type = TSDB_MGMT_TABLE_TAG;	×
91	} else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {	145,213✔
92	type = TSDB_MGMT_TABLE_COL;	13,292✔
93	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {	131,921!
94	// type = TSDB_MGMT_TABLE_DIST;
95	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {	132,397✔
96	type = TSDB_MGMT_TABLE_USER;	5,072✔
97	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {	127,325!
98	type = TSDB_MGMT_TABLE_USER_FULL;	×
99	} else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {	127,325✔
100	type = TSDB_MGMT_TABLE_GRANTS;	5,727✔
101	} else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {	121,598✔
102	type = TSDB_MGMT_TABLE_VGROUP;	10,563✔
103	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {	111,035✔
104	type = TSDB_MGMT_TABLE_CONSUMERS;	7,951✔
105	} else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {	103,084✔
106	type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;	5,818✔
107	} else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {	97,266✔
108	type = TSDB_MGMT_TABLE_TRANS;	6,742✔
109	} else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {	90,524!
110	type = TSDB_MGMT_TABLE_SMAS;	×
111	} else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {	90,524✔
112	type = TSDB_MGMT_TABLE_CONFIGS;	1,444✔
113	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {	89,080✔
114	type = TSDB_MGMT_TABLE_CONNS;	6,497✔
115	} else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {	82,583✔
116	type = TSDB_MGMT_TABLE_QUERIES;	11,469✔
117	} else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {	71,114✔
118	type = TSDB_MGMT_TABLE_VNODES;	5,174✔
119	} else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {	65,940✔
120	type = TSDB_MGMT_TABLE_TOPICS;	5,058✔
121	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {	60,882✔
122	type = TSDB_MGMT_TABLE_STREAMS;	11,226✔
123	} else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {	49,656✔
124	type = TSDB_MGMT_TABLE_APPS;	10,783✔
125	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {	38,873✔
126	type = TSDB_MGMT_TABLE_STREAM_TASKS;	19,624✔
127	} else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {	19,249✔
128	type = TSDB_MGMT_TABLE_PRIVILEGES;	4,323✔
129	} else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {	14,926✔
130	type = TSDB_MGMT_TABLE_VIEWS;	6,466✔
131	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {	8,460✔
132	type = TSDB_MGMT_TABLE_COMPACT;	2,229✔
133	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {	6,231✔
134	type = TSDB_MGMT_TABLE_COMPACT_DETAIL;	5,742✔
135	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {	489✔
136	type = TSDB_MGMT_TABLE_GRANTS_FULL;	6✔
137	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {	483✔
138	type = TSDB_MGMT_TABLE_GRANTS_LOGS;	6✔
139	} else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {	477✔
140	type = TSDB_MGMT_TABLE_MACHINES;	6✔
141	} else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {	471!
142	type = TSDB_MGMT_TABLE_ENCRYPTIONS;	×
143	} else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {	471!
UNCOV 144	type = TSDB_MGMT_TABLE_TSMAS;	×
145	} else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {	471!
146	type = TSDB_MGMT_TABLE_USAGE;	×
147	} else if (strncasecmp(name, TSDB_INS_TABLE_FILESETS, len) == 0) {	471!
148	type = TSDB_MGMT_TABLE_FILESETS;	×
149	} else {
150	mError("invalid show name:%s len:%d", name, len);	471!
151	}
152
153	return type;	211,383✔
154	}
155
156	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq) {	211,418✔
157	SShowMgmt *pMgmt = &pMnode->showMgmt;	211,418✔
158
159	int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);	211,418✔
160	if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);	212,126!
161
162	int32_t size = sizeof(SShowObj);	212,126✔
163
164	SShowObj showObj = {0};	212,126✔
165
166	showObj.id = showId;	212,126✔
167	showObj.pMnode = pMnode;	212,126✔
168	showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));	212,126✔
169	(void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);	211,403✔
170	tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);	211,403✔
171
172	int32_t keepTime = tsShellActivityTimer * 6 * 1000;	211,403✔
173	SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);	211,403✔
174	if (pShow == NULL) {	211,989!
175	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
176	mError("show:0x%" PRIx64 ", failed to put into cache since %s", showId, terrstr());	×
177	return NULL;	×
178	}
179
180	mTrace("show:0x%" PRIx64 ", is created, data:%p", showId, pShow);	211,989✔
181	return pShow;	211,947✔
182	}
183
184	static void mndFreeShowObj(SShowObj *pShow) {	212,134✔
185	SMnode *pMnode = pShow->pMnode;	212,134✔
186	SShowMgmt *pMgmt = &pMnode->showMgmt;	212,134✔
187
188	ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];	212,134✔
189	if (freeFp != NULL) {	212,134✔
190	if (pShow->pIter != NULL) {	198,280!
191	mTrace("show:0x%" PRIx64 ", is destroying, data:%p, pIter:%p, ", pShow->id, pShow, pShow->pIter);	×
192
193	(*freeFp)(pMnode, pShow->pIter);	×
194
195	pShow->pIter = NULL;	×
196	}
197	}
198
199	mTrace("show:0x%" PRIx64 ", is destroyed, data:%p", pShow->id, pShow);	212,134✔
200	}	212,134✔
201
202	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId) {	46✔
203	SShowMgmt *pMgmt = &pMnode->showMgmt;	46✔
204
205	SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));	46✔
206	if (pShow == NULL) {	46!
207	mError("show:0x%" PRIx64 ", already destroyed", showId);	×
208	return NULL;	×
209	}
210
211	mTrace("show:0x%" PRIx64 ", acquired from cache, data:%p", pShow->id, pShow);	46!
212	return pShow;	46✔
213	}
214
215	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {	211,556✔
216	if (pShow == NULL) return;	211,556!
217	mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);	211,556✔
218
219	// A bug in tcache.c
220	forceRemove = 0;	211,556✔
221
222	SMnode *pMnode = pShow->pMnode;	211,556✔
223	SShowMgmt *pMgmt = &pMnode->showMgmt;	211,556✔
224	taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);	211,556✔
225	}
226
227	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {	211,735✔
228	int32_t code = 0;	211,735✔
229	SMnode *pMnode = pReq->info.node;	211,735✔
230	SShowMgmt *pMgmt = &pMnode->showMgmt;	211,735✔
231	SShowObj *pShow = NULL;	211,735✔
232	int32_t rowsToRead = SHOW_STEP_SIZE;	211,735✔
233	int32_t size = 0;	211,735✔
234	int32_t rowsRead = 0;	211,735✔
235	mDebug("mndProcessRetrieveSysTableReq start");	211,735✔
236	SRetrieveTableReq retrieveReq = {0};	211,735✔
237	TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));	211,735✔
238
239	mDebug("process to retrieve systable req db:%s, tb:%s", retrieveReq.db, retrieveReq.tb);	211,630✔
240
241	if (retrieveReq.showId == 0) {	211,674✔
242	STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));	211,628✔
243	if (pMeta == NULL) {	212,046✔
244	pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));	43,639✔
245	if (pMeta == NULL) {	43,645!
246	code = TSDB_CODE_PAR_TABLE_NOT_EXIST;	×
247	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	×
248	TAOS_RETURN(code);	×
249	}
250	}
251
252	pShow = mndCreateShowObj(pMnode, &retrieveReq);	212,052✔
253	if (pShow == NULL) {	211,801✔
254	code = terrno;	327✔
255	mError("failed to process show-meta req since %s", tstrerror(code));	×
256	TAOS_RETURN(code);	×
257	}
258
259	pShow->pMeta = pMeta;	211,474✔
260	pShow->numOfColumns = pShow->pMeta->numOfColumns;	211,474✔
261	} else {
262	pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);	46✔
263	if (pShow == NULL) {	46✔
264	code = TSDB_CODE_MND_INVALID_SHOWOBJ;	9✔
265	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	9!
266	TAOS_RETURN(code);	9✔
267	}
268	}
269
270	if (pShow->type == TSDB_MGMT_TABLE_COL) { // expend capacity for ins_columns	211,511✔
271	rowsToRead = SHOW_COLS_STEP_SIZE;	13,295✔
272	} else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {	198,216✔
273	rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;	4,334✔
274	}
275	ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];	211,511✔
276	if (retrieveFp == NULL) {	211,511!
277	mndReleaseShowObj(pShow, false);	×
278	code = TSDB_CODE_MSG_NOT_PROCESSED;	×
279	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
280	TAOS_RETURN(code);	×
281	}
282
283	mDebug("show:0x%" PRIx64 ", start retrieve data, type:%d", pShow->id, pShow->type);	211,511✔
284	if (retrieveReq.user[0] != 0) {	211,521✔
285	(void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);	211,499✔
286	} else {
287	(void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);	22✔
288	}
289	code = -1;	211,521✔
290	if (retrieveReq.db[0] &&	214,153✔
291	(code = mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db)) != 0) {	2,632✔
292	TAOS_RETURN(code);	4✔
293	}
294	if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {	211,517!
295	if (strcmp(pReq->info.conn.user, "root") != 0) {	×
296	mError("The operation is not permitted, user:%s, pShow->type:%d", pReq->info.conn.user, pShow->type);	×
297	code = TSDB_CODE_MND_NO_RIGHTS;	×
298	TAOS_RETURN(code);	×
299	}
300	}
301
302	int32_t numOfCols = pShow->pMeta->numOfColumns;	211,517✔
303
304	SSDataBlock *pBlock = NULL;	211,517✔
305	code = createDataBlock(&pBlock);	211,517✔
306	if (code) {	211,988✔
307	TAOS_RETURN(code);	343✔
308	}
309
310	for (int32_t i = 0; i < numOfCols; ++i) {	3,196,893✔
311	SColumnInfoData idata = {0};	2,985,215✔
312
313	SSchema *p = &pShow->pMeta->pSchemas[i];	2,985,215✔
314
315	idata.info.bytes = p->bytes;	2,985,215✔
316	idata.info.type = p->type;	2,985,215✔
317	idata.info.colId = p->colId;	2,985,215✔
318	TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));	2,985,215!
319	}
320
321	TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));	211,678!
322
323	if (mndCheckRetrieveFinished(pShow)) {	212,063!
324	mDebug("show:0x%" PRIx64 ", read finished, numOfRows:%d", pShow->id, pShow->numOfRows);	×
325	rowsRead = 0;	×
326	} else {
327	rowsRead = (*retrieveFp)(pReq, pShow, pBlock, rowsToRead);	211,934✔
328	if (rowsRead < 0) {	212,108✔
329	code = rowsRead;	3✔
330	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	3!
331	mndReleaseShowObj(pShow, true);	3✔
332	blockDataDestroy(pBlock);	3✔
333	TAOS_RETURN(code);	3✔
334	}
335
336	pBlock->info.rows = rowsRead;	212,105✔
337	mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);	212,105✔
338	}
339
340	size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);	212,105✔
341	size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +	211,982✔
342	dataEncodeBufSize;
343
344	SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);	211,982✔
345	if (pRsp == NULL) {	211,872!
346	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
347	code = terrno;	×
348	goto _exit;	×
349	}
350
351	pRsp->handle = htobe64(pShow->id);	211,872✔
352
353	if (rowsRead > 0) {	211,788✔
354	char *pStart = pRsp->data;	165,902✔
355	SSchema *ps = pShow->pMeta->pSchemas;	165,902✔
356
357	(int32_t )pStart = htonl(pShow->pMeta->numOfColumns);	165,902✔
358	pStart += sizeof(int32_t); // number of columns	165,902✔
359
360	for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {	2,719,128✔
361	SSysTableSchema pSchema = (SSysTableSchema )pStart;	2,553,226✔
362	pSchema->bytes = htonl(ps[i].bytes);	2,553,226✔
363	pSchema->colId = htons(ps[i].colId);	2,553,226✔
364	pSchema->type = ps[i].type;	2,553,226✔
365
366	pStart += sizeof(SSysTableSchema);	2,553,226✔
367	}
368
369	int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);	165,902✔
370	if (len < 0) {	166,002!
371	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
372	code = terrno;	×
373	return code;	×
374	}
375	}
376
377	pRsp->numOfRows = htonl(rowsRead);	211,888✔
378	pRsp->precision = TSDB_TIME_PRECISION_MILLI; // millisecond time precision	211,888✔
379	pReq->info.rsp = pRsp;	211,888✔
380	pReq->info.rspLen = size;	211,888✔
381
382	if (rowsRead == 0 \|\| mndCheckRetrieveFinished(pShow)) {	211,888✔
383	pRsp->completed = 1;	211,891✔
384	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	211,891✔
385	mndReleaseShowObj(pShow, true);	211,891✔
386	} else {
387	mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);	46!
388	mndReleaseShowObj(pShow, false);	46✔
389	}
390
391	blockDataDestroy(pBlock);	211,797✔
392	return TSDB_CODE_SUCCESS;	212,148✔
393	_exit:	×
394	mndReleaseShowObj(pShow, false);	×
395	blockDataDestroy(pBlock);	×
396	if (pRsp) {	×
397	rpcFreeCont(pRsp);	×
398	}
399	return code;	×
400	}
401
402	static bool mndCheckRetrieveFinished(SShowObj *pShow) {	377,665✔
403	if (pShow->pIter == NULL && pShow->numOfRows != 0) {	377,665!
404	return true;	165,850✔
405	}
406	return false;	211,815✔
407	}
408
409	void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {	56,092✔
410	SShowMgmt *pMgmt = &pMnode->showMgmt;	56,092✔
411	pMgmt->retrieveFps[showType] = fp;	56,092✔
412	}	56,092✔
413
414	void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {	53,060✔
415	SShowMgmt *pMgmt = &pMnode->showMgmt;	53,060✔
416	pMgmt->freeIterFps[showType] = fp;	53,060✔
417	}	53,060✔

taosdata / TDengine / #3558

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