#3552

Committed 11 Dec 2024 06:08AM UTC coverage: 62.526% (+0.7%) from 61.798%

Build # #3552

Build Type

push

travis-ci

Committed by

web-flow

Commit Message

Merge pull request #29092 from taosdata/fix/3.0/TD-33146

fix:[TD-33146] stmt_get_tag_fields return error code

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124833 of 255773 branches covered (48.81%)

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79.71

/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 {
    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) {	2,031✔
34	int32_t code = 0;	2,031✔
35	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,031✔
36
37	pMgmt->cache = taosCacheInit(TSDB_DATA_TYPE_INT, 5000, true, (__cache_free_fn_t)mndFreeShowObj, "show");	2,031✔
38	if (pMgmt->cache == NULL) {	2,031!
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);	2,031✔
45	TAOS_RETURN(code);	2,031✔
46	}
47
48	void mndCleanupShow(SMnode *pMnode) {	2,029✔
49	SShowMgmt *pMgmt = &pMnode->showMgmt;	2,029✔
50	if (pMgmt->cache != NULL) {	2,029!
51	taosCacheCleanup(pMgmt->cache);	2,029✔
52	pMgmt->cache = NULL;	2,029✔
53	}
54	}	2,029✔
55
56	static int32_t convertToRetrieveType(char *name, int32_t len) {	278,797✔
57	int32_t type = -1;	278,797✔
58
59	if (strncasecmp(name, TSDB_INS_TABLE_DNODES, len) == 0) {	278,797✔
60	type = TSDB_MGMT_TABLE_DNODE;	13,787✔
61	} else if (strncasecmp(name, TSDB_INS_TABLE_MNODES, len) == 0) {	265,010✔
62	type = TSDB_MGMT_TABLE_MNODE;	8,787✔
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) {	256,223✔
68	type = TSDB_MGMT_TABLE_QNODE;	4,348✔
69	} else if (strncasecmp(name, TSDB_INS_TABLE_SNODES, len) == 0) {	251,875✔
70	type = TSDB_MGMT_TABLE_SNODE;	4,337✔
71	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES, len) == 0) {	247,538!
72	type = TSDB_MGMT_TABLE_ANODE;	×
73	} else if (strncasecmp(name, TSDB_INS_TABLE_ANODES_FULL, len) == 0) {	247,538!
74	type = TSDB_MGMT_TABLE_ANODE_FULL;	×
75	} else if (strncasecmp(name, TSDB_INS_TABLE_ARBGROUPS, len) == 0) {	247,538!
76	type = TSDB_MGMT_TABLE_ARBGROUP;	×
77	} else if (strncasecmp(name, TSDB_INS_TABLE_CLUSTER, len) == 0) {	247,538✔
78	type = TSDB_MGMT_TABLE_CLUSTER;	8,639✔
79	} else if (strncasecmp(name, TSDB_INS_TABLE_DATABASES, len) == 0) {	238,899✔
80	type = TSDB_MGMT_TABLE_DB;	50,190✔
81	} else if (strncasecmp(name, TSDB_INS_TABLE_FUNCTIONS, len) == 0) {	188,709✔
82	type = TSDB_MGMT_TABLE_FUNC;	14,470✔
83	} else if (strncasecmp(name, TSDB_INS_TABLE_INDEXES, len) == 0) {	174,239✔
84	type = TSDB_MGMT_TABLE_INDEX;	11,811✔
85	} else if (strncasecmp(name, TSDB_INS_TABLE_STABLES, len) == 0) {	162,428✔
86	type = TSDB_MGMT_TABLE_STB;	16,922✔
87	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLES, len) == 0) {	145,506!
88	type = TSDB_MGMT_TABLE_TABLE;	×
89	} else if (strncasecmp(name, TSDB_INS_TABLE_TAGS, len) == 0) {	145,506!
90	type = TSDB_MGMT_TABLE_TAG;	×
91	} else if (strncasecmp(name, TSDB_INS_TABLE_COLS, len) == 0) {	145,506✔
92	type = TSDB_MGMT_TABLE_COL;	13,311✔
93	} else if (strncasecmp(name, TSDB_INS_TABLE_TABLE_DISTRIBUTED, len) == 0) {	132,195!
94	// type = TSDB_MGMT_TABLE_DIST;
95	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS, len) == 0) {	132,242✔
96	type = TSDB_MGMT_TABLE_USER;	5,076✔
97	} else if (strncasecmp(name, TSDB_INS_TABLE_USERS_FULL, len) == 0) {	127,166!
98	type = TSDB_MGMT_TABLE_USER_FULL;	×
99	} else if (strncasecmp(name, TSDB_INS_TABLE_LICENCES, len) == 0) {	127,166✔
100	type = TSDB_MGMT_TABLE_GRANTS;	5,765✔
101	} else if (strncasecmp(name, TSDB_INS_TABLE_VGROUPS, len) == 0) {	121,401✔
102	type = TSDB_MGMT_TABLE_VGROUP;	10,963✔
103	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONSUMERS, len) == 0) {	110,438✔
104	type = TSDB_MGMT_TABLE_CONSUMERS;	7,993✔
105	} else if (strncasecmp(name, TSDB_INS_TABLE_SUBSCRIPTIONS, len) == 0) {	102,445✔
106	type = TSDB_MGMT_TABLE_SUBSCRIPTIONS;	5,829✔
107	} else if (strncasecmp(name, TSDB_PERFS_TABLE_TRANS, len) == 0) {	96,616✔
108	type = TSDB_MGMT_TABLE_TRANS;	7,649✔
109	} else if (strncasecmp(name, TSDB_PERFS_TABLE_SMAS, len) == 0) {	88,967!
110	type = TSDB_MGMT_TABLE_SMAS;	×
111	} else if (strncasecmp(name, TSDB_INS_TABLE_CONFIGS, len) == 0) {	88,967✔
112	type = TSDB_MGMT_TABLE_CONFIGS;	1,445✔
113	} else if (strncasecmp(name, TSDB_PERFS_TABLE_CONNECTIONS, len) == 0) {	87,522✔
114	type = TSDB_MGMT_TABLE_CONNS;	6,493✔
115	} else if (strncasecmp(name, TSDB_PERFS_TABLE_QUERIES, len) == 0) {	81,029✔
116	type = TSDB_MGMT_TABLE_QUERIES;	11,507✔
117	} else if (strncasecmp(name, TSDB_INS_TABLE_VNODES, len) == 0) {	69,522✔
118	type = TSDB_MGMT_TABLE_VNODES;	5,161✔
119	} else if (strncasecmp(name, TSDB_INS_TABLE_TOPICS, len) == 0) {	64,361✔
120	type = TSDB_MGMT_TABLE_TOPICS;	5,071✔
121	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAMS, len) == 0) {	59,290✔
122	type = TSDB_MGMT_TABLE_STREAMS;	11,234✔
123	} else if (strncasecmp(name, TSDB_PERFS_TABLE_APPS, len) == 0) {	48,056✔
124	type = TSDB_MGMT_TABLE_APPS;	10,792✔
125	} else if (strncasecmp(name, TSDB_INS_TABLE_STREAM_TASKS, len) == 0) {	37,264✔
126	type = TSDB_MGMT_TABLE_STREAM_TASKS;	19,629✔
127	} else if (strncasecmp(name, TSDB_INS_TABLE_USER_PRIVILEGES, len) == 0) {	17,635✔
128	type = TSDB_MGMT_TABLE_PRIVILEGES;	4,346✔
129	} else if (strncasecmp(name, TSDB_INS_TABLE_VIEWS, len) == 0) {	13,289✔
130	type = TSDB_MGMT_TABLE_VIEWS;	6,523✔
131	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACTS, len) == 0) {	6,766✔
132	type = TSDB_MGMT_TABLE_COMPACT;	2,296✔
133	} else if (strncasecmp(name, TSDB_INS_TABLE_COMPACT_DETAILS, len) == 0) {	4,470✔
134	type = TSDB_MGMT_TABLE_COMPACT_DETAIL;	4,309✔
135	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_FULL, len) == 0) {	161✔
136	type = TSDB_MGMT_TABLE_GRANTS_FULL;	7✔
137	} else if (strncasecmp(name, TSDB_INS_TABLE_GRANTS_LOGS, len) == 0) {	154✔
138	type = TSDB_MGMT_TABLE_GRANTS_LOGS;	7✔
139	} else if (strncasecmp(name, TSDB_INS_TABLE_MACHINES, len) == 0) {	147✔
140	type = TSDB_MGMT_TABLE_MACHINES;	7✔
141	} else if (strncasecmp(name, TSDB_INS_TABLE_ENCRYPTIONS, len) == 0) {	140✔
142	type = TSDB_MGMT_TABLE_ENCRYPTIONS;	4✔
143	} else if (strncasecmp(name, TSDB_INS_TABLE_TSMAS, len) == 0) {	136✔
144	type = TSDB_MGMT_TABLE_TSMAS;	6✔
145	} else if (strncasecmp(name, TSDB_INS_DISK_USAGE, len) == 0) {	130!
146	type = TSDB_MGMT_TABLE_USAGE;	×
147	} else {
148	mError("invalid show name:%s len:%d", name, len);	130!
149	}
150
151	return type;	278,748✔
152	}
153
154	static SShowObj mndCreateShowObj(SMnode pMnode, SRetrieveTableReq *pReq) {	278,770✔
155	SShowMgmt *pMgmt = &pMnode->showMgmt;	278,770✔
156
157	int64_t showId = atomic_add_fetch_64(&pMgmt->showId, 1);	278,770✔
158	if (showId == 0) atomic_add_fetch_64(&pMgmt->showId, 1);	278,970!
159
160	int32_t size = sizeof(SShowObj);	278,970✔
161
162	SShowObj showObj = {0};	278,970✔
163
164	showObj.id = showId;	278,970✔
165	showObj.pMnode = pMnode;	278,970✔
166	showObj.type = convertToRetrieveType(pReq->tb, tListLen(pReq->tb));	278,970✔
167	(void)memcpy(showObj.db, pReq->db, TSDB_DB_FNAME_LEN);	278,799✔
168	tstrncpy(showObj.filterTb, pReq->filterTb, TSDB_TABLE_NAME_LEN);	278,799✔
169
170	int32_t keepTime = tsShellActivityTimer * 6 * 1000;	278,799✔
171	SShowObj *pShow = taosCachePut(pMgmt->cache, &showId, sizeof(int64_t), &showObj, size, keepTime);	278,799✔
172	if (pShow == NULL) {	279,145!
173	terrno = TSDB_CODE_OUT_OF_MEMORY;	×
174	mError("show:0x%" PRIx64 ", failed to put into cache since %s", showId, terrstr());	×
175	return NULL;	×
176	}
177
178	mTrace("show:0x%" PRIx64 ", is created, data:%p", showId, pShow);	279,145✔
179	return pShow;	279,131✔
180	}
181
182	static void mndFreeShowObj(SShowObj *pShow) {	279,282✔
183	SMnode *pMnode = pShow->pMnode;	279,282✔
184	SShowMgmt *pMgmt = &pMnode->showMgmt;	279,282✔
185
186	ShowFreeIterFp freeFp = pMgmt->freeIterFps[pShow->type];	279,282✔
187	if (freeFp != NULL) {	279,282✔
188	if (pShow->pIter != NULL) {	266,818✔
189	mTrace("show:0x%" PRIx64 ", is destroying, data:%p, pIter:%p, ", pShow->id, pShow, pShow->pIter);	1!
190
191	(*freeFp)(pMnode, pShow->pIter);	1✔
192
193	pShow->pIter = NULL;	1✔
194	}
195	}
196
197	mTrace("show:0x%" PRIx64 ", is destroyed, data:%p", pShow->id, pShow);	279,282✔
198	}	279,282✔
199
200	static SShowObj mndAcquireShowObj(SMnode pMnode, int64_t showId) {	4,819✔
201	SShowMgmt *pMgmt = &pMnode->showMgmt;	4,819✔
202
203	SShowObj *pShow = taosCacheAcquireByKey(pMgmt->cache, &showId, sizeof(showId));	4,819✔
204	if (pShow == NULL) {	4,822!
205	mError("show:0x%" PRIx64 ", already destroyed", showId);	×
206	return NULL;	×
207	}
208
209	mTrace("show:0x%" PRIx64 ", acquired from cache, data:%p", pShow->id, pShow);	4,822!
210	return pShow;	4,822✔
211	}
212
213	static void mndReleaseShowObj(SShowObj *pShow, bool forceRemove) {	283,592✔
214	if (pShow == NULL) return;	283,592!
215	mTrace("show:0x%" PRIx64 ", released from cache, data:%p force:%d", pShow->id, pShow, forceRemove);	283,592✔
216
217	// A bug in tcache.c
218	forceRemove = 0;	283,592✔
219
220	SMnode *pMnode = pShow->pMnode;	283,592✔
221	SShowMgmt *pMgmt = &pMnode->showMgmt;	283,592✔
222	taosCacheRelease(pMgmt->cache, (void **)(&pShow), forceRemove);	283,592✔
223	}
224
225	static int32_t mndProcessRetrieveSysTableReq(SRpcMsg *pReq) {	283,898✔
226	int32_t code = 0;	283,898✔
227	SMnode *pMnode = pReq->info.node;	283,898✔
228	SShowMgmt *pMgmt = &pMnode->showMgmt;	283,898✔
229	SShowObj *pShow = NULL;	283,898✔
230	int32_t rowsToRead = SHOW_STEP_SIZE;	283,898✔
231	int32_t size = 0;	283,898✔
232	int32_t rowsRead = 0;	283,898✔
233	mDebug("mndProcessRetrieveSysTableReq start");	283,898✔
234	SRetrieveTableReq retrieveReq = {0};	283,897✔
235	TAOS_CHECK_RETURN(tDeserializeSRetrieveTableReq(pReq->pCont, pReq->contLen, &retrieveReq));	283,897✔
236
237	mDebug("process to retrieve systable req db:%s, tb:%s", retrieveReq.db, retrieveReq.tb);	283,790✔
238
239	if (retrieveReq.showId == 0) {	283,766✔
240	STableMetaRsp *pMeta = taosHashGet(pMnode->infosMeta, retrieveReq.tb, strlen(retrieveReq.tb));	278,947✔
241	if (pMeta == NULL) {	279,039✔
242	pMeta = taosHashGet(pMnode->perfsMeta, retrieveReq.tb, strlen(retrieveReq.tb));	44,515✔
243	if (pMeta == NULL) {	44,516!
244	code = TSDB_CODE_PAR_TABLE_NOT_EXIST;	×
245	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	×
246	TAOS_RETURN(code);	×
247	}
248	}
249
250	pShow = mndCreateShowObj(pMnode, &retrieveReq);	279,040✔
251	if (pShow == NULL) {	278,952!
252	code = terrno;	×
253	mError("failed to process show-meta req since %s", tstrerror(code));	×
254	TAOS_RETURN(code);	×
255	}
256
257	pShow->pMeta = pMeta;	278,984✔
258	pShow->numOfColumns = pShow->pMeta->numOfColumns;	278,984✔
259	} else {
260	pShow = mndAcquireShowObj(pMnode, retrieveReq.showId);	4,819✔
261	if (pShow == NULL) {	4,821✔
262	code = TSDB_CODE_MND_INVALID_SHOWOBJ;	120✔
263	mError("failed to process show-retrieve req:%p since %s", pShow, tstrerror(code));	120!
264	TAOS_RETURN(code);	120✔
265	}
266	}
267
268	if (pShow->type == TSDB_MGMT_TABLE_COL) { // expend capacity for ins_columns	283,685✔
269	rowsToRead = SHOW_COLS_STEP_SIZE;	13,335✔
270	} else if (pShow->type == TSDB_MGMT_TABLE_PRIVILEGES) {	270,350✔
271	rowsToRead = SHOW_PRIVILEGES_STEP_SIZE;	4,357✔
272	}
273	ShowRetrieveFp retrieveFp = pMgmt->retrieveFps[pShow->type];	283,685✔
274	if (retrieveFp == NULL) {	283,685!
275	mndReleaseShowObj(pShow, false);	×
276	code = TSDB_CODE_MSG_NOT_PROCESSED;	×
277	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
278	TAOS_RETURN(code);	×
279	}
280
281	mDebug("show:0x%" PRIx64 ", start retrieve data, type:%d", pShow->id, pShow->type);	283,685✔
282	if (retrieveReq.user[0] != 0) {	283,600✔
283	(void)memcpy(pReq->info.conn.user, retrieveReq.user, TSDB_USER_LEN);	283,578✔
284	} else {
285	(void)memcpy(pReq->info.conn.user, TSDB_DEFAULT_USER, strlen(TSDB_DEFAULT_USER) + 1);	22✔
286	}
287	code = -1;	283,600✔
288	if (retrieveReq.db[0] &&	288,220✔
289	(code = mndCheckShowPrivilege(pMnode, pReq->info.conn.user, pShow->type, retrieveReq.db)) != 0) {	4,620✔
290	TAOS_RETURN(code);	6✔
291	}
292	if (pShow->type == TSDB_MGMT_TABLE_USER_FULL) {	283,594!
293	if (strcmp(pReq->info.conn.user, "root") != 0) {	×
294	mError("The operation is not permitted, user:%s, pShow->type:%d", pReq->info.conn.user, pShow->type);	×
295	code = TSDB_CODE_MND_NO_RIGHTS;	×
296	TAOS_RETURN(code);	×
297	}
298	}
299
300	int32_t numOfCols = pShow->pMeta->numOfColumns;	283,594✔
301
302	SSDataBlock *pBlock = NULL;	283,594✔
303	code = createDataBlock(&pBlock);	283,594✔
304	if (code) {	283,759!
305	TAOS_RETURN(code);	×
306	}
307
308	for (int32_t i = 0; i < numOfCols; ++i) {	4,488,520✔
309	SColumnInfoData idata = {0};	4,203,923✔
310
311	SSchema *p = &pShow->pMeta->pSchemas[i];	4,203,923✔
312
313	idata.info.bytes = p->bytes;	4,203,923✔
314	idata.info.type = p->type;	4,203,923✔
315	idata.info.colId = p->colId;	4,203,923✔
316	TAOS_CHECK_RETURN(blockDataAppendColInfo(pBlock, &idata));	4,203,923!
317	}
318
319	TAOS_CHECK_RETURN(blockDataEnsureCapacity(pBlock, rowsToRead));	284,597!
320
321	if (mndCheckRetrieveFinished(pShow)) {	283,898!
322	mDebug("show:0x%" PRIx64 ", read finished, numOfRows:%d", pShow->id, pShow->numOfRows);	×
323	rowsRead = 0;	×
324	} else {
325	rowsRead = (*retrieveFp)(pReq, pShow, pBlock, rowsToRead);	283,854✔
326	if (rowsRead < 0) {	284,004✔
327	code = rowsRead;	5✔
328	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	5!
329	mndReleaseShowObj(pShow, true);	5✔
330	blockDataDestroy(pBlock);	5✔
331	TAOS_RETURN(code);	5✔
332	}
333
334	pBlock->info.rows = rowsRead;	283,999✔
335	mDebug("show:0x%" PRIx64 ", stop retrieve data, rowsRead:%d numOfRows:%d", pShow->id, rowsRead, pShow->numOfRows);	283,999✔
336	}
337
338	size_t dataEncodeBufSize = blockGetEncodeSize(pBlock);	283,999✔
339	size = sizeof(SRetrieveMetaTableRsp) + sizeof(int32_t) + sizeof(SSysTableSchema) * pShow->pMeta->numOfColumns +	283,903✔
340	dataEncodeBufSize;
341
342	SRetrieveMetaTableRsp *pRsp = rpcMallocCont(size);	283,903✔
343	if (pRsp == NULL) {	283,844!
344	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
345	code = terrno;	×
346	goto _exit;	×
347	}
348
349	pRsp->handle = htobe64(pShow->id);	283,844✔
350
351	if (rowsRead > 0) {	283,806✔
352	char *pStart = pRsp->data;	230,581✔
353	SSchema *ps = pShow->pMeta->pSchemas;	230,581✔
354
355	(int32_t )pStart = htonl(pShow->pMeta->numOfColumns);	230,581✔
356	pStart += sizeof(int32_t); // number of columns	230,581✔
357
358	for (int32_t i = 0; i < pShow->pMeta->numOfColumns; ++i) {	3,987,274✔
359	SSysTableSchema pSchema = (SSysTableSchema )pStart;	3,756,693✔
360	pSchema->bytes = htonl(ps[i].bytes);	3,756,693✔
361	pSchema->colId = htons(ps[i].colId);	3,756,693✔
362	pSchema->type = ps[i].type;	3,756,693✔
363
364	pStart += sizeof(SSysTableSchema);	3,756,693✔
365	}
366
367	int32_t len = blockEncode(pBlock, pStart, dataEncodeBufSize, pShow->pMeta->numOfColumns);	230,581✔
368	if (len < 0) {	230,784!
369	mError("show:0x%" PRIx64 ", failed to retrieve data since %s", pShow->id, tstrerror(code));	×
370	code = terrno;	×
371	return code;	×
372	}
373	}
374
375	pRsp->numOfRows = htonl(rowsRead);	284,009✔
376	pRsp->precision = TSDB_TIME_PRECISION_MILLI; // millisecond time precision	284,009✔
377	pReq->info.rsp = pRsp;	284,009✔
378	pReq->info.rspLen = size;	284,009✔
379
380	if (rowsRead == 0 \|\| mndCheckRetrieveFinished(pShow)) {	284,009✔
381	pRsp->completed = 1;	279,273✔
382	mDebug("show:0x%" PRIx64 ", retrieve completed", pShow->id);	279,273✔
383	mndReleaseShowObj(pShow, true);	279,273✔
384	} else {
385	mDebug("show:0x%" PRIx64 ", retrieve not completed yet", pShow->id);	4,818✔
386	mndReleaseShowObj(pShow, false);	4,818✔
387	}
388
389	blockDataDestroy(pBlock);	283,815✔
390	return TSDB_CODE_SUCCESS;	283,989✔
391	_exit:	×
392	mndReleaseShowObj(pShow, false);	×
393	blockDataDestroy(pBlock);	×
394	if (pRsp) {	×
395	rpcFreeCont(pRsp);	×
396	}
397	return code;	×
398	}
399
400	static bool mndCheckRetrieveFinished(SShowObj *pShow) {	514,280✔
401	if (pShow->pIter == NULL && pShow->numOfRows != 0) {	514,280✔
402	return true;	225,762✔
403	}
404	return false;	288,518✔
405	}
406
407	void mndAddShowRetrieveHandle(SMnode *pMnode, EShowType showType, ShowRetrieveFp fp) {	75,147✔
408	SShowMgmt *pMgmt = &pMnode->showMgmt;	75,147✔
409	pMgmt->retrieveFps[showType] = fp;	75,147✔
410	}	75,147✔
411
412	void mndAddShowFreeIterHandle(SMnode *pMnode, EShowType showType, ShowFreeIterFp fp) {	71,085✔
413	SShowMgmt *pMgmt = &pMnode->showMgmt;	71,085✔
414	pMgmt->freeIterFps[showType] = fp;	71,085✔
415	}	71,085✔

taosdata / TDengine / #3552

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