taosdata/TDengine | Build 3798 | source/dnode/mnode/sdb/src/sdbHash.c | Coveralls

21

const char *sdbTableName(ESdbType type) {

×

22

  switch (type) {

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    case SDB_TRANS:

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      return "trans";

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    case SDB_CLUSTER:

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      return "cluster";

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    case SDB_MNODE:

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      return "mnode";

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    case SDB_QNODE:

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      return "qnode";

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    case SDB_SNODE:

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      return "snode";

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33

    case SDB_DNODE:

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34

      return "dnode";

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35

    case SDB_USER:

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      return "user";

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37

    case SDB_AUTH:

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38

      return "auth";

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39

    case SDB_ACCT:

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      return "acct";

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41

    case SDB_STREAM_CK:

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      return "stream_ck";

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43

    case SDB_STREAM:

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44

      return "stream";

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45

    case SDB_OFFSET:

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46

      return "offset";

×

47

    case SDB_SUBSCRIBE:

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48

      return "subscribe";

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49

    case SDB_CONSUMER:

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50

      return "consumer";

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51

    case SDB_TOPIC:

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52

      return "topic";

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53

    case SDB_VGROUP:

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54

      return "vgroup";

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55

    case SDB_SMA:

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      return "sma";

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57

    case SDB_STB:

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58

      return "stb";

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59

    case SDB_DB:

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      return "db";

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61

    case SDB_FUNC:

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      return "func";

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    case SDB_IDX:

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64

      return "idx";

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65

    case SDB_VIEW:

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      return "view";

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67

    case SDB_STREAM_SEQ:

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      return "stream_seq";

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69

    case SDB_COMPACT:

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      return "compact";

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71

    case SDB_COMPACT_DETAIL:

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      return "compact_detail";

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73

    case SDB_GRANT:

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74

      return "grant";

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75

    case SDB_ARBGROUP:

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      return "arb_group";

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77

    case SDB_ANODE:

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      return "anode";

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79

    case SDB_CFG:

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      return "config";

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81

    default:

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82

      return "undefine";

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86

const char *sdbStatusName(ESdbStatus status) {

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  switch (status) {

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    case SDB_STATUS_CREATING:

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      return "creating";

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    case SDB_STATUS_DROPPING:

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      return "dropping";

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    case SDB_STATUS_READY:

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      return "ready";

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    case SDB_STATUS_DROPPED:

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      return "dropped";

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    case SDB_STATUS_INIT:

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      return "init";

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    case SDB_STATUS_UPDATE:

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      return "update";

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    default:

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      return "undefine";

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105

void sdbPrintOper(SSdb *pSdb, SSdbRow *pRow, const char *oper) {

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  EKeyType keyType = pSdb->keyTypes[pRow->type];

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  if (keyType == SDB_KEY_BINARY) {

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    mTrace("%s:%s, ref:%d oper:%s row:%p row->pObj:%p status:%s", sdbTableName(pRow->type), (char *)pRow->pObj,

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112

  } else if (keyType == SDB_KEY_INT32) {

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    mTrace("%s:%d, ref:%d oper:%s row:%p row->pObj:%p status:%s", sdbTableName(pRow->type), *(int32_t *)pRow->pObj,

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115

  } else if (keyType == SDB_KEY_INT64) {

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    mTrace("%s:%" PRId64 ", ref:%d oper:%s row:%p row->pObj:%p status:%s", sdbTableName(pRow->type),

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×

123

static SHashObj *sdbGetHash(SSdb *pSdb, int32_t type) {

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124

  if (type >= SDB_MAX || type < 0) {

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    terrno = TSDB_CODE_SDB_INVALID_TABLE_TYPE;

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126

    return NULL;

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129

  SHashObj *hash = pSdb->hashObjs[type];

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130

  if (hash == NULL) {

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131

    terrno = TSDB_CODE_APP_ERROR;

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132

    return NULL;

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135

  return hash;

×

138

static int32_t sdbGetkeySize(SSdb *pSdb, ESdbType type, const void *pKey) {

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139

  int32_t  keySize = 0;

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  EKeyType keyType = pSdb->keyTypes[type];

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142

  if (keyType == SDB_KEY_INT32) {

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    keySize = sizeof(int32_t);

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144

  } else if (keyType == SDB_KEY_BINARY) {

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    keySize = strlen(pKey) + 1;

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147

    keySize = sizeof(int64_t);

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150

  return keySize;

×

153

static int32_t sdbInsertRow(SSdb *pSdb, SHashObj *hash, SSdbRaw *pRaw, SSdbRow *pRow, int32_t keySize) {

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154

  int32_t type = pRow->type;

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155

  sdbWriteLock(pSdb, type);

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157

  SSdbRow *pOldRow = taosHashGet(hash, pRow->pObj, keySize);

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158

  if (pOldRow != NULL) {

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159

    sdbUnLock(pSdb, type);

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160

    sdbFreeRow(pSdb, pRow, false);

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161

    terrno = TSDB_CODE_SDB_OBJ_ALREADY_THERE;

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162

    return terrno;

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165

  pRow->refCount = 0;

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166

  pRow->status = pRaw->status;

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  sdbPrintOper(pSdb, pRow, "insert");

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169

  int32_t code = 0;

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  if ((code = taosHashPut(hash, pRow->pObj, keySize, &pRow, sizeof(void *))) != 0) {

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171

    sdbUnLock(pSdb, type);

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    sdbFreeRow(pSdb, pRow, false);

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    return code;

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176

  SdbInsertFp insertFp = pSdb->insertFps[pRow->type];

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  if (insertFp != NULL) {

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    code = (*insertFp)(pSdb, pRow->pObj);

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    if (code != 0) {

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180

      if (taosHashRemove(hash, pRow->pObj, keySize) != 0) {

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181

        mError("failed to remove row from hash");

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      sdbFreeRow(pSdb, pRow, false);

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      sdbUnLock(pSdb, type);

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      terrno = code;

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      return terrno;

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  sdbUnLock(pSdb, type);

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  if (pSdb->keyTypes[pRow->type] == SDB_KEY_INT32) {

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    pSdb->maxId[pRow->type] = TMAX(pSdb->maxId[pRow->type], *((int32_t *)pRow->pObj));

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  if (pSdb->keyTypes[pRow->type] == SDB_KEY_INT64) {

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    pSdb->maxId[pRow->type] = TMAX(pSdb->maxId[pRow->type], *((int64_t *)pRow->pObj));

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  pSdb->tableVer[pRow->type]++;

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  return 0;

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203

static int32_t sdbUpdateRow(SSdb *pSdb, SHashObj *hash, SSdbRaw *pRaw, SSdbRow *pNewRow, int32_t keySize) {

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  int32_t type = pNewRow->type;

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205

  sdbWriteLock(pSdb, type);

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207

  SSdbRow **ppOldRow = taosHashGet(hash, pNewRow->pObj, keySize);

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  if (ppOldRow == NULL || *ppOldRow == NULL) {

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    sdbUnLock(pSdb, type);

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    return sdbInsertRow(pSdb, hash, pRaw, pNewRow, keySize);

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  SSdbRow *pOldRow = *ppOldRow;

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  pOldRow->status = pRaw->status;

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  sdbPrintOper(pSdb, pOldRow, "update");

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  int32_t     code = 0;

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  SdbUpdateFp updateFp = pSdb->updateFps[type];

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  if (updateFp != NULL) {

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    code = (*updateFp)(pSdb, pOldRow->pObj, pNewRow->pObj);

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  sdbUnLock(pSdb, type);

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  sdbFreeRow(pSdb, pNewRow, false);

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  pSdb->tableVer[pOldRow->type]++;

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  return code;

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static int32_t sdbDeleteRow(SSdb *pSdb, SHashObj *hash, SSdbRaw *pRaw, SSdbRow *pRow, int32_t keySize) {

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  int32_t type = pRow->type;

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233

  sdbWriteLock(pSdb, type);

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  SSdbRow **ppOldRow = taosHashGet(hash, pRow->pObj, keySize);

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  if (ppOldRow == NULL || *ppOldRow == NULL) {

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    sdbUnLock(pSdb, type);

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    sdbFreeRow(pSdb, pRow, false);

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    terrno = TSDB_CODE_SDB_OBJ_NOT_THERE;

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    return terrno;

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  SSdbRow *pOldRow = *ppOldRow;

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  pOldRow->status = pRaw->status;

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  (void)atomic_add_fetch_32(&pOldRow->refCount, 1);

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  sdbPrintOper(pSdb, pOldRow, "delete");

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  if (taosHashRemove(hash, pOldRow->pObj, keySize) != 0) {

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    sdbUnLock(pSdb, type);

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250

    sdbFreeRow(pSdb, pRow, false);

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    terrno = TSDB_CODE_SDB_OBJ_NOT_THERE;

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    return terrno;

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  pSdb->tableVer[pOldRow->type]++;

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  sdbUnLock(pSdb, type);

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257

  sdbFreeRow(pSdb, pRow, false);

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  sdbCheckRow(pSdb, pOldRow);

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  return 0;

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int32_t sdbWriteWithoutFree(SSdb *pSdb, SSdbRaw *pRaw) {

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  if (pRaw->type == SDB_CFG) {

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    mTrace("sdb write cfg");

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  SHashObj *hash = sdbGetHash(pSdb, pRaw->type);

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  if (hash == NULL) return terrno;

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  SdbDecodeFp decodeFp = pSdb->decodeFps[pRaw->type];

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  SSdbRow    *pRow = (*decodeFp)(pRaw);

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  if (pRow == NULL) return terrno;

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  pRow->type = pRaw->type;

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  int32_t keySize = sdbGetkeySize(pSdb, pRow->type, pRow->pObj);

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  int32_t code = TSDB_CODE_SDB_INVALID_ACTION_TYPE;

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279

  switch (pRaw->status) {

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    case SDB_STATUS_CREATING:

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      code = sdbInsertRow(pSdb, hash, pRaw, pRow, keySize);

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      break;

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283

    case SDB_STATUS_READY:

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      code = sdbUpdateRow(pSdb, hash, pRaw, pRow, keySize);

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287

      break;

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288

    case SDB_STATUS_DROPPED:

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      code = sdbDeleteRow(pSdb, hash, pRaw, pRow, keySize);

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290

      break;

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293

  return code;

×

296

int32_t sdbWrite(SSdb *pSdb, SSdbRaw *pRaw) {

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297

  int32_t code = sdbWriteWithoutFree(pSdb, pRaw);

×

298

  sdbFreeRaw(pRaw);

×

299

  return code;

×

302

void *sdbAcquireAll(SSdb *pSdb, ESdbType type, const void *pKey, bool onlyReady) {

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303

  terrno = 0;

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305

  SHashObj *hash = sdbGetHash(pSdb, type);

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306

  if (hash == NULL) return NULL;

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308

  void   *pRet = NULL;

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309

  int32_t keySize = sdbGetkeySize(pSdb, type, pKey);

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311

  sdbReadLock(pSdb, type);

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313

  SSdbRow **ppRow = taosHashGet(hash, pKey, keySize);

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314

  if (ppRow == NULL || *ppRow == NULL) {

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315

    sdbUnLock(pSdb, type);

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316

    terrno = TSDB_CODE_SDB_OBJ_NOT_THERE;

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317

    return NULL;

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320

  SSdbRow *pRow = *ppRow;

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321

  switch (pRow->status) {

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322

    case SDB_STATUS_READY:

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323

      (void)atomic_add_fetch_32(&pRow->refCount, 1);

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324

      pRet = pRow->pObj;

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      sdbPrintOper(pSdb, pRow, "acquire");

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      break;

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    case SDB_STATUS_CREATING:

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328

      terrno = TSDB_CODE_SDB_OBJ_CREATING;

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      break;

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    case SDB_STATUS_DROPPING:

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331

      terrno = TSDB_CODE_SDB_OBJ_DROPPING;

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332

      break;

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333

    default:

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      terrno = TSDB_CODE_APP_ERROR;

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335

      break;

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338

  if (pRet == NULL) {

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339

    if (!onlyReady) {

×

340

      terrno = 0;

×

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      (void)atomic_add_fetch_32(&pRow->refCount, 1);

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342

      pRet = pRow->pObj;

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343

      sdbPrintOper(pSdb, pRow, "acquire");

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347

  sdbUnLock(pSdb, type);

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348

  return pRet;

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351

void *sdbAcquire(SSdb *pSdb, ESdbType type, const void *pKey) { return sdbAcquireAll(pSdb, type, pKey, true); }

×

352

void *sdbAcquireNotReadyObj(SSdb *pSdb, ESdbType type, const void *pKey) {

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353

  return sdbAcquireAll(pSdb, type, pKey, false);

×

356

static void sdbCheckRow(SSdb *pSdb, SSdbRow *pRow) {

×

357

  int32_t type = pRow->type;

×

358

  sdbWriteLock(pSdb, type);

×

360

  int32_t ref = atomic_sub_fetch_32(&pRow->refCount, 1);

×

361

  sdbPrintOper(pSdb, pRow, "check");

×

362

  if (ref <= 0 && pRow->status == SDB_STATUS_DROPPED) {

×

363

    sdbFreeRow(pSdb, pRow, true);

×

366

  sdbUnLock(pSdb, type);

×

367

×

369

void sdbReleaseLock(SSdb *pSdb, void *pObj, bool lock) {

×

370

  if (pObj == NULL) return;

×

372

  SSdbRow *pRow = (SSdbRow *)((char *)pObj - sizeof(SSdbRow));

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373

  if (pRow->type >= SDB_MAX) return;

×

375

  int32_t type = pRow->type;

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376

  if (lock) {

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377

    sdbWriteLock(pSdb, type);

×

380

  int32_t ref = atomic_sub_fetch_32(&pRow->refCount, 1);

×

381

  sdbPrintOper(pSdb, pRow, "release");

×

382

  if (ref <= 0 && pRow->status == SDB_STATUS_DROPPED) {

×

383

    sdbFreeRow(pSdb, pRow, true);

×

386

  if (lock) {

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387

    sdbUnLock(pSdb, type);

×

391

void sdbRelease(SSdb *pSdb, void *pObj) { sdbReleaseLock(pSdb, pObj, true); }

×

393

void *sdbFetch(SSdb *pSdb, ESdbType type, void *pIter, void **ppObj) {

×

394

  *ppObj = NULL;

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396

  SHashObj *hash = sdbGetHash(pSdb, type);

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397

  if (hash == NULL) return NULL;

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399

  sdbReadLock(pSdb, type);

×

401

  SSdbRow **ppRow = taosHashIterate(hash, pIter);

×

402

  while (ppRow != NULL) {

×

403

    SSdbRow *pRow = *ppRow;

×

404

    if (pRow == NULL || pRow->status != SDB_STATUS_READY) {

×

405

      ppRow = taosHashIterate(hash, ppRow);

×

406

      continue;

×

409

    (void)atomic_add_fetch_32(&pRow->refCount, 1);

×

410

    sdbPrintOper(pSdb, pRow, "fetch");

×

411

    *ppObj = pRow->pObj;

×

412

    break;

×

414

  sdbUnLock(pSdb, type);

×

416

  return ppRow;

×

419

void *sdbFetchAll(SSdb *pSdb, ESdbType type, void *pIter, void **ppObj, ESdbStatus *status, bool lock) {

×

420

  *ppObj = NULL;

×

422

  SHashObj *hash = sdbGetHash(pSdb, type);

×

423

  if (hash == NULL) return NULL;

×

425

  if (lock) {

×

426

    sdbReadLock(pSdb, type);

×

429

  SSdbRow **ppRow = taosHashIterate(hash, pIter);

×

430

  while (ppRow != NULL) {

×

431

    SSdbRow *pRow = *ppRow;

×

432

    if (pRow == NULL) {

×

433

      ppRow = taosHashIterate(hash, ppRow);

×

434

      continue;

×

437

    (void)atomic_add_fetch_32(&pRow->refCount, 1);

×

438

    sdbPrintOper(pSdb, pRow, "fetch");

×

439

    *ppObj = pRow->pObj;

×

440

    *status = pRow->status;

×

441

    break;

×

443

  if (lock) {

×

444

    sdbUnLock(pSdb, type);

×

447

  return ppRow;

×

450

void sdbCancelFetch(SSdb *pSdb, void *pIter) {

×

451

  if (pIter == NULL) return;

×

452

  SSdbRow *pRow = *(SSdbRow **)pIter;

×

453

  mTrace("cancel fetch row:%p", pRow);

×

454

  SHashObj *hash = sdbGetHash(pSdb, pRow->type);

×

455

  if (hash == NULL) return;

×

457

  int32_t type = pRow->type;

×

458

  sdbReadLock(pSdb, type);

×

459

  taosHashCancelIterate(hash, pIter);

×

460

  sdbUnLock(pSdb, type);

×

463

void sdbCancelFetchByType(SSdb *pSdb, void *pIter, ESdbType type) {

×

464

  if (pIter == NULL) return;

×

465

  if (type >= SDB_MAX || type < 0) return;

×

466

  SHashObj *hash = sdbGetHash(pSdb, type);

×

467

  if (hash == NULL) return;

×

469

  sdbReadLock(pSdb, type);

×

470

  taosHashCancelIterate(hash, pIter);

×

471

  sdbUnLock(pSdb, type);

×

474

void sdbTraverse(SSdb *pSdb, ESdbType type, sdbTraverseFp fp, void *p1, void *p2, void *p3) {

×

475

  SHashObj *hash = sdbGetHash(pSdb, type);

×

476

  if (hash == NULL) return;

×

478

  sdbReadLock(pSdb, type);

×

480

  SSdbRow **ppRow = taosHashIterate(hash, NULL);

×

481

  while (ppRow != NULL) {

×

482

    SSdbRow *pRow = *ppRow;

×

483

    if (pRow->status == SDB_STATUS_READY) {

×

484

      bool isContinue = (*fp)(pSdb->pMnode, pRow->pObj, p1, p2, p3);

×

485

      if (!isContinue) {

×

486

        taosHashCancelIterate(hash, ppRow);

×

487

        break;

×

491

    ppRow = taosHashIterate(hash, ppRow);

×

494

  sdbUnLock(pSdb, type);

×

497

int32_t sdbGetSize(SSdb *pSdb, ESdbType type) {

×

498

  SHashObj *hash = sdbGetHash(pSdb, type);

×

499

  if (hash == NULL) return 0;

×

501

  sdbReadLock(pSdb, type);

×

502

  int32_t size = taosHashGetSize(hash);

×

503

  sdbUnLock(pSdb, type);

×

505

  return size;

×

508

int32_t sdbGetMaxId(SSdb *pSdb, ESdbType type) {

×

509

  SHashObj *hash = sdbGetHash(pSdb, type);

×

510

  if (hash == NULL) return -1;

×

512

  if (pSdb->keyTypes[type] != SDB_KEY_INT32) return -1;

×

514

  int32_t maxId = 0;

×

515

  sdbReadLock(pSdb, type);

×

517

  SSdbRow **ppRow = taosHashIterate(hash, NULL);

×

518

  while (ppRow != NULL) {

×

519

    SSdbRow *pRow = *ppRow;

×

520

    int32_t  id = *(int32_t *)pRow->pObj;

×

521

    maxId = TMAX(id, maxId);

×

522

    ppRow = taosHashIterate(hash, ppRow);

×

525

  sdbUnLock(pSdb, type);

×

526

  maxId = TMAX(maxId, pSdb->maxId[type]);

×

527

  return maxId + 1;

×

530

int64_t sdbGetTableVer(SSdb *pSdb, ESdbType type) {

×

531

  if (type >= SDB_MAX || type < 0) {

×

532

    terrno = TSDB_CODE_SDB_INVALID_TABLE_TYPE;

×

533

    return -1;

×

536

  return pSdb->tableVer[type];

×

539

bool countValid(SMnode *pMnode, void *pObj, void *p1, void *p2, void *p3) {

×

540

  int32_t *pInt = p1;

×

541

  (*pInt) += 1;

×

542

  return true;

×

545

int32_t sdbGetValidSize(SSdb *pSdb, ESdbType type) {

×

546

  int32_t num = 0;

×

547

  sdbTraverse(pSdb, type, countValid, &num, 0, 0);

×

548

  return num;

×

taosdata / TDengine / #3798

Source File
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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 "sdb.h"
18
19	static void sdbCheckRow(SSdb pSdb, SSdbRow pRow);
20
21	const char *sdbTableName(ESdbType type) {	×
22	switch (type) {	×
23	case SDB_TRANS:	×
24	return "trans";	×
25	case SDB_CLUSTER:	×
26	return "cluster";	×
27	case SDB_MNODE:	×
28	return "mnode";	×
29	case SDB_QNODE:	×
30	return "qnode";	×
31	case SDB_SNODE:	×
32	return "snode";	×
33	case SDB_DNODE:	×
34	return "dnode";	×
35	case SDB_USER:	×
36	return "user";	×
37	case SDB_AUTH:	×
38	return "auth";	×
39	case SDB_ACCT:	×
40	return "acct";	×
41	case SDB_STREAM_CK:	×
42	return "stream_ck";	×
43	case SDB_STREAM:	×
44	return "stream";	×
45	case SDB_OFFSET:	×
46	return "offset";	×
47	case SDB_SUBSCRIBE:	×
48	return "subscribe";	×
49	case SDB_CONSUMER:	×
50	return "consumer";	×
51	case SDB_TOPIC:	×
52	return "topic";	×
53	case SDB_VGROUP:	×
54	return "vgroup";	×
55	case SDB_SMA:	×
56	return "sma";	×
57	case SDB_STB:	×
58	return "stb";	×
59	case SDB_DB:	×
60	return "db";	×
61	case SDB_FUNC:	×
62	return "func";	×
63	case SDB_IDX:	×
64	return "idx";	×
65	case SDB_VIEW:	×
66	return "view";	×
67	case SDB_STREAM_SEQ:	×
68	return "stream_seq";	×
69	case SDB_COMPACT:	×
70	return "compact";	×
71	case SDB_COMPACT_DETAIL:	×
72	return "compact_detail";	×
73	case SDB_GRANT:	×
74	return "grant";	×
75	case SDB_ARBGROUP:	×
76	return "arb_group";	×
77	case SDB_ANODE:	×
78	return "anode";	×
79	case SDB_CFG:	×
80	return "config";	×
81	default:	×
82	return "undefine";	×
83	}
84	}
85
86	const char *sdbStatusName(ESdbStatus status) {	×
87	switch (status) {	×
88	case SDB_STATUS_CREATING:	×
89	return "creating";	×
90	case SDB_STATUS_DROPPING:	×
91	return "dropping";	×
92	case SDB_STATUS_READY:	×
93	return "ready";	×
94	case SDB_STATUS_DROPPED:	×
95	return "dropped";	×
96	case SDB_STATUS_INIT:	×
97	return "init";	×
98	case SDB_STATUS_UPDATE:	×
99	return "update";	×
100	default:	×
101	return "undefine";	×
102	}
103	}
104
105	void sdbPrintOper(SSdb pSdb, SSdbRow pRow, const char *oper) {	×
106	#if 1
107	EKeyType keyType = pSdb->keyTypes[pRow->type];	×
108
109	if (keyType == SDB_KEY_BINARY) {	×
110	mTrace("%s:%s, ref:%d oper:%s row:%p row->pObj:%p status:%s", sdbTableName(pRow->type), (char *)pRow->pObj,	×
111	pRow->refCount, oper, pRow, pRow->pObj, sdbStatusName(pRow->status));
112	} else if (keyType == SDB_KEY_INT32) {	×
113	mTrace("%s:%d, ref:%d oper:%s row:%p row->pObj:%p status:%s", sdbTableName(pRow->type), (int32_t )pRow->pObj,	×
114	pRow->refCount, oper, pRow, pRow->pObj, sdbStatusName(pRow->status));
115	} else if (keyType == SDB_KEY_INT64) {	×
116	mTrace("%s:%" PRId64 ", ref:%d oper:%s row:%p row->pObj:%p status:%s", sdbTableName(pRow->type),	×
117	(int64_t )pRow->pObj, pRow->refCount, oper, pRow, pRow->pObj, sdbStatusName(pRow->status));
118	} else {
119	}
120	#endif
121	}	×
122
123	static SHashObj sdbGetHash(SSdb pSdb, int32_t type) {	×
124	if (type >= SDB_MAX \|\| type < 0) {	×
125	terrno = TSDB_CODE_SDB_INVALID_TABLE_TYPE;	×
126	return NULL;	×
127	}
128
129	SHashObj *hash = pSdb->hashObjs[type];	×
130	if (hash == NULL) {	×
131	terrno = TSDB_CODE_APP_ERROR;	×
132	return NULL;	×
133	}
134
135	return hash;	×
136	}
137
138	static int32_t sdbGetkeySize(SSdb pSdb, ESdbType type, const void pKey) {	×
139	int32_t keySize = 0;	×
140	EKeyType keyType = pSdb->keyTypes[type];	×
141
142	if (keyType == SDB_KEY_INT32) {	×
143	keySize = sizeof(int32_t);	×
144	} else if (keyType == SDB_KEY_BINARY) {	×
145	keySize = strlen(pKey) + 1;	×
146	} else {
147	keySize = sizeof(int64_t);	×
148	}
149
150	return keySize;	×
151	}
152
153	static int32_t sdbInsertRow(SSdb pSdb, SHashObj hash, SSdbRaw pRaw, SSdbRow pRow, int32_t keySize) {	×
154	int32_t type = pRow->type;	×
155	sdbWriteLock(pSdb, type);	×
156
157	SSdbRow *pOldRow = taosHashGet(hash, pRow->pObj, keySize);	×
158	if (pOldRow != NULL) {	×
159	sdbUnLock(pSdb, type);	×
160	sdbFreeRow(pSdb, pRow, false);	×
161	terrno = TSDB_CODE_SDB_OBJ_ALREADY_THERE;	×
162	return terrno;	×
163	}
164
165	pRow->refCount = 0;	×
166	pRow->status = pRaw->status;	×
167	sdbPrintOper(pSdb, pRow, "insert");	×
168
169	int32_t code = 0;	×
170	if ((code = taosHashPut(hash, pRow->pObj, keySize, &pRow, sizeof(void *))) != 0) {	×
171	sdbUnLock(pSdb, type);	×
172	sdbFreeRow(pSdb, pRow, false);	×
173	return code;	×
174	}
175
176	SdbInsertFp insertFp = pSdb->insertFps[pRow->type];	×
177	if (insertFp != NULL) {	×
178	code = (*insertFp)(pSdb, pRow->pObj);	×
179	if (code != 0) {	×
180	if (taosHashRemove(hash, pRow->pObj, keySize) != 0) {	×
181	mError("failed to remove row from hash");	×
182	}
183	sdbFreeRow(pSdb, pRow, false);	×
184	sdbUnLock(pSdb, type);	×
185	terrno = code;	×
186	return terrno;	×
187	}
188	}
189
190	sdbUnLock(pSdb, type);	×
191
192	if (pSdb->keyTypes[pRow->type] == SDB_KEY_INT32) {	×
193	pSdb->maxId[pRow->type] = TMAX(pSdb->maxId[pRow->type], ((int32_t )pRow->pObj));	×
194	}
195	if (pSdb->keyTypes[pRow->type] == SDB_KEY_INT64) {	×
196	pSdb->maxId[pRow->type] = TMAX(pSdb->maxId[pRow->type], ((int64_t )pRow->pObj));	×
197	}
198	pSdb->tableVer[pRow->type]++;	×
199
200	return 0;	×
201	}
202
203	static int32_t sdbUpdateRow(SSdb pSdb, SHashObj hash, SSdbRaw pRaw, SSdbRow pNewRow, int32_t keySize) {	×
204	int32_t type = pNewRow->type;	×
205	sdbWriteLock(pSdb, type);	×
206
207	SSdbRow **ppOldRow = taosHashGet(hash, pNewRow->pObj, keySize);	×
208	if (ppOldRow == NULL \|\| *ppOldRow == NULL) {	×
209	sdbUnLock(pSdb, type);	×
210	return sdbInsertRow(pSdb, hash, pRaw, pNewRow, keySize);	×
211	}
212
213	SSdbRow pOldRow = ppOldRow;	×
214	pOldRow->status = pRaw->status;	×
215	sdbPrintOper(pSdb, pOldRow, "update");	×
216
217	int32_t code = 0;	×
218	SdbUpdateFp updateFp = pSdb->updateFps[type];	×
219	if (updateFp != NULL) {	×
220	code = (*updateFp)(pSdb, pOldRow->pObj, pNewRow->pObj);	×
221	}
222	sdbUnLock(pSdb, type);	×
223
224	// sdbUnLock(pSdb, type);
225	sdbFreeRow(pSdb, pNewRow, false);	×
226
227	pSdb->tableVer[pOldRow->type]++;	×
228	return code;	×
229	}
230
231	static int32_t sdbDeleteRow(SSdb pSdb, SHashObj hash, SSdbRaw pRaw, SSdbRow pRow, int32_t keySize) {	×
232	int32_t type = pRow->type;	×
233	sdbWriteLock(pSdb, type);	×
234
235	SSdbRow **ppOldRow = taosHashGet(hash, pRow->pObj, keySize);	×
236	if (ppOldRow == NULL \|\| *ppOldRow == NULL) {	×
237	sdbUnLock(pSdb, type);	×
238	sdbFreeRow(pSdb, pRow, false);	×
239	terrno = TSDB_CODE_SDB_OBJ_NOT_THERE;	×
240	return terrno;	×
241	}
242	SSdbRow pOldRow = ppOldRow;	×
243	pOldRow->status = pRaw->status;	×
244
245	(void)atomic_add_fetch_32(&pOldRow->refCount, 1);	×
246	sdbPrintOper(pSdb, pOldRow, "delete");	×
247
248	if (taosHashRemove(hash, pOldRow->pObj, keySize) != 0) {	×
249	sdbUnLock(pSdb, type);	×
250	sdbFreeRow(pSdb, pRow, false);	×
251	terrno = TSDB_CODE_SDB_OBJ_NOT_THERE;	×
252	return terrno;	×
253	}
254	pSdb->tableVer[pOldRow->type]++;	×
255	sdbUnLock(pSdb, type);	×
256
257	sdbFreeRow(pSdb, pRow, false);	×
258
259	sdbCheckRow(pSdb, pOldRow);	×
260	return 0;	×
261	}
262
263	int32_t sdbWriteWithoutFree(SSdb pSdb, SSdbRaw pRaw) {	×
264	if (pRaw->type == SDB_CFG) {	×
265	mTrace("sdb write cfg");	×
266	}
267	SHashObj *hash = sdbGetHash(pSdb, pRaw->type);	×
268	if (hash == NULL) return terrno;	×
269
270	SdbDecodeFp decodeFp = pSdb->decodeFps[pRaw->type];	×
271	SSdbRow pRow = (decodeFp)(pRaw);	×
272	if (pRow == NULL) return terrno;	×
273
274	pRow->type = pRaw->type;	×
275
276	int32_t keySize = sdbGetkeySize(pSdb, pRow->type, pRow->pObj);	×
277	int32_t code = TSDB_CODE_SDB_INVALID_ACTION_TYPE;	×
278
279	switch (pRaw->status) {	×
280	case SDB_STATUS_CREATING:	×
281	code = sdbInsertRow(pSdb, hash, pRaw, pRow, keySize);	×
282	break;	×
283	case SDB_STATUS_READY:	×
284	case SDB_STATUS_UPDATE:
285	case SDB_STATUS_DROPPING:
286	code = sdbUpdateRow(pSdb, hash, pRaw, pRow, keySize);	×
287	break;	×
288	case SDB_STATUS_DROPPED:	×
289	code = sdbDeleteRow(pSdb, hash, pRaw, pRow, keySize);	×
290	break;	×
291	}
292
293	return code;	×
294	}
295
296	int32_t sdbWrite(SSdb pSdb, SSdbRaw pRaw) {	×
297	int32_t code = sdbWriteWithoutFree(pSdb, pRaw);	×
298	sdbFreeRaw(pRaw);	×
299	return code;	×
300	}
301
302	void sdbAcquireAll(SSdb pSdb, ESdbType type, const void *pKey, bool onlyReady) {	×
303	terrno = 0;	×
304
305	SHashObj *hash = sdbGetHash(pSdb, type);	×
306	if (hash == NULL) return NULL;	×
307
308	void *pRet = NULL;	×
309	int32_t keySize = sdbGetkeySize(pSdb, type, pKey);	×
310
311	sdbReadLock(pSdb, type);	×
312
313	SSdbRow **ppRow = taosHashGet(hash, pKey, keySize);	×
314	if (ppRow == NULL \|\| *ppRow == NULL) {	×
315	sdbUnLock(pSdb, type);	×
316	terrno = TSDB_CODE_SDB_OBJ_NOT_THERE;	×
317	return NULL;	×
318	}
319
320	SSdbRow pRow = ppRow;	×
321	switch (pRow->status) {	×
322	case SDB_STATUS_READY:	×
323	(void)atomic_add_fetch_32(&pRow->refCount, 1);	×
324	pRet = pRow->pObj;	×
325	sdbPrintOper(pSdb, pRow, "acquire");	×
326	break;	×
327	case SDB_STATUS_CREATING:	×
328	terrno = TSDB_CODE_SDB_OBJ_CREATING;	×
329	break;	×
330	case SDB_STATUS_DROPPING:	×
331	terrno = TSDB_CODE_SDB_OBJ_DROPPING;	×
332	break;	×
333	default:	×
334	terrno = TSDB_CODE_APP_ERROR;	×
335	break;	×
336	}
337
338	if (pRet == NULL) {	×
339	if (!onlyReady) {	×
340	terrno = 0;	×
341	(void)atomic_add_fetch_32(&pRow->refCount, 1);	×
342	pRet = pRow->pObj;	×
343	sdbPrintOper(pSdb, pRow, "acquire");	×
344	}
345	}
346
347	sdbUnLock(pSdb, type);	×
348	return pRet;	×
349	}
350
351	void sdbAcquire(SSdb pSdb, ESdbType type, const void *pKey) { return sdbAcquireAll(pSdb, type, pKey, true); }	×
352	void sdbAcquireNotReadyObj(SSdb pSdb, ESdbType type, const void *pKey) {	×
353	return sdbAcquireAll(pSdb, type, pKey, false);	×
354	}
355
356	static void sdbCheckRow(SSdb pSdb, SSdbRow pRow) {	×
357	int32_t type = pRow->type;	×
358	sdbWriteLock(pSdb, type);	×
359
360	int32_t ref = atomic_sub_fetch_32(&pRow->refCount, 1);	×
361	sdbPrintOper(pSdb, pRow, "check");	×
362	if (ref <= 0 && pRow->status == SDB_STATUS_DROPPED) {	×
363	sdbFreeRow(pSdb, pRow, true);	×
364	}
365
366	sdbUnLock(pSdb, type);	×
367	}	×
368
369	void sdbReleaseLock(SSdb pSdb, void pObj, bool lock) {	×
370	if (pObj == NULL) return;	×
371
372	SSdbRow pRow = (SSdbRow )((char *)pObj - sizeof(SSdbRow));	×
373	if (pRow->type >= SDB_MAX) return;	×
374
375	int32_t type = pRow->type;	×
376	if (lock) {	×
377	sdbWriteLock(pSdb, type);	×
378	}
379
380	int32_t ref = atomic_sub_fetch_32(&pRow->refCount, 1);	×
381	sdbPrintOper(pSdb, pRow, "release");	×
382	if (ref <= 0 && pRow->status == SDB_STATUS_DROPPED) {	×
383	sdbFreeRow(pSdb, pRow, true);	×
384	}
385
386	if (lock) {	×
387	sdbUnLock(pSdb, type);	×
388	}
389	}
390
391	void sdbRelease(SSdb pSdb, void pObj) { sdbReleaseLock(pSdb, pObj, true); }	×
392
393	void sdbFetch(SSdb pSdb, ESdbType type, void pIter, void *ppObj) {	×
394	*ppObj = NULL;	×
395
396	SHashObj *hash = sdbGetHash(pSdb, type);	×
397	if (hash == NULL) return NULL;	×
398
399	sdbReadLock(pSdb, type);	×
400
401	SSdbRow **ppRow = taosHashIterate(hash, pIter);	×
402	while (ppRow != NULL) {	×
403	SSdbRow pRow = ppRow;	×
404	if (pRow == NULL \|\| pRow->status != SDB_STATUS_READY) {	×
405	ppRow = taosHashIterate(hash, ppRow);	×
406	continue;	×
407	}
408
409	(void)atomic_add_fetch_32(&pRow->refCount, 1);	×
410	sdbPrintOper(pSdb, pRow, "fetch");	×
411	*ppObj = pRow->pObj;	×
412	break;	×
413	}
414	sdbUnLock(pSdb, type);	×
415
416	return ppRow;	×
417	}
418
419	void sdbFetchAll(SSdb pSdb, ESdbType type, void pIter, void ppObj, ESdbStatus status, bool lock) {	×
420	*ppObj = NULL;	×
421
422	SHashObj *hash = sdbGetHash(pSdb, type);	×
423	if (hash == NULL) return NULL;	×
424
425	if (lock) {	×
426	sdbReadLock(pSdb, type);	×
427	}
428
429	SSdbRow **ppRow = taosHashIterate(hash, pIter);	×
430	while (ppRow != NULL) {	×
431	SSdbRow pRow = ppRow;	×
432	if (pRow == NULL) {	×
433	ppRow = taosHashIterate(hash, ppRow);	×
434	continue;	×
435	}
436
437	(void)atomic_add_fetch_32(&pRow->refCount, 1);	×
438	sdbPrintOper(pSdb, pRow, "fetch");	×
439	*ppObj = pRow->pObj;	×
440	*status = pRow->status;	×
441	break;	×
442	}
443	if (lock) {	×
444	sdbUnLock(pSdb, type);	×
445	}
446
447	return ppRow;	×
448	}
449
450	void sdbCancelFetch(SSdb pSdb, void pIter) {	×
451	if (pIter == NULL) return;	×
452	SSdbRow pRow = (SSdbRow **)pIter;	×
453	mTrace("cancel fetch row:%p", pRow);	×
454	SHashObj *hash = sdbGetHash(pSdb, pRow->type);	×
455	if (hash == NULL) return;	×
456
457	int32_t type = pRow->type;	×
458	sdbReadLock(pSdb, type);	×
459	taosHashCancelIterate(hash, pIter);	×
460	sdbUnLock(pSdb, type);	×
461	}
462
463	void sdbCancelFetchByType(SSdb pSdb, void pIter, ESdbType type) {	×
464	if (pIter == NULL) return;	×
465	if (type >= SDB_MAX \|\| type < 0) return;	×
466	SHashObj *hash = sdbGetHash(pSdb, type);	×
467	if (hash == NULL) return;	×
468
469	sdbReadLock(pSdb, type);	×
470	taosHashCancelIterate(hash, pIter);	×
471	sdbUnLock(pSdb, type);	×
472	}
473
474	void sdbTraverse(SSdb pSdb, ESdbType type, sdbTraverseFp fp, void p1, void p2, void p3) {	×
475	SHashObj *hash = sdbGetHash(pSdb, type);	×
476	if (hash == NULL) return;	×
477
478	sdbReadLock(pSdb, type);	×
479
480	SSdbRow **ppRow = taosHashIterate(hash, NULL);	×
481	while (ppRow != NULL) {	×
482	SSdbRow pRow = ppRow;	×
483	if (pRow->status == SDB_STATUS_READY) {	×
484	bool isContinue = (*fp)(pSdb->pMnode, pRow->pObj, p1, p2, p3);	×
485	if (!isContinue) {	×
486	taosHashCancelIterate(hash, ppRow);	×
487	break;	×
488	}
489	}
490
491	ppRow = taosHashIterate(hash, ppRow);	×
492	}
493
494	sdbUnLock(pSdb, type);	×
495	}
496
497	int32_t sdbGetSize(SSdb *pSdb, ESdbType type) {	×
498	SHashObj *hash = sdbGetHash(pSdb, type);	×
499	if (hash == NULL) return 0;	×
500
501	sdbReadLock(pSdb, type);	×
502	int32_t size = taosHashGetSize(hash);	×
503	sdbUnLock(pSdb, type);	×
504
505	return size;	×
506	}
507
508	int32_t sdbGetMaxId(SSdb *pSdb, ESdbType type) {	×
509	SHashObj *hash = sdbGetHash(pSdb, type);	×
510	if (hash == NULL) return -1;	×
511
512	if (pSdb->keyTypes[type] != SDB_KEY_INT32) return -1;	×
513
514	int32_t maxId = 0;	×
515	sdbReadLock(pSdb, type);	×
516
517	SSdbRow **ppRow = taosHashIterate(hash, NULL);	×
518	while (ppRow != NULL) {	×
519	SSdbRow pRow = ppRow;	×
520	int32_t id = (int32_t )pRow->pObj;	×
521	maxId = TMAX(id, maxId);	×
522	ppRow = taosHashIterate(hash, ppRow);	×
523	}
524
525	sdbUnLock(pSdb, type);	×
526	maxId = TMAX(maxId, pSdb->maxId[type]);	×
527	return maxId + 1;	×
528	}
529
530	int64_t sdbGetTableVer(SSdb *pSdb, ESdbType type) {	×
531	if (type >= SDB_MAX \|\| type < 0) {	×
532	terrno = TSDB_CODE_SDB_INVALID_TABLE_TYPE;	×
533	return -1;	×
534	}
535
536	return pSdb->tableVer[type];	×
537	}
538
539	bool countValid(SMnode pMnode, void pObj, void p1, void p2, void *p3) {	×
540	int32_t *pInt = p1;	×
541	(*pInt) += 1;	×
542	return true;	×
543	}
544
545	int32_t sdbGetValidSize(SSdb *pSdb, ESdbType type) {	×
546	int32_t num = 0;	×
547	sdbTraverse(pSdb, type, countValid, &num, 0, 0);	×
548	return num;	×
549	}

taosdata / TDengine / #3798

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