Example #1
0
static void run_slave_wait(struct Xxx &xxx, struct XxxR &xxxr)
{
  struct timeval old_end_time = xxxr.start_time, end_time;
  Ndb *ndb = xxx.ndb;
  const NdbDictionary::Table *myTable = xxx.table;
  int retry_sleep= 10; /* 10 milliseconds */
  int retries= 100;
  while (1)
  {
    Uint32 val;
    NdbTransaction *trans = ndb->startTransaction();
    if (trans == NULL)
      goto err;
    {
      NdbOperation *op = trans->getNdbOperation(myTable);
      if (op == NULL)
        APIERROR(trans->getNdbError());
      op->readTuple();
      op->equal(xxx.pk_col, xxxr.pk_val);
      op->getValue(xxx.col, (char *)&val);
      if (trans->execute(NdbTransaction::Commit))
        goto err;
    }
    /* read done, check time of read */
    gettimeofday(&end_time, 0);
    ndb->closeTransaction(trans);
    //fprintf(stderr, "read %u waiting for %u\n", val, xxxr.val);
    if (xxxr.val != val)
    {
      /* expected value not received yet */
      retries = 100;
      NdbSleep_MilliSleep(retry_sleep);
      old_end_time =  end_time;
      continue;
    }
    break;
err:
    const NdbError this_error= trans ?
      trans->getNdbError() : ndb->getNdbError();
    if (this_error.status == NdbError::TemporaryError)
    {
      if (retries--)
      {
        if (trans)
          ndb->closeTransaction(trans);
        NdbSleep_MilliSleep(retry_sleep);
        continue; // retry
      }
    }
    if (trans)
      ndb->closeTransaction(trans);
    APIERROR(this_error);
  }

  Int64 elapsed_usec1 =
    ((Int64)end_time.tv_sec - (Int64)xxxr.start_time.tv_sec)*1000*1000 +
    ((Int64)end_time.tv_usec - (Int64)xxxr.start_time.tv_usec);
  Int64 elapsed_usec2 =
    ((Int64)end_time.tv_sec - (Int64)old_end_time.tv_sec)*1000*1000 +
    ((Int64)end_time.tv_usec - (Int64)old_end_time.tv_usec);
  xxxr.latency =
    ((elapsed_usec1 - elapsed_usec2/2)+999)/1000;
}
/**
 * Transaction 5 - T5
 * 
 * Delete session
 *
 * Input:
 *   SubscriberNumber
 *   ServerId
 *   ServerBit
 *   DoRollback
 * Output:
 *   ChangedBy
 *   ChangedTime
 *   Location
 *   BranchExecuted
 */
void
userTransaction_T5(UserHandle * uh,
		   SubscriberNumber   inNumber,
		   ServerId           inServerId,
		   ServerBit          inServerBit,
		   DoRollback         inDoRollback,
		   BranchExecuted   * outBranchExecuted){
  Ndb * pNDB = uh->pNDB;

  DEBUG3("T5(%.*s, %.2d): ", SUBSCRIBER_NUMBER_LENGTH, inNumber, inServerId);

  NdbConnection * MyTransaction = 0;
  NdbOperation  * MyOperation = 0;

  char             outChangedBy   [sizeof(ChangedBy)  +(4-(sizeof(ChangedBy)   & 3))];
  char             outChangedTime [sizeof(ChangedTime)+(4-(sizeof(ChangedTime) & 3))];
  Location         outLocation;
  GroupId          groupId;
  ActiveSessions   sessions;
  Permission       permission;
  SubscriberSuffix inSuffix;

  int check;
  NdbRecAttr * check2;

  MyTransaction = pNDB->startTransaction();
  if (MyTransaction == NULL)	  
    error_handler("T5-1: startTranscation", pNDB->getNdbErrorString(), pNDB->getNdbError());
  
  MyOperation= MyTransaction->getNdbOperation(SUBSCRIBER_TABLE);
  CHECK_NULL(MyOperation, "T5-1: getNdbOperation", 
	     MyTransaction);
  
  MyOperation->interpretedUpdateTuple();
  MyOperation->equal(IND_SUBSCRIBER_NUMBER, 
		     inNumber);
  MyOperation->getValue(IND_SUBSCRIBER_LOCATION, 
		        (char *)&outLocation);
  MyOperation->getValue(IND_SUBSCRIBER_CHANGED_BY, 
			&outChangedBy[0]);
  MyOperation->getValue(IND_SUBSCRIBER_CHANGED_TIME, 
                        &outChangedTime[0]);
  MyOperation->getValue(IND_SUBSCRIBER_GROUP,
		        (char *)&groupId);
  MyOperation->getValue(IND_SUBSCRIBER_SESSIONS,
		        (char *)&sessions);
  MyOperation->subValue(IND_SUBSCRIBER_SESSIONS, 
		        (uint32)inServerBit);
  MyTransaction->execute( NoCommit ); 
    /* Operation 2 */

  MyOperation = MyTransaction->getNdbOperation(GROUP_TABLE);
  CHECK_NULL(MyOperation, "T5-2: getNdbOperation", 
	     MyTransaction);
    
  MyOperation->readTuple();
  MyOperation->equal(IND_GROUP_ID,
		     (char*)&groupId);
  MyOperation->getValue(IND_GROUP_ALLOW_DELETE, 
			(char *)&permission);
  check = MyTransaction->execute( NoCommit ); 
  CHECK_MINUS_ONE(check, "T5-2: NoCommit", 
		  MyTransaction);
  
  if(((permission & inServerBit) == inServerBit) &&
     ((sessions   & inServerBit) == inServerBit)){
  
    memcpy(inSuffix,
	   &inNumber[SUBSCRIBER_NUMBER_LENGTH-SUBSCRIBER_NUMBER_SUFFIX_LENGTH], SUBSCRIBER_NUMBER_SUFFIX_LENGTH);
    
    DEBUG2("deleting(%.*s) - ", SUBSCRIBER_NUMBER_SUFFIX_LENGTH, inSuffix);

    /* Operation 3 */
    MyOperation = MyTransaction->getNdbOperation(SESSION_TABLE);
    CHECK_NULL(MyOperation, "T5-3: getNdbOperation", 
	       MyTransaction);
    
    MyOperation->deleteTuple();
    MyOperation->equal(IND_SESSION_SUBSCRIBER,
		       (char*)inNumber);
    MyOperation->equal(IND_SESSION_SERVER,
		       (char*)&inServerId);
    /* Operation 4 */
        
    /* Operation 5 */
    MyOperation = MyTransaction->getNdbOperation(SERVER_TABLE);
    CHECK_NULL(MyOperation, "T5-5: getNdbOperation", 
	       MyTransaction);
    
    
    MyOperation->interpretedUpdateTuple();
    MyOperation->equal(IND_SERVER_ID,
		       (char*)&inServerId);
    MyOperation->equal(IND_SERVER_SUBSCRIBER_SUFFIX,
		       (char*)inSuffix);
    MyOperation->incValue(IND_SERVER_DELETES, (uint32)1);
    (* outBranchExecuted) = 1;
  } else {
    (* outBranchExecuted) = 0;
    DEBUG1("%s", ((permission & inServerBit) ? "permission - " : "no permission - "));
    DEBUG1("%s", ((sessions   & inServerBit) ? "in session - " : "no in session - "));
  }

  if(!inDoRollback && (* outBranchExecuted)){
    DEBUG("commit\n");
    check = MyTransaction->execute( Commit ); 
    CHECK_MINUS_ONE(check, "T5: Commit", 
		    MyTransaction);
  } else {
    DEBUG("rollback\n");
    check = MyTransaction->execute(Rollback);
    CHECK_MINUS_ONE(check, "T5:Rollback", 
		    MyTransaction);
    
  }
  
  pNDB->closeTransaction(MyTransaction);
}
Example #3
0
int main()
{
  ndb_init();

  Ndb_cluster_connection *cluster_connection=
    new Ndb_cluster_connection(); // Object representing the cluster

  if (cluster_connection->wait_until_ready(30,30))
  {
    std::cout << "Cluster was not ready within 30 secs." << std::endl;
    exit(-1);
  }

  int r= cluster_connection->connect(5 /* retries               */,
				     3 /* delay between retries */,
				     1 /* verbose               */);
  if (r > 0)
  {
    std::cout
      << "Cluster connect failed, possibly resolved with more retries.\n";
    exit(-1);
  }
  else if (r < 0)
  {
    std::cout
      << "Cluster connect failed.\n";
    exit(-1);
  }
					   
  if (cluster_connection->wait_until_ready(30,30))
  {
    std::cout << "Cluster was not ready within 30 secs." << std::endl;
    exit(-1);
  }

  Ndb* myNdb = new Ndb( cluster_connection,
			"TEST_DB_2" );  // Object representing the database

  NdbTransaction*  myNdbTransaction[2];   // For transactions
  NdbOperation*   myNdbOperation;       // For operations
  
  if (myNdb->init(2) == -1) {          // Want two parallel insert transactions
    APIERROR(myNdb->getNdbError());
    exit(-1);
  }

  /******************************************************
   * Insert (we do two insert transactions in parallel) *
   ******************************************************/
  const NdbDictionary::Dictionary* myDict= myNdb->getDictionary();
  const NdbDictionary::Table *myTable= myDict->getTable("MYTABLENAME");
  if (myTable == NULL)
    APIERROR(myDict->getNdbError());
  for (int i = 0; i < 2; i++) {
    myNdbTransaction[i] = myNdb->startTransaction();
    if (myNdbTransaction[i] == NULL) APIERROR(myNdb->getNdbError());
    
    myNdbOperation = myNdbTransaction[i]->getNdbOperation(myTable);
    if (myNdbOperation == NULL) APIERROR(myNdbTransaction[i]->getNdbError());
    
    myNdbOperation->insertTuple();
    myNdbOperation->equal("ATTR1", 20 + i);
    myNdbOperation->setValue("ATTR2", 20 + i);
    
    // Prepare transaction (the transaction is NOT yet sent to NDB)
    myNdbTransaction[i]->executeAsynchPrepare(NdbTransaction::Commit,
					      &callback, NULL);
  }

  // Send all transactions to NDB 
  myNdb->sendPreparedTransactions(0);
  
  // Poll all transactions
  myNdb->pollNdb(3000, 2);
  
  // Close all transactions
  for (int i = 0; i < 2; i++) 
    myNdb->closeTransaction(myNdbTransaction[i]);

  delete myNdb;
  delete cluster_connection;

  ndb_end(0);
  return 0;
}
/**
 * Transaction 5 - T5
 *
 * Delete session
 *
 * Input:
 *   SubscriberNumber
 *   ServerId
 *   ServerBit
 *   DoRollback
 * Output:
 *   ChangedBy
 *   ChangedTime
 *   Location
 *   BranchExecuted
 */
int
T5(void * obj,
   const SubscriberNumber   inNumber,
   const SubscriberSuffix   inSuffix,
   const ServerId           inServerId,
   const ServerBit          inServerBit,
   ChangedBy          outChangedBy,
   ChangedTime        outChangedTime,
   Location         * outLocation,
   DoRollback         inDoRollback,
   BranchExecuted   * outBranchExecuted,
   BenchmarkTime    * outTransactionTime) {

    Ndb           * pNDB = (Ndb *) obj;
    NdbConnection * MyTransaction = 0;
    NdbOperation  * MyOperation = 0;

    GroupId        groupId;
    ActiveSessions sessions;
    Permission     permission;

    BenchmarkTime start;
    get_time(&start);

    int check;
    NdbRecAttr * check2;

    MyTransaction = pNDB->startTransaction();
    if (MyTransaction == NULL)
        error_handler("T5-1: startTranscation", pNDB->getNdbErrorString(), 0);

    MyOperation= MyTransaction->getNdbOperation(SUBSCRIBER_TABLE);
    CHECK_NULL(MyOperation, "T5-1: getNdbOperation",
               MyTransaction);


    check = MyOperation->readTupleExclusive();
    CHECK_MINUS_ONE(check, "T5-1: readTuple",
                    MyTransaction);

    check = MyOperation->equal(IND_SUBSCRIBER_NUMBER,
                               inNumber);
    CHECK_MINUS_ONE(check, "T5-1: equal subscriber",
                    MyTransaction);

    check2 = MyOperation->getValue(IND_SUBSCRIBER_LOCATION,
                                   (char *)outLocation);
    CHECK_NULL(check2, "T5-1: getValue location",
               MyTransaction);

    check2 = MyOperation->getValue(IND_SUBSCRIBER_CHANGED_BY,
                                   outChangedBy);
    CHECK_NULL(check2, "T5-1: getValue changed_by",
               MyTransaction);

    check2 = MyOperation->getValue(IND_SUBSCRIBER_CHANGED_TIME,
                                   outChangedTime);
    CHECK_NULL(check2, "T5-1: getValue changed_time",
               MyTransaction);

    check2 = MyOperation->getValue(IND_SUBSCRIBER_GROUP,
                                   (char *)&groupId);
    CHECK_NULL(check2, "T5-1: getValue group",
               MyTransaction);

    check2 = MyOperation->getValue(IND_SUBSCRIBER_SESSIONS,
                                   (char *)&sessions);
    CHECK_NULL(check2, "T5-1: getValue sessions",
               MyTransaction);

    check = MyTransaction->execute( NoCommit );
    CHECK_MINUS_ONE(check, "T5-1: NoCommit",
                    MyTransaction);

    /* Operation 2 */

    MyOperation = MyTransaction->getNdbOperation(GROUP_TABLE);
    CHECK_NULL(MyOperation, "T5-2: getNdbOperation",
               MyTransaction);


    check = MyOperation->readTuple();
    CHECK_MINUS_ONE(check, "T5-2: readTuple",
                    MyTransaction);

    check = MyOperation->equal(IND_GROUP_ID,
                               (char*)&groupId);
    CHECK_MINUS_ONE(check, "T5-2: equal group",
                    MyTransaction);

    check2 = MyOperation->getValue(IND_GROUP_ALLOW_DELETE,
                                   (char *)&permission);
    CHECK_NULL(check2, "T5-2: getValue allow_delete",
               MyTransaction);

    check = MyTransaction->execute( NoCommit );
    CHECK_MINUS_ONE(check, "T5-2: NoCommit",
                    MyTransaction);

    DEBUG3("T5(%.*s, %.2d): ", SUBSCRIBER_NUMBER_LENGTH, inNumber, inServerId);

    if(((permission & inServerBit) == inServerBit) &&
            ((sessions   & inServerBit) == inServerBit)) {

        DEBUG("deleting - ");

        /* Operation 3 */
        MyOperation = MyTransaction->getNdbOperation(SESSION_TABLE);
        CHECK_NULL(MyOperation, "T5-3: getNdbOperation",
                   MyTransaction);

        check = MyOperation->deleteTuple();
        CHECK_MINUS_ONE(check, "T5-3: deleteTuple",
                        MyTransaction);

        check = MyOperation->equal(IND_SESSION_SUBSCRIBER,
                                   (char*)inNumber);
        CHECK_MINUS_ONE(check, "T5-3: equal number",
                        MyTransaction);

        check = MyOperation->equal(IND_SESSION_SERVER,
                                   (char*)&inServerId);
        CHECK_MINUS_ONE(check, "T5-3: equal server id",
                        MyTransaction);

        check = MyTransaction->execute( NoCommit );
        CHECK_MINUS_ONE(check, "T5-3: NoCommit",
                        MyTransaction);

        /* Operation 4 */
        MyOperation = MyTransaction->getNdbOperation(SUBSCRIBER_TABLE);
        CHECK_NULL(MyOperation, "T5-4: getNdbOperation",
                   MyTransaction);

        check = MyOperation->interpretedUpdateTuple();
        CHECK_MINUS_ONE(check, "T5-4: interpretedUpdateTuple",
                        MyTransaction);

        check = MyOperation->equal(IND_SUBSCRIBER_NUMBER,
                                   (char*)inNumber);
        CHECK_MINUS_ONE(check, "T5-4: equal number",
                        MyTransaction);

        check = MyOperation->subValue(IND_SUBSCRIBER_SESSIONS,
                                      (uint32)inServerBit);
        CHECK_MINUS_ONE(check, "T5-4: dec value",
                        MyTransaction);

        check = MyTransaction->execute( NoCommit );
        CHECK_MINUS_ONE(check, "T5-4: NoCommit",
                        MyTransaction);

        /* Operation 5 */
        MyOperation = MyTransaction->getNdbOperation(SERVER_TABLE);
        CHECK_NULL(MyOperation, "T5-5: getNdbOperation",
                   MyTransaction);


        check = MyOperation->interpretedUpdateTuple();
        CHECK_MINUS_ONE(check, "T5-5: interpretedUpdateTuple",
                        MyTransaction);

        check = MyOperation->equal(IND_SERVER_ID,
                                   (char*)&inServerId);
        CHECK_MINUS_ONE(check, "T5-5: equal serverId",
                        MyTransaction);

        check = MyOperation->equal(IND_SERVER_SUBSCRIBER_SUFFIX,
                                   (char*)inSuffix);
        CHECK_MINUS_ONE(check, "T5-5: equal suffix",
                        MyTransaction);

        check = MyOperation->incValue(IND_SERVER_DELETES, (uint32)1);
        CHECK_MINUS_ONE(check, "T5-5: inc value",
                        MyTransaction);

        check = MyTransaction->execute( NoCommit );
        CHECK_MINUS_ONE(check, "T5-5: NoCommit",
                        MyTransaction);

        (* outBranchExecuted) = 1;
    } else {
        DEBUG1("%s", ((permission & inServerBit) ? "permission - " : "no permission - "));
        DEBUG1("%s", ((sessions   & inServerBit) ? "in session - " : "no in session - "));
        (* outBranchExecuted) = 0;
    }

    if(!inDoRollback) {
        DEBUG("commit\n");
        check = MyTransaction->execute( Commit );
        CHECK_MINUS_ONE(check, "T5: Commit",
                        MyTransaction);
    } else {
        DEBUG("rollback\n");
        check = MyTransaction->execute(Rollback);
        CHECK_MINUS_ONE(check, "T5:Rollback",
                        MyTransaction);

    }

    pNDB->closeTransaction(MyTransaction);

    get_time(outTransactionTime);
    time_diff(outTransactionTime, &start);
    return 0;
}
Example #5
0
int
run_read(){
  int iter = g_paramters[P_LOOPS].value;
  NDB_TICKS start1, stop;
  int sum_time= 0;
  
  const Uint32 rows = g_paramters[P_ROWS].value;
  const Uint32 range = g_paramters[P_RANGE].value;
  
  start1 = NdbTick_CurrentMillisecond();
  NdbConnection * pTrans = g_ndb->startTransaction();
  if(!pTrans){
    g_err << "Failed to start transaction" << endl;
    err(g_ndb->getNdbError());
    return -1;
  }
  
  NdbOperation * pOp;
  NdbScanOperation * pSp;
  NdbIndexOperation * pUp;
  NdbIndexScanOperation * pIp;
  
  Uint32 start_row = rand() % (rows - range);
  Uint32 stop_row = start_row + range;

  /**
   * 0 - serial pk
   * 1 - batch pk
   * 2 - serial uniq 
   * 3 - batch uniq
   * 4 - index eq
   * 5 - range scan
   * 6 - interpreted scan
   */
  int check = 0;
  void* res = (void*)~0;
  const Uint32 pk = 0;
  Uint32 cnt = 0;
  for(; start_row < stop_row; start_row++){
    switch(g_paramters[P_OPER].value){
    case 0:
      pOp = pTrans->getNdbOperation(g_table);
      check = pOp->readTuple();
      check = pOp->equal(pk, start_row);
      break;
    case 1:
      for(; start_row<stop_row; start_row++){
	pOp = pTrans->getNdbOperation(g_table);
	check = pOp->readTuple();
	check = pOp->equal(pk, start_row);
	for(int j = 0; j<g_tab->getNoOfColumns(); j++){
	  res = pOp->getValue(j);
	  assert(res);
	}
      }
      break;
    case 2:
      pOp = pTrans->getNdbIndexOperation(g_unique, g_table);
      check = pOp->readTuple();
      check = pOp->equal(pk, start_row);
      break;
    case 3:
      for(; start_row<stop_row; start_row++){
	pOp = pTrans->getNdbIndexOperation(g_unique, g_table);
	check = pOp->readTuple();
	check = pOp->equal(pk, start_row);
	for(int j = 0; j<g_tab->getNoOfColumns(); j++){
	  res = pOp->getValue(j);
	  assert(res);
	}
      }
      break;
    case 4:
      pOp = pSp = pIp = pTrans->getNdbIndexScanOperation(g_ordered,g_table);
      pIp->readTuples(NdbScanOperation::LM_CommittedRead, 0, 0);
      check = pIp->setBound(pk, NdbIndexScanOperation::BoundEQ, &start_row);
      break;
    case 5:
      pOp = pSp = pIp = pTrans->getNdbIndexScanOperation(g_ordered,g_table);
      pIp->readTuples(NdbScanOperation::LM_CommittedRead, 0, 0);
      check = pIp->setBound(pk, NdbIndexScanOperation::BoundLE, &start_row);
      check = pIp->setBound(pk, NdbIndexScanOperation::BoundGT, &stop_row);
      start_row = stop_row;
      break;
    case 6:
      pOp = pSp = pIp = pTrans->getNdbIndexScanOperation(g_ordered,g_table);
      pIp->readTuples(NdbScanOperation::LM_CommittedRead, 0, 0, true);
      check = pIp->setBound(pk, NdbIndexScanOperation::BoundLE, &start_row);
      check = pIp->setBound(pk, NdbIndexScanOperation::BoundGT, &stop_row);
      start_row = stop_row;
      break;
    case 7:
      pOp = pSp = pTrans->getNdbScanOperation(g_table);
      pSp->readTuples(NdbScanOperation::LM_CommittedRead, 0, 0);
      NdbScanFilter filter(pOp) ;   
      filter.begin(NdbScanFilter::AND);
      filter.ge(pk, start_row);
      filter.lt(pk, stop_row);
      filter.end();
      start_row = stop_row;
      break;
    }
      
    assert(res);
    if(check != 0){
      ndbout << pOp->getNdbError() << endl;
      ndbout << pTrans->getNdbError() << endl;
    }
    assert(check == 0);

    for(int j = 0; j<g_tab->getNoOfColumns(); j++){
      res = pOp->getValue(j);
      assert(res);
    }
      
    check = pTrans->execute(NoCommit);
    if(check != 0){
      ndbout << pTrans->getNdbError() << endl;
    }
    assert(check == 0);
    if(g_paramters[P_OPER].value >= 4){
      while((check = pSp->nextResult(true)) == 0){
	cnt++;
      }
	
      if(check == -1){
	err(pTrans->getNdbError());
	return -1;
      }
      assert(check == 1);
      pSp->close();
    }
  }
  assert(g_paramters[P_OPER].value < 4 || (cnt == range));
  
  pTrans->close();
  
  stop = NdbTick_CurrentMillisecond();
  g_times[g_paramters[P_OPER].value] += (stop - start1);
  return 0;
}