/****************************************************************************** * int init( int aNrOfCon, int aNrOfOp ); * * Return Value: Return 0 : init was successful. * Return -1: In all other case. * Parameters: aNrOfCon : Number of connections offered to the application. * aNrOfOp : Number of operations offered to the application. * Remark: Create pointers and idle list Synchronous. ****************************************************************************/ int Ndb::init(int aMaxNoOfTransactions) { DBUG_ENTER("Ndb::init"); int i; int aNrOfCon; int aNrOfOp; int tMaxNoOfTransactions; NdbApiSignal* tSignal[16]; // Initiate free list of 16 signal objects if (theInitState != NotInitialised) { switch(theInitState){ case InitConfigError: theError.code = 4117; break; default: theError.code = 4104; break; } DBUG_RETURN(-1); }//if theInitState = StartingInit; TransporterFacade * theFacade = theImpl->m_transporter_facade; theEventBuffer->m_mutex = theFacade->theMutexPtr; const Uint32 tRef = theImpl->open(theFacade); if (tRef == 0) { theError.code = 4105; DBUG_RETURN(-1); // no more free blocknumbers }//if Uint32 nodeId = refToNode(tRef); theNdbBlockNumber = refToBlock(tRef); if (nodeId > 0) { connected(Uint32(tRef)); } /* Init cached min node version */ theFacade->lock_mutex(); theCachedMinDbNodeVersion = theFacade->getMinDbNodeVersion(); theFacade->unlock_mutex(); theDictionary->setTransporter(this, theFacade); aNrOfCon = theImpl->theNoOfDBnodes; aNrOfOp = 2*theImpl->theNoOfDBnodes; // Create connection object in a linked list if((createConIdleList(aNrOfCon)) == -1){ theError.code = 4000; goto error_handler; } // Create operations in a linked list if((createOpIdleList(aNrOfOp)) == -1){ theError.code = 4000; goto error_handler; } tMaxNoOfTransactions = aMaxNoOfTransactions; theMaxNoOfTransactions = tMaxNoOfTransactions; theRemainingStartTransactions= tMaxNoOfTransactions; thePreparedTransactionsArray = new NdbTransaction* [tMaxNoOfTransactions]; theSentTransactionsArray = new NdbTransaction* [tMaxNoOfTransactions]; theCompletedTransactionsArray = new NdbTransaction* [tMaxNoOfTransactions]; if ((thePreparedTransactionsArray == NULL) || (theSentTransactionsArray == NULL) || (theCompletedTransactionsArray == NULL)) { goto error_handler; }//if for (i = 0; i < tMaxNoOfTransactions; i++) { thePreparedTransactionsArray[i] = NULL; theSentTransactionsArray[i] = NULL; theCompletedTransactionsArray[i] = NULL; }//for for (i = 0; i < 16; i++){ tSignal[i] = getSignal(); if(tSignal[i] == NULL) { theError.code = 4000; goto error_handler; } } for (i = 0; i < 16; i++) releaseSignal(tSignal[i]); theInitState = Initialised; DBUG_RETURN(0); error_handler: ndbout << "error_handler" << endl; releaseTransactionArrays(); delete theDictionary; theImpl->close(); DBUG_RETURN(-1); }