/******************************************************************************
* 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);
}
