/**
* Transaction 4 - T4
*
* Create session
*
* Input:
* SubscriberNumber
* ServerId
* ServerBit
* SessionDetails,
* DoRollback
* Output:
* ChangedBy
* ChangedTime
* Location
* BranchExecuted
*/
void
start_T4(Ndb * pNDB, ThreadData * td, int async){
DEBUG3("T4(%.*s, %.2d): - Starting", SUBSCRIBER_NUMBER_LENGTH,
td->transactionData.number,
td->transactionData.server_id);
NdbConnection * pCON = 0;
while((pCON = startTransaction(pNDB, td)) == 0){
CHECK_ALLOWED_ERROR("T4-1: startTransaction", td, pNDB->getNdbError());
NdbSleep_MilliSleep(10);
}
NdbOperation *MyOp= pCON->getNdbOperation(SUBSCRIBER_TABLE);
CHECK_NULL(MyOp, "T4-1: getNdbOperation", td,
pCON->getNdbError());
MyOp->interpretedUpdateTuple();
MyOp->equal(IND_SUBSCRIBER_NUMBER,
td->transactionData.number);
MyOp->getValue(IND_SUBSCRIBER_LOCATION,
(char *)&td->transactionData.location);
MyOp->getValue(IND_SUBSCRIBER_CHANGED_BY,
td->transactionData.changed_by);
MyOp->getValue(IND_SUBSCRIBER_CHANGED_TIME,
td->transactionData.changed_time);
MyOp->getValue(IND_SUBSCRIBER_GROUP,
(char *)&td->transactionData.group_id);
MyOp->getValue(IND_SUBSCRIBER_SESSIONS,
(char *)&td->transactionData.sessions);
MyOp->incValue(IND_SUBSCRIBER_SESSIONS,
(uint32)td->transactionData.server_bit);
stat_async = async;
if (async == 1) {
pCON->executeAsynchPrepare( NoCommit , T4_Callback_1, td);
} else {
int result = pCON->execute( NoCommit );
T4_Callback_1(result, pCON, (void*)td);
return;
}//if
}
/**
* Transaction 4 - T4
*
* Create session
*
* Input:
* SubscriberNumber
* ServerId
* ServerBit
* SessionDetails,
* DoRollback
* Output:
* ChangedBy
* ChangedTime
* Location
* BranchExecuted
*/
void
start_T4(Ndb * pNDB, ThreadData * td, int async) {
DEBUG3("T4(%.*s, %.2d): - Starting", SUBSCRIBER_NUMBER_LENGTH,
td->transactionData.number,
td->transactionData.server_id);
NdbConnection * pCON = 0;
while((pCON = startTransaction(pNDB, td)) == 0) {
CHECK_ALLOWED_ERROR("T4-1: startTransaction", td, pNDB->getNdbError());
NdbSleep_MilliSleep(10);
}
if (td->ndbRecordSharedData)
{
char* rowPtr= (char*) &td->transactionData;
const NdbRecord* record= td->ndbRecordSharedData->
subscriberTableNdbRecord;
Uint32 m=0;
unsigned char* mask= (unsigned char*) &m;
SET_MASK(mask, IND_SUBSCRIBER_LOCATION);
SET_MASK(mask, IND_SUBSCRIBER_CHANGED_BY);
SET_MASK(mask, IND_SUBSCRIBER_CHANGED_TIME);
SET_MASK(mask, IND_SUBSCRIBER_GROUP);
SET_MASK(mask, IND_SUBSCRIBER_SESSIONS);
const NdbOperation* MyOp= pCON->readTuple(record, rowPtr, record, rowPtr,
NdbOperation::LM_Read,
mask);
CHECK_NULL((void*)MyOp, "T4-1: readTuple", td,
pCON->getNdbError());
m= 0;
/* Create program to add something to the subscriber
* sessions column
*/
Uint32 codeBuf[20];
for (Uint32 p=0; p<20; p++)
codeBuf[p]= 0;
NdbInterpretedCode program(pNDB->getDictionary()->
getTable(SUBSCRIBER_TABLE),
codeBuf,
20);
if (program.add_val(IND_SUBSCRIBER_SESSIONS,
(uint32)td->transactionData.server_bit) ||
program.interpret_exit_ok() ||
program.finalise())
{
CHECK_NULL(NULL , "T4-1: Program create failed", td,
program.getNdbError());
}
NdbOperation::OperationOptions opts;
opts.optionsPresent= NdbOperation::OperationOptions::OO_INTERPRETED;
opts.interpretedCode= &program;
MyOp= pCON->updateTuple(record, rowPtr, record, rowPtr,
mask,
&opts,
sizeof(opts));
CHECK_NULL((void*)MyOp, "T4-1: updateTuple", td,
pCON->getNdbError());
}
else
{
/* Use old Api */
if (td->useCombinedUpdate)
{
NdbOperation *MyOp= pCON->getNdbOperation(SUBSCRIBER_TABLE);
CHECK_NULL(MyOp, "T4-1: getNdbOperation", td,
pCON->getNdbError());
MyOp->interpretedUpdateTuple();
MyOp->equal(IND_SUBSCRIBER_NUMBER,
td->transactionData.number);
MyOp->getValue(IND_SUBSCRIBER_LOCATION,
(char *)&td->transactionData.location);
MyOp->getValue(IND_SUBSCRIBER_CHANGED_BY,
td->transactionData.changed_by);
MyOp->getValue(IND_SUBSCRIBER_CHANGED_TIME,
td->transactionData.changed_time);
MyOp->getValue(IND_SUBSCRIBER_GROUP,
(char *)&td->transactionData.group_id);
MyOp->getValue(IND_SUBSCRIBER_SESSIONS,
(char *)&td->transactionData.sessions);
MyOp->incValue(IND_SUBSCRIBER_SESSIONS,
(uint32)td->transactionData.server_bit);
}
else
{
/* Separate read op + update op
* Relies on relative ordering of operation execution on a single
* row
*/
NdbOperation *MyOp= pCON->getNdbOperation(SUBSCRIBER_TABLE);
CHECK_NULL(MyOp, "T4-1: getNdbOperation (read)", td,
pCON->getNdbError());
MyOp->readTuple();
MyOp->equal(IND_SUBSCRIBER_NUMBER,
td->transactionData.number);
MyOp->getValue(IND_SUBSCRIBER_LOCATION,
(char *)&td->transactionData.location);
MyOp->getValue(IND_SUBSCRIBER_CHANGED_BY,
td->transactionData.changed_by);
MyOp->getValue(IND_SUBSCRIBER_CHANGED_TIME,
td->transactionData.changed_time);
MyOp->getValue(IND_SUBSCRIBER_GROUP,
(char *)&td->transactionData.group_id);
MyOp->getValue(IND_SUBSCRIBER_SESSIONS,
(char *)&td->transactionData.sessions);
MyOp= pCON->getNdbOperation(SUBSCRIBER_TABLE);
CHECK_NULL(MyOp, "T4-1: getNdbOperation (update)", td,
pCON->getNdbError());
MyOp->interpretedUpdateTuple();
MyOp->equal(IND_SUBSCRIBER_NUMBER,
td->transactionData.number);
MyOp->incValue(IND_SUBSCRIBER_SESSIONS,
(uint32)td->transactionData.server_bit);
}
}
stat_async = async;
if (async == 1) {
pCON->executeAsynchPrepare( NoCommit , T4_Callback_1, td);
} else {
int result = pCON->execute( NoCommit );
T4_Callback_1(result, pCON, (void*)td);
return;
}//if
}
