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/* Copyright (C) 2003 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*****************************************************************************
* Name: NdbConnectionScan.cpp
* Include:
* Link:
* Author: UABRONM MikaelRonström UAB/M/MT
* QABJKAM Jonas Kamf UAB/M/MT
* Date: 2000-06-12
* Version: 0.1
* Description: Interface between Application and NDB
* Documentation:
* Adjust: 2000-06-12 UABRONM First version.
****************************************************************************/
#include <ndb_global.h>
#include <Ndb.hpp>
#include <NdbConnection.hpp>
#include <NdbOperation.hpp>
#include <NdbScanOperation.hpp>
#include "NdbApiSignal.hpp"
#include "TransporterFacade.hpp"
#include "NdbUtil.hpp"
#include "API.hpp"
#include "NdbImpl.hpp"
#include <signaldata/ScanTab.hpp>
#include <NdbOut.hpp>
/***************************************************************************
* int receiveSCAN_TABREF(NdbApiSignal* aSignal)
*
* This means the scan could not be started, set status(s) to indicate
* the failure
*
****************************************************************************/
int
NdbConnection::receiveSCAN_TABREF(NdbApiSignal* aSignal){
const ScanTabRef * ref = CAST_CONSTPTR(ScanTabRef, aSignal->getDataPtr());
if(checkState_TransId(&ref->transId1)){
theScanningOp->setErrorCode(ref->errorCode);
theScanningOp->execCLOSE_SCAN_REP();
if(!ref->closeNeeded){
return 0;
}
/**
* Setup so that close_impl will actually perform a close
* and not "close scan"-optimze it away
*/
theScanningOp->m_conf_receivers_count++;
theScanningOp->m_conf_receivers[0] = theScanningOp->m_receivers[0];
theScanningOp->m_conf_receivers[0]->m_tcPtrI = ~0;
return 0;
} else {
#ifdef NDB_NO_DROPPED_SIGNAL
abort();
#endif
}
return -1;
}
/*****************************************************************************
* int receiveSCAN_TABCONF(NdbApiSignal* aSignal)
*
* Receive SCAN_TABCONF
* If scanStatus == 0 there is more records to read. Since signals may be
* received in any order we have to go through the lists with saved signals
* and check if all expected signals are there so that we can start to
* execute them.
*
* If scanStatus > 0 this indicates that the scan is finished and there are
* no more data to be read.
*
*****************************************************************************/
int
NdbConnection::receiveSCAN_TABCONF(NdbApiSignal* aSignal,
const Uint32 * ops, Uint32 len)
{
const ScanTabConf * conf = CAST_CONSTPTR(ScanTabConf, aSignal->getDataPtr());
if(checkState_TransId(&conf->transId1)){
if (conf->requestInfo == ScanTabConf::EndOfData) {
theScanningOp->execCLOSE_SCAN_REP();
return 0;
}
for(Uint32 i = 0; i<len; i += 3){
Uint32 opCount, totalLen;
Uint32 ptrI = * ops++;
Uint32 tcPtrI = * ops++;
Uint32 info = * ops++;
opCount = ScanTabConf::getRows(info);
totalLen = ScanTabConf::getLength(info);
void * tPtr = theNdb->int2void(ptrI);
assert(tPtr); // For now
NdbReceiver* tOp = theNdb->void2rec(tPtr);
if (tOp && tOp->checkMagicNumber())
{
if (tcPtrI == RNIL && opCount == 0)
theScanningOp->receiver_completed(tOp);
else if (tOp->execSCANOPCONF(tcPtrI, totalLen, opCount))
theScanningOp->receiver_delivered(tOp);
}
}
return 0;
} else {
#ifdef NDB_NO_DROPPED_SIGNAL
abort();
#endif
}
return -1;
}
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