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