1 files changed, 122 insertions, 0 deletions
diff --git a/ndb/src/ndbapi/NdbTransactionScan.cpp b/ndb/src/ndbapi/NdbTransactionScan.cpp
new file mode 100644
index 00000000000..4c507f6ab8c
--- /dev/null
+++ b/ndb/src/ndbapi/NdbTransactionScan.cpp
@@ -0,0 +1,122 @@
+/* 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 */
+
+
+#include <ndb_global.h>
+
+#include <Ndb.hpp>
+#include <NdbTransaction.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			
+NdbTransaction::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			
+NdbTransaction::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;
+}