#include <TFile.h>
#include <TTree.h>
+#include <TTreeIndex.h>
+#include <TGrid.h>
#include "AliRawReaderRoot.h"
#include "AliRawVEvent.h"
#include "AliRawEventHeaderBase.h"
ClassImp(AliRawReaderRoot)
+Bool_t AliRawReaderRoot::fgUseOrder = kFALSE;
+
AliRawReaderRoot::AliRawReaderRoot() :
fFile(NULL),
fEquipment(NULL),
fRawData(NULL),
fPosition(NULL),
- fEnd(NULL)
+ fEnd(NULL),
+ fIndex(0x0)
{
// default constructor
fEquipment(NULL),
fRawData(NULL),
fPosition(NULL),
- fEnd(NULL)
+ fEnd(NULL),
+ fIndex(0x0)
{
// create an object to read digits from the given input file for the
// event with the given number
TDirectory* dir = gDirectory;
+ TString flStr = fileName;
+ if (flStr.BeginsWith("alien://") && !gGrid) TGrid::Connect("alien://");
fFile = TFile::Open(fileName);
dir->cd();
if (!fFile || !fFile->IsOpen()) {
fEquipment(NULL),
fRawData(NULL),
fPosition(NULL),
- fEnd(NULL)
+ fEnd(NULL),
+ fIndex(0x0)
{
// create an object to read digits from the given raw event
if (!fEvent) fIsValid = kFALSE;
fEquipment(NULL),
fRawData(NULL),
fPosition(NULL),
- fEnd(NULL)
+ fEnd(NULL),
+ fIndex(0x0)
{
// copy constructor
if (rawReader.fFile) {
- TDirectory* dir = gDirectory;
+ TDirectory* dir = gDirectory;
fFile = TFile::Open(rawReader.fFile->GetName());
dir->cd();
if (!fFile || !fFile->IsOpen()) {
fSubEvent = fEvent->GetSubEvent(fSubEventIndex-1);
fEquipment = fSubEvent->GetEquipment(fEquipmentIndex);
fRawData = fEquipment->GetRawData();
- fCount = 0;
+ fCount = 0;
fHeader = (AliRawDataHeader*) ((UChar_t*) fRawData->GetBuffer() +
((UChar_t*) rawReader.fHeader -
(UChar_t*) rawReader.fRawData->GetBuffer()));
+ // Now check the version of the header
+ UChar_t version = 2;
+ if (fHeader) version = fHeader->GetVersion();
+ if (version==3) {
+ fHeader = NULL;
+ fHeaderV3 = (AliRawDataHeaderV3*) ((UChar_t*) fRawData->GetBuffer() +
+ ((UChar_t*) rawReader.fHeaderV3 -
+ (UChar_t*) rawReader.fRawData->GetBuffer()));
+ }
fPosition = (UChar_t*) fRawData->GetBuffer() +
(rawReader.fPosition - (UChar_t*) rawReader.fRawData->GetBuffer());
fEnd = ((UChar_t*) fRawData->GetBuffer()) + fRawData->GetSize();
// check that there are enough bytes left for the data header
if (fPosition + sizeof(AliRawDataHeader) > fEnd) {
Error("ReadHeader", "could not read data header!");
- Warning("ReadHeader", "skipping %d bytes", fEnd - fPosition);
+ Warning("ReadHeader", "skipping %ld bytes", fEnd - fPosition);
fEquipment->GetEquipmentHeader()->Dump();
fCount = 0;
fPosition = fEnd;
// "read" the data header
fHeader = (AliRawDataHeader*) fPosition;
+ // Now check the version of the header
+ UChar_t version = 2;
+ if (fHeader) version=fHeader->GetVersion();
+ if (version==2) {
+ #ifndef R__BYTESWAP
+ SwapData((void*) fHeader, (void*) fHeaderSwapped, sizeof(AliRawDataHeader));
+ fHeader=fHeaderSwapped;
+#endif
+ if ((fPosition + fHeader->fSize) != fEnd) {
+ if (fHeader->fSize != 0xFFFFFFFF)
+ Warning("ReadHeader",
+ "Equipment %d : raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !",
+ fEquipment->GetEquipmentHeader()->GetId(),fHeader->fSize, fEnd - fPosition);
+ fHeader->fSize = fEnd - fPosition;
+ }
+ fPosition += sizeof(AliRawDataHeader);
+ fHeaderV3 = 0;
+ } else if (version==3) {
+ fHeaderV3 = (AliRawDataHeaderV3*) fPosition;
#ifndef R__BYTESWAP
- SwapData((void*) fHeader, (void*) fHeaderSwapped, sizeof(AliRawDataHeader));
- fHeader=fHeaderSwapped;
+ SwapData((void*) fHeaderV3, (void*) fHeaderSwapped, sizeof(AliRawDataHeaderV3));
+ fHeaderV3=fHeaderSwappedV3;
#endif
- if ((fPosition + fHeader->fSize) != fEnd) {
- if (fHeader->fSize != 0xFFFFFFFF)
- Warning("ReadHeader",
- "Equipment %d : raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !",
- fEquipment->GetEquipmentHeader()->GetId(),fHeader->fSize, fEnd - fPosition);
- fHeader->fSize = fEnd - fPosition;
+ if ((fPosition + fHeaderV3->fSize) != fEnd) {
+ if (fHeaderV3->fSize != 0xFFFFFFFF)
+ Warning("ReadHeader",
+ "Equipment %d : raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !",
+ fEquipment->GetEquipmentHeader()->GetId(),fHeader->fSize, fEnd - fPosition);
+ fHeaderV3->fSize = fEnd - fPosition;
+ }
+ fPosition += sizeof(AliRawDataHeaderV3);
+ fHeader = 0;
}
- fPosition += sizeof(AliRawDataHeader);
}
if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) {
// check consistency of data size in the header and in the sub event
if (fPosition + fCount > fEnd) {
Error("ReadHeader", "size in data header exceeds event size!");
- Warning("ReadHeader", "skipping %d bytes", fEnd - fPosition);
+ Warning("ReadHeader", "skipping %ld bytes", fEnd - fPosition);
+ fEquipment->GetEquipmentHeader()->Dump();
+ fCount = 0;
+ fPosition = fEnd;
+ fErrorCode = kErrSize;
+ continue;
+ }
+ } else if (fHeaderV3 && (fHeaderV3->fSize != 0xFFFFFFFF)) {
+ fCount = fHeaderV3->fSize - sizeof(AliRawDataHeaderV3);
+
+ // check consistency of data size in the header and in the sub event
+ if (fPosition + fCount > fEnd) {
+ Error("ReadHeader", "size in data header exceeds event size!");
+ Warning("ReadHeader", "skipping %ld bytes", fEnd - fPosition);
fEquipment->GetEquipmentHeader()->Dump();
fCount = 0;
fPosition = fEnd;
fEquipment = NULL;
fRawData = NULL;
fHeader = NULL;
+ fHeaderV3 = NULL;
fCount = 0;
fPosition = fEnd = NULL;
if (!fBranch) return kFALSE;
+ // check if it uses order or not
+ if (fgUseOrder && !fIndex) MakeIndex();
+
do {
delete fEvent;
fEvent = NULL;
fEventHeader = NULL;
fBranch->SetAddress(&fEvent);
- if (fBranch->GetEntry(fEventIndex+1) <= 0)
+ Int_t entryToGet = fEventIndex + 1;
+ if (fgUseOrder
+ && fIndex
+ && entryToGet<fBranch->GetEntries()
+ && entryToGet>-1 ) entryToGet = fIndex[entryToGet];
+ if (fBranch->GetEntry(entryToGet) <= 0)
return kFALSE;
fEventHeader = fEvent->GetHeader();
fEventIndex++;
if (!fBranch) return kFALSE;
+ // check if it uses order or not
+ if (fgUseOrder && !fIndex) MakeIndex();
+
delete fEvent;
fEvent = NULL;
fEventHeader = NULL;
fBranch->SetAddress(&fEvent);
- if (fBranch->GetEntry(event) <= 0)
+ Int_t entryToGet = event;
+ if (fgUseOrder
+ && fIndex
+ && entryToGet<fBranch->GetEntries()
+ && entryToGet>-1 ) entryToGet = fIndex[entryToGet];
+ if (fBranch->GetEntry(entryToGet) <= 0)
return kFALSE;
fEventHeader = fEvent->GetHeader();
fEventIndex = event;
if ((position + header->fSize) != end) {
if (header->fSize != 0xFFFFFFFF)
Warning("ReadHeader",
- "Equipment %d : raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !",
+ "Equipment %d : raw data size found in the header is wrong (%d != %ld)! Using the equipment size instead !",
equipment->GetEquipmentHeader()->GetId(),header->fSize, end - position);
header->fSize = end - position;
result |= kErrSize;
return result;
}
+
+AliRawReader* AliRawReaderRoot::CloneSingleEvent() const
+{
+ // Clones the current event and
+ // creates raw-reader for the cloned event
+ // Can be used in order to make asynchronious
+ // access to the current raw data within
+ // several threads (online event display/reco)
+
+ if (fEvent) {
+ // Root formatted raw data
+ AliRawVEvent *gdcRootEvent = (AliRawVEvent*)fEvent->Clone();
+ for (Int_t ldcCounter=0; ldcCounter < gdcRootEvent->GetNSubEvents(); ldcCounter++) {
+ AliRawVEvent *ldcRootEvent = gdcRootEvent->GetSubEvent(ldcCounter);
+ AliRawVEvent *subEvent = fEvent->GetSubEvent(ldcCounter);
+ for (Int_t eqCounter=0; eqCounter < ldcRootEvent->GetNEquipments(); eqCounter++) {
+ AliRawVEquipment *equipment=ldcRootEvent->GetEquipment(eqCounter);
+ AliRawVEquipment *eq = subEvent->GetEquipment(eqCounter);
+ equipment->CloneRawData(eq->GetRawData());
+ }
+ }
+ // Reset original event and newly
+ // produced one
+ gdcRootEvent->GetSubEvent(-1);
+ fEvent->GetSubEvent(-1);
+ return new AliRawReaderRoot(gdcRootEvent);
+ }
+ return NULL;
+}
+
+void AliRawReaderRoot::MakeIndex() {
+ // Make index
+ if (fBranch) {
+ TTree * rawTree = fBranch->GetTree();
+ if (rawTree) {
+ rawTree->BuildIndex("-fEvtHdrs[0].fSize"); // Minus sign to get largest first
+ TTreeIndex * treeInd = (TTreeIndex*)rawTree->GetTreeIndex();
+ if (treeInd) fIndex = treeInd->GetIndex();
+ }
+ }
+}