* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
///////////////////////////////////////////////////////////////////////////////
-//
-// This is a class for reading a raw data from a date event and providing
-// information about digits
-//
+///
+/// This is a class for reading raw data from a date file or event.
+///
+/// The AliRawReaderDate is constructed either with a pointer to a
+/// date event or with a file name and an event number.
+///
///////////////////////////////////////////////////////////////////////////////
#include "AliRawReaderDate.h"
AliRawReaderDate::AliRawReaderDate(
#ifdef ALI_DATE
- void* event
+ void* event, Bool_t owner
#else
- void* /* event */
+ void* /* event */, Bool_t owner
#endif
) :
- fRequireMiniHeader(kTRUE),
+ fFile(NULL),
fEvent(NULL),
fSubEvent(NULL),
fEquipment(NULL),
- fIsOwner(kFALSE),
fPosition(NULL),
- fEnd(NULL)
+ fEnd(NULL),
+ fOwner(owner)
{
// create an object to read digits from the given date event
Int_t /*eventNumber*/
#endif
) :
- fRequireMiniHeader(kTRUE),
+ fFile(NULL),
fEvent(NULL),
fSubEvent(NULL),
fEquipment(NULL),
- fIsOwner(kFALSE),
fPosition(NULL),
- fEnd(NULL)
+ fEnd(NULL),
+ fOwner(kTRUE)
{
// create an object to read digits from the given date event
#ifdef ALI_DATE
- FILE* file = fopen(fileName, "rb");
- if (!file) {
+ fFile = fopen(fileName, "rb");
+ if (!fFile) {
Error("AliRawReaderDate", "could not open file %s", fileName);
+ fIsValid = kFALSE;
return;
}
+ if (eventNumber < 0) return;
+
eventHeaderStruct header;
UInt_t headerSize = sizeof(eventHeaderStruct);
- while (fread(&header, 1, headerSize, file) == headerSize) {
+ while (fread(&header, 1, headerSize, fFile) == headerSize) {
if (eventNumber == 0) {
UChar_t* buffer = new UChar_t[header.eventSize];
- fseek(file, -headerSize, SEEK_CUR);
- if (fread(buffer, 1, header.eventSize, file) != header.eventSize) break;
+ fseek(fFile, -(long)headerSize, SEEK_CUR);
+ if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) break;
fEvent = (eventHeaderStruct*) buffer;
- fIsOwner = kTRUE;
break;
}
- fseek(file, header.eventSize-headerSize, SEEK_CUR);
+ fseek(fFile, header.eventSize-headerSize, SEEK_CUR);
eventNumber--;
}
- fclose(file);
#else
Fatal("AliRawReaderDate", "this class was compiled without DATE");
AliRawReaderDate::AliRawReaderDate(const AliRawReaderDate& rawReader) :
AliRawReader(rawReader),
- fRequireMiniHeader(rawReader.fRequireMiniHeader),
+ fFile(rawReader.fFile),
fEvent(rawReader.fEvent),
fSubEvent(rawReader.fSubEvent),
fEquipment(rawReader.fEquipment),
- fIsOwner(kFALSE),
fPosition(rawReader.fPosition),
- fEnd(rawReader.fEnd)
+ fEnd(rawReader.fEnd),
+ fOwner(rawReader.fOwner)
{
// copy constructor
+ Fatal("AliRawReaderDate", "copy constructor not implemented");
}
AliRawReaderDate& AliRawReaderDate::operator = (const AliRawReaderDate&
- rawReader)
+ /*rawReader*/)
{
// assignment operator
- this->~AliRawReaderDate();
- new(this) AliRawReaderDate(rawReader);
+ Fatal("operator =", "assignment operator not implemented");
return *this;
}
// destructor
#ifdef ALI_DATE
- if (fIsOwner) delete[] fEvent;
+ if (fEvent && fOwner) delete[] fEvent;
+ if (fFile) {
+ fclose(fFile);
+ }
#endif
}
#endif
}
+const UInt_t* AliRawReaderDate::GetSubEventAttributes() const
+{
+// get the type attributes from the sub event header
+
+#ifdef ALI_DATE
+ if (!fSubEvent) return NULL;
+ return fSubEvent->eventTypeAttribute;
+#else
+ return NULL;
+#endif
+}
+
UInt_t AliRawReaderDate::GetLDCId() const
{
// get the LDC Id from the event header
#endif
}
+UInt_t AliRawReaderDate::GetTimestamp() const
+{
+// get the timestamp from the event header
+
+#ifdef ALI_DATE
+ if (!fEvent) return 0;
+ return fEvent->eventTimestamp;
+#else
+ return 0;
+#endif
+}
Int_t AliRawReaderDate::GetEquipmentSize() const
{
-// get the size of the equipment
+// get the size of the equipment (including the header)
#ifdef ALI_DATE
if (!fEquipment) return 0;
- return fEquipment->equipmentSize;
+ if (fSubEvent->eventVersion <= 0x00030001) {
+ return fEquipment->equipmentSize + sizeof(equipmentHeaderStruct);
+ } else {
+ return fEquipment->equipmentSize;
+ }
#else
return 0;
#endif
#endif
}
+Int_t AliRawReaderDate::GetEquipmentHeaderSize() const
+{
+ // Get the equipment header size
+ // 28 bytes by default
+#ifdef ALI_DATE
+ return sizeof(equipmentHeaderStruct);
+#else
+ return 0;
+#endif
+}
Bool_t AliRawReaderDate::ReadHeader()
{
-// read a mini header at the current position
-// returns kFALSE if the mini header could not be read
+// read a data header at the current position
+// returns kFALSE if the data header could not be read
fErrorCode = 0;
#ifdef ALI_DATE
+ fHeader = NULL;
if (!fEvent) return kFALSE;
// check whether there are sub events
if (fEvent->eventSize <= fEvent->eventHeadSize) return kFALSE;
// get the first or the next equipment if at the end of an equipment
if (!fEquipment || (fPosition >= fEnd)) {
+ fEquipment = NULL;
// get the first or the next sub event if at the end of a sub event
if (!fSubEvent ||
// check for end of event data
if (fPosition >= ((UChar_t*)fEvent)+fEvent->eventSize) return kFALSE;
- if (fSubEvent) {
+ if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute,
+ ATTR_SUPER_EVENT)) {
+ fSubEvent = fEvent; // no super event
+ } else if (fSubEvent) {
fSubEvent = (eventHeaderStruct*) (((UChar_t*)fSubEvent) +
fSubEvent->eventSize);
} else {
return kFALSE;
}
+ // continue if no data in the subevent
+ if (fSubEvent->eventSize == fSubEvent->eventHeadSize) {
+ fPosition = fEnd = ((UChar_t*)fSubEvent) + fSubEvent->eventSize;
+ fCount = 0;
+ continue;
+ }
+
fEquipment = (equipmentHeaderStruct*)
(((UChar_t*)fSubEvent) + fSubEvent->eventHeadSize);
fCount = 0;
fPosition = ((UChar_t*)fEquipment) + sizeof(equipmentHeaderStruct);
- fEnd = fPosition + fEquipment->equipmentSize;
+ if (fSubEvent->eventVersion <= 0x00030001) {
+ fEnd = fPosition + fEquipment->equipmentSize;
+ } else {
+ fEnd = ((UChar_t*)fEquipment) + fEquipment->equipmentSize;
+ }
}
// continue with the next sub event if no data left in the payload
if (fPosition >= fEnd) continue;
- fMiniHeader = NULL;
- if (fRequireMiniHeader) {
- // check that there are enough bytes left for the mini header
- if (fPosition + sizeof(AliMiniHeader) > fEnd) {
- Error("ReadHeader", "could not read mini header data!");
+ if (fRequireHeader) {
+ // check that there are enough bytes left for the data header
+ if (fPosition + sizeof(AliRawDataHeader) > fEnd) {
+ Error("ReadHeader", "could not read data header data!");
Warning("ReadHeader", "skipping %d bytes\n"
" run: %d event: %d %d LDC: %d GDC: %d\n",
fEnd - fPosition, fSubEvent->eventRunNb,
fSubEvent->eventLdcId, fSubEvent->eventGdcId);
fCount = 0;
fPosition = fEnd;
- fErrorCode = kErrNoMiniHeader;
+ fErrorCode = kErrNoDataHeader;
continue;
}
- // "read" and check the mini header
- fMiniHeader = (AliMiniHeader*) fPosition;
- fPosition += sizeof(AliMiniHeader);
- if (!CheckMiniHeader()) {
- Error("ReadHeader", "wrong magic word in mini header!");
- Warning("ReadHeader", "skipping %d bytes\n"
- " run: %d event: %d %d LDC: %d GDC: %d\n",
- fEnd - fPosition, fSubEvent->eventRunNb,
- fSubEvent->eventId[0], fSubEvent->eventId[1],
- fSubEvent->eventLdcId, fSubEvent->eventGdcId);
- fCount = 0;
- fPosition = fEnd;
- fErrorCode = kErrMiniMagic;
- continue;
- }
-
- } else { // if mini header not required
- // assume there is a mini header if the magic word is correct
- if ((fPosition + sizeof(AliMiniHeader) <= fEnd) &&
- CheckMiniHeader((AliMiniHeader*) fPosition)) {
- fMiniHeader = (AliMiniHeader*) fPosition;
- fPosition += sizeof(AliMiniHeader);
+ // "read" the data header
+ fHeader = (AliRawDataHeader*) fPosition;
+ if ((fPosition + fHeader->fSize) != fEnd) {
+ if ((fHeader->fSize != 0xFFFFFFFF) &&
+ (fEquipment->equipmentId != 4352))
+ Warning("ReadHeader",
+ "raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !",
+ fHeader->fSize, fEnd - fPosition);
+ fHeader->fSize = fEnd - fPosition;
}
+ fPosition += sizeof(AliRawDataHeader);
}
- if (fMiniHeader) {
- fCount = fMiniHeader->fSize;
+ if (fHeader && (fHeader->fSize != 0xFFFFFFFF)) {
+ fCount = fHeader->fSize - sizeof(AliRawDataHeader);
- // check consistency of data size in the mini header and in the sub event
+ // check consistency of data size in the header and in the sub event
if (fPosition + fCount > fEnd) {
- Error("ReadHeader", "size in mini header exceeds event size!");
+ Error("ReadHeader", "size in data header exceeds event size!");
Warning("ReadHeader", "skipping %d bytes\n"
" run: %d event: %d %d LDC: %d GDC: %d\n",
fEnd - fPosition, fSubEvent->eventRunNb,
fCount = fEnd - fPosition;
}
- } while (!IsSelected());
+ } while (!fEquipment || !IsSelected());
return kTRUE;
#else
#ifdef ALI_DATE
fSubEvent = NULL;
+ fEquipment = NULL;
#endif
fCount = 0;
fPosition = fEnd = NULL;
}
+Bool_t AliRawReaderDate::NextEvent()
+{
+// go to the next event in the date file
+
+#ifdef ALI_DATE
+ if (!fFile) {
+ if (fEventNumber < 0 && fEvent) {
+ fEventNumber++;
+ return kTRUE;
+ }
+ else
+ return kFALSE;
+ }
+
+ Reset();
+ eventHeaderStruct header;
+ UInt_t headerSize = sizeof(eventHeaderStruct);
+ if (fEvent) delete[] fEvent;
+ fEvent = &header;
+
+ while (fread(&header, 1, headerSize, fFile) == headerSize) {
+ if (!IsEventSelected()) {
+ fseek(fFile, header.eventSize-headerSize, SEEK_CUR);
+ continue;
+ }
+ UChar_t* buffer = new UChar_t[header.eventSize];
+ fseek(fFile, -(long)headerSize, SEEK_CUR);
+ if (fread(buffer, 1, header.eventSize, fFile) != header.eventSize) {
+ Error("NextEvent", "could not read event from file");
+ delete[] buffer;
+ break;
+ }
+ fEvent = (eventHeaderStruct*) buffer;
+ fEventNumber++;
+ return kTRUE;
+ };
+
+ fEvent = NULL;
+#endif
+
+ return kFALSE;
+}
+
+Bool_t AliRawReaderDate::RewindEvents()
+{
+// go back to the beginning of the date file
+
+ if (fFile)
+ fseek(fFile, 0, SEEK_SET);
+
+ fEventNumber = -1;
+ return Reset();
+}
+
+
Int_t AliRawReaderDate::CheckData() const
{
// check the consistency of the data
// check for end of event data
if (position >= ((UChar_t*)fEvent)+fEvent->eventSize) return result;
- if (subEvent) {
+ if (!TEST_SYSTEM_ATTRIBUTE(fEvent->eventTypeAttribute,
+ ATTR_SUPER_EVENT)) {
+ subEvent = fEvent; // no super event
+ } else if (subEvent) {
subEvent = (eventHeaderStruct*) (((UChar_t*)subEvent) +
subEvent->eventSize);
} else {
// continue with the next sub event if no data left in the payload
if (position >= end) continue;
- // check that there are enough bytes left for the mini header
- if (position + sizeof(AliMiniHeader) > end) {
- result |= kErrNoMiniHeader;
- position = end;
- continue;
- }
+ if (fRequireHeader) {
+ // check that there are enough bytes left for the data header
+ if (position + sizeof(AliRawDataHeader) > end) {
+ result |= kErrNoDataHeader;
+ position = end;
+ continue;
+ }
- // "read" and check the mini header
- AliMiniHeader* miniHeader = (AliMiniHeader*) position;
- position += sizeof(AliMiniHeader);
- if (!CheckMiniHeader(miniHeader)){
- result |= kErrMiniMagic;
- position = end;
- continue;
+ // check consistency of data size in the data header and in the sub event
+ AliRawDataHeader* header = (AliRawDataHeader*) position;
+ if ((position + header->fSize) != end) {
+ if (header->fSize != 0xFFFFFFFF)
+ Warning("ReadHeader",
+ "raw data size found in the header is wrong (%d != %d)! Using the equipment size instead !",
+ header->fSize, end - position);
+ header->fSize = end - position;
+ result |= kErrSize;
+ }
}
-
- // check consistency of data size in the mini header and in the sub event
- if (position + miniHeader->fSize > end) result |= kErrSize;
- position += miniHeader->fSize;
+ position = end;
};
#endif
return 0;
}
+
+AliRawReader* AliRawReaderDate::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)
+
+#ifdef ALI_DATE
+ if (fEvent) {
+ UInt_t evSize = fEvent->eventSize;
+ if (evSize) {
+ UChar_t *newEvent = new UChar_t[evSize];
+ memcpy(newEvent,fEvent,evSize);
+ return new AliRawReaderDate((void *)newEvent,kTRUE);
+ }
+ }
+#else
+ Fatal("AliRawReaderDate", "this class was compiled without DATE");
+#endif
+ return NULL;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff