/// To gain the most out of the decoder, the Next() method which returns batches
/// of decoded digit / channel information should be used. That is:
/// \code
-/// UInt_t Next(const AliChannelInfo*& channels);
+/// const AliBusPatch* Next();
/// \endcode
///
+/// This decoder tries to implement as similar an interface as possible to
+/// AliMUONRawStreamTracker where possible. However certain constructs which
+/// would slow us down too much are avoided.
+///
/// \author Artur Szostak <artursz@iafrica.com>
//-----------------------------------------------------------------------------
#include "AliRawReader.h"
#include "AliLog.h"
#include <cassert>
+#include <iostream>
+#include <iomanip>
+using std::cout;
+using std::endl;
+using std::hex;
+using std::dec;
/// \cond CLASSIMP
ClassImp(AliMUONRawStreamTrackerHP)
AliMUONVRawStreamTracker(),
fDecoder(),
fDDL(0),
- fCurrentChannel(0),
fBufferSize(8192),
fBuffer(new UChar_t[8192]),
- fHadError(kFALSE)
+ fCurrentBusPatch(NULL),
+ fCurrentData(NULL),
+ fEndOfData(NULL),
+ fHadError(kFALSE),
+ fDone(kFALSE)
{
///
/// Default constructor.
///
+
+ // Must set this flag to get all information about parity errors though
+ // the OnData method. OnError gets them either way.
+ fDecoder.ExitOnError(false);
+ fDecoder.SendDataOnParityError(true);
+
+ fDecoder.GetHandler().SetMaxStructs(
+ fDecoder.MaxBlocks(),
+ fDecoder.MaxDSPs(),
+ fDecoder.MaxBusPatches()
+ );
+
+ fDecoder.GetHandler().SetRawStream(this);
}
AliMUONVRawStreamTracker(rawReader),
fDecoder(),
fDDL(0),
- fCurrentChannel(0),
fBufferSize(8192),
fBuffer(new UChar_t[8192]),
- fHadError(kFALSE)
+ fCurrentBusPatch(NULL),
+ fCurrentData(NULL),
+ fEndOfData(NULL),
+ fHadError(kFALSE),
+ fDone(kFALSE)
{
///
/// Constructor with AliRawReader as argument.
///
+ // Must set this flag to get all information about parity errors though
+ // the OnData method. OnError gets them either way.
+ fDecoder.ExitOnError(false);
+ fDecoder.SendDataOnParityError(true);
+
+ fDecoder.GetHandler().SetMaxStructs(
+ fDecoder.MaxBlocks(),
+ fDecoder.MaxDSPs(),
+ fDecoder.MaxBusPatches()
+ );
+
fDecoder.GetHandler().SetRawStream(this);
}
assert( GetReader() != NULL );
fDDL = 0;
+ fDone = kFALSE;
NextDDL();
}
assert( GetReader() != NULL );
- if (IsDone()) return kFALSE;
-
- do
+ while (fDDL < GetMaxDDL())
{
GetReader()->Reset();
GetReader()->Select("MUONTRK", fDDL, fDDL); // Select the DDL file to be read.
AliDebug(3, Form("Skipping DDL %d which does not seem to be there", fDDL+1));
fDDL++;
}
- while (fDDL < GetMaxDDL());
-
+
+ // If we reach the end of the DDL list for this event then reset the
+ // DDL counter, mark the iteration as done and
+ if (fDDL >= GetMaxDDL())
+ {
+ fDDL = 0;
+ fDone = kTRUE;
+ return kFALSE;
+ }
+ else
+ {
+ fDone = kFALSE;
+ }
+
AliDebug(3, Form("DDL Number %d\n", fDDL));
Int_t dataSize = GetReader()->GetDataSize(); // in bytes
}
#ifndef R__BYTESWAP
- Swap(fBuffer, dataSize); // Swap needed for mac power pc.
+ Swap(reinterpret_cast<UInt_t*>(fBuffer), dataSize / sizeof(UInt_t)); // Swap needed for mac power pc.
#endif
bool result = false;
// Since we might allocate memory inside OnNewBuffer in the event
// handler we need to trap any memory allocation exception to be robust.
result = fDecoder.Decode(fBuffer, dataSize);
+ fHadError = (result == true ? kFALSE : kTRUE);
}
catch (const std::bad_alloc&)
{
AliError("Could not allocate more buffer space. Cannot decode DDL.");
return kFALSE;
}
-
- fCurrentChannel = 0;
+
+ // Update the current bus patch pointers.
+ fCurrentBusPatch = fDecoder.GetHandler().FirstBusPatch();
+ if (fCurrentBusPatch != fDecoder.GetHandler().EndOfBusPatch())
+ {
+ fCurrentData = fCurrentBusPatch->GetData();
+ fEndOfData = fCurrentData + fCurrentBusPatch->GetDataCount();
+ }
+ else
+ {
+ // If the DDL did not have any bus patches then mark both fCurrentData
+ // and fEndOfData as NULL so that in Next() we are forced to find the
+ // first non empty DDL.
+ fCurrentData = fEndOfData = NULL;
+ }
+
fDDL++; // Remember to increment index to next DDL.
- return result;
+ return kTRUE;
}
/// Indicates whether the iteration is finished or not.
/// \return kTRUE if we already read all the digits and kFALSE if not.
- return fDDL == GetMaxDDL();
+ return fDone;
}
/// \return kTRUE if we read another digit and kFALSE if we have read all the
/// digits already, i.e. at the end of the iteration.
- if (fCurrentChannel < fDecoder.GetHandler().ChannelCount())
+retry:
+ // Check if we still have data to be returned for the current bus patch.
+ if (fCurrentData != fEndOfData)
{
- const AliChannelInfo& channel = fDecoder.GetHandler().Channels()[fCurrentChannel];
- busPatchId = channel.BusPatchId();
- manuId = channel.ManuId();
- manuChannel = channel.ChannelId();
- adc = channel.ADC();
- fCurrentChannel++;
+ busPatchId = fCurrentBusPatch->GetBusPatchId();
+ AliMUONTrackerDDLDecoderEventHandler::UnpackADC(*fCurrentData, manuId, manuChannel, adc);
+ fCurrentData++;
return kTRUE;
}
else
{
- if (NextDDL())
+ // We hit the end of the current bus patch so check if we have any more
+ // bus patches to process for the current DDL. If we do, then increment
+ // the current bus patch, make sure it is not the last one and then try
+ // reading the first element again.
+ if (fCurrentBusPatch != fDecoder.GetHandler().EndOfBusPatch())
{
- if (fCurrentChannel < fDecoder.GetHandler().ChannelCount())
+ fCurrentBusPatch++;
+ if (fCurrentBusPatch != fDecoder.GetHandler().EndOfBusPatch())
{
- const AliChannelInfo& channel = fDecoder.GetHandler().Channels()[fCurrentChannel];
- busPatchId = channel.BusPatchId();
- manuId = channel.ManuId();
- manuChannel = channel.ChannelId();
- adc = channel.ADC();
- fCurrentChannel++;
- return kTRUE;
+ fCurrentData = fCurrentBusPatch->GetData();
+ fEndOfData = fCurrentData + fCurrentBusPatch->GetDataCount();
+ goto retry;
}
}
+
+ // This was the last bus patch in the DDL so read in the next one and
+ // try reading the first data element again.
+ // Note: fCurrentBusPatch is set inside NextDDL().
+ if (NextDDL()) goto retry;
}
return kFALSE;
}
-UInt_t AliMUONRawStreamTrackerHP::Next(const AliChannelInfo*& channels)
+void AliMUONRawStreamTrackerHP::SetMaxBlock(Int_t blk)
{
- /// Returns the next batch of decoded channel data.
- /// [out] \param channels This is filled with a pointer to an array of
- /// channels / digits that were decoded. This method does not
- /// modify 'channels' if zero is returned.
- /// \return The number of elements in the array pointed to by 'channels'
- /// is returned. If zero is returned then there are no more channels to read.
+ /// Set maximum number of blocks per DDL allowed.
+ fDecoder.MaxBlocks( (UInt_t) blk );
- // Check if we are already at the end of the channels array. If so then we
- // need to fetch the next non empty DDL.
- if (fCurrentChannel >= fDecoder.GetHandler().ChannelCount())
+ fDecoder.GetHandler().SetMaxStructs(
+ fDecoder.MaxBlocks(),
+ fDecoder.MaxDSPs(),
+ fDecoder.MaxBusPatches()
+ );
+}
+
+
+void AliMUONRawStreamTrackerHP::SetMaxDsp(Int_t dsp)
+{
+ /// Set maximum number of Dsp per block allowed.
+ fDecoder.MaxDSPs( (UInt_t) dsp );
+
+ fDecoder.GetHandler().SetMaxStructs(
+ fDecoder.MaxBlocks(),
+ fDecoder.MaxDSPs(),
+ fDecoder.MaxBusPatches()
+ );
+}
+
+
+void AliMUONRawStreamTrackerHP::SetMaxBus(Int_t bus)
+{
+ /// Set maximum number of Buspatch per Dsp allowed.
+ fDecoder.MaxBusPatches( (UInt_t) bus );
+
+ fDecoder.GetHandler().SetMaxStructs(
+ fDecoder.MaxBlocks(),
+ fDecoder.MaxDSPs(),
+ fDecoder.MaxBusPatches()
+ );
+}
+
+///////////////////////////////////////////////////////////////////////////////
+
+void AliMUONRawStreamTrackerHP::AliBlockHeader::Print() const
+{
+ /// Print header to screen.
+
+ cout << "CRT info" << endl;
+ if (fHeader == NULL)
{
- do
- {
- if (not NextDDL()) return 0;
- }
- // Make sure to keep going even for empty DDL payloads:
- while (fDecoder.GetHandler().ChannelCount() == 0);
+ cout << "Header is NULL" << endl;
+ return;
+ }
+ cout << "DataKey: 0x" << hex << fHeader->fDataKey << dec << endl;
+ cout << "TotalLength: " << fHeader->fTotalLength << endl;
+ cout << "Length: " << fHeader->fLength << endl;
+ cout << "DspId: " << fHeader->fDSPId << endl;
+ cout << "L0Trigger: " << fHeader->fL0Trigger << endl;
+ cout << "MiniEventId: " << fHeader->fMiniEventId<< endl;
+ cout << "EventId1: " << fHeader->fEventId1 << endl;
+ cout << "EventId2: " << fHeader->fEventId2 << endl;
+}
+
+
+void AliMUONRawStreamTrackerHP::AliDspHeader::Print() const
+{
+ /// Print header to screen.
+
+ cout << "FRT info" << endl;
+ if (fHeader == NULL)
+ {
+ cout << "Header is NULL" << endl;
+ return;
+ }
+ cout << "DataKey: 0x" << hex << fHeader->fDataKey << dec << endl;
+ cout << "TotalLength: " << fHeader->fTotalLength << endl;
+ cout << "Length : " << fHeader->fLength << endl;
+ cout << "DspId: " << fHeader->fDSPId << endl;
+ cout << "BlkL1ATrigger: " << fHeader->fBlkL1ATrigger << endl;
+ cout << "MiniEventId: " << fHeader->fMiniEventId << endl;
+ cout << "L1ATrigger: " << fHeader->fL1ATrigger << endl;
+ cout << "L1RTrigger: " << fHeader->fL1RTrigger << endl;
+ cout << "PaddingWord: " << fHeader->fPaddingWord << endl;
+ cout << "ErrorWord: " << fHeader->fErrorWord << endl;
+}
+
+
+void AliMUONRawStreamTrackerHP::AliBusPatch::Print(const Option_t* opt) const
+{
+ /// Print header to screen.
+ cout << "Bus patch info" << endl;
+ if (fHeader == NULL)
+ {
+ cout << "Header is NULL" << endl;
+ return;
+ }
+ cout << "DataKey: 0x" << hex << fHeader->fDataKey << dec << endl;
+ cout << "fTotalLength: " << fHeader->fTotalLength << endl;
+ cout << "fLength: " << fHeader->fLength << endl;
+ cout << "fBusPatchId: " << fHeader->fBusPatchId << endl;
+
+ if (TString(opt).Contains("all"))
+ {
+ for (UInt_t i = 0; i < fHeader->fLength; ++i)
+ cout << "Data["<< i << "] = " << fData[i] << endl;
}
- channels = fDecoder.GetHandler().Channels() + fCurrentChannel;
- return fDecoder.GetHandler().ChannelCount() - fCurrentChannel;
}
///////////////////////////////////////////////////////////////////////////////
AliMUONRawStreamTrackerHP::AliDecoderEventHandler::AliDecoderEventHandler() :
- fBusPatchId(0),
- fChannelCount(0),
- fMaxChannels(8192),
- fChannelBuffer(new AliChannelInfo[8192]),
fRawStream(NULL),
- fBufferStart(NULL)
+ fBufferStart(NULL),
+ fBlockCount(0),
+ fBlocks(NULL),
+ fDSPs(NULL),
+ fBusPatches(NULL),
+ fEndOfBusPatches(NULL),
+ fMaxChannels(8192),
+ fParityOk(new Bool_t[8192]),
+ fCurrentBlock(NULL),
+ fCurrentDSP(NULL),
+ fCurrentBusPatch(NULL),
+ fCurrentParityOkFlag(NULL),
+ fParityErrors(0),
+ fGlitchErrors(0),
+ fPaddingErrors(0),
+ fWarnings(kTRUE)
{
- /// Default constructor initialises the internal buffer to store decoded
- /// channel / digit data to 8192 elements.
- /// This array will grow dynamically if needed.
+ /// Default constructor initialises the internal parity flags buffer to
+ /// store 8192 elements. This array will grow dynamically if needed.
}
{
/// Default destructor cleans up the allocated memory.
- if (fChannelBuffer != NULL)
+ if (fParityOk != NULL) delete [] fParityOk;
+ if (fBlocks != NULL) delete [] fBlocks;
+ if (fDSPs != NULL) delete [] fDSPs;
+ if (fBusPatches != NULL) delete [] fBusPatches;
+}
+
+
+void AliMUONRawStreamTrackerHP::AliDecoderEventHandler::SetMaxStructs(
+ UInt_t maxBlocks, UInt_t maxDsps, UInt_t maxBusPatches
+ )
+{
+ /// Sets the maximum number of structures allowed.
+
+ // Start by clearing the current arrays.
+ if (fBlocks != NULL)
+ {
+ delete [] fBlocks;
+ fBlocks = NULL;
+ }
+ if (fDSPs != NULL)
{
- delete [] fChannelBuffer;
+ delete [] fDSPs;
+ fDSPs = NULL;
}
+ if (fBusPatches != NULL)
+ {
+ delete [] fBusPatches;
+ fBusPatches = NULL;
+ }
+ fCurrentBlock = NULL;
+ fCurrentDSP = NULL;
+ fCurrentBusPatch = NULL;
+
+ // Allocate new memory.
+ fBlocks = new AliBlockHeader[maxBlocks];
+ fDSPs = new AliDspHeader[maxBlocks*maxDsps];
+ fBusPatches = new AliBusPatch[maxBlocks*maxDsps*maxBusPatches];
+ fEndOfBusPatches = fEndOfBusPatches;
}
+
void AliMUONRawStreamTrackerHP::AliDecoderEventHandler::OnNewBuffer(
const void* buffer, UInt_t bufferSize
)
/// \param buffer The pointer to the buffer storing the DDL payload.
/// \param bufferSize The size of the buffer in bytes.
+ assert( fRawStream != NULL );
+
// remember the start of the buffer to be used in OnError.
fBufferStart = buffer;
-
- // Reset the number of channels found.
- fChannelCount = 0;
-
- // Check if we will have enough space in the fChannelBuffer array.
+
+ // Reset error counters.
+ fParityErrors = 0;
+ fGlitchErrors = 0;
+ fPaddingErrors = 0;
+
+ // Check if we will have enough space in the fParityOk array.
// If we do not then we need to resize the array.
// bufferSize / sizeof(UInt_t) will be a safe over estimate of the
// number of channels that we will find.
- UInt_t maxPossibleChannels = bufferSize / sizeof(UInt_t);
- if (maxPossibleChannels > fMaxChannels)
+ UInt_t maxChannelsPossible = bufferSize / sizeof(UInt_t);
+ if (maxChannelsPossible > fMaxChannels)
{
- if (fChannelBuffer != NULL)
+ if (fParityOk != NULL)
{
- delete [] fChannelBuffer;
- fChannelBuffer = NULL;
+ delete [] fParityOk;
+ fParityOk = NULL;
fMaxChannels = 0;
}
- fChannelBuffer = new AliChannelInfo[maxPossibleChannels];
- fMaxChannels = maxPossibleChannels;
+ fParityOk = new Bool_t[maxChannelsPossible];
+ fMaxChannels = maxChannelsPossible;
}
-}
-
-
-void AliMUONRawStreamTrackerHP::AliDecoderEventHandler::OnNewBusPatch(
- const AliMUONBusPatchHeaderStruct* header, const void* /*data*/
- )
-{
- /// This is called by the high performance decoder when a new bus patch
- /// is found within the DDL payload. All we do is remember the bus patch ID.
- /// \param header The bus patch header structure.
- /// \param data The bus patch data (not used in this method).
- fBusPatchId = header->fBusPatchId;
-}
-
-
-void AliMUONRawStreamTrackerHP::AliDecoderEventHandler::OnData(UInt_t data)
-{
- /// This is called by the high performance decoder when a new bus patch
- /// is found within the DDL payload. All we do is remember the bus patch ID.
- /// \param data The bus patch data (not used in this method).
-
- assert( fChannelCount < fMaxChannels );
-
- UShort_t manuId; UChar_t channelId; UShort_t adc;
- UnpackADC(data, manuId, channelId, adc);
- fChannelBuffer[fChannelCount] = AliChannelInfo(fBusPatchId, manuId, channelId, adc);
- fChannelCount++;
+ // Reset the current pointers which will be used to track where we need to
+ // fill fBlocks, fDSPs, fBusPatches and the parity flag. We have to subtract
+ // one space because we will increment the pointer the first time in the
+ // OnNewXZY methods.
+ fCurrentBlock = fBlocks-1;
+ fCurrentDSP = fDSPs-1;
+ fCurrentBusPatch = fBusPatches-1;
+ fCurrentParityOkFlag = fParityOk-1;
+ fBlockCount = 0;
}
assert( fRawStream != NULL );
assert( fRawStream->GetReader() != NULL );
- const char* msg = ErrorCodeToMessage(error);
- unsigned long pos = (unsigned long)location - (unsigned long)fBufferStart;
-
+ Char_t* message = NULL;
+ UInt_t word = 0;
+
switch (error)
{
+ case kGlitchFound:
+ message = Form(
+ "Glitch error detected in DSP %d, skipping event ",
+ fCurrentBlock->GetDspId()
+ );
+ fRawStream->GetReader()->AddMajorErrorLog(error, message);
+ break;
+
case kBadPaddingWord:
+ // We subtract 1 from the current numbers of blocks, DSPs
+ // and bus patches to get the indices.
+ message = Form(
+ "Padding word error for iBlock %d, iDsp %d, iBus %d\n",
+ fBlockCount-1,
+ fCurrentBlock->GetDspCount()-1,
+ fCurrentDSP->GetBusPatchCount()-1
+ );
+ fRawStream->GetReader()->AddMinorErrorLog(error, message);
+ break;
+
case kParityError:
- fRawStream->GetReader()->AddMinorErrorLog(error, Form("%s [At byte: %d]", msg, pos));
+ // location points to the incorrect data word and
+ // fCurrentBusPatch->GetData() returns a pointer to the start of
+ // bus patches data, so the difference divided by 4 gives the 32
+ // bit word number.
+ word = ((unsigned long)location - (unsigned long)fCurrentBusPatch->GetData())
+ / sizeof(UInt_t);
+ message = Form(
+ "Parity error in word %d for manuId %d and channel %d in buspatch %d\n",
+ word,
+ fCurrentBusPatch->GetManuId(word),
+ fCurrentBusPatch->GetChannelId(word),
+ fCurrentBusPatch->GetBusPatchId()
+ );
+ fRawStream->GetReader()->AddMinorErrorLog(error, message);
break;
+
default:
- fRawStream->GetReader()->AddMajorErrorLog(error, Form("%s [At byte: %d]", msg, pos));
+ message = Form(
+ "%s (At byte %d in DDL.)",
+ ErrorCodeToMessage(error),
+ (unsigned long)location - (unsigned long)fBufferStart + sizeof(AliRawDataHeader)
+ );
+ fRawStream->GetReader()->AddMajorErrorLog(error, message);
break;
}
+
+ if (fWarnings)
+ {
+ AliWarningGeneral(
+ "AliMUONRawStreamTrackerHP::AliDecoderEventHandler",
+ message
+ );
+ }
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff