| 1 | 
/** @file | 
| 2 | 
 * $Author: kusanagi $ | 
| 3 | 
 * $Date: 2005/03/04 15:54:11 $ | 
| 4 | 
 * $Revision: 3.0 $ | 
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 *  | 
| 6 | 
 * Implementation of the functions of a sample Algorithm class. | 
| 7 | 
 * This file can be used as a templace to develop your own algorithm. | 
| 8 | 
 */ | 
| 9 | 
 | 
| 10 | 
#include <log4cxx/logger.h> | 
| 11 | 
#include <fstream> | 
| 12 | 
#include "EventReader.h" | 
| 13 | 
#include "ReaderAlgorithms.h" | 
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 | 
| 15 | 
 | 
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extern "C" { | 
| 17 | 
    #include "CRC.h" | 
| 18 | 
} | 
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 | 
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using namespace pamela; | 
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using namespace pamela::techmodel; | 
| 22 | 
 | 
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static log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger(_T("pamela.techmodel.EventReader")); | 
| 24 | 
 | 
| 25 | 
unsigned int EventReader::maxPackets     = 0; | 
| 26 | 
unsigned int EventReader::prevPckCounter = 0; | 
| 27 | 
unsigned int EventReader::prevPckOBT     = 0; | 
| 28 | 
 | 
| 29 | 
 | 
| 30 | 
/** | 
| 31 | 
 * Constructor.  | 
| 32 | 
 */ | 
| 33 | 
EventReader::EventReader(int packetsLimit = -1):  | 
| 34 | 
  TechmodelAlgorithm(0, "TechmodelEventReader"){  | 
| 35 | 
  EventReader::maxPackets = packetsLimit; | 
| 36 | 
  logger->debug(_T("Constructor")); | 
| 37 | 
  Header = new EventHeader(); | 
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 | 
| 39 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun,      new PhysEndRunReader)); | 
| 40 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1,  new CalibCalPulse1Reader)); | 
| 41 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2,  new CalibCalPulse2Reader)); | 
| 42 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,         new PhysicsReader)); | 
| 43 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrkBoth,    new CalibTrkBothReader)); | 
| 44 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader)); | 
| 45 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader)); | 
| 46 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd,        new CalibTrdReader)); | 
| 47 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader)); | 
| 48 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader)); | 
| 49 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,     new CalibCalPedReader)); | 
| 50 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac1,      new Calib1_Ac1Reader)); | 
| 51 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac1,      new Calib2_Ac1Reader)); | 
| 52 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac2,      new Calib1_Ac2Reader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2,      new Calib2_Ac2Reader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer,    new CalibTrailerReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader,      new InitHeaderReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader)); | 
| 60 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk,        new EventTrkReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTrk,         new TestTrkReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTof,         new TestTofReader)); | 
| 63 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader)); | 
| 64 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader)); | 
| 65 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader)); | 
| 66 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader)); | 
| 67 | 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init,         new Ac1InitReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit,          new NdInitReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init,          new S4InitReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init,         new Ac2InitReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Alarm,         new S4AlarmReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbT,            new TsbTReader)); | 
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  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbB,            new TsbBReader)); | 
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} | 
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 | 
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/** | 
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 * Get a string with the version info of the algorithm. | 
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 */ | 
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std::string EventReader::GetVersionInfo(void) const { | 
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  return  | 
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    "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 3.0 2005/03/04 15:54:11 kusanagi Exp $\n"; | 
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} | 
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 | 
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/** | 
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 * Initialize the algorithm with a special run. This will initialize the | 
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 * event reader routines for all packet types. | 
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 */ | 
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void EventReader::Init(PamelaRun *run) { | 
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    SetInputStream(run); | 
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     | 
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    //Create the structure of directories and create xxx.Header.root files | 
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    run->WriteHeaders(this, &Header);  | 
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 | 
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    //Create the xxx.root in it's specific directory | 
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    for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();  | 
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       i != TechmodelAlgorithmMap.end(); i++) { | 
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       oss.str(""); | 
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       oss << "Initializing algo " << i->second->GetAlgorithmName(); | 
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       logger->debug(oss.str().c_str()); | 
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       i->second->Init(run); | 
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    } | 
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    Run = dynamic_cast<TechmodelPamelaRun*>(run); | 
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} | 
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 | 
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static void SkipToNextHeader(ifstream *); | 
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 | 
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/** | 
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 * Read the next event header, call the reader algorithms that | 
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 * correspond to its packet type, and read the event trailer. | 
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 */ | 
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 | 
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// 15 June 2004 ---note------------------ | 
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// A nice refacoring would require to not read again the packet data (which is | 
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// read in the UnpackPscuHeader() and put directly in  the | 
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// EventAlgorithm->RunEvent(....) directly the data inside the packet.... will see later.... | 
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// 15 June 2004 ---note------------------ | 
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void EventReader::RunEvent(int EventNumber) { | 
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  //for now i'll suppose that the raw file starts immediately with the right bytes | 
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  //to insert a GetPacketStart() | 
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  stringstream oss; | 
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  int step = 0; | 
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  const PacketType* type; | 
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  while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){ | 
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    try { | 
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      if (FindStart()) { | 
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            UnpackPscuHeader(); | 
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            type = Header->GetPscuHeader()->GetPacketType(); | 
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            AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);  | 
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            if (i != TechmodelAlgorithmMap.end()) { | 
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                TechmodelAlgorithm *EventAlgorithm(i->second); | 
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                EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght()); | 
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                Run->FillTrees(type); | 
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                Header->GetCounter()->Increment(type); | 
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                logger->info(Header->GetPscuHeader()->Print()); | 
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            } else { | 
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                oss.str(""); | 
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                oss << "\n No way to read events of type  " << type->GetName().c_str() << Header->GetPscuHeader()->Print(); | 
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                throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger! | 
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            } | 
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      } | 
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    // In case of exception have to save the packet in a specific root file?? | 
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    } catch (NotExistingAlgorithmException exc) { | 
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      oss.str(""); | 
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      oss << exc.print() << " " << Header->GetPscuHeader()->Print(); | 
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      logger->error(oss.str().c_str()); | 
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    } catch (WrongCRCHeaderException exc) { | 
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      oss.str(""); | 
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      oss << exc.print(); | 
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      logger->error(oss.str().c_str()); | 
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    } catch (WrongCRCException exc) { | 
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      oss.str(""); | 
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      oss << exc.print() << " " << Header->GetPscuHeader()->Print(); | 
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      logger->error(oss.str().c_str()); | 
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    } catch (UnidentifiedPacketException exc) { | 
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      oss.str(""); | 
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      oss << exc.print() << " " << Header->GetPscuHeader()->Print(); | 
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      logger->error(oss.str().c_str()); | 
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    } catch (NotExistingCounterException exc) { | 
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      oss.str(""); | 
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      oss << exc.print() << " " << Header->GetPscuHeader()->Print(); | 
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      logger->error(oss.str().c_str()); | 
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    } catch (LengthException exc) { | 
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      oss.str(""); | 
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      oss << exc.print() << " " << Header->GetPscuHeader()->Print(); | 
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      logger->error(oss.str().c_str()); | 
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    } catch (...) { | 
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      logger->error("Couldn't read the event. Skipping to the next header. \n"); | 
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    } | 
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    if ((step%1000) == 0) std::cout << step/1000 << "K \n"; | 
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    oss.str(""); | 
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    oss << "----endPck " << Header->GetPscuHeader()->GetCounter() << "\n"; | 
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    logger->info(oss.str().c_str()); | 
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  } | 
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    Header->GetCounter()->PrintCounters(); | 
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} | 
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 | 
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static void SkipToNextHeader(ifstream* TechmodelFile) { | 
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  //  yeah. | 
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} | 
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 | 
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 | 
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 | 
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/** | 
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 * Unpack the PSCU header from a file into the structure. | 
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 */ | 
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void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException) { | 
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  stringstream oss; | 
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  int response = false; | 
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  char buff[16]; | 
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  InputFile->read(buff, sizeof(buff)); | 
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   | 
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   | 
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  unsigned char PacketId1    = buff[3]; | 
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  unsigned char PacketId2    = buff[4]; | 
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  unsigned int  Counter      = (((UINT32)buff[5]<<16)&0x00FF0000) + (((UINT32)buff[6]<<8)&0x0000FF00) + (((UINT32)buff[7])&0x000000FF); | 
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  unsigned int  OrbitalTime  = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) +  (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF); | 
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  unsigned int  PacketLenght = (((UINT32)buff[12]<<16)&0x00FF0000) +  (((UINT32)buff[13]<<8)&0x0000FF00) + (((UINT32)buff[14])&0x000000FF); | 
| 210 | 
  unsigned char CRC          = buff[15]; | 
| 211 | 
  unsigned char FileOffset   = buff[15]; | 
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 | 
| 213 | 
  if (Counter < prevPckCounter){ | 
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    oss.str(""); | 
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    oss << "Packet counter is less than before of " << (prevPckCounter - Counter); | 
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    logger->error(oss.str().c_str()); | 
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  } | 
| 218 | 
 | 
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  if (Counter > prevPckCounter + 1){ | 
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    oss.str(""); | 
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    oss << "Packet counter is greater than before of " << (Counter - prevPckCounter); | 
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    logger->error(oss.str().c_str()); | 
| 223 | 
  } | 
| 224 | 
   | 
| 225 | 
  if ((OrbitalTime == prevPckOBT) & (PacketId1 == 0x10)){ | 
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    oss.str(""); | 
| 227 | 
    oss << "Onboard Time of this packet is equal to the previous packet OBT"; | 
| 228 | 
    logger->error(oss.str().c_str()); | 
| 229 | 
    logger->error(Header->GetPscuHeader()->Print()); | 
| 230 | 
  } | 
| 231 | 
 | 
| 232 | 
  if (OrbitalTime < prevPckOBT){ | 
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    oss.str(""); | 
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    oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime); | 
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    logger->error(oss.str().c_str()); | 
| 236 | 
  } | 
| 237 | 
 | 
| 238 | 
  if (((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]) && (PacketId1 == PacketId2)){ | 
| 239 | 
    prevPckCounter = Counter; | 
| 240 | 
    prevPckOBT     = OrbitalTime; | 
| 241 | 
    long int initPos = InputFile->tellg(); | 
| 242 | 
    long int finalPos; | 
| 243 | 
    Header->GetPscuHeader()->SetPacketId(PacketId1, PacketId2); | 
| 244 | 
    Header->GetPscuHeader()->SetCounter(Counter); | 
| 245 | 
    Header->GetPscuHeader()->SetOrbitalTime(OrbitalTime); | 
| 246 | 
    //PacketLength is the length of the whole DATApacket starting from the first byte after the header | 
| 247 | 
    //plus the CRC legth (which varies for each type of packet) | 
| 248 | 
    Header->GetPscuHeader()->SetPacketLenght(PacketLenght); | 
| 249 | 
    Header->GetPscuHeader()->SetCRC(CRC); | 
| 250 | 
    Header->GetPscuHeader()->SetFileOffset(((long int)(InputFile->tellg()) - 16)); | 
| 251 | 
     | 
| 252 | 
    //commented out because of the above test code | 
| 253 | 
    InputFile->seekg(Header->GetPscuHeader()->GetPacketLenght(), std::ios::cur); | 
| 254 | 
    if (FindStart()) { | 
| 255 | 
        finalPos =  (long int)InputFile->tellg() - (initPos + (long int)(Header->GetPscuHeader()->GetPacketLenght())); | 
| 256 | 
        if(finalPos == 0){ | 
| 257 | 
            logger->debug(_T(" Correct packet length")); | 
| 258 | 
            }  | 
| 259 | 
        if (finalPos > 0 && finalPos < 64) { | 
| 260 | 
            oss.str(""); | 
| 261 | 
            oss << "Correct packet length: Padded of " << finalPos << " bytes"; | 
| 262 | 
            logger->debug(oss.str().c_str()); | 
| 263 | 
        }  | 
| 264 | 
        if (finalPos > 64){ | 
| 265 | 
            oss.str(""); | 
| 266 | 
            oss << "\n The begin of the next packet is far more than 64 byte from the end of the previous." | 
| 267 | 
                << "\n Below the is the now unpacking packet"; | 
| 268 | 
            logger->error(oss.str().c_str()); | 
| 269 | 
            logger->error(Header->GetPscuHeader()->Print()); | 
| 270 | 
            //throw LengthException("The begin of the next packet is far more than 64 byte from the end of the previous."); | 
| 271 | 
        } | 
| 272 | 
    } | 
| 273 | 
    else { | 
| 274 | 
        logger->debug(_T(" END OF FILE"));         | 
| 275 | 
    } | 
| 276 | 
         | 
| 277 | 
        InputFile->seekg(initPos, std::ios::beg); | 
| 278 | 
  } else { | 
| 279 | 
     /*Here i should extract the block of Data for later analysis */ | 
| 280 | 
    InputFile->seekg(-(13), std::ios::cur); | 
| 281 | 
    oss.str(""); | 
| 282 | 
    oss << "CRC Header Error on packet:" << PscuHeader::Print(buff); | 
| 283 | 
    throw WrongCRCHeaderException(oss.str().c_str()); | 
| 284 | 
  } | 
| 285 | 
 | 
| 286 | 
/*    char tmpId1[4]; | 
| 287 | 
    char tmpId2[4]; | 
| 288 | 
    char tmpLength[12]; | 
| 289 | 
    char tmpStart[100]; | 
| 290 | 
    char tmpCRC[4]; | 
| 291 | 
    sprintf(tmpId1, "%02X", PacketId1); | 
| 292 | 
    sprintf(tmpId2, "%02X", PacketId2); | 
| 293 | 
    sprintf(tmpLength, "%06X", Header->GetPscuHeader()->GetPacketLenght()); | 
| 294 | 
    sprintf(tmpStart, "%X", Header->GetPscuHeader()->GetFileOffset()); | 
| 295 | 
    sprintf(tmpCRC, "%02X", CRC); | 
| 296 | 
    oss.flush(); | 
| 297 | 
    oss << "\n Packet Counter (decimal) : "  <<  Counter | 
| 298 | 
        <<  "\n Id1 - Id2                : "  <<  tmpId1 <<  " - " <<  tmpId2 | 
| 299 | 
        <<  "\n Orbital Time (decimal)   : "  <<  OrbitalTime | 
| 300 | 
        <<  "\n Lenght                   : "  <<  tmpLength | 
| 301 | 
        <<  "\n CRC                      : "  <<  tmpCRC | 
| 302 | 
        <<  "\n Header Start Position    : "  <<  tmpStart; | 
| 303 | 
    logger->info(oss.str().c_str()); | 
| 304 | 
*/ | 
| 305 | 
} | 
| 306 | 
 | 
| 307 | 
/** | 
| 308 | 
 * Unpack the trailer of a PSCU event into the structure. | 
| 309 | 
 */ | 
| 310 | 
void EventReader::UnpackPscuTrailer(void) throw (std::exception) { | 
| 311 | 
 | 
| 312 | 
} | 
| 313 | 
 | 
| 314 | 
/** | 
| 315 | 
 * Find the next starting poin for the PSCU event looking for a {0xFA, 0xFE, 0xDE} sequence | 
| 316 | 
 */ | 
| 317 | 
bool EventReader::FindStart(void) throw (std::exception) { | 
| 318 | 
//search an hexadecimal sequence in a file | 
| 319 | 
//subSign    ------> pointer to the sequence buffer | 
| 320 | 
//subSignDim ------> dimension of the buffer | 
| 321 | 
// at exit | 
| 322 | 
// return true if founds a match (else false) | 
| 323 | 
// subF point rigth after the match, if found. Else EOF. | 
| 324 | 
//Maurizio 15/11/2002----------------------- | 
| 325 | 
  const int subSignDim = 3; | 
| 326 | 
  const unsigned char subSign[subSignDim]={0xFA, 0xFE, 0xDE}; | 
| 327 | 
//------------------------------------------ | 
| 328 | 
  int subIndex = 0; | 
| 329 | 
  char dataByte; | 
| 330 | 
 | 
| 331 | 
  int  buffSize = 100; | 
| 332 | 
  int  index = 0; | 
| 333 | 
  int  loop = -1; | 
| 334 | 
  char buffer[buffSize]; | 
| 335 | 
 | 
| 336 | 
  while (!InputFile->eof()) { | 
| 337 | 
    InputFile->read(buffer, sizeof(buffer)); | 
| 338 | 
    index = 0; | 
| 339 | 
    loop++; | 
| 340 | 
    while (index < buffSize){ | 
| 341 | 
        dataByte = buffer[index++]; | 
| 342 | 
        if (dataByte == (char)(*(subSign+subIndex))){ | 
| 343 | 
            if (subIndex++ == (subSignDim-1)) { | 
| 344 | 
                InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur); | 
| 345 | 
                return true; | 
| 346 | 
            }  | 
| 347 | 
        } else { | 
| 348 | 
            index = index - (subIndex); | 
| 349 | 
            subIndex = 0; | 
| 350 | 
        } | 
| 351 | 
    } | 
| 352 | 
    //Needs to guarantee the overap of the buffer(s) in several loop | 
| 353 | 
    InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur); | 
| 354 | 
  } | 
| 355 | 
  return false; | 
| 356 | 
}  | 
| 357 | 
 | 
| 358 | 
ClassImp(EventReader) |