yoda/techmodel/EventReader.cpp

/** @file
 * $Author: kusanagi $
 * $Date: 2006/04/25 16:51:03 $
 * $Revision: 6.3 $
 * 
 * Implementation of the functions of a sample Algorithm class.
 * This file can be used as a templace to develop your own algorithm.
 */

#include <log4cxx/logger.h>
#include "EventReader.h"
#include "ReaderAlgorithms.h"

extern "C" {
    #include "CRC.h"
}

using namespace pamela;
using namespace pamela::techmodel;

static log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger(_T("pamela.techmodel.EventReader"));

unsigned int EventReader::maxPackets     = 0;
unsigned int EventReader::prevPckCounter = 0;
unsigned int EventReader::prevPckOBT     = 0;


/**
 * Constructor. 
 */
EventReader::EventReader(int packetsLimit = -1): 
  TechmodelAlgorithm(0, "TechmodelEventReader"){ 
  EventReader::maxPackets = packetsLimit;
  logger->debug(_T("Constructor"));
  Header = new EventHeader();

  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun,      new PhysEndRunReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1,  new CalibCalPulse1Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2,  new CalibCalPulse2Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,         new PhysicsReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrkBoth,    new CalibTrkBothReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,     new CalibCalPedReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac1,      new Calib1_Ac1Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac1,      new Calib2_Ac1Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac2,      new Calib1_Ac2Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2,      new Calib2_Ac2Reader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2,      new CalibCalReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer,    new CalibTrailerReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader,      new InitHeaderReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk,        new EventTrkReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init,         new Ac1InitReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit,          new NdInitReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init,          new S4InitReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init,         new Ac2InitReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Alarm,        new Ac1AlarmReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Alarm,         new S4AlarmReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Alarm,        new Ac2AlarmReader));  
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbT,            new TsbTReader));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbB,            new TsbBReader));
}

/**
 * Get a string with the version info of the algorithm.
 */
std::string EventReader::GetVersionInfo(void) const {
  return 
    "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 6.3 2006/04/25 16:51:03 kusanagi Exp $\n";
}

/**
 * Initialize the algorithm with a special run. This will initialize the
 * event reader routines for all packet types.
 */
void EventReader::Init(PamelaRun *run) {
    SetInputStream(run);
    //Create the structure of directories and create xxx.Header.root files
    run->WriteHeaders(this, &Header); 

    //Create the xxx.root in it's specific directory
    for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin(); 
       i != TechmodelAlgorithmMap.end(); i++) {
       oss.str("");
       oss << "Initializing algo " << i->second->GetAlgorithmName();
       logger->debug(oss.str().c_str());
       i->second->Init(run);
    }
    Run = dynamic_cast<TechmodelPamelaRun*>(run);
}

static void SkipToNextHeader(ifstream *);

/**
 * Read the next event header, call the reader algorithms that
 * correspond to its packet type, and read the event trailer.
 */
void EventReader::RunEvent(int EventNumber) {
  stringstream oss;
  int step = 0;
  const PacketType* type;
  while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){
    try {
      if (FindStart()) {
            UnpackPscuHeader();
            type = Header->GetPscuHeader()->GetPacketType();
            AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type); 
            if (i != TechmodelAlgorithmMap.end()) {
                TechmodelAlgorithm *EventAlgorithm(i->second);
                EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
                Run->FillTrees(type);
                Header->GetCounter()->Increment(type);
                logger->info(Header->GetPscuHeader()->Print());
            } else {
                oss.str("");
                oss << "\n No way to read events of type  " << type->GetName().c_str() << Header->GetPscuHeader()->Print();
                throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger!
            }
      }
    // In case of exception have to save the packet in a specific root file??
    } catch (NotExistingAlgorithmException exc) {
      oss.str("");
      oss << exc.print() << " " << Header->GetPscuHeader()->Print();
      logger->error(oss.str().c_str());
    } catch (WrongCRCHeaderException exc) {
      oss.str("");
      oss << exc.print();
      logger->error(oss.str().c_str());
    } catch (WrongCRCException exc) {
      oss.str("");
      oss << exc.print() << " " << Header->GetPscuHeader()->Print();
      logger->error(oss.str().c_str());
      //archiveCorruptedPacket(Header->GetPscuHeader()->FileOffset, Header->GetPscuHeader()->PacketLenght);
      //InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 14) , std::ios::cur);
      
    } catch (UnidentifiedPacketException exc) {
      oss.str("");
      oss << exc.print() << " " << Header->GetPscuHeader()->Print();
      logger->error(oss.str().c_str());
    } catch (NotExistingCounterException exc) {
      oss.str("");
      oss << exc.print() << " " << Header->GetPscuHeader()->Print();
      logger->error(oss.str().c_str());
    } catch (LengthException exc) {
      oss.str("");
      oss << exc.print() << " " << Header->GetPscuHeader()->Print();
      logger->error(oss.str().c_str());
    } catch (BackwardCounterException exc) {
      oss.str("");
      oss << exc.print() << " " << Header->GetPscuHeader()->Print();
      logger->error(oss.str().c_str());
    } catch (...) {
      logger->error("Couldn't read the event. Skipping to the next header. \n");
    }
    if ((step%1000) == 0) std::cout << step/1000 << "K \n";
    oss.str("");
    oss << "----endPck " << Header->GetPscuHeader()->GetCounter() << "\n";
    logger->info(oss.str().c_str());
  }
    Header->GetCounter()->PrintCounters();
    //if (corruptedPacketFile.is_open()) corruptedPacketFile.close();
}

/**
 * Unpack the PSCU header from a file into the structure.
 */
void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException) {
  stringstream oss;
  int response = 0;
  char buff[16];
  InputFile->read(buff, sizeof(buff));
  
  
  unsigned char PacketId1    = buff[3];
  unsigned char PacketId2    = buff[4];
  unsigned int  Counter      = (((UINT32)buff[5]<<16)&0x00FF0000) + (((UINT32)buff[6]<<8)&0x0000FF00) + (((UINT32)buff[7])&0x000000FF);
  unsigned int  OrbitalTime  = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) +  (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);
  unsigned int  PacketLenght = (((UINT32)buff[12]<<16)&0x00FF0000) +  (((UINT32)buff[13]<<8)&0x0000FF00) + (((UINT32)buff[14])&0x000000FF);
  unsigned char CRC          = buff[15];
  unsigned char FileOffset   = buff[15];


  if (Counter < prevPckCounter){
    response = prevPckCounter - Counter;
    //oss.str("");
    //oss << "Packet counter is less than before of " << (prevPckCounter - Counter);
    //throw BackwardCounterException(oss.str().c_str());
    //logger->error(oss.str().c_str());
  }

  if (Counter > prevPckCounter + 1){
    oss.str("");
    oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
    logger->error(oss.str().c_str());
  }
  
  if ((OrbitalTime == prevPckOBT) & (PacketId1 == 0x10)){
    oss.str("");
    oss << "Onboard Time of this packet is equal to the previous packet OBT";
    logger->error(oss.str().c_str());
    logger->error(Header->GetPscuHeader()->Print());
  }

  if (OrbitalTime < prevPckOBT){
    oss.str("");
    oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
    logger->error(oss.str().c_str());
  }

  if (((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]) && (PacketId1 == PacketId2)){
    prevPckCounter = Counter;
    prevPckOBT     = OrbitalTime;
    long int initPos = InputFile->tellg();
    long int finalPos;
    Header->GetPscuHeader()->SetPacketId(PacketId1, PacketId2);
    Header->GetPscuHeader()->SetCounter(Counter);
    Header->GetPscuHeader()->SetOrbitalTime(OrbitalTime);
    //PacketLength is the length of the whole DATApacket starting from the first byte after the header
    //plus the CRC legth (which varies for each type of packet)
    Header->GetPscuHeader()->SetPacketLenght(PacketLenght);
    Header->GetPscuHeader()->SetCRC(CRC);
    Header->GetPscuHeader()->SetFileOffset(((long int)(InputFile->tellg()) - 16));
  } else {
     /*Here i should extract the block of Data for later analysis */
    InputFile->seekg(-(13), std::ios::cur);
    oss.str("");
    oss << "CRC Header Error on packet:" << PscuHeader::Print(buff);
    throw WrongCRCHeaderException(oss.str().c_str());
  }

  if (response > 0){
    oss.str("");
    oss << "Packet counter is less than before of " << response;
    throw BackwardCounterException(oss.str().c_str());
  }
}

/**
 * Unpack the trailer of a PSCU event into the structure.
 */
void EventReader::UnpackPscuTrailer(void) throw (std::exception) {

}

/**
 * Find the next starting poin for the PSCU event looking for a {0xFA, 0xFE, 0xDE} sequence
 */
bool EventReader::FindStart(void) throw (std::exception) {
//search an hexadecimal sequence in a file
//subSign    ------> pointer to the sequence buffer
//subSignDim ------> dimension of the buffer
// at exit
// return true if founds a match (else false)
// subF point rigth after the match, if found. Else EOF.
//Maurizio 15/11/2002-----------------------
  const int subSignDim = 3;
  const unsigned char subSign[subSignDim]={0xFA, 0xFE, 0xDE};
//------------------------------------------
  int subIndex = 0;
  char dataByte;
 
  int  buffSize = 64;
  int  index = 0;
  int  loop = -1;
  char buffer[buffSize];
  bool flagOverPad = false;

  while (!InputFile->eof()) {
    InputFile->read(buffer, sizeof(buffer));
    index = 0;
    loop++;
    while (index < buffSize){
        dataByte = buffer[index++];
        if (dataByte == (char)(*(subSign+subIndex))){
            if (subIndex++ == (subSignDim-1)) {
                InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);
                if (flagOverPad){
                    oss.str("");
                    oss << "\n This packet beginning is farther than 64 byte from the end of the previous."
                        << "\n Below the is the last already unpacked packet";
                    logger->error(oss.str().c_str());
                    logger->error(Header->GetPscuHeader()->Print());
                }
                return true;
            } 
        } else {
            index = index - (subIndex);
            subIndex = 0;
        }
    }
    //Needs to guarantee the overap of the buffer(s) in several loop
    flagOverPad = true;
    InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);
  }
  return false;
} 

/*
int EventReader::archiveCorruptedPacket(long int offset, long int length) {
        if (!corruptedPacketFile.is_open()) {
                oss.str("");
                oss << Run->GetUnpackPath().c_str() << "Corrupted.dat";
                cout << oss.str().c_str() << "\n";
                cout << dec << offset << "\n";
                cout << dec << length << "\n";
                corruptedPacketFile.open(oss.str().c_str(), ios::out);
        }
        char *buffer = new char[length];
        InputFile->seekg(offset, ios_base::beg );
        InputFile->read(buffer, length);
        corruptedPacketFile.write(buffer, length);
        InputFile->seekg(offset + 1, ios_base::beg );
}
*/
ClassImp(EventReader)
1	kusanagi	1.1	/** @file
2	kusanagi	6.0	* $Author: kusanagi $
3	kusanagi	6.4	* $Date: 2006/04/25 16:51:03 $
4			* $Revision: 6.3 $
5	kusanagi	1.1	*
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	kusanagi	1.10	#include <log4cxx/logger.h>
11	kusanagi	1.1	#include "EventReader.h"
12			#include "ReaderAlgorithms.h"
13	kusanagi	2.4
14	kusanagi	1.1	extern "C" {
15	kusanagi	2.4	#include "CRC.h"
16	kusanagi	1.1	}
17
18			using namespace pamela;
19			using namespace pamela::techmodel;
20
21	kusanagi	1.10	static log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger(_T("pamela.techmodel.EventReader"));
22
23			unsigned int EventReader::maxPackets = 0;
24	kusanagi	1.7	unsigned int EventReader::prevPckCounter = 0;
25			unsigned int EventReader::prevPckOBT = 0;
26	kusanagi	1.10
27
28	kusanagi	1.1	/**
29			* Constructor.
30			*/
31	kusanagi	1.10	EventReader::EventReader(int packetsLimit = -1):
32			TechmodelAlgorithm(0, "TechmodelEventReader"){
33			EventReader::maxPackets = packetsLimit;
34			logger->debug(_T("Constructor"));
35	kusanagi	1.1	Header = new EventHeader();
36	kusanagi	1.5
37	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun, new PhysEndRunReader));
38			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1, new CalibCalPulse1Reader));
39			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2, new CalibCalPulse2Reader));
40			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics, new PhysicsReader));
41	kusanagi	6.4	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrkBoth, new CalibTrkBothReader));
42	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1, new CalibTrk1Reader));
43			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2, new CalibTrk2Reader));
44			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof, new CalibTofReader));
45			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4, new CalibS4Reader));
46			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed, new CalibCalPedReader));
47	kusanagi	2.6	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac1, new Calib1_Ac1Reader));
48			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac1, new Calib2_Ac1Reader));
49			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac2, new Calib1_Ac2Reader));
50			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2, new Calib2_Ac2Reader));
51	kusanagi	6.4	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2, new CalibCalReader));
52	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader, new RunHeaderReader));
53			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer, new RunTrailerReader));
54			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader, new CalibHeaderReader));
55			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer, new CalibTrailerReader));
56			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader, new InitHeaderReader));
57			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer, new InitTrailerReader));
58	kusanagi	6.1	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk, new EventTrkReader));
59	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log, new LogReader));
60			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump, new VarDumpReader));
61			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump, new ArrDumpReader));
62			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump, new TabDumpReader));
63			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc, new TmtcReader));
64			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd, new McmdReader));
65			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd, new ForcedFECmdReader));
66	kusanagi	2.6	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init, new Ac1InitReader));
67	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit, new CalInitReader));
68			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit, new TrkInitReader));
69			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit, new TofInitReader));
70			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit, new TrgInitReader));
71			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit, new NdInitReader));
72			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init, new S4InitReader));
73	kusanagi	2.6	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init, new Ac2InitReader));
74	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm, new CalAlarmReader));
75	kusanagi	6.4	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Alarm, new Ac1AlarmReader));
76	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm, new TrkAlarmReader));
77			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm, new TrgAlarmReader));
78			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm, new TofAlarmReader));
79			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Alarm, new S4AlarmReader));
80	kusanagi	6.4	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Alarm, new Ac2AlarmReader));
81	kusanagi	2.11	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbT, new TsbTReader));
82			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbB, new TsbBReader));
83	kusanagi	1.1	}
84
85			/**
86			* Get a string with the version info of the algorithm.
87			*/
88			std::string EventReader::GetVersionInfo(void) const {
89			return
90	kusanagi	6.4	"$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 6.3 2006/04/25 16:51:03 kusanagi Exp $\n";
91	kusanagi	1.1	}
92
93			/**
94			* Initialize the algorithm with a special run. This will initialize the
95			* event reader routines for all packet types.
96			*/
97			void EventReader::Init(PamelaRun *run) {
98			SetInputStream(run);
99			//Create the structure of directories and create xxx.Header.root files
100			run->WriteHeaders(this, &Header);
101
102			//Create the xxx.root in it's specific directory
103			for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();
104			i != TechmodelAlgorithmMap.end(); i++) {
105	kusanagi	2.4	oss.str("");
106	kusanagi	1.10	oss << "Initializing algo " << i->second->GetAlgorithmName();
107			logger->debug(oss.str().c_str());
108	kusanagi	1.1	i->second->Init(run);
109			}
110			Run = dynamic_cast<TechmodelPamelaRun*>(run);
111			}
112
113			static void SkipToNextHeader(ifstream *);
114
115			/**
116			* Read the next event header, call the reader algorithms that
117			* correspond to its packet type, and read the event trailer.
118			*/
119			void EventReader::RunEvent(int EventNumber) {
120	kusanagi	1.10	stringstream oss;
121			int step = 0;
122	kusanagi	2.5	const PacketType* type;
123	kusanagi	1.10	while (!InputFile->eof() && ((step++ < maxPackets) \|\| (maxPackets == 0))){
124	kusanagi	1.1	try {
125			if (FindStart()) {
126	kusanagi	2.4	UnpackPscuHeader();
127	kusanagi	2.5	type = Header->GetPscuHeader()->GetPacketType();
128	kusanagi	1.1	AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);
129			if (i != TechmodelAlgorithmMap.end()) {
130	kusanagi	2.5	TechmodelAlgorithm *EventAlgorithm(i->second);
131	kusanagi	1.1	EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
132			Run->FillTrees(type);
133			Header->GetCounter()->Increment(type);
134	kusanagi	2.4	logger->info(Header->GetPscuHeader()->Print());
135	kusanagi	1.1	} else {
136	kusanagi	2.8	oss.str("");
137			oss << "\n No way to read events of type " << type->GetName().c_str() << Header->GetPscuHeader()->Print();
138			throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger!
139	kusanagi	2.3	}
140			}
141	kusanagi	2.4	// In case of exception have to save the packet in a specific root file??
142			} catch (NotExistingAlgorithmException exc) {
143	kusanagi	2.5	oss.str("");
144			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
145			logger->error(oss.str().c_str());
146	kusanagi	2.4	} catch (WrongCRCHeaderException exc) {
147	kusanagi	2.5	oss.str("");
148	kusanagi	2.8	oss << exc.print();
149	kusanagi	2.5	logger->error(oss.str().c_str());
150	kusanagi	2.4	} catch (WrongCRCException exc) {
151	kusanagi	2.5	oss.str("");
152			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
153			logger->error(oss.str().c_str());
154	kusanagi	6.3	//archiveCorruptedPacket(Header->GetPscuHeader()->FileOffset, Header->GetPscuHeader()->PacketLenght);
155	kusanagi	6.2	//InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 14) , std::ios::cur);
156
157	kusanagi	2.4	} catch (UnidentifiedPacketException exc) {
158	kusanagi	2.5	oss.str("");
159			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
160			logger->error(oss.str().c_str());
161	kusanagi	2.4	} catch (NotExistingCounterException exc) {
162	kusanagi	2.5	oss.str("");
163			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
164			logger->error(oss.str().c_str());
165	kusanagi	2.4	} catch (LengthException exc) {
166	kusanagi	2.5	oss.str("");
167			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
168			logger->error(oss.str().c_str());
169	kusanagi	4.5	} catch (BackwardCounterException exc) {
170			oss.str("");
171			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
172			logger->error(oss.str().c_str());
173	kusanagi	1.1	} catch (...) {
174	kusanagi	2.4	logger->error("Couldn't read the event. Skipping to the next header. \n");
175	kusanagi	1.1	}
176	kusanagi	2.1	if ((step%1000) == 0) std::cout << step/1000 << "K \n";
177	kusanagi	2.10	oss.str("");
178			oss << "----endPck " << Header->GetPscuHeader()->GetCounter() << "\n";
179			logger->info(oss.str().c_str());
180	kusanagi	1.1	}
181	kusanagi	1.10	Header->GetCounter()->PrintCounters();
182	kusanagi	6.3	//if (corruptedPacketFile.is_open()) corruptedPacketFile.close();
183	kusanagi	1.1	}
184
185			/**
186			* Unpack the PSCU header from a file into the structure.
187			*/
188	kusanagi	6.3	void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException) {
189	kusanagi	1.10	stringstream oss;
190	kusanagi	4.5	int response = 0;
191	kusanagi	1.1	char buff[16];
192			InputFile->read(buff, sizeof(buff));
193
194
195			unsigned char PacketId1 = buff[3];
196			unsigned char PacketId2 = buff[4];
197			unsigned int Counter = (((UINT32)buff[5]<<16)&0x00FF0000) + (((UINT32)buff[6]<<8)&0x0000FF00) + (((UINT32)buff[7])&0x000000FF);
198			unsigned int OrbitalTime = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) + (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);
199			unsigned int PacketLenght = (((UINT32)buff[12]<<16)&0x00FF0000) + (((UINT32)buff[13]<<8)&0x0000FF00) + (((UINT32)buff[14])&0x000000FF);
200			unsigned char CRC = buff[15];
201	kusanagi	1.9	unsigned char FileOffset = buff[15];
202	kusanagi	1.1
203	kusanagi	4.5
204	kusanagi	1.1	if (Counter < prevPckCounter){
205	kusanagi	4.5	response = prevPckCounter - Counter;
206			//oss.str("");
207			//oss << "Packet counter is less than before of " << (prevPckCounter - Counter);
208			//throw BackwardCounterException(oss.str().c_str());
209			//logger->error(oss.str().c_str());
210	kusanagi	2.10	}
211
212			if (Counter > prevPckCounter + 1){
213			oss.str("");
214			oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
215			logger->error(oss.str().c_str());
216	kusanagi	1.1	}
217	kusanagi	3.1
218			if ((OrbitalTime == prevPckOBT) & (PacketId1 == 0x10)){
219			oss.str("");
220			oss << "Onboard Time of this packet is equal to the previous packet OBT";
221			logger->error(oss.str().c_str());
222			logger->error(Header->GetPscuHeader()->Print());
223			}
224	kusanagi	1.1
225			if (OrbitalTime < prevPckOBT){
226	kusanagi	2.4	oss.str("");
227			oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
228	kusanagi	2.10	logger->error(oss.str().c_str());
229	kusanagi	1.1	}
230
231	kusanagi	1.7	if (((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]) && (PacketId1 == PacketId2)){
232			prevPckCounter = Counter;
233			prevPckOBT = OrbitalTime;
234	kusanagi	1.1	long int initPos = InputFile->tellg();
235			long int finalPos;
236			Header->GetPscuHeader()->SetPacketId(PacketId1, PacketId2);
237			Header->GetPscuHeader()->SetCounter(Counter);
238			Header->GetPscuHeader()->SetOrbitalTime(OrbitalTime);
239			//PacketLength is the length of the whole DATApacket starting from the first byte after the header
240			//plus the CRC legth (which varies for each type of packet)
241			Header->GetPscuHeader()->SetPacketLenght(PacketLenght);
242			Header->GetPscuHeader()->SetCRC(CRC);
243	kusanagi	1.9	Header->GetPscuHeader()->SetFileOffset(((long int)(InputFile->tellg()) - 16));
244	kusanagi	1.1	} else {
245	kusanagi	2.8	/Here i should extract the block of Data for later analysis /
246	kusanagi	1.8	InputFile->seekg(-(13), std::ios::cur);
247	kusanagi	2.8	oss.str("");
248			oss << "CRC Header Error on packet:" << PscuHeader::Print(buff);
249			throw WrongCRCHeaderException(oss.str().c_str());
250	kusanagi	1.1	}
251	kusanagi	2.4
252	kusanagi	4.5	if (response > 0){
253			oss.str("");
254			oss << "Packet counter is less than before of " << response;
255			throw BackwardCounterException(oss.str().c_str());
256			}
257	kusanagi	1.1	}
258
259			/**
260			* Unpack the trailer of a PSCU event into the structure.
261			*/
262			void EventReader::UnpackPscuTrailer(void) throw (std::exception) {
263
264			}
265
266			/**
267			* Find the next starting poin for the PSCU event looking for a {0xFA, 0xFE, 0xDE} sequence
268			*/
269	kusanagi	2.7	bool EventReader::FindStart(void) throw (std::exception) {
270	kusanagi	1.1	//search an hexadecimal sequence in a file
271			//subSign ------> pointer to the sequence buffer
272			//subSignDim ------> dimension of the buffer
273			// at exit
274			// return true if founds a match (else false)
275			// subF point rigth after the match, if found. Else EOF.
276			//Maurizio 15/11/2002-----------------------
277	kusanagi	2.4	const int subSignDim = 3;
278			const unsigned char subSign[subSignDim]={0xFA, 0xFE, 0xDE};
279	kusanagi	1.1	//------------------------------------------
280			int subIndex = 0;
281			char dataByte;
282	kusanagi	4.1
283			int buffSize = 64;
284	kusanagi	1.10	int index = 0;
285	kusanagi	2.4	int loop = -1;
286	kusanagi	1.10	char buffer[buffSize];
287	kusanagi	4.1	bool flagOverPad = false;
288	kusanagi	1.10
289			while (!InputFile->eof()) {
290			InputFile->read(buffer, sizeof(buffer));
291			index = 0;
292	kusanagi	2.4	loop++;
293	kusanagi	1.10	while (index < buffSize){
294			dataByte = buffer[index++];
295			if (dataByte == (char)(*(subSign+subIndex))){
296			if (subIndex++ == (subSignDim-1)) {
297	kusanagi	2.4	InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);
298	kusanagi	4.1	if (flagOverPad){
299			oss.str("");
300			oss << "\n This packet beginning is farther than 64 byte from the end of the previous."
301	kusanagi	4.2	<< "\n Below the is the last already unpacked packet";
302	kusanagi	4.1	logger->error(oss.str().c_str());
303			logger->error(Header->GetPscuHeader()->Print());
304			}
305	kusanagi	2.7	return true;
306	kusanagi	2.4	}
307	kusanagi	1.10	} else {
308	kusanagi	2.4	index = index - (subIndex);
309	kusanagi	1.10	subIndex = 0;
310			}
311			}
312	kusanagi	2.4	//Needs to guarantee the overap of the buffer(s) in several loop
313	kusanagi	4.1	flagOverPad = true;
314	kusanagi	2.4	InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);
315	kusanagi	2.7	}
316			return false;
317	kusanagi	1.1	}
318
319	kusanagi	6.3	/*
320	kusanagi	6.2	int EventReader::archiveCorruptedPacket(long int offset, long int length) {
321			if (!corruptedPacketFile.is_open()) {
322			oss.str("");
323			oss << Run->GetUnpackPath().c_str() << "Corrupted.dat";
324			cout << oss.str().c_str() << "\n";
325			cout << dec << offset << "\n";
326			cout << dec << length << "\n";
327			corruptedPacketFile.open(oss.str().c_str(), ios::out);
328			}
329			char *buffer = new char[length];
330			InputFile->seekg(offset, ios_base::beg );
331			InputFile->read(buffer, length);
332			corruptedPacketFile.write(buffer, length);
333			InputFile->seekg(offset + 1, ios_base::beg );
334			}
335	kusanagi	6.3	*/
336	kusanagi	1.1	ClassImp(EventReader)