yoda/techmodel/EventReader.cpp

/** @file
 * $Author: kusanagi $
 * $Date: 2006/02/07 17:11:09 $
 * $Revision: 6.0 $
 * 
 * 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::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::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::AcAlarm,         new AcAlarmReader));
  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::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 6.0 2006/02/07 17:11:09 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());
      InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 15) , 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();
}

/**
 * Unpack the PSCU header from a file into the structure.
 */
void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException, BackwardCounterException) {
  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;
} 

ClassImp(EventReader)
1	kusanagi	1.1	/** @file
2	kusanagi	6.0	* $Author: kusanagi $
3	kusanagi	6.1	* $Date: 2006/02/07 17:11:09 $
4			* $Revision: 6.0 $
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			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1, new CalibTrk1Reader));
42			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2, new CalibTrk2Reader));
43			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof, new CalibTofReader));
44			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4, new CalibS4Reader));
45			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed, new CalibCalPedReader));
46	kusanagi	2.6	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac1, new Calib1_Ac1Reader));
47			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac1, new Calib2_Ac1Reader));
48			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac2, new Calib1_Ac2Reader));
49			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2, new Calib2_Ac2Reader));
50	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader, new RunHeaderReader));
51			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer, new RunTrailerReader));
52			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader, new CalibHeaderReader));
53			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer, new CalibTrailerReader));
54			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader, new InitHeaderReader));
55			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer, new InitTrailerReader));
56	kusanagi	6.1	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk, new EventTrkReader));
57	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log, new LogReader));
58			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump, new VarDumpReader));
59			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump, new ArrDumpReader));
60			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump, new TabDumpReader));
61			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc, new TmtcReader));
62			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd, new McmdReader));
63			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd, new ForcedFECmdReader));
64	kusanagi	2.6	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init, new Ac1InitReader));
65	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit, new CalInitReader));
66			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit, new TrkInitReader));
67			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit, new TofInitReader));
68			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit, new TrgInitReader));
69			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit, new NdInitReader));
70			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init, new S4InitReader));
71	kusanagi	2.6	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init, new Ac2InitReader));
72	kusanagi	2.5	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm, new CalAlarmReader));
73			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm, new AcAlarmReader));
74			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm, new TrkAlarmReader));
75			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm, new TrgAlarmReader));
76			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm, new TofAlarmReader));
77			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Alarm, new S4AlarmReader));
78	kusanagi	2.11	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbT, new TsbTReader));
79			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbB, new TsbBReader));
80	kusanagi	1.1	}
81
82			/**
83			* Get a string with the version info of the algorithm.
84			*/
85			std::string EventReader::GetVersionInfo(void) const {
86			return
87	kusanagi	6.1	"$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 6.0 2006/02/07 17:11:09 kusanagi Exp $\n";
88	kusanagi	1.1	}
89
90			/**
91			* Initialize the algorithm with a special run. This will initialize the
92			* event reader routines for all packet types.
93			*/
94			void EventReader::Init(PamelaRun *run) {
95			SetInputStream(run);
96
97			//Create the structure of directories and create xxx.Header.root files
98			run->WriteHeaders(this, &Header);
99
100			//Create the xxx.root in it's specific directory
101			for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();
102			i != TechmodelAlgorithmMap.end(); i++) {
103	kusanagi	2.4	oss.str("");
104	kusanagi	1.10	oss << "Initializing algo " << i->second->GetAlgorithmName();
105			logger->debug(oss.str().c_str());
106	kusanagi	1.1	i->second->Init(run);
107			}
108			Run = dynamic_cast<TechmodelPamelaRun*>(run);
109			}
110
111			static void SkipToNextHeader(ifstream *);
112
113			/**
114			* Read the next event header, call the reader algorithms that
115			* correspond to its packet type, and read the event trailer.
116			*/
117			void EventReader::RunEvent(int EventNumber) {
118	kusanagi	1.10	stringstream oss;
119			int step = 0;
120	kusanagi	2.5	const PacketType* type;
121	kusanagi	1.10	while (!InputFile->eof() && ((step++ < maxPackets) \|\| (maxPackets == 0))){
122	kusanagi	1.1	try {
123			if (FindStart()) {
124	kusanagi	2.4	UnpackPscuHeader();
125	kusanagi	2.5	type = Header->GetPscuHeader()->GetPacketType();
126	kusanagi	1.1	AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);
127			if (i != TechmodelAlgorithmMap.end()) {
128	kusanagi	2.5	TechmodelAlgorithm *EventAlgorithm(i->second);
129	kusanagi	1.1	EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
130			Run->FillTrees(type);
131			Header->GetCounter()->Increment(type);
132	kusanagi	2.4	logger->info(Header->GetPscuHeader()->Print());
133	kusanagi	1.1	} else {
134	kusanagi	2.8	oss.str("");
135			oss << "\n No way to read events of type " << type->GetName().c_str() << Header->GetPscuHeader()->Print();
136			throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger!
137	kusanagi	2.3	}
138			}
139	kusanagi	2.4	// In case of exception have to save the packet in a specific root file??
140			} catch (NotExistingAlgorithmException exc) {
141	kusanagi	2.5	oss.str("");
142			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
143			logger->error(oss.str().c_str());
144	kusanagi	2.4	} catch (WrongCRCHeaderException exc) {
145	kusanagi	2.5	oss.str("");
146	kusanagi	2.8	oss << exc.print();
147	kusanagi	2.5	logger->error(oss.str().c_str());
148	kusanagi	2.4	} catch (WrongCRCException exc) {
149	kusanagi	2.5	oss.str("");
150			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
151			logger->error(oss.str().c_str());
152	kusanagi	4.5	InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 15) , std::ios::cur);
153	kusanagi	2.4	} catch (UnidentifiedPacketException exc) {
154	kusanagi	2.5	oss.str("");
155			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
156			logger->error(oss.str().c_str());
157	kusanagi	2.4	} catch (NotExistingCounterException 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 (LengthException exc) {
162	kusanagi	2.5	oss.str("");
163			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
164			logger->error(oss.str().c_str());
165	kusanagi	4.5	} catch (BackwardCounterException exc) {
166			oss.str("");
167			oss << exc.print() << " " << Header->GetPscuHeader()->Print();
168			logger->error(oss.str().c_str());
169	kusanagi	1.1	} catch (...) {
170	kusanagi	2.4	logger->error("Couldn't read the event. Skipping to the next header. \n");
171	kusanagi	1.1	}
172	kusanagi	2.1	if ((step%1000) == 0) std::cout << step/1000 << "K \n";
173	kusanagi	2.10	oss.str("");
174			oss << "----endPck " << Header->GetPscuHeader()->GetCounter() << "\n";
175			logger->info(oss.str().c_str());
176	kusanagi	1.1	}
177	kusanagi	1.10	Header->GetCounter()->PrintCounters();
178	kusanagi	1.1	}
179
180			/**
181			* Unpack the PSCU header from a file into the structure.
182			*/
183	kusanagi	4.5	void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException, BackwardCounterException) {
184	kusanagi	1.10	stringstream oss;
185	kusanagi	4.5	int response = 0;
186	kusanagi	1.1	char buff[16];
187			InputFile->read(buff, sizeof(buff));
188
189
190			unsigned char PacketId1 = buff[3];
191			unsigned char PacketId2 = buff[4];
192			unsigned int Counter = (((UINT32)buff[5]<<16)&0x00FF0000) + (((UINT32)buff[6]<<8)&0x0000FF00) + (((UINT32)buff[7])&0x000000FF);
193			unsigned int OrbitalTime = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) + (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);
194			unsigned int PacketLenght = (((UINT32)buff[12]<<16)&0x00FF0000) + (((UINT32)buff[13]<<8)&0x0000FF00) + (((UINT32)buff[14])&0x000000FF);
195			unsigned char CRC = buff[15];
196	kusanagi	1.9	unsigned char FileOffset = buff[15];
197	kusanagi	1.1
198	kusanagi	4.5
199	kusanagi	1.1	if (Counter < prevPckCounter){
200	kusanagi	4.5	response = prevPckCounter - Counter;
201			//oss.str("");
202			//oss << "Packet counter is less than before of " << (prevPckCounter - Counter);
203			//throw BackwardCounterException(oss.str().c_str());
204			//logger->error(oss.str().c_str());
205	kusanagi	2.10	}
206
207			if (Counter > prevPckCounter + 1){
208			oss.str("");
209			oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
210			logger->error(oss.str().c_str());
211	kusanagi	1.1	}
212	kusanagi	3.1
213			if ((OrbitalTime == prevPckOBT) & (PacketId1 == 0x10)){
214			oss.str("");
215			oss << "Onboard Time of this packet is equal to the previous packet OBT";
216			logger->error(oss.str().c_str());
217			logger->error(Header->GetPscuHeader()->Print());
218			}
219	kusanagi	1.1
220			if (OrbitalTime < prevPckOBT){
221	kusanagi	2.4	oss.str("");
222			oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
223	kusanagi	2.10	logger->error(oss.str().c_str());
224	kusanagi	1.1	}
225
226	kusanagi	1.7	if (((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]) && (PacketId1 == PacketId2)){
227			prevPckCounter = Counter;
228			prevPckOBT = OrbitalTime;
229	kusanagi	1.1	long int initPos = InputFile->tellg();
230			long int finalPos;
231			Header->GetPscuHeader()->SetPacketId(PacketId1, PacketId2);
232			Header->GetPscuHeader()->SetCounter(Counter);
233			Header->GetPscuHeader()->SetOrbitalTime(OrbitalTime);
234			//PacketLength is the length of the whole DATApacket starting from the first byte after the header
235			//plus the CRC legth (which varies for each type of packet)
236			Header->GetPscuHeader()->SetPacketLenght(PacketLenght);
237			Header->GetPscuHeader()->SetCRC(CRC);
238	kusanagi	1.9	Header->GetPscuHeader()->SetFileOffset(((long int)(InputFile->tellg()) - 16));
239	kusanagi	1.1	} else {
240	kusanagi	2.8	/Here i should extract the block of Data for later analysis /
241	kusanagi	1.8	InputFile->seekg(-(13), std::ios::cur);
242	kusanagi	2.8	oss.str("");
243			oss << "CRC Header Error on packet:" << PscuHeader::Print(buff);
244			throw WrongCRCHeaderException(oss.str().c_str());
245	kusanagi	1.1	}
246	kusanagi	2.4
247	kusanagi	4.5	if (response > 0){
248			oss.str("");
249			oss << "Packet counter is less than before of " << response;
250			throw BackwardCounterException(oss.str().c_str());
251			}
252	kusanagi	1.1	}
253
254			/**
255			* Unpack the trailer of a PSCU event into the structure.
256			*/
257			void EventReader::UnpackPscuTrailer(void) throw (std::exception) {
258
259			}
260
261			/**
262			* Find the next starting poin for the PSCU event looking for a {0xFA, 0xFE, 0xDE} sequence
263			*/
264	kusanagi	2.7	bool EventReader::FindStart(void) throw (std::exception) {
265	kusanagi	1.1	//search an hexadecimal sequence in a file
266			//subSign ------> pointer to the sequence buffer
267			//subSignDim ------> dimension of the buffer
268			// at exit
269			// return true if founds a match (else false)
270			// subF point rigth after the match, if found. Else EOF.
271			//Maurizio 15/11/2002-----------------------
272	kusanagi	2.4	const int subSignDim = 3;
273			const unsigned char subSign[subSignDim]={0xFA, 0xFE, 0xDE};
274	kusanagi	1.1	//------------------------------------------
275			int subIndex = 0;
276			char dataByte;
277	kusanagi	4.1
278			int buffSize = 64;
279	kusanagi	1.10	int index = 0;
280	kusanagi	2.4	int loop = -1;
281	kusanagi	1.10	char buffer[buffSize];
282	kusanagi	4.1	bool flagOverPad = false;
283	kusanagi	1.10
284			while (!InputFile->eof()) {
285			InputFile->read(buffer, sizeof(buffer));
286			index = 0;
287	kusanagi	2.4	loop++;
288	kusanagi	1.10	while (index < buffSize){
289			dataByte = buffer[index++];
290			if (dataByte == (char)(*(subSign+subIndex))){
291			if (subIndex++ == (subSignDim-1)) {
292	kusanagi	2.4	InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);
293	kusanagi	4.1	if (flagOverPad){
294			oss.str("");
295			oss << "\n This packet beginning is farther than 64 byte from the end of the previous."
296	kusanagi	4.2	<< "\n Below the is the last already unpacked packet";
297	kusanagi	4.1	logger->error(oss.str().c_str());
298			logger->error(Header->GetPscuHeader()->Print());
299			}
300	kusanagi	2.7	return true;
301	kusanagi	2.4	}
302	kusanagi	1.10	} else {
303	kusanagi	2.4	index = index - (subIndex);
304	kusanagi	1.10	subIndex = 0;
305			}
306			}
307	kusanagi	2.4	//Needs to guarantee the overap of the buffer(s) in several loop
308	kusanagi	4.1	flagOverPad = true;
309	kusanagi	2.4	InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);
310	kusanagi	2.7	}
311			return false;
312	kusanagi	1.1	}
313
314			ClassImp(EventReader)