yoda/techmodel/EventReader.cpp

/** @file
 * $Author: kusanagi $
 * $Date: 2004/07/06 13:31:18 $
 * $Revision: 1.2 $
 * 
 * Implementation of the functions of a sample Algorithm class.
 * This file can be used as a templace to develop your own algorithm.
 */

#include <log4cpp/Category.hh>
#include <fstream>
#include "TechmodelAlgorithm.h"
#include "EventReader.h"
#include "ReaderAlgorithms.h"
#include "Exception.h"
#include "stdio.h"
extern "C" {
#include "CRC.h"
}

#define BYTE unsigned char

using namespace pamela;
using namespace pamela::techmodel;

static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.EventReader");
static unsigned int prevPckCounter = 0;
static unsigned int prevPckOBT     = 0;
/**
 * Constructor. 
 */
EventReader::EventReader(void): 
  TechmodelAlgorithm(0, "TechmodelEventReader") { 
  cat <<  log4cpp::Priority::DEBUG
      <<  "Constructor "
      <<  "\n " << log4cpp::CategoryStream::ENDLINE;
  Header = new EventHeader();
  /*
  
  
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Alarm,
                                                  new AlarmReader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Khb,
                                                  new KhbReader()));
 */
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,    new PhysicsReader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedPkt,  new ForcedPktReader())); 
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,  new RunHeaderReader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer, new RunTrailerReader()));
  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::CalibCal,   new CalibCalReader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,new CalibCalPedReader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCal,   new CalibAcReader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,  new CalibTrk1Reader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,  new CalibTrk2Reader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd,   new CalibTrdReader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,   new CalibTofReader()));
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,    new CalibS4Reader()));
  /*
  TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::HA_Header_E5,
                                                  new E5Reader()));
*/
}

/**
 * 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 1.2 2004/07/06 13:31:18 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++) {
       cat  <<  log4cpp::Priority::DEBUG 
            <<  " Initializing algo " << i->second->GetAlgorithmName()
            <<  "\n " << log4cpp::CategoryStream::ENDLINE;
       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.
 */

// 15 June 2004 ---note------------------
// A nice refacoring would require to not read again the packet data (which is
// read in the UnpackPscuHeader() and put directly in the
// EventAlgorithm->RunEvent(....) directly the data inside the packet.... will see later....
// 15 June 2004 ---note------------------
void EventReader::RunEvent(int EventNumber) {
  
  cat <<  log4cpp::Priority::ERROR <<  "Start Unpacking........"
      <<  "\n " << log4cpp::CategoryStream::ENDLINE;
  //for now i'll suppose that the raw file starts immediately with the right bytes
  //to insert a GetPacketStart()
  while (!InputFile->eof()){
    try {
      if (FindStart()) {
        if(UnpackPscuHeader()){
            const PacketType* 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);
            } else {
            cat <<  log4cpp::Priority::ERROR 
                <<  "No way to read events of type" << type->GetName()
                <<  "\n " << log4cpp::CategoryStream::ENDLINE;
            throw Exception("No way to read events of type " + type->GetName());
        }
      } //else {
        //**TO BE DONE**   <<WRONG CRC l --- LOST PACKET>>//
        //Have to be defined a "WrongCRC" packet::Type?
        //}
     } 
    } catch (...) {
      //This have to be more detailed. More exceptions type are needed.
      cat <<  log4cpp::Priority::ERROR <<  "Couldn't read the event. Skipping to the next header."
          <<  "\n " << log4cpp::CategoryStream::ENDLINE;
    }
  }
  Header->GetCounter()->PrintCounters();
}

static void SkipToNextHeader(ifstream* TechmodelFile) {
  //  yeah.
}


/**
 * Unpack the PSCU header from a file into the structure.
 */
int EventReader::UnpackPscuHeader(void) throw (std::exception) {
  int response;
  char buff[16];
  InputFile->read(buff, sizeof(buff));
  
  prevPckCounter = 0;
  prevPckOBT     = 0;
  
  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];

  if (Counter < prevPckCounter){
    cat <<  log4cpp::Priority::ERROR
        <<  " Packet counter is less than before of " << (prevPckCounter - Counter)
        <<  "\n " << log4cpp::CategoryStream::ENDLINE;
  }

  if (OrbitalTime < prevPckOBT){
      cat <<  log4cpp::Priority::WARN
          <<  " Orbital Time is less than before of " << (prevPckOBT - OrbitalTime)
          <<  "\n " << log4cpp::CategoryStream::ENDLINE;
  }

 
  if ((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]){
    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);
    
    //commented out because of the above test code
    InputFile->seekg(Header->GetPscuHeader()->GetPacketLenght(), std::ios::cur);
    FindStart();
    finalPos =  (long int)InputFile->tellg() - (1 + initPos + (long int)(Header->GetPscuHeader()->GetPacketLenght()));
        if(finalPos == 0){
            cat <<  log4cpp::Priority::INFO <<  " Correct packet length \n" 
                <<  "\n " << log4cpp::CategoryStream::ENDLINE;
            } 
        if (finalPos > 0 && finalPos < 64) {
            cat <<  log4cpp::Priority::WARN
                <<  " Correct packet length: Padded of " << finalPos << " bytes \n"
                <<  "\n " << log4cpp::CategoryStream::ENDLINE;
        } 
        if (finalPos > 64){
            cat <<  log4cpp::Priority::ERROR <<  " Wrong packet length? (because of wrong padding?) \n"
                <<  "\n " << log4cpp::CategoryStream::ENDLINE;
        }
        InputFile->seekg(initPos, std::ios::beg);
        response =  true;
  } else {
    cat <<  log4cpp::Priority::ERROR <<  " WRONG CRC FOR HEADER "
        <<  "\n " << log4cpp::CategoryStream::ENDLINE;
    response =  false; 
  }

    char tmpId1[4];
    char tmpId2[4];
    char tmpLength[12];
    char tmpStart[100];
    char tmpCRC[4];
    sprintf(tmpId1, "%02X", PacketId1);
    sprintf(tmpId2, "%02X", PacketId2);
    sprintf(tmpLength, "%06X", PacketLenght);
    sprintf(tmpStart, "%X", ((long int)(InputFile->tellg()) - 16));
    sprintf(tmpCRC, "%02X", CRC);
    cat <<  log4cpp::Priority::INFO  
        <<  "\n Packet Counter (decimal) : "  <<  Counter
        <<  "\n Id1 - Id2                : "  <<  tmpId1 <<  " - " <<  tmpId2
        <<  "\n Orbital Time (decimal)   : "  <<  OrbitalTime
        <<  "\n Lenght                   : "  <<  tmpLength
        <<  "\n CRC                      : "  <<  tmpCRC
        <<  "\n Header Start Position    : "  <<  tmpStart
        <<  "\n " << log4cpp::CategoryStream::ENDLINE;
  return response;
}

/**
 * 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
 */
int 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 unsigned char subSign[3]={0xFA, 0xFE, 0xDE};
  int subSignDim = 3;
//------------------------------------------
  int subIndex = 0;
  char dataByte;
  /*InputFile->read(fileByte, 1); 
    if ( *fileByte ==  *(subSign+subIndex)){
       if (subIndex++ == (subSignDim-1)) {
        InputFile->seekg(-(subIndex), std::ios::cur);
        return 1;
      }
      }*/
  while (!InputFile->eof()) {
    InputFile->get(dataByte);
    if (dataByte == (char)(*(subSign+subIndex))){
      if (subIndex++ == (subSignDim-1)) {
         InputFile->seekg(-(subIndex), std::ios::cur);
        return 1;
       }
    } else {
      if (InputFile->eof()) {
        throw Exception("Extra bytes over the last packets");
      } else {
        return 0;
      }
      //InputFile->seekg(-(subIndex+1), std::ios::cur);
      //subIndex = 0;
    } 
  }
  return 0;
} 

ClassImp(EventReader)
1	kusanagi	1.1	/** @file
2	kusanagi	1.2	* $Author: kusanagi $
3	kusanagi	1.3	* $Date: 2004/07/06 13:31:18 $
4			* $Revision: 1.2 $
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			#include <log4cpp/Category.hh>
11			#include <fstream>
12			#include "TechmodelAlgorithm.h"
13			#include "EventReader.h"
14			#include "ReaderAlgorithms.h"
15			#include "Exception.h"
16			#include "stdio.h"
17			extern "C" {
18			#include "CRC.h"
19			}
20
21			#define BYTE unsigned char
22
23			using namespace pamela;
24			using namespace pamela::techmodel;
25
26			static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.EventReader");
27			static unsigned int prevPckCounter = 0;
28			static unsigned int prevPckOBT = 0;
29			/**
30			* Constructor.
31			*/
32			EventReader::EventReader(void):
33			TechmodelAlgorithm(0, "TechmodelEventReader") {
34			cat << log4cpp::Priority::DEBUG
35			<< "Constructor "
36			<< "\n " << log4cpp::CategoryStream::ENDLINE;
37			Header = new EventHeader();
38			/*
39
40
41			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Alarm,
42			new AlarmReader()));
43			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Khb,
44			new KhbReader()));
45			*/
46			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics, new PhysicsReader()));
47			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedPkt, new ForcedPktReader()));
48			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader, new RunHeaderReader()));
49			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer, new RunTrailerReader()));
50	kusanagi	1.3	TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log, new LogReader()));
51			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump, new VarDumpReader()));
52			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump, new ArrDumpReader()));
53			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump, new TabDumpReader()));
54			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc, new TmtcReader()));
55			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd, new McmdReader()));
56			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCal, new CalibCalReader()));
57			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,new CalibCalPedReader()));
58			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCal, new CalibAcReader()));
59			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1, new CalibTrk1Reader()));
60			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2, new CalibTrk2Reader()));
61			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd, new CalibTrdReader()));
62			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof, new CalibTofReader()));
63			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4, new CalibS4Reader()));
64	kusanagi	1.1	/*
65			TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::HA_Header_E5,
66			new E5Reader()));
67			*/
68			}
69
70			/**
71			* Get a string with the version info of the algorithm.
72			*/
73			std::string EventReader::GetVersionInfo(void) const {
74			return
75	kusanagi	1.3	"$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 1.2 2004/07/06 13:31:18 kusanagi Exp $\n";
76	kusanagi	1.1	}
77
78			/**
79			* Initialize the algorithm with a special run. This will initialize the
80			* event reader routines for all packet types.
81			*/
82			void EventReader::Init(PamelaRun *run) {
83			SetInputStream(run);
84
85			//Create the structure of directories and create xxx.Header.root files
86			run->WriteHeaders(this, &Header);
87
88			//Create the xxx.root in it's specific directory
89			for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();
90			i != TechmodelAlgorithmMap.end(); i++) {
91			cat << log4cpp::Priority::DEBUG
92			<< " Initializing algo " << i->second->GetAlgorithmName()
93			<< "\n " << log4cpp::CategoryStream::ENDLINE;
94			i->second->Init(run);
95			}
96			Run = dynamic_cast<TechmodelPamelaRun*>(run);
97			}
98
99			static void SkipToNextHeader(ifstream *);
100
101			/**
102			* Read the next event header, call the reader algorithms that
103			* correspond to its packet type, and read the event trailer.
104			*/
105
106			// 15 June 2004 ---note------------------
107			// A nice refacoring would require to not read again the packet data (which is
108			// read in the UnpackPscuHeader() and put directly in the
109			// EventAlgorithm->RunEvent(....) directly the data inside the packet.... will see later....
110			// 15 June 2004 ---note------------------
111			void EventReader::RunEvent(int EventNumber) {
112
113			cat << log4cpp::Priority::ERROR << "Start Unpacking........"
114			<< "\n " << log4cpp::CategoryStream::ENDLINE;
115			//for now i'll suppose that the raw file starts immediately with the right bytes
116			//to insert a GetPacketStart()
117			while (!InputFile->eof()){
118			try {
119			if (FindStart()) {
120			if(UnpackPscuHeader()){
121			const PacketType* type = Header->GetPscuHeader()->GetPacketType();
122			AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);
123			if (i != TechmodelAlgorithmMap.end()) {
124			TechmodelAlgorithm *EventAlgorithm = i->second;
125			EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
126			Run->FillTrees(type);
127			Header->GetCounter()->Increment(type);
128			} else {
129			cat << log4cpp::Priority::ERROR
130			<< "No way to read events of type" << type->GetName()
131			<< "\n " << log4cpp::CategoryStream::ENDLINE;
132			throw Exception("No way to read events of type " + type->GetName());
133			}
134			} //else {
135			//TO BE DONE <<WRONG CRC l --- LOST PACKET>>//
136			//Have to be defined a "WrongCRC" packet::Type?
137			//}
138			}
139			} catch (...) {
140			//This have to be more detailed. More exceptions type are needed.
141			cat << log4cpp::Priority::ERROR << "Couldn't read the event. Skipping to the next header."
142			<< "\n " << log4cpp::CategoryStream::ENDLINE;
143			}
144			}
145			Header->GetCounter()->PrintCounters();
146			}
147
148			static void SkipToNextHeader(ifstream* TechmodelFile) {
149			// yeah.
150			}
151
152
153
154			/**
155			* Unpack the PSCU header from a file into the structure.
156			*/
157			int EventReader::UnpackPscuHeader(void) throw (std::exception) {
158			int response;
159			char buff[16];
160			InputFile->read(buff, sizeof(buff));
161
162			prevPckCounter = 0;
163			prevPckOBT = 0;
164
165			unsigned char PacketId1 = buff[3];
166			unsigned char PacketId2 = buff[4];
167			unsigned int Counter = (((UINT32)buff[5]<<16)&0x00FF0000) + (((UINT32)buff[6]<<8)&0x0000FF00) + (((UINT32)buff[7])&0x000000FF);
168			unsigned int OrbitalTime = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) + (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);
169			unsigned int PacketLenght = (((UINT32)buff[12]<<16)&0x00FF0000) + (((UINT32)buff[13]<<8)&0x0000FF00) + (((UINT32)buff[14])&0x000000FF);
170			unsigned char CRC = buff[15];
171
172			if (Counter < prevPckCounter){
173			cat << log4cpp::Priority::ERROR
174			<< " Packet counter is less than before of " << (prevPckCounter - Counter)
175			<< "\n " << log4cpp::CategoryStream::ENDLINE;
176			}
177
178			if (OrbitalTime < prevPckOBT){
179			cat << log4cpp::Priority::WARN
180			<< " Orbital Time is less than before of " << (prevPckOBT - OrbitalTime)
181			<< "\n " << log4cpp::CategoryStream::ENDLINE;
182			}
183
184
185			if ((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]){
186			long int initPos = InputFile->tellg();
187			long int finalPos;
188			Header->GetPscuHeader()->SetPacketId(PacketId1, PacketId2);
189			Header->GetPscuHeader()->SetCounter(Counter);
190			Header->GetPscuHeader()->SetOrbitalTime(OrbitalTime);
191			//PacketLength is the length of the whole DATApacket starting from the first byte after the header
192			//plus the CRC legth (which varies for each type of packet)
193			Header->GetPscuHeader()->SetPacketLenght(PacketLenght);
194			Header->GetPscuHeader()->SetCRC(CRC);
195
196			//commented out because of the above test code
197			InputFile->seekg(Header->GetPscuHeader()->GetPacketLenght(), std::ios::cur);
198			FindStart();
199			finalPos = (long int)InputFile->tellg() - (1 + initPos + (long int)(Header->GetPscuHeader()->GetPacketLenght()));
200			if(finalPos == 0){
201			cat << log4cpp::Priority::INFO << " Correct packet length \n"
202			<< "\n " << log4cpp::CategoryStream::ENDLINE;
203			}
204			if (finalPos > 0 && finalPos < 64) {
205			cat << log4cpp::Priority::WARN
206			<< " Correct packet length: Padded of " << finalPos << " bytes \n"
207			<< "\n " << log4cpp::CategoryStream::ENDLINE;
208			}
209			if (finalPos > 64){
210			cat << log4cpp::Priority::ERROR << " Wrong packet length? (because of wrong padding?) \n"
211			<< "\n " << log4cpp::CategoryStream::ENDLINE;
212			}
213			InputFile->seekg(initPos, std::ios::beg);
214			response = true;
215			} else {
216			cat << log4cpp::Priority::ERROR << " WRONG CRC FOR HEADER "
217			<< "\n " << log4cpp::CategoryStream::ENDLINE;
218			response = false;
219			}
220
221			char tmpId1[4];
222			char tmpId2[4];
223			char tmpLength[12];
224			char tmpStart[100];
225			char tmpCRC[4];
226			sprintf(tmpId1, "%02X", PacketId1);
227			sprintf(tmpId2, "%02X", PacketId2);
228			sprintf(tmpLength, "%06X", PacketLenght);
229			sprintf(tmpStart, "%X", ((long int)(InputFile->tellg()) - 16));
230			sprintf(tmpCRC, "%02X", CRC);
231			cat << log4cpp::Priority::INFO
232			<< "\n Packet Counter (decimal) : " << Counter
233			<< "\n Id1 - Id2 : " << tmpId1 << " - " << tmpId2
234			<< "\n Orbital Time (decimal) : " << OrbitalTime
235			<< "\n Lenght : " << tmpLength
236			<< "\n CRC : " << tmpCRC
237			<< "\n Header Start Position : " << tmpStart
238			<< "\n " << log4cpp::CategoryStream::ENDLINE;
239			return response;
240			}
241
242			/**
243			* Unpack the trailer of a PSCU event into the structure.
244			*/
245			void EventReader::UnpackPscuTrailer(void) throw (std::exception) {
246
247			}
248
249			/**
250			* Find the next starting poin for the PSCU event looking for a {0xFA, 0xFE, 0xDE} sequence
251			*/
252			int EventReader::FindStart(void) throw (std::exception) {
253			//search an hexadecimal sequence in a file
254			//subSign ------> pointer to the sequence buffer
255			//subSignDim ------> dimension of the buffer
256			// at exit
257			// return true if founds a match (else false)
258			// subF point rigth after the match, if found. Else EOF.
259			//Maurizio 15/11/2002-----------------------
260			const unsigned char subSign[3]={0xFA, 0xFE, 0xDE};
261			int subSignDim = 3;
262			//------------------------------------------
263			int subIndex = 0;
264			char dataByte;
265			/*InputFile->read(fileByte, 1);
266			if ( fileByte == (subSign+subIndex)){
267			if (subIndex++ == (subSignDim-1)) {
268			InputFile->seekg(-(subIndex), std::ios::cur);
269			return 1;
270			}
271			}*/
272			while (!InputFile->eof()) {
273			InputFile->get(dataByte);
274			if (dataByte == (char)(*(subSign+subIndex))){
275			if (subIndex++ == (subSignDim-1)) {
276			InputFile->seekg(-(subIndex), std::ios::cur);
277			return 1;
278			}
279			} else {
280			if (InputFile->eof()) {
281			throw Exception("Extra bytes over the last packets");
282			} else {
283			return 0;
284			}
285			//InputFile->seekg(-(subIndex+1), std::ios::cur);
286			//subIndex = 0;
287			}
288			}
289			return 0;
290			}
291
292			ClassImp(EventReader)