/[PAMELA software]/yoda/techmodel/EventReader.cpp
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revision 1.5 by kusanagi, Thu Jul 29 16:19:11 2004 UTC revision 5.2 by kusanagi, Sat Feb 4 12:37:45 2006 UTC
# Line 1  Line 1 
1  /** @file  /** @file
2   * $Author: kusanagi $   * $Author: Maurizio Nagni $
3   * $Date: 2004/07/17 20:03:38 $   * $Date: 2005/09/16 12:05:49 $
4   * $Revision: 1.4 $   * $Revision: 5.1 $
5   *   *
6   * Implementation of the functions of a sample Algorithm class.   * Implementation of the functions of a sample Algorithm class.
7   * This file can be used as a templace to develop your own algorithm.   * This file can be used as a templace to develop your own algorithm.
8   */   */
9    
10  #include <log4cpp/Category.hh>  #include <log4cxx/logger.h>
 #include <fstream>  
 #include "TechmodelAlgorithm.h"  
11  #include "EventReader.h"  #include "EventReader.h"
12  #include "ReaderAlgorithms.h"  #include "ReaderAlgorithms.h"
13  #include "Exception.h"  
 #include "stdio.h"  
14  extern "C" {  extern "C" {
15  #include "CRC.h"      #include "CRC.h"
16  }  }
17    
 #define BYTE unsigned char  
   
18  using namespace pamela;  using namespace pamela;
19  using namespace pamela::techmodel;  using namespace pamela::techmodel;
20    
21  static log4cpp::Category& cat = log4cpp::Category::getInstance("pamela.techmodel.EventReader");  static log4cxx::LoggerPtr logger = log4cxx::Logger::getLogger(_T("pamela.techmodel.EventReader"));
22  static unsigned int prevPckCounter = 0;  
23  static unsigned int prevPckOBT     = 0;  unsigned int EventReader::maxPackets     = 0;
24    unsigned int EventReader::prevPckCounter = 0;
25    unsigned int EventReader::prevPckOBT     = 0;
26    
27    
28  /**  /**
29   * Constructor.   * Constructor.
30   */   */
31  EventReader::EventReader(void):  EventReader::EventReader(int packetsLimit = -1):
32    TechmodelAlgorithm(0, "TechmodelEventReader") {    TechmodelAlgorithm(0, "TechmodelEventReader"){
33    cat <<  log4cpp::Priority::DEBUG    EventReader::maxPackets = packetsLimit;
34        <<  "Constructor "    logger->debug(_T("Constructor"));
       <<  "\n " << log4cpp::CategoryStream::ENDLINE;  
35    Header = new EventHeader();    Header = new EventHeader();
36    
37    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,    new PhysicsReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun,      new PhysEndRunReader));
38    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,  new RunHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1,  new CalibCalPulse1Reader));
39    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer, new RunTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2,  new CalibCalPulse2Reader));
40    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,        new LogReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,         new PhysicsReader));
41    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,    new VarDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader));
42    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,    new ArrDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader));
43    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,    new TabDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader));
44    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,       new TmtcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader));
45    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,       new McmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,     new CalibCalPedReader));
46    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCal,   new CalibCalReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac1,      new Calib1_Ac1Reader));
47    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,new CalibCalPedReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac1,      new Calib2_Ac1Reader));
48    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCal,   new CalibAcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac2,      new Calib1_Ac2Reader));
49    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,  new CalibTrk1Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2,      new Calib2_Ac2Reader));
50    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,  new CalibTrk2Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader));
51    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd,   new CalibTrdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader));
52    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,   new CalibTofReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader));
53    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,    new CalibS4Reader()));    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::HA_Header_E5,    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader));
56                                                    new E5Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader));
57  */    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader));
58      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader));
59      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader));
60      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader));
61      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader));
62      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader));
63      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init,         new Ac1InitReader));
64      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader));
65      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader));
66      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader));
67      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader));
68      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit,          new NdInitReader));
69      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init,          new S4InitReader));
70      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init,         new Ac2InitReader));
71      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader));
72      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader));
73      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader));
74      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader));
75      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader));
76      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Alarm,         new S4AlarmReader));
77      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbT,            new TsbTReader));
78      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbB,            new TsbBReader));
79  }  }
80    
81  /**  /**
# Line 64  EventReader::EventReader(void): Line 83  EventReader::EventReader(void):
83   */   */
84  std::string EventReader::GetVersionInfo(void) const {  std::string EventReader::GetVersionInfo(void) const {
85    return    return
86      "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 1.4 2004/07/17 20:03:38 kusanagi Exp $\n";      "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 5.1 2005/09/16 12:05:49 Maurizio Nagni Exp $\n";
87  }  }
88    
89  /**  /**
# Line 80  void EventReader::Init(PamelaRun *run) { Line 99  void EventReader::Init(PamelaRun *run) {
99      //Create the xxx.root in it's specific directory      //Create the xxx.root in it's specific directory
100      for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();      for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();
101         i != TechmodelAlgorithmMap.end(); i++) {         i != TechmodelAlgorithmMap.end(); i++) {
102         cat  <<  log4cpp::Priority::DEBUG         oss.str("");
103              <<  " Initializing algo " << i->second->GetAlgorithmName()         oss << "Initializing algo " << i->second->GetAlgorithmName();
104              <<  "\n " << log4cpp::CategoryStream::ENDLINE;         logger->debug(oss.str().c_str());
105         i->second->Init(run);         i->second->Init(run);
106      }      }
107      Run = dynamic_cast<TechmodelPamelaRun*>(run);      Run = dynamic_cast<TechmodelPamelaRun*>(run);
# Line 94  static void SkipToNextHeader(ifstream *) Line 113  static void SkipToNextHeader(ifstream *)
113   * Read the next event header, call the reader algorithms that   * Read the next event header, call the reader algorithms that
114   * correspond to its packet type, and read the event trailer.   * correspond to its packet type, and read the event trailer.
115   */   */
   
 // 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------------------  
116  void EventReader::RunEvent(int EventNumber) {  void EventReader::RunEvent(int EventNumber) {
117        stringstream oss;
118    cat <<  log4cpp::Priority::ERROR <<  "Start Unpacking........"    int step = 0;
119        <<  "\n " << log4cpp::CategoryStream::ENDLINE;    const PacketType* type;
120    //for now i'll suppose that the raw file starts immediately with the right bytes    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){
   //to insert a GetPacketStart()  
   while (!InputFile->eof()){  
121      try {      try {
122        if (FindStart()) {        if (FindStart()) {
123          if(UnpackPscuHeader()){              UnpackPscuHeader();
124              const PacketType* type = Header->GetPscuHeader()->GetPacketType();              type = Header->GetPscuHeader()->GetPacketType();
125              AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);              AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);
126              if (i != TechmodelAlgorithmMap.end()) {              if (i != TechmodelAlgorithmMap.end()) {
127                  TechmodelAlgorithm *EventAlgorithm = i->second;                  TechmodelAlgorithm *EventAlgorithm(i->second);
128                  EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());                  EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
129                  Run->FillTrees(type);                  Run->FillTrees(type);
130                  Header->GetCounter()->Increment(type);                  Header->GetCounter()->Increment(type);
131                    logger->info(Header->GetPscuHeader()->Print());
132              } else {              } else {
133              cat <<  log4cpp::Priority::ERROR                  oss.str("");
134                  <<  "No way to read events of type" << type->GetName()                  oss << "\n No way to read events of type  " << type->GetName().c_str() << Header->GetPscuHeader()->Print();
135                  <<  "\n " << log4cpp::CategoryStream::ENDLINE;                  throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger!
136              throw Exception("No way to read events of type " + type->GetName());              }
137          }        }
138        } //else {      // In case of exception have to save the packet in a specific root file??
139          //**TO BE DONE**   <<WRONG CRC l --- LOST PACKET>>//      } catch (NotExistingAlgorithmException exc) {
140          //Have to be defined a "WrongCRC" packet::Type?        oss.str("");
141          //}        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
142       }        logger->error(oss.str().c_str());
143        } catch (WrongCRCHeaderException exc) {
144          oss.str("");
145          oss << exc.print();
146          logger->error(oss.str().c_str());
147        } catch (WrongCRCException exc) {
148          oss.str("");
149          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
150          logger->error(oss.str().c_str());
151          InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 15) , std::ios::cur);
152        } catch (UnidentifiedPacketException exc) {
153          oss.str("");
154          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
155          logger->error(oss.str().c_str());
156        } catch (NotExistingCounterException exc) {
157          oss.str("");
158          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
159          logger->error(oss.str().c_str());
160        } catch (LengthException exc) {
161          oss.str("");
162          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
163          logger->error(oss.str().c_str());
164        } catch (BackwardCounterException exc) {
165          oss.str("");
166          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
167          logger->error(oss.str().c_str());
168      } catch (...) {      } catch (...) {
169        //This have to be more detailed. More exceptions type are needed.        logger->error("Couldn't read the event. Skipping to the next header. \n");
       cat <<  log4cpp::Priority::ERROR <<  "Couldn't read the event. Skipping to the next header."  
           <<  "\n " << log4cpp::CategoryStream::ENDLINE;  
170      }      }
171        if ((step%1000) == 0) std::cout << step/1000 << "K \n";
172        oss.str("");
173        oss << "----endPck " << Header->GetPscuHeader()->GetCounter() << "\n";
174        logger->info(oss.str().c_str());
175    }    }
176    Header->GetCounter()->PrintCounters();      Header->GetCounter()->PrintCounters();
177  }  }
178    
 static void SkipToNextHeader(ifstream* TechmodelFile) {  
   //  yeah.  
 }  
   
   
   
179  /**  /**
180   * Unpack the PSCU header from a file into the structure.   * Unpack the PSCU header from a file into the structure.
181   */   */
182  int EventReader::UnpackPscuHeader(void) throw (std::exception) {  void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException, BackwardCounterException) {
183    int response;    stringstream oss;
184      int response = 0;
185    char buff[16];    char buff[16];
186    InputFile->read(buff, sizeof(buff));    InputFile->read(buff, sizeof(buff));
187        
   prevPckCounter = 0;  
   prevPckOBT     = 0;  
188        
189    unsigned char PacketId1    = buff[3];    unsigned char PacketId1    = buff[3];
190    unsigned char PacketId2    = buff[4];    unsigned char PacketId2    = buff[4];
# Line 160  int EventReader::UnpackPscuHeader(void) Line 192  int EventReader::UnpackPscuHeader(void)
192    unsigned int  OrbitalTime  = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) +  (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);    unsigned int  OrbitalTime  = (((UINT32)buff[8]<<24)&0xFF000000) + (((UINT32)buff[9]<<16)&0x00FF0000) +  (((UINT32)buff[10]<<8)&0x0000FF00) + (((UINT32)buff[11])&0x000000FF);
193    unsigned int  PacketLenght = (((UINT32)buff[12]<<16)&0x00FF0000) +  (((UINT32)buff[13]<<8)&0x0000FF00) + (((UINT32)buff[14])&0x000000FF);    unsigned int  PacketLenght = (((UINT32)buff[12]<<16)&0x00FF0000) +  (((UINT32)buff[13]<<8)&0x0000FF00) + (((UINT32)buff[14])&0x000000FF);
194    unsigned char CRC          = buff[15];    unsigned char CRC          = buff[15];
195      unsigned char FileOffset   = buff[15];
196    
197    
198    if (Counter < prevPckCounter){    if (Counter < prevPckCounter){
199      cat <<  log4cpp::Priority::ERROR      response = prevPckCounter - Counter;
200          <<  " Packet counter is less than before of " << (prevPckCounter - Counter)      //oss.str("");
201          <<  "\n " << log4cpp::CategoryStream::ENDLINE;      //oss << "Packet counter is less than before of " << (prevPckCounter - Counter);
202        //throw BackwardCounterException(oss.str().c_str());
203        //logger->error(oss.str().c_str());
204      }
205    
206      if (Counter > prevPckCounter + 1){
207        oss.str("");
208        oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
209        logger->error(oss.str().c_str());
210      }
211      
212      if ((OrbitalTime == prevPckOBT) & (PacketId1 == 0x10)){
213        oss.str("");
214        oss << "Onboard Time of this packet is equal to the previous packet OBT";
215        logger->error(oss.str().c_str());
216        logger->error(Header->GetPscuHeader()->Print());
217    }    }
218    
219    if (OrbitalTime < prevPckOBT){    if (OrbitalTime < prevPckOBT){
220        cat <<  log4cpp::Priority::WARN      oss.str("");
221            <<  " Orbital Time is less than before of " << (prevPckOBT - OrbitalTime)      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
222            <<  "\n " << log4cpp::CategoryStream::ENDLINE;      logger->error(oss.str().c_str());
223    }    }
224    
225      if (((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]) && (PacketId1 == PacketId2)){
226    if ((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]){      prevPckCounter = Counter;
227        prevPckOBT     = OrbitalTime;
228      long int initPos = InputFile->tellg();      long int initPos = InputFile->tellg();
229      long int finalPos;      long int finalPos;
230      Header->GetPscuHeader()->SetPacketId(PacketId1, PacketId2);      Header->GetPscuHeader()->SetPacketId(PacketId1, PacketId2);
# Line 184  int EventReader::UnpackPscuHeader(void) Line 234  int EventReader::UnpackPscuHeader(void)
234      //plus the CRC legth (which varies for each type of packet)      //plus the CRC legth (which varies for each type of packet)
235      Header->GetPscuHeader()->SetPacketLenght(PacketLenght);      Header->GetPscuHeader()->SetPacketLenght(PacketLenght);
236      Header->GetPscuHeader()->SetCRC(CRC);      Header->GetPscuHeader()->SetCRC(CRC);
237            Header->GetPscuHeader()->SetFileOffset(((long int)(InputFile->tellg()) - 16));
     //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;  
238    } else {    } else {
239      cat <<  log4cpp::Priority::ERROR <<  " WRONG CRC FOR HEADER "       /*Here i should extract the block of Data for later analysis */
240          <<  "\n " << log4cpp::CategoryStream::ENDLINE;      InputFile->seekg(-(13), std::ios::cur);
241      response =  false;      oss.str("");
242        oss << "CRC Header Error on packet:" << PscuHeader::Print(buff);
243        throw WrongCRCHeaderException(oss.str().c_str());
244    }    }
245    
246      char tmpId1[4];    if (response > 0){
247      char tmpId2[4];      oss.str("");
248      char tmpLength[12];      oss << "Packet counter is less than before of " << response;
249      char tmpStart[100];      throw BackwardCounterException(oss.str().c_str());
250      char tmpCRC[4];    }
     sprintf(tmpId1, "%02X", PacketId1);  
     sprintf(tmpId2, "%02X", PacketId2);  
     sprintf(tmpLength, "%06X", Header->GetPscuHeader()->GetPacketLenght());  
     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;  
251  }  }
252    
253  /**  /**
# Line 241  void EventReader::UnpackPscuTrailer(void Line 260  void EventReader::UnpackPscuTrailer(void
260  /**  /**
261   * Find the next starting poin for the PSCU event looking for a {0xFA, 0xFE, 0xDE} sequence   * Find the next starting poin for the PSCU event looking for a {0xFA, 0xFE, 0xDE} sequence
262   */   */
263  int EventReader::FindStart(void) throw (std::exception) {  bool EventReader::FindStart(void) throw (std::exception) {
264  //search an hexadecimal sequence in a file  //search an hexadecimal sequence in a file
265  //subSign    ------> pointer to the sequence buffer  //subSign    ------> pointer to the sequence buffer
266  //subSignDim ------> dimension of the buffer  //subSignDim ------> dimension of the buffer
# Line 249  int EventReader::FindStart(void) throw ( Line 268  int EventReader::FindStart(void) throw (
268  // return true if founds a match (else false)  // return true if founds a match (else false)
269  // subF point rigth after the match, if found. Else EOF.  // subF point rigth after the match, if found. Else EOF.
270  //Maurizio 15/11/2002-----------------------  //Maurizio 15/11/2002-----------------------
271    const unsigned char subSign[3]={0xFA, 0xFE, 0xDE};    const int subSignDim = 3;
272    int subSignDim = 3;    const unsigned char subSign[subSignDim]={0xFA, 0xFE, 0xDE};
273  //------------------------------------------  //------------------------------------------
274    int subIndex = 0;    int subIndex = 0;
275    char dataByte;    char dataByte;
276    /*InputFile->read(fileByte, 1);  
277      if ( *fileByte ==  *(subSign+subIndex)){    int  buffSize = 64;
278         if (subIndex++ == (subSignDim-1)) {    int  index = 0;
279          InputFile->seekg(-(subIndex), std::ios::cur);    int  loop = -1;
280          return 1;    char buffer[buffSize];
281        }    bool flagOverPad = false;
282        }*/  
283    while (!InputFile->eof()) {    while (!InputFile->eof()) {
284      InputFile->get(dataByte);      InputFile->read(buffer, sizeof(buffer));
285      if (dataByte == (char)(*(subSign+subIndex))){      index = 0;
286        if (subIndex++ == (subSignDim-1)) {      loop++;
287           InputFile->seekg(-(subIndex), std::ios::cur);      while (index < buffSize){
288          return 1;          dataByte = buffer[index++];
289         }          if (dataByte == (char)(*(subSign+subIndex))){
290      } else {              if (subIndex++ == (subSignDim-1)) {
291        if (InputFile->eof()) {                  InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);
292          throw Exception("Extra bytes over the last packets");                  if (flagOverPad){
293        } else {                      oss.str("");
294          return 0;                      oss << "\n This packet beginning is farther than 64 byte from the end of the previous."
295        }                          << "\n Below the is the last already unpacked packet";
296        //InputFile->seekg(-(subIndex+1), std::ios::cur);                      logger->error(oss.str().c_str());
297        //subIndex = 0;                      logger->error(Header->GetPscuHeader()->Print());
298      }                  }
299                    return true;
300                }
301            } else {
302                index = index - (subIndex);
303                subIndex = 0;
304            }
305        }
306        //Needs to guarantee the overap of the buffer(s) in several loop
307        flagOverPad = true;
308        InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);
309    }    }
310    return 0;    return false;
311  }  }
312    
313  ClassImp(EventReader)  ClassImp(EventReader)
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