/[PAMELA software]/yoda/techmodel/EventReader.cpp
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revision 2.4 by kusanagi, Fri Dec 3 22:08:00 2004 UTC revision 6.1 by kusanagi, Wed Feb 15 15:47:14 2006 UTC
# Line 1  Line 1 
1  /** @file  /** @file
2   * $Author: kusanagi $   * $Author: kusanagi $
3   * $Date: 2004/10/17 12:28:38 $   * $Date: 2006/02/07 17:11:09 $
4   * $Revision: 2.3 $   * $Revision: 6.0 $
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 <log4cxx/logger.h>  #include <log4cxx/logger.h>
 #include <fstream>  
11  #include "EventReader.h"  #include "EventReader.h"
12  #include "ReaderAlgorithms.h"  #include "ReaderAlgorithms.h"
13    
   
14  extern "C" {  extern "C" {
15      #include "CRC.h"      #include "CRC.h"
16  }  }
# Line 36  EventReader::EventReader(int packetsLimi Line 34  EventReader::EventReader(int packetsLimi
34    logger->debug(_T("Constructor"));    logger->debug(_T("Constructor"));
35    Header = new EventHeader();    Header = new EventHeader();
36    
37    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun,      new PhysEndRunReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun,      new PhysEndRunReader));
38    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1,  new CalibCalPulse1Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1,  new CalibCalPulse1Reader));
39    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2,  new CalibCalPulse2Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2,  new CalibCalPulse2Reader));
40    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,         new PhysicsReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,         new PhysicsReader));
41    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrkBoth,    new CalibTrkBothReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader));
42    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader));
43    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader));
44    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd,        new CalibTrdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader));
45    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,     new CalibCalPedReader));
46    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader()));    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::CalibAc,         new CalibAcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac2,      new Calib1_Ac2Reader));
49    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2,      new Calib2_Ac2Reader));
50    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader));
51    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader));
52    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer,    new CalibTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader));
53    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader,      new InitHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer,    new CalibTrailerReader));
54    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader,      new InitHeaderReader));
55    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk,        new EventTrkReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader));
56    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTrk,         new TestTrkReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk,        new EventTrkReader));
57    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTof,         new TestTofReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader));
58    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader));
59    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader));
60    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader));
61    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader));
62    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader));
63    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader));
64    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init,         new Ac1InitReader));
65    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcInit,          new AcInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader));
66    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader));
67    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader));
68    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader));
69    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit,          new NdInitReader));
70    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new NdInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init,          new S4InitReader));
71    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init,         new Ac2InitReader));
72    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader));
73    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader));
74    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader));
75    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader()));    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      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbT,            new TsbTReader));
79      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbB,            new TsbBReader));
80  }  }
81    
82  /**  /**
# Line 82  EventReader::EventReader(int packetsLimi Line 84  EventReader::EventReader(int packetsLimi
84   */   */
85  std::string EventReader::GetVersionInfo(void) const {  std::string EventReader::GetVersionInfo(void) const {
86    return    return
87      "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 2.3 2004/10/17 12:28:38 kusanagi Exp $\n";      "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 6.0 2006/02/07 17:11:09 kusanagi Exp $\n";
88  }  }
89    
90  /**  /**
# Line 112  static void SkipToNextHeader(ifstream *) Line 114  static void SkipToNextHeader(ifstream *)
114   * Read the next event header, call the reader algorithms that   * Read the next event header, call the reader algorithms that
115   * correspond to its packet type, and read the event trailer.   * correspond to its packet type, and read the event trailer.
116   */   */
   
 // 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------------------  
117  void EventReader::RunEvent(int EventNumber) {  void EventReader::RunEvent(int EventNumber) {
   //for now i'll suppose that the raw file starts immediately with the right bytes  
   //to insert a GetPacketStart()  
118    stringstream oss;    stringstream oss;
119    int step = 0;    int step = 0;
120      const PacketType* type;
121    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){
122      try {      try {
123        if (FindStart()) {        if (FindStart()) {
124              UnpackPscuHeader();              UnpackPscuHeader();
125              const PacketType* type = Header->GetPscuHeader()->GetPacketType();              type = Header->GetPscuHeader()->GetPacketType();
126              AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);              AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);
127              if (i != TechmodelAlgorithmMap.end()) {              if (i != TechmodelAlgorithmMap.end()) {
128                  TechmodelAlgorithm *EventAlgorithm = i->second;                  TechmodelAlgorithm *EventAlgorithm(i->second);
129                  EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());                  EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
130                  Run->FillTrees(type);                  Run->FillTrees(type);
131                  Header->GetCounter()->Increment(type);                  Header->GetCounter()->Increment(type);
132                  logger->info(Header->GetPscuHeader()->Print());                  logger->info(Header->GetPscuHeader()->Print());
133              } else {              } else {
134                  throw NotExistingAlgorithmException(type->GetName().c_str()); //to exctract to an higher level and delete the logger!                  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              }              }
138        }        }
139      // In case of exception have to save the packet in a specific root file??      // In case of exception have to save the packet in a specific root file??
140      } catch (NotExistingAlgorithmException exc) {      } catch (NotExistingAlgorithmException exc) {
141        char *temp;        oss.str("");
142        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
143        logger->warn(temp);        logger->error(oss.str().c_str());
144      } catch (WrongCRCHeaderException exc) {      } catch (WrongCRCHeaderException exc) {
145        char *temp;        oss.str("");
146        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print();
147        logger->warn(temp);        logger->error(oss.str().c_str());
148      } catch (WrongCRCException exc) {      } catch (WrongCRCException exc) {
149        //char *temp;        oss.str("");
150        //sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
151        //logger->warn(temp);        logger->error(oss.str().c_str());
152          logger->warn(Header->GetPscuHeader()->Print());        InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 15) , std::ios::cur);
153      } catch (UnidentifiedPacketException exc) {      } catch (UnidentifiedPacketException exc) {
154        char *temp;        oss.str("");
155        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
156        logger->warn(temp);        logger->error(oss.str().c_str());
157      } catch (NotExistingCounterException exc) {      } catch (NotExistingCounterException exc) {
158        char *temp;        oss.str("");
159        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
160        logger->warn(temp);        logger->error(oss.str().c_str());
161      } catch (LengthException exc) {      } catch (LengthException exc) {
162        char *temp;        oss.str("");
163        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
164        logger->warn(temp);        logger->error(oss.str().c_str());
165        } catch (BackwardCounterException exc) {
166          oss.str("");
167          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
168          logger->error(oss.str().c_str());
169      } catch (...) {      } catch (...) {
170        logger->error("Couldn't read the event. Skipping to the next header. \n");        logger->error("Couldn't read the event. Skipping to the next header. \n");
171      }      }
172      if ((step%1000) == 0) std::cout << step/1000 << "K \n";      if ((step%1000) == 0) std::cout << step/1000 << "K \n";
173        oss.str("");
174        oss << "----endPck " << Header->GetPscuHeader()->GetCounter() << "\n";
175        logger->info(oss.str().c_str());
176    }    }
177      Header->GetCounter()->PrintCounters();      Header->GetCounter()->PrintCounters();
178  }  }
179    
 static void SkipToNextHeader(ifstream* TechmodelFile) {  
   //  yeah.  
 }  
   
   
   
180  /**  /**
181   * Unpack the PSCU header from a file into the structure.   * Unpack the PSCU header from a file into the structure.
182   */   */
183  void EventReader::UnpackPscuHeader(void) throw (WrongCRCException, LengthException) {  void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException, BackwardCounterException) {
184    stringstream oss;    stringstream oss;
185    int response = false;    int response = 0;
186    char buff[16];    char buff[16];
187    InputFile->read(buff, sizeof(buff));    InputFile->read(buff, sizeof(buff));
188        
# Line 197  void EventReader::UnpackPscuHeader(void) Line 195  void EventReader::UnpackPscuHeader(void)
195    unsigned char CRC          = buff[15];    unsigned char CRC          = buff[15];
196    unsigned char FileOffset   = buff[15];    unsigned char FileOffset   = buff[15];
197    
198    
199    if (Counter < prevPckCounter){    if (Counter < prevPckCounter){
200        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      }
206    
207      if (Counter > prevPckCounter + 1){
208      oss.str("");      oss.str("");
209      oss << "Packet counter is less than before of " << (prevPckCounter - Counter);      oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
210      logger->warn(oss.str().c_str());      logger->error(oss.str().c_str());
211      }
212      
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    
220    if (OrbitalTime < prevPckOBT){    if (OrbitalTime < prevPckOBT){
221      oss.str("");      oss.str("");
222      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
223      logger->warn(oss.str().c_str());      logger->error(oss.str().c_str());
224    }    }
225    
226    if (((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]) && (PacketId1 == PacketId2)){    if (((BYTE)CM_Compute_CRC16(0, (BYTE*)&buff, 15) == (BYTE)buff[15]) && (PacketId1 == PacketId2)){
# Line 222  void EventReader::UnpackPscuHeader(void) Line 236  void EventReader::UnpackPscuHeader(void)
236      Header->GetPscuHeader()->SetPacketLenght(PacketLenght);      Header->GetPscuHeader()->SetPacketLenght(PacketLenght);
237      Header->GetPscuHeader()->SetCRC(CRC);      Header->GetPscuHeader()->SetCRC(CRC);
238      Header->GetPscuHeader()->SetFileOffset(((long int)(InputFile->tellg()) - 16));      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){  
             logger->debug(_T("Correct packet length"));  
             }  
         if (finalPos > 0 && finalPos < 64) {  
             oss.str("");  
             oss << " Correct packet length: Padded of " << finalPos << " bytes";  
             logger->debug(oss.str().c_str());  
         }  
         if (finalPos > 64){  
             oss.str("");  
             oss << "The begin of the next packet is far more than 64 byte from the end of the previous."  
                 << Header->GetPscuHeader()->Print();  
             logger->warn(oss.str().c_str());  
             //throw LengthException("The begin of the next packet is far more than 64 byte from the end of the previous.");  
         }  
         InputFile->seekg(initPos, std::ios::beg);  
239    } else {    } else {
240         /*Here i should extract the block of Data for later analysis */
241      InputFile->seekg(-(13), std::ios::cur);      InputFile->seekg(-(13), std::ios::cur);
242      throw WrongCRCHeaderException();      oss.str("");
243        oss << "CRC Header Error on packet:" << PscuHeader::Print(buff);
244        throw WrongCRCHeaderException(oss.str().c_str());
245    }    }
246    
247  /*    char tmpId1[4];    if (response > 0){
248      char tmpId2[4];      oss.str("");
249      char tmpLength[12];      oss << "Packet counter is less than before of " << response;
250      char tmpStart[100];      throw BackwardCounterException(oss.str().c_str());
251      char tmpCRC[4];    }
     sprintf(tmpId1, "%02X", PacketId1);  
     sprintf(tmpId2, "%02X", PacketId2);  
     sprintf(tmpLength, "%06X", Header->GetPscuHeader()->GetPacketLenght());  
     sprintf(tmpStart, "%X", Header->GetPscuHeader()->GetFileOffset());  
     sprintf(tmpCRC, "%02X", CRC);  
     oss.flush();  
     oss << "\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;  
     logger->info(oss.str().c_str());  
 */  
252  }  }
253    
254  /**  /**
# Line 279  void EventReader::UnpackPscuTrailer(void Line 261  void EventReader::UnpackPscuTrailer(void
261  /**  /**
262   * 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
263   */   */
264  int EventReader::FindStart(void) throw (std::exception) {  bool EventReader::FindStart(void) throw (std::exception) {
265  //search an hexadecimal sequence in a file  //search an hexadecimal sequence in a file
266  //subSign    ------> pointer to the sequence buffer  //subSign    ------> pointer to the sequence buffer
267  //subSignDim ------> dimension of the buffer  //subSignDim ------> dimension of the buffer
# Line 292  int EventReader::FindStart(void) throw ( Line 274  int EventReader::FindStart(void) throw (
274  //------------------------------------------  //------------------------------------------
275    int subIndex = 0;    int subIndex = 0;
276    char dataByte;    char dataByte;
277    
278    int  buffSize = 100;    int  buffSize = 64;
279    int  index = 0;    int  index = 0;
280    int  loop = -1;    int  loop = -1;
281    char buffer[buffSize];    char buffer[buffSize];
282      bool flagOverPad = false;
283    
284    while (!InputFile->eof()) {    while (!InputFile->eof()) {
285      InputFile->read(buffer, sizeof(buffer));      InputFile->read(buffer, sizeof(buffer));
# Line 307  int EventReader::FindStart(void) throw ( Line 290  int EventReader::FindStart(void) throw (
290          if (dataByte == (char)(*(subSign+subIndex))){          if (dataByte == (char)(*(subSign+subIndex))){
291              if (subIndex++ == (subSignDim-1)) {              if (subIndex++ == (subSignDim-1)) {
292                  InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);                  InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);
293                  return 1;                  if (flagOverPad){
294                        oss.str("");
295                        oss << "\n This packet beginning is farther than 64 byte from the end of the previous."
296                            << "\n Below the is the last already unpacked packet";
297                        logger->error(oss.str().c_str());
298                        logger->error(Header->GetPscuHeader()->Print());
299                    }
300                    return true;
301              }              }
302          } else {          } else {
303              index = index - (subIndex);              index = index - (subIndex);
# Line 315  int EventReader::FindStart(void) throw ( Line 305  int EventReader::FindStart(void) throw (
305          }          }
306      }      }
307      //Needs to guarantee the overap of the buffer(s) in several loop      //Needs to guarantee the overap of the buffer(s) in several loop
308        flagOverPad = true;
309      InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);      InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);
310    }    }
311    return 0;    return false;
312  }  }
313    
314  ClassImp(EventReader)  ClassImp(EventReader)
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