/[PAMELA software]/yoda/techmodel/EventReader.cpp
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revision 2.4 by kusanagi, Fri Dec 3 22:08:00 2004 UTC revision 6.0 by kusanagi, Tue Feb 7 17:11:09 2006 UTC
# Line 1  Line 1 
1  /** @file  /** @file
2   * $Author: kusanagi $   * $Author: kusanagi $
3   * $Date: 2004/10/17 12:28:38 $   * $Date: 2006/02/04 12:37:45 $
4   * $Revision: 2.3 $   * $Revision: 5.2 $
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::Log,             new LogReader));
57    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTof,         new TestTofReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader));
58    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader));
59    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader));
60    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader));
61    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader));
62    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader));
63    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init,         new Ac1InitReader));
64    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader));
65    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcInit,          new AcInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader));
66    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader));
67    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader));
68    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit,          new NdInitReader));
69    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init,          new S4InitReader));
70    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new NdInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init,         new Ac2InitReader));
71    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader));
72    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader));
73    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader));
74    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader));
75    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader()));    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 82  EventReader::EventReader(int packetsLimi Line 83  EventReader::EventReader(int packetsLimi
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 2.3 2004/10/17 12:28:38 kusanagi Exp $\n";      "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 5.2 2006/02/04 12:37:45 kusanagi Exp $\n";
87  }  }
88    
89  /**  /**
# Line 112  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) {
   //for now i'll suppose that the raw file starts immediately with the right bytes  
   //to insert a GetPacketStart()  
117    stringstream oss;    stringstream oss;
118    int step = 0;    int step = 0;
119      const PacketType* type;
120    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){
121      try {      try {
122        if (FindStart()) {        if (FindStart()) {
123              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());                  logger->info(Header->GetPscuHeader()->Print());
132              } else {              } else {
133                  throw NotExistingAlgorithmException(type->GetName().c_str()); //to exctract to an higher level and delete the logger!                  oss.str("");
134                    oss << "\n No way to read events of type  " << type->GetName().c_str() << Header->GetPscuHeader()->Print();
135                    throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger!
136              }              }
137        }        }
138      // 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??
139      } catch (NotExistingAlgorithmException exc) {      } catch (NotExistingAlgorithmException exc) {
140        char *temp;        oss.str("");
141        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
142        logger->warn(temp);        logger->error(oss.str().c_str());
143      } catch (WrongCRCHeaderException exc) {      } catch (WrongCRCHeaderException exc) {
144        char *temp;        oss.str("");
145        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print();
146        logger->warn(temp);        logger->error(oss.str().c_str());
147      } catch (WrongCRCException exc) {      } catch (WrongCRCException exc) {
148        //char *temp;        oss.str("");
149        //sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
150        //logger->warn(temp);        logger->error(oss.str().c_str());
151          logger->warn(Header->GetPscuHeader()->Print());        InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 15) , std::ios::cur);
152      } catch (UnidentifiedPacketException exc) {      } catch (UnidentifiedPacketException exc) {
153        char *temp;        oss.str("");
154        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
155        logger->warn(temp);        logger->error(oss.str().c_str());
156      } catch (NotExistingCounterException exc) {      } catch (NotExistingCounterException exc) {
157        char *temp;        oss.str("");
158        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
159        logger->warn(temp);        logger->error(oss.str().c_str());
160      } catch (LengthException exc) {      } catch (LengthException exc) {
161        char *temp;        oss.str("");
162        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
163        logger->warn(temp);        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        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");
170      }      }
171      if ((step%1000) == 0) std::cout << step/1000 << "K \n";      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  void EventReader::UnpackPscuHeader(void) throw (WrongCRCException, LengthException) {  void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException, BackwardCounterException) {
183    stringstream oss;    stringstream oss;
184    int response = false;    int response = 0;
185    char buff[16];    char buff[16];
186    InputFile->read(buff, sizeof(buff));    InputFile->read(buff, sizeof(buff));
187        
# Line 197  void EventReader::UnpackPscuHeader(void) Line 194  void EventReader::UnpackPscuHeader(void)
194    unsigned char CRC          = buff[15];    unsigned char CRC          = buff[15];
195    unsigned char FileOffset   = buff[15];    unsigned char FileOffset   = buff[15];
196    
197    
198    if (Counter < prevPckCounter){    if (Counter < prevPckCounter){
199        response = prevPckCounter - Counter;
200        //oss.str("");
201        //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("");      oss.str("");
208      oss << "Packet counter is less than before of " << (prevPckCounter - Counter);      oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
209      logger->warn(oss.str().c_str());      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      oss.str("");      oss.str("");
221      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
222      logger->warn(oss.str().c_str());      logger->error(oss.str().c_str());
223    }    }
224    
225    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 235  void EventReader::UnpackPscuHeader(void)
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));      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);  
238    } else {    } else {
239         /*Here i should extract the block of Data for later analysis */
240      InputFile->seekg(-(13), std::ios::cur);      InputFile->seekg(-(13), std::ios::cur);
241      throw WrongCRCHeaderException();      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", 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());  
 */  
251  }  }
252    
253  /**  /**
# Line 279  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 292  int EventReader::FindStart(void) throw ( Line 273  int EventReader::FindStart(void) throw (
273  //------------------------------------------  //------------------------------------------
274    int subIndex = 0;    int subIndex = 0;
275    char dataByte;    char dataByte;
276    
277    int  buffSize = 100;    int  buffSize = 64;
278    int  index = 0;    int  index = 0;
279    int  loop = -1;    int  loop = -1;
280    char buffer[buffSize];    char buffer[buffSize];
281      bool flagOverPad = false;
282    
283    while (!InputFile->eof()) {    while (!InputFile->eof()) {
284      InputFile->read(buffer, sizeof(buffer));      InputFile->read(buffer, sizeof(buffer));
# Line 307  int EventReader::FindStart(void) throw ( Line 289  int EventReader::FindStart(void) throw (
289          if (dataByte == (char)(*(subSign+subIndex))){          if (dataByte == (char)(*(subSign+subIndex))){
290              if (subIndex++ == (subSignDim-1)) {              if (subIndex++ == (subSignDim-1)) {
291                  InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);                  InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);
292                  return 1;                  if (flagOverPad){
293                        oss.str("");
294                        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                        logger->error(oss.str().c_str());
297                        logger->error(Header->GetPscuHeader()->Print());
298                    }
299                    return true;
300              }              }
301          } else {          } else {
302              index = index - (subIndex);              index = index - (subIndex);
# Line 315  int EventReader::FindStart(void) throw ( Line 304  int EventReader::FindStart(void) throw (
304          }          }
305      }      }
306      //Needs to guarantee the overap of the buffer(s) in several loop      //Needs to guarantee the overap of the buffer(s) in several loop
307        flagOverPad = true;
308      InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);      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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