/[PAMELA software]/yoda/techmodel/EventReader.cpp
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revision 2.4 by kusanagi, Fri Dec 3 22:08:00 2004 UTC revision 5.1 by kusanagi, Fri Sep 16 12:05:49 2005 UTC
# Line 1  Line 1 
1  /** @file  /** @file
2   * $Author: kusanagi $   * $Author: kusanagi $
3   * $Date: 2004/10/17 12:28:38 $   * $Date: 2005/08/29 09:46:13 $
4   * $Revision: 2.3 $   * $Revision: 5.0 $
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.
# Line 36  EventReader::EventReader(int packetsLimi Line 36  EventReader::EventReader(int packetsLimi
36    logger->debug(_T("Constructor"));    logger->debug(_T("Constructor"));
37    Header = new EventHeader();    Header = new EventHeader();
38    
39    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun,      new PhysEndRunReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::PhysEndRun,      new PhysEndRunReader));
40    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1,  new CalibCalPulse1Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse1,  new CalibCalPulse1Reader));
41    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2,  new CalibCalPulse2Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPulse2,  new CalibCalPulse2Reader));
42    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,         new PhysicsReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Physics,         new PhysicsReader));
43    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrkBoth,    new CalibTrkBothReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader));
44    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader));
45    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader));
46    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd,        new CalibTrdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader));
47    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,     new CalibCalPedReader));
48    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac1,      new Calib1_Ac1Reader));
49    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,     new CalibCalPedReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac1,      new Calib2_Ac1Reader));
50    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibAc,         new CalibAcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac2,      new Calib1_Ac2Reader));
51    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2,      new Calib2_Ac2Reader));
52    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader));
53    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader));
54    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer,    new CalibTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader));
55    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader,      new InitHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer,    new CalibTrailerReader));
56    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader,      new InitHeaderReader));
57    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk,        new EventTrkReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader));
58    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTrk,         new TestTrkReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk,        new EventTrkReader));
59    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTof,         new TestTofReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTrk,         new TestTrkReader));
60    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTof,         new TestTofReader));
61    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader));
62    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader));
63    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader));
64    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader));
65    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader));
66    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader));
67    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcInit,          new AcInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader));
68    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init,         new Ac1InitReader));
69    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader));
70    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader));
71    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader));
72    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new NdInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader));
73    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit,          new NdInitReader));
74    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init,          new S4InitReader));
75    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init,         new Ac2InitReader));
76    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader));
77    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader));
78      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader));
79      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader));
80      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader));
81      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Alarm,         new S4AlarmReader));
82      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbT,            new TsbTReader));
83      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbB,            new TsbBReader));
84  }  }
85    
86  /**  /**
# Line 82  EventReader::EventReader(int packetsLimi Line 88  EventReader::EventReader(int packetsLimi
88   */   */
89  std::string EventReader::GetVersionInfo(void) const {  std::string EventReader::GetVersionInfo(void) const {
90    return    return
91      "$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 5.0 2005/08/29 09:46:13 kusanagi Exp $\n";
92  }  }
93    
94  /**  /**
# Line 112  static void SkipToNextHeader(ifstream *) Line 118  static void SkipToNextHeader(ifstream *)
118   * Read the next event header, call the reader algorithms that   * Read the next event header, call the reader algorithms that
119   * correspond to its packet type, and read the event trailer.   * correspond to its packet type, and read the event trailer.
120   */   */
   
 // 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------------------  
121  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()  
122    stringstream oss;    stringstream oss;
123    int step = 0;    int step = 0;
124      const PacketType* type;
125    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){
126      try {      try {
127        if (FindStart()) {        if (FindStart()) {
128              UnpackPscuHeader();              UnpackPscuHeader();
129              const PacketType* type = Header->GetPscuHeader()->GetPacketType();              type = Header->GetPscuHeader()->GetPacketType();
130              AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);              AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);
131              if (i != TechmodelAlgorithmMap.end()) {              if (i != TechmodelAlgorithmMap.end()) {
132                  TechmodelAlgorithm *EventAlgorithm = i->second;                  TechmodelAlgorithm *EventAlgorithm(i->second);
133                  EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());                  EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
134                  Run->FillTrees(type);                  Run->FillTrees(type);
135                  Header->GetCounter()->Increment(type);                  Header->GetCounter()->Increment(type);
136                  logger->info(Header->GetPscuHeader()->Print());                  logger->info(Header->GetPscuHeader()->Print());
137              } else {              } else {
138                  throw NotExistingAlgorithmException(type->GetName().c_str()); //to exctract to an higher level and delete the logger!                  oss.str("");
139                    oss << "\n No way to read events of type  " << type->GetName().c_str() << Header->GetPscuHeader()->Print();
140                    throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger!
141              }              }
142        }        }
143      // 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??
144      } catch (NotExistingAlgorithmException exc) {      } catch (NotExistingAlgorithmException exc) {
145        char *temp;        oss.str("");
146        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
147        logger->warn(temp);        logger->error(oss.str().c_str());
148      } catch (WrongCRCHeaderException exc) {      } catch (WrongCRCHeaderException exc) {
149        char *temp;        oss.str("");
150        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print();
151        logger->warn(temp);        logger->error(oss.str().c_str());
152      } catch (WrongCRCException exc) {      } catch (WrongCRCException 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          logger->warn(Header->GetPscuHeader()->Print());        InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 15) , std::ios::cur);
157      } catch (UnidentifiedPacketException exc) {      } catch (UnidentifiedPacketException 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 (NotExistingCounterException exc) {      } catch (NotExistingCounterException 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 (LengthException exc) {      } catch (LengthException exc) {
166        char *temp;        oss.str("");
167        sprintf(temp, "%s %s \n", exc.print(), Header->GetPscuHeader()->Print());        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
168        logger->warn(temp);        logger->error(oss.str().c_str());
169        } catch (BackwardCounterException exc) {
170          oss.str("");
171          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
172          logger->error(oss.str().c_str());
173      } catch (...) {      } catch (...) {
174        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");
175      }      }
176      if ((step%1000) == 0) std::cout << step/1000 << "K \n";      if ((step%1000) == 0) std::cout << step/1000 << "K \n";
177        oss.str("");
178        oss << "----endPck " << Header->GetPscuHeader()->GetCounter() << "\n";
179        logger->info(oss.str().c_str());
180    }    }
181      Header->GetCounter()->PrintCounters();      Header->GetCounter()->PrintCounters();
182  }  }
183    
 static void SkipToNextHeader(ifstream* TechmodelFile) {  
   //  yeah.  
 }  
   
   
   
184  /**  /**
185   * Unpack the PSCU header from a file into the structure.   * Unpack the PSCU header from a file into the structure.
186   */   */
187  void EventReader::UnpackPscuHeader(void) throw (WrongCRCException, LengthException) {  void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException, BackwardCounterException) {
188    stringstream oss;    stringstream oss;
189    int response = false;    int response = 0;
190    char buff[16];    char buff[16];
191    InputFile->read(buff, sizeof(buff));    InputFile->read(buff, sizeof(buff));
192        
# Line 197  void EventReader::UnpackPscuHeader(void) Line 199  void EventReader::UnpackPscuHeader(void)
199    unsigned char CRC          = buff[15];    unsigned char CRC          = buff[15];
200    unsigned char FileOffset   = buff[15];    unsigned char FileOffset   = buff[15];
201    
202    
203    if (Counter < prevPckCounter){    if (Counter < prevPckCounter){
204        response = prevPckCounter - Counter;
205        //oss.str("");
206        //oss << "Packet counter is less than before of " << (prevPckCounter - Counter);
207        //throw BackwardCounterException(oss.str().c_str());
208        //logger->error(oss.str().c_str());
209      }
210    
211      if (Counter > prevPckCounter + 1){
212        oss.str("");
213        oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
214        logger->error(oss.str().c_str());
215      }
216      
217      if ((OrbitalTime == prevPckOBT) & (PacketId1 == 0x10)){
218      oss.str("");      oss.str("");
219      oss << "Packet counter is less than before of " << (prevPckCounter - Counter);      oss << "Onboard Time of this packet is equal to the previous packet OBT";
220      logger->warn(oss.str().c_str());      logger->error(oss.str().c_str());
221        logger->error(Header->GetPscuHeader()->Print());
222    }    }
223    
224    if (OrbitalTime < prevPckOBT){    if (OrbitalTime < prevPckOBT){
225      oss.str("");      oss.str("");
226      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
227      logger->warn(oss.str().c_str());      logger->error(oss.str().c_str());
228    }    }
229    
230    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 240  void EventReader::UnpackPscuHeader(void)
240      Header->GetPscuHeader()->SetPacketLenght(PacketLenght);      Header->GetPscuHeader()->SetPacketLenght(PacketLenght);
241      Header->GetPscuHeader()->SetCRC(CRC);      Header->GetPscuHeader()->SetCRC(CRC);
242      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);  
243    } else {    } else {
244         /*Here i should extract the block of Data for later analysis */
245      InputFile->seekg(-(13), std::ios::cur);      InputFile->seekg(-(13), std::ios::cur);
246      throw WrongCRCHeaderException();      oss.str("");
247        oss << "CRC Header Error on packet:" << PscuHeader::Print(buff);
248        throw WrongCRCHeaderException(oss.str().c_str());
249    }    }
250    
251  /*    char tmpId1[4];    if (response > 0){
252      char tmpId2[4];      oss.str("");
253      char tmpLength[12];      oss << "Packet counter is less than before of " << response;
254      char tmpStart[100];      throw BackwardCounterException(oss.str().c_str());
255      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());  
 */  
256  }  }
257    
258  /**  /**
# Line 279  void EventReader::UnpackPscuTrailer(void Line 265  void EventReader::UnpackPscuTrailer(void
265  /**  /**
266   * 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
267   */   */
268  int EventReader::FindStart(void) throw (std::exception) {  bool EventReader::FindStart(void) throw (std::exception) {
269  //search an hexadecimal sequence in a file  //search an hexadecimal sequence in a file
270  //subSign    ------> pointer to the sequence buffer  //subSign    ------> pointer to the sequence buffer
271  //subSignDim ------> dimension of the buffer  //subSignDim ------> dimension of the buffer
# Line 292  int EventReader::FindStart(void) throw ( Line 278  int EventReader::FindStart(void) throw (
278  //------------------------------------------  //------------------------------------------
279    int subIndex = 0;    int subIndex = 0;
280    char dataByte;    char dataByte;
281    
282    int  buffSize = 100;    int  buffSize = 64;
283    int  index = 0;    int  index = 0;
284    int  loop = -1;    int  loop = -1;
285    char buffer[buffSize];    char buffer[buffSize];
286      bool flagOverPad = false;
287    
288    while (!InputFile->eof()) {    while (!InputFile->eof()) {
289      InputFile->read(buffer, sizeof(buffer));      InputFile->read(buffer, sizeof(buffer));
# Line 307  int EventReader::FindStart(void) throw ( Line 294  int EventReader::FindStart(void) throw (
294          if (dataByte == (char)(*(subSign+subIndex))){          if (dataByte == (char)(*(subSign+subIndex))){
295              if (subIndex++ == (subSignDim-1)) {              if (subIndex++ == (subSignDim-1)) {
296                  InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);                  InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);
297                  return 1;                  if (flagOverPad){
298                        oss.str("");
299                        oss << "\n This packet beginning is farther than 64 byte from the end of the previous."
300                            << "\n Below the is the last already unpacked packet";
301                        logger->error(oss.str().c_str());
302                        logger->error(Header->GetPscuHeader()->Print());
303                    }
304                    return true;
305              }              }
306          } else {          } else {
307              index = index - (subIndex);              index = index - (subIndex);
# Line 315  int EventReader::FindStart(void) throw ( Line 309  int EventReader::FindStart(void) throw (
309          }          }
310      }      }
311      //Needs to guarantee the overap of the buffer(s) in several loop      //Needs to guarantee the overap of the buffer(s) in several loop
312        flagOverPad = true;
313      InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);      InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);
314    }    }
315    return 0;    return false;
316  }  }
317    
318  ClassImp(EventReader)  ClassImp(EventReader)
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