/[PAMELA software]/yoda/techmodel/EventReader.cpp
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revision 2.3 by kusanagi, Sun Oct 17 12:28:38 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: 2004/09/24 11:57:49 $   * $Date: 2006/02/07 17:11:09 $
4   * $Revision: 2.2 $   * $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>  
 #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    
# Line 35  unsigned int EventReader::prevPckOBT     Line 30  unsigned int EventReader::prevPckOBT    
30   */   */
31  EventReader::EventReader(int packetsLimit = -1):  EventReader::EventReader(int packetsLimit = -1):
32    TechmodelAlgorithm(0, "TechmodelEventReader"){    TechmodelAlgorithm(0, "TechmodelEventReader"){
 //EventReader::EventReader(void):  
 //  TechmodelAlgorithm(0, "TechmodelEventReader") {  
33    EventReader::maxPackets = packetsLimit;    EventReader::maxPackets = packetsLimit;
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 87  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 2.2 2004/09/24 11:57:49 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 95  std::string EventReader::GetVersionInfo( Line 92  std::string EventReader::GetVersionInfo(
92   * event reader routines for all packet types.   * event reader routines for all packet types.
93   */   */
94  void EventReader::Init(PamelaRun *run) {  void EventReader::Init(PamelaRun *run) {
     std::stringstream oss;  
     logger->debug(_T("Initialize"));  
95      SetInputStream(run);      SetInputStream(run);
96            
97      //Create the structure of directories and create xxx.Header.root files      //Create the structure of directories and create xxx.Header.root files
# Line 105  void EventReader::Init(PamelaRun *run) { Line 100  void EventReader::Init(PamelaRun *run) {
100      //Create the xxx.root in it's specific directory      //Create the xxx.root in it's specific directory
101      for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();      for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();
102         i != TechmodelAlgorithmMap.end(); i++) {         i != TechmodelAlgorithmMap.end(); i++) {
103         oss.flush();         oss.str("");
104         oss << "Initializing algo " << i->second->GetAlgorithmName();         oss << "Initializing algo " << i->second->GetAlgorithmName();
        //cout << "Initializing algo " << i->second->GetAlgorithmName();  
105         logger->debug(oss.str().c_str());         logger->debug(oss.str().c_str());
106         i->second->Init(run);         i->second->Init(run);
107      }      }
# Line 120  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          if(UnpackPscuHeader()){              UnpackPscuHeader();
125              const PacketType* type = Header->GetPscuHeader()->GetPacketType();              type = Header->GetPscuHeader()->GetPacketType();
             //if (filter->CheckPacket(type))  
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());
133              } else {              } else {
134                  oss.flush();                  oss.str("");
135                  oss << "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();
136                  logger->info(oss.str().c_str());                  throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger!
                 throw Exception("No way to read events of type " + type->GetName());  
137              }              }
         } //else {  
             //**TO BE DONE**   <<WRONG CRC l --- LOST PACKET>>//  
             //Have to be defined a "WrongCRC" packet::Type?  
             //}  
138        }        }
139        // In case of exception have to save the packet in a specific root file??
140        } catch (NotExistingAlgorithmException exc) {
141          oss.str("");
142          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
143          logger->error(oss.str().c_str());
144        } catch (WrongCRCHeaderException exc) {
145          oss.str("");
146          oss << exc.print();
147          logger->error(oss.str().c_str());
148        } catch (WrongCRCException exc) {
149          oss.str("");
150          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
151          logger->error(oss.str().c_str());
152          InputFile->seekg( (-1)*(Header->GetPscuHeader()->GetPacketLenght() + 15) , std::ios::cur);
153        } catch (UnidentifiedPacketException exc) {
154          oss.str("");
155          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
156          logger->error(oss.str().c_str());
157        } catch (NotExistingCounterException exc) {
158          oss.str("");
159          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
160          logger->error(oss.str().c_str());
161        } catch (LengthException exc) {
162          oss.str("");
163          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
164          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        //This have to be more detailed. More exceptions type are needed.        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.");  
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  int EventReader::UnpackPscuHeader(void) throw (std::exception) {  void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException, BackwardCounterException) {
184    stringstream oss;    stringstream oss;
185    int response;    int response = 0;
186    char buff[16];    char buff[16];
187    InputFile->read(buff, sizeof(buff));    InputFile->read(buff, sizeof(buff));
188        
# Line 187  int EventReader::UnpackPscuHeader(void) Line 195  int 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      oss.flush();      response = prevPckCounter - Counter;
201      oss << "Packet counter is less than before of " << (prevPckCounter - Counter);      //oss.str("");
202      logger->info(oss.str().c_str());      //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("");
209        oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
210        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.flush();      oss.str("");
222      oss << " Orbital Time is less than before of " << (prevPckOBT - OrbitalTime);      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
223      logger->info(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 212  int EventReader::UnpackPscuHeader(void) Line 236  int 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.flush();  
             oss << " Correct packet length: Padded of " << finalPos << " bytes";  
             logger->warn(oss.str().c_str());  
         }  
         if (finalPos > 64){  
             logger->warn(_T(" Wrong packet length? (because of wrong padding?)"));  
         }  
         InputFile->seekg(initPos, std::ios::beg);  
         response =  true;  
239    } else {    } else {
240      logger->warn(_T(" WRONG CRC FOR HEADER "));       /*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      response =  false;      oss.str("");
243        oss << "CRC Header Error on packet:" << PscuHeader::Print(buff);
244        throw WrongCRCHeaderException(oss.str().c_str());
245      }
246    
247      if (response > 0){
248        oss.str("");
249        oss << "Packet counter is less than before of " << response;
250        throw BackwardCounterException(oss.str().c_str());
251    }    }
     char tmpId1[4];  
     char tmpId2[4];  
     char tmpLength[12];  
     char tmpStart[100];  
     char tmpCRC[4];  
     sprintf(tmpId1, "%02X", PacketId1);  
     sprintf(tmpId2, "%02X", PacketId2);  
     sprintf(tmpLength, "%06X", 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());  
   return response;  
252  }  }
253    
254  /**  /**
# Line 266  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 274  int EventReader::FindStart(void) throw ( Line 269  int EventReader::FindStart(void) throw (
269  // return true if founds a match (else false)  // return true if founds a match (else false)
270  // subF point rigth after the match, if found. Else EOF.  // subF point rigth after the match, if found. Else EOF.
271  //Maurizio 15/11/2002-----------------------  //Maurizio 15/11/2002-----------------------
272    const unsigned char subSign[3]={0xFA, 0xFE, 0xDE};    const int subSignDim = 3;
273    int subSignDim = 3;    const unsigned char subSign[subSignDim]={0xFA, 0xFE, 0xDE};
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 = 0;    int  loop = -1;
281    char buffer[buffSize];    char buffer[buffSize];
282      bool flagOverPad = false;
283    
   /* original version  
   while (!InputFile->eof()) {  
     InputFile->get(dataByte);  
     if (dataByte == (char)(*(subSign+subIndex))){  
       if (subIndex++ == (subSignDim-1)) {  
          InputFile->seekg(-(subIndex), std::ios::cur);  
         return 1;  
        }  
     } else {  
       if (InputFile->eof()) {  
         throw Exception("Extra bytes over the last packets");  
       } else {  
         subIndex = 0;  
       }  
     }  
   } */  
284    while (!InputFile->eof()) {    while (!InputFile->eof()) {
285      InputFile->read(buffer, sizeof(buffer));      InputFile->read(buffer, sizeof(buffer));
286      index = 0;      index = 0;
287      ++loop;      loop++;
288      while (index < buffSize){      while (index < buffSize){
289          dataByte = buffer[index++];          dataByte = buffer[index++];
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*loop)), 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);
304              subIndex = 0;              subIndex = 0;
305          }          }
306      }      }
307    }      //Needs to guarantee the overap of the buffer(s) in several loop
308    return 0;      flagOverPad = true;
309        InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);
310      }
311      return false;
312  }  }
313    
314  ClassImp(EventReader)  ClassImp(EventReader)
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