/[PAMELA software]/yoda/techmodel/EventReader.cpp
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revision 2.1 by kusanagi, Wed Sep 22 13:14:03 2004 UTC revision 3.1 by kusanagi, Sun Mar 6 04:29:20 2005 UTC
# Line 1  Line 1 
1  /** @file  /** @file
2   * $Author: kusanagi $   * $Author: kusanagi $
3   * $Date: 2004/09/21 20:50:54 $   * $Date: 2005/03/04 15:54:11 $
4   * $Revision: 2.0 $   * $Revision: 3.0 $
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 9  Line 9 
9    
10  #include <log4cxx/logger.h>  #include <log4cxx/logger.h>
11  #include <fstream>  #include <fstream>
 #include "TechmodelAlgorithm.h"  
12  #include "EventReader.h"  #include "EventReader.h"
13  #include "ReaderAlgorithms.h"  #include "ReaderAlgorithms.h"
14  #include "Exception.h"  
15  #include "stdio.h"  
16  extern "C" {  extern "C" {
17  #include "CRC.h"      #include "CRC.h"
18  }  }
19    
 #define BYTE unsigned char  
   
20  using namespace pamela;  using namespace pamela;
21  using namespace pamela::techmodel;  using namespace pamela::techmodel;
22    
# Line 35  unsigned int EventReader::prevPckOBT     Line 32  unsigned int EventReader::prevPckOBT    
32   */   */
33  EventReader::EventReader(int packetsLimit = -1):  EventReader::EventReader(int packetsLimit = -1):
34    TechmodelAlgorithm(0, "TechmodelEventReader"){    TechmodelAlgorithm(0, "TechmodelEventReader"){
 //EventReader::EventReader(void):  
 //  TechmodelAlgorithm(0, "TechmodelEventReader") {  
35    EventReader::maxPackets = packetsLimit;    EventReader::maxPackets = packetsLimit;
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::CalibTrkBoth,    new CalibTrkBothReader));
44    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk1,       new CalibTrk1Reader));
45    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrk2,       new CalibTrk2Reader));
46    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd,        new CalibTrdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrd,        new CalibTrdReader));
47    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTof,        new CalibTofReader));
48    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibS4,         new CalibS4Reader));
49    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,     new CalibCalPedReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibCalPed,     new CalibCalPedReader));
50    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibAc,         new CalibAcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac1,      new Calib1_Ac1Reader));
51    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac1,      new Calib2_Ac1Reader));
52    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib1_Ac2,      new Calib1_Ac2Reader));
53    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Calib2_Ac2,      new Calib2_Ac2Reader));
54    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer,    new CalibTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunHeader,       new RunHeaderReader));
55    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader,      new InitHeaderReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::RunTrailer,      new RunTrailerReader));
56    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibHeader,     new CalibHeaderReader));
57    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk,        new EventTrkReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalibTrailer,    new CalibTrailerReader));
58    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTrk,         new TestTrkReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitHeader,      new InitHeaderReader));
59    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTof,         new TestTofReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::InitTrailer,     new InitTrailerReader));
60    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::EventTrk,        new EventTrkReader));
61    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTrk,         new TestTrkReader));
62    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TestTof,         new TestTofReader));
63    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Log,             new LogReader));
64    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::VarDump,         new VarDumpReader));
65    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ArrDump,         new ArrDumpReader));
66    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TabDump,         new TabDumpReader));
67    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcInit,          new AcInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Tmtc,            new TmtcReader));
68    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Mcmd,            new McmdReader));
69    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::ForcedFECmd,     new ForcedFECmdReader));
70    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac1Init,         new Ac1InitReader));
71    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalInit,         new CalInitReader));
72    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkInit,         new TrkInitReader));
73    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofInit,         new TofInitReader));
74    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgInit,         new TrgInitReader));
75    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::NdInit,          new NdInitReader));
76    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader()));    TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Init,          new S4InitReader));
77      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::Ac2Init,         new Ac2InitReader));
78      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::CalAlarm,        new CalAlarmReader));
79      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::AcAlarm,         new AcAlarmReader));
80      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrkAlarm,        new TrkAlarmReader));
81      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TrgAlarm,        new TrgAlarmReader));
82      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TofAlarm,        new TofAlarmReader));
83      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::S4Alarm,         new S4AlarmReader));
84      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbT,            new TsbTReader));
85      TechmodelAlgorithmMap.insert(AlgorithmMap::value_type(PacketType::TsbB,            new TsbBReader));
86  }  }
87    
88  /**  /**
# Line 86  EventReader::EventReader(int packetsLimi Line 90  EventReader::EventReader(int packetsLimi
90   */   */
91  std::string EventReader::GetVersionInfo(void) const {  std::string EventReader::GetVersionInfo(void) const {
92    return    return
93      "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 2.0 2004/09/21 20:50:54 kusanagi Exp $\n";      "$Header: /home/cvsmanager/yoda/techmodel/EventReader.cpp,v 3.0 2005/03/04 15:54:11 kusanagi Exp $\n";
94  }  }
95    
96  /**  /**
# Line 94  std::string EventReader::GetVersionInfo( Line 98  std::string EventReader::GetVersionInfo(
98   * event reader routines for all packet types.   * event reader routines for all packet types.
99   */   */
100  void EventReader::Init(PamelaRun *run) {  void EventReader::Init(PamelaRun *run) {
     std::stringstream oss;  
     logger->debug(_T("Initialize"));  
101      SetInputStream(run);      SetInputStream(run);
102            
103      //Create the structure of directories and create xxx.Header.root files      //Create the structure of directories and create xxx.Header.root files
# Line 104  void EventReader::Init(PamelaRun *run) { Line 106  void EventReader::Init(PamelaRun *run) {
106      //Create the xxx.root in it's specific directory      //Create the xxx.root in it's specific directory
107      for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();      for (AlgorithmMap::iterator i = TechmodelAlgorithmMap.begin();
108         i != TechmodelAlgorithmMap.end(); i++) {         i != TechmodelAlgorithmMap.end(); i++) {
109         oss.flush();         oss.str("");
110         oss << "Initializing algo " << i->second->GetAlgorithmName();         oss << "Initializing algo " << i->second->GetAlgorithmName();
        //cout << "Initializing algo " << i->second->GetAlgorithmName();  
111         logger->debug(oss.str().c_str());         logger->debug(oss.str().c_str());
112         i->second->Init(run);         i->second->Init(run);
113      }      }
# Line 122  static void SkipToNextHeader(ifstream *) Line 123  static void SkipToNextHeader(ifstream *)
123    
124  // 15 June 2004 ---note------------------  // 15 June 2004 ---note------------------
125  // A nice refacoring would require to not read again the packet data (which is  // A nice refacoring would require to not read again the packet data (which is
126  // read in the UnpackPscuHeader() and put directly in the  // read in the UnpackPscuHeader() and put directly in  the
127  // EventAlgorithm->RunEvent(....) directly the data inside the packet.... will see later....  // EventAlgorithm->RunEvent(....) directly the data inside the packet.... will see later....
128  // 15 June 2004 ---note------------------  // 15 June 2004 ---note------------------
129  void EventReader::RunEvent(int EventNumber) {  void EventReader::RunEvent(int EventNumber) {
# Line 130  void EventReader::RunEvent(int EventNumb Line 131  void EventReader::RunEvent(int EventNumb
131    //to insert a GetPacketStart()    //to insert a GetPacketStart()
132    stringstream oss;    stringstream oss;
133    int step = 0;    int step = 0;
134      const PacketType* type;
135    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){    while (!InputFile->eof() && ((step++ < maxPackets) || (maxPackets == 0))){
136      try {      try {
137        if (FindStart()) {        if (FindStart()) {
138          if(UnpackPscuHeader()){              UnpackPscuHeader();
139              const PacketType* type = Header->GetPscuHeader()->GetPacketType();              type = Header->GetPscuHeader()->GetPacketType();
140              AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);              AlgorithmMap::iterator i = TechmodelAlgorithmMap.find(type);
141              if (i != TechmodelAlgorithmMap.end()) {              if (i != TechmodelAlgorithmMap.end()) {
142                  TechmodelAlgorithm *EventAlgorithm = i->second;                  TechmodelAlgorithm *EventAlgorithm(i->second);
143                  EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());                  EventAlgorithm->RunEvent(EventNumber, Header->GetPscuHeader()->GetPacketLenght());
144                  Run->FillTrees(type);                  Run->FillTrees(type);
145                  Header->GetCounter()->Increment(type);                  Header->GetCounter()->Increment(type);
146                    logger->info(Header->GetPscuHeader()->Print());
147              } else {              } else {
148                  oss.flush();                  oss.str("");
149                  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();
150                  logger->info(oss.str().c_str());                  throw NotExistingAlgorithmException(oss.str().c_str()); //to exctract to an higher level and delete the logger!
151              throw Exception("No way to read events of type " + type->GetName());              }
152          }        }
153        } //else {      // In case of exception have to save the packet in a specific root file??
154          //**TO BE DONE**   <<WRONG CRC l --- LOST PACKET>>//      } catch (NotExistingAlgorithmException exc) {
155          //Have to be defined a "WrongCRC" packet::Type?        oss.str("");
156          //}        oss << exc.print() << " " << Header->GetPscuHeader()->Print();
157       }        logger->error(oss.str().c_str());
158        } catch (WrongCRCHeaderException exc) {
159          oss.str("");
160          oss << exc.print();
161          logger->error(oss.str().c_str());
162        } catch (WrongCRCException exc) {
163          oss.str("");
164          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
165          logger->error(oss.str().c_str());
166        } catch (UnidentifiedPacketException exc) {
167          oss.str("");
168          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
169          logger->error(oss.str().c_str());
170        } catch (NotExistingCounterException exc) {
171          oss.str("");
172          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
173          logger->error(oss.str().c_str());
174        } catch (LengthException exc) {
175          oss.str("");
176          oss << exc.print() << " " << Header->GetPscuHeader()->Print();
177          logger->error(oss.str().c_str());
178      } catch (...) {      } catch (...) {
179        //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.");  
180      }      }
181      if ((step%1000) == 0) std::cout << step/1000 << "K \n";      if ((step%1000) == 0) std::cout << step/1000 << "K \n";
182        oss.str("");
183        oss << "----endPck " << Header->GetPscuHeader()->GetCounter() << "\n";
184        logger->info(oss.str().c_str());
185    }    }
186      Header->GetCounter()->PrintCounters();      Header->GetCounter()->PrintCounters();
187  }  }
# Line 170  static void SkipToNextHeader(ifstream* T Line 195  static void SkipToNextHeader(ifstream* T
195  /**  /**
196   * Unpack the PSCU header from a file into the structure.   * Unpack the PSCU header from a file into the structure.
197   */   */
198  int EventReader::UnpackPscuHeader(void) throw (std::exception) {  void EventReader::UnpackPscuHeader(void) throw (WrongCRCHeaderException, LengthException) {
199    stringstream oss;    stringstream oss;
200    int response;    int response = false;
201    char buff[16];    char buff[16];
202    InputFile->read(buff, sizeof(buff));    InputFile->read(buff, sizeof(buff));
203        
# Line 186  int EventReader::UnpackPscuHeader(void) Line 211  int EventReader::UnpackPscuHeader(void)
211    unsigned char FileOffset   = buff[15];    unsigned char FileOffset   = buff[15];
212    
213    if (Counter < prevPckCounter){    if (Counter < prevPckCounter){
214      oss.flush();      oss.str("");
215      oss << "Packet counter is less than before of " << (prevPckCounter - Counter);      oss << "Packet counter is less than before of " << (prevPckCounter - Counter);
216      logger->info(oss.str().c_str());      logger->error(oss.str().c_str());
217      }
218    
219      if (Counter > prevPckCounter + 1){
220        oss.str("");
221        oss << "Packet counter is greater than before of " << (Counter - prevPckCounter);
222        logger->error(oss.str().c_str());
223      }
224      
225      if ((OrbitalTime == prevPckOBT) & (PacketId1 == 0x10)){
226        oss.str("");
227        oss << "Onboard Time of this packet is equal to the previous packet OBT";
228        logger->error(oss.str().c_str());
229        logger->error(Header->GetPscuHeader()->Print());
230    }    }
231    
232    if (OrbitalTime < prevPckOBT){    if (OrbitalTime < prevPckOBT){
233      oss.flush();      oss.str("");
234      oss << " Orbital Time is less than before of " << (prevPckOBT - OrbitalTime);      oss << " Onboard Time is less than before of " << (prevPckOBT - OrbitalTime);
235      logger->info(oss.str().c_str());      logger->error(oss.str().c_str());
236    }    }
237    
   
238    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)){
239      prevPckCounter = Counter;      prevPckCounter = Counter;
240      prevPckOBT     = OrbitalTime;      prevPckOBT     = OrbitalTime;
# Line 214  int EventReader::UnpackPscuHeader(void) Line 251  int EventReader::UnpackPscuHeader(void)
251            
252      //commented out because of the above test code      //commented out because of the above test code
253      InputFile->seekg(Header->GetPscuHeader()->GetPacketLenght(), std::ios::cur);      InputFile->seekg(Header->GetPscuHeader()->GetPacketLenght(), std::ios::cur);
254      FindStart();      if (FindStart()) {
255      finalPos =  (long int)InputFile->tellg() - (1 + initPos + (long int)(Header->GetPscuHeader()->GetPacketLenght()));          finalPos =  (long int)InputFile->tellg() - (initPos + (long int)(Header->GetPscuHeader()->GetPacketLenght()));
256          if(finalPos == 0){          if(finalPos == 0){
257              logger->debug(_T("Correct packet length"));              logger->debug(_T(" Correct packet length"));
258              }              }
259          if (finalPos > 0 && finalPos < 64) {          if (finalPos > 0 && finalPos < 64) {
260              oss.flush();              oss.str("");
261              oss << " Correct packet length: Padded of " << finalPos << " bytes";              oss << "Correct packet length: Padded of " << finalPos << " bytes";
262              logger->warn(oss.str().c_str());              logger->debug(oss.str().c_str());
263          }          }
264          if (finalPos > 64){          if (finalPos > 64){
265              logger->warn(_T(" Wrong packet length? (because of wrong padding?)"));              oss.str("");
266                oss << "\n The begin of the next packet is far more than 64 byte from the end of the previous."
267                    << "\n Below the is the now unpacking packet";
268                logger->error(oss.str().c_str());
269                logger->error(Header->GetPscuHeader()->Print());
270                //throw LengthException("The begin of the next packet is far more than 64 byte from the end of the previous.");
271          }          }
272        }
273        else {
274            logger->debug(_T(" END OF FILE"));        
275        }
276            
277          InputFile->seekg(initPos, std::ios::beg);          InputFile->seekg(initPos, std::ios::beg);
         response =  true;  
278    } else {    } else {
279      logger->warn(_T(" WRONG CRC FOR HEADER "));       /*Here i should extract the block of Data for later analysis */
280      InputFile->seekg(-(13), std::ios::cur);      InputFile->seekg(-(13), std::ios::cur);
281      response =  false;      oss.str("");
282        oss << "CRC Header Error on packet:" << PscuHeader::Print(buff);
283        throw WrongCRCHeaderException(oss.str().c_str());
284    }    }
285      char tmpId1[4];  
286    /*    char tmpId1[4];
287      char tmpId2[4];      char tmpId2[4];
288      char tmpLength[12];      char tmpLength[12];
289      char tmpStart[100];      char tmpStart[100];
# Line 252  int EventReader::UnpackPscuHeader(void) Line 301  int EventReader::UnpackPscuHeader(void)
301          <<  "\n CRC                      : "  <<  tmpCRC          <<  "\n CRC                      : "  <<  tmpCRC
302          <<  "\n Header Start Position    : "  <<  tmpStart;          <<  "\n Header Start Position    : "  <<  tmpStart;
303      logger->info(oss.str().c_str());      logger->info(oss.str().c_str());
304    return response;  */
305  }  }
306    
307  /**  /**
# Line 265  void EventReader::UnpackPscuTrailer(void Line 314  void EventReader::UnpackPscuTrailer(void
314  /**  /**
315   * 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
316   */   */
317  int EventReader::FindStart(void) throw (std::exception) {  bool EventReader::FindStart(void) throw (std::exception) {
318  //search an hexadecimal sequence in a file  //search an hexadecimal sequence in a file
319  //subSign    ------> pointer to the sequence buffer  //subSign    ------> pointer to the sequence buffer
320  //subSignDim ------> dimension of the buffer  //subSignDim ------> dimension of the buffer
# Line 273  int EventReader::FindStart(void) throw ( Line 322  int EventReader::FindStart(void) throw (
322  // return true if founds a match (else false)  // return true if founds a match (else false)
323  // subF point rigth after the match, if found. Else EOF.  // subF point rigth after the match, if found. Else EOF.
324  //Maurizio 15/11/2002-----------------------  //Maurizio 15/11/2002-----------------------
325    const unsigned char subSign[3]={0xFA, 0xFE, 0xDE};    const int subSignDim = 3;
326    int subSignDim = 3;    const unsigned char subSign[subSignDim]={0xFA, 0xFE, 0xDE};
327  //------------------------------------------  //------------------------------------------
328    int subIndex = 0;    int subIndex = 0;
329    char dataByte;    char dataByte;
330    
331    int  buffSize = 100;    int  buffSize = 100;
332    int  index = 0;    int  index = 0;
333    int  loop = 0;    int  loop = -1;
334    char buffer[buffSize];    char buffer[buffSize];
335    
   /* 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;  
       }  
     }  
   } */  
336    while (!InputFile->eof()) {    while (!InputFile->eof()) {
337      InputFile->read(buffer, sizeof(buffer));      InputFile->read(buffer, sizeof(buffer));
338      index = 0;      index = 0;
339      ++loop;      loop++;
340      while (index < buffSize){      while (index < buffSize){
341          dataByte = buffer[index++];          dataByte = buffer[index++];
342          if (dataByte == (char)(*(subSign+subIndex))){          if (dataByte == (char)(*(subSign+subIndex))){
343              if (subIndex++ == (subSignDim-1)) {              if (subIndex++ == (subSignDim-1)) {
344                  InputFile->seekg( (index - subIndex - (buffSize*loop)), std::ios::cur);                  InputFile->seekg( (index - (subIndex + buffSize)), std::ios::cur);
345              return 1;                  return true;
346              }              }
347          } else {          } else {
348                index = index - (subIndex);
349              subIndex = 0;              subIndex = 0;
350          }          }
351      }      }
352    }      //Needs to guarantee the overap of the buffer(s) in several loop
353    return 0;      InputFile->seekg( (-1)*(subSignDim + 1) , std::ios::cur);
354      }
355      return false;
356  }  }
357    
358  ClassImp(EventReader)  ClassImp(EventReader)
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