TPC/AliTPCDDLRawData.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15 /* $Id$ */
  16
  17
  18 //This class conteins all the methods to create raw data
  19 //as par a given DDL.
  20 //It produces DDL with both compressed and uncompressed format.
  21 //For compression we use the optimized table wich needs
  22 //to be provided.
  23
  24 #include <TObjArray.h>
  25 #include <TString.h>
  26 #include <TSystem.h>
  27 #include <Riostream.h>
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include "AliAltroBuffer.h"
  31 #include "AliTPCAltroMapping.h"
  32 #include "AliTPCDDLRawData.h"
  33 #include "AliDAQ.h"
  34
  35 ClassImp(AliTPCDDLRawData)
  36 ////////////////////////////////////////////////////////////////////////////////////////
  37
  38 AliTPCDDLRawData::AliTPCDDLRawData(const AliTPCDDLRawData &source):
  39   TObject(source),
  40   fVerbose(0)
  41 {
  42   // Copy Constructor
  43   fVerbose=source.fVerbose;
  44   return;
  45 }
  46
  47 AliTPCDDLRawData& AliTPCDDLRawData::operator=(const AliTPCDDLRawData &source){
  48   //Assigment operator
  49   fVerbose=source.fVerbose;
  50   return *this;
  51 }
  52
  53
  54 ////////////////////////////////////////////////////////////////////////////
  55 void AliTPCDDLRawData::RawData(const char* inputFileName){
  56   //Raw data generation
  57   //Number of DDL=2*36+4*36=216
  58   //2 DDL for each inner sector
  59   //4 DDL for each outer sector
  60   ifstream f;
  61 #ifndef __DECCXX
  62   f.open(inputFileName,ios::binary);
  63 #else
  64   f.open(inputFileName);
  65 #endif
  66   if(!f){Error("RawData", "File doesn't exist !!");return;}
  67   struct DataPad{
  68     Int_t Sec;
  69     Int_t SubSec;
  70     Int_t Row;
  71     Int_t Pad;
  72     Int_t Dig;
  73     Int_t Time;
  74   };
  75   DataPad data;
  76
  77   //AliAltroBuffer is used in write mode to generate raw data file
  78   char  filename[15];
  79   Int_t ddlNumber=0;
  80   AliAltroBuffer *buffer=NULL;
  81   Int_t pSecNumber=-1;  //Previous Sector number
  82   Int_t pRowNumber=-1;  //Previous Row number
  83   Int_t pPadNumber=-1;  //Previous Pad number
  84   Int_t pTimeBin=-1;    //Previous Time-Bin
  85   Int_t pSubSector=-1;  //Previous Sub Sector
  86   Int_t bunchLength=0;
  87   Int_t nwords=0;
  88   UInt_t numPackets=0;
  89
  90   TString path = gSystem->Getenv("ALICE_ROOT");
  91   path += "/TPC/mapping/Patch";
  92   TString path2;
  93   AliTPCAltroMapping *mapping[6];
  94   for(Int_t i = 0; i < 6; i++) {
  95     path2 = path;
  96     path2 += i;
  97     path2 += ".data";
  98     mapping[i] = new AliTPCAltroMapping(path2.Data());
  99   }
 100
 101
 102   while (f.read((char*)(&data),sizeof(data))){
 103     if (pPadNumber==-1){
 104       pSecNumber=data.Sec;
 105       pRowNumber=data.Row;
 106       pPadNumber=data.Pad;
 107       pTimeBin=data.Time;
 108       pSubSector=data.SubSec;
 109
 110       if(data.Sec<36)
 111         ddlNumber=data.Sec*2+data.SubSec;
 112       else
 113         ddlNumber=72+(data.Sec-36)*4+data.SubSec;
 114       strcpy(filename,AliDAQ::DdlFileName("TPC",ddlNumber));
 115       Int_t patchIndex = data.SubSec;
 116       if(data.Sec>=36) patchIndex += 2;
 117       buffer=new AliAltroBuffer(filename,mapping[patchIndex]);
 118       //size magic word sector number sub-sector number 0 for TPC 0 for uncompressed
 119       buffer->WriteDataHeader(kTRUE,kFALSE);//Dummy;
 120       bunchLength=1;
 121       buffer->FillBuffer(data.Dig);
 122       nwords++;
 123     }//end if
 124     else{
 125       if ( (data.Time==(pTimeBin+1)) &&
 126            (pPadNumber==data.Pad) &&
 127            (pRowNumber==data.Row) &&
 128            (pSecNumber==data.Sec)){
 129         bunchLength++;
 130       }//end if
 131       else{
 132         buffer->FillBuffer(pTimeBin);
 133         buffer->FillBuffer(bunchLength+2);
 134         nwords+=2;
 135         if ((pPadNumber!=data.Pad)||(pRowNumber!=data.Row)||(pSecNumber!=data.Sec)){
 136           //Trailer is formatted and inserted!!
 137           buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
 138           numPackets++;
 139           nwords=0;
 140
 141           if(pSubSector!=data.SubSec){
 142             //size magic word sector number sub-sector number 0 for TPC 0 for uncompressed
 143             buffer->Flush();
 144             buffer->WriteDataHeader(kFALSE,kFALSE);
 145             //cout<<"Data header for DDL:"<<PSecNumber<<" Sub-sec:"<<PSubSector<<endl;
 146             delete buffer;
 147
 148             if(data.Sec<36)
 149               ddlNumber=data.Sec*2+data.SubSec;
 150             else
 151               ddlNumber=72+(data.Sec-36)*4+data.SubSec;
 152             strcpy(filename,AliDAQ::DdlFileName("TPC",ddlNumber));
 153             Int_t patchIndex = data.SubSec;
 154             if(data.Sec>=36) patchIndex += 2;
 155             buffer=new AliAltroBuffer(filename,mapping[patchIndex]);
 156             buffer->WriteDataHeader(kTRUE,kFALSE);//Dummy;
 157             pSubSector=data.SubSec;
 158           }//end if
 159         }//end if
 160
 161         bunchLength=1;
 162         pPadNumber=data.Pad;
 163         pRowNumber=data.Row;
 164         pSecNumber=data.Sec;
 165       }//end else
 166       pTimeBin=data.Time;
 167       buffer->FillBuffer(data.Dig);
 168       nwords++;
 169     }//end else
 170   }//end while
 171   if (buffer) {
 172     buffer->FillBuffer(pTimeBin);
 173     buffer->FillBuffer(bunchLength+2);
 174     nwords+=2;
 175     buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
 176     //write the  D.H.
 177     buffer->Flush();
 178     buffer->WriteDataHeader(kFALSE,kFALSE);
 179     //cout<<"Data header for D D L:"<<pSecNumber<<" Sub-sec:"<<pSubSector<<endl;
 180     delete buffer;
 181   }
 182
 183   for(Int_t i = 0; i < 6; i++) delete mapping[i];
 184
 185   f.close();
 186   return;
 187 }