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 "AliRawDataHeader.h"
  34 #include "AliDAQ.h"
  35
  36 ClassImp(AliTPCDDLRawData)
  37 ////////////////////////////////////////////////////////////////////////////////////////
  38
  39 AliTPCDDLRawData::AliTPCDDLRawData(const AliTPCDDLRawData &source):
  40   TObject(source),
  41   fVerbose(0)
  42 {
  43   // Copy Constructor
  44   fVerbose=source.fVerbose;
  45   return;
  46 }
  47
  48 AliTPCDDLRawData& AliTPCDDLRawData::operator=(const AliTPCDDLRawData &source){
  49   //Assigment operator
  50   fVerbose=source.fVerbose;
  51   return *this;
  52 }
  53
  54
  55 ////////////////////////////////////////////////////////////////////////////
  56 void AliTPCDDLRawData::RawData(const char* inputFileName){
  57   //Raw data generation
  58   //Number of DDL=2*36+4*36=216
  59   //2 DDL for each inner sector
  60   //4 DDL for each outer sector
  61   ifstream f;
  62 #ifndef __DECCXX
  63   f.open(inputFileName,ios::binary);
  64 #else
  65   f.open(inputFileName);
  66 #endif
  67   if(!f){Error("RawData", "File doesn't exist !!");return;}
  68   struct DataPad{
  69     Int_t Sec;
  70     Int_t SubSec;
  71     Int_t Row;
  72     Int_t Pad;
  73     Int_t Dig;
  74     Int_t Time;
  75   };
  76   DataPad data;
  77
  78   //AliAltroBuffer is used in write mode to generate raw data file
  79   char  filename[15];
  80   Int_t ddlNumber=0;
  81   AliAltroBuffer *buffer=NULL;
  82   Int_t pSecNumber=-1;  //Previous Sector number
  83   Int_t pRowNumber=-1;  //Previous Row number
  84   Int_t pPadNumber=-1;  //Previous Pad number
  85   Int_t pTimeBin=-1;    //Previous Time-Bin
  86   Int_t pSubSector=-1;  //Previous Sub Sector
  87   Int_t bunchLength=0;
  88   Int_t nwords=0;
  89   UInt_t numPackets=0;
  90
  91   TString path = gSystem->Getenv("ALICE_ROOT");
  92   path += "/TPC/mapping/Patch";
  93   TString path2;
  94   AliTPCAltroMapping *mapping[6];
  95   for(Int_t i = 0; i < 6; i++) {
  96     path2 = path;
  97     path2 += i;
  98     path2 += ".data";
  99     mapping[i] = new AliTPCAltroMapping(path2.Data());
 100   }
 101
 102
 103   while (f.read((char*)(&data),sizeof(data))){
 104     if (pPadNumber==-1){
 105       pSecNumber=data.Sec;
 106       pRowNumber=data.Row;
 107       pPadNumber=data.Pad;
 108       pTimeBin=data.Time;
 109       pSubSector=data.SubSec;
 110
 111       if(data.Sec<36)
 112         ddlNumber=data.Sec*2+data.SubSec;
 113       else
 114         ddlNumber=72+(data.Sec-36)*4+data.SubSec;
 115       strcpy(filename,AliDAQ::DdlFileName("TPC",ddlNumber));
 116       Int_t patchIndex = data.SubSec;
 117       if(data.Sec>=36) patchIndex += 2;
 118       buffer=new AliAltroBuffer(filename,mapping[patchIndex]);
 119       //size magic word sector number sub-sector number 0 for TPC 0 for uncompressed
 120       buffer->WriteDataHeader(kTRUE,kFALSE);//Dummy;
 121       bunchLength=1;
 122       buffer->FillBuffer(data.Dig);
 123       nwords++;
 124     }//end if
 125     else{
 126       if ( (data.Time==(pTimeBin+1)) &&
 127            (pPadNumber==data.Pad) &&
 128            (pRowNumber==data.Row) &&
 129            (pSecNumber==data.Sec)){
 130         bunchLength++;
 131       }//end if
 132       else{
 133         buffer->FillBuffer(pTimeBin);
 134         buffer->FillBuffer(bunchLength+2);
 135         nwords+=2;
 136         if ((pPadNumber!=data.Pad)||(pRowNumber!=data.Row)||(pSecNumber!=data.Sec)){
 137           //Trailer is formatted and inserted!!
 138           buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
 139           numPackets++;
 140           nwords=0;
 141
 142           if(pSubSector!=data.SubSec){
 143             //size magic word sector number sub-sector number 0 for TPC 0 for uncompressed
 144             buffer->Flush();
 145             buffer->WriteDataHeader(kFALSE,kFALSE);
 146             //cout<<"Data header for DDL:"<<PSecNumber<<" Sub-sec:"<<PSubSector<<endl;
 147             delete buffer;
 148
 149             if(data.Sec<36)
 150               ddlNumber=data.Sec*2+data.SubSec;
 151             else
 152               ddlNumber=72+(data.Sec-36)*4+data.SubSec;
 153             strcpy(filename,AliDAQ::DdlFileName("TPC",ddlNumber));
 154             Int_t patchIndex = data.SubSec;
 155             if(data.Sec>=36) patchIndex += 2;
 156             buffer=new AliAltroBuffer(filename,mapping[patchIndex]);
 157             buffer->WriteDataHeader(kTRUE,kFALSE);//Dummy;
 158             pSubSector=data.SubSec;
 159           }//end if
 160         }//end if
 161
 162         bunchLength=1;
 163         pPadNumber=data.Pad;
 164         pRowNumber=data.Row;
 165         pSecNumber=data.Sec;
 166       }//end else
 167       pTimeBin=data.Time;
 168       buffer->FillBuffer(data.Dig);
 169       nwords++;
 170     }//end else
 171   }//end while
 172   if (buffer) {
 173     buffer->FillBuffer(pTimeBin);
 174     buffer->FillBuffer(bunchLength+2);
 175     nwords+=2;
 176     buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
 177     //write the  D.H.
 178     buffer->Flush();
 179     buffer->WriteDataHeader(kFALSE,kFALSE);
 180     //cout<<"Data header for D D L:"<<pSecNumber<<" Sub-sec:"<<pSubSector<<endl;
 181     delete buffer;
 182   }
 183
 184   for(Int_t i = 0; i < 6; i++) delete mapping[i];
 185
 186   f.close();
 187   return;
 188 }