[u/mrichter/AliRoot.git] / TPC / AliTPCDDLRawData.cxx

/**************************************************************************
 * Copyright(c) 1998-2003, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/
/* $Id$ */


//This class conteins all the methods to create raw data 
//as par a given DDL.
//It produces DDL with both compressed and uncompressed format.
//For compression we use the optimized table wich needs 
//to be provided.


#include "TObjArray.h"
#include "Riostream.h"
#include <stdio.h>
#include <stdlib.h>
#include "AliTPCCompression.h"
#include "AliTPCBuffer160.h"
#include "AliTPCDDLRawData.h"

ClassImp(AliTPCDDLRawData)
////////////////////////////////////////////////////////////////////////////////////////

AliTPCDDLRawData::AliTPCDDLRawData(const AliTPCDDLRawData &source){
  // Copy Constructor
  return;
}

AliTPCDDLRawData& AliTPCDDLRawData::operator=(const AliTPCDDLRawData &source){
  //Assigment operator
  return *this;
}


////////////////////////////////////////////////////////////////////////////
void AliTPCDDLRawData::RawData(Int_t LDCsNumber){
  //Raw data slides generation
  //Number of DDL=2*36+4*36=216
  //2 DDL for each inner sector
  //4 DDL for each outer sector
  Int_t ddlPerFile=216/LDCsNumber;
  Int_t offset=1;
  if (216%LDCsNumber) ddlPerFile++;
  cout<<"Number of DDL per slide: "<<ddlPerFile<<endl;
  ifstream f;
#ifndef __DECCXX
  f.open("AliTPCDDL.dat",ios::binary);
#else
  f.open("AliTPCDDL.dat");
#endif
  if(!f){cout<<"File doesn't exist !!"<<endl;return;}
  struct DataPad{
    Int_t Sec;
    Int_t SubSec;
    Int_t Row;
    Int_t Pad;
    Int_t Dig;
    Int_t Time;
  };
  DataPad data;

  //AliTPCBuffer160 is used in write mode to generate AltroFormat.dat file
  Int_t sliceNumber=1;
  char  filename[15];
  sprintf(filename,"TPCslice%d",sliceNumber); 
  cout<<"   Creating "<<filename<<endl;
  AliTPCBuffer160 *buffer=new AliTPCBuffer160(filename,1);

  ULong_t count=0;
  Int_t pSecNumber=-1;  //Previous Sector number
  Int_t pRowNumber=-1;  //Previous Row number  
  Int_t pPadNumber=-1;  //Previous Pad number
  Int_t pTimeBin=-1;    //Previous Time-Bin
  Int_t pSubSector=-1;  //Previous Sub Sector
  Int_t bunchLength=0;
  Int_t countDDL=0;
  Int_t nwords=0;
  ULong_t numPackets=0;
  while (f.read((char*)(&data),sizeof(data))){
    count++;
    if (pPadNumber==-1){
      pSecNumber=data.Sec;
      pRowNumber=data.Row;
      pPadNumber=data.Pad;
      pTimeBin=data.Time;
      pSubSector=data.SubSec;
      //size magic word sector number sub-sector number 0 for TPC 0 for uncompressed
      buffer->WriteMiniHeader(0,pSecNumber,pSubSector,0,0);//Dummy;
      bunchLength=1;
      buffer->FillBuffer(data.Dig-offset);
      nwords++;
    }//end if
    else{
      if ( (data.Time==(pTimeBin+1)) &&
	   (pPadNumber==data.Pad) &&
	   (pRowNumber==data.Row) &&
	   (pSecNumber==data.Sec)){
	bunchLength++;
      }//end if
      else{
	buffer->FillBuffer(pTimeBin);
	buffer->FillBuffer(bunchLength+2);
	nwords+=2;
	if ((pPadNumber!=data.Pad)||(pRowNumber!=data.Row)||(pSecNumber!=data.Sec)){
	  //Trailer is formatted and inserted!!
	  buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
	  numPackets++;
	  nwords=0;

	  if(pSubSector!=data.SubSec){
	    countDDL++;
	    if(countDDL==ddlPerFile){
	      //size magic word sector number sub-sector number 0 for TPC 0 for uncompressed
	      buffer->Flush();
	      buffer->WriteMiniHeader(1,pSecNumber,pSubSector,0,0);
	      //cout<<"Mini header for DDL:"<<PSecNumber<<" Sub-sec:"<<PSubSector<<endl;
	      delete buffer;
	      sliceNumber++;
	      sprintf(filename,"TPCslice%d",sliceNumber);
	      cout<<"   Creating "<<filename<<endl;
	      buffer=new AliTPCBuffer160(filename,1);
	      buffer->WriteMiniHeader(0,data.Sec,data.SubSec,0,0);//Dummy;
	      countDDL=0;
	    }//end if
	    else{
	      buffer->Flush();
	      buffer->WriteMiniHeader(1,pSecNumber,pSubSector,0,0);
	      buffer->WriteMiniHeader(0,data.Sec,data.SubSec,0,0);//Dummy;
	    }
	    pSubSector=data.SubSec;
	  }//end if
	}//end if
	
	bunchLength=1;
	pPadNumber=data.Pad;
	pRowNumber=data.Row;
	pSecNumber=data.Sec;
      }//end else
      pTimeBin=data.Time;
      buffer->FillBuffer(data.Dig-offset);
      nwords++;
    }//end else
  }//end while
  buffer->FillBuffer(pTimeBin);
  buffer->FillBuffer(bunchLength+2);
  nwords+=2;
  buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
  //write the  M.H.
  buffer->Flush();
  buffer->WriteMiniHeader(1,pSecNumber,pSubSector,0,0);
  //cout<<"Mini header for D D L:"<<pSecNumber<<" Sub-sec:"<<pSubSector<<endl;
  delete buffer;
  cout<<"Number of digits: "<<count<<endl;
  f.close();
  return;
}
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////


Int_t AliTPCDDLRawData::RawDataCompDecompress(Int_t LDCsNumber,Int_t Comp){
  //This method is used to compress and decompress the slides
  static const Int_t kNumTables=5;
  char filename[20];
  char dest[20];
  fstream f;
  ULong_t size=0;
  //Int_t MagicWord,DDLNumber,SecNumber,SubSector,Detector;
  Int_t flag=0;
  for(Int_t i=1;i<=LDCsNumber;i++){
    if(!Comp){
      sprintf(filename,"TPCslice%d",i);
      sprintf(dest,"TPCslice%d.comp",i);
    }
    else{
      sprintf(filename,"TPCslice%d.comp",i);
      sprintf(dest,"TPCslice%d.decomp",i);
    }
#ifndef __DECCXX
    f.open(filename,ios::binary|ios::in);
#else
    f.open(filename,ios::in);
#endif
    if(!f){cout<<"File doesn't exist \n";exit(1);}
    cout<<filename<<"  "<<dest<<endl;
    ofstream fdest;
#ifndef __DECCXX
    fdest.open(dest,ios::binary);
#else
    fdest.open(dest);
#endif
    //loop over the DDL block 
    //Each block contains a Mini Header followed by raw data (ALTRO FORMAT)
    //The number of block is ceil(216/LDCsNumber)
    ULong_t miniHeader[3];
    //here the Mini Header is read
    while( (f.read((char*)(miniHeader),sizeof(ULong_t)*3)) ){
      size=miniHeader[0];
      //Int_t dim=sizeof(ULong_t)+sizeof(Int_t)*5;
      //cout<<" Sec "<<SecNumber<<" SubSector "<<SubSector<<" size "<<size<<endl;
      //open the temporay File
      ofstream fo;
      char temp[15]="TempFile";
#ifndef __DECCXX
      fo.open(temp,ios::binary);
#else
      fo.open(temp);
#endif
      Int_t car=0;
      for(ULong_t j=0;j<size;j++){
	f.read((char*)(&car),1);
	fo.write((char*)(&car),1);
      }//end for
      fo.close();
      //The temp file is compressed or decompressed
      AliTPCCompression *util = new AliTPCCompression();
      //      util->SetVerbose(1);
      if(!Comp)
	util->CompressDataOptTables(kNumTables,temp,"TempCompDecomp");
      else
	util->DecompressDataOptTables(kNumTables,temp,"TempCompDecomp");
      delete util;
      //the temp compressed file is open and copied to the final file fdest
      ifstream fi;
#ifndef __DECCXX
      fi.open("TempCompDecomp",ios::binary);
#else
      fi.open("TempCompDecomp");
#endif
      fi.seekg(0,ios::end);
      size=fi.tellg();
      fi.seekg(0);
      //The Mini Header is updated (size and Compressed flag) 
      //and written into the output file
      miniHeader[0]=size;
      if(!Comp)
	flag=1;
      else
	flag=0;
      ULong_t aux=0x0;
      flag<<=8;
      aux|=flag;
      miniHeader[2]=miniHeader[2]|aux;
      fdest.write((char*)(miniHeader),sizeof(ULong_t)*3);
      //The compressem temp file is copied into the output file fdest
      for(ULong_t j=0;j<size;j++){
	fi.read((char*)(&car),1);
	fdest.write((char*)(&car),1);
      }//end for
      fi.close();
    }//end while
    f.clear();
    f.close();
    fdest.close();
    remove("TempFile");
    remove("TempCompDecomp");
  }//end for
  return 0;
}

/////////////////////////////////////////////////////////////////////////////////
void AliTPCDDLRawData::RawDataAltro()const{
  //This method is used to build the Altro format from AliTPCDDL.dat
  //It is used to debug the code and create the tables used in the compresseion phase
  Int_t offset=1;
  ifstream f;
#ifndef __DECCXX
  f.open("AliTPCDDL.dat",ios::binary);
#else
  f.open("AliTPCDDL.dat");
#endif
  if(!f){cout<<"File doesn't exist !!"<<endl;return;}
  struct DataPad{
    Int_t Sec;
    Int_t SubSec;
    Int_t Row;
    Int_t Pad;
    Int_t Dig;
    Int_t Time;
  };
  DataPad data;

  //AliTPCBuffer160 is used in write mode to generate AltroFormat.dat file
  char  filename[30]="AltroFormatDDL.dat";
  cout<<"   Creating "<<filename<<endl;
  AliTPCBuffer160 *buffer=new AliTPCBuffer160(filename,1);

  ULong_t count=0;
  Int_t pSecNumber=-1;  //Previous Sector number
  Int_t pRowNumber=-1;  //Previous Row number  
  Int_t pPadNumber=-1;  //Previous Pad number
  Int_t pTimeBin=-1;    //Previous Time-Bin
  Int_t bunchLength=0;
  Int_t nwords=0;
  ULong_t numPackets=0;
  while (f.read((char*)(&data),sizeof(data))){
    count++;
    if (pPadNumber==-1){
      pSecNumber=data.Sec;
      pRowNumber=data.Row;
      pPadNumber=data.Pad;
      pTimeBin=data.Time;
      bunchLength=1;
      buffer->FillBuffer(data.Dig-offset);
      nwords++;
    }//end if
    else{
      if ( (data.Time==(pTimeBin+1)) &&
	   (pPadNumber==data.Pad) &&
	   (pRowNumber==data.Row) &&
	   (pSecNumber==data.Sec)){
	bunchLength++;
      }//end if
      else{
	buffer->FillBuffer(pTimeBin);
	buffer->FillBuffer(bunchLength+2);
	nwords+=2;
	if ((pPadNumber!=data.Pad)||(pRowNumber!=data.Row)||(pSecNumber!=data.Sec)){
	  //Trailer is formatted and inserted!!
	  buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
	  numPackets++;
	  nwords=0;
	}//end if
	
	bunchLength=1;
	pPadNumber=data.Pad;
	pRowNumber=data.Row;
	pSecNumber=data.Sec;
      }//end else
      pTimeBin=data.Time;
      buffer->FillBuffer(data.Dig-offset);
      nwords++;
    }//end else
  }//end while
  buffer->FillBuffer(pTimeBin);
  buffer->FillBuffer(bunchLength+2);
  nwords+=2;
  buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
  delete buffer;
  cout<<"Number of digits: "<<count<<endl;
  f.close(); 
  return;
}

/////////////////////////////////////////////////////////////////////////
void AliTPCDDLRawData::RawDataAltroDecode(Int_t LDCsNumber,Int_t Comp){
  //This method merges the slides in only one file removing at the same 
  //time all the mini headers. The file so obtained must be Altro format
  //complaiant.
  //It is used mainly in the debugging phase 
  char filename[15];
  char dest[30];
  fstream f;
  if(!Comp)
    sprintf(dest,"AltroDDLRecomposed.dat");
  else
    sprintf(dest,"AltroDDLRecomposedDec.dat");
  ofstream fdest;

#ifndef __DECCXX
  fdest.open(dest,ios::binary);
#else
  fdest.open(dest);
#endif
  ULong_t size=0;
  //Int_t MagicWord,DDLNumber,SecNumber,SubSector,Detector,flag=0;
  for(Int_t i=1;i<=LDCsNumber;i++){
    if(!Comp)
      sprintf(filename,"TPCslice%d",i);  
    else
      sprintf(filename,"TPCslice%d.decomp",i);  
#ifndef __DECCXX
    f.open(filename,ios::binary|ios::in);
#else
    f.open(filename,ios::in);
#endif
    if(!f){cout<<"The file doesn't exist"<<endl;exit(1);}
    //loop over the DDL block 
    //Each block contains a Mini Header followed by raw data (ALTRO FORMAT)
    //The number of block is ceil(216/LDCsNumber)
    ULong_t miniHeader[3];
    //here the Mini Header is read
    while( (f.read((char*)(miniHeader),sizeof(ULong_t)*3)) ){
      //cout<<"Mini header dimension "<<miniHeader[0]<<endl;
      Int_t car=0;
      size=miniHeader[0];
      for(ULong_t j=0;j<size;j++){
	f.read((char*)(&car),1);
	fdest.write((char*)(&car),1);
      }//end for
    }//end while
    f.clear();
    f.close();
  }//end for
  fdest.close();
  return;
}
Commit	Line	Data
2e9f335b	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	**************************************************************************/
30c1018e	15	/* $Id$ */
a79660fb	16
3f1ed77a	17
a79660fb	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
2e9f335b	24
	25	#include "TObjArray.h"
	26	#include "Riostream.h"
	27	#include <stdio.h>
	28	#include <stdlib.h>
	29	#include "AliTPCCompression.h"
	30	#include "AliTPCBuffer160.h"
	31	#include "AliTPCDDLRawData.h"
2e9f335b	32
	33	ClassImp(AliTPCDDLRawData)
	34	////////////////////////////////////////////////////////////////////////////////////////
	35
	36	AliTPCDDLRawData::AliTPCDDLRawData(const AliTPCDDLRawData &source){
	37	// Copy Constructor
	38	return;
	39	}
	40
	41	AliTPCDDLRawData& AliTPCDDLRawData::operator=(const AliTPCDDLRawData &source){
	42	//Assigment operator
	43	return *this;
	44	}
	45
	46
	47	////////////////////////////////////////////////////////////////////////////
	48	void AliTPCDDLRawData::RawData(Int_t LDCsNumber){
a79660fb	49	//Raw data slides generation
2e9f335b	50	//Number of DDL=236+436=216
	51	//2 DDL for each inner sector
	52	//4 DDL for each outer sector
a79660fb	53	Int_t ddlPerFile=216/LDCsNumber;
2e9f335b	54	Int_t offset=1;
a79660fb	55	if (216%LDCsNumber) ddlPerFile++;
a79660fb	56	cout<<"Number of DDL per slide: "<<ddlPerFile<<endl;
2e9f335b	57	ifstream f;
30c1018e	58	#ifndef __DECCXX
2e9f335b	59	f.open("AliTPCDDL.dat",ios::binary);
30c1018e	60	#else
	61	f.open("AliTPCDDL.dat");
	62	#endif
2e9f335b	63	if(!f){cout<<"File doesn't exist !!"<<endl;return;}
	64	struct DataPad{
	65	Int_t Sec;
	66	Int_t SubSec;
	67	Int_t Row;
	68	Int_t Pad;
	69	Int_t Dig;
	70	Int_t Time;
	71	};
	72	DataPad data;
	73
	74	//AliTPCBuffer160 is used in write mode to generate AltroFormat.dat file
a79660fb	75	Int_t sliceNumber=1;
2e9f335b	76	char filename[15];
a79660fb	77	sprintf(filename,"TPCslice%d",sliceNumber);
2e9f335b	78	cout<<" Creating "<<filename<<endl;
a79660fb	79	AliTPCBuffer160 *buffer=new AliTPCBuffer160(filename,1);
2e9f335b	80
a79660fb	81	ULong_t count=0;
	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 countDDL=0;
2e9f335b	89	Int_t nwords=0;
	90	ULong_t numPackets=0;
	91	while (f.read((char*)(&data),sizeof(data))){
a79660fb	92	count++;
	93	if (pPadNumber==-1){
	94	pSecNumber=data.Sec;
	95	pRowNumber=data.Row;
	96	pPadNumber=data.Pad;
	97	pTimeBin=data.Time;
	98	pSubSector=data.SubSec;
2e9f335b	99	//size magic word sector number sub-sector number 0 for TPC 0 for uncompressed
a79660fb	100	buffer->WriteMiniHeader(0,pSecNumber,pSubSector,0,0);//Dummy;
	101	bunchLength=1;
	102	buffer->FillBuffer(data.Dig-offset);
2e9f335b	103	nwords++;
	104	}//end if
	105	else{
a79660fb	106	if ( (data.Time==(pTimeBin+1)) &&
	107	(pPadNumber==data.Pad) &&
	108	(pRowNumber==data.Row) &&
	109	(pSecNumber==data.Sec)){
	110	bunchLength++;
2e9f335b	111	}//end if
2e9f335b	112	else{
a79660fb	113	buffer->FillBuffer(pTimeBin);
a79660fb	114	buffer->FillBuffer(bunchLength+2);
2e9f335b	115	nwords+=2;
a79660fb	116	if ((pPadNumber!=data.Pad)\|\|(pRowNumber!=data.Row)\|\|(pSecNumber!=data.Sec)){
2e9f335b	117	//Trailer is formatted and inserted!!
a79660fb	118	buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
2e9f335b	119	numPackets++;
	120	nwords=0;
	121
a79660fb	122	if(pSubSector!=data.SubSec){
	123	countDDL++;
	124	if(countDDL==ddlPerFile){
2e9f335b	125	//size magic word sector number sub-sector number 0 for TPC 0 for uncompressed
a79660fb	126	buffer->Flush();
a79660fb	127	buffer->WriteMiniHeader(1,pSecNumber,pSubSector,0,0);
2e9f335b	128	//cout<<"Mini header for DDL:"<<PSecNumber<<" Sub-sec:"<<PSubSector<<endl;
a79660fb	129	delete buffer;
	130	sliceNumber++;
	131	sprintf(filename,"TPCslice%d",sliceNumber);
2e9f335b	132	cout<<" Creating "<<filename<<endl;
a79660fb	133	buffer=new AliTPCBuffer160(filename,1);
	134	buffer->WriteMiniHeader(0,data.Sec,data.SubSec,0,0);//Dummy;
	135	countDDL=0;
2e9f335b	136	}//end if
2e9f335b	137	else{
a79660fb	138	buffer->Flush();
	139	buffer->WriteMiniHeader(1,pSecNumber,pSubSector,0,0);
	140	buffer->WriteMiniHeader(0,data.Sec,data.SubSec,0,0);//Dummy;
2e9f335b	141	}
a79660fb	142	pSubSector=data.SubSec;
2e9f335b	143	}//end if
2e9f335b	144	}//end if
2e9f335b	145
a79660fb	146	bunchLength=1;
	147	pPadNumber=data.Pad;
	148	pRowNumber=data.Row;
	149	pSecNumber=data.Sec;
2e9f335b	150	}//end else
a79660fb	151	pTimeBin=data.Time;
a79660fb	152	buffer->FillBuffer(data.Dig-offset);
2e9f335b	153	nwords++;
	154	}//end else
	155	}//end while
a79660fb	156	buffer->FillBuffer(pTimeBin);
a79660fb	157	buffer->FillBuffer(bunchLength+2);
2e9f335b	158	nwords+=2;
a79660fb	159	buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
2e9f335b	160	//write the M.H.
a79660fb	161	buffer->Flush();
	162	buffer->WriteMiniHeader(1,pSecNumber,pSubSector,0,0);
	163	//cout<<"Mini header for D D L:"<<pSecNumber<<" Sub-sec:"<<pSubSector<<endl;
	164	delete buffer;
	165	cout<<"Number of digits: "<<count<<endl;
2e9f335b	166	f.close();
	167	return;
	168	}
	169	////////////////////////////////////////////////////////////////////////////
	170	////////////////////////////////////////////////////////////////////////////
a79660fb	171
2e9f335b	172
2e9f335b	173	Int_t AliTPCDDLRawData::RawDataCompDecompress(Int_t LDCsNumber,Int_t Comp){
a79660fb	174	//This method is used to compress and decompress the slides
a79660fb	175	static const Int_t kNumTables=5;
2e9f335b	176	char filename[20];
	177	char dest[20];
	178	fstream f;
a79660fb	179	ULong_t size=0;
2e9f335b	180	//Int_t MagicWord,DDLNumber,SecNumber,SubSector,Detector;
a79660fb	181	Int_t flag=0;
2e9f335b	182	for(Int_t i=1;i<=LDCsNumber;i++){
	183	if(!Comp){
	184	sprintf(filename,"TPCslice%d",i);
	185	sprintf(dest,"TPCslice%d.comp",i);
	186	}
	187	else{
	188	sprintf(filename,"TPCslice%d.comp",i);
	189	sprintf(dest,"TPCslice%d.decomp",i);
	190	}
30c1018e	191	#ifndef __DECCXX
2e9f335b	192	f.open(filename,ios::binary\|ios::in);
30c1018e	193	#else
	194	f.open(filename,ios::in);
	195	#endif
2e9f335b	196	if(!f){cout<<"File doesn't exist \n";exit(1);}
	197	cout<<filename<<" "<<dest<<endl;
	198	ofstream fdest;
30c1018e	199	#ifndef __DECCXX
2e9f335b	200	fdest.open(dest,ios::binary);
30c1018e	201	#else
	202	fdest.open(dest);
	203	#endif
2e9f335b	204	//loop over the DDL block
	205	//Each block contains a Mini Header followed by raw data (ALTRO FORMAT)
	206	//The number of block is ceil(216/LDCsNumber)
a79660fb	207	ULong_t miniHeader[3];
2e9f335b	208	//here the Mini Header is read
a79660fb	209	while( (f.read((char)(miniHeader),sizeof(ULong_t)3)) ){
a79660fb	210	size=miniHeader[0];
2e9f335b	211	//Int_t dim=sizeof(ULong_t)+sizeof(Int_t)*5;
a79660fb	212	//cout<<" Sec "<<SecNumber<<" SubSector "<<SubSector<<" size "<<size<<endl;
2e9f335b	213	//open the temporay File
	214	ofstream fo;
	215	char temp[15]="TempFile";
30c1018e	216	#ifndef __DECCXX
2e9f335b	217	fo.open(temp,ios::binary);
30c1018e	218	#else
	219	fo.open(temp);
	220	#endif
2e9f335b	221	Int_t car=0;
a79660fb	222	for(ULong_t j=0;j<size;j++){
2e9f335b	223	f.read((char*)(&car),1);
	224	fo.write((char*)(&car),1);
	225	}//end for
	226	fo.close();
	227	//The temp file is compressed or decompressed
	228	AliTPCCompression *util = new AliTPCCompression();
3f1ed77a	229	// util->SetVerbose(1);
2e9f335b	230	if(!Comp)
a79660fb	231	util->CompressDataOptTables(kNumTables,temp,"TempCompDecomp");
2e9f335b	232	else
a79660fb	233	util->DecompressDataOptTables(kNumTables,temp,"TempCompDecomp");
2e9f335b	234	delete util;
	235	//the temp compressed file is open and copied to the final file fdest
	236	ifstream fi;
30c1018e	237	#ifndef __DECCXX
2e9f335b	238	fi.open("TempCompDecomp",ios::binary);
30c1018e	239	#else
	240	fi.open("TempCompDecomp");
	241	#endif
2e9f335b	242	fi.seekg(0,ios::end);
a79660fb	243	size=fi.tellg();
2e9f335b	244	fi.seekg(0);
a79660fb	245	//The Mini Header is updated (size and Compressed flag)
2e9f335b	246	//and written into the output file
a79660fb	247	miniHeader[0]=size;
2e9f335b	248	if(!Comp)
a79660fb	249	flag=1;
2e9f335b	250	else
a79660fb	251	flag=0;
3f1ed77a	252	ULong_t aux=0x0;
3f1ed77a	253	flag<<=8;
a79660fb	254	aux\|=flag;
3f1ed77a	255	miniHeader[2]=miniHeader[2]\|aux;
a79660fb	256	fdest.write((char)(miniHeader),sizeof(ULong_t)3);
2e9f335b	257	//The compressem temp file is copied into the output file fdest
a79660fb	258	for(ULong_t j=0;j<size;j++){
2e9f335b	259	fi.read((char*)(&car),1);
	260	fdest.write((char*)(&car),1);
	261	}//end for
	262	fi.close();
	263	}//end while
cd43b5e1	264	f.clear();
2e9f335b	265	f.close();
	266	fdest.close();
	267	remove("TempFile");
	268	remove("TempCompDecomp");
	269	}//end for
	270	return 0;
	271	}
	272
	273	/////////////////////////////////////////////////////////////////////////////////
a79660fb	274	void AliTPCDDLRawData::RawDataAltro()const{
	275	//This method is used to build the Altro format from AliTPCDDL.dat
	276	//It is used to debug the code and create the tables used in the compresseion phase
2e9f335b	277	Int_t offset=1;
2e9f335b	278	ifstream f;
30c1018e	279	#ifndef __DECCXX
2e9f335b	280	f.open("AliTPCDDL.dat",ios::binary);
30c1018e	281	#else
	282	f.open("AliTPCDDL.dat");
	283	#endif
2e9f335b	284	if(!f){cout<<"File doesn't exist !!"<<endl;return;}
	285	struct DataPad{
	286	Int_t Sec;
	287	Int_t SubSec;
	288	Int_t Row;
	289	Int_t Pad;
	290	Int_t Dig;
	291	Int_t Time;
	292	};
	293	DataPad data;
	294
	295	//AliTPCBuffer160 is used in write mode to generate AltroFormat.dat file
	296	char filename[30]="AltroFormatDDL.dat";
	297	cout<<" Creating "<<filename<<endl;
a79660fb	298	AliTPCBuffer160 *buffer=new AliTPCBuffer160(filename,1);
2e9f335b	299
a79660fb	300	ULong_t count=0;
	301	Int_t pSecNumber=-1; //Previous Sector number
	302	Int_t pRowNumber=-1; //Previous Row number
	303	Int_t pPadNumber=-1; //Previous Pad number
	304	Int_t pTimeBin=-1; //Previous Time-Bin
	305	Int_t bunchLength=0;
2e9f335b	306	Int_t nwords=0;
	307	ULong_t numPackets=0;
	308	while (f.read((char*)(&data),sizeof(data))){
a79660fb	309	count++;
	310	if (pPadNumber==-1){
	311	pSecNumber=data.Sec;
	312	pRowNumber=data.Row;
	313	pPadNumber=data.Pad;
	314	pTimeBin=data.Time;
	315	bunchLength=1;
	316	buffer->FillBuffer(data.Dig-offset);
2e9f335b	317	nwords++;
	318	}//end if
	319	else{
a79660fb	320	if ( (data.Time==(pTimeBin+1)) &&
	321	(pPadNumber==data.Pad) &&
	322	(pRowNumber==data.Row) &&
	323	(pSecNumber==data.Sec)){
	324	bunchLength++;
2e9f335b	325	}//end if
2e9f335b	326	else{
a79660fb	327	buffer->FillBuffer(pTimeBin);
a79660fb	328	buffer->FillBuffer(bunchLength+2);
2e9f335b	329	nwords+=2;
a79660fb	330	if ((pPadNumber!=data.Pad)\|\|(pRowNumber!=data.Row)\|\|(pSecNumber!=data.Sec)){
2e9f335b	331	//Trailer is formatted and inserted!!
a79660fb	332	buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
2e9f335b	333	numPackets++;
	334	nwords=0;
	335	}//end if
	336
a79660fb	337	bunchLength=1;
	338	pPadNumber=data.Pad;
	339	pRowNumber=data.Row;
	340	pSecNumber=data.Sec;
2e9f335b	341	}//end else
a79660fb	342	pTimeBin=data.Time;
a79660fb	343	buffer->FillBuffer(data.Dig-offset);
2e9f335b	344	nwords++;
	345	}//end else
	346	}//end while
a79660fb	347	buffer->FillBuffer(pTimeBin);
a79660fb	348	buffer->FillBuffer(bunchLength+2);
2e9f335b	349	nwords+=2;
a79660fb	350	buffer->WriteTrailer(nwords,pPadNumber,pRowNumber,pSecNumber);
	351	delete buffer;
	352	cout<<"Number of digits: "<<count<<endl;
2e9f335b	353	f.close();
	354	return;
	355	}
	356
a79660fb	357	/////////////////////////////////////////////////////////////////////////
2e9f335b	358	void AliTPCDDLRawData::RawDataAltroDecode(Int_t LDCsNumber,Int_t Comp){
a79660fb	359	//This method merges the slides in only one file removing at the same
	360	//time all the mini headers. The file so obtained must be Altro format
	361	//complaiant.
	362	//It is used mainly in the debugging phase
2e9f335b	363	char filename[15];
	364	char dest[30];
	365	fstream f;
	366	if(!Comp)
	367	sprintf(dest,"AltroDDLRecomposed.dat");
	368	else
	369	sprintf(dest,"AltroDDLRecomposedDec.dat");
	370	ofstream fdest;
cd43b5e1	371
30c1018e	372	#ifndef __DECCXX
2e9f335b	373	fdest.open(dest,ios::binary);
30c1018e	374	#else
	375	fdest.open(dest);
	376	#endif
a79660fb	377	ULong_t size=0;
a79660fb	378	//Int_t MagicWord,DDLNumber,SecNumber,SubSector,Detector,flag=0;
2e9f335b	379	for(Int_t i=1;i<=LDCsNumber;i++){
cd43b5e1	380	if(!Comp)
2e9f335b	381	sprintf(filename,"TPCslice%d",i);
	382	else
	383	sprintf(filename,"TPCslice%d.decomp",i);
30c1018e	384	#ifndef __DECCXX
2e9f335b	385	f.open(filename,ios::binary\|ios::in);
30c1018e	386	#else
	387	f.open(filename,ios::in);
	388	#endif
cd43b5e1	389	if(!f){cout<<"The file doesn't exist"<<endl;exit(1);}
2e9f335b	390	//loop over the DDL block
	391	//Each block contains a Mini Header followed by raw data (ALTRO FORMAT)
	392	//The number of block is ceil(216/LDCsNumber)
a79660fb	393	ULong_t miniHeader[3];
2e9f335b	394	//here the Mini Header is read
a79660fb	395	while( (f.read((char)(miniHeader),sizeof(ULong_t)3)) ){
a79660fb	396	//cout<<"Mini header dimension "<<miniHeader[0]<<endl;
2e9f335b	397	Int_t car=0;
a79660fb	398	size=miniHeader[0];
a79660fb	399	for(ULong_t j=0;j<size;j++){
2e9f335b	400	f.read((char*)(&car),1);
	401	fdest.write((char*)(&car),1);
	402	}//end for
	403	}//end while
cd43b5e1	404	f.clear();
2e9f335b	405	f.close();
	406	}//end for
	407	fdest.close();
	408	return;
	409	}
	410