STEER/STEER/AliLHCReader.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, 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
  16 ///////////////////////////////////////////////////////////////////////////////
  17 //                                                                           //
  18 //  Class to read the file coming from DCS containing the information        //
  19 //  from LHC. Everything is stored in a TMap, where:                         //
  20 //  Key   --> DP name, as passed by LHC                                      //
  21 //  value --> TObjArray of AliDCSArray objects                               //
  22 //                                                                           //
  23 ///////////////////////////////////////////////////////////////////////////////
  24
  25 #include <Riostream.h>
  26 #include <time.h>
  27
  28 #include <TObjArray.h>
  29 #include <TObjString.h>
  30 #include <TObject.h>
  31 #include <TString.h>
  32 #include <TMap.h>
  33 #include <TSystem.h>
  34 #include <TError.h>
  35
  36 #include "AliDCSArray.h"
  37 #include "AliLHCReader.h"
  38 #include "AliLog.h"
  39
  40 using std::ifstream;
  41 ClassImp(AliLHCReader)
  42
  43 //--------------------------------------------------------------------------
  44 AliLHCReader::AliLHCReader():
  45         TObject(),
  46         fStartTime(0),
  47         fEndTime(0)
  48 {
  49         // default ctor
  50 }
  51
  52 //--------------------------------------------------------------------------
  53 AliLHCReader::~AliLHCReader()
  54 {
  55         //
  56         // dtor
  57         //
  58 }
  59
  60 //--------------------------------------------------------------------------
  61 TMap* AliLHCReader::ReadLHCDP(TString filename)
  62 {
  63         //
  64         // reading the file with the inputs
  65         //
  66   gSystem->ExpandPathName(filename);
  67         if( gSystem->AccessPathName( filename.Data() ) ) {
  68                 AliError(Form( "file (%s) not found", filename.Data() ) );
  69                 return NULL;
  70         }
  71
  72         ifstream *file = new ifstream ( filename.Data() );
  73         if (!*file) {
  74                 AliError(Form("Error opening file (%s) !",filename.Data()));
  75                 file->close();
  76                 delete file;
  77                 return NULL;
  78         }
  79         TMap* mapLHC = new TMap();
  80         mapLHC->SetOwnerKeyValue();
  81         TString strLine;
  82         Int_t lhcEntries;
  83         Int_t nBlocks = 0;
  84         Int_t nline =0;
  85         while(strLine.ReadLine(*file)){
  86                 nline++;
  87                 AliDebug(3,Form("line n. = %d",nline));
  88                 // tokenize the line with tabs
  89                 //if (strLine.BeginsWith("=")) continue;
  90                 //if (!strLine.CompareTo("END_OF_BLOCK")) {
  91                 if (strLine.Contains("END_OF_BLOCK")) {
  92                         AliDebug(2,"END_OF_BLOCK");
  93                         nBlocks++;
  94                         continue;
  95                 }
  96                 TObjArray* tokens = strLine.Tokenize("\t");
  97                 Int_t ntokens = tokens->GetEntriesFast();
  98                 //
  99                 if ( strLine.Contains("LHC_ENTRIES ") ) {
 100                   // RS: special treatment for "LHC_ENTRIES N" record, which is space (and not tab) separated)
 101                   delete tokens;
 102                   tokens = strLine.Tokenize(" ");
 103                   ntokens = tokens->GetEntriesFast();
 104                 }
 105                 //
 106                 AliDebug(3,Form("Number of tokens = %d",ntokens));
 107                 if (ntokens == 2 && !(((TObjString*)tokens->At(0))->String()).CompareTo("LHC_ENTRIES")){
 108                         lhcEntries = (((TObjString*)tokens->At(1))->String()).Atoi();
 109                         AliInfo(Form("LHC entries = %d",lhcEntries));
 110                         AliDebug(3,Form("LHC entries = %d",lhcEntries));
 111                         continue;
 112                 }
 113                 if (ntokens == 1 && !(((TObjString*)tokens->At(0))->String()).CompareTo("END_OF_DATA")){
 114                         AliDebug(2,"End of file reached");
 115                         delete tokens;
 116                         break;
 117                 }
 118                 if (ntokens < 4){
 119                         AliInfo(Form("Wrong number of tokens --> # tokens = %d at line %d",ntokens,nline));
 120                         // requiring at least the index of the DP, the DP name, the format, and the number of entries
 121                         delete tokens;
 122                         continue;
 123                 }
 124                 Int_t lhcDPindex = (((TObjString*)tokens->At(0))->String()).Atoi();
 125                 AliDebug(2,Form("lhcDPindex = %d",lhcDPindex));
 126                 TObjString* lhcDPname = (TObjString*)tokens->At(1);
 127                 TString lhcDPtype = ((TObjString*)tokens->At(2))->String();
 128                 AliDebug(2,Form("lhcDPname = %s",(lhcDPname->String()).Data()));
 129                 AliDebug(2,Form("lhcDPtype = %s",lhcDPtype.Data()));
 130                 TObjArray* typeTokens = lhcDPtype.Tokenize(":");
 131                 if (typeTokens->GetEntriesFast() < 2 ){
 132                         // requiring the the type and the number of elements for each measurement
 133                         AliError(Form("The format does not match the expected one, skipping the current line for DP = %s", lhcDPtype.Data()));
 134                         delete typeTokens;
 135                         delete tokens;
 136                         continue;
 137                 }
 138                 TString type = ((TObjString*)typeTokens->At(0))->String();
 139                 AliDebug(2,Form("type = %s",type.Data()));
 140                 Int_t nelements = (((TObjString*)typeTokens->At(1))->String()).Atoi();
 141                 AliDebug(2,Form("nelements = %i",nelements));
 142                 Int_t nentries = (((TObjString*)tokens->At(3))->String()).Atoi();
 143                 AliDebug(2,Form("nentries = %i",nentries));
 144                 Int_t nValuesPerEntry = nelements+1;
 145                 Int_t nfixed = 4; // n. of fixed entries
 146                 TObjArray* array;
 147                 if (mapLHC->GetValue(lhcDPname)==0x0){
 148                         array = new TObjArray();
 149                         array->SetOwner(1);
 150                         mapLHC->Add(new TObjString(lhcDPname->String()),array);
 151                 }
 152                 else{
 153                         array = (TObjArray*)mapLHC->GetValue(lhcDPname);
 154                         AliDebug(2,Form("entry found! --> %p",array));
 155                 }
 156
 157                 for (Int_t ientry=0; ientry< nentries; ientry ++){
 158                         Int_t indextime = nfixed+nValuesPerEntry*ientry+nelements;
 159                         TString strTimestamp = ((TObjString*)tokens->At(indextime))->String();
 160                         Double_t timestamp = strTimestamp.Atof();
 161                         AliDebug(2,Form("Timestamp in unix time = %f (s)",timestamp));
 162                         if (fStartTime!=0 && fEndTime!=0 && (fStartTime > timestamp || fEndTime < timestamp)){
 163                                 // error in case the measurement is not within the data taking time interval
 164                                 AliError(Form("Timestamp for entry %d of DP %s not in [%d,%d]", ientry, lhcDPtype.Data(),fStartTime,fEndTime));
 165                                 continue;
 166                         }
 167                         if (type == "i"){
 168                                 Int_t* value = new Int_t[nelements];
 169                                 for (Int_t ielement=0; ielement<nelements; ielement++){
 170                                         value[ielement] = (((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atoi();
 171                                         AliDebug(2,Form("Value at index %d = %d",nfixed+ielement+ientry*nValuesPerEntry,value[ielement]));
 172                                 }
 173                                 AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
 174                                 array->Add(dcs);
 175                                 delete[] value;
 176                         }
 177                         else if (type == "b"){
 178                                 Bool_t* value = new Bool_t[nelements];
 179                                 for (Int_t ielement=0; ielement<nelements; ielement++){
 180                                         value[ielement] = Bool_t((((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atoi());
 181                                         AliDebug(2,Form("Value at index %d = %d",nfixed+ielement+ientry*nValuesPerEntry,Int_t(value[ielement])));
 182                                 }
 183                                 AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
 184                                 array->Add(dcs);
 185                                 delete[] value;
 186                         }
 187                         else if (type == "f"){ // the floats should be considered as doubles
 188                                 Double_t* value = new Double_t[nelements];
 189                                 for (Int_t ielement=0; ielement<nelements; ielement++){
 190                                         TString tempstr = (TString)(((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String());
 191                                         value[ielement] = (((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atof();
 192                                         AliDebug(2,Form("Value at index %d = %f from string %s",nfixed+ielement+ientry*nValuesPerEntry,value[ielement],tempstr.Data()));
 193                                 }
 194                                 AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
 195                                 array->Add(dcs);
 196                                 delete[] value;
 197                         }
 198                         else if (type == "s"){
 199                                 TObjArray* value = new TObjArray();
 200                                 value->SetOwner(1);
 201                                 for (Int_t ielement=0; ielement<nelements; ielement++){
 202                                   TObjString* strobj = (new TObjString(((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()));
 203                                         AliDebug(2,Form("Value at index %d = %s",nfixed+ielement+ientry*nValuesPerEntry,(strobj->String()).Data()));
 204                                         value->Add(strobj);
 205                                 }
 206                                 AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
 207                                 array->Add(dcs);
 208                                 delete value;
 209                         }
 210                         else{
 211                                 AliError(Form("Non-expected type %s",type.Data()));
 212                                 delete typeTokens;
 213                                 delete tokens;
 214                                 file->close();
 215                                 delete file;
 216                                 return NULL;
 217                         }
 218                 }
 219                 delete typeTokens;
 220                 delete tokens;
 221         }
 222         file->close();
 223         delete file;
 224         return mapLHC;
 225 }
 226
 227 //--------------------------------------------------------------------------
 228 TObjArray* AliLHCReader::ReadSingleLHCDP(TString filename, TString alias)
 229 {
 230         //
 231         // reading the file with the inputs for the selected alias
 232         // returning the TObjArray containing the information only for the current alias
 233         //
 234   gSystem->ExpandPathName(filename);
 235         if( gSystem->AccessPathName( filename.Data() ) ) {
 236                 AliError(Form( "file (%s) not found", filename.Data() ) );
 237                 return NULL;
 238         }
 239
 240         TString selection = gSystem->GetFromPipe(Form("grep -P '^\\d+\\s+%s+\\s' %s",alias.Data(), filename.Data()));
 241
 242         if (selection.Length() == 0) {
 243                 AliError(Form("Alias %s not fouond in LHC Data file, returning a null pointer",alias.Data()));
 244                 return NULL;
 245         }
 246
 247         Int_t nline =0;
 248
 249         TObjArray* tokenslines = selection.Tokenize("\n");
 250         Int_t ntokenslines = tokenslines->GetEntriesFast();
 251         AliDebug(3,Form("Number of tokenslines = %d",ntokenslines));
 252
 253         TObjArray* array = new TObjArray(); // array to be returned
 254         array->SetOwner(1);
 255
 256         for (Int_t iline=0; iline<ntokenslines; iline++){
 257                 TString strLine = ((TObjString*)tokenslines->At(iline))->String();
 258                 AliDebug(4,Form("***************** line = %s\n",strLine.Data()));
 259                 TObjArray* tokens = strLine.Tokenize("\t");
 260                 Int_t ntokens = tokens->GetEntriesFast();
 261                 AliDebug(3,Form("Number of tokens = %d",ntokens));
 262                 if (ntokens < 4){
 263                         AliInfo(Form("Wrong number of tokens --> # tokens = %d at line %d",ntokens,nline));
 264                         // requiring at least the index of the DP, the DP name, the format, and the number of entries
 265                         delete tokens;
 266                         continue;
 267                 }
 268                 Int_t lhcDPindex = (((TObjString*)tokens->At(0))->String()).Atoi();
 269                 AliDebug(2,Form("lhcDPindex = %d",lhcDPindex));
 270                 TObjString* lhcDPname = (TObjString*)tokens->At(1);
 271                 TString lhcDPtype = ((TObjString*)tokens->At(2))->String();
 272                 AliDebug(2,Form("lhcDPname = %s",(lhcDPname->String()).Data()));
 273                 AliDebug(2,Form("lhcDPtype = %s",lhcDPtype.Data()));
 274                 TObjArray* typeTokens = lhcDPtype.Tokenize(":");
 275                 if (typeTokens->GetEntriesFast() < 2 ){
 276                         // requiring the the type and the number of elements for each measurement
 277                         AliError(Form("The format does not match the expected one, skipping the current line for DP = %s", lhcDPtype.Data()));
 278                         delete typeTokens;
 279                         delete tokens;
 280                         continue;
 281                 }
 282                 TString type = ((TObjString*)typeTokens->At(0))->String();
 283                 AliDebug(2,Form("type = %s",type.Data()));
 284                 Int_t nelements = (((TObjString*)typeTokens->At(1))->String()).Atoi();
 285                 AliDebug(2,Form("nelements = %i",nelements));
 286                 Int_t nentries = (((TObjString*)tokens->At(3))->String()).Atoi();
 287                 AliDebug(2,Form("nentries = %i",nentries));
 288                 Int_t nValuesPerEntry = nelements+1;
 289                 Int_t nfixed = 4; // n. of fixed entries
 290                 for (Int_t ientry=0; ientry< nentries; ientry ++){
 291                         Int_t indextime = nfixed+nValuesPerEntry*ientry+nelements;
 292                         TString strTimestamp = ((TObjString*)tokens->At(indextime))->String();
 293                         Double_t timestamp = strTimestamp.Atof();
 294                         AliDebug(2,Form("Timestamp in unix time = %f (s)",timestamp));
 295                         if (fStartTime!=0 && fEndTime!=0 && (fStartTime > timestamp || fEndTime < timestamp)){
 296                                 // error in case the measurement is not within the data taking time interval
 297                                 AliError(Form("Timestamp for entry %d of DP %s not in [%d,%d]", ientry, lhcDPtype.Data(),fStartTime,fEndTime));
 298                                 continue;
 299                         }
 300                         if (type == "i"){
 301                                 Int_t* value = new Int_t[nelements];
 302                                 for (Int_t ielement=0; ielement<nelements; ielement++){
 303                                         value[ielement] = (((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atoi();
 304                                         AliDebug(2,Form("Value at index %d = %d",nfixed+ielement+ientry*nValuesPerEntry,value[ielement]));
 305                                 }
 306                                 AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
 307                                 array->Add(dcs);
 308                                 delete[] value;
 309                         }
 310                         else if (type == "b"){
 311                                 Bool_t* value = new Bool_t[nelements];
 312                                 for (Int_t ielement=0; ielement<nelements; ielement++){
 313                                         value[ielement] = Bool_t((((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atoi());
 314                                         AliDebug(2,Form("Value at index %d = %d",nfixed+ielement+ientry*nValuesPerEntry,Int_t(value[ielement])));
 315                                 }
 316                                 AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
 317                                 array->Add(dcs);
 318                                 delete[] value;
 319                         }
 320                         else if (type == "f"){ // the floats should be considered as doubles
 321                                 Double_t* value = new Double_t[nelements];
 322                                 for (Int_t ielement=0; ielement<nelements; ielement++){
 323                                         TString tempstr = (TString)(((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String());
 324                                         value[ielement] = (((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atof();
 325                                         AliDebug(2,Form("Value at index %d = %f from string %s",nfixed+ielement+ientry*nValuesPerEntry,value[ielement],tempstr.Data()));
 326                                 }
 327                                 AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
 328                                 array->Add(dcs);
 329                                 delete[] value;
 330                         }
 331                         else if (type == "s"){
 332                                 TObjArray* value = new TObjArray();
 333                                 value->SetOwner(1);
 334                                 for (Int_t ielement=0; ielement<nelements; ielement++){
 335                                   TObjString* strobj = (new TObjString(((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()));
 336                                         AliDebug(2,Form("Value at index %d = %s",nfixed+ielement+ientry*nValuesPerEntry,(strobj->String()).Data()));
 337                                         value->Add(strobj);
 338                                 }
 339                                 AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
 340                                 array->Add(dcs);
 341                                 delete value;
 342                         }
 343                         else{
 344                                 AliError(Form("Non-expected type %s",type.Data()));
 345                                 delete typeTokens;
 346                                 delete tokens;
 347                                 delete tokenslines;
 348                                 return NULL;
 349                         }
 350                 }
 351                 delete typeTokens;
 352                 delete tokens;
 353         }
 354         delete tokenslines;
 355         return array;
 356 }
 357
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