1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 /* $Id: AliTriggerRunScalers.cxx 22322 2007-11-22 11:43:14Z cvetan $ */
18 ///////////////////////////////////////////////////////////////////////////////
20 // Class to define the ALICE Trigger Scalers Record per Run.
21 // ReadScalers(): read the txt file (rXXXX.cnt) provided by CTP and creates array of records.
22 // ConsistencyCheck(): checks if the last scaler added to record is consistent,
23 // i.e. time increases and valued are not decreasing in time.
26 //////////////////////////////////////////////////////////////////////////////
29 #include <Riostream.h>
31 //#include <TObject.h>
32 //#include <TArrayC.h>
36 #include <TObjString.h>
37 #include <TObjArray.h>
40 #include "AliTimeStamp.h"
41 #include "AliTriggerScalers.h"
42 #include "AliTriggerScalersESD.h"
43 #include "AliTriggerScalersRecord.h"
44 #include "AliTriggerScalersRecordESD.h"
45 #include "AliTriggerRunScalers.h"
47 ClassImp( AliTriggerRunScalers )
49 //_____________________________________________________________________________
50 AliTriggerRunScalers::AliTriggerRunScalers():
59 // Default constructor
61 //______________________________________________________________________________
62 AliTriggerRunScalers::~AliTriggerRunScalers()
65 fScalersRecord.SetOwner();
66 fScalersRecord.Delete();
67 fScalersRecordESD.SetOwner();
68 fScalersRecordESD.Delete();
70 //_____________________________________________________________________________
71 void AliTriggerRunScalers::AddTriggerScalers( AliTriggerScalersRecord* scaler )
73 // Add scaler and check consistency
74 fScalersRecord.AddLast( scaler );
75 if (AliTriggerRunScalers::ConsistencyCheck(fScalersRecord.GetEntriesFast()-1,kFALSE)) AliErrorClass("Trigger counters not in the right order or decreasing!");
76 // fScalersRecord.Sort();
78 //_____________________________________________________________________________
80 AliTriggerRunScalers::AliTriggerRunScalers(const AliTriggerRunScalers &run) :
82 fVersion(run.fVersion),
83 fRunNumber(run.fRunNumber),
84 fnClasses(run.fnClasses),
90 for (Int_t i = 0; i < run.fClassIndex.GetSize(); i++) {
91 if (run.fClassIndex[i]) fClassIndex.AddAt(run.fClassIndex[i], i);
93 for (Int_t i = 0; i < run.fScalersRecord.GetEntriesFast(); i++) {
94 if (run.fScalersRecord[i]) fScalersRecord.Add(run.fScalersRecord[i]->Clone());
96 for (Int_t i = 0; i < run.fScalersRecordESD.GetEntriesFast(); i++) {
97 if (run.fScalersRecordESD[i]) fScalersRecordESD.Add(run.fScalersRecordESD[i]->Clone());
101 //_____________________________________________________________________________
102 AliTriggerRunScalers &AliTriggerRunScalers::operator=(const AliTriggerRunScalers& run)
104 // assignment operator
105 if(&run == this) return *this;
106 ((TObject *)this)->operator=(run);
108 fVersion = run.fVersion;
109 fRunNumber = run.fRunNumber;
110 fnClasses = run.fnClasses;
112 for (Int_t i = 0; i < run.fClassIndex.GetSize(); i++) {
113 if (run.fClassIndex[i]) fClassIndex.AddAt(run.fClassIndex[i], i);
115 for (Int_t i = 0; i < run.fScalersRecord.GetEntriesFast(); i++) {
116 if (run.fScalersRecord[i]) fScalersRecord.Add(run.fScalersRecord[i]->Clone());
118 for (Int_t i = 0; i < run.fScalersRecordESD.GetEntriesFast(); i++) {
119 if (run.fScalersRecordESD[i]) fScalersRecordESD.Add(run.fScalersRecordESD[i]->Clone());
123 //_____________________________________________________________________________
124 AliTriggerRunScalers* AliTriggerRunScalers::ReadScalers( TString & filename )
126 // Read scalers from text file(.cnt) provided by CTP
127 // for given run and convert it to root format
128 if( gSystem->AccessPathName( filename.Data() ) ) {
129 AliErrorClass( Form( "file (%s) not found", filename.Data() ) );
133 ifstream *file = new ifstream ( filename.Data() );
135 AliErrorClass(Form("Error opening file (%s) !\n",filename.Data()));
141 AliTriggerRunScalers* rScaler = new AliTriggerRunScalers();
144 Bool_t verflag = kFALSE;
145 Bool_t classflag = kFALSE;
147 while (strLine.ReadLine(*file)) {
148 if (strLine.BeginsWith("#")) continue;
150 TObjArray *tokens = strLine.Tokenize(" \t");
151 Int_t ntokens = tokens->GetEntriesFast();
152 // 1st line, version, it is one number,
155 AliErrorClass( Form( "Error reading version number from (%s), line :%s\n",
156 filename.Data() , strLine.Data() ) );
159 // cout << "Version "<< ((TObjString*)tokens->At(0))->String().Atoi() << endl;
160 rScaler->SetVersion( ((TObjString*)tokens->At(0))->String().Atoi() );
166 // 2nd line, run number , number of classes, list of classes used in this partition
169 if ( !((TObjString*)tokens->At(1))->String().IsDigit() ) {
170 AliErrorClass( Form( "Error reading Run number from (%s)\n", filename.Data() ));
172 // cout << "Run Number " << ((TObjString*)tokens->At(0))->String().Atoi() << endl;
173 rScaler->SetRunNumber( ((TObjString*)tokens->At(0))->String().Atoi() );
174 nclass = (UChar_t)((TObjString*)tokens->At(1))->String().Atoi();
175 // cout << "Number of classes " << nclass << endl;
176 rScaler->SetNumClasses( nclass );
177 if ( nclass != ntokens - 2 ) {
178 AliErrorClass( Form( "Error reading number of classes from (%s)\n", filename.Data() ));
180 for (UChar_t i=0; i<nclass; ++i) {
181 rScaler->SetClass( i, (Char_t)((TObjString*)tokens->At(2+i))->String().Atoi() );
189 // Each record consists of 1+(number of classes in partition) lines
190 // 1st line of record = time stamp (4 words)
191 // 1st word = ORBIT(24 bits)
192 // 2nd word = Period Counter (28 bit)
193 // 3rd word = seconds (32 bits) from epoch
194 // 4th word = microsecs (32 bits)
195 // other lines = 6 words of counters (L0 before,L0 after, ....)
197 AliErrorClass( Form( "Error reading timestamp from (%s): line (%s)",
198 filename.Data(), strLine.Data() ));
202 UInt_t orbit = strtoul(((TObjString*)tokens->At(0))->String(), NULL, 10);
203 UInt_t period = strtoul(((TObjString*)tokens->At(1))->String(), NULL, 10);
204 UInt_t seconds = strtoul(((TObjString*)tokens->At(2))->String(), NULL, 10);
205 UInt_t microSecs = strtoul(((TObjString*)tokens->At(3))->String(), NULL, 10);
207 AliTriggerScalersRecord * rec = new AliTriggerScalersRecord();
208 rec->SetTimeStamp( orbit, period, seconds, microSecs );
210 for (Int_t i=0; i<nclass; ++i) {
211 strLine1.ReadLine(*file);
212 if (strLine1.BeginsWith("#")) continue;
213 TObjArray *tokens1 = strLine1.Tokenize(" \t");
214 Int_t ntokens1 = tokens1->GetEntriesFast();
215 if( ntokens1 != 6 ) {
216 AliErrorClass( Form( "Error reading scalers from (%s): line (%s)",
217 filename.Data(), strLine1.Data() ));
222 UInt_t lOCB = strtoul(((TObjString*)tokens1->At(0))->String(), NULL, 10);
223 UInt_t lOCA = strtoul(((TObjString*)tokens1->At(1))->String(), NULL, 10);
224 UInt_t l1CB = strtoul(((TObjString*)tokens1->At(2))->String(), NULL, 10);
225 UInt_t l1CA = strtoul(((TObjString*)tokens1->At(3))->String(), NULL, 10);
226 UInt_t l2CB = strtoul(((TObjString*)tokens1->At(4))->String(), NULL, 10);
227 UInt_t l2CA = strtoul(((TObjString*)tokens1->At(5))->String(), NULL, 10);
229 rScaler->GetClass(i);
230 rec->AddTriggerScalers( rScaler->GetClass(i),
236 rScaler->AddTriggerScalers( rec );
246 //_____________________________________________________________________________
247 Int_t AliTriggerRunScalers::FindNearestScalersRecord( const AliTimeStamp *stamp ) const
249 // Find Trigger scaler record with the closest timestamp <= "stamp"
250 // using a binary search.
251 // return the index in the array of records, if the timestamp
252 // is out of range return -1
254 Int_t base, position=-1, last, result = 0;
257 //fScalersRecord.Sort();
260 last = fScalersRecord.GetEntriesFast();
262 while (last >= base) {
263 position = (base+last) / 2;
264 cout << "pos " << position<< " base " << base << "last " << last << endl;
265 AliTriggerScalersRecord* rec = (AliTriggerScalersRecord*)fScalersRecord.At(position);
266 if( rec && rec->GetTimeStamp()) op2 = 1;
267 if( op2 && (result = stamp->Compare(rec->GetTimeStamp())) == 0 )
268 return position; // exact match
269 cout << "result " << result << " op2 " << op2 << " rec "<< rec << endl;
270 if (!op2 || result < 0)
276 if( (position == 0 && result < 0) || position >= fScalersRecord.GetEntriesFast() )
277 return -1; // out of range
279 return (result < 0 ) ? position-1 : position; // nearst < stamp
281 //_____________________________________________________________________________
282 Int_t AliTriggerRunScalers::ConsistencyCheck(Int_t position,Bool_t correctOverflow)
284 //Check if counters are consistent(increase). Example: lOCB(n) < lOCB(n+1) and lOCB > lOCA
285 // scalers coding 0,1,2,3,4,5=0b,0a,1b,1a,2b,2a
287 // 1 = decresing time
288 // 2 = too big jump in scalers, looks like some readings are missing
289 // 3 = (level+1) > (level)
291 AliErrorClass("position=0\n");
296 Bool_t increase[6], overflow[6];
297 for(Int_t i=0;i<6;i++){increase[i]=0;overflow[i]=0;}
298 ULong64_t const max1 = 4294967295ul; //32bit counters overflow after 4294967295
299 ULong64_t const max2 = 1000000000ul; //when counters overflow they seem to be decreasing. Assume decrease cannot be smaller than max2.
301 AliTriggerScalersRecord* scalers2 = (AliTriggerScalersRecord*)fScalersRecord.At(position);
302 AliTriggerScalersRecord* scalers1 = (AliTriggerScalersRecord*)fScalersRecord.At(position-1);
303 if (scalers2->Compare((AliTriggerScalersRecord*)fScalersRecord.At(position-1)) == -1) return 1;
305 AliTriggerScalersRecordESD* recESD = 0;
307 recESD = new AliTriggerScalersRecordESD();
308 recESD->SetTimeStamp(scalers2->GetTimeStamp());
310 for( Int_t ic=0; ic<fnClasses; ++ic ){
311 TObjArray* scalersArray2 = (TObjArray*)scalers2->GetTriggerScalers();
312 AliTriggerScalers* counters2 = (AliTriggerScalers*)scalersArray2->At(ic);
313 counters2->GetAllScalers(c2);
314 TObjArray* scalersArray1 = (TObjArray*)scalers1->GetTriggerScalers();
315 AliTriggerScalers* counters1 = (AliTriggerScalers*)scalersArray1->At(ic);
316 counters1->GetAllScalers(c1);
318 for(Int_t i=0;i<6;i++){
319 if ( c2[i] > c1[i] ) increase[i]=1;
320 else if ( c2[i] < c1[i] && (c1[i] - c2[i]) > max2) overflow[i]=1;
323 for(Int_t i=0;i<5;i++){
324 if ((c2[i] - c1[i]) < (c2[i+1] - c1[i+1]) && increase[i] && increase[i+1] ) return 3;
325 else if ( (max1 - c1[i]+c2[i] ) < (c2[i+1] - c1[i+1]) && overflow[i] && increase[i+1] ) return 3;
326 else if ( (c2[i] - c1[i]) < (max1 - c1[i+1] + c2[i+1]) && increase[i] && overflow[i+1] ) return 3;
327 else if ( (max1 - c1[i] + c2[i] ) < (max1 - c1[i+1] + c2[i+1]) && overflow[i] && overflow[i+1] ) return 3;
329 if(correctOverflow)for(Int_t i=0;i<6;i++){
330 c64[i]=c2[i]+max1*overflow[i];
331 AliTriggerScalersESD* s= new AliTriggerScalersESD(ic,c64);
332 recESD->AddTriggerScalers(s);
335 if(correctOverflow)fScalersRecordESD.AddLast(recESD);
338 //____________________________________________________________________________
339 Int_t AliTriggerRunScalers::CorrectScalersOverflow()
341 // Run over fScalersRecord, check overflow using CheckConsistency methos
342 // and save corrected result in fScalersRecordESD.
345 AliTriggerScalersRecordESD* recESD = new AliTriggerScalersRecordESD();
347 AliTriggerScalersRecord* scalers = (AliTriggerScalersRecord*)fScalersRecord.At(0);
348 for( Int_t ic=0; ic<fnClasses; ++ic ){
349 TObjArray* scalersArray = (TObjArray*)scalers->GetTriggerScalers();
350 AliTriggerScalers* counters = (AliTriggerScalers*)scalersArray->At(ic);
351 counters->GetAllScalers(c1);
352 for(Int_t i=0; i<6; i++)c64[i]=c1[i];
353 AliTriggerScalersESD* s= new AliTriggerScalersESD(ic,c64);
354 recESD->AddTriggerScalers(s);
356 fScalersRecordESD.AddLast(recESD);
357 for(Int_t i=1;i<fScalersRecord.GetEntriesFast(); i++){
358 if(ConsistencyCheck(i,kTRUE)){
359 fScalersRecordESD.SetOwner();
360 fScalersRecordESD.Delete();
361 AliErrorClass("Inconsistent scalers, they will not be provided.\n");
365 if(fScalersRecordESD.GetEntriesFast() != fScalersRecord.GetEntriesFast()){
366 AliErrorClass("Internal error: #scalers ESD != #scalers \n");
371 //_____________________________________________________________________________
372 AliTriggerScalersESD* AliTriggerRunScalers::GetScalersForEventClass(const AliTimeStamp* stamp,const Int_t classIndex) const
374 // Find scalers for event for class in fScalersRecordESD
375 // Assumes that fScalerRecord = fScalerRecordESD
376 Int_t position = FindNearestScalersRecord(stamp);
377 if ( position == -1 ) {
378 AliErrorClass("Event AliTimeStamp out of range!");
381 // check also position=max
382 AliTriggerScalersRecordESD* scalrec1 = (AliTriggerScalersRecordESD*)fScalersRecordESD.At(position);
383 AliTriggerScalersRecordESD* scalrec2 = (AliTriggerScalersRecordESD*)fScalersRecordESD.At(position+1);
384 TObjArray* scalers1 = (TObjArray*)scalrec1->GetTriggerScalers();
385 TObjArray* scalers2 = (TObjArray*)scalrec2->GetTriggerScalers();
386 if(scalers1->GetEntriesFast() != fnClasses){
387 AliErrorClass("Internal error: #classes in RecordESD != fnClasses\n");
390 AliTriggerScalersESD *s1,*s2;
391 for ( Int_t ic=0; ic < fnClasses; ++ic ){
392 s1 = (AliTriggerScalersESD*)scalers1->At(ic);
393 s2 = (AliTriggerScalersESD*)scalers2->At(ic);
394 Bool_t classfound = (s1->GetClassIndex() == classIndex) && (s2->GetClassIndex() == classIndex);
396 ULong64_t max = 4294967295ul;
397 AliTriggerScalersRecordESD* scalrec0 = (AliTriggerScalersRecordESD*)fScalersRecordESD.At(0);
398 TObjArray* scalers0 = (TObjArray*)scalrec0->GetTriggerScalers();
399 AliTriggerScalersESD *s0 = (AliTriggerScalersESD*)scalers0->At(ic);
400 ULong64_t base[6],c1[6],c2[6],cint[6];
401 ULong64_t orbit = max*(stamp->GetPeriod()) + stamp->GetOrbit();
402 s0->GetAllScalers(base);
403 s1->GetAllScalers(c1);
404 s2->GetAllScalers(c2);
405 ULong64_t orbit1 = max*(scalrec1->GetTimeStamp()->GetPeriod())+scalrec1->GetTimeStamp()->GetOrbit();
406 ULong64_t orbit2 = max*(scalrec2->GetTimeStamp()->GetPeriod())+scalrec2->GetTimeStamp()->GetOrbit();
407 for(Int_t i=0;i<6;i++){
408 Double_t slope=Double_t(c2[i]-c1[i])/Double_t(orbit2-orbit1);
409 cint[i]=ULong64_t(slope*(orbit-orbit1)) +c1[i] -base[i];
411 AliTriggerScalersESD* result = new AliTriggerScalersESD(classIndex,cint);
415 AliErrorClass(Form("Classindex %i not found.\n",classIndex));
418 //_____________________________________________________________________________
419 void AliTriggerRunScalers::Print( const Option_t* ) const
422 cout << "Trigger Scalers Record per Run: " << endl;
423 cout << " File version :" << fVersion << endl;
424 cout << " Run Number :" << fRunNumber << endl;
425 cout << " Number of Classes :" << (Int_t)fnClasses << endl;
426 cout << " Classes ID:";
427 for( Int_t i=0; i<fnClasses; ++i )
428 cout << " " << (Int_t)fClassIndex[i];
431 for( Int_t i=0; i<fScalersRecord.GetEntriesFast(); ++i )
432 ((AliTriggerScalersRecord*)fScalersRecord.At(i))->Print();