[u/mrichter/AliRoot.git] / STEER / AliLHCReader.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, 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.                  *
 **************************************************************************/

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//  Class to read the file coming from DCS containing the information        //
//  from LHC. Everything is stored in a TMap, where:                         //
//  Key   --> DP name, as passed by LHC                                      // 
//  value --> TObjArray of AliDCSArray objects                               //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

#include <Riostream.h>
#include <time.h>

#include <TObjArray.h>
#include <TObjString.h>
#include <TObject.h>
#include <TString.h>
#include <TMap.h>
#include <TSystem.h>
#include <TError.h>

#include "AliDCSArray.h"
#include "AliLHCReader.h"
#include "AliLog.h"

//--------------------------------------------------------------------------
AliLHCReader::AliLHCReader():
	TObject(),
	fStartTime(0),
	fEndTime(0)
{
	// default ctor 
}

//--------------------------------------------------------------------------
AliLHCReader::~AliLHCReader()
{
	//
	// dtor 
	//
}

//--------------------------------------------------------------------------
TMap* AliLHCReader::ReadLHCDP(TString filename)
{
	//
	// reading the file with the inputs
	//

       	if( gSystem->AccessPathName( filename.Data() ) ) {
		AliError(Form( "file (%s) not found", filename.Data() ) );
		return NULL;
	}

	ifstream *file = new ifstream ( filename.Data() );
	if (!*file) {
		AliError(Form("Error opening file (%s) !",filename.Data()));
		file->close();
		delete file;
		return NULL;
	}
	TMap* mapLHC = new TMap();
	mapLHC->SetOwnerKeyValue();
	TString strLine;
	Int_t lhcEntries;
	Int_t nBlocks = 0;
	Int_t nline =0;
	while(strLine.ReadLine(*file)){
		nline++;
		AliDebug(3,Form("line n. = %d",nline));
		// tokenize the line with tabs
		//if (strLine.BeginsWith("=")) continue;
		//if (!strLine.CompareTo("END_OF_BLOCK")) {
		if (strLine.Contains("END_OF_BLOCK")) {
			AliDebug(2,"END_OF_BLOCK");
			nBlocks++;
			continue;
		}
		TObjArray* tokens = strLine.Tokenize("\t");
		Int_t ntokens = tokens->GetEntriesFast();
		AliDebug(3,Form("Number of tokens = %d",ntokens));
		if (ntokens == 2 && !(((TObjString*)tokens->At(0))->String()).CompareTo("LHC_ENTRIES")){
			lhcEntries = (((TObjString*)tokens->At(1))->String()).Atoi();
			AliInfo(Form("LHC entries = %d",lhcEntries));
			AliDebug(3,Form("LHC entries = %d",lhcEntries));
			continue;
		}
		if (ntokens == 1 && !(((TObjString*)tokens->At(0))->String()).CompareTo("END_OF_DATA")){
			AliDebug(2,"End of file reached");
			delete tokens;
			break;
		}
		if (ntokens < 4){  
			AliInfo(Form("Wrong number of tokens --> # tokens = %d at line %d",ntokens,nline));
			// requiring at least the index of the DP, the DP name, the format, and the number of entries
			delete tokens;
			continue;
		}
		Int_t lhcDPindex = (((TObjString*)tokens->At(0))->String()).Atoi();
		AliDebug(2,Form("lhcDPindex = %d",lhcDPindex));
		TObjString* lhcDPname = (TObjString*)tokens->At(1);
		TString lhcDPtype = ((TObjString*)tokens->At(2))->String();
		AliDebug(2,Form("lhcDPname = %s",(lhcDPname->String()).Data()));
		AliDebug(2,Form("lhcDPtype = %s",lhcDPtype.Data()));
		TObjArray* typeTokens = lhcDPtype.Tokenize(":");
		if (typeTokens->GetEntriesFast() < 2 ){  
			// requiring the the type and the number of elements for each measurement
			AliError(Form("The format does not match the expected one, skipping the current line for DP = %s", lhcDPtype.Data()));
			delete typeTokens;
			delete tokens;
			continue;
		}
		TString type = ((TObjString*)typeTokens->At(0))->String();
		AliDebug(2,Form("type = %s",type.Data()));
      		Int_t nelements = (((TObjString*)typeTokens->At(1))->String()).Atoi();
		AliDebug(2,Form("nelements = %i",nelements));
		Int_t nentries = (((TObjString*)tokens->At(3))->String()).Atoi();
		AliDebug(2,Form("nentries = %i",nentries));
		Int_t nValuesPerEntry = nelements+1;
		Int_t nfixed = 4; // n. of fixed entries
		TObjArray* array;
		if (mapLHC->GetValue(lhcDPname)==0x0){
			array = new TObjArray();
			array->SetOwner(1);
			mapLHC->Add(new TObjString(lhcDPname->String()),array);			
		}
		else{
			array = (TObjArray*)mapLHC->GetValue(lhcDPname);
			AliDebug(2,Form("entry found! --> %p",array));
		}
					
		for (Int_t ientry=0; ientry< nentries; ientry ++){
			Int_t indextime = nfixed+nValuesPerEntry*ientry+nelements;
			TString strTimestamp = ((TObjString*)tokens->At(indextime))->String();
			Double_t timestamp = strTimestamp.Atof();
			AliDebug(2,Form("Timestamp in unix time = %f (s)",timestamp));
			if (fStartTime!=0 && fEndTime!=0 && (fStartTime > timestamp || fEndTime < timestamp)){
				// error in case the measurement is not within the data taking time interval
				AliError(Form("Timestamp for entry %d of DP %s not in [%d,%d]", ientry, lhcDPtype.Data(),fStartTime,fEndTime));
				continue;
			}
			if (type == "i"){
				Int_t* value = new Int_t[nelements];
				for (Int_t ielement=0; ielement<nelements; ielement++){
					value[ielement] = (((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atoi();
					AliDebug(2,Form("Value at index %d = %d",nfixed+ielement+ientry*nValuesPerEntry,value[ielement]));
				}
				AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
				array->Add(dcs);
				delete[] value;
			}
			else if (type == "b"){
				Bool_t* value = new Bool_t[nelements];
				for (Int_t ielement=0; ielement<nelements; ielement++){
					value[ielement] = Bool_t((((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atoi());
					AliDebug(2,Form("Value at index %d = %d",nfixed+ielement+ientry*nValuesPerEntry,Int_t(value[ielement])));
				}
				AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
				array->Add(dcs);
				delete[] value;
			}
			else if (type == "f"){ // the floats should be considered as doubles
				Double_t* value = new Double_t[nelements];
				for (Int_t ielement=0; ielement<nelements; ielement++){
					TString tempstr = (TString)(((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String());
					value[ielement] = (((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()).Atof();
					AliDebug(2,Form("Value at index %d = %f from string %s",nfixed+ielement+ientry*nValuesPerEntry,value[ielement],tempstr.Data()));
				} 
				AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
				array->Add(dcs);
				delete[] value;
			} 
			else if (type == "s"){
				TObjArray* value = new TObjArray();
				value->SetOwner(1);
				for (Int_t ielement=0; ielement<nelements; ielement++){
				  TObjString* strobj = (new TObjString(((TObjString*)tokens->At(nfixed+ielement+ientry*nValuesPerEntry))->String()));
					AliDebug(2,Form("Value at index %d = %s",nfixed+ielement+ientry*nValuesPerEntry,(strobj->String()).Data()));
					value->Add(strobj);
				}
				AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
				array->Add(dcs);
				delete value;
			}
			else{
				AliError(Form("Non-expected type %s",type.Data()));
				delete typeTokens;
				delete tokens;	
				file->close();
				delete file;	
				return NULL;
			} 
		}
		delete typeTokens;
		delete tokens;
	}
	file->close();
	delete file;
	return mapLHC;
}
Commit	Line	Data
d96c6484	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>
30ec5bf7	34	#include <TError.h>
d96c6484	35
	36	#include "AliDCSArray.h"
	37	#include "AliLHCReader.h"
	38	#include "AliLog.h"
	39
	40	//--------------------------------------------------------------------------
	41	AliLHCReader::AliLHCReader():
	42	TObject(),
	43	fStartTime(0),
	44	fEndTime(0)
	45	{
	46	// default ctor
	47	}
	48
	49	//--------------------------------------------------------------------------
	50	AliLHCReader::~AliLHCReader()
	51	{
	52	//
	53	// dtor
	54	//
	55	}
	56
	57	//--------------------------------------------------------------------------
	58	TMap* AliLHCReader::ReadLHCDP(TString filename)
	59	{
	60	//
	61	// reading the file with the inputs
	62	//
	63
	64	if( gSystem->AccessPathName( filename.Data() ) ) {
	65	AliError(Form( "file (%s) not found", filename.Data() ) );
	66	return NULL;
	67	}
	68
	69	ifstream *file = new ifstream ( filename.Data() );
	70	if (!*file) {
	71	AliError(Form("Error opening file (%s) !",filename.Data()));
	72	file->close();
	73	delete file;
	74	return NULL;
	75	}
	76	TMap* mapLHC = new TMap();
e541e2aa	77	mapLHC->SetOwnerKeyValue();
d96c6484	78	TString strLine;
30ec5bf7	79	Int_t lhcEntries;
30ec5bf7	80	Int_t nBlocks = 0;
30ec5bf7	81	Int_t nline =0;
d96c6484	82	while(strLine.ReadLine(*file)){
30ec5bf7	83	nline++;
30ec5bf7	84	AliDebug(3,Form("line n. = %d",nline));
d96c6484	85	// tokenize the line with tabs
30ec5bf7	86	//if (strLine.BeginsWith("=")) continue;
	87	//if (!strLine.CompareTo("END_OF_BLOCK")) {
	88	if (strLine.Contains("END_OF_BLOCK")) {
571b4b9f	89	AliDebug(2,"END_OF_BLOCK");
30ec5bf7	90	nBlocks++;
	91	continue;
	92	}
	93	TObjArray* tokens = strLine.Tokenize("\t");
d96c6484	94	Int_t ntokens = tokens->GetEntriesFast();
30ec5bf7	95	AliDebug(3,Form("Number of tokens = %d",ntokens));
	96	if (ntokens == 2 && !(((TObjString*)tokens->At(0))->String()).CompareTo("LHC_ENTRIES")){
	97	lhcEntries = (((TObjString*)tokens->At(1))->String()).Atoi();
	98	AliInfo(Form("LHC entries = %d",lhcEntries));
	99	AliDebug(3,Form("LHC entries = %d",lhcEntries));
	100	continue;
	101	}
	102	if (ntokens == 1 && !(((TObjString*)tokens->At(0))->String()).CompareTo("END_OF_DATA")){
571b4b9f	103	AliDebug(2,"End of file reached");
e541e2aa	104	delete tokens;
30ec5bf7	105	break;
	106	}
	107	if (ntokens < 4){
	108	AliInfo(Form("Wrong number of tokens --> # tokens = %d at line %d",ntokens,nline));
	109	// requiring at least the index of the DP, the DP name, the format, and the number of entries
d96c6484	110	delete tokens;
	111	continue;
	112	}
30ec5bf7	113	Int_t lhcDPindex = (((TObjString*)tokens->At(0))->String()).Atoi();
	114	AliDebug(2,Form("lhcDPindex = %d",lhcDPindex));
	115	TObjString* lhcDPname = (TObjString*)tokens->At(1);
	116	TString lhcDPtype = ((TObjString*)tokens->At(2))->String();
571b4b9f	117	AliDebug(2,Form("lhcDPname = %s",(lhcDPname->String()).Data()));
d96c6484	118	AliDebug(2,Form("lhcDPtype = %s",lhcDPtype.Data()));
	119	TObjArray* typeTokens = lhcDPtype.Tokenize(":");
	120	if (typeTokens->GetEntriesFast() < 2 ){
	121	// requiring the the type and the number of elements for each measurement
	122	AliError(Form("The format does not match the expected one, skipping the current line for DP = %s", lhcDPtype.Data()));
	123	delete typeTokens;
e541e2aa	124	delete tokens;
d96c6484	125	continue;
	126	}
	127	TString type = ((TObjString*)typeTokens->At(0))->String();
	128	AliDebug(2,Form("type = %s",type.Data()));
	129	Int_t nelements = (((TObjString*)typeTokens->At(1))->String()).Atoi();
	130	AliDebug(2,Form("nelements = %i",nelements));
30ec5bf7	131	Int_t nentries = (((TObjString*)tokens->At(3))->String()).Atoi();
d96c6484	132	AliDebug(2,Form("nentries = %i",nentries));
d96c6484	133	Int_t nValuesPerEntry = nelements+1;
30ec5bf7	134	Int_t nfixed = 4; // n. of fixed entries
	135	TObjArray* array;
	136	if (mapLHC->GetValue(lhcDPname)==0x0){
	137	array = new TObjArray();
	138	array->SetOwner(1);
e541e2aa	139	mapLHC->Add(new TObjString(lhcDPname->String()),array);
30ec5bf7	140	}
30ec5bf7	141	else{
e541e2aa	142	array = (TObjArray*)mapLHC->GetValue(lhcDPname);
30ec5bf7	143	AliDebug(2,Form("entry found! --> %p",array));
	144	}
	145
d96c6484	146	for (Int_t ientry=0; ientry< nentries; ientry ++){
	147	Int_t indextime = nfixed+nValuesPerEntry*ientry+nelements;
	148	TString strTimestamp = ((TObjString*)tokens->At(indextime))->String();
30ec5bf7	149	Double_t timestamp = strTimestamp.Atof();
	150	AliDebug(2,Form("Timestamp in unix time = %f (s)",timestamp));
	151	if (fStartTime!=0 && fEndTime!=0 && (fStartTime > timestamp \|\| fEndTime < timestamp)){
d96c6484	152	// error in case the measurement is not within the data taking time interval
	153	AliError(Form("Timestamp for entry %d of DP %s not in [%d,%d]", ientry, lhcDPtype.Data(),fStartTime,fEndTime));
	154	continue;
	155	}
	156	if (type == "i"){
	157	Int_t* value = new Int_t[nelements];
	158	for (Int_t ielement=0; ielement<nelements; ielement++){
	159	value[ielement] = (((TObjString)tokens->At(nfixed+ielement+ientrynValuesPerEntry))->String()).Atoi();
	160	AliDebug(2,Form("Value at index %d = %d",nfixed+ielement+ientry*nValuesPerEntry,value[ielement]));
	161	}
	162	AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
	163	array->Add(dcs);
e541e2aa	164	delete[] value;
d96c6484	165	}
30ec5bf7	166	else if (type == "b"){
	167	Bool_t* value = new Bool_t[nelements];
	168	for (Int_t ielement=0; ielement<nelements; ielement++){
	169	value[ielement] = Bool_t((((TObjString)tokens->At(nfixed+ielement+ientrynValuesPerEntry))->String()).Atoi());
	170	AliDebug(2,Form("Value at index %d = %d",nfixed+ielement+ientry*nValuesPerEntry,Int_t(value[ielement])));
	171	}
	172	AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
	173	array->Add(dcs);
e541e2aa	174	delete[] value;
30ec5bf7	175	}
	176	else if (type == "f"){ // the floats should be considered as doubles
	177	Double_t* value = new Double_t[nelements];
d96c6484	178	for (Int_t ielement=0; ielement<nelements; ielement++){
30ec5bf7	179	TString tempstr = (TString)(((TObjString)tokens->At(nfixed+ielement+ientrynValuesPerEntry))->String());
d96c6484	180	value[ielement] = (((TObjString)tokens->At(nfixed+ielement+ientrynValuesPerEntry))->String()).Atof();
30ec5bf7	181	AliDebug(2,Form("Value at index %d = %f from string %s",nfixed+ielement+ientry*nValuesPerEntry,value[ielement],tempstr.Data()));
d96c6484	182	}
	183	AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
	184	array->Add(dcs);
e541e2aa	185	delete[] value;
d96c6484	186	}
d96c6484	187	else if (type == "s"){
30ec5bf7	188	TObjArray* value = new TObjArray();
e541e2aa	189	value->SetOwner(1);
d96c6484	190	for (Int_t ielement=0; ielement<nelements; ielement++){
e541e2aa	191	TObjString* strobj = (new TObjString(((TObjString)tokens->At(nfixed+ielement+ientrynValuesPerEntry))->String()));
30ec5bf7	192	AliDebug(2,Form("Value at index %d = %s",nfixed+ielement+ientry*nValuesPerEntry,(strobj->String()).Data()));
30ec5bf7	193	value->Add(strobj);
d96c6484	194	}
	195	AliDCSArray* dcs = new AliDCSArray(nelements,value,timestamp);
	196	array->Add(dcs);
e541e2aa	197	delete value;
d96c6484	198	}
d96c6484	199	else{
30ec5bf7	200	AliError(Form("Non-expected type %s",type.Data()));
e541e2aa	201	delete typeTokens;
	202	delete tokens;
	203	file->close();
	204	delete file;
d96c6484	205	return NULL;
	206	}
	207	}
e541e2aa	208	delete typeTokens;
e541e2aa	209	delete tokens;
d96c6484	210	}
e541e2aa	211	file->close();
e541e2aa	212	delete file;
d96c6484	213	return mapLHC;
	214	}
	215
d96c6484	216
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