[u/mrichter/AliRoot.git] / HLT / ITS / AliHLTITSAgent.cxx

// $Id$

//**************************************************************************
//* This file is property of and copyright by the ALICE HLT Project        * 
//* ALICE Experiment at CERN, All rights reserved.                         *
//*                                                                        *
//* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no>        *
//*                  for The ALICE HLT Project.                            *
//*                                                                        *
//* 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.                  *
//**************************************************************************

/** @file   AliHLTITSAgent.cxx
    @author Matthias Richter
    @date   25.08.2008
    @brief  Agent of the libAliHLTITS library
*/

#include <cassert>
#include "AliHLTITSAgent.h"
#include "AliHLTConfiguration.h"
#include "AliHLTOUT.h"
#include "AliHLTDAQ.h"

// header files of library components

// header file of the module preprocessor
#include "AliHLTITSCompressRawDataSDDComponent.h"
#include "AliHLTITSSSDQARecPointsComponent.h"
#include "AliHLTITSQAComponent.h"
#include "AliHLTITSClusterFinderComponent.h"
#include "AliHLTITSClusterHistoComponent.h"
#include "AliHLTITSTrackerComponent.h"
#include "AliHLTITSVertexerSPDComponent.h"
#include "AliHLTITSDigitPublisherComponent.h"

/** global instance for agent registration */
AliHLTITSAgent gAliHLTITSAgent;

/** ROOT macro for the implementation of ROOT specific class methods */
ClassImp(AliHLTITSAgent)

AliHLTITSAgent::AliHLTITSAgent()
  :
  AliHLTModuleAgent("ITS"),
  fRawDataHandler(NULL)
{
  // see header file for class documentation
  // or
  // refer to README to build package
  // or
  // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
}

AliHLTITSAgent::~AliHLTITSAgent()
{
  // see header file for class documentation
}

int AliHLTITSAgent::CreateConfigurations(AliHLTConfigurationHandler* handler,
					 AliRawReader* rawReader,
					 AliRunLoader* runloader) const
{
  // see header file for class documentation
  int iResult=0;
  if (!handler) return -EINVAL;

  ///////////////////////////////////////////////////////////////////////////////////////////////////
  ///////////////////////////////////////////////////////////////////////////////////////////////////
  //
  // ITS tracking is currently only working on raw data
  // to run on digits, a digit publisher needs to be implemented

  if (rawReader || !runloader) {
    // AliSimulation: use the AliRawReaderPublisher if the raw reader is available
    // Alireconstruction: indicated by runloader==NULL, run always on raw data

    ///////////////////////////////////////////////////////////////////////////////////////////////////
    //
    // define the ITS cluster finder configurations
    //

    TString spdCF;
    TString ssdCF;
    TString sddCF;
    
    iResult=CreateCFConfigurations(handler, AliHLTDAQ::DetectorID("ITSSPD"), spdCF);
    handler->CreateConfiguration("ITS-SPD-CF","BlockFilter",spdCF.Data(),"");

    iResult=CreateCFConfigurations(handler, AliHLTDAQ::DetectorID("ITSSDD"), sddCF);
    handler->CreateConfiguration("ITS-SDD-CF","BlockFilter",sddCF.Data(),"");

    iResult=CreateCFConfigurations(handler, AliHLTDAQ::DetectorID("ITSSSD"), ssdCF);
    handler->CreateConfiguration("ITS-SSD-CF","BlockFilter",ssdCF.Data(),"");


    ///////////////////////////////////////////////////////////////////////////////////////////////////
    //
    // define the SPD vertexer Z configuration
    //
    handler->CreateConfiguration("ITS-SPD-vertexer","ITSVertexerSPD", "ITS-SPD-CF","");
    

    ///////////////////////////////////////////////////////////////////////////////////////////////////
    //
    // define the ITS tracker configuration
    //
    TString trackerInput="ITS-SPD-CF ITS-SDD-CF ITS-SSD-CF";

    if (handler->FindConfiguration("TPC-globalmerger")) {
      trackerInput+=" TPC-globalmerger";
    }
    handler->CreateConfiguration("ITS-tracker","ITSTracker",trackerInput.Data(),"");
  }
  return 0;
}

const char* AliHLTITSAgent::GetReconstructionChains(AliRawReader* /*rawReader*/,
						       AliRunLoader* runloader) const
{
  // see header file for class documentation
  if (runloader) {
    // reconstruction chains for AliRoot simulation
    // Note: run loader is only available while running embedded into
    // AliRoot simulation

    // the chain is just defined and can be used as input for subsequent
    // components
    //return "ITS-tracker";
  }

  return "";
}

const char* AliHLTITSAgent::GetRequiredComponentLibraries() const
{
  // see header file for class documentation
  return "libAliHLTUtil.so libAliHLTRCU.so libAliHLTTPC.so";
}

int AliHLTITSAgent::RegisterComponents(AliHLTComponentHandler* pHandler) const
{
  // see header file for class documentation
  assert(pHandler);
  if (!pHandler) return -EINVAL;
  pHandler->AddComponent(new AliHLTITSCompressRawDataSDDComponent);
  pHandler->AddComponent(new AliHLTITSSSDQARecPointsComponent);
  pHandler->AddComponent(new AliHLTITSQAComponent);
  pHandler->AddComponent(new AliHLTITSClusterFinderComponent(AliHLTITSClusterFinderComponent::kClusterFinderSPD));
  pHandler->AddComponent(new AliHLTITSClusterFinderComponent(AliHLTITSClusterFinderComponent::kClusterFinderSDD));
  pHandler->AddComponent(new AliHLTITSClusterFinderComponent(AliHLTITSClusterFinderComponent::kClusterFinderSSD));
  pHandler->AddComponent(new AliHLTITSClusterFinderComponent(AliHLTITSClusterFinderComponent::kClusterFinderDigits));
  pHandler->AddComponent(new AliHLTITSClusterHistoComponent);
  pHandler->AddComponent(new AliHLTITSTrackerComponent);
  pHandler->AddComponent(new AliHLTITSVertexerSPDComponent);
  pHandler->AddComponent(new AliHLTITSDigitPublisherComponent);

  return 0;
}

AliHLTModulePreprocessor* AliHLTITSAgent::GetPreprocessor()
{
  // see header file for class documentation
  return NULL;
}

int AliHLTITSAgent::GetHandlerDescription(AliHLTComponentDataType dt,
					     AliHLTUInt32_t spec,
					     AliHLTOUTHandlerDesc& desc) const
{
  // see header file for class documentation

  // Handlers for ITS raw data. Even though there are 3 detectors
  // everything is handled in one module library and one HLTOUT handler.
  // This assumes that the data blocks are sent with data type
  // {DDL_RAW :ISDD} and the bit set in the specification corresponding.
  // to detector DDL id.
  // An HLTOUT handler is implemented to extract the equipment id from
  // the specification.
  // Note: Future versions of the framework will provide a default handler
  // class with that functionality.
  if (dt==(kAliHLTDataTypeDDLRaw|kAliHLTDataOriginITSSDD)) {
      desc=AliHLTOUTHandlerDesc(kRawReader, dt, GetModuleId());
      HLTInfo("module %s handles data block type %s specification %d (0x%x)", 
	      GetModuleId(), AliHLTComponent::DataType2Text(dt).c_str(), spec, spec);
      return 1;
  }
  return 0;
}

AliHLTOUTHandler* AliHLTITSAgent::GetOutputHandler(AliHLTComponentDataType dt,
						   AliHLTUInt32_t /*spec*/)
{
  // see header file for class documentation
  if (dt==(kAliHLTDataTypeDDLRaw|kAliHLTDataOriginITSSDD)) {
    // use the default handler
    if (!fRawDataHandler) {
      fRawDataHandler=new AliHLTOUTSDDRawDataHandler;
    }
    return fRawDataHandler;
  }
  return NULL;
}

int AliHLTITSAgent::DeleteOutputHandler(AliHLTOUTHandler* pInstance)
{
  // see header file for class documentation
  if (pInstance==NULL) return -EINVAL;

  if (pInstance==fRawDataHandler) {
    delete fRawDataHandler;
    fRawDataHandler=NULL;
    return 0;
  }

  delete pInstance;
  return 0;
}

int AliHLTITSAgent::AliHLTOUTSDDRawDataHandler::ProcessData(AliHLTOUT* pData)
{
  // see header file for class documentation
  if (!pData) return -EINVAL;
  static int errorCount=0;
  const int maxErrorCount=10;
  AliHLTComponentDataType dt=kAliHLTVoidDataType;
  AliHLTUInt32_t spec=kAliHLTVoidDataSpec;
  int iResult=pData->GetDataBlockDescription(dt, spec);
  if (iResult>=0) {
    if (dt==(kAliHLTDataTypeDDLRaw|kAliHLTDataOriginITSSDD)) {
      int ddlOffset=256;//AliDAQ::DdlIDOffset("ITSSDD");
      int numberOfDDLs=24;//AliDAQ::NumberOfDdls("ITSSDD");
      int ddlNo=0;
      for (;ddlNo<32 && ddlNo<numberOfDDLs; ddlNo++) {
	if (spec&(0x1<<ddlNo)) break;
      }
      if (ddlNo>=32 || ddlNo>=numberOfDDLs) {
	HLTError("invalid specification 0x%08x: can not extract DDL id for data block %s", spec, AliHLTComponent::DataType2Text(dt).c_str());
	iResult=-ENODEV;
      } else if (spec^(0x1<<ddlNo)) {
	iResult=-EEXIST;
	HLTError("multiple links set in specification 0x%08x: can not extract DDL id for data block %s", spec, AliHLTComponent::DataType2Text(dt).c_str());
      } else {
	iResult=ddlOffset+ddlNo;
      }
    } else {
      if (errorCount++<10) {
	HLTError("wrong data type: expecting %s, got %s; %s",
		 AliHLTComponent::DataType2Text(kAliHLTDataTypeDDLRaw|kAliHLTDataOriginITSSDD).c_str(),
		 AliHLTComponent::DataType2Text(dt).c_str(),
		   errorCount==maxErrorCount?"suppressing further error messages":"");
      }
      iResult=-EFAULT;
    }
  }
  return iResult;
}

int AliHLTITSAgent::CreateCFConfigurations(AliHLTConfigurationHandler* pHandler, int detectorId, TString& output) const
{
  // see header file for class documentation
  if (!pHandler) return -EINVAL;

  ///////////////////////////////////////////////////////////////////////////////////////////////////
  //
  // define the ITS cluster finder components
  //
    
  //The spec starts from 0x1 in SPD, SDD and SSD. So 0x1 is ddl 0 for SPD, 0x10 is ddl 1, and so on
  //in SDD 0x1 is ddl 256, 0x10 is ddl 257, and so on. This means that the spec has to be set to 0x1 
  //before the loops over the clusterfinder

  TString idString=AliHLTDAQ::DetectorName(detectorId);
  if (idString.CompareTo("ITSSPD") &&
      idString.CompareTo("ITSSDD") &&
      idString.CompareTo("ITSSSD")) {
    HLTError("invalid detector id %d does not describe any ITS detector", detectorId);
    return -ENOENT;
  }

  int minddl=AliHLTDAQ::DdlIDOffset(detectorId);
  int maxddl=minddl+AliHLTDAQ::NumberOfDdls(detectorId)-1;
  int spec=0x1;
  int ddlno=0;

  TString origin=idString; origin.ReplaceAll("ITS", "I");
  TString cfBase=idString; cfBase+="_CF";
  TString componentId=idString; componentId.ReplaceAll("ITS", "ITSClusterFinder");
  for(ddlno=minddl;ddlno<=maxddl;ddlno++){  
    TString arg, publisher, cf;
 
    // the HLT origin defines are 4 chars: ISPD, ISSD, ISDD respectively
    arg.Form("-minid %d -datatype 'DDL_RAW ' '%s' -dataspec 0x%08x",ddlno, origin.Data(), spec);
    if (CheckFilter(kHLTLogDebug)) arg+=" -verbose";
    publisher.Form("ITS-DP_%d", ddlno);
    pHandler->CreateConfiguration(publisher.Data(), "AliRawReaderPublisher", NULL , arg.Data());

    cf.Form("%s_%d",cfBase.Data(), ddlno);
    pHandler->CreateConfiguration(cf.Data(), componentId.Data(), publisher.Data(), "");

    if (output.Length()>0) output+=" ";
    output+=cf;

    spec=spec<<1;
  }
  
  return 0;
}
Commit	Line	Data
dafa46c6	1	// $Id$
	2
	3	//**************************************************************************
	4	//* This file is property of and copyright by the ALICE HLT Project *
	5	//* ALICE Experiment at CERN, All rights reserved. *
	6	//* *
	7	//* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> *
	8	//* for The ALICE HLT Project. *
	9	//* *
	10	//* Permission to use, copy, modify and distribute this software and its *
	11	//* documentation strictly for non-commercial purposes is hereby granted *
	12	//* without fee, provided that the above copyright notice appears in all *
	13	//* copies and that both the copyright notice and this permission notice *
	14	//* appear in the supporting documentation. The authors make no claims *
	15	//* about the suitability of this software for any purpose. It is *
	16	//* provided "as is" without express or implied warranty. *
	17	//**************************************************************************
	18
	19	/** @file AliHLTITSAgent.cxx
	20	@author Matthias Richter
	21	@date 25.08.2008
	22	@brief Agent of the libAliHLTITS library
	23	*/
	24
	25	#include <cassert>
	26	#include "AliHLTITSAgent.h"
	27	#include "AliHLTConfiguration.h"
6b87e199	28	#include "AliHLTOUT.h"
68315dc4	29	#include "AliHLTDAQ.h"
dafa46c6	30
	31	// header files of library components
	32
	33	// header file of the module preprocessor
0c7d42ab	34	#include "AliHLTITSCompressRawDataSDDComponent.h"
fd091d74	35	#include "AliHLTITSSSDQARecPointsComponent.h"
fd091d74	36	#include "AliHLTITSQAComponent.h"
6b7742a2	37	#include "AliHLTITSClusterFinderComponent.h"
c0b68f8e	38	#include "AliHLTITSClusterHistoComponent.h"
f2d22774	39	#include "AliHLTITSTrackerComponent.h"
7f167a74	40	#include "AliHLTITSVertexerSPDComponent.h"
618f422f	41	#include "AliHLTITSDigitPublisherComponent.h"
dafa46c6	42
dafa46c6	43	/** global instance for agent registration */
	44	AliHLTITSAgent gAliHLTITSAgent;
	45
	46	/** ROOT macro for the implementation of ROOT specific class methods */
	47	ClassImp(AliHLTITSAgent)
	48
	49	AliHLTITSAgent::AliHLTITSAgent()
	50	:
	51	AliHLTModuleAgent("ITS"),
	52	fRawDataHandler(NULL)
	53	{
	54	// see header file for class documentation
	55	// or
	56	// refer to README to build package
	57	// or
	58	// visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
	59	}
	60
	61	AliHLTITSAgent::~AliHLTITSAgent()
	62	{
	63	// see header file for class documentation
	64	}
	65
68315dc4	66	int AliHLTITSAgent::CreateConfigurations(AliHLTConfigurationHandler* handler,
7c6a3cd3	67	AliRawReader* rawReader,
7c6a3cd3	68	AliRunLoader* runloader) const
dafa46c6	69	{
dafa46c6	70	// see header file for class documentation
68315dc4	71	int iResult=0;
	72	if (!handler) return -EINVAL;
	73
	74	///////////////////////////////////////////////////////////////////////////////////////////////////
	75	///////////////////////////////////////////////////////////////////////////////////////////////////
	76	//
	77	// ITS tracking is currently only working on raw data
	78	// to run on digits, a digit publisher needs to be implemented
7c6a3cd3	79
	80	if (rawReader \|\| !runloader) {
	81	// AliSimulation: use the AliRawReaderPublisher if the raw reader is available
	82	// Alireconstruction: indicated by runloader==NULL, run always on raw data
68315dc4	83
	84	///////////////////////////////////////////////////////////////////////////////////////////////////
	85	//
7c6a3cd3	86	// define the ITS cluster finder configurations
68315dc4	87	//
68315dc4	88
be2c9ca9	89	TString spdCF;
	90	TString ssdCF;
	91	TString sddCF;
	92
	93	iResult=CreateCFConfigurations(handler, AliHLTDAQ::DetectorID("ITSSPD"), spdCF);
	94	handler->CreateConfiguration("ITS-SPD-CF","BlockFilter",spdCF.Data(),"");
	95
	96	iResult=CreateCFConfigurations(handler, AliHLTDAQ::DetectorID("ITSSDD"), sddCF);
	97	handler->CreateConfiguration("ITS-SDD-CF","BlockFilter",sddCF.Data(),"");
	98
	99	iResult=CreateCFConfigurations(handler, AliHLTDAQ::DetectorID("ITSSSD"), ssdCF);
	100	handler->CreateConfiguration("ITS-SSD-CF","BlockFilter",ssdCF.Data(),"");
	101
	102
	103	///////////////////////////////////////////////////////////////////////////////////////////////////
	104	//
	105	// define the SPD vertexer Z configuration
	106	//
	107	handler->CreateConfiguration("ITS-SPD-vertexer","ITSVertexerSPD", "ITS-SPD-CF","");
	108
7c6a3cd3	109
	110	///////////////////////////////////////////////////////////////////////////////////////////////////
	111	//
	112	// define the ITS tracker configuration
	113	//
be2c9ca9	114	TString trackerInput="ITS-SPD-CF ITS-SDD-CF ITS-SSD-CF";
be2c9ca9	115
68315dc4	116	if (handler->FindConfiguration("TPC-globalmerger")) {
	117	trackerInput+=" TPC-globalmerger";
	118	}
	119	handler->CreateConfiguration("ITS-tracker","ITSTracker",trackerInput.Data(),"");
	120	}
dafa46c6	121	return 0;
	122	}
	123
	124	const char* AliHLTITSAgent::GetReconstructionChains(AliRawReader* /rawReader/,
68315dc4	125	AliRunLoader* runloader) const
dafa46c6	126	{
dafa46c6	127	// see header file for class documentation
68315dc4	128	if (runloader) {
	129	// reconstruction chains for AliRoot simulation
	130	// Note: run loader is only available while running embedded into
	131	// AliRoot simulation
	132
	133	// the chain is just defined and can be used as input for subsequent
	134	// components
	135	//return "ITS-tracker";
	136	}
dafa46c6	137
	138	return "";
	139	}
	140
	141	const char* AliHLTITSAgent::GetRequiredComponentLibraries() const
	142	{
	143	// see header file for class documentation
68315dc4	144	return "libAliHLTUtil.so libAliHLTRCU.so libAliHLTTPC.so";
dafa46c6	145	}
	146
	147	int AliHLTITSAgent::RegisterComponents(AliHLTComponentHandler* pHandler) const
	148	{
	149	// see header file for class documentation
	150	assert(pHandler);
	151	if (!pHandler) return -EINVAL;
0c7d42ab	152	pHandler->AddComponent(new AliHLTITSCompressRawDataSDDComponent);
fd091d74	153	pHandler->AddComponent(new AliHLTITSSSDQARecPointsComponent);
fd091d74	154	pHandler->AddComponent(new AliHLTITSQAComponent);
6b7742a2	155	pHandler->AddComponent(new AliHLTITSClusterFinderComponent(AliHLTITSClusterFinderComponent::kClusterFinderSPD));
	156	pHandler->AddComponent(new AliHLTITSClusterFinderComponent(AliHLTITSClusterFinderComponent::kClusterFinderSDD));
	157	pHandler->AddComponent(new AliHLTITSClusterFinderComponent(AliHLTITSClusterFinderComponent::kClusterFinderSSD));
618f422f	158	pHandler->AddComponent(new AliHLTITSClusterFinderComponent(AliHLTITSClusterFinderComponent::kClusterFinderDigits));
c0b68f8e	159	pHandler->AddComponent(new AliHLTITSClusterHistoComponent);
f2d22774	160	pHandler->AddComponent(new AliHLTITSTrackerComponent);
7f167a74	161	pHandler->AddComponent(new AliHLTITSVertexerSPDComponent);
618f422f	162	pHandler->AddComponent(new AliHLTITSDigitPublisherComponent);
dafa46c6	163
	164	return 0;
	165	}
	166
	167	AliHLTModulePreprocessor* AliHLTITSAgent::GetPreprocessor()
	168	{
	169	// see header file for class documentation
	170	return NULL;
	171	}
	172
	173	int AliHLTITSAgent::GetHandlerDescription(AliHLTComponentDataType dt,
	174	AliHLTUInt32_t spec,
	175	AliHLTOUTHandlerDesc& desc) const
	176	{
	177	// see header file for class documentation
	178
	179	// Handlers for ITS raw data. Even though there are 3 detectors
	180	// everything is handled in one module library and one HLTOUT handler.
	181	// This assumes that the data blocks are sent with data type
6b87e199	182	// {DDL_RAW :ISDD} and the bit set in the specification corresponding.
	183	// to detector DDL id.
	184	// An HLTOUT handler is implemented to extract the equipment id from
	185	// the specification.
	186	// Note: Future versions of the framework will provide a default handler
	187	// class with that functionality.
	188	if (dt==(kAliHLTDataTypeDDLRaw\|kAliHLTDataOriginITSSDD)) {
dafa46c6	189	desc=AliHLTOUTHandlerDesc(kRawReader, dt, GetModuleId());
	190	HLTInfo("module %s handles data block type %s specification %d (0x%x)",
	191	GetModuleId(), AliHLTComponent::DataType2Text(dt).c_str(), spec, spec);
	192	return 1;
	193	}
	194	return 0;
	195	}
	196
	197	AliHLTOUTHandler* AliHLTITSAgent::GetOutputHandler(AliHLTComponentDataType dt,
	198	AliHLTUInt32_t /spec/)
	199	{
	200	// see header file for class documentation
6b87e199	201	if (dt==(kAliHLTDataTypeDDLRaw\|kAliHLTDataOriginITSSDD)) {
dafa46c6	202	// use the default handler
dafa46c6	203	if (!fRawDataHandler) {
6b87e199	204	fRawDataHandler=new AliHLTOUTSDDRawDataHandler;
dafa46c6	205	}
	206	return fRawDataHandler;
	207	}
	208	return NULL;
	209	}
	210
	211	int AliHLTITSAgent::DeleteOutputHandler(AliHLTOUTHandler* pInstance)
	212	{
	213	// see header file for class documentation
	214	if (pInstance==NULL) return -EINVAL;
	215
	216	if (pInstance==fRawDataHandler) {
	217	delete fRawDataHandler;
	218	fRawDataHandler=NULL;
	219	return 0;
	220	}
	221
	222	delete pInstance;
	223	return 0;
	224	}
6b87e199	225
	226	int AliHLTITSAgent::AliHLTOUTSDDRawDataHandler::ProcessData(AliHLTOUT* pData)
	227	{
	228	// see header file for class documentation
	229	if (!pData) return -EINVAL;
	230	static int errorCount=0;
	231	const int maxErrorCount=10;
	232	AliHLTComponentDataType dt=kAliHLTVoidDataType;
	233	AliHLTUInt32_t spec=kAliHLTVoidDataSpec;
	234	int iResult=pData->GetDataBlockDescription(dt, spec);
	235	if (iResult>=0) {
	236	if (dt==(kAliHLTDataTypeDDLRaw\|kAliHLTDataOriginITSSDD)) {
	237	int ddlOffset=256;//AliDAQ::DdlIDOffset("ITSSDD");
	238	int numberOfDDLs=24;//AliDAQ::NumberOfDdls("ITSSDD");
	239	int ddlNo=0;
	240	for (;ddlNo<32 && ddlNo<numberOfDDLs; ddlNo++) {
	241	if (spec&(0x1<<ddlNo)) break;
	242	}
	243	if (ddlNo>=32 \|\| ddlNo>=numberOfDDLs) {
	244	HLTError("invalid specification 0x%08x: can not extract DDL id for data block %s", spec, AliHLTComponent::DataType2Text(dt).c_str());
	245	iResult=-ENODEV;
	246	} else if (spec^(0x1<<ddlNo)) {
	247	iResult=-EEXIST;
	248	HLTError("multiple links set in specification 0x%08x: can not extract DDL id for data block %s", spec, AliHLTComponent::DataType2Text(dt).c_str());
	249	} else {
	250	iResult=ddlOffset+ddlNo;
	251	}
	252	} else {
	253	if (errorCount++<10) {
	254	HLTError("wrong data type: expecting %s, got %s; %s",
	255	AliHLTComponent::DataType2Text(kAliHLTDataTypeDDLRaw\|kAliHLTDataOriginITSSDD).c_str(),
	256	AliHLTComponent::DataType2Text(dt).c_str(),
	257	errorCount==maxErrorCount?"suppressing further error messages":"");
	258	}
	259	iResult=-EFAULT;
	260	}
	261	}
	262	return iResult;
	263	}
68315dc4	264
	265	int AliHLTITSAgent::CreateCFConfigurations(AliHLTConfigurationHandler* pHandler, int detectorId, TString& output) const
	266	{
	267	// see header file for class documentation
	268	if (!pHandler) return -EINVAL;
	269
	270	///////////////////////////////////////////////////////////////////////////////////////////////////
	271	//
	272	// define the ITS cluster finder components
	273	//
	274
	275	//The spec starts from 0x1 in SPD, SDD and SSD. So 0x1 is ddl 0 for SPD, 0x10 is ddl 1, and so on
	276	//in SDD 0x1 is ddl 256, 0x10 is ddl 257, and so on. This means that the spec has to be set to 0x1
	277	//before the loops over the clusterfinder
	278
	279	TString idString=AliHLTDAQ::DetectorName(detectorId);
	280	if (idString.CompareTo("ITSSPD") &&
	281	idString.CompareTo("ITSSDD") &&
	282	idString.CompareTo("ITSSSD")) {
	283	HLTError("invalid detector id %d does not describe any ITS detector", detectorId);
	284	return -ENOENT;
	285	}
	286
	287	int minddl=AliHLTDAQ::DdlIDOffset(detectorId);
be2c9ca9	288	int maxddl=minddl+AliHLTDAQ::NumberOfDdls(detectorId)-1;
68315dc4	289	int spec=0x1;
	290	int ddlno=0;
	291
	292	TString origin=idString; origin.ReplaceAll("ITS", "I");
	293	TString cfBase=idString; cfBase+="_CF";
	294	TString componentId=idString; componentId.ReplaceAll("ITS", "ITSClusterFinder");
	295	for(ddlno=minddl;ddlno<=maxddl;ddlno++){
	296	TString arg, publisher, cf;
	297
	298	// the HLT origin defines are 4 chars: ISPD, ISSD, ISDD respectively
3b407ff1	299	arg.Form("-minid %d -datatype 'DDL_RAW ' '%s' -dataspec 0x%08x",ddlno, origin.Data(), spec);
3b407ff1	300	if (CheckFilter(kHLTLogDebug)) arg+=" -verbose";
68315dc4	301	publisher.Form("ITS-DP_%d", ddlno);
	302	pHandler->CreateConfiguration(publisher.Data(), "AliRawReaderPublisher", NULL , arg.Data());
	303
	304	cf.Form("%s_%d",cfBase.Data(), ddlno);
	305	pHandler->CreateConfiguration(cf.Data(), componentId.Data(), publisher.Data(), "");
	306
	307	if (output.Length()>0) output+=" ";
	308	output+=cf;
	309
	310	spec=spec<<1;
	311	}
	312
	313	return 0;
	314	}