avoid warning for the default HLT simulation
[u/mrichter/AliRoot.git] / HLT / BASE / util / AliHLTBlockFilterComponent.cxx
CommitLineData
4b31e06b 1// $Id$
9bf94558 2
c1292031 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//**************************************************************************
9bf94558 18
19/** @file AliHLTBlockFilterComponent.cxx
20 @author Matthias Richter
21 @date
22 @brief A simple data block filter and merger, merges block descriptors
c1292031 23*/
9bf94558 24
25#include <cstdlib>
26#include "AliHLTBlockFilterComponent.h"
27#include "TString.h"
28
29/** ROOT macro for the implementation of ROOT specific class methods */
30ClassImp(AliHLTBlockFilterComponent)
31
32AliHLTBlockFilterComponent::AliHLTBlockFilterComponent()
3bf0e1d7 33 :
34 fFilterRules()
9bf94558 35{
36 // see header file for class documentation
37 // or
38 // refer to README to build package
39 // or
40 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
41}
42
43AliHLTBlockFilterComponent::~AliHLTBlockFilterComponent()
44{
45 // see header file for class documentation
46}
47
48void AliHLTBlockFilterComponent::GetInputDataTypes(AliHLTComponentDataTypeList& list)
49{
50 // see header file for class documentation
51 list.clear();
52 list.push_back(kAliHLTAnyDataType);
53}
54
55AliHLTComponentDataType AliHLTBlockFilterComponent::GetOutputDataType()
56{
57 // see header file for class documentation
58 if (fFilterRules.size()==1) return fFilterRules[0].fDataType;
c57201be 59 if (fFilterRules.size()==0) return kAliHLTAnyDataType;
9bf94558 60 return kAliHLTMultipleDataType;
61}
62
63int AliHLTBlockFilterComponent::GetOutputDataTypes(AliHLTComponentDataTypeList& tgtList)
64{
65 // see header file for class documentation
66 tgtList.clear();
67 AliHLTComponentBlockDataList::iterator desc=fFilterRules.begin();
68 while (desc!=fFilterRules.end()) {
69 AliHLTComponentDataTypeList::iterator type=tgtList.begin();
70 while (type!=tgtList.end()) {
71 if (*type==(*desc).fDataType) break;
72 type++;
73 }
74 if (type==tgtList.end()) tgtList.push_back((*desc).fDataType);
75 desc++;
76 }
77 return tgtList.size();
78}
79
80void AliHLTBlockFilterComponent::GetOutputDataSize( unsigned long& constBase, double& inputMultiplier )
81{
82 // see header file for class documentation
83 constBase=0;
84 inputMultiplier=0.0; // there is no new data, just forwarded descriptors
85}
86
87int AliHLTBlockFilterComponent::DoInit( int argc, const char** argv )
88{
89 int iResult=0;
90 TString argument="";
91 int bMissingParam=0;
92 AliHLTComponentBlockData rule;
93 FillBlockData(rule);
94 for (int i=0; i<argc && iResult>=0; i++) {
95 argument=argv[i];
96 if (argument.IsNull()) continue;
97
98 // -datatype
99 if (argument.CompareTo("-datatype")==0) {
100 if ((bMissingParam=(i+2>=argc))) break;
101
d8f5c9fe 102 if (!MatchExactly(rule.fDataType,kAliHLTAnyDataType)) {
9bf94558 103 // the data type has already been set, add to list
104 // and reset
105 fFilterRules.push_back(rule);
106 FillBlockData(rule);
107 }
108
109 SetDataType(rule.fDataType, argv[i+1], argv[i+2]);
110 i+=2;
111
a7ad9794 112 // -origin
113 } else if (argument.CompareTo("-origin")==0) {
114 if ((bMissingParam=(i+1>=argc))) break;
115
116 if (!MatchExactly(rule.fDataType,kAliHLTAnyDataType)) {
117 // the data type has already been set, add to list
118 // and reset
119 fFilterRules.push_back(rule);
120 FillBlockData(rule);
121 }
122
123 SetDataType(rule.fDataType, NULL, argv[i+1]);
124 i+=1;
125
126 // -typeid
127 } else if (argument.CompareTo("-typeid")==0) {
128 if ((bMissingParam=(i+1>=argc))) break;
129
130 if (!MatchExactly(rule.fDataType,kAliHLTAnyDataType)) {
131 // the data type has already been set, add to list
132 // and reset
133 fFilterRules.push_back(rule);
134 FillBlockData(rule);
135 }
136
137 SetDataType(rule.fDataType, argv[i+1], NULL);
138 i+=1;
139
9bf94558 140 // -dataspec
141 } else if (argument.CompareTo("-dataspec")==0) {
142 if ((bMissingParam=(++i>=argc))) break;
143
144 if (rule.fSpecification!=kAliHLTVoidDataSpec) {
145 // the specification has already been set, add to list
146 // and reset
147 fFilterRules.push_back(rule);
148 FillBlockData(rule);
149 }
150
151 TString parameter(argv[i]);
152 parameter.Remove(TString::kLeading, ' '); // remove all blanks
153 char* pRemnant=NULL;
154 rule.fSpecification=strtoul(parameter.Data(), &pRemnant, 0);
155 if (pRemnant!=NULL && pRemnant[0]!=0) {
156 HLTError("invalid parameter/remnant (%s) for argument %s, number expected", pRemnant, argument.Data());
157 iResult=-EINVAL;
158 }
159 } else {
160 HLTError("unknown argument %s", argument.Data());
161 iResult=-EINVAL;
162 break;
163 }
164 }
d8f5c9fe 165 if (iResult>=0 && (rule.fSpecification!=kAliHLTVoidDataSpec || !MatchExactly(rule.fDataType,kAliHLTAnyDataType))) {
9bf94558 166 // add the pending rule
167 fFilterRules.push_back(rule);
168 FillBlockData(rule);
169 }
170 return iResult;
171}
172
173int AliHLTBlockFilterComponent::DoDeinit()
174{
175 int iResult=0;
176 fFilterRules.clear();
177 return iResult;
178}
179
b0914d2e 180int AliHLTBlockFilterComponent::DoEvent( const AliHLTComponentEventData& /*evtData*/,
181 const AliHLTComponentBlockData* /*blocks*/,
9bf94558 182 AliHLTComponentTriggerData& /*trigData*/,
183 AliHLTUInt8_t* /*outputPtr*/,
184 AliHLTUInt32_t& size,
b0914d2e 185 AliHLTComponentBlockDataList& /*outputBlocks*/ )
9bf94558 186{
187 // see header file for class documentation
188 int iResult=0;
c7e9e2f2 189 for (const AliHLTComponentBlockData* pBlock=GetFirstInputBlock();
190 pBlock!=NULL;
191 pBlock=GetNextInputBlock()) {
192 if (IsSelected(*pBlock)) {
193 HLTDebug("block type %s %#x (ptr=%p offset=%d size=%d) selected by filter rules",
194 DataType2Text(pBlock->fDataType).c_str(), pBlock->fSpecification,
195 pBlock->fPtr, pBlock->fOffset, pBlock->fSize);
196 Forward();
9bf94558 197 } else {
c7e9e2f2 198 HLTDebug("block type %s %#x discarded by filter rules", DataType2Text(pBlock->fDataType).c_str(), pBlock->fSpecification);
9bf94558 199 }
200 }
201 size=0;
202 return iResult;
203}
204
205int AliHLTBlockFilterComponent::IsSelected(const AliHLTComponentBlockData& block)
206{
207 // see header file for class documentation
208 AliHLTComponentBlockDataList::iterator desc=fFilterRules.begin();
209 //HLTDebug("check block: %s spec %#x", DataType2Text(block.fDataType, 1).c_str(), block.fSpecification);
210 if (desc==fFilterRules.end()) return 1; // no filter rules
211 do {
212 // match if
213 // 1. data types match or filter data type not set
214 // 2. data spec match or filter data wpec not set
215 // 3. either filter data type or spec is set
216 //HLTDebug("check rule : %s spec %#x", DataType2Text((*desc).fDataType, 2).c_str(), block.fSpecification);
d8f5c9fe 217 if (((*desc).fDataType==block.fDataType) &&
9bf94558 218 ((*desc).fSpecification==block.fSpecification || (*desc).fSpecification==kAliHLTVoidDataSpec) &&
d8f5c9fe 219 (!MatchExactly((*desc).fDataType,kAliHLTAnyDataType) || (*desc).fSpecification!=kAliHLTVoidDataSpec)) {
9bf94558 220 return 1;
221 }
222 } while (++desc!=fFilterRules.end());
223
224 return 0;
225}