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b6935e5b | 1 | // $Id$ |
ae481371 | 2 | // ************************************************************************** |
3 | // This file is property of and copyright by the ALICE HLT Project * | |
4 | // ALICE Experiment at CERN, All rights reserved. * | |
5 | // * | |
6 | // Primary Authors: Sergey Gorbunov <sergey.gorbunov@kip.uni-heidelberg.de> * | |
7 | // Ivan Kisel <kisel@kip.uni-heidelberg.de> * | |
8 | // Matthias Kretz <kretz@kde.org> * | |
9 | // for The ALICE HLT Project. * | |
10 | // * | |
11 | // Permission to use, copy, modify and distribute this software and its * | |
12 | // documentation strictly for non-commercial purposes is hereby granted * | |
13 | // without fee, provided that the above copyright notice appears in all * | |
14 | // copies and that both the copyright notice and this permission notice * | |
15 | // appear in the supporting documentation. The authors make no claims * | |
16 | // about the suitability of this software for any purpose. It is * | |
17 | // provided "as is" without express or implied warranty. * | |
18 | // * | |
19 | //*************************************************************************** | |
20 | ||
b6935e5b | 21 | /// @file AliHLTTPCCATrackerOutputConverter.cxx |
22 | /// @author Sergey Gorbunov | |
23 | /// @date | |
24 | /// @brief Converter of CA tracker output | |
25 | /// | |
ae481371 | 26 | |
ae481371 | 27 | using namespace std; |
ae481371 | 28 | |
29 | #include "AliHLTTPCCATrackerOutputConverter.h" | |
30 | #include "AliHLTTPCTransform.h" | |
ae481371 | 31 | #include "AliHLTTPCCADef.h" |
32 | #include "AliHLTTPCDefinitions.h" | |
33 | #include "AliHLTTPCCATrackConvertor.h" | |
34 | #include "AliHLTTPCCASliceOutput.h" | |
35 | #include "AliHLTTPCCAParam.h" | |
36 | ||
b6935e5b | 37 | #include "AliExternalTrackParam.h" |
ae481371 | 38 | #include "AliCDBEntry.h" |
39 | #include "AliCDBManager.h" | |
40 | #include "TObjString.h" | |
41 | #include "TObjArray.h" | |
42 | #include "AliHLTExternalTrackParam.h" | |
43 | ||
44 | #include <climits> | |
45 | #include <cstdlib> | |
46 | #include <cerrno> | |
47 | ||
48 | ||
49 | // ROOT macro for the implementation of ROOT specific class methods | |
50 | ClassImp( AliHLTTPCCATrackerOutputConverter ) | |
51 | ||
52 | ||
53 | AliHLTTPCCATrackerOutputConverter::AliHLTTPCCATrackerOutputConverter() | |
54 | : fBenchmark("TPCCATrackerOutputConverter") | |
55 | { | |
56 | // see header file for class documentation | |
57 | } | |
58 | ||
59 | // Public functions to implement AliHLTComponent's interface. | |
60 | // These functions are required for the registration process | |
61 | ||
62 | const char *AliHLTTPCCATrackerOutputConverter::GetComponentID() | |
63 | { | |
64 | // see header file for class documentation | |
65 | return "TPCCATrackerOutputConverter"; | |
66 | } | |
67 | ||
68 | void AliHLTTPCCATrackerOutputConverter::GetInputDataTypes( AliHLTComponentDataTypeList &list ) | |
69 | { | |
70 | // see header file for class documentation | |
71 | list.clear(); | |
72 | list.push_back( AliHLTTPCCADefinitions::fgkTrackletsDataType ); | |
73 | } | |
74 | ||
75 | AliHLTComponentDataType AliHLTTPCCATrackerOutputConverter::GetOutputDataType() | |
76 | { | |
77 | // see header file for class documentation | |
78 | return kAliHLTDataTypeTrack|kAliHLTDataOriginTPC; | |
79 | } | |
80 | ||
81 | void AliHLTTPCCATrackerOutputConverter::GetOutputDataSize( unsigned long &constBase, double &inputMultiplier ) | |
82 | { | |
83 | // see header file for class documentation | |
84 | // XXX TODO: Find more realistic values. | |
85 | constBase = 0; | |
86 | inputMultiplier = 1.0; | |
87 | } | |
88 | ||
89 | AliHLTComponent *AliHLTTPCCATrackerOutputConverter::Spawn() | |
90 | { | |
91 | // see header file for class documentation | |
92 | return new AliHLTTPCCATrackerOutputConverter; | |
93 | } | |
94 | ||
95 | ||
96 | void AliHLTTPCCATrackerOutputConverter::SetDefaultConfiguration() | |
97 | { | |
98 | // Set default configuration for the CA merger component | |
99 | // Some parameters can be later overwritten from the OCDB | |
100 | ||
101 | fBenchmark.Reset(); | |
102 | fBenchmark.SetTimer(0,"total"); | |
103 | } | |
104 | ||
105 | int AliHLTTPCCATrackerOutputConverter::ReadConfigurationString( const char* arguments ) | |
106 | { | |
107 | // Set configuration parameters for the CA merger component from the string | |
108 | ||
109 | int iResult = 0; | |
110 | if ( !arguments ) return iResult; | |
111 | ||
112 | TString allArgs = arguments; | |
113 | TString argument; | |
114 | int bMissingParam = 0; | |
115 | ||
116 | TObjArray* pTokens = allArgs.Tokenize( " " ); | |
117 | ||
118 | int nArgs = pTokens ? pTokens->GetEntries() : 0; | |
119 | ||
120 | for ( int i = 0; i < nArgs; i++ ) { | |
121 | argument = ( ( TObjString* )pTokens->At( i ) )->GetString(); | |
122 | if ( argument.IsNull() ) continue; | |
123 | ||
124 | HLTError( "Unknown option \"%s\"", argument.Data() ); | |
125 | iResult = -EINVAL; | |
126 | } | |
127 | delete pTokens; | |
128 | ||
129 | if ( bMissingParam ) { | |
130 | HLTError( "Specifier missed for parameter \"%s\"", argument.Data() ); | |
131 | iResult = -EINVAL; | |
132 | } | |
133 | ||
134 | return iResult; | |
135 | } | |
136 | ||
137 | ||
138 | int AliHLTTPCCATrackerOutputConverter::ReadCDBEntry( const char* cdbEntry, const char* chainId ) | |
139 | { | |
140 | // see header file for class documentation | |
141 | ||
142 | const char* defaultNotify = ""; | |
143 | ||
144 | if ( !cdbEntry ) { | |
145 | cdbEntry = "HLT/ConfigTPC/TPCCAGlobalMerger"; | |
146 | defaultNotify = " (default)"; | |
147 | chainId = 0; | |
148 | } | |
149 | ||
150 | HLTInfo( "configure from entry \"%s\"%s, chain id %s", cdbEntry, defaultNotify, ( chainId != NULL && chainId[0] != 0 ) ? chainId : "<none>" ); | |
151 | AliCDBEntry *pEntry = AliCDBManager::Instance()->Get( cdbEntry );//,GetRunNo()); | |
152 | ||
153 | if ( !pEntry ) { | |
154 | HLTError( "cannot fetch object \"%s\" from CDB", cdbEntry ); | |
155 | return -EINVAL; | |
156 | } | |
157 | ||
158 | TObjString* pString = dynamic_cast<TObjString*>( pEntry->GetObject() ); | |
159 | ||
160 | if ( !pString ) { | |
161 | HLTError( "configuration object \"%s\" has wrong type, required TObjString", cdbEntry ); | |
162 | return -EINVAL; | |
163 | } | |
164 | ||
165 | HLTInfo( "received configuration object string: \"%s\"", pString->GetString().Data() ); | |
166 | ||
167 | return ReadConfigurationString( pString->GetString().Data() ); | |
168 | } | |
169 | ||
170 | ||
171 | ||
172 | int AliHLTTPCCATrackerOutputConverter::Configure( const char* cdbEntry, const char* chainId, const char *commandLine ) | |
173 | { | |
174 | // Configure the component | |
175 | // There are few levels of configuration, | |
176 | // parameters which are set on one step can be overwritten on the next step | |
177 | ||
178 | //* read hard-coded values | |
179 | ||
180 | SetDefaultConfiguration(); | |
181 | ||
182 | //* read the default CDB entry | |
183 | ||
184 | int iResult1 = ReadCDBEntry( NULL, chainId ); | |
185 | ||
ae481371 | 186 | |
187 | //* read the actual CDB entry if required | |
01c625bd | 188 | |
189 | int iResult2 = ( cdbEntry ) ? ReadCDBEntry( cdbEntry, chainId ) : 0; | |
ae481371 | 190 | |
191 | //* read extra parameters from input (if they are) | |
192 | ||
01c625bd | 193 | int iResult3 = 0; |
ae481371 | 194 | |
195 | if ( commandLine && commandLine[0] != '\0' ) { | |
196 | HLTInfo( "received configuration string from HLT framework: \"%s\"", commandLine ); | |
01c625bd | 197 | iResult3 = ReadConfigurationString( commandLine ); |
ae481371 | 198 | } |
199 | ||
01c625bd | 200 | return iResult1 ? iResult1 : ( iResult2 ? iResult2 : iResult3 ); |
ae481371 | 201 | } |
202 | ||
203 | ||
204 | ||
205 | ||
206 | int AliHLTTPCCATrackerOutputConverter::DoInit( int argc, const char** argv ) | |
207 | { | |
208 | // see header file for class documentation | |
209 | ||
210 | TString arguments = ""; | |
211 | for ( int i = 0; i < argc; i++ ) { | |
212 | if ( !arguments.IsNull() ) arguments += " "; | |
213 | arguments += argv[i]; | |
214 | } | |
215 | ||
216 | return Configure( NULL, NULL, arguments.Data() ); | |
217 | } | |
218 | ||
219 | int AliHLTTPCCATrackerOutputConverter::Reconfigure( const char* cdbEntry, const char* chainId ) | |
220 | { | |
221 | // Reconfigure the component from OCDB | |
222 | ||
223 | return Configure( cdbEntry, chainId, NULL ); | |
224 | } | |
225 | ||
226 | ||
227 | ||
228 | int AliHLTTPCCATrackerOutputConverter::DoDeinit() | |
229 | { | |
230 | // see header file for class documentation | |
231 | return 0; | |
232 | } | |
233 | ||
234 | int AliHLTTPCCATrackerOutputConverter::DoEvent( const AliHLTComponentEventData &evtData, | |
235 | const AliHLTComponentBlockData *blocks, AliHLTComponentTriggerData &/*trigData*/, | |
236 | AliHLTUInt8_t *outputPtr, AliHLTUInt32_t &size, AliHLTComponentBlockDataList &outputBlocks ) | |
237 | { | |
238 | // see header file for class documentation | |
239 | int iResult = 0; | |
240 | unsigned int maxBufferSize = size; | |
241 | ||
242 | size = 0; | |
243 | ||
244 | if ( !outputPtr ) { | |
245 | return -ENOSPC; | |
246 | } | |
247 | if ( !IsDataEvent() ) { | |
248 | return 0; | |
249 | } | |
250 | fBenchmark.StartNewEvent(); | |
251 | fBenchmark.Start(0); | |
252 | ||
253 | const AliHLTComponentBlockData *const blocksEnd = blocks + evtData.fBlockCnt; | |
254 | for ( const AliHLTComponentBlockData *block = blocks; block < blocksEnd; ++block ) { | |
255 | if ( block->fDataType != AliHLTTPCCADefinitions::fgkTrackletsDataType ) { | |
256 | continue; | |
257 | } | |
258 | ||
259 | fBenchmark.AddInput(block->fSize); | |
260 | ||
261 | int slice = AliHLTTPCDefinitions::GetMinSliceNr( *block ); | |
262 | if ( slice < 0 || slice >= AliHLTTPCTransform::GetNSlice() ) { | |
263 | HLTError( "invalid slice number %d extracted from specification 0x%08lx, skipping block of type %s", | |
264 | slice, block->fSpecification, DataType2Text( block->fDataType ).c_str() ); | |
265 | // just remember the error, if there are other valid blocks ignore the error, return code otherwise | |
266 | iResult = -EBADF; | |
267 | continue; | |
268 | } | |
269 | ||
270 | if ( slice != AliHLTTPCDefinitions::GetMaxSliceNr( *block ) ) { | |
271 | // the code was not written for/ never used with multiple slices in one data block/ specification | |
272 | HLTWarning( "specification 0x%08lx indicates multiple slices in data block %s: never used before, please audit the code", | |
273 | block->fSpecification, DataType2Text( block->fDataType ).c_str() ); | |
274 | } | |
275 | ||
276 | ||
277 | const AliHLTTPCCASliceOutput &sliceOut = *(reinterpret_cast<AliHLTTPCCASliceOutput *>( block->fPtr )); | |
278 | const AliHLTTPCCASliceOutTrack *sliceTr = sliceOut.GetFirstTrack(); | |
279 | ||
280 | // Output block | |
281 | ||
282 | unsigned int blockSize = 0; | |
283 | AliHLTTracksData* outPtr = ( AliHLTTracksData* )( outputPtr + size ); | |
284 | AliHLTExternalTrackParam* currOutTrack = outPtr->fTracklets; | |
285 | blockSize = ( ( AliHLTUInt8_t * )currOutTrack ) - ( ( AliHLTUInt8_t * )outputPtr ); | |
286 | outPtr->fCount = 0; | |
287 | AliHLTTPCCAParam sliceParam; | |
288 | ||
289 | for ( int itr = 0; itr < sliceOut.NTracks(); itr++ ) { | |
290 | ||
291 | int nClu = sliceTr->NClusters(); | |
292 | ||
293 | unsigned int dSize = sizeof( AliHLTExternalTrackParam ) + nClu * sizeof( unsigned int ); | |
294 | ||
295 | if ( size + blockSize + dSize > maxBufferSize ) { | |
296 | HLTWarning( "Output buffer size exceed (buffer size %d, current size %d), tracks are not stored", maxBufferSize, blockSize ); | |
297 | iResult = -ENOSPC; | |
298 | break; | |
299 | } | |
300 | ||
301 | // first convert to AliExternalTrackParam | |
302 | ||
303 | AliHLTTPCCATrackParam t0; | |
304 | t0.InitParam(); | |
305 | t0.SetParam(sliceTr->Param()); | |
306 | ||
307 | AliExternalTrackParam tp; | |
308 | AliHLTTPCCATrackConvertor::GetExtParam( t0, tp, sliceParam.Alpha( slice ) ); | |
309 | ||
310 | // normalize the angle to +-Pi | |
311 | ||
312 | currOutTrack->fAlpha = tp.GetAlpha() - CAMath::Nint(tp.GetAlpha()/CAMath::TwoPi())*CAMath::TwoPi(); | |
313 | currOutTrack->fX = tp.GetX(); | |
314 | currOutTrack->fY = tp.GetY(); | |
315 | currOutTrack->fZ = tp.GetZ(); | |
316 | currOutTrack->fq1Pt = tp.GetSigned1Pt(); | |
317 | currOutTrack->fSinPsi = tp.GetSnp(); | |
318 | currOutTrack->fTgl = tp.GetTgl(); | |
319 | for( int i=0; i<15; i++ ) currOutTrack->fC[i] = tp.GetCovariance()[i]; | |
320 | currOutTrack->fTrackID = itr; | |
321 | currOutTrack->fFlags = 0; | |
322 | currOutTrack->fNPoints = nClu; | |
323 | for( int i = 0; i< nClu; i++ ) { | |
6d869045 | 324 | currOutTrack->fPointIDs[i] = sliceTr->Cluster( i ).GetId(); |
ae481371 | 325 | if( i == nClu-1 ){ |
6d869045 | 326 | currOutTrack->fLastX = sliceTr->Cluster( i ).GetX(); |
327 | currOutTrack->fLastY = sliceTr->Cluster( i ).GetY(); | |
328 | currOutTrack->fLastZ = sliceTr->Cluster( i ).GetZ(); | |
ae481371 | 329 | } |
330 | } | |
331 | currOutTrack = ( AliHLTExternalTrackParam* )( (( Byte_t * )currOutTrack) + dSize ); | |
332 | blockSize += dSize; | |
333 | outPtr->fCount++; | |
334 | sliceTr = sliceTr->GetNextTrack(); | |
335 | } | |
336 | ||
337 | AliHLTComponentBlockData resultData; | |
338 | FillBlockData( resultData ); | |
339 | resultData.fOffset = size; | |
340 | resultData.fSize = blockSize; | |
341 | resultData.fDataType = kAliHLTDataTypeTrack|kAliHLTDataOriginTPC; | |
342 | resultData.fSpecification = block->fSpecification; | |
343 | outputBlocks.push_back( resultData ); | |
344 | fBenchmark.AddOutput(resultData.fSize); | |
345 | size += resultData.fSize; | |
346 | } | |
347 | ||
348 | fBenchmark.Stop(0); | |
349 | HLTInfo( fBenchmark.GetStatistics() ); | |
350 | return iResult; | |
351 | } | |
352 |