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8678cfc2 | 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 AliHLTPHOSAltroChannelSelectorComponent.cxx | |
20 | @author Matthias Richter | |
21 | @date | |
22 | @brief A filter/selective readout component for TPC Altro data. */ | |
23 | ||
24 | // see header file for class documentation | |
25 | // or | |
26 | // refer to README to build package | |
27 | // or | |
28 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
29 | ||
30 | #include <cassert> | |
31 | #include "AliHLTPHOSAltroChannelSelectorComponent.h" | |
32 | #include "AliHLTTPCTransform.h" | |
33 | #include "AliHLTTPCDigitReaderRaw.h" | |
34 | #include "AliHLTTPCDefinitions.h" | |
35 | //#include "AliHLTTPCPadArray.h" | |
36 | //#include "AliHLTTPCPadArray.h" | |
37 | ||
38 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
39 | ClassImp(AliHLTPHOSAltroChannelSelectorComponent) | |
40 | ||
41 | AliHLTPHOSAltroChannelSelectorComponent::AliHLTPHOSAltroChannelSelectorComponent() | |
42 | : | |
43 | AliHLTProcessor(), | |
44 | fRawreaderMode(0) | |
45 | { | |
46 | // see header file for class documentation | |
47 | // or | |
48 | // refer to README to build package | |
49 | // or | |
50 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
51 | } | |
52 | ||
53 | AliHLTPHOSAltroChannelSelectorComponent::~AliHLTPHOSAltroChannelSelectorComponent() | |
54 | { | |
55 | // see header file for class documentation | |
56 | } | |
57 | ||
58 | const char* AliHLTPHOSAltroChannelSelectorComponent::GetComponentID() | |
59 | { | |
60 | // see header file for class documentation | |
61 | return "AltroChannelSelector"; | |
62 | } | |
63 | ||
64 | ||
65 | ||
66 | ||
67 | void AliHLTPHOSAltroChannelSelectorComponent::GetInputDataTypes(AliHLTComponentDataTypeList& list) | |
68 | { | |
69 | // see header file for class documentation | |
70 | list.clear(); | |
71 | list.push_back(kAliHLTDataTypeDDLRaw|kAliHLTDataOriginTPC); | |
72 | list.push_back(AliHLTTPCDefinitions::fgkActivePadsDataType); | |
73 | list.push_back(kAliHLTDataTypeHwAddr16); | |
74 | } | |
75 | ||
76 | AliHLTComponentDataType AliHLTPHOSAltroChannelSelectorComponent::GetOutputDataType() | |
77 | { | |
78 | // see header file for class documentation | |
79 | return kAliHLTDataTypeDDLRaw|kAliHLTDataOriginTPC; | |
80 | } | |
81 | ||
82 | void AliHLTPHOSAltroChannelSelectorComponent::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier) | |
83 | { | |
84 | // see header file for class documentation | |
85 | constBase=0; | |
86 | inputMultiplier=1.0; | |
87 | } | |
88 | ||
89 | AliHLTComponent* AliHLTPHOSAltroChannelSelectorComponent::Spawn() | |
90 | { | |
91 | // see header file for class documentation | |
92 | return new AliHLTPHOSAltroChannelSelectorComponent; | |
93 | } | |
94 | ||
95 | int AliHLTPHOSAltroChannelSelectorComponent::DoInit(int argc, const char** argv) | |
96 | { | |
97 | int iResult=0; | |
98 | TString argument=""; | |
99 | bool bMissingParam=0; | |
100 | for (int i=0; i<argc && iResult>=0; i++) { | |
101 | argument=argv[i]; | |
102 | if (argument.IsNull()) continue; | |
103 | ||
104 | // -rawreadermode | |
105 | if (argument.CompareTo("-rawreadermode")==0) { | |
106 | if ((bMissingParam=(++i>=argc))) break; | |
107 | int mode=AliHLTTPCDigitReaderRaw::DecodeMode(argv[i]); | |
108 | if (mode<0) { | |
109 | HLTError("invalid rawreadermode specifier '%s'", argv[i]); | |
110 | iResult=-EINVAL; | |
111 | } else { | |
112 | fRawreaderMode=static_cast<unsigned>(mode); | |
113 | // always use the reader in unsorted mode regardless of the | |
114 | // argument | |
115 | if (fRawreaderMode%2==0) fRawreaderMode++; | |
116 | } | |
117 | } else { | |
118 | iResult=-EINVAL; | |
119 | } | |
120 | } | |
121 | ||
122 | if (bMissingParam) { | |
123 | HLTError("missing parameter for argument %s", argument.Data()); | |
124 | iResult=-EINVAL; | |
125 | } | |
126 | ||
127 | ||
128 | return iResult; | |
129 | ||
130 | ||
131 | } | |
132 | ||
133 | int AliHLTPHOSAltroChannelSelectorComponent::DoDeinit() | |
134 | { | |
135 | // see header file for class documentation | |
136 | return 0; | |
137 | } | |
138 | ||
139 | int AliHLTPHOSAltroChannelSelectorComponent::DoEvent(const AliHLTComponentEventData& evtData, | |
140 | const AliHLTComponentBlockData* blocks, | |
141 | AliHLTComponentTriggerData& /*trigData*/, | |
142 | AliHLTUInt8_t* outputPtr, | |
143 | AliHLTUInt32_t& size, | |
144 | AliHLTComponentBlockDataList& outputBlocks ) | |
145 | { | |
146 | int iResult=0; | |
147 | int blockno=0; | |
148 | const AliHLTComponentBlockData* pDesc=NULL; | |
149 | ||
150 | for (pDesc=GetFirstInputBlock(kAliHLTDataTypeDDLRaw|kAliHLTDataOriginTPC); pDesc!=NULL; pDesc=GetNextInputBlock(), blockno++) | |
151 | { | |
152 | AliHLTUInt16_t* pActiveHwAddressArray=NULL; | |
153 | int iArraySize=0; | |
154 | ||
155 | for (int i=0; i<(int)evtData.fBlockCnt; i++ ) | |
156 | { | |
157 | const AliHLTComponentBlockData* iter=NULL; | |
158 | ||
159 | for (iter=GetFirstInputBlock(kAliHLTDataTypeHwAddr16); iter!=NULL; iter=GetNextInputBlock()) | |
160 | { | |
161 | if (iter->fSpecification==pDesc->fSpecification) | |
162 | { | |
163 | pActiveHwAddressArray=reinterpret_cast<AliHLTUInt16_t*>(iter->fPtr); | |
164 | iArraySize=iter->fSize/sizeof(AliHLTUInt16_t); | |
165 | break; | |
166 | } | |
167 | } | |
168 | } | |
169 | ||
170 | ||
171 | /* | |
172 | if (pActivePadsArray==NULL && pActiveHwAddressArray==NULL) | |
173 | { | |
174 | HLTWarning("no block of type %s or %s for specification 0x%08x available, data block unchanged", | |
175 | DataType2Text(AliHLTTPCDefinitions::fgkActivePadsDataType).c_str(), | |
176 | DataType2Text(kAliHLTDataTypeHwAddr16).c_str(), | |
177 | pDesc->fSpecification); | |
178 | // forward the whole block | |
179 | outputBlocks.push_back(*pDesc); | |
180 | continue; | |
181 | } | |
182 | */ | |
183 | ||
184 | AliHLTTPCDigitReaderRaw reader(fRawreaderMode); | |
185 | HLTDebug("init reader %p size %d", pDesc->fPtr,pDesc->fSize); | |
186 | ||
187 | int iSelected=0; | |
188 | int iTotal=0; | |
189 | AliHLTUInt32_t iOutputSize=0; | |
190 | AliHLTUInt32_t iCapacity=size; | |
191 | ||
192 | while (reader.NextAltroBlock()) { | |
193 | iTotal++; | |
194 | void* pChannel=NULL; | |
195 | AliHLTUInt16_t hwAddress=~(AliHLTUInt16_t)0; | |
196 | int channelSize=reader.GetAltroChannelRawData(pChannel, hwAddress); | |
197 | int active=0; | |
198 | ||
199 | // if (pActivePadsArray) { | |
200 | // for (; active<iArraySize; active++) { | |
201 | // if ((int)pActivePadsArray[active].fRow==reader.GetRow() && | |
202 | // (int)pActivePadsArray[active].fPad==reader.GetPad()) { | |
203 | // break; | |
204 | // } | |
205 | // } | |
206 | // } else { | |
207 | // for (; active<iArraySize; active++) { | |
208 | // if (pActiveHwAddressArray[active]==hwAddress) { | |
209 | // break; | |
210 | // } | |
211 | // } | |
212 | // } | |
213 | // if (active>=iArraySize) { | |
214 | // HLTDebug("ALTRO block Row %d, Pad %d discarded (inactive)", reader.GetRow(), reader.GetPad()); | |
215 | // continue; | |
216 | // } | |
217 | ||
218 | iSelected++; | |
219 | // HLTDebug("ALTRO block hwAddress 0x%08x Row/Pad %d/%d selected (active), size %d", hwAddress, reader.GetRow(), reader.GetPad(), channelSize); | |
220 | ||
221 | if (channelSize>0 && pChannel!=NULL) { | |
222 | if (iOutputSize==0) { | |
223 | // first add the RCU trailer | |
224 | unsigned rcuTrailerLength=reader.GetRCUDataBlockLength(); | |
225 | AliHLTUInt8_t* pSrc=reinterpret_cast<AliHLTUInt8_t*>(pDesc->fPtr); | |
226 | pSrc+=pDesc->fSize-rcuTrailerLength; | |
227 | if ((iResult=CopyBlockToEnd(outputPtr, iCapacity, iOutputSize, pSrc, rcuTrailerLength))>=0) { | |
228 | assert(iResult==rcuTrailerLength); | |
229 | iOutputSize+=rcuTrailerLength; | |
230 | } else { | |
231 | HLTError("failed to write RCU trailer of length %d for block %d", rcuTrailerLength, blockno); | |
232 | break; | |
233 | } | |
234 | } | |
235 | } | |
236 | ||
237 | if ((iResult=CopyBlockToEnd(outputPtr, iCapacity, iOutputSize, pChannel, channelSize))>=0) | |
238 | { | |
239 | assert(iResult==channelSize); | |
240 | iOutputSize+=channelSize; | |
241 | } else | |
242 | { | |
243 | HLTError("failed to write ALTRO channel of length %d for block %d", channelSize, blockno); | |
244 | break; | |
245 | } | |
246 | } | |
247 | ||
248 | ||
249 | if (iResult>=0) | |
250 | { | |
251 | // write the common data header | |
252 | int cdhSize=reader.GetCommonDataHeaderSize(); | |
253 | if ((iResult=CopyBlockToEnd(outputPtr, iCapacity, iOutputSize, pDesc->fPtr, cdhSize))>=0) | |
254 | { | |
255 | assert(iResult==cdhSize); | |
256 | iOutputSize+=cdhSize; | |
257 | // set new length of the data block | |
258 | AliHLTUInt32_t* pCdhSize=reinterpret_cast<AliHLTUInt32_t*>(outputPtr+iCapacity-iOutputSize+1); | |
259 | *pCdhSize=iOutputSize; | |
260 | // insert block descriptor | |
261 | AliHLTComponentBlockData bd; | |
262 | FillBlockData(bd); | |
263 | bd.fOffset=iCapacity-iOutputSize; | |
264 | bd.fSize=iOutputSize; | |
265 | bd.fDataType=pDesc->fDataType; | |
266 | bd.fSpecification=pDesc->fSpecification; | |
267 | outputBlocks.push_back(bd); | |
268 | iCapacity-=iOutputSize; | |
269 | } else | |
270 | { | |
271 | HLTError("failed to write CDH of length %d for block %d", cdhSize, blockno); | |
272 | break; | |
273 | } | |
274 | } | |
275 | HLTInfo("data block %d (0x%08x): selected %d out of %d ALTRO channels", blockno, pDesc->fSpecification, iSelected, iTotal); | |
276 | } | |
277 | ||
278 | if (iResult<0) | |
279 | { | |
280 | outputBlocks.clear(); | |
281 | } | |
282 | // !!! do not change the size since the output buffer is filled from the end !!! | |
283 | return iResult; | |
284 | } | |
285 | ||
286 | ||
287 | int | |
288 | AliHLTPHOSAltroChannelSelectorComponent::CopyBlockToEnd(AliHLTUInt8_t* pTgt, unsigned capacity, unsigned position, void* pSrc, unsigned size) | |
289 | { | |
290 | int iResult=0; | |
291 | if (pTgt==NULL || pSrc==NULL) return -EINVAL; | |
292 | if (capacity-position<size) return -ENOSPC; | |
293 | ||
294 | memcpy(pTgt+(capacity-position-size), pSrc, size); | |
295 | iResult=size; | |
296 | ||
297 | return iResult; | |
298 | } | |
299 | ||
300 | ||
301 |