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c4228ec4 | 1 | // $Id$ |
2 | ||
c5123824 | 3 | //************************************************************************** |
3c29512c | 4 | //* This file is property of and copyright by the * |
c5123824 | 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 | //************************************************************************** | |
c4228ec4 | 18 | |
4aa34abc | 19 | /// @file AliHLTOUTComponent.cxx |
20 | /// @author Matthias Richter | |
21 | /// @date | |
22 | /// @brief The HLTOUT data sink component similar to HLTOUT nodes | |
23 | /// @note Used in the AliRoot environment only. | |
c4228ec4 | 24 | |
4b113031 | 25 | #include <cassert> |
13398559 | 26 | //#include <iostream> |
c4228ec4 | 27 | #include "AliHLTOUTComponent.h" |
4b113031 | 28 | #include "AliHLTOUT.h" |
64defa03 | 29 | #include "AliHLTHOMERLibManager.h" |
4b113031 | 30 | #include "AliHLTHOMERWriter.h" |
6a904136 | 31 | #include "AliHLTErrorGuard.h" |
a183f221 | 32 | #include "AliDAQ.h" // equipment Ids |
16e6f752 | 33 | #include "AliRawDataHeaderV3.h" // Common Data Header |
4b113031 | 34 | #include <TDatime.h> // seed for TRandom |
35 | #include <TRandom.h> // random int generation for DDL no | |
c5123824 | 36 | #include <TFile.h> |
37 | #include <TTree.h> | |
38 | #include <TArrayC.h> | |
6a904136 | 39 | #include <TSystem.h> |
c4228ec4 | 40 | |
3c29512c | 41 | using namespace std; |
42 | ||
c4228ec4 | 43 | /** ROOT macro for the implementation of ROOT specific class methods */ |
44 | ClassImp(AliHLTOUTComponent) | |
45 | ||
6a904136 | 46 | AliHLTOUTComponent::AliHLTOUTComponent(EType type) |
3c29512c | 47 | : AliHLTDataSink() |
e2640fbd | 48 | , fWriters() |
49 | , fNofDDLs(10) | |
50 | , fIdFirstDDL(7680) // 0x1e<<8 | |
51 | , fBuffer() | |
52 | , fpLibManager(NULL) | |
6a904136 | 53 | , fOptions(0) |
e2640fbd | 54 | , fDigitFileName("HLT.Digits.root") |
55 | , fpDigitFile(NULL) | |
56 | , fpDigitTree(NULL) | |
57 | , fppDigitArrays(NULL) | |
58 | , fReservedWriter(-1) | |
59 | , fReservedData(0) | |
6a904136 | 60 | , fType(type) |
4aa34abc | 61 | , fRoundRobinCounter(0) |
c4228ec4 | 62 | { |
3c29512c | 63 | // The HLTOUT data sink component which models the behavior of the HLTOUT |
64 | // nodes of the HLT cluster. | |
65 | // The HLTOUT component is attached at the end of a chain. It stores all input | |
66 | // block in the HOMER format, distributed over a number of DDL link. The data | |
67 | // is stored in a digit file or in raw ddl files. | |
398bd766 | 68 | fIdFirstDDL=AliDAQ::DdlIDOffset("HLT"); |
4b113031 | 69 | fNofDDLs=AliDAQ::NumberOfDdls("HLT"); |
44dc7683 | 70 | |
6a904136 | 71 | if (fType!=kGlobal && fType!=kDigits && fType!=kRaw) { |
72 | ALIHLTERRORGUARD(1, "invalid component type %d", fType); | |
73 | } | |
c4228ec4 | 74 | } |
75 | ||
2c0e5942 | 76 | int AliHLTOUTComponent::fgOptions=kWriteRawFiles|kWriteDigits; |
77 | ||
c4228ec4 | 78 | AliHLTOUTComponent::~AliHLTOUTComponent() |
79 | { | |
4aa34abc | 80 | // destructor |
a183f221 | 81 | if (fpLibManager) delete fpLibManager; |
82 | fpLibManager=NULL; | |
c4228ec4 | 83 | } |
84 | ||
85 | const char* AliHLTOUTComponent::GetComponentID() | |
86 | { | |
4aa34abc | 87 | // overloaded from AliHLTComponent: get component id |
6a904136 | 88 | switch (fType) { |
89 | case kDigits: return "HLTOUTdigits"; | |
90 | case kRaw: return "HLTOUTraw"; | |
91 | case kGlobal: | |
92 | default: | |
93 | return "HLTOUT"; | |
94 | } | |
95 | return NULL; | |
c4228ec4 | 96 | } |
97 | ||
3c29512c | 98 | void AliHLTOUTComponent::GetInputDataTypes( AliHLTComponentDataTypeList& list) |
c4228ec4 | 99 | { |
4aa34abc | 100 | // overloaded from AliHLTComponent: indicate input data types |
c4228ec4 | 101 | list.clear(); |
102 | list.push_back(kAliHLTAnyDataType); | |
103 | } | |
104 | ||
105 | AliHLTComponent* AliHLTOUTComponent::Spawn() | |
106 | { | |
4aa34abc | 107 | // overloaded from AliHLTComponent: create instance |
6a904136 | 108 | return new AliHLTOUTComponent(fType); |
c4228ec4 | 109 | } |
110 | ||
111 | int AliHLTOUTComponent::DoInit( int argc, const char** argv ) | |
112 | { | |
4aa34abc | 113 | // overloaded from AliHLTComponent: initialization |
c4228ec4 | 114 | int iResult=0; |
6a904136 | 115 | |
116 | switch (fType) { | |
117 | case kDigits: | |
118 | fOptions|=kWriteDigits; fOptions&=~kWriteRawFiles; | |
119 | HLTInfo("initializing HLTOUT component for digits generation"); | |
120 | break; | |
121 | case kRaw: | |
122 | fOptions|=kWriteRawFiles; fOptions&=~kWriteDigits; | |
123 | HLTInfo("initializing HLTOUT component for raw data generation"); | |
124 | break; | |
125 | case kGlobal: | |
126 | default: | |
127 | fOptions=fgOptions; | |
128 | } | |
129 | ||
3d24abe7 | 130 | if ((iResult=ConfigureFromArgumentString(argc, argv))<0) return iResult; |
c4228ec4 | 131 | |
1b820a65 | 132 | // Create a new library manager and allocate the appropriate number of |
133 | // HOMER writers for the HLTOUT component. | |
4aa34abc | 134 | if (!fpLibManager) fpLibManager=new AliHLTHOMERLibManager; |
a183f221 | 135 | if (fpLibManager) { |
136 | int writerNo=0; | |
137 | for (writerNo=0; writerNo<fNofDDLs; writerNo++) { | |
138 | AliHLTMonitoringWriter* pWriter=fpLibManager->OpenWriter(); | |
139 | if (pWriter) { | |
a8420176 | 140 | HLTDebug("HOMER writer %p added", pWriter); |
a183f221 | 141 | fWriters.push_back(pWriter); |
142 | } else { | |
c5123824 | 143 | HLTError("can not open HOMER writer"); |
5db0e774 | 144 | iResult=-ENODEV; |
a183f221 | 145 | break; |
146 | } | |
4b113031 | 147 | } |
a183f221 | 148 | } else { |
149 | iResult=-ENOMEM; | |
4b113031 | 150 | } |
151 | ||
c4228ec4 | 152 | return iResult; |
153 | } | |
154 | ||
e2640fbd | 155 | int AliHLTOUTComponent::ScanConfigurationArgument(int argc, const char** argv) |
156 | { | |
4aa34abc | 157 | // overloaded from AliHLTComponent: argument scan |
e2640fbd | 158 | if (argc<=0) return 0; |
159 | int i=0; | |
160 | TString argument=argv[i]; | |
161 | const char* key=""; | |
162 | ||
163 | // -links n | |
164 | // specify number of ddl links | |
165 | if (argument.CompareTo("-links")==0) { | |
166 | if (++i>=argc) return -EPROTO; | |
167 | TString parameter(argv[i]); | |
168 | parameter.Remove(TString::kLeading, ' '); // remove all blanks | |
169 | if (parameter.IsDigit()) { | |
170 | fNofDDLs=parameter.Atoi(); | |
171 | } else { | |
172 | HLTError("wrong parameter for argument %s, number expected", argument.Data()); | |
173 | return -EINVAL; | |
174 | } | |
175 | ||
176 | return 2; | |
177 | } | |
178 | ||
179 | // -digitfile name | |
180 | if (argument.CompareTo("-digitfile")==0) { | |
181 | if (++i>=argc) return -EPROTO; | |
182 | fDigitFileName=argv[i]; | |
183 | ||
184 | return 2; | |
185 | } | |
186 | ||
187 | // -rawout | |
188 | key="-rawout"; | |
189 | if (argument.Contains(key)) { | |
190 | argument.ReplaceAll(key, ""); | |
191 | if (argument.IsNull()) { | |
6a904136 | 192 | fOptions|=kWriteRawFiles; |
e2640fbd | 193 | } else if (argument.CompareTo("=off")==0) { |
6a904136 | 194 | fOptions&=~kWriteRawFiles; |
e2640fbd | 195 | } else if (argument.CompareTo("=on")==0) { |
6a904136 | 196 | fOptions|=kWriteRawFiles; |
e2640fbd | 197 | } else { |
198 | HLTError("invalid parameter for argument %s: possible %s=off/%s=on", key, key, key); | |
199 | return -EPROTO; | |
200 | } | |
201 | ||
202 | return 1; | |
203 | } | |
204 | ||
205 | // -digitout | |
206 | key="-digitout"; | |
207 | if (argument.Contains(key)) { | |
208 | argument.ReplaceAll(key, ""); | |
209 | if (argument.IsNull()) { | |
6a904136 | 210 | fOptions|=kWriteDigits; |
e2640fbd | 211 | } else if (argument.CompareTo("=off")==0) { |
6a904136 | 212 | fOptions&=~kWriteDigits; |
e2640fbd | 213 | } else if (argument.CompareTo("=on")==0) { |
6a904136 | 214 | fOptions|=kWriteDigits; |
e2640fbd | 215 | } else { |
216 | HLTError("invalid parameter for argument %s: possible %s=off/%s=on", key, key, key); | |
217 | return -EPROTO; | |
218 | } | |
219 | ||
220 | return 1; | |
221 | } | |
222 | ||
4aa34abc | 223 | // -distribute-blocks |
224 | key="-distribute-blocks"; | |
225 | if (argument.CompareTo(key)==0) { | |
226 | fRoundRobinCounter=-1; | |
227 | ||
228 | return 1; | |
229 | } | |
230 | ||
e2640fbd | 231 | // unknown argument |
232 | return -EINVAL; | |
233 | } | |
234 | ||
c4228ec4 | 235 | int AliHLTOUTComponent::DoDeinit() |
236 | { | |
4aa34abc | 237 | // overloaded from AliHLTComponent: cleanup |
c4228ec4 | 238 | int iResult=0; |
4b113031 | 239 | |
a183f221 | 240 | if (fpLibManager) { |
241 | AliHLTMonitoringWriterPVector::iterator element=fWriters.begin(); | |
242 | while (element!= fWriters.end()) { | |
243 | assert(*element); | |
b9dd5a11 | 244 | // wanted to have a dynamic_cast<AliHLTHOMERWriter*> here, but this results into |
245 | // undefined symbol when loading the library | |
c74eec40 | 246 | if (*element!=NULL) { |
1b820a65 | 247 | (*element)->Clear(); |
248 | fpLibManager->DeleteWriter((AliHLTHOMERWriter*)(*element)); | |
c74eec40 | 249 | } else { |
250 | HLTError("writer instance is NULL"); | |
251 | } | |
a183f221 | 252 | element=fWriters.erase(element); |
253 | } | |
4b113031 | 254 | } |
1b820a65 | 255 | if (fpLibManager) { |
256 | delete fpLibManager; | |
257 | fpLibManager=NULL; | |
258 | } | |
c5123824 | 259 | |
260 | if (fpDigitTree) { | |
261 | delete fpDigitTree; | |
262 | fpDigitTree=NULL; | |
263 | } | |
264 | ||
265 | if (fpDigitFile) { | |
266 | fpDigitFile->Close(); | |
267 | delete fpDigitFile; | |
268 | fpDigitFile=NULL; | |
269 | } | |
270 | ||
271 | if (fppDigitArrays) { | |
272 | for (int i=0; i<fNofDDLs; i++) { | |
273 | if (fppDigitArrays[i]) delete fppDigitArrays[i]; | |
274 | } | |
275 | delete[] fppDigitArrays; | |
276 | fppDigitArrays=NULL; | |
277 | } | |
c4228ec4 | 278 | |
279 | return iResult; | |
280 | } | |
281 | ||
282 | int AliHLTOUTComponent::DumpEvent( const AliHLTComponentEventData& evtData, | |
283 | const AliHLTComponentBlockData* blocks, | |
284 | AliHLTComponentTriggerData& /*trigData*/ ) | |
285 | { | |
4aa34abc | 286 | // overloaded from AliHLTDataSink: event processing |
c4228ec4 | 287 | int iResult=0; |
2c0e5942 | 288 | HLTInfo("write %d output block(s)", evtData.fBlockCnt); |
6478b06b | 289 | int writerNo=0; |
3d24abe7 | 290 | int blockCount=0; |
6478b06b | 291 | AliHLTUInt32_t eventType=gkAliEventTypeUnknown; |
292 | bool bIsDataEvent=IsDataEvent(&eventType); | |
4b113031 | 293 | if (iResult>=0) { |
294 | homer_uint64 homerHeader[kCount_64b_Words]; | |
295 | HOMERBlockDescriptor homerDescriptor(homerHeader); | |
296 | for (int n=0; n<(int)evtData.fBlockCnt; n++ ) { | |
6478b06b | 297 | if (blocks[n].fDataType==kAliHLTDataTypeEvent || |
298 | blocks[n].fDataType==kAliHLTDataTypeSOR || | |
299 | blocks[n].fDataType==kAliHLTDataTypeEOR || | |
300 | blocks[n].fDataType==kAliHLTDataTypeComConf || | |
301 | blocks[n].fDataType==kAliHLTDataTypeUpdtDCS) | |
302 | { | |
303 | // the special events have to be ignored. | |
304 | continue; | |
305 | } | |
306 | if (!bIsDataEvent && | |
307 | (blocks[n].fDataType!=kAliHLTDataTypeComponentTable)) | |
308 | { | |
309 | // In simulation, there are no SOR and EOR events created. Thats | |
310 | // why all data blocks of those events are currently ignored. | |
311 | // Strictly speaking, components should not create output blocks | |
312 | // on the SOR/EOR event | |
313 | // | |
314 | // Exeptions: some blocks are added, the buffer must be prepared and | |
315 | // kept since the pointers will be invalid | |
316 | // - kAliHLTDataTypeComponentTable component table entries | |
317 | continue; | |
318 | } | |
4b113031 | 319 | memset( homerHeader, 0, sizeof(homer_uint64)*kCount_64b_Words ); |
320 | homerDescriptor.Initialize(); | |
44dc7683 | 321 | // for some traditional reason the TCPDumpSubscriber swaps the bytes |
322 | // of the data type id and data type origin. Actually I do not understand | |
323 | // the corresponding code line | |
324 | // homerBlock.SetType( blocks[n].fDataType.fID ); | |
325 | // this compiles in the PubSub framework and in addition does a byte swap | |
326 | homer_uint64 id=0; | |
327 | homer_uint64 origin=0; | |
328 | memcpy(&id, blocks[n].fDataType.fID, sizeof(homer_uint64)); | |
329 | memcpy(((AliHLTUInt8_t*)&origin)+sizeof(homer_uint32), blocks[n].fDataType.fOrigin, sizeof(homer_uint32)); | |
ff3b6fed | 330 | homerDescriptor.SetType(AliHLTOUT::ByteSwap64(id)); |
c5123824 | 331 | homerDescriptor.SetSubType1(AliHLTOUT::ByteSwap64(origin)); |
44dc7683 | 332 | homerDescriptor.SetSubType2(blocks[n].fSpecification); |
a8420176 | 333 | homerDescriptor.SetBlockSize(blocks[n].fSize); |
6478b06b | 334 | if (bIsDataEvent) { |
335 | writerNo=ShuffleWriters(fWriters, blocks[n].fSize); | |
336 | } | |
13398559 | 337 | assert(writerNo>=0 && writerNo<(int)fWriters.size()); |
a8420176 | 338 | // I'm puzzled by the different headers, buffers etc. used in the |
339 | // HOMER writer/data. In additional, there is no type check as there | |
340 | // are void pointers used and names mixed. | |
341 | // It seems that HOMERBlockDescriptor is just a tool to set the | |
342 | // different fields in the homer header, which is an array of 64 bit | |
343 | // words. | |
344 | fWriters[writerNo]->AddBlock(homerHeader, blocks[n].fPtr); | |
3d24abe7 | 345 | blockCount++; |
4b113031 | 346 | } |
347 | } | |
348 | ||
3d24abe7 | 349 | if (iResult>=0 && !bIsDataEvent && fNofDDLs>=2) { |
6478b06b | 350 | // data blocks from a special event are kept to be added to the |
3d24abe7 | 351 | // following event. In the current implementation at least 2 DDLs |
352 | // are required to allow to keep the blocks of the SOR event and | |
353 | // include it in the first event. If only one writer is available | |
354 | // the blocks are ignored. For the moment this is not expexted to | |
355 | // be a problem since components should not gererate anything on | |
356 | // SOR/EOR. The only case is the list of AliHLTComponentTableEntry | |
357 | // transmitted for component statistics in debug mode. | |
6478b06b | 358 | if (fReservedWriter>=0) { |
359 | HLTWarning("overriding previous buffer of non-data event data blocks"); | |
360 | } | |
361 | const AliHLTUInt8_t* pBuffer=NULL; | |
362 | int bufferSize=0; | |
363 | // TODO: not yet clear whether it is smart to send the event id of | |
364 | // this special event or if it should be set from the id of the | |
365 | // following event where the data will be added | |
3d24abe7 | 366 | if (blockCount>0 && (bufferSize=FillOutputBuffer(evtData.fEventID, fWriters[writerNo], pBuffer))>0) { |
6478b06b | 367 | fReservedWriter=writerNo; |
368 | fReservedData=bufferSize; | |
369 | } | |
370 | fWriters[writerNo]->Clear(); | |
3d24abe7 | 371 | } else if (iResult>=0 && !bIsDataEvent && fNofDDLs<2 && blockCount>0) { |
372 | HLTWarning("ignoring %d block(s) for special event of type %d: at least 2 DDLs are required", blockCount, eventType); | |
373 | } | |
374 | ||
375 | if (iResult>=0 && bIsDataEvent) { | |
3c29512c | 376 | iResult=Write(GetEventCount()); |
6478b06b | 377 | } |
378 | ||
4aa34abc | 379 | if (fRoundRobinCounter>=0) { |
380 | if (++fRoundRobinCounter>=fNofDDLs) fRoundRobinCounter=0; | |
381 | } | |
382 | ||
4b113031 | 383 | return iResult; |
384 | } | |
385 | ||
3c29512c | 386 | int AliHLTOUTComponent::Write(int eventNo) |
4b113031 | 387 | { |
4aa34abc | 388 | // write digits and raw files for the current event |
4b113031 | 389 | int iResult=0; |
6478b06b | 390 | |
4b113031 | 391 | if (fWriters.size()==0) return 0; |
3d24abe7 | 392 | |
6478b06b | 393 | if (fReservedWriter>=0) { |
6a904136 | 394 | if (fOptions&kWriteDigits) WriteDigitArray(fReservedWriter, &fBuffer[0], fReservedData); |
3c29512c | 395 | if (fOptions&kWriteRawFiles) WriteRawFile(eventNo, fReservedWriter, &fBuffer[0], fReservedData); |
6478b06b | 396 | fReservedData=0; |
397 | } | |
398 | ||
4b113031 | 399 | // search for the writer with the biggest data volume in order to allocate the |
400 | // output buffer of sufficient size | |
4b113031 | 401 | vector<int> sorted; |
d76bc02a | 402 | for (size_t i=0; i<fWriters.size(); i++) { |
6478b06b | 403 | if ((int)i==fReservedWriter) continue; |
4b113031 | 404 | assert(fWriters[i]); |
405 | if (fWriters[i]) { | |
a8420176 | 406 | if (sorted.size()==0 || fWriters[i]->GetTotalMemorySize()<=fWriters[sorted[0]]->GetTotalMemorySize()) { |
4b113031 | 407 | sorted.push_back(i); |
a8420176 | 408 | } else { |
409 | sorted.insert(sorted.begin(), i); | |
4b113031 | 410 | } |
411 | } | |
4b113031 | 412 | } |
6478b06b | 413 | fReservedWriter=-1; |
4b113031 | 414 | |
415 | vector<int>::iterator ddlno=sorted.begin(); | |
416 | while (ddlno!=sorted.end()) { | |
417 | const AliHLTUInt8_t* pBuffer=NULL; | |
418 | int bufferSize=0; | |
419 | ||
b9dd5a11 | 420 | if ((bufferSize=FillOutputBuffer(eventNo, fWriters[*ddlno], pBuffer))>0) { |
6a904136 | 421 | if (fOptions&kWriteDigits) WriteDigitArray(*ddlno, pBuffer, bufferSize); |
4aa34abc | 422 | if (fOptions&kWriteRawFiles && |
423 | (fRoundRobinCounter<0 || fRoundRobinCounter==*ddlno)) | |
3c29512c | 424 | WriteRawFile(eventNo, *ddlno, pBuffer, bufferSize); |
4b113031 | 425 | } |
a8420176 | 426 | fWriters[*ddlno]->Clear(); |
4b113031 | 427 | ddlno++; |
428 | } | |
3c29512c | 429 | if (fOptions&kWriteDigits) WriteDigits(eventNo); |
4b113031 | 430 | return iResult; |
431 | } | |
432 | ||
d76bc02a | 433 | int AliHLTOUTComponent::ShuffleWriters(AliHLTMonitoringWriterPVector &list, AliHLTUInt32_t /*size*/) |
4b113031 | 434 | { |
4aa34abc | 435 | /// get a writer for the next block |
436 | /// in round robin mode (like the online HLTOUT) all blocks of one event go to the same link | |
437 | /// this is now also the default behavior of the HLTOUTComponent and indicated by | |
438 | /// fRoundRobinCounter>=0 | |
439 | /// Writers are selected randomly otherwise. | |
440 | if (fRoundRobinCounter>=0) { | |
441 | if (fRoundRobinCounter==fReservedWriter) { | |
442 | if (++fRoundRobinCounter>=fNofDDLs) fRoundRobinCounter=0; | |
443 | if (fRoundRobinCounter==fReservedWriter) { | |
444 | HLTWarning("there are not enough links to use a reserved writer, discarding data in reserved writer %d (total %d)", | |
445 | fReservedWriter, fNofDDLs); | |
446 | fReservedWriter=-1; | |
447 | } | |
448 | } | |
449 | return fRoundRobinCounter; | |
450 | } | |
451 | ||
4b113031 | 452 | int iResult=-ENOENT; |
453 | assert(list.size()>0); | |
454 | if (list.size()==0) return iResult; | |
455 | vector<int> writers; | |
d76bc02a | 456 | size_t i=0; |
4b113031 | 457 | for (i=0; i<list.size(); i++) { |
6478b06b | 458 | if ((int)i==fReservedWriter) continue; |
4b113031 | 459 | if (list[i]->GetTotalMemorySize()==0) |
460 | writers.push_back(i); | |
461 | else if (iResult<0 || | |
462 | list[i]->GetTotalMemorySize()<list[iResult]->GetTotalMemorySize()) | |
463 | iResult=i; | |
464 | ||
465 | } | |
466 | if (writers.size()>0) { | |
467 | iResult=writers[0]; | |
468 | if (writers.size()>0) { | |
469 | // shuffle among the empty writers | |
470 | TDatime dt; | |
471 | TRandom rand; | |
472 | rand.SetSeed(dt.Get()*(iResult+1)); | |
473 | i=rand.Integer(writers.size()-1); | |
474 | assert(i>0 && i<writers.size()-1); | |
475 | iResult=writers[i]; | |
476 | } | |
477 | } else { | |
478 | // take the writer with the least data volume | |
479 | assert(iResult>=0); | |
480 | } | |
481 | return iResult; | |
482 | } | |
483 | ||
a183f221 | 484 | int AliHLTOUTComponent::FillOutputBuffer(int eventNo, AliHLTMonitoringWriter* pWriter, const AliHLTUInt8_t* &pBuffer) |
4b113031 | 485 | { |
4aa34abc | 486 | // prepare the output buffer for writing, consists of |
487 | // - CDH | |
488 | // - HLTOUT header | |
489 | // - HOMER data | |
490 | // buffer is allocated internally and data is valid until next call | |
4b113031 | 491 | int iResult=0; |
d76bc02a | 492 | unsigned int bufferSize=0; |
4b113031 | 493 | |
494 | // space for common data header | |
16e6f752 | 495 | bufferSize+=sizeof(AliRawDataHeaderV3); |
4b113031 | 496 | |
497 | // space for HLT event header | |
498 | bufferSize+=sizeof(AliHLTOUT::AliHLTOUTEventHeader); | |
499 | ||
500 | // space for payload from the writer | |
501 | if (pWriter) bufferSize+=pWriter->GetTotalMemorySize(); | |
502 | ||
737bab1f | 503 | // payload data must be aligned to 32bit |
504 | bufferSize=(bufferSize+3)/4; | |
505 | bufferSize*=4; | |
506 | ||
4b113031 | 507 | if (bufferSize>fBuffer.size()) |
508 | fBuffer.resize(bufferSize); | |
509 | ||
737bab1f | 510 | // reset the last 32bit word, rest will be overwritten |
511 | memset(&fBuffer[bufferSize-4], 0, 4); | |
512 | ||
4b113031 | 513 | if (bufferSize<=fBuffer.size()) { |
16e6f752 | 514 | AliRawDataHeaderV3* pCDH=reinterpret_cast<AliRawDataHeaderV3*>(&fBuffer[0]); |
515 | AliHLTOUT::AliHLTOUTEventHeader* pHLTH=reinterpret_cast<AliHLTOUT::AliHLTOUTEventHeader*>(&fBuffer[sizeof(AliRawDataHeaderV3)]); | |
516 | *pCDH = AliRawDataHeaderV3(); // Fill with default values. | |
4b113031 | 517 | memset(pHLTH, 0, sizeof(AliHLTOUT::AliHLTOUTEventHeader)); |
44dc7683 | 518 | |
4b113031 | 519 | if (pWriter) { |
520 | // copy payload | |
16e6f752 | 521 | pWriter->Copy(&fBuffer[sizeof(AliRawDataHeaderV3)+sizeof(AliHLTOUT::AliHLTOUTEventHeader)], 0, 0, 0, 0); |
4b113031 | 522 | pHLTH->fLength=pWriter->GetTotalMemorySize(); |
523 | // set status bit to indicate HLT payload | |
13398559 | 524 | pCDH->fStatusMiniEventID|=0x1<<(AliHLTOUT::kCDHStatusFlagsOffset+AliHLTOUT::kCDHFlagsHLTPayload); |
4b113031 | 525 | } |
526 | pHLTH->fLength+=sizeof(AliHLTOUT::AliHLTOUTEventHeader); | |
c2b283d6 | 527 | // pHLTH->fEventIDLow is already set to zero in memset above. |
528 | pHLTH->fEventIDLow = eventNo; | |
44dc7683 | 529 | // version does not really matter since we do not add decision data |
530 | pHLTH->fVersion=AliHLTOUT::kVersion1; | |
4b113031 | 531 | |
31d7df34 | 532 | pCDH->fSize=bufferSize; |
44dc7683 | 533 | pCDH->fStatusMiniEventID|=0x1<<(AliHLTOUT::kCDHStatusFlagsOffset + AliHLTOUT::kCDHFlagsHLTPayload); |
c4228ec4 | 534 | |
4b113031 | 535 | pBuffer=&fBuffer[0]; |
a8420176 | 536 | iResult=(int)bufferSize; |
4b113031 | 537 | } else { |
538 | pBuffer=NULL; | |
539 | iResult=-ENOMEM; | |
c4228ec4 | 540 | } |
541 | ||
542 | return iResult; | |
543 | } | |
544 | ||
c5123824 | 545 | int AliHLTOUTComponent::WriteDigitArray(int hltddl, const AliHLTUInt8_t* pBuffer, unsigned int bufferSize) |
546 | { | |
4aa34abc | 547 | // wite a buffer to the associated digit array |
c5123824 | 548 | int iResult=0; |
549 | assert(hltddl<fNofDDLs); | |
550 | if (hltddl>=fNofDDLs) return -ERANGE; | |
551 | ||
552 | if (!fppDigitArrays) { | |
553 | fppDigitArrays=new TArrayC*[fNofDDLs]; | |
554 | if (fppDigitArrays) { | |
555 | for (int i=0; i<fNofDDLs; i++) { | |
556 | fppDigitArrays[i]=new TArrayC(0); | |
557 | } | |
558 | } | |
559 | } | |
560 | if (fppDigitArrays && fppDigitArrays[hltddl]) { | |
561 | fppDigitArrays[hltddl]->Set(bufferSize, reinterpret_cast<const Char_t*>(pBuffer)); | |
562 | } else { | |
563 | iResult=-ENOMEM; | |
564 | } | |
565 | return iResult; | |
566 | } | |
567 | ||
3c29512c | 568 | int AliHLTOUTComponent::WriteDigits(int /*eventNo*/) |
c4228ec4 | 569 | { |
4aa34abc | 570 | // fill tree with digit arrays and write to file |
571 | // all links must be written, even in round robin mode, where all links but one | |
572 | // do not contain any data blocks. | |
573 | // This is a limitation of storing the links in a tree | |
c4228ec4 | 574 | int iResult=0; |
c5123824 | 575 | if (!fpDigitFile) { |
e2640fbd | 576 | fpDigitFile=new TFile(fDigitFileName, "RECREATE"); |
c5123824 | 577 | } |
578 | if (fpDigitFile && !fpDigitFile->IsZombie()) { | |
579 | if (!fpDigitTree) { | |
580 | fpDigitTree=new TTree("rawhltout","HLTOUT raw data"); | |
581 | if (fpDigitTree && fppDigitArrays) { | |
582 | for (int i=0; i<fNofDDLs; i++) { | |
583 | const char* branchName=AliDAQ::DdlFileName("HLT", i); | |
584 | if (fppDigitArrays[i]) fpDigitTree->Branch(branchName, "TArrayC", &fppDigitArrays[i], 32000/*just as the default*/, 0); | |
585 | } | |
586 | } | |
587 | } | |
588 | if (fpDigitTree) { | |
d1035b66 | 589 | #ifdef __DEBUG |
c5123824 | 590 | int res=fpDigitTree->Fill(); |
591 | HLTDebug("writing digit tree: %d", res); | |
592 | fpDigitFile->cd(); | |
593 | res=fpDigitTree->Write("",TObject::kOverwrite); | |
594 | HLTDebug("writing digit tree: %d", res); | |
d1035b66 | 595 | #else |
596 | fpDigitTree->Fill(); | |
597 | fpDigitFile->cd(); | |
598 | fpDigitTree->Write("",TObject::kOverwrite); | |
599 | #endif | |
c5123824 | 600 | if (fppDigitArrays) for (int i=0; i<fNofDDLs; i++) { |
601 | if (fppDigitArrays[i]) fppDigitArrays[i]->Set(0); | |
602 | } | |
603 | } | |
604 | } else { | |
605 | const char* errorMsg=""; | |
606 | if (GetEventCount()==5) { | |
607 | errorMsg=" (suppressing further error messages)"; | |
608 | } | |
609 | if (GetEventCount()<5) { | |
e2640fbd | 610 | HLTError("can not open HLT digit file %s%s", fDigitFileName.Data(), errorMsg); |
c5123824 | 611 | } |
612 | iResult=-EBADF; | |
613 | } | |
c4228ec4 | 614 | return iResult; |
615 | } | |
4b113031 | 616 | |
3c29512c | 617 | int AliHLTOUTComponent::WriteRawFile(int eventNo, int hltddl, const AliHLTUInt8_t* pBuffer, unsigned int bufferSize) |
4b113031 | 618 | { |
4aa34abc | 619 | // write buffer to raw file in the current directory |
620 | // creates the event raw directories in the current directory | |
4b113031 | 621 | int iResult=0; |
622 | const char* fileName=AliDAQ::DdlFileName("HLT", hltddl); | |
4b113031 | 623 | assert(fileName!=NULL); |
a8420176 | 624 | TString filePath; |
625 | filePath.Form("raw%d/", eventNo); | |
4aa34abc | 626 | if (gSystem->AccessPathName(filePath)!=0) { |
627 | // note: AccessPathName return 0 if the path is existing | |
6a904136 | 628 | TString command="mkdir "; command+=filePath; |
629 | gSystem->Exec(command); | |
630 | } | |
a8420176 | 631 | filePath+=fileName; |
4b113031 | 632 | if (fileName) { |
633 | ios::openmode filemode=(ios::openmode)0; | |
634 | ofstream rawfile(filePath.Data(), filemode); | |
635 | if (rawfile.good()) { | |
636 | if (pBuffer && bufferSize>0) { | |
637 | rawfile.write(reinterpret_cast<const char*>(pBuffer), bufferSize); | |
638 | } else { | |
639 | HLTWarning("writing zero length raw data file %s"); | |
640 | } | |
641 | HLTDebug("wrote %d byte(s) to file %s", bufferSize, filePath.Data()); | |
642 | } else { | |
643 | HLTError("can not open file %s for writing", filePath.Data()); | |
644 | iResult=-EBADF; | |
645 | } | |
646 | rawfile.close(); | |
647 | } | |
648 | return iResult; | |
649 | } | |
2c0e5942 | 650 | |
651 | void AliHLTOUTComponent::SetGlobalOption(unsigned int options) | |
652 | { | |
4aa34abc | 653 | // set the global options |
2c0e5942 | 654 | fgOptions|=options; |
655 | } | |
656 | ||
657 | void AliHLTOUTComponent::ClearGlobalOption(unsigned int options) | |
658 | { | |
4aa34abc | 659 | // reset the global options |
2c0e5942 | 660 | fgOptions&=~options; |
661 | } | |
6a904136 | 662 | |
663 | bool AliHLTOUTComponent::TestGlobalOption(unsigned int option) | |
664 | { | |
4aa34abc | 665 | // check option |
6a904136 | 666 | return (fgOptions&option)!=0; |
667 | } |