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3f2a1b1c | 1 | // $Id$ |
2 | ||
3 | /************************************************************************** | |
9be2600f | 4 | * This file is property of and copyright by the ALICE HLT Project * |
5 | * ALICE Experiment at CERN, All rights reserved. * | |
3f2a1b1c | 6 | * * |
9be2600f | 7 | * Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * |
8 | * for The ALICE HLT Project. * | |
3f2a1b1c | 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 | ||
b22e91eb | 19 | /** @file AliHLTDataBuffer.cxx |
20 | @author Matthias Richter | |
21 | @date | |
22 | @brief Handling of Data Buffers for HLT components. | |
23 | */ | |
3f2a1b1c | 24 | |
30338a30 | 25 | // see header file for class documentation |
26 | // or | |
27 | // refer to README to build package | |
28 | // or | |
29 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
30 | ||
0c0c9d99 | 31 | #if __GNUC__>= 3 |
3f2a1b1c | 32 | using namespace std; |
33 | #endif | |
34 | ||
35 | #include "AliHLTDataBuffer.h" | |
6235cd38 | 36 | #include "AliHLTConsumerDescriptor.h" |
b22e91eb | 37 | #include "AliHLTComponent.h" |
b46ca65e | 38 | #include "AliHLTTask.h" |
66043029 | 39 | #include <cerrno> |
d6cbe999 | 40 | #include <cassert> |
66043029 | 41 | //#include <string> |
42 | //#include "AliHLTSystem.h" | |
3f2a1b1c | 43 | |
2be3f004 | 44 | typedef vector<AliHLTDataBuffer::AliHLTDataSegment> AliHLTDataSegmentList; |
45 | typedef vector<AliHLTDataBuffer::AliHLTRawBuffer*> AliHLTRawBufferPList; | |
46 | ||
b22e91eb | 47 | /** ROOT macro for the implementation of ROOT specific class methods */ |
3f2a1b1c | 48 | ClassImp(AliHLTDataBuffer) |
49 | ||
3f2a1b1c | 50 | AliHLTDataBuffer::AliHLTDataBuffer() |
85869391 | 51 | : |
52 | fSegments(), | |
53 | fConsumers(), | |
54 | fActiveConsumers(), | |
55 | fReleasedConsumers(), | |
56 | fpBuffer(NULL), | |
b46ca65e | 57 | fFlags(0), |
58 | fForwardedSegmentSources(), | |
59 | fForwardedSegments() | |
3f2a1b1c | 60 | { |
70ed7d01 | 61 | // see header file for class documentation |
62 | // or | |
63 | // refer to README to build package | |
64 | // or | |
65 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
85869391 | 66 | fSegments.empty(); |
67 | fConsumers.empty(); | |
68 | fActiveConsumers.empty(); | |
69 | fReleasedConsumers.empty(); | |
70ed7d01 | 70 | fgNofInstances++; |
3f2a1b1c | 71 | } |
72 | ||
70ed7d01 | 73 | int AliHLTDataBuffer::fgNofInstances=0; |
2be3f004 | 74 | AliHLTRawBufferPList AliHLTDataBuffer::fgFreeBuffers; |
75 | AliHLTRawBufferPList AliHLTDataBuffer::fgActiveBuffers; | |
70ed7d01 | 76 | AliHLTUInt32_t AliHLTDataBuffer::fgMargin=1024; |
b22e91eb | 77 | AliHLTLogging AliHLTDataBuffer::fgLogging; |
8451168b | 78 | const Int_t AliHLTDataBuffer::fgkSafetyPatternSize=16; |
79 | const char AliHLTDataBuffer::fgkSafetyPattern[]={0x28, 0x63, 0x29, 0x4d, 0x52, 0x49, 0x43, 0x48, 0x54, 0x45, 0x52, 0x20, 0x32, 0x30, 0x30, 0x37}; | |
b22e91eb | 80 | |
3f2a1b1c | 81 | AliHLTDataBuffer::~AliHLTDataBuffer() |
82 | { | |
70ed7d01 | 83 | // see header file for function documentation |
84 | if (--fgNofInstances<=0) { | |
3f2a1b1c | 85 | DeleteRawBuffers(); |
86 | } | |
87 | CleanupConsumerList(); | |
88 | } | |
89 | ||
0c0c9d99 | 90 | int AliHLTDataBuffer::SetConsumer(AliHLTComponent* pConsumer) |
3f2a1b1c | 91 | { |
70ed7d01 | 92 | // see header file for function documentation |
3f2a1b1c | 93 | int iResult=0; |
94 | if (pConsumer) { | |
9ce4bf4a | 95 | if (FindConsumer(pConsumer)) { |
96 | HLTWarning("consumer %s (%p) already set to data buffer %p", pConsumer->GetComponentID(), pConsumer, this); | |
97 | } | |
0c0c9d99 | 98 | AliHLTConsumerDescriptor* pDesc=new AliHLTConsumerDescriptor(pConsumer); |
3f2a1b1c | 99 | if (pDesc) { |
100 | fConsumers.push_back(pDesc); | |
9ce4bf4a | 101 | HLTDebug("set consumer %s (%p) to data buffer %p", pConsumer->GetComponentID(), pConsumer, this); |
3f2a1b1c | 102 | } else { |
103 | HLTError("memory allocation failed"); | |
104 | iResult=-ENOMEM; | |
105 | } | |
106 | } else { | |
9ce4bf4a | 107 | HLTError("invalid parameter: consumer component (nil)"); |
3f2a1b1c | 108 | iResult=-EINVAL; |
109 | } | |
110 | return iResult; | |
111 | } | |
112 | ||
2be3f004 | 113 | int AliHLTDataBuffer::FindMatchingDataBlocks(const AliHLTComponent* pConsumer, AliHLTComponentDataTypeList* tgtList) |
0c0c9d99 | 114 | { |
70ed7d01 | 115 | // see header file for function documentation |
0c0c9d99 | 116 | int iResult=0; |
117 | if (pConsumer) { | |
2be3f004 | 118 | AliHLTDataSegmentList segments; |
0c0c9d99 | 119 | if ((iResult=FindMatchingDataSegments(pConsumer, segments))>=0) { |
120 | if (tgtList) { | |
2be3f004 | 121 | AliHLTDataSegmentList::iterator segment=segments.begin(); |
0c0c9d99 | 122 | while (segment!=segments.end()) { |
123 | tgtList->push_back((*segment).fDataType); | |
124 | segment++; | |
125 | } | |
126 | } | |
127 | iResult=segments.size(); | |
128 | } | |
129 | } else { | |
130 | iResult=-EINVAL; | |
131 | } | |
132 | return iResult; | |
133 | } | |
134 | ||
6235cd38 | 135 | int AliHLTDataBuffer::FindMatchingDataSegments(const AliHLTComponent* pConsumer, vector<AliHLTDataBuffer::AliHLTDataSegment>& tgtList) |
0c0c9d99 | 136 | { |
70ed7d01 | 137 | // see header file for function documentation |
0c0c9d99 | 138 | int iResult=0; |
9b7fe12d | 139 | |
140 | // Matthias 26.09.2007 relax the restriction to matching data blocks | |
141 | // all blocks are passed to the consumer, which is the policy also in | |
142 | // PubSub | |
143 | tgtList.assign(fSegments.begin(), fSegments.end()); | |
b46ca65e | 144 | |
145 | // add all forwarded blocks | |
146 | tgtList.insert(tgtList.begin(), fForwardedSegments.begin(), fForwardedSegments.end()); | |
9b7fe12d | 147 | iResult=tgtList.size(); |
148 | return iResult; | |
149 | ||
0c0c9d99 | 150 | if (pConsumer) { |
2be3f004 | 151 | AliHLTComponentDataTypeList dtlist; |
0c0c9d99 | 152 | ((AliHLTComponent*)pConsumer)->GetInputDataTypes(dtlist); |
2be3f004 | 153 | AliHLTDataSegmentList::iterator segment=fSegments.begin(); |
0c0c9d99 | 154 | while (segment!=fSegments.end()) { |
2be3f004 | 155 | AliHLTComponentDataTypeList::iterator type=dtlist.begin(); |
0c0c9d99 | 156 | while (type!=dtlist.end()) { |
9ce4bf4a | 157 | if ((*segment).fDataType==(*type) || |
158 | (*type)==kAliHLTAnyDataType) { | |
0c0c9d99 | 159 | tgtList.push_back(*segment); |
160 | iResult++; | |
161 | break; | |
162 | } | |
163 | type++; | |
164 | } | |
165 | segment++; | |
166 | } | |
167 | } else { | |
168 | iResult=-EINVAL; | |
169 | } | |
170 | return iResult; | |
171 | } | |
172 | ||
457ec821 | 173 | int AliHLTDataBuffer::Subscribe(const AliHLTComponent* pConsumer, AliHLTComponentBlockDataList& blockDescList) |
3f2a1b1c | 174 | { |
70ed7d01 | 175 | // see header file for function documentation |
3f2a1b1c | 176 | int iResult=0; |
457ec821 | 177 | if (pConsumer) { |
b46ca65e | 178 | if (1/*fpBuffer*/) { |
0c0c9d99 | 179 | AliHLTConsumerDescriptor* pDesc=FindConsumer(pConsumer, fConsumers); |
3f2a1b1c | 180 | if (pDesc) { |
2be3f004 | 181 | AliHLTDataSegmentList tgtList; |
9b7fe12d | 182 | // Matthias 26.07.2007 AliHLTSystem should behave the same way as PubSub |
183 | // so it does not matter if there are matching data types or not, unless | |
184 | // we implement such a check in PubSub | |
185 | if ((iResult=FindMatchingDataSegments(pConsumer, tgtList))>=0) { | |
2be3f004 | 186 | AliHLTDataSegmentList::iterator segment=tgtList.begin(); |
457ec821 | 187 | while (segment!=tgtList.end()) { |
3f2a1b1c | 188 | // fill the block data descriptor |
457ec821 | 189 | AliHLTComponentBlockData bd; |
190 | AliHLTComponent::FillBlockData(bd); | |
3294f81a | 191 | // This models the behavior of PubSub. |
192 | // For incoming data blocks, fOffset must be ignored by the | |
193 | // processing component. It is set for bookkeeping in the framework. | |
194 | // fPtr always points to the beginning of the data. | |
457ec821 | 195 | bd.fOffset=0; |
b46ca65e | 196 | AliHLTUInt8_t* pTgt=*segment; |
457ec821 | 197 | bd.fPtr=reinterpret_cast<void*>(pTgt); |
198 | bd.fSize=(*segment).fSegmentSize; | |
199 | bd.fDataType=(*segment).fDataType; | |
200 | bd.fSpecification=(*segment).fSpecification; | |
201 | blockDescList.push_back(bd); | |
b46ca65e | 202 | pDesc->SetActiveDataSegment(*segment); |
457ec821 | 203 | HLTDebug("component %p (%s) subscribed to segment offset %d size %d data type %s %#x", |
204 | pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID(), bd.fOffset, | |
205 | bd.fSize, (AliHLTComponent::DataType2Text(bd.fDataType)).c_str(), | |
206 | bd.fSpecification); | |
0c0c9d99 | 207 | segment++; |
208 | } | |
209 | // move this consumer to the active list | |
457ec821 | 210 | if (tgtList.size()==0) { |
b46ca65e | 211 | ChangeConsumerState(pDesc, fConsumers, fReleasedConsumers); |
212 | HLTDebug("no input data for component %p (%s) available", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID()); | |
213 | } else if (ChangeConsumerState(pDesc, fConsumers, fActiveConsumers)>=0) { | |
0c0c9d99 | 214 | HLTDebug("component %p (%s) subscribed to data buffer %p", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID(), this); |
3f2a1b1c | 215 | } else { |
0c0c9d99 | 216 | // TODO: cleanup the consumer descriptor correctly |
457ec821 | 217 | segment=tgtList.begin(); |
218 | while (segment!=tgtList.end()) { | |
219 | blockDescList.pop_back(); | |
220 | segment++; | |
221 | } | |
3f2a1b1c | 222 | HLTError("can not activate consumer %p for data buffer %p", pConsumer, this); |
223 | iResult=-EACCES; | |
224 | } | |
225 | } else { | |
0c0c9d99 | 226 | HLTError("unresolved data segment(s) for component %p (%s)", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID()); |
3f2a1b1c | 227 | iResult=-EBADF; |
228 | } | |
229 | } else { | |
0c0c9d99 | 230 | HLTError("component %p is not a data consumer of data buffer %s", pConsumer, this); |
3f2a1b1c | 231 | iResult=-ENOENT; |
232 | } | |
233 | } else { | |
9b7fe12d | 234 | // Matthias 26.07.2007 until now, data had to be present for successful subscription |
235 | // in order to be consistent with the PubSub framework, this restiction has been | |
236 | // removed | |
237 | //HLTError("data buffer %p is empty", this); | |
238 | //iResult=-ENODATA; | |
3f2a1b1c | 239 | } |
240 | } else { | |
241 | HLTError("invalid parameter"); | |
242 | iResult=-EINVAL; | |
243 | } | |
244 | return iResult; | |
245 | } | |
246 | ||
b46ca65e | 247 | int AliHLTDataBuffer::Release(AliHLTComponentBlockData* pBlockDesc, |
248 | const AliHLTComponent* pConsumer, | |
249 | const AliHLTTask* pOwnerTask) | |
3f2a1b1c | 250 | { |
70ed7d01 | 251 | // see header file for function documentation |
3f2a1b1c | 252 | int iResult=0; |
253 | if (pBlockDesc && pConsumer) { | |
0c0c9d99 | 254 | AliHLTConsumerDescriptor* pDesc=FindConsumer(pConsumer, fActiveConsumers); |
255 | if (pDesc) { | |
b46ca65e | 256 | if ((iResult=pDesc->CheckActiveDataSegment(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize)))!=1) { |
0c0c9d99 | 257 | HLTWarning("data segment missmatch, component %p has not subscribed to a segment with offset %#x and size %d", pConsumer, pBlockDesc->fOffset, pBlockDesc->fSize); |
258 | // TODO: appropriate error handling, but so far optional | |
259 | iResult=0; | |
260 | } else { | |
b46ca65e | 261 | pDesc->ReleaseActiveDataSegment(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize)); |
262 | } | |
263 | if (GetNofPendingConsumers()==0 && fForwardedSegments.size()>0) { | |
264 | // last consumer, release forwarded segments | |
265 | assert(fForwardedSegments.size()==fForwardedSegmentSources.size()); | |
266 | AliHLTDataSegmentList::iterator segment=fForwardedSegments.begin(); | |
267 | AliHLTTaskPList::iterator src=fForwardedSegmentSources.begin(); | |
268 | //HLTDebug("%p checking forwarded segments", this); | |
269 | for (; segment!=fForwardedSegments.end(); segment++, src++) { | |
270 | //HLTDebug("segment ptr=%p offset=%d size=%d\n" | |
271 | // "block ptr=%p offset=%d size=%d", (*segment).fPtr, (*segment).fSegmentOffset, (*segment).fSegmentSize, pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize); | |
272 | if ((*segment)==AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize)) { | |
273 | //HLTDebug("release segment of task %p", *src); | |
274 | assert((*src)!=NULL); | |
275 | if ((*src)!=NULL) { | |
276 | if ((*src)->Release(pBlockDesc, pOwnerTask)>=0) { | |
277 | HLTDebug("task %s (%p) released forwarded segment %p size %d of task %s (%p)", | |
278 | pOwnerTask->GetName(), pOwnerTask, (*segment).GetPtr(), (*segment).GetSize(), | |
279 | (*src)->GetName(), *src); | |
280 | } else { | |
281 | HLTError("task %s (%p) failed releasing forwarded segment %p size %d of task %s (%p)", | |
282 | pOwnerTask->GetName(), pOwnerTask, (*segment).GetPtr(), (*segment).GetSize(), | |
283 | (*src)->GetName(), *src); | |
284 | } | |
285 | } | |
286 | fForwardedSegments.erase(segment); | |
287 | fForwardedSegmentSources.erase(src); | |
288 | break; | |
289 | } | |
290 | } | |
0c0c9d99 | 291 | } |
b46ca65e | 292 | pBlockDesc->fOffset=0; |
293 | pBlockDesc->fPtr=NULL; | |
294 | pBlockDesc->fSize=0; | |
0c0c9d99 | 295 | if (pDesc->GetNofActiveSegments()==0) { |
3f2a1b1c | 296 | if ((iResult=ChangeConsumerState(pDesc, fActiveConsumers, fReleasedConsumers))>=0) { |
b426991e | 297 | if (GetNofActiveConsumers()==0 && GetNofPendingConsumers()==0) { |
0c0c9d99 | 298 | // this is the last consumer, reset the consumer list and release the raw buffer |
3f2a1b1c | 299 | ResetDataBuffer(); |
3f2a1b1c | 300 | } |
301 | } else { | |
302 | HLTError("can not deactivate consumer %p for data buffer %p", pConsumer, this); | |
303 | iResult=-EACCES; | |
304 | } | |
3f2a1b1c | 305 | } |
0c0c9d99 | 306 | } else { |
307 | HLTWarning("component %p has currently not subscribed to the data buffer %p", pConsumer, this); | |
308 | iResult=-ENOENT; | |
309 | } | |
3f2a1b1c | 310 | } else { |
311 | HLTError("inavalid parameter: pBlockDesc=%p pConsumer=%p", pBlockDesc, pConsumer); | |
312 | iResult=-EINVAL; | |
313 | } | |
314 | return iResult; | |
315 | } | |
316 | ||
b46ca65e | 317 | int AliHLTDataBuffer::Forward(AliHLTTask* pSrcTask, AliHLTComponentBlockData* pBlockDesc) |
318 | { | |
319 | // see header file for function documentation | |
320 | if (pSrcTask==NULL || pBlockDesc==NULL) return -EINVAL; | |
321 | assert(fForwardedSegments.size()==fForwardedSegmentSources.size()); | |
322 | if (fForwardedSegments.size()!=fForwardedSegmentSources.size()) return -EFAULT; | |
323 | fForwardedSegmentSources.push_back(pSrcTask); | |
457ec821 | 324 | fForwardedSegments.push_back(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize, pBlockDesc->fDataType, pBlockDesc->fSpecification)); |
b46ca65e | 325 | return 0; |
326 | } | |
327 | ||
3f2a1b1c | 328 | AliHLTUInt8_t* AliHLTDataBuffer::GetTargetBuffer(int iMinSize) |
329 | { | |
70ed7d01 | 330 | // see header file for function documentation |
3f2a1b1c | 331 | AliHLTUInt8_t* pTargetBuffer=NULL; |
b6800be0 | 332 | if (fpBuffer!=NULL) { |
333 | HLTWarning("data buffer not properly reset, possible memory leak\n"); | |
334 | } | |
3f2a1b1c | 335 | fpBuffer=CreateRawBuffer(iMinSize); |
9ce4bf4a | 336 | if (fpBuffer) { |
1e6e67ec | 337 | pTargetBuffer=*fpBuffer; |
9ce4bf4a | 338 | } else { |
339 | HLTError("can not create raw buffer"); | |
340 | } | |
3f2a1b1c | 341 | return pTargetBuffer; |
342 | } | |
343 | ||
8ede8717 | 344 | int AliHLTDataBuffer::SetSegments(AliHLTUInt8_t* pTgt, AliHLTComponentBlockData* arrayBlockData, int iSize) |
3f2a1b1c | 345 | { |
70ed7d01 | 346 | // see header file for function documentation |
3f2a1b1c | 347 | int iResult=0; |
348 | if (pTgt && arrayBlockData && iSize>=0) { | |
0c0c9d99 | 349 | if (fpBuffer) { |
1e6e67ec | 350 | if (*fpBuffer==pTgt) { |
6235cd38 | 351 | AliHLTDataBuffer::AliHLTDataSegment segment; |
0c0c9d99 | 352 | for (int i=0; i<iSize; i++) { |
3294f81a | 353 | // This function has to model the behavior of PubSub |
354 | // For output blocks only the fOffset value is used, this must be the offset | |
355 | // relative to the output pointer. fPtr must be either NULL or the output | |
b46ca65e | 356 | // pointer. In either case it is 'ignored' and set to the beginning of the |
357 | // data buffer | |
6434d28a | 358 | if (arrayBlockData[i].fPtr==NULL || |
3294f81a | 359 | arrayBlockData[i].fPtr==*fpBuffer) { |
b46ca65e | 360 | arrayBlockData[i].fPtr=*fpBuffer; |
c0a2bfc2 | 361 | if (arrayBlockData[i].fOffset+arrayBlockData[i].fSize<=fpBuffer->GetUsedSize()) { |
3294f81a | 362 | segment.fSegmentOffset=arrayBlockData[i].fOffset; |
b46ca65e | 363 | segment.fPtr=(AliHLTUInt8_t*)arrayBlockData[i].fPtr; |
1e6e67ec | 364 | segment.fSegmentSize=arrayBlockData[i].fSize; |
365 | segment.fDataType=arrayBlockData[i].fDataType; | |
366 | segment.fSpecification=arrayBlockData[i].fSpecification; | |
367 | fSegments.push_back(segment); | |
368 | HLTDebug("set segment %s with size %d at offset %d", AliHLTComponent::DataType2Text(segment.fDataType).data(), segment.fSegmentSize, segment.fSegmentOffset); | |
369 | } else { | |
370 | HLTError("block data specification %#d (%s) exceeds size of data buffer", i, AliHLTComponent::DataType2Text(arrayBlockData[i].fDataType).data()); | |
c0a2bfc2 | 371 | HLTError("block offset=%d, block size=%d, buffer size=%d", arrayBlockData[i].fOffset, arrayBlockData[i].fSize, fpBuffer->GetUsedSize()); |
1e6e67ec | 372 | iResult=-E2BIG; |
373 | } | |
0c0c9d99 | 374 | } else { |
3294f81a | 375 | HLTError("invalid pointer (%p) in block data specification (buffer %p size %d)." |
376 | "please note: for output blocks only the fOffset value is valid and must " | |
c0a2bfc2 | 377 | "be relative to the output buffer", arrayBlockData[i].fPtr, fpBuffer->GetPointer(), fpBuffer->GetUsedSize()); |
1e6e67ec | 378 | iResult=-ERANGE; |
0c0c9d99 | 379 | } |
380 | } | |
3f2a1b1c | 381 | } else { |
c0a2bfc2 | 382 | HLTError("this data buffer (%p) does not match the internal data buffer %p of raw buffer %p", pTgt, fpBuffer->GetPointer(), fpBuffer); |
8451168b | 383 | iResult=-EINVAL; |
3f2a1b1c | 384 | } |
0c0c9d99 | 385 | } else { |
386 | HLTFatal("internal data structur missmatch"); | |
387 | iResult=-EFAULT; | |
3f2a1b1c | 388 | } |
389 | } else { | |
0c0c9d99 | 390 | HLTError("invalid parameter: pTgtBuffer=%p arrayBlockData=%p", pTgt, arrayBlockData); |
3f2a1b1c | 391 | iResult=-EINVAL; |
392 | } | |
393 | return iResult; | |
394 | } | |
395 | ||
396 | int AliHLTDataBuffer::IsEmpty() | |
397 | { | |
70ed7d01 | 398 | // see header file for function documentation |
3f2a1b1c | 399 | int iResult=fpBuffer==NULL || GetNofSegments()==0; |
400 | return iResult; | |
401 | } | |
402 | ||
403 | int AliHLTDataBuffer::GetNofSegments() | |
404 | { | |
70ed7d01 | 405 | // see header file for function documentation |
3f2a1b1c | 406 | int iResult=fSegments.size(); |
407 | return iResult; | |
408 | } | |
409 | ||
410 | int AliHLTDataBuffer::GetNofConsumers() | |
411 | { | |
70ed7d01 | 412 | // see header file for function documentation |
3f2a1b1c | 413 | int iResult=fConsumers.size() + GetNofActiveConsumers() + fReleasedConsumers.size(); |
414 | return iResult; | |
415 | } | |
416 | ||
b426991e | 417 | int AliHLTDataBuffer::GetNofPendingConsumers() |
418 | { | |
419 | // see header file for function documentation | |
420 | int iResult=fConsumers.size(); | |
421 | return iResult; | |
422 | } | |
423 | ||
3f2a1b1c | 424 | int AliHLTDataBuffer::GetNofActiveConsumers() |
425 | { | |
70ed7d01 | 426 | // see header file for function documentation |
3f2a1b1c | 427 | int iResult=fActiveConsumers.size(); |
428 | return iResult; | |
429 | } | |
430 | ||
6235cd38 | 431 | AliHLTDataBuffer::AliHLTRawBuffer* AliHLTDataBuffer::CreateRawBuffer(AliHLTUInt32_t size) |
3f2a1b1c | 432 | { |
70ed7d01 | 433 | // see header file for function documentation |
3f2a1b1c | 434 | AliHLTRawBuffer* pRawBuffer=NULL; |
7a5ccd96 | 435 | unsigned int reqSize=size+fgkSafetyPatternSize; |
2be3f004 | 436 | AliHLTRawBufferPList::iterator buffer=fgFreeBuffers.begin(); |
70ed7d01 | 437 | while (buffer!=fgFreeBuffers.end() && pRawBuffer==NULL) { |
d6cbe999 | 438 | if ((*buffer)->CheckSize(reqSize)) { |
3f2a1b1c | 439 | // assign this element |
440 | pRawBuffer=*buffer; | |
d6cbe999 | 441 | pRawBuffer->UseBuffer(size); |
70ed7d01 | 442 | fgFreeBuffers.erase(buffer); |
c0a2bfc2 | 443 | fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "raw buffer container %p provided for request of %d bytes (total %d available in buffer %p)", pRawBuffer, size, pRawBuffer->GetTotalSize(), pRawBuffer->GetPointer()); |
70ed7d01 | 444 | fgActiveBuffers.push_back(pRawBuffer); |
0c0c9d99 | 445 | break; |
3f2a1b1c | 446 | } |
0c0c9d99 | 447 | buffer++; |
3f2a1b1c | 448 | } |
449 | if (pRawBuffer==NULL) { | |
0c0c9d99 | 450 | // no buffer found, create a new one |
d6cbe999 | 451 | pRawBuffer=new AliHLTRawBuffer(reqSize); |
3f2a1b1c | 452 | if (pRawBuffer) { |
c0a2bfc2 | 453 | if (pRawBuffer->GetPointer()) { |
d6cbe999 | 454 | pRawBuffer->UseBuffer(size); |
70ed7d01 | 455 | fgActiveBuffers.push_back(pRawBuffer); |
c0a2bfc2 | 456 | fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "new raw buffer %p of size %d created (container %p)", pRawBuffer->GetPointer(), pRawBuffer->GetTotalSize(), pRawBuffer); |
3f2a1b1c | 457 | } else { |
458 | delete pRawBuffer; | |
459 | pRawBuffer=NULL; | |
0c0c9d99 | 460 | fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "memory allocation failed"); |
3f2a1b1c | 461 | } |
462 | } else { | |
0c0c9d99 | 463 | fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "memory allocation failed"); |
3f2a1b1c | 464 | } |
465 | } | |
73ede1d3 | 466 | if (pRawBuffer!=NULL && fgkSafetyPatternSize>0) { |
c0a2bfc2 | 467 | //fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "writing safety pattern to %p offset %d", (*buffer)->GetPointer(), (*buffer)->GetUsedSize()); |
49b01d04 | 468 | pRawBuffer->WritePattern(fgkSafetyPattern, fgkSafetyPatternSize); |
73ede1d3 | 469 | } |
3f2a1b1c | 470 | return pRawBuffer; |
471 | } | |
472 | ||
473 | int AliHLTDataBuffer::ReleaseRawBuffer(AliHLTRawBuffer* pBuffer) | |
474 | { | |
70ed7d01 | 475 | // see header file for function documentation |
3f2a1b1c | 476 | int iResult=0; |
477 | if (pBuffer) { | |
2be3f004 | 478 | AliHLTRawBufferPList::iterator buffer=fgActiveBuffers.begin(); |
70ed7d01 | 479 | while (buffer!=fgActiveBuffers.end() && (*buffer)!=pBuffer) { |
3f2a1b1c | 480 | buffer++; |
481 | } | |
70ed7d01 | 482 | if (buffer!=fgActiveBuffers.end()) { |
8451168b | 483 | if (fgkSafetyPatternSize>0) { |
c0a2bfc2 | 484 | //fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "comparing safety pattern at %p offset %d", (*buffer)->GetPointer(), reinterpret_cast<AliHLTUInt32_t>(*buffer)); |
d6cbe999 | 485 | if ((*buffer)->CheckPattern(fgkSafetyPattern, fgkSafetyPatternSize)) { |
c0a2bfc2 | 486 | fgLogging.Logging(kHLTLogFatal, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "component has written beyond end of data buffer %p size %d", (*buffer)->GetPointer(), (*buffer)->GetUsedSize()); |
8451168b | 487 | } |
488 | } | |
d6cbe999 | 489 | (*buffer)->Reset(); |
70ed7d01 | 490 | fgFreeBuffers.push_back(*buffer); |
491 | fgActiveBuffers.erase(buffer); | |
3f2a1b1c | 492 | } else { |
0c0c9d99 | 493 | fgLogging.Logging(kHLTLogWarning, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "can not find raw buffer container %p in the list of active containers", pBuffer); |
3f2a1b1c | 494 | iResult=-ENOENT; |
495 | } | |
496 | } else { | |
0c0c9d99 | 497 | fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "invalid parameter"); |
3f2a1b1c | 498 | iResult=-EINVAL; |
499 | } | |
500 | return iResult; | |
501 | } | |
502 | ||
503 | ||
504 | int AliHLTDataBuffer::DeleteRawBuffers() | |
505 | { | |
70ed7d01 | 506 | // see header file for function documentation |
3f2a1b1c | 507 | int iResult=0; |
dba03d72 | 508 | // int iTotalSize=0; |
509 | // int iCount=fgFreeBuffers.size()+fgActiveBuffers.size(); | |
510 | AliHLTRawBufferPList::iterator buffer;; | |
511 | while ((buffer=fgFreeBuffers.begin())!=fgFreeBuffers.end()) { | |
512 | // iTotalSize+=(*buffer)->GetTotalSize(); | |
3f2a1b1c | 513 | delete *buffer; |
70ed7d01 | 514 | fgFreeBuffers.erase(buffer); |
3f2a1b1c | 515 | } |
dba03d72 | 516 | while ((buffer=fgActiveBuffers.begin())!=fgActiveBuffers.end()) { |
517 | // iTotalSize+=(*buffer)->GetTotalSize(); | |
c0a2bfc2 | 518 | fgLogging.Logging(kHLTLogWarning, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "request to delete active raw buffer container (raw buffer %p, size %d)", (*buffer)->GetPointer(), (*buffer)->GetTotalSize()); |
3f2a1b1c | 519 | delete *buffer; |
70ed7d01 | 520 | fgActiveBuffers.erase(buffer); |
3f2a1b1c | 521 | } |
dba03d72 | 522 | // fgLogging.Logging(kHLTLogInfo, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "Total memory allocation: %d byte in %d buffers", iTotalSize, iCount); |
3f2a1b1c | 523 | return iResult; |
524 | } | |
525 | ||
2be3f004 | 526 | AliHLTConsumerDescriptor* AliHLTDataBuffer::FindConsumer(const AliHLTComponent* pConsumer, AliHLTConsumerDescriptorPList &list) const |
3f2a1b1c | 527 | { |
70ed7d01 | 528 | // see header file for function documentation |
3f2a1b1c | 529 | AliHLTConsumerDescriptor* pDesc=NULL; |
2be3f004 | 530 | AliHLTConsumerDescriptorPList::iterator desc=list.begin(); |
3f2a1b1c | 531 | while (desc!=list.end() && pDesc==NULL) { |
0c0c9d99 | 532 | if ((pConsumer==NULL || (*desc)->GetComponent()==pConsumer)) { |
3f2a1b1c | 533 | pDesc=*desc; |
534 | } | |
0c0c9d99 | 535 | desc++; |
3f2a1b1c | 536 | } |
537 | return pDesc; | |
538 | } | |
539 | ||
0c0c9d99 | 540 | int AliHLTDataBuffer::ResetDataBuffer() |
541 | { | |
70ed7d01 | 542 | // see header file for function documentation |
3f2a1b1c | 543 | int iResult=0; |
0c0c9d99 | 544 | AliHLTRawBuffer* pBuffer=fpBuffer; |
3f2a1b1c | 545 | fpBuffer=NULL; |
9ce4bf4a | 546 | |
b46ca65e | 547 | // cleanup forwarded segment lists |
548 | assert(fForwardedSegments.size()==0); | |
549 | fForwardedSegments.clear(); | |
550 | fForwardedSegmentSources.clear(); | |
551 | ||
9ce4bf4a | 552 | // cleanup consumer states |
2be3f004 | 553 | AliHLTConsumerDescriptorPList::iterator desc; |
b426991e | 554 | // if (GetNofPendingConsumers()>0) { |
555 | // desc=fConsumers.begin(); | |
556 | // while (desc!=fConsumers.end()) { | |
557 | // AliHLTComponent* pComp=(*desc)->GetComponent(); | |
558 | // HLTError("internal error: consumer %p (%s %p) did not get data from data buffer %p", *desc, pComp?pComp->GetComponentID():"", pComp, this); | |
559 | // desc++; | |
560 | // } | |
561 | // } | |
562 | desc=fReleasedConsumers.begin(); | |
3f2a1b1c | 563 | while (desc!=fReleasedConsumers.end()) { |
564 | AliHLTConsumerDescriptor* pDesc=*desc; | |
565 | fReleasedConsumers.erase(desc); | |
566 | desc=fReleasedConsumers.begin(); | |
567 | fConsumers.push_back(pDesc); | |
568 | } | |
569 | desc=fActiveConsumers.begin(); | |
570 | while (desc!=fActiveConsumers.end()) { | |
571 | AliHLTConsumerDescriptor* pDesc=*desc; | |
572 | HLTWarning("consumer %p was not released", pDesc); | |
573 | fActiveConsumers.erase(desc); | |
574 | desc=fActiveConsumers.begin(); | |
575 | fConsumers.push_back(pDesc); | |
576 | } | |
9ce4bf4a | 577 | |
578 | // cleanup segments | |
2be3f004 | 579 | AliHLTDataSegmentList::iterator segment=fSegments.begin(); |
9ce4bf4a | 580 | while (segment!=fSegments.end()) { |
581 | fSegments.erase(segment); | |
582 | segment=fSegments.begin(); | |
583 | } | |
584 | ||
585 | // cleanup raw buffer | |
586 | if (pBuffer) { | |
587 | ReleaseRawBuffer(pBuffer); | |
588 | } | |
3f2a1b1c | 589 | return iResult; |
590 | } | |
591 | ||
9ce4bf4a | 592 | int AliHLTDataBuffer::Reset() |
593 | { | |
70ed7d01 | 594 | // see header file for function documentation |
9ce4bf4a | 595 | return ResetDataBuffer(); |
596 | } | |
597 | ||
0c0c9d99 | 598 | // this is the version which works on lists of components instead of consumer descriptors |
2be3f004 | 599 | // int AliHLTDataBuffer::ChangeConsumerState(AliHLTComponent* pConsumer, AliHLTComponentPList &srcList, AliHLTComponentPList &tgtList) |
0c0c9d99 | 600 | // { |
601 | // int iResult=0; | |
602 | // if (pDesc) { | |
2be3f004 | 603 | // AliHLTComponentPList::iterator desc=srcList.begin(); |
0c0c9d99 | 604 | // while (desc!=srcList.end()) { |
605 | // if ((*desc)==pConsumer) { | |
606 | // srcList.erase(desc); | |
607 | // tgtList.push_back(pConsumer); | |
608 | // break; | |
609 | // } | |
610 | // desc++; | |
611 | // } | |
612 | // if (desc==srcList.end()) { | |
613 | // HLTError("can not find consumer component %p in list", pConsumer); | |
614 | // iResult=-ENOENT; | |
615 | // } | |
616 | // } else { | |
617 | // HLTError("invalid parameter"); | |
618 | // iResult=-EINVAL; | |
619 | // } | |
620 | // return iResult; | |
621 | // } | |
622 | ||
2be3f004 | 623 | int AliHLTDataBuffer::ChangeConsumerState(AliHLTConsumerDescriptor* pDesc, AliHLTConsumerDescriptorPList &srcList, AliHLTConsumerDescriptorPList &tgtList) |
3f2a1b1c | 624 | { |
70ed7d01 | 625 | // see header file for function documentation |
9ce4bf4a | 626 | int iResult=-ENOENT; |
3f2a1b1c | 627 | if (pDesc) { |
2be3f004 | 628 | AliHLTConsumerDescriptorPList::iterator desc=srcList.begin(); |
3f2a1b1c | 629 | while (desc!=srcList.end()) { |
630 | if ((*desc)==pDesc) { | |
631 | srcList.erase(desc); | |
632 | tgtList.push_back(pDesc); | |
9ce4bf4a | 633 | iResult=0; |
3f2a1b1c | 634 | break; |
635 | } | |
0c0c9d99 | 636 | desc++; |
3f2a1b1c | 637 | } |
9ce4bf4a | 638 | if (iResult<0) { |
3f2a1b1c | 639 | HLTError("can not find consumer descriptor %p in list", pDesc); |
3f2a1b1c | 640 | } |
641 | } else { | |
642 | HLTError("invalid parameter"); | |
643 | iResult=-EINVAL; | |
644 | } | |
645 | return iResult; | |
646 | } | |
647 | ||
70ed7d01 | 648 | int AliHLTDataBuffer::CleanupConsumerList() |
649 | { | |
650 | // see header file for function documentation | |
3f2a1b1c | 651 | int iResult=0; |
652 | ResetDataBuffer(); | |
2be3f004 | 653 | AliHLTConsumerDescriptorPList::iterator desc=fConsumers.begin(); |
3f2a1b1c | 654 | while (desc!=fConsumers.end()) { |
655 | delete *desc; | |
656 | fConsumers.erase(desc); | |
657 | desc=fConsumers.begin(); | |
658 | } | |
659 | return iResult; | |
660 | } | |
9ce4bf4a | 661 | |
70ed7d01 | 662 | int AliHLTDataBuffer::FindConsumer(AliHLTComponent* pConsumer, int bAllLists) |
663 | { | |
664 | // see header file for function documentation | |
2be3f004 | 665 | AliHLTConsumerDescriptorPList::iterator desc=fConsumers.begin(); |
9ce4bf4a | 666 | while (desc!=fConsumers.end()) { |
667 | if ((*desc)->GetComponent()==pConsumer) | |
668 | return 1; | |
669 | desc++; | |
670 | } | |
671 | if (bAllLists==0) return 0; | |
672 | ||
673 | desc=fActiveConsumers.begin(); | |
674 | while (desc!=fActiveConsumers.end()) { | |
675 | if ((*desc)->GetComponent()==pConsumer) | |
676 | return 1; | |
677 | desc++; | |
678 | } | |
679 | desc=fReleasedConsumers.begin(); | |
680 | while (desc!=fReleasedConsumers.end()) { | |
681 | if ((*desc)->GetComponent()==pConsumer) | |
682 | return 1; | |
683 | desc++; | |
684 | } | |
685 | return 0; | |
686 | } | |
1e6e67ec | 687 | |
d6cbe999 | 688 | AliHLTDataBuffer::AliHLTRawBuffer::AliHLTRawBuffer(AliHLTUInt32_t size) |
689 | : | |
c0a2bfc2 | 690 | fSize(0), |
d6cbe999 | 691 | fTotalSize(size), |
692 | fPtr(static_cast<AliHLTUInt8_t*>(malloc(size))) | |
693 | { | |
694 | // see header file for class documentation | |
695 | // or | |
696 | // refer to README to build package | |
697 | // or | |
698 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
699 | if (fPtr==NULL) { | |
700 | fSize=0; | |
701 | fTotalSize=0; | |
702 | } | |
703 | } | |
704 | ||
705 | AliHLTDataBuffer::AliHLTRawBuffer::~AliHLTRawBuffer() | |
706 | { | |
707 | if (fPtr) { | |
708 | free(fPtr); | |
709 | } | |
710 | fPtr=NULL; | |
711 | fSize=0; | |
712 | fTotalSize=0; | |
713 | } | |
714 | ||
3a7c0444 | 715 | int AliHLTDataBuffer::AliHLTRawBuffer::operator==(void* ptr) const |
1e6e67ec | 716 | { |
3a7c0444 | 717 | // see header file for function documentation |
1e6e67ec | 718 | return fPtr == static_cast<AliHLTUInt8_t*>(ptr); |
719 | } | |
720 | ||
3a7c0444 | 721 | int AliHLTDataBuffer::AliHLTRawBuffer::operator<=(void* ptr) const |
1e6e67ec | 722 | { |
3a7c0444 | 723 | // see header file for function documentation |
1e6e67ec | 724 | int iResult=fPtr <= static_cast<AliHLTUInt8_t*>(ptr); |
725 | //printf("%p: %p <= %p (%d)\n", this, fPtr, ptr, iResult); | |
726 | return iResult; | |
727 | } | |
728 | ||
3a7c0444 | 729 | int AliHLTDataBuffer::AliHLTRawBuffer::operator>(void* ptr) const |
1e6e67ec | 730 | { |
3a7c0444 | 731 | // see header file for function documentation |
1e6e67ec | 732 | int iResult=fPtr+fSize > static_cast<AliHLTUInt8_t*>(ptr); |
733 | //printf("%p: %p + %d > %p (%d)\n", this, fPtr, fSize, ptr, iResult); | |
734 | return iResult; | |
735 | } | |
736 | ||
3a7c0444 | 737 | int AliHLTDataBuffer::AliHLTRawBuffer::operator-(void* ptr) const |
1e6e67ec | 738 | { |
3a7c0444 | 739 | // see header file for function documentation |
1e6e67ec | 740 | return static_cast<int>(static_cast<AliHLTUInt8_t*>(ptr)-fPtr); |
741 | } | |
d6cbe999 | 742 | |
743 | AliHLTUInt8_t* AliHLTDataBuffer::AliHLTRawBuffer::UseBuffer(AliHLTUInt32_t size) | |
744 | { | |
745 | // see header file for function documentation | |
dba03d72 | 746 | if (size>0 && fTotalSize>=size) { |
d6cbe999 | 747 | fSize=size; |
748 | return fPtr; | |
749 | } | |
750 | return NULL; | |
751 | } | |
752 | ||
753 | int AliHLTDataBuffer::AliHLTRawBuffer::CheckSize(AliHLTUInt32_t size) const | |
754 | { | |
755 | // see header file for function documentation | |
756 | return fTotalSize>=size && ((fTotalSize-size)<fgMargin); | |
757 | } | |
758 | ||
759 | int AliHLTDataBuffer::AliHLTRawBuffer::Reset() | |
760 | { | |
761 | // see header file for function documentation | |
762 | fSize=0; | |
2be3f004 | 763 | return 0; |
d6cbe999 | 764 | } |
765 | ||
766 | int AliHLTDataBuffer::AliHLTRawBuffer::WritePattern(const char* pattern, int size) | |
767 | { | |
768 | // see header file for function documentation | |
769 | int iResult=0; | |
770 | if (pattern!=NULL && size>0) { | |
771 | if (fSize+size<=fTotalSize) { | |
772 | memcpy(((char*)fPtr)+fSize, pattern, size); | |
773 | iResult=size; | |
774 | } else { | |
775 | iResult=-ENOSPC; | |
776 | } | |
777 | } | |
778 | return iResult; | |
779 | } | |
780 | ||
781 | int AliHLTDataBuffer::AliHLTRawBuffer::CheckPattern(const char* pattern, int size) const | |
782 | { | |
783 | // see header file for function documentation | |
784 | int iResult=0; | |
785 | if (pattern!=NULL && size>0) { | |
786 | if (fSize+size<=fTotalSize) { | |
787 | iResult=memcmp(((char*)fPtr)+fSize, pattern, size)!=0; | |
788 | } else { | |
789 | iResult=-ENOSPC; | |
790 | } | |
791 | } | |
792 | return iResult; | |
793 | } |