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3f2a1b1c | 1 | // $Id$ |
2 | ||
c5123824 | 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 | //************************************************************************** | |
3f2a1b1c | 18 | |
b22e91eb | 19 | /** @file AliHLTDataBuffer.cxx |
20 | @author Matthias Richter | |
21 | @date | |
22 | @brief Handling of Data Buffers for HLT components. | |
23 | */ | |
3f2a1b1c | 24 | |
0c0c9d99 | 25 | #if __GNUC__>= 3 |
3f2a1b1c | 26 | using namespace std; |
27 | #endif | |
28 | ||
29 | #include "AliHLTDataBuffer.h" | |
6235cd38 | 30 | #include "AliHLTConsumerDescriptor.h" |
b22e91eb | 31 | #include "AliHLTComponent.h" |
b46ca65e | 32 | #include "AliHLTTask.h" |
66043029 | 33 | #include <cerrno> |
d6cbe999 | 34 | #include <cassert> |
66043029 | 35 | //#include <string> |
36 | //#include "AliHLTSystem.h" | |
3f2a1b1c | 37 | |
2be3f004 | 38 | typedef vector<AliHLTDataBuffer::AliHLTDataSegment> AliHLTDataSegmentList; |
39 | typedef vector<AliHLTDataBuffer::AliHLTRawBuffer*> AliHLTRawBufferPList; | |
40 | ||
b22e91eb | 41 | /** ROOT macro for the implementation of ROOT specific class methods */ |
3f2a1b1c | 42 | ClassImp(AliHLTDataBuffer) |
43 | ||
3f2a1b1c | 44 | AliHLTDataBuffer::AliHLTDataBuffer() |
85869391 | 45 | : |
46 | fSegments(), | |
47 | fConsumers(), | |
48 | fActiveConsumers(), | |
49 | fReleasedConsumers(), | |
50 | fpBuffer(NULL), | |
b46ca65e | 51 | fFlags(0), |
52 | fForwardedSegmentSources(), | |
53 | fForwardedSegments() | |
3f2a1b1c | 54 | { |
70ed7d01 | 55 | // see header file for class documentation |
56 | // or | |
57 | // refer to README to build package | |
58 | // or | |
59 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
85869391 | 60 | fSegments.empty(); |
61 | fConsumers.empty(); | |
62 | fActiveConsumers.empty(); | |
63 | fReleasedConsumers.empty(); | |
70ed7d01 | 64 | fgNofInstances++; |
3f2a1b1c | 65 | } |
66 | ||
70ed7d01 | 67 | int AliHLTDataBuffer::fgNofInstances=0; |
2be3f004 | 68 | AliHLTRawBufferPList AliHLTDataBuffer::fgFreeBuffers; |
69 | AliHLTRawBufferPList AliHLTDataBuffer::fgActiveBuffers; | |
70ed7d01 | 70 | AliHLTUInt32_t AliHLTDataBuffer::fgMargin=1024; |
b22e91eb | 71 | AliHLTLogging AliHLTDataBuffer::fgLogging; |
8451168b | 72 | const Int_t AliHLTDataBuffer::fgkSafetyPatternSize=16; |
73 | const char AliHLTDataBuffer::fgkSafetyPattern[]={0x28, 0x63, 0x29, 0x4d, 0x52, 0x49, 0x43, 0x48, 0x54, 0x45, 0x52, 0x20, 0x32, 0x30, 0x30, 0x37}; | |
b22e91eb | 74 | |
3f2a1b1c | 75 | AliHLTDataBuffer::~AliHLTDataBuffer() |
76 | { | |
70ed7d01 | 77 | // see header file for function documentation |
78 | if (--fgNofInstances<=0) { | |
3f2a1b1c | 79 | DeleteRawBuffers(); |
80 | } | |
81 | CleanupConsumerList(); | |
82 | } | |
83 | ||
0c0c9d99 | 84 | int AliHLTDataBuffer::SetConsumer(AliHLTComponent* pConsumer) |
3f2a1b1c | 85 | { |
70ed7d01 | 86 | // see header file for function documentation |
3f2a1b1c | 87 | int iResult=0; |
88 | if (pConsumer) { | |
9ce4bf4a | 89 | if (FindConsumer(pConsumer)) { |
90 | HLTWarning("consumer %s (%p) already set to data buffer %p", pConsumer->GetComponentID(), pConsumer, this); | |
91 | } | |
0c0c9d99 | 92 | AliHLTConsumerDescriptor* pDesc=new AliHLTConsumerDescriptor(pConsumer); |
3f2a1b1c | 93 | if (pDesc) { |
94 | fConsumers.push_back(pDesc); | |
9ce4bf4a | 95 | HLTDebug("set consumer %s (%p) to data buffer %p", pConsumer->GetComponentID(), pConsumer, this); |
3f2a1b1c | 96 | } else { |
97 | HLTError("memory allocation failed"); | |
98 | iResult=-ENOMEM; | |
99 | } | |
100 | } else { | |
9ce4bf4a | 101 | HLTError("invalid parameter: consumer component (nil)"); |
3f2a1b1c | 102 | iResult=-EINVAL; |
103 | } | |
104 | return iResult; | |
105 | } | |
106 | ||
2be3f004 | 107 | int AliHLTDataBuffer::FindMatchingDataBlocks(const AliHLTComponent* pConsumer, AliHLTComponentDataTypeList* tgtList) |
0c0c9d99 | 108 | { |
70ed7d01 | 109 | // see header file for function documentation |
0c0c9d99 | 110 | int iResult=0; |
111 | if (pConsumer) { | |
2be3f004 | 112 | AliHLTDataSegmentList segments; |
0c0c9d99 | 113 | if ((iResult=FindMatchingDataSegments(pConsumer, segments))>=0) { |
114 | if (tgtList) { | |
2be3f004 | 115 | AliHLTDataSegmentList::iterator segment=segments.begin(); |
0c0c9d99 | 116 | while (segment!=segments.end()) { |
117 | tgtList->push_back((*segment).fDataType); | |
118 | segment++; | |
119 | } | |
120 | } | |
121 | iResult=segments.size(); | |
122 | } | |
123 | } else { | |
124 | iResult=-EINVAL; | |
125 | } | |
126 | return iResult; | |
127 | } | |
128 | ||
6235cd38 | 129 | int AliHLTDataBuffer::FindMatchingDataSegments(const AliHLTComponent* pConsumer, vector<AliHLTDataBuffer::AliHLTDataSegment>& tgtList) |
0c0c9d99 | 130 | { |
70ed7d01 | 131 | // see header file for function documentation |
0c0c9d99 | 132 | int iResult=0; |
9b7fe12d | 133 | |
134 | // Matthias 26.09.2007 relax the restriction to matching data blocks | |
135 | // all blocks are passed to the consumer, which is the policy also in | |
136 | // PubSub | |
137 | tgtList.assign(fSegments.begin(), fSegments.end()); | |
b46ca65e | 138 | |
139 | // add all forwarded blocks | |
140 | tgtList.insert(tgtList.begin(), fForwardedSegments.begin(), fForwardedSegments.end()); | |
9b7fe12d | 141 | iResult=tgtList.size(); |
142 | return iResult; | |
143 | ||
0c0c9d99 | 144 | if (pConsumer) { |
2be3f004 | 145 | AliHLTComponentDataTypeList dtlist; |
0c0c9d99 | 146 | ((AliHLTComponent*)pConsumer)->GetInputDataTypes(dtlist); |
2be3f004 | 147 | AliHLTDataSegmentList::iterator segment=fSegments.begin(); |
0c0c9d99 | 148 | while (segment!=fSegments.end()) { |
2be3f004 | 149 | AliHLTComponentDataTypeList::iterator type=dtlist.begin(); |
0c0c9d99 | 150 | while (type!=dtlist.end()) { |
d8f5c9fe | 151 | if ((*segment).fDataType==(*type)) { |
0c0c9d99 | 152 | tgtList.push_back(*segment); |
153 | iResult++; | |
154 | break; | |
155 | } | |
156 | type++; | |
157 | } | |
158 | segment++; | |
159 | } | |
160 | } else { | |
161 | iResult=-EINVAL; | |
162 | } | |
163 | return iResult; | |
164 | } | |
165 | ||
457ec821 | 166 | int AliHLTDataBuffer::Subscribe(const AliHLTComponent* pConsumer, AliHLTComponentBlockDataList& blockDescList) |
3f2a1b1c | 167 | { |
70ed7d01 | 168 | // see header file for function documentation |
3f2a1b1c | 169 | int iResult=0; |
457ec821 | 170 | if (pConsumer) { |
b46ca65e | 171 | if (1/*fpBuffer*/) { |
0c0c9d99 | 172 | AliHLTConsumerDescriptor* pDesc=FindConsumer(pConsumer, fConsumers); |
3f2a1b1c | 173 | if (pDesc) { |
2be3f004 | 174 | AliHLTDataSegmentList tgtList; |
9b7fe12d | 175 | // Matthias 26.07.2007 AliHLTSystem should behave the same way as PubSub |
176 | // so it does not matter if there are matching data types or not, unless | |
177 | // we implement such a check in PubSub | |
178 | if ((iResult=FindMatchingDataSegments(pConsumer, tgtList))>=0) { | |
2be3f004 | 179 | AliHLTDataSegmentList::iterator segment=tgtList.begin(); |
457ec821 | 180 | while (segment!=tgtList.end()) { |
3f2a1b1c | 181 | // fill the block data descriptor |
457ec821 | 182 | AliHLTComponentBlockData bd; |
183 | AliHLTComponent::FillBlockData(bd); | |
3294f81a | 184 | // This models the behavior of PubSub. |
185 | // For incoming data blocks, fOffset must be ignored by the | |
186 | // processing component. It is set for bookkeeping in the framework. | |
187 | // fPtr always points to the beginning of the data. | |
457ec821 | 188 | bd.fOffset=0; |
b46ca65e | 189 | AliHLTUInt8_t* pTgt=*segment; |
457ec821 | 190 | bd.fPtr=reinterpret_cast<void*>(pTgt); |
191 | bd.fSize=(*segment).fSegmentSize; | |
192 | bd.fDataType=(*segment).fDataType; | |
193 | bd.fSpecification=(*segment).fSpecification; | |
194 | blockDescList.push_back(bd); | |
b46ca65e | 195 | pDesc->SetActiveDataSegment(*segment); |
457ec821 | 196 | HLTDebug("component %p (%s) subscribed to segment offset %d size %d data type %s %#x", |
197 | pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID(), bd.fOffset, | |
198 | bd.fSize, (AliHLTComponent::DataType2Text(bd.fDataType)).c_str(), | |
199 | bd.fSpecification); | |
0c0c9d99 | 200 | segment++; |
201 | } | |
202 | // move this consumer to the active list | |
457ec821 | 203 | if (tgtList.size()==0) { |
b46ca65e | 204 | ChangeConsumerState(pDesc, fConsumers, fReleasedConsumers); |
205 | HLTDebug("no input data for component %p (%s) available", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID()); | |
206 | } else if (ChangeConsumerState(pDesc, fConsumers, fActiveConsumers)>=0) { | |
0c0c9d99 | 207 | HLTDebug("component %p (%s) subscribed to data buffer %p", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID(), this); |
3f2a1b1c | 208 | } else { |
0c0c9d99 | 209 | // TODO: cleanup the consumer descriptor correctly |
457ec821 | 210 | segment=tgtList.begin(); |
211 | while (segment!=tgtList.end()) { | |
212 | blockDescList.pop_back(); | |
213 | segment++; | |
214 | } | |
3f2a1b1c | 215 | HLTError("can not activate consumer %p for data buffer %p", pConsumer, this); |
216 | iResult=-EACCES; | |
217 | } | |
218 | } else { | |
0c0c9d99 | 219 | HLTError("unresolved data segment(s) for component %p (%s)", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID()); |
3f2a1b1c | 220 | iResult=-EBADF; |
221 | } | |
222 | } else { | |
0c0c9d99 | 223 | HLTError("component %p is not a data consumer of data buffer %s", pConsumer, this); |
3f2a1b1c | 224 | iResult=-ENOENT; |
225 | } | |
226 | } else { | |
9b7fe12d | 227 | // Matthias 26.07.2007 until now, data had to be present for successful subscription |
228 | // in order to be consistent with the PubSub framework, this restiction has been | |
229 | // removed | |
230 | //HLTError("data buffer %p is empty", this); | |
231 | //iResult=-ENODATA; | |
3f2a1b1c | 232 | } |
233 | } else { | |
234 | HLTError("invalid parameter"); | |
235 | iResult=-EINVAL; | |
236 | } | |
237 | return iResult; | |
238 | } | |
239 | ||
b46ca65e | 240 | int AliHLTDataBuffer::Release(AliHLTComponentBlockData* pBlockDesc, |
241 | const AliHLTComponent* pConsumer, | |
242 | const AliHLTTask* pOwnerTask) | |
3f2a1b1c | 243 | { |
70ed7d01 | 244 | // see header file for function documentation |
3f2a1b1c | 245 | int iResult=0; |
246 | if (pBlockDesc && pConsumer) { | |
0c0c9d99 | 247 | AliHLTConsumerDescriptor* pDesc=FindConsumer(pConsumer, fActiveConsumers); |
248 | if (pDesc) { | |
b46ca65e | 249 | if ((iResult=pDesc->CheckActiveDataSegment(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize)))!=1) { |
c5123824 | 250 | HLTWarning("data segment mismatch, component %p has not subscribed to a segment with offset %#x and size %d", pConsumer, pBlockDesc->fOffset, pBlockDesc->fSize); |
0c0c9d99 | 251 | // TODO: appropriate error handling, but so far optional |
252 | iResult=0; | |
253 | } else { | |
b46ca65e | 254 | pDesc->ReleaseActiveDataSegment(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize)); |
255 | } | |
256 | if (GetNofPendingConsumers()==0 && fForwardedSegments.size()>0) { | |
257 | // last consumer, release forwarded segments | |
258 | assert(fForwardedSegments.size()==fForwardedSegmentSources.size()); | |
259 | AliHLTDataSegmentList::iterator segment=fForwardedSegments.begin(); | |
260 | AliHLTTaskPList::iterator src=fForwardedSegmentSources.begin(); | |
261 | //HLTDebug("%p checking forwarded segments", this); | |
262 | for (; segment!=fForwardedSegments.end(); segment++, src++) { | |
263 | //HLTDebug("segment ptr=%p offset=%d size=%d\n" | |
264 | // "block ptr=%p offset=%d size=%d", (*segment).fPtr, (*segment).fSegmentOffset, (*segment).fSegmentSize, pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize); | |
265 | if ((*segment)==AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize)) { | |
266 | //HLTDebug("release segment of task %p", *src); | |
267 | assert((*src)!=NULL); | |
268 | if ((*src)!=NULL) { | |
269 | if ((*src)->Release(pBlockDesc, pOwnerTask)>=0) { | |
270 | HLTDebug("task %s (%p) released forwarded segment %p size %d of task %s (%p)", | |
271 | pOwnerTask->GetName(), pOwnerTask, (*segment).GetPtr(), (*segment).GetSize(), | |
272 | (*src)->GetName(), *src); | |
273 | } else { | |
274 | HLTError("task %s (%p) failed releasing forwarded segment %p size %d of task %s (%p)", | |
275 | pOwnerTask->GetName(), pOwnerTask, (*segment).GetPtr(), (*segment).GetSize(), | |
276 | (*src)->GetName(), *src); | |
277 | } | |
278 | } | |
279 | fForwardedSegments.erase(segment); | |
280 | fForwardedSegmentSources.erase(src); | |
281 | break; | |
282 | } | |
283 | } | |
0c0c9d99 | 284 | } |
b46ca65e | 285 | pBlockDesc->fOffset=0; |
286 | pBlockDesc->fPtr=NULL; | |
287 | pBlockDesc->fSize=0; | |
0c0c9d99 | 288 | if (pDesc->GetNofActiveSegments()==0) { |
3f2a1b1c | 289 | if ((iResult=ChangeConsumerState(pDesc, fActiveConsumers, fReleasedConsumers))>=0) { |
b426991e | 290 | if (GetNofActiveConsumers()==0 && GetNofPendingConsumers()==0) { |
0c0c9d99 | 291 | // this is the last consumer, reset the consumer list and release the raw buffer |
3f2a1b1c | 292 | ResetDataBuffer(); |
3f2a1b1c | 293 | } |
294 | } else { | |
295 | HLTError("can not deactivate consumer %p for data buffer %p", pConsumer, this); | |
296 | iResult=-EACCES; | |
297 | } | |
3f2a1b1c | 298 | } |
0c0c9d99 | 299 | } else { |
300 | HLTWarning("component %p has currently not subscribed to the data buffer %p", pConsumer, this); | |
301 | iResult=-ENOENT; | |
302 | } | |
3f2a1b1c | 303 | } else { |
304 | HLTError("inavalid parameter: pBlockDesc=%p pConsumer=%p", pBlockDesc, pConsumer); | |
305 | iResult=-EINVAL; | |
306 | } | |
307 | return iResult; | |
308 | } | |
309 | ||
b46ca65e | 310 | int AliHLTDataBuffer::Forward(AliHLTTask* pSrcTask, AliHLTComponentBlockData* pBlockDesc) |
311 | { | |
312 | // see header file for function documentation | |
313 | if (pSrcTask==NULL || pBlockDesc==NULL) return -EINVAL; | |
314 | assert(fForwardedSegments.size()==fForwardedSegmentSources.size()); | |
315 | if (fForwardedSegments.size()!=fForwardedSegmentSources.size()) return -EFAULT; | |
316 | fForwardedSegmentSources.push_back(pSrcTask); | |
457ec821 | 317 | fForwardedSegments.push_back(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize, pBlockDesc->fDataType, pBlockDesc->fSpecification)); |
b46ca65e | 318 | return 0; |
319 | } | |
320 | ||
3f2a1b1c | 321 | AliHLTUInt8_t* AliHLTDataBuffer::GetTargetBuffer(int iMinSize) |
322 | { | |
70ed7d01 | 323 | // see header file for function documentation |
3f2a1b1c | 324 | AliHLTUInt8_t* pTargetBuffer=NULL; |
b6800be0 | 325 | if (fpBuffer!=NULL) { |
326 | HLTWarning("data buffer not properly reset, possible memory leak\n"); | |
327 | } | |
3f2a1b1c | 328 | fpBuffer=CreateRawBuffer(iMinSize); |
9ce4bf4a | 329 | if (fpBuffer) { |
1e6e67ec | 330 | pTargetBuffer=*fpBuffer; |
9ce4bf4a | 331 | } else { |
332 | HLTError("can not create raw buffer"); | |
333 | } | |
3f2a1b1c | 334 | return pTargetBuffer; |
335 | } | |
336 | ||
8ede8717 | 337 | int AliHLTDataBuffer::SetSegments(AliHLTUInt8_t* pTgt, AliHLTComponentBlockData* arrayBlockData, int iSize) |
3f2a1b1c | 338 | { |
70ed7d01 | 339 | // see header file for function documentation |
3f2a1b1c | 340 | int iResult=0; |
341 | if (pTgt && arrayBlockData && iSize>=0) { | |
0c0c9d99 | 342 | if (fpBuffer) { |
1e6e67ec | 343 | if (*fpBuffer==pTgt) { |
6235cd38 | 344 | AliHLTDataBuffer::AliHLTDataSegment segment; |
0c0c9d99 | 345 | for (int i=0; i<iSize; i++) { |
3294f81a | 346 | // This function has to model the behavior of PubSub |
347 | // For output blocks only the fOffset value is used, this must be the offset | |
348 | // relative to the output pointer. fPtr must be either NULL or the output | |
b46ca65e | 349 | // pointer. In either case it is 'ignored' and set to the beginning of the |
350 | // data buffer | |
6434d28a | 351 | if (arrayBlockData[i].fPtr==NULL || |
3294f81a | 352 | arrayBlockData[i].fPtr==*fpBuffer) { |
b46ca65e | 353 | arrayBlockData[i].fPtr=*fpBuffer; |
c0a2bfc2 | 354 | if (arrayBlockData[i].fOffset+arrayBlockData[i].fSize<=fpBuffer->GetUsedSize()) { |
3294f81a | 355 | segment.fSegmentOffset=arrayBlockData[i].fOffset; |
b46ca65e | 356 | segment.fPtr=(AliHLTUInt8_t*)arrayBlockData[i].fPtr; |
1e6e67ec | 357 | segment.fSegmentSize=arrayBlockData[i].fSize; |
358 | segment.fDataType=arrayBlockData[i].fDataType; | |
359 | segment.fSpecification=arrayBlockData[i].fSpecification; | |
360 | fSegments.push_back(segment); | |
361 | HLTDebug("set segment %s with size %d at offset %d", AliHLTComponent::DataType2Text(segment.fDataType).data(), segment.fSegmentSize, segment.fSegmentOffset); | |
362 | } else { | |
363 | HLTError("block data specification %#d (%s) exceeds size of data buffer", i, AliHLTComponent::DataType2Text(arrayBlockData[i].fDataType).data()); | |
c0a2bfc2 | 364 | HLTError("block offset=%d, block size=%d, buffer size=%d", arrayBlockData[i].fOffset, arrayBlockData[i].fSize, fpBuffer->GetUsedSize()); |
1e6e67ec | 365 | iResult=-E2BIG; |
366 | } | |
0c0c9d99 | 367 | } else { |
3294f81a | 368 | HLTError("invalid pointer (%p) in block data specification (buffer %p size %d)." |
369 | "please note: for output blocks only the fOffset value is valid and must " | |
c0a2bfc2 | 370 | "be relative to the output buffer", arrayBlockData[i].fPtr, fpBuffer->GetPointer(), fpBuffer->GetUsedSize()); |
1e6e67ec | 371 | iResult=-ERANGE; |
0c0c9d99 | 372 | } |
373 | } | |
3f2a1b1c | 374 | } else { |
c0a2bfc2 | 375 | HLTError("this data buffer (%p) does not match the internal data buffer %p of raw buffer %p", pTgt, fpBuffer->GetPointer(), fpBuffer); |
8451168b | 376 | iResult=-EINVAL; |
3f2a1b1c | 377 | } |
0c0c9d99 | 378 | } else { |
c5123824 | 379 | HLTFatal("internal data structur mismatch"); |
0c0c9d99 | 380 | iResult=-EFAULT; |
3f2a1b1c | 381 | } |
382 | } else { | |
0c0c9d99 | 383 | HLTError("invalid parameter: pTgtBuffer=%p arrayBlockData=%p", pTgt, arrayBlockData); |
3f2a1b1c | 384 | iResult=-EINVAL; |
385 | } | |
386 | return iResult; | |
387 | } | |
388 | ||
389 | int AliHLTDataBuffer::IsEmpty() | |
390 | { | |
70ed7d01 | 391 | // see header file for function documentation |
3f2a1b1c | 392 | int iResult=fpBuffer==NULL || GetNofSegments()==0; |
393 | return iResult; | |
394 | } | |
395 | ||
396 | int AliHLTDataBuffer::GetNofSegments() | |
397 | { | |
70ed7d01 | 398 | // see header file for function documentation |
3f2a1b1c | 399 | int iResult=fSegments.size(); |
400 | return iResult; | |
401 | } | |
402 | ||
403 | int AliHLTDataBuffer::GetNofConsumers() | |
404 | { | |
70ed7d01 | 405 | // see header file for function documentation |
3f2a1b1c | 406 | int iResult=fConsumers.size() + GetNofActiveConsumers() + fReleasedConsumers.size(); |
407 | return iResult; | |
408 | } | |
409 | ||
b426991e | 410 | int AliHLTDataBuffer::GetNofPendingConsumers() |
411 | { | |
412 | // see header file for function documentation | |
413 | int iResult=fConsumers.size(); | |
414 | return iResult; | |
415 | } | |
416 | ||
3f2a1b1c | 417 | int AliHLTDataBuffer::GetNofActiveConsumers() |
418 | { | |
70ed7d01 | 419 | // see header file for function documentation |
3f2a1b1c | 420 | int iResult=fActiveConsumers.size(); |
421 | return iResult; | |
422 | } | |
423 | ||
6235cd38 | 424 | AliHLTDataBuffer::AliHLTRawBuffer* AliHLTDataBuffer::CreateRawBuffer(AliHLTUInt32_t size) |
3f2a1b1c | 425 | { |
70ed7d01 | 426 | // see header file for function documentation |
3f2a1b1c | 427 | AliHLTRawBuffer* pRawBuffer=NULL; |
7a5ccd96 | 428 | unsigned int reqSize=size+fgkSafetyPatternSize; |
2be3f004 | 429 | AliHLTRawBufferPList::iterator buffer=fgFreeBuffers.begin(); |
70ed7d01 | 430 | while (buffer!=fgFreeBuffers.end() && pRawBuffer==NULL) { |
d6cbe999 | 431 | if ((*buffer)->CheckSize(reqSize)) { |
3f2a1b1c | 432 | // assign this element |
433 | pRawBuffer=*buffer; | |
d6cbe999 | 434 | pRawBuffer->UseBuffer(size); |
70ed7d01 | 435 | fgFreeBuffers.erase(buffer); |
c0a2bfc2 | 436 | 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 | 437 | fgActiveBuffers.push_back(pRawBuffer); |
0c0c9d99 | 438 | break; |
3f2a1b1c | 439 | } |
0c0c9d99 | 440 | buffer++; |
3f2a1b1c | 441 | } |
442 | if (pRawBuffer==NULL) { | |
0c0c9d99 | 443 | // no buffer found, create a new one |
d6cbe999 | 444 | pRawBuffer=new AliHLTRawBuffer(reqSize); |
3f2a1b1c | 445 | if (pRawBuffer) { |
c0a2bfc2 | 446 | if (pRawBuffer->GetPointer()) { |
d6cbe999 | 447 | pRawBuffer->UseBuffer(size); |
70ed7d01 | 448 | fgActiveBuffers.push_back(pRawBuffer); |
c0a2bfc2 | 449 | fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "new raw buffer %p of size %d created (container %p)", pRawBuffer->GetPointer(), pRawBuffer->GetTotalSize(), pRawBuffer); |
3f2a1b1c | 450 | } else { |
451 | delete pRawBuffer; | |
452 | pRawBuffer=NULL; | |
0c0c9d99 | 453 | fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "memory allocation failed"); |
3f2a1b1c | 454 | } |
455 | } else { | |
0c0c9d99 | 456 | fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "memory allocation failed"); |
3f2a1b1c | 457 | } |
458 | } | |
73ede1d3 | 459 | if (pRawBuffer!=NULL && fgkSafetyPatternSize>0) { |
c0a2bfc2 | 460 | //fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "writing safety pattern to %p offset %d", (*buffer)->GetPointer(), (*buffer)->GetUsedSize()); |
49b01d04 | 461 | pRawBuffer->WritePattern(fgkSafetyPattern, fgkSafetyPatternSize); |
73ede1d3 | 462 | } |
3f2a1b1c | 463 | return pRawBuffer; |
464 | } | |
465 | ||
466 | int AliHLTDataBuffer::ReleaseRawBuffer(AliHLTRawBuffer* pBuffer) | |
467 | { | |
70ed7d01 | 468 | // see header file for function documentation |
3f2a1b1c | 469 | int iResult=0; |
470 | if (pBuffer) { | |
2be3f004 | 471 | AliHLTRawBufferPList::iterator buffer=fgActiveBuffers.begin(); |
70ed7d01 | 472 | while (buffer!=fgActiveBuffers.end() && (*buffer)!=pBuffer) { |
3f2a1b1c | 473 | buffer++; |
474 | } | |
70ed7d01 | 475 | if (buffer!=fgActiveBuffers.end()) { |
8451168b | 476 | if (fgkSafetyPatternSize>0) { |
c0a2bfc2 | 477 | //fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "comparing safety pattern at %p offset %d", (*buffer)->GetPointer(), reinterpret_cast<AliHLTUInt32_t>(*buffer)); |
d6cbe999 | 478 | if ((*buffer)->CheckPattern(fgkSafetyPattern, fgkSafetyPatternSize)) { |
c0a2bfc2 | 479 | fgLogging.Logging(kHLTLogFatal, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "component has written beyond end of data buffer %p size %d", (*buffer)->GetPointer(), (*buffer)->GetUsedSize()); |
8451168b | 480 | } |
481 | } | |
d6cbe999 | 482 | (*buffer)->Reset(); |
70ed7d01 | 483 | fgFreeBuffers.push_back(*buffer); |
484 | fgActiveBuffers.erase(buffer); | |
3f2a1b1c | 485 | } else { |
0c0c9d99 | 486 | fgLogging.Logging(kHLTLogWarning, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "can not find raw buffer container %p in the list of active containers", pBuffer); |
3f2a1b1c | 487 | iResult=-ENOENT; |
488 | } | |
489 | } else { | |
0c0c9d99 | 490 | fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "invalid parameter"); |
3f2a1b1c | 491 | iResult=-EINVAL; |
492 | } | |
493 | return iResult; | |
494 | } | |
495 | ||
496 | ||
497 | int AliHLTDataBuffer::DeleteRawBuffers() | |
498 | { | |
70ed7d01 | 499 | // see header file for function documentation |
3f2a1b1c | 500 | int iResult=0; |
dba03d72 | 501 | // int iTotalSize=0; |
502 | // int iCount=fgFreeBuffers.size()+fgActiveBuffers.size(); | |
503 | AliHLTRawBufferPList::iterator buffer;; | |
504 | while ((buffer=fgFreeBuffers.begin())!=fgFreeBuffers.end()) { | |
505 | // iTotalSize+=(*buffer)->GetTotalSize(); | |
3f2a1b1c | 506 | delete *buffer; |
70ed7d01 | 507 | fgFreeBuffers.erase(buffer); |
3f2a1b1c | 508 | } |
dba03d72 | 509 | while ((buffer=fgActiveBuffers.begin())!=fgActiveBuffers.end()) { |
510 | // iTotalSize+=(*buffer)->GetTotalSize(); | |
c0a2bfc2 | 511 | 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 | 512 | delete *buffer; |
70ed7d01 | 513 | fgActiveBuffers.erase(buffer); |
3f2a1b1c | 514 | } |
dba03d72 | 515 | // fgLogging.Logging(kHLTLogInfo, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "Total memory allocation: %d byte in %d buffers", iTotalSize, iCount); |
3f2a1b1c | 516 | return iResult; |
517 | } | |
518 | ||
2be3f004 | 519 | AliHLTConsumerDescriptor* AliHLTDataBuffer::FindConsumer(const AliHLTComponent* pConsumer, AliHLTConsumerDescriptorPList &list) const |
3f2a1b1c | 520 | { |
70ed7d01 | 521 | // see header file for function documentation |
3f2a1b1c | 522 | AliHLTConsumerDescriptor* pDesc=NULL; |
2be3f004 | 523 | AliHLTConsumerDescriptorPList::iterator desc=list.begin(); |
3f2a1b1c | 524 | while (desc!=list.end() && pDesc==NULL) { |
0c0c9d99 | 525 | if ((pConsumer==NULL || (*desc)->GetComponent()==pConsumer)) { |
3f2a1b1c | 526 | pDesc=*desc; |
527 | } | |
0c0c9d99 | 528 | desc++; |
3f2a1b1c | 529 | } |
530 | return pDesc; | |
531 | } | |
532 | ||
0c0c9d99 | 533 | int AliHLTDataBuffer::ResetDataBuffer() |
534 | { | |
70ed7d01 | 535 | // see header file for function documentation |
3f2a1b1c | 536 | int iResult=0; |
0c0c9d99 | 537 | AliHLTRawBuffer* pBuffer=fpBuffer; |
3f2a1b1c | 538 | fpBuffer=NULL; |
9ce4bf4a | 539 | |
b46ca65e | 540 | // cleanup forwarded segment lists |
541 | assert(fForwardedSegments.size()==0); | |
542 | fForwardedSegments.clear(); | |
543 | fForwardedSegmentSources.clear(); | |
544 | ||
9ce4bf4a | 545 | // cleanup consumer states |
2be3f004 | 546 | AliHLTConsumerDescriptorPList::iterator desc; |
b426991e | 547 | // if (GetNofPendingConsumers()>0) { |
548 | // desc=fConsumers.begin(); | |
549 | // while (desc!=fConsumers.end()) { | |
550 | // AliHLTComponent* pComp=(*desc)->GetComponent(); | |
551 | // HLTError("internal error: consumer %p (%s %p) did not get data from data buffer %p", *desc, pComp?pComp->GetComponentID():"", pComp, this); | |
552 | // desc++; | |
553 | // } | |
554 | // } | |
555 | desc=fReleasedConsumers.begin(); | |
3f2a1b1c | 556 | while (desc!=fReleasedConsumers.end()) { |
557 | AliHLTConsumerDescriptor* pDesc=*desc; | |
558 | fReleasedConsumers.erase(desc); | |
559 | desc=fReleasedConsumers.begin(); | |
560 | fConsumers.push_back(pDesc); | |
561 | } | |
562 | desc=fActiveConsumers.begin(); | |
563 | while (desc!=fActiveConsumers.end()) { | |
564 | AliHLTConsumerDescriptor* pDesc=*desc; | |
565 | HLTWarning("consumer %p was not released", pDesc); | |
566 | fActiveConsumers.erase(desc); | |
567 | desc=fActiveConsumers.begin(); | |
568 | fConsumers.push_back(pDesc); | |
569 | } | |
9ce4bf4a | 570 | |
571 | // cleanup segments | |
2be3f004 | 572 | AliHLTDataSegmentList::iterator segment=fSegments.begin(); |
9ce4bf4a | 573 | while (segment!=fSegments.end()) { |
574 | fSegments.erase(segment); | |
575 | segment=fSegments.begin(); | |
576 | } | |
577 | ||
578 | // cleanup raw buffer | |
579 | if (pBuffer) { | |
580 | ReleaseRawBuffer(pBuffer); | |
581 | } | |
3f2a1b1c | 582 | return iResult; |
583 | } | |
584 | ||
9ce4bf4a | 585 | int AliHLTDataBuffer::Reset() |
586 | { | |
70ed7d01 | 587 | // see header file for function documentation |
9ce4bf4a | 588 | return ResetDataBuffer(); |
589 | } | |
590 | ||
0c0c9d99 | 591 | // this is the version which works on lists of components instead of consumer descriptors |
2be3f004 | 592 | // int AliHLTDataBuffer::ChangeConsumerState(AliHLTComponent* pConsumer, AliHLTComponentPList &srcList, AliHLTComponentPList &tgtList) |
0c0c9d99 | 593 | // { |
594 | // int iResult=0; | |
595 | // if (pDesc) { | |
2be3f004 | 596 | // AliHLTComponentPList::iterator desc=srcList.begin(); |
0c0c9d99 | 597 | // while (desc!=srcList.end()) { |
598 | // if ((*desc)==pConsumer) { | |
599 | // srcList.erase(desc); | |
600 | // tgtList.push_back(pConsumer); | |
601 | // break; | |
602 | // } | |
603 | // desc++; | |
604 | // } | |
605 | // if (desc==srcList.end()) { | |
606 | // HLTError("can not find consumer component %p in list", pConsumer); | |
607 | // iResult=-ENOENT; | |
608 | // } | |
609 | // } else { | |
610 | // HLTError("invalid parameter"); | |
611 | // iResult=-EINVAL; | |
612 | // } | |
613 | // return iResult; | |
614 | // } | |
615 | ||
2be3f004 | 616 | int AliHLTDataBuffer::ChangeConsumerState(AliHLTConsumerDescriptor* pDesc, AliHLTConsumerDescriptorPList &srcList, AliHLTConsumerDescriptorPList &tgtList) |
3f2a1b1c | 617 | { |
70ed7d01 | 618 | // see header file for function documentation |
9ce4bf4a | 619 | int iResult=-ENOENT; |
3f2a1b1c | 620 | if (pDesc) { |
2be3f004 | 621 | AliHLTConsumerDescriptorPList::iterator desc=srcList.begin(); |
3f2a1b1c | 622 | while (desc!=srcList.end()) { |
623 | if ((*desc)==pDesc) { | |
624 | srcList.erase(desc); | |
625 | tgtList.push_back(pDesc); | |
9ce4bf4a | 626 | iResult=0; |
3f2a1b1c | 627 | break; |
628 | } | |
0c0c9d99 | 629 | desc++; |
3f2a1b1c | 630 | } |
9ce4bf4a | 631 | if (iResult<0) { |
3f2a1b1c | 632 | HLTError("can not find consumer descriptor %p in list", pDesc); |
3f2a1b1c | 633 | } |
634 | } else { | |
635 | HLTError("invalid parameter"); | |
636 | iResult=-EINVAL; | |
637 | } | |
638 | return iResult; | |
639 | } | |
640 | ||
70ed7d01 | 641 | int AliHLTDataBuffer::CleanupConsumerList() |
642 | { | |
643 | // see header file for function documentation | |
3f2a1b1c | 644 | int iResult=0; |
645 | ResetDataBuffer(); | |
2be3f004 | 646 | AliHLTConsumerDescriptorPList::iterator desc=fConsumers.begin(); |
3f2a1b1c | 647 | while (desc!=fConsumers.end()) { |
648 | delete *desc; | |
649 | fConsumers.erase(desc); | |
650 | desc=fConsumers.begin(); | |
651 | } | |
652 | return iResult; | |
653 | } | |
9ce4bf4a | 654 | |
70ed7d01 | 655 | int AliHLTDataBuffer::FindConsumer(AliHLTComponent* pConsumer, int bAllLists) |
656 | { | |
657 | // see header file for function documentation | |
2be3f004 | 658 | AliHLTConsumerDescriptorPList::iterator desc=fConsumers.begin(); |
9ce4bf4a | 659 | while (desc!=fConsumers.end()) { |
660 | if ((*desc)->GetComponent()==pConsumer) | |
661 | return 1; | |
662 | desc++; | |
663 | } | |
664 | if (bAllLists==0) return 0; | |
665 | ||
666 | desc=fActiveConsumers.begin(); | |
667 | while (desc!=fActiveConsumers.end()) { | |
668 | if ((*desc)->GetComponent()==pConsumer) | |
669 | return 1; | |
670 | desc++; | |
671 | } | |
672 | desc=fReleasedConsumers.begin(); | |
673 | while (desc!=fReleasedConsumers.end()) { | |
674 | if ((*desc)->GetComponent()==pConsumer) | |
675 | return 1; | |
676 | desc++; | |
677 | } | |
678 | return 0; | |
679 | } | |
1e6e67ec | 680 | |
d6cbe999 | 681 | AliHLTDataBuffer::AliHLTRawBuffer::AliHLTRawBuffer(AliHLTUInt32_t size) |
682 | : | |
c0a2bfc2 | 683 | fSize(0), |
d6cbe999 | 684 | fTotalSize(size), |
685 | fPtr(static_cast<AliHLTUInt8_t*>(malloc(size))) | |
686 | { | |
687 | // see header file for class documentation | |
688 | // or | |
689 | // refer to README to build package | |
690 | // or | |
691 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
692 | if (fPtr==NULL) { | |
693 | fSize=0; | |
694 | fTotalSize=0; | |
695 | } | |
696 | } | |
697 | ||
698 | AliHLTDataBuffer::AliHLTRawBuffer::~AliHLTRawBuffer() | |
699 | { | |
700 | if (fPtr) { | |
701 | free(fPtr); | |
702 | } | |
703 | fPtr=NULL; | |
704 | fSize=0; | |
705 | fTotalSize=0; | |
706 | } | |
707 | ||
3a7c0444 | 708 | int AliHLTDataBuffer::AliHLTRawBuffer::operator==(void* ptr) const |
1e6e67ec | 709 | { |
3a7c0444 | 710 | // see header file for function documentation |
1e6e67ec | 711 | return fPtr == static_cast<AliHLTUInt8_t*>(ptr); |
712 | } | |
713 | ||
3a7c0444 | 714 | int AliHLTDataBuffer::AliHLTRawBuffer::operator<=(void* ptr) const |
1e6e67ec | 715 | { |
3a7c0444 | 716 | // see header file for function documentation |
1e6e67ec | 717 | int iResult=fPtr <= static_cast<AliHLTUInt8_t*>(ptr); |
718 | //printf("%p: %p <= %p (%d)\n", this, fPtr, ptr, iResult); | |
719 | return iResult; | |
720 | } | |
721 | ||
3a7c0444 | 722 | int AliHLTDataBuffer::AliHLTRawBuffer::operator>(void* ptr) const |
1e6e67ec | 723 | { |
3a7c0444 | 724 | // see header file for function documentation |
1e6e67ec | 725 | int iResult=fPtr+fSize > static_cast<AliHLTUInt8_t*>(ptr); |
726 | //printf("%p: %p + %d > %p (%d)\n", this, fPtr, fSize, ptr, iResult); | |
727 | return iResult; | |
728 | } | |
729 | ||
3a7c0444 | 730 | int AliHLTDataBuffer::AliHLTRawBuffer::operator-(void* ptr) const |
1e6e67ec | 731 | { |
3a7c0444 | 732 | // see header file for function documentation |
1e6e67ec | 733 | return static_cast<int>(static_cast<AliHLTUInt8_t*>(ptr)-fPtr); |
734 | } | |
d6cbe999 | 735 | |
736 | AliHLTUInt8_t* AliHLTDataBuffer::AliHLTRawBuffer::UseBuffer(AliHLTUInt32_t size) | |
737 | { | |
738 | // see header file for function documentation | |
dba03d72 | 739 | if (size>0 && fTotalSize>=size) { |
d6cbe999 | 740 | fSize=size; |
741 | return fPtr; | |
742 | } | |
743 | return NULL; | |
744 | } | |
745 | ||
746 | int AliHLTDataBuffer::AliHLTRawBuffer::CheckSize(AliHLTUInt32_t size) const | |
747 | { | |
748 | // see header file for function documentation | |
749 | return fTotalSize>=size && ((fTotalSize-size)<fgMargin); | |
750 | } | |
751 | ||
752 | int AliHLTDataBuffer::AliHLTRawBuffer::Reset() | |
753 | { | |
754 | // see header file for function documentation | |
755 | fSize=0; | |
2be3f004 | 756 | return 0; |
d6cbe999 | 757 | } |
758 | ||
759 | int AliHLTDataBuffer::AliHLTRawBuffer::WritePattern(const char* pattern, int size) | |
760 | { | |
761 | // see header file for function documentation | |
762 | int iResult=0; | |
763 | if (pattern!=NULL && size>0) { | |
764 | if (fSize+size<=fTotalSize) { | |
765 | memcpy(((char*)fPtr)+fSize, pattern, size); | |
766 | iResult=size; | |
767 | } else { | |
768 | iResult=-ENOSPC; | |
769 | } | |
770 | } | |
771 | return iResult; | |
772 | } | |
773 | ||
774 | int AliHLTDataBuffer::AliHLTRawBuffer::CheckPattern(const char* pattern, int size) const | |
775 | { | |
776 | // see header file for function documentation | |
777 | int iResult=0; | |
778 | if (pattern!=NULL && size>0) { | |
779 | if (fSize+size<=fTotalSize) { | |
780 | iResult=memcmp(((char*)fPtr)+fSize, pattern, size)!=0; | |
781 | } else { | |
782 | iResult=-ENOSPC; | |
783 | } | |
784 | } | |
785 | return iResult; | |
786 | } |