3 /**************************************************************************
4 * This file is property of and copyright by the ALICE HLT Project *
5 * ALICE Experiment at CERN, All rights reserved. *
7 * Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> *
8 * for The ALICE HLT Project. *
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 **************************************************************************/
19 /** @file AliHLTDataBuffer.cxx
20 @author Matthias Richter
22 @brief Handling of Data Buffers for HLT components.
25 // see header file for class documentation
27 // refer to README to build package
29 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
35 #include "AliHLTDataBuffer.h"
36 #include "AliHLTConsumerDescriptor.h"
37 #include "AliHLTComponent.h"
38 #include "AliHLTTask.h"
42 //#include "AliHLTSystem.h"
44 typedef vector<AliHLTDataBuffer::AliHLTDataSegment> AliHLTDataSegmentList;
45 typedef vector<AliHLTDataBuffer::AliHLTRawBuffer*> AliHLTRawBufferPList;
47 /** ROOT macro for the implementation of ROOT specific class methods */
48 ClassImp(AliHLTDataBuffer)
50 AliHLTDataBuffer::AliHLTDataBuffer()
58 fForwardedSegmentSources(),
61 // see header file for class documentation
63 // refer to README to build package
65 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
68 fActiveConsumers.empty();
69 fReleasedConsumers.empty();
73 int AliHLTDataBuffer::fgNofInstances=0;
74 AliHLTRawBufferPList AliHLTDataBuffer::fgFreeBuffers;
75 AliHLTRawBufferPList AliHLTDataBuffer::fgActiveBuffers;
76 AliHLTUInt32_t AliHLTDataBuffer::fgMargin=1024;
77 AliHLTLogging AliHLTDataBuffer::fgLogging;
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};
81 AliHLTDataBuffer::~AliHLTDataBuffer()
83 // see header file for function documentation
84 if (--fgNofInstances<=0) {
87 CleanupConsumerList();
90 int AliHLTDataBuffer::SetConsumer(AliHLTComponent* pConsumer)
92 // see header file for function documentation
95 if (FindConsumer(pConsumer)) {
96 HLTWarning("consumer %s (%p) already set to data buffer %p", pConsumer->GetComponentID(), pConsumer, this);
98 AliHLTConsumerDescriptor* pDesc=new AliHLTConsumerDescriptor(pConsumer);
100 fConsumers.push_back(pDesc);
101 HLTDebug("set consumer %s (%p) to data buffer %p", pConsumer->GetComponentID(), pConsumer, this);
103 HLTError("memory allocation failed");
107 HLTError("invalid parameter: consumer component (nil)");
113 int AliHLTDataBuffer::FindMatchingDataBlocks(const AliHLTComponent* pConsumer, AliHLTComponentDataTypeList* tgtList)
115 // see header file for function documentation
118 AliHLTDataSegmentList segments;
119 if ((iResult=FindMatchingDataSegments(pConsumer, segments))>=0) {
121 AliHLTDataSegmentList::iterator segment=segments.begin();
122 while (segment!=segments.end()) {
123 tgtList->push_back((*segment).fDataType);
127 iResult=segments.size();
135 int AliHLTDataBuffer::FindMatchingDataSegments(const AliHLTComponent* pConsumer, vector<AliHLTDataBuffer::AliHLTDataSegment>& tgtList)
137 // see header file for function documentation
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
143 tgtList.assign(fSegments.begin(), fSegments.end());
145 // add all forwarded blocks
146 tgtList.insert(tgtList.begin(), fForwardedSegments.begin(), fForwardedSegments.end());
147 iResult=tgtList.size();
151 AliHLTComponentDataTypeList dtlist;
152 ((AliHLTComponent*)pConsumer)->GetInputDataTypes(dtlist);
153 AliHLTDataSegmentList::iterator segment=fSegments.begin();
154 while (segment!=fSegments.end()) {
155 AliHLTComponentDataTypeList::iterator type=dtlist.begin();
156 while (type!=dtlist.end()) {
157 if ((*segment).fDataType==(*type)) {
158 tgtList.push_back(*segment);
172 int AliHLTDataBuffer::Subscribe(const AliHLTComponent* pConsumer, AliHLTComponentBlockDataList& blockDescList)
174 // see header file for function documentation
178 AliHLTConsumerDescriptor* pDesc=FindConsumer(pConsumer, fConsumers);
180 AliHLTDataSegmentList tgtList;
181 // Matthias 26.07.2007 AliHLTSystem should behave the same way as PubSub
182 // so it does not matter if there are matching data types or not, unless
183 // we implement such a check in PubSub
184 if ((iResult=FindMatchingDataSegments(pConsumer, tgtList))>=0) {
185 AliHLTDataSegmentList::iterator segment=tgtList.begin();
186 while (segment!=tgtList.end()) {
187 // fill the block data descriptor
188 AliHLTComponentBlockData bd;
189 AliHLTComponent::FillBlockData(bd);
190 // This models the behavior of PubSub.
191 // For incoming data blocks, fOffset must be ignored by the
192 // processing component. It is set for bookkeeping in the framework.
193 // fPtr always points to the beginning of the data.
195 AliHLTUInt8_t* pTgt=*segment;
196 bd.fPtr=reinterpret_cast<void*>(pTgt);
197 bd.fSize=(*segment).fSegmentSize;
198 bd.fDataType=(*segment).fDataType;
199 bd.fSpecification=(*segment).fSpecification;
200 blockDescList.push_back(bd);
201 pDesc->SetActiveDataSegment(*segment);
202 HLTDebug("component %p (%s) subscribed to segment offset %d size %d data type %s %#x",
203 pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID(), bd.fOffset,
204 bd.fSize, (AliHLTComponent::DataType2Text(bd.fDataType)).c_str(),
208 // move this consumer to the active list
209 if (tgtList.size()==0) {
210 ChangeConsumerState(pDesc, fConsumers, fReleasedConsumers);
211 HLTDebug("no input data for component %p (%s) available", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID());
212 } else if (ChangeConsumerState(pDesc, fConsumers, fActiveConsumers)>=0) {
213 HLTDebug("component %p (%s) subscribed to data buffer %p", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID(), this);
215 // TODO: cleanup the consumer descriptor correctly
216 segment=tgtList.begin();
217 while (segment!=tgtList.end()) {
218 blockDescList.pop_back();
221 HLTError("can not activate consumer %p for data buffer %p", pConsumer, this);
225 HLTError("unresolved data segment(s) for component %p (%s)", pConsumer, ((AliHLTComponent*)pConsumer)->GetComponentID());
229 HLTError("component %p is not a data consumer of data buffer %s", pConsumer, this);
233 // Matthias 26.07.2007 until now, data had to be present for successful subscription
234 // in order to be consistent with the PubSub framework, this restiction has been
236 //HLTError("data buffer %p is empty", this);
240 HLTError("invalid parameter");
246 int AliHLTDataBuffer::Release(AliHLTComponentBlockData* pBlockDesc,
247 const AliHLTComponent* pConsumer,
248 const AliHLTTask* pOwnerTask)
250 // see header file for function documentation
252 if (pBlockDesc && pConsumer) {
253 AliHLTConsumerDescriptor* pDesc=FindConsumer(pConsumer, fActiveConsumers);
255 if ((iResult=pDesc->CheckActiveDataSegment(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize)))!=1) {
256 HLTWarning("data segment missmatch, component %p has not subscribed to a segment with offset %#x and size %d", pConsumer, pBlockDesc->fOffset, pBlockDesc->fSize);
257 // TODO: appropriate error handling, but so far optional
260 pDesc->ReleaseActiveDataSegment(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize));
262 if (GetNofPendingConsumers()==0 && fForwardedSegments.size()>0) {
263 // last consumer, release forwarded segments
264 assert(fForwardedSegments.size()==fForwardedSegmentSources.size());
265 AliHLTDataSegmentList::iterator segment=fForwardedSegments.begin();
266 AliHLTTaskPList::iterator src=fForwardedSegmentSources.begin();
267 //HLTDebug("%p checking forwarded segments", this);
268 for (; segment!=fForwardedSegments.end(); segment++, src++) {
269 //HLTDebug("segment ptr=%p offset=%d size=%d\n"
270 // "block ptr=%p offset=%d size=%d", (*segment).fPtr, (*segment).fSegmentOffset, (*segment).fSegmentSize, pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize);
271 if ((*segment)==AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize)) {
272 //HLTDebug("release segment of task %p", *src);
273 assert((*src)!=NULL);
275 if ((*src)->Release(pBlockDesc, pOwnerTask)>=0) {
276 HLTDebug("task %s (%p) released forwarded segment %p size %d of task %s (%p)",
277 pOwnerTask->GetName(), pOwnerTask, (*segment).GetPtr(), (*segment).GetSize(),
278 (*src)->GetName(), *src);
280 HLTError("task %s (%p) failed releasing forwarded segment %p size %d of task %s (%p)",
281 pOwnerTask->GetName(), pOwnerTask, (*segment).GetPtr(), (*segment).GetSize(),
282 (*src)->GetName(), *src);
285 fForwardedSegments.erase(segment);
286 fForwardedSegmentSources.erase(src);
291 pBlockDesc->fOffset=0;
292 pBlockDesc->fPtr=NULL;
294 if (pDesc->GetNofActiveSegments()==0) {
295 if ((iResult=ChangeConsumerState(pDesc, fActiveConsumers, fReleasedConsumers))>=0) {
296 if (GetNofActiveConsumers()==0 && GetNofPendingConsumers()==0) {
297 // this is the last consumer, reset the consumer list and release the raw buffer
301 HLTError("can not deactivate consumer %p for data buffer %p", pConsumer, this);
306 HLTWarning("component %p has currently not subscribed to the data buffer %p", pConsumer, this);
310 HLTError("inavalid parameter: pBlockDesc=%p pConsumer=%p", pBlockDesc, pConsumer);
316 int AliHLTDataBuffer::Forward(AliHLTTask* pSrcTask, AliHLTComponentBlockData* pBlockDesc)
318 // see header file for function documentation
319 if (pSrcTask==NULL || pBlockDesc==NULL) return -EINVAL;
320 assert(fForwardedSegments.size()==fForwardedSegmentSources.size());
321 if (fForwardedSegments.size()!=fForwardedSegmentSources.size()) return -EFAULT;
322 fForwardedSegmentSources.push_back(pSrcTask);
323 fForwardedSegments.push_back(AliHLTDataSegment(pBlockDesc->fPtr, pBlockDesc->fOffset, pBlockDesc->fSize, pBlockDesc->fDataType, pBlockDesc->fSpecification));
327 AliHLTUInt8_t* AliHLTDataBuffer::GetTargetBuffer(int iMinSize)
329 // see header file for function documentation
330 AliHLTUInt8_t* pTargetBuffer=NULL;
331 if (fpBuffer!=NULL) {
332 HLTWarning("data buffer not properly reset, possible memory leak\n");
334 fpBuffer=CreateRawBuffer(iMinSize);
336 pTargetBuffer=*fpBuffer;
338 HLTError("can not create raw buffer");
340 return pTargetBuffer;
343 int AliHLTDataBuffer::SetSegments(AliHLTUInt8_t* pTgt, AliHLTComponentBlockData* arrayBlockData, int iSize)
345 // see header file for function documentation
347 if (pTgt && arrayBlockData && iSize>=0) {
349 if (*fpBuffer==pTgt) {
350 AliHLTDataBuffer::AliHLTDataSegment segment;
351 for (int i=0; i<iSize; i++) {
352 // This function has to model the behavior of PubSub
353 // For output blocks only the fOffset value is used, this must be the offset
354 // relative to the output pointer. fPtr must be either NULL or the output
355 // pointer. In either case it is 'ignored' and set to the beginning of the
357 if (arrayBlockData[i].fPtr==NULL ||
358 arrayBlockData[i].fPtr==*fpBuffer) {
359 arrayBlockData[i].fPtr=*fpBuffer;
360 if (arrayBlockData[i].fOffset+arrayBlockData[i].fSize<=fpBuffer->GetUsedSize()) {
361 segment.fSegmentOffset=arrayBlockData[i].fOffset;
362 segment.fPtr=(AliHLTUInt8_t*)arrayBlockData[i].fPtr;
363 segment.fSegmentSize=arrayBlockData[i].fSize;
364 segment.fDataType=arrayBlockData[i].fDataType;
365 segment.fSpecification=arrayBlockData[i].fSpecification;
366 fSegments.push_back(segment);
367 HLTDebug("set segment %s with size %d at offset %d", AliHLTComponent::DataType2Text(segment.fDataType).data(), segment.fSegmentSize, segment.fSegmentOffset);
369 HLTError("block data specification %#d (%s) exceeds size of data buffer", i, AliHLTComponent::DataType2Text(arrayBlockData[i].fDataType).data());
370 HLTError("block offset=%d, block size=%d, buffer size=%d", arrayBlockData[i].fOffset, arrayBlockData[i].fSize, fpBuffer->GetUsedSize());
374 HLTError("invalid pointer (%p) in block data specification (buffer %p size %d)."
375 "please note: for output blocks only the fOffset value is valid and must "
376 "be relative to the output buffer", arrayBlockData[i].fPtr, fpBuffer->GetPointer(), fpBuffer->GetUsedSize());
381 HLTError("this data buffer (%p) does not match the internal data buffer %p of raw buffer %p", pTgt, fpBuffer->GetPointer(), fpBuffer);
385 HLTFatal("internal data structur missmatch");
389 HLTError("invalid parameter: pTgtBuffer=%p arrayBlockData=%p", pTgt, arrayBlockData);
395 int AliHLTDataBuffer::IsEmpty()
397 // see header file for function documentation
398 int iResult=fpBuffer==NULL || GetNofSegments()==0;
402 int AliHLTDataBuffer::GetNofSegments()
404 // see header file for function documentation
405 int iResult=fSegments.size();
409 int AliHLTDataBuffer::GetNofConsumers()
411 // see header file for function documentation
412 int iResult=fConsumers.size() + GetNofActiveConsumers() + fReleasedConsumers.size();
416 int AliHLTDataBuffer::GetNofPendingConsumers()
418 // see header file for function documentation
419 int iResult=fConsumers.size();
423 int AliHLTDataBuffer::GetNofActiveConsumers()
425 // see header file for function documentation
426 int iResult=fActiveConsumers.size();
430 AliHLTDataBuffer::AliHLTRawBuffer* AliHLTDataBuffer::CreateRawBuffer(AliHLTUInt32_t size)
432 // see header file for function documentation
433 AliHLTRawBuffer* pRawBuffer=NULL;
434 unsigned int reqSize=size+fgkSafetyPatternSize;
435 AliHLTRawBufferPList::iterator buffer=fgFreeBuffers.begin();
436 while (buffer!=fgFreeBuffers.end() && pRawBuffer==NULL) {
437 if ((*buffer)->CheckSize(reqSize)) {
438 // assign this element
440 pRawBuffer->UseBuffer(size);
441 fgFreeBuffers.erase(buffer);
442 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());
443 fgActiveBuffers.push_back(pRawBuffer);
448 if (pRawBuffer==NULL) {
449 // no buffer found, create a new one
450 pRawBuffer=new AliHLTRawBuffer(reqSize);
452 if (pRawBuffer->GetPointer()) {
453 pRawBuffer->UseBuffer(size);
454 fgActiveBuffers.push_back(pRawBuffer);
455 fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "new raw buffer %p of size %d created (container %p)", pRawBuffer->GetPointer(), pRawBuffer->GetTotalSize(), pRawBuffer);
459 fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "memory allocation failed");
462 fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "memory allocation failed");
465 if (pRawBuffer!=NULL && fgkSafetyPatternSize>0) {
466 //fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::CreateRawBuffer", "data buffer handling", "writing safety pattern to %p offset %d", (*buffer)->GetPointer(), (*buffer)->GetUsedSize());
467 pRawBuffer->WritePattern(fgkSafetyPattern, fgkSafetyPatternSize);
472 int AliHLTDataBuffer::ReleaseRawBuffer(AliHLTRawBuffer* pBuffer)
474 // see header file for function documentation
477 AliHLTRawBufferPList::iterator buffer=fgActiveBuffers.begin();
478 while (buffer!=fgActiveBuffers.end() && (*buffer)!=pBuffer) {
481 if (buffer!=fgActiveBuffers.end()) {
482 if (fgkSafetyPatternSize>0) {
483 //fgLogging.Logging(kHLTLogDebug, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "comparing safety pattern at %p offset %d", (*buffer)->GetPointer(), reinterpret_cast<AliHLTUInt32_t>(*buffer));
484 if ((*buffer)->CheckPattern(fgkSafetyPattern, fgkSafetyPatternSize)) {
485 fgLogging.Logging(kHLTLogFatal, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "component has written beyond end of data buffer %p size %d", (*buffer)->GetPointer(), (*buffer)->GetUsedSize());
489 fgFreeBuffers.push_back(*buffer);
490 fgActiveBuffers.erase(buffer);
492 fgLogging.Logging(kHLTLogWarning, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "can not find raw buffer container %p in the list of active containers", pBuffer);
496 fgLogging.Logging(kHLTLogError, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "invalid parameter");
503 int AliHLTDataBuffer::DeleteRawBuffers()
505 // see header file for function documentation
508 // int iCount=fgFreeBuffers.size()+fgActiveBuffers.size();
509 AliHLTRawBufferPList::iterator buffer;;
510 while ((buffer=fgFreeBuffers.begin())!=fgFreeBuffers.end()) {
511 // iTotalSize+=(*buffer)->GetTotalSize();
513 fgFreeBuffers.erase(buffer);
515 while ((buffer=fgActiveBuffers.begin())!=fgActiveBuffers.end()) {
516 // iTotalSize+=(*buffer)->GetTotalSize();
517 fgLogging.Logging(kHLTLogWarning, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "request to delete active raw buffer container (raw buffer %p, size %d)", (*buffer)->GetPointer(), (*buffer)->GetTotalSize());
519 fgActiveBuffers.erase(buffer);
521 // fgLogging.Logging(kHLTLogInfo, "AliHLTDataBuffer::ReleaseRawBuffer", "data buffer handling", "Total memory allocation: %d byte in %d buffers", iTotalSize, iCount);
525 AliHLTConsumerDescriptor* AliHLTDataBuffer::FindConsumer(const AliHLTComponent* pConsumer, AliHLTConsumerDescriptorPList &list) const
527 // see header file for function documentation
528 AliHLTConsumerDescriptor* pDesc=NULL;
529 AliHLTConsumerDescriptorPList::iterator desc=list.begin();
530 while (desc!=list.end() && pDesc==NULL) {
531 if ((pConsumer==NULL || (*desc)->GetComponent()==pConsumer)) {
539 int AliHLTDataBuffer::ResetDataBuffer()
541 // see header file for function documentation
543 AliHLTRawBuffer* pBuffer=fpBuffer;
546 // cleanup forwarded segment lists
547 assert(fForwardedSegments.size()==0);
548 fForwardedSegments.clear();
549 fForwardedSegmentSources.clear();
551 // cleanup consumer states
552 AliHLTConsumerDescriptorPList::iterator desc;
553 // if (GetNofPendingConsumers()>0) {
554 // desc=fConsumers.begin();
555 // while (desc!=fConsumers.end()) {
556 // AliHLTComponent* pComp=(*desc)->GetComponent();
557 // HLTError("internal error: consumer %p (%s %p) did not get data from data buffer %p", *desc, pComp?pComp->GetComponentID():"", pComp, this);
561 desc=fReleasedConsumers.begin();
562 while (desc!=fReleasedConsumers.end()) {
563 AliHLTConsumerDescriptor* pDesc=*desc;
564 fReleasedConsumers.erase(desc);
565 desc=fReleasedConsumers.begin();
566 fConsumers.push_back(pDesc);
568 desc=fActiveConsumers.begin();
569 while (desc!=fActiveConsumers.end()) {
570 AliHLTConsumerDescriptor* pDesc=*desc;
571 HLTWarning("consumer %p was not released", pDesc);
572 fActiveConsumers.erase(desc);
573 desc=fActiveConsumers.begin();
574 fConsumers.push_back(pDesc);
578 AliHLTDataSegmentList::iterator segment=fSegments.begin();
579 while (segment!=fSegments.end()) {
580 fSegments.erase(segment);
581 segment=fSegments.begin();
584 // cleanup raw buffer
586 ReleaseRawBuffer(pBuffer);
591 int AliHLTDataBuffer::Reset()
593 // see header file for function documentation
594 return ResetDataBuffer();
597 // this is the version which works on lists of components instead of consumer descriptors
598 // int AliHLTDataBuffer::ChangeConsumerState(AliHLTComponent* pConsumer, AliHLTComponentPList &srcList, AliHLTComponentPList &tgtList)
602 // AliHLTComponentPList::iterator desc=srcList.begin();
603 // while (desc!=srcList.end()) {
604 // if ((*desc)==pConsumer) {
605 // srcList.erase(desc);
606 // tgtList.push_back(pConsumer);
611 // if (desc==srcList.end()) {
612 // HLTError("can not find consumer component %p in list", pConsumer);
616 // HLTError("invalid parameter");
622 int AliHLTDataBuffer::ChangeConsumerState(AliHLTConsumerDescriptor* pDesc, AliHLTConsumerDescriptorPList &srcList, AliHLTConsumerDescriptorPList &tgtList)
624 // see header file for function documentation
627 AliHLTConsumerDescriptorPList::iterator desc=srcList.begin();
628 while (desc!=srcList.end()) {
629 if ((*desc)==pDesc) {
631 tgtList.push_back(pDesc);
638 HLTError("can not find consumer descriptor %p in list", pDesc);
641 HLTError("invalid parameter");
647 int AliHLTDataBuffer::CleanupConsumerList()
649 // see header file for function documentation
652 AliHLTConsumerDescriptorPList::iterator desc=fConsumers.begin();
653 while (desc!=fConsumers.end()) {
655 fConsumers.erase(desc);
656 desc=fConsumers.begin();
661 int AliHLTDataBuffer::FindConsumer(AliHLTComponent* pConsumer, int bAllLists)
663 // see header file for function documentation
664 AliHLTConsumerDescriptorPList::iterator desc=fConsumers.begin();
665 while (desc!=fConsumers.end()) {
666 if ((*desc)->GetComponent()==pConsumer)
670 if (bAllLists==0) return 0;
672 desc=fActiveConsumers.begin();
673 while (desc!=fActiveConsumers.end()) {
674 if ((*desc)->GetComponent()==pConsumer)
678 desc=fReleasedConsumers.begin();
679 while (desc!=fReleasedConsumers.end()) {
680 if ((*desc)->GetComponent()==pConsumer)
687 AliHLTDataBuffer::AliHLTRawBuffer::AliHLTRawBuffer(AliHLTUInt32_t size)
691 fPtr(static_cast<AliHLTUInt8_t*>(malloc(size)))
693 // see header file for class documentation
695 // refer to README to build package
697 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
704 AliHLTDataBuffer::AliHLTRawBuffer::~AliHLTRawBuffer()
714 int AliHLTDataBuffer::AliHLTRawBuffer::operator==(void* ptr) const
716 // see header file for function documentation
717 return fPtr == static_cast<AliHLTUInt8_t*>(ptr);
720 int AliHLTDataBuffer::AliHLTRawBuffer::operator<=(void* ptr) const
722 // see header file for function documentation
723 int iResult=fPtr <= static_cast<AliHLTUInt8_t*>(ptr);
724 //printf("%p: %p <= %p (%d)\n", this, fPtr, ptr, iResult);
728 int AliHLTDataBuffer::AliHLTRawBuffer::operator>(void* ptr) const
730 // see header file for function documentation
731 int iResult=fPtr+fSize > static_cast<AliHLTUInt8_t*>(ptr);
732 //printf("%p: %p + %d > %p (%d)\n", this, fPtr, fSize, ptr, iResult);
736 int AliHLTDataBuffer::AliHLTRawBuffer::operator-(void* ptr) const
738 // see header file for function documentation
739 return static_cast<int>(static_cast<AliHLTUInt8_t*>(ptr)-fPtr);
742 AliHLTUInt8_t* AliHLTDataBuffer::AliHLTRawBuffer::UseBuffer(AliHLTUInt32_t size)
744 // see header file for function documentation
745 if (size>0 && fTotalSize>=size) {
752 int AliHLTDataBuffer::AliHLTRawBuffer::CheckSize(AliHLTUInt32_t size) const
754 // see header file for function documentation
755 return fTotalSize>=size && ((fTotalSize-size)<fgMargin);
758 int AliHLTDataBuffer::AliHLTRawBuffer::Reset()
760 // see header file for function documentation
765 int AliHLTDataBuffer::AliHLTRawBuffer::WritePattern(const char* pattern, int size)
767 // see header file for function documentation
769 if (pattern!=NULL && size>0) {
770 if (fSize+size<=fTotalSize) {
771 memcpy(((char*)fPtr)+fSize, pattern, size);
780 int AliHLTDataBuffer::AliHLTRawBuffer::CheckPattern(const char* pattern, int size) const
782 // see header file for function documentation
784 if (pattern!=NULL && size>0) {
785 if (fSize+size<=fTotalSize) {
786 iResult=memcmp(((char*)fPtr)+fSize, pattern, size)!=0;