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bbad69c8 | 1 | // $Id$ |
2 | ||
3 | //************************************************************************** | |
4 | //* This file is property of and copyright by the ALICE HLT Project * | |
5 | //* ALICE Experiment at CERN, All rights reserved. * | |
6 | //* * | |
7 | //* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * | |
8 | //* for The ALICE HLT Project. * | |
9 | //* * | |
10 | //* Permission to use, copy, modify and distribute this software and its * | |
11 | //* documentation strictly for non-commercial purposes is hereby granted * | |
12 | //* without fee, provided that the above copyright notice appears in all * | |
13 | //* copies and that both the copyright notice and this permission notice * | |
14 | //* appear in the supporting documentation. The authors make no claims * | |
15 | //* about the suitability of this software for any purpose. It is * | |
16 | //* provided "as is" without express or implied warranty. * | |
17 | //************************************************************************** | |
18 | ||
19 | /// @file AliHLTOUTHandlerEsdBranch.cxx | |
20 | /// @author Matthias Richter | |
21 | /// @date 01.07.2010 | |
22 | /// @brief HLTOUT handler of type kEsd to merge objects into the hltEsd. | |
23 | ||
24 | #include "AliHLTOUTHandlerEsdBranch.h" | |
25 | #include "AliHLTOUT.h" | |
26 | #include "AliHLTMessage.h" | |
27 | #include "AliHLTErrorGuard.h" | |
1bd2ee2f | 28 | #include "AliHLTEsdManager.h" |
29 | #include "AliHLTComponent.h" // DataType2Text | |
30 | #include "AliHLTMisc.h" | |
bbad69c8 | 31 | #include "TString.h" |
32 | #include "TObjString.h" | |
33 | #include "TObjArray.h" | |
34 | #include "TArrayC.h" | |
35 | #include <cassert> | |
36 | ||
37 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
38 | ClassImp(AliHLTOUTHandlerEsdBranch) | |
39 | ||
40 | AliHLTOUTHandlerEsdBranch::AliHLTOUTHandlerEsdBranch(const char* branchname) | |
41 | : AliHLTOUTHandler() | |
42 | , fBranch(branchname) | |
43 | , fESD(NULL) | |
44 | , fpData(NULL) | |
45 | , fSize(0) | |
1bd2ee2f | 46 | , fManager(NULL) |
bbad69c8 | 47 | { |
48 | // see header file for class documentation | |
49 | // or | |
50 | // refer to README to build package | |
51 | // or | |
52 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
53 | } | |
54 | ||
55 | AliHLTOUTHandlerEsdBranch::~AliHLTOUTHandlerEsdBranch() | |
56 | { | |
57 | // see header file for class documentation | |
1bd2ee2f | 58 | if (fESD) fManager->DestroyEsdEvent(fESD); |
59 | fESD=NULL; | |
60 | if (fpData) delete fpData; | |
61 | fpData=NULL; | |
62 | if (fManager) AliHLTEsdManager::Delete(fManager); | |
63 | fManager=NULL; | |
bbad69c8 | 64 | } |
65 | ||
66 | int AliHLTOUTHandlerEsdBranch::ProcessData(AliHLTOUT* pData) | |
67 | { | |
68 | // see header file for class documentation | |
69 | if (!pData) return -EINVAL; | |
70 | int iResult=0; | |
71 | ||
72 | if (CheckStatus(kHandlerError)) { | |
73 | HLTWarning("kEsd handler for ESD branch '%s' in error state, skipping processing of associated HLTOUT blocks", fBranch.Data()); | |
74 | return -EPERM; | |
75 | } | |
76 | ||
1bd2ee2f | 77 | if (!fManager) { |
78 | fManager=AliHLTMisc::LoadInstance((AliHLTEsdManager*)NULL, "AliHLTEsdManagerImplementation", "libHLTrec.so"); | |
79 | } | |
80 | ||
81 | if (!fManager) { | |
82 | AliHLTComponentDataType dt=kAliHLTVoidDataType; | |
83 | AliHLTUInt32_t spec=kAliHLTVoidDataSpec; | |
84 | if (pData->SelectFirstDataBlock()>=0) { | |
85 | pData->GetDataBlockDescription(dt, spec); | |
86 | ALIHLTERRORGUARD(1, "failed to create AliHLTEsdManagerImplementation object, skipping handling of HLTOUT data %s 0x%80x", AliHLTComponent::DataType2Text(dt).c_str(), spec); | |
87 | } | |
88 | return -ENOSYS; | |
89 | } | |
90 | ||
bbad69c8 | 91 | if (!fESD) { |
92 | // create the ESD container, but without std content | |
1bd2ee2f | 93 | fESD = fManager->CreateEsdEvent(); |
bbad69c8 | 94 | } |
95 | if (!fpData) fpData=new TArrayC; | |
96 | if (fESD && fpData) { | |
1bd2ee2f | 97 | fManager->ResetEsdEvent(fESD); |
bbad69c8 | 98 | iResult=ExtractAndAddObjects(pData); |
99 | } | |
100 | ||
101 | AliHLTMessage* pMsg=AliHLTMessage::Stream(fESD); | |
102 | if (pMsg) { | |
103 | if (!pMsg->CompBuffer()) { | |
104 | fSize=pMsg->Length(); | |
105 | fpData->Set(fSize, pMsg->Buffer()); | |
106 | } else { | |
107 | fSize=pMsg->CompLength(); | |
108 | fpData->Set(fSize, pMsg->CompBuffer()); | |
109 | } | |
110 | delete pMsg; | |
111 | pMsg=NULL; | |
112 | } else { | |
113 | HLTError("streaming of object failed"); | |
114 | } | |
115 | ||
116 | return iResult; | |
117 | } | |
118 | ||
119 | int AliHLTOUTHandlerEsdBranch::ExtractAndAddObjects(AliHLTOUT* pData) | |
120 | { | |
121 | // Default method | |
122 | // Extract streamed object from the HLTOUT and add to ESD | |
123 | // The default method works only for single blocks in the HLTOUT, | |
124 | // A specific child class is required if multiple blocks should be | |
125 | // treated. | |
126 | ||
1bd2ee2f | 127 | if (!fESD || !fManager) return -ENOSYS; |
bbad69c8 | 128 | int iResult=0; |
129 | iResult=pData->SelectFirstDataBlock(); | |
130 | if (iResult<0) return iResult; | |
131 | ||
132 | TObject* pObject=pData->GetDataObject(); | |
133 | if (pObject) { | |
134 | TString bname=fBranch; | |
135 | if (bname.IsNull()) { | |
136 | bname=pObject->GetName(); | |
137 | if (bname.CompareTo(pObject->ClassName())==0) { | |
138 | ALIHLTERRORGUARD(5, "no branch name specified for unnamed object %s, not added to ESD", bname.Data()); | |
139 | bname=""; | |
140 | } | |
141 | } | |
142 | if (!bname.IsNull()) { | |
1bd2ee2f | 143 | iResult=fManager->AddObject(fESD, pObject, bname.Data()); |
bbad69c8 | 144 | } else { |
145 | iResult=-EBADF; | |
146 | } | |
147 | pData->ReleaseDataObject(pObject); | |
148 | pObject=NULL; | |
149 | } else { | |
150 | AliHLTComponentDataType dt=kAliHLTVoidDataType; | |
151 | AliHLTUInt32_t spec=kAliHLTVoidDataSpec; | |
152 | pData->GetDataBlockDescription(dt, spec); | |
153 | HLTError("Can not get TObject from HLTOUT buffer for block %s 0x%x", AliHLTComponent::DataType2Text(dt).c_str(), spec); | |
154 | iResult=-ENODATA; | |
155 | } | |
156 | ||
157 | if (pData->SelectNextDataBlock()>=0) { | |
158 | ALIHLTERRORGUARD(5, "the default function can only handle one single data block/object"); | |
159 | } | |
160 | ||
161 | return iResult; | |
162 | } | |
163 | ||
bbad69c8 | 164 | int AliHLTOUTHandlerEsdBranch::GetProcessedData(const AliHLTUInt8_t* &pData) |
165 | { | |
166 | // see header file for class documentation | |
167 | if (!fpData) { | |
168 | pData=NULL; | |
169 | return 0; | |
170 | } | |
171 | ||
172 | pData=reinterpret_cast<AliHLTUInt8_t*>(fpData->GetArray()); | |
173 | return fSize; | |
174 | } | |
175 | ||
176 | int AliHLTOUTHandlerEsdBranch::ReleaseProcessedData(const AliHLTUInt8_t* pData, int size) | |
177 | { | |
178 | // see header file for class documentation | |
179 | int iResult=0; | |
180 | if (!fpData || size != fSize || | |
181 | const_cast<AliHLTUInt8_t*>(pData) != reinterpret_cast<AliHLTUInt8_t*>(fpData->GetArray())) { | |
182 | HLTError("attempt to release to wrong data buffer %p size %d, expected %p size %d", pData, size, fpData?fpData->GetArray():NULL, fSize); | |
183 | } | |
184 | fSize=0; | |
185 | return iResult; | |
186 | } |