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7131ea63 | 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 AliHLTOUTHandlerChain.cxx | |
20 | @author Matthias Richter | |
21 | @date 24.06.2008 | |
22 | @brief HLTOUT handler of type kChain. | |
23 | */ | |
24 | ||
25 | #include "AliHLTOUTHandlerChain.h" | |
26 | #include "AliHLTOUT.h" | |
27 | #include "AliHLTSystem.h" | |
28 | #include "AliHLTOUTTask.h" | |
29 | #include "TString.h" | |
30 | #include "TObjString.h" | |
31 | #include "TObjArray.h" | |
32 | ||
33 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
34 | ClassImp(AliHLTOUTHandlerChain) | |
35 | ||
36 | AliHLTOUTHandlerChain::AliHLTOUTHandlerChain(const char* arguments) | |
37 | : | |
38 | fChains(), | |
39 | fOptions(), | |
40 | fpSystem(NULL), | |
41 | fpTask(NULL) | |
42 | { | |
43 | // see header file for class documentation | |
44 | // or | |
45 | // refer to README to build package | |
46 | // or | |
47 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
48 | if (arguments) { | |
49 | TString args=arguments; | |
50 | TObjArray* pTokens=args.Tokenize(" "); | |
51 | if (pTokens) { | |
52 | int iEntries=pTokens->GetEntries(); | |
53 | for (int i=0; i<iEntries; i++) { | |
54 | TString token=(((TObjString*)pTokens->At(i))->GetString()); | |
55 | if (token.Contains("chains=")) { | |
56 | TString param=token.ReplaceAll("chains=", ""); | |
57 | fChains=param.ReplaceAll(",", " "); | |
58 | } else { | |
59 | if (!fOptions.IsNull()) fOptions+=" "; | |
60 | fOptions+=token; | |
61 | } | |
62 | } | |
63 | delete pTokens; | |
64 | } | |
65 | } | |
66 | } | |
67 | ||
68 | AliHLTOUTHandlerChain::~AliHLTOUTHandlerChain() | |
69 | { | |
70 | // see header file for class documentation | |
71 | if (fpSystem) { | |
72 | delete fpSystem; | |
73 | } | |
74 | } | |
75 | ||
76 | int AliHLTOUTHandlerChain::ProcessData(AliHLTOUT* pData) | |
77 | { | |
78 | // see header file for class documentation | |
79 | if (!pData) return -EINVAL; | |
80 | int iResult=0; | |
81 | ||
82 | if (CheckStatus(kHandlerError)) { | |
83 | HLTWarning("kChain handler '%s' in error state, skipping processing of associated HLTOUT blocks", fChains.Data()); | |
84 | return -EPERM; | |
85 | } | |
86 | ||
87 | if (!fpSystem && (iResult=InitSystem())<0) { | |
88 | return iResult; | |
89 | } | |
90 | ||
f3c1d403 | 91 | if (fpSystem->CheckStatus(AliHLTSystem::kError) || !fpTask) { |
7131ea63 | 92 | HLTWarning("kChain handler '%s': system in error state, skipping processing of associated HLTOUT blocks", fChains.Data()); |
93 | return -EACCES; | |
94 | } | |
95 | ||
96 | // run one event and do not stop the chain | |
f3c1d403 | 97 | fpTask->Reset(); |
7131ea63 | 98 | { |
99 | AliHLTOUT::AliHLTOUTGlobalInstanceGuard g(pData); | |
100 | if ((iResult=fpSystem->Run(1,0))>=0) { | |
101 | // sub-collection is going to be reset from the | |
102 | // parent HLTOUT collection | |
103 | AliHLTOUT* pSubCollection=dynamic_cast<AliHLTOUT*>(fpTask); | |
104 | pSubCollection->Init(); | |
105 | pData->AddSubCollection(pSubCollection); | |
106 | } else { | |
107 | fpTask->Reset(); | |
108 | } | |
109 | } | |
110 | ||
111 | return iResult; | |
112 | } | |
113 | ||
114 | int AliHLTOUTHandlerChain::CreateConfigurations(AliHLTConfigurationHandler* /*handler*/) | |
115 | { | |
116 | //default implementation, nothing to do | |
117 | return 0; | |
118 | } | |
119 | ||
120 | int AliHLTOUTHandlerChain::InitSystem() | |
121 | { | |
122 | // see header file for class documentation | |
123 | int iResult=0; | |
124 | if (!fpSystem) { | |
125 | // init AliHLTSystem | |
126 | fpSystem = new AliHLTSystem(GetGlobalLoggingLevel()); | |
127 | if (fpSystem) { | |
128 | if ((iResult=fpSystem->ScanOptions(fOptions.Data()))>=0) { | |
129 | // load configurations if not specified by external macro | |
130 | if (!fOptions.Contains("config=")) | |
131 | iResult=CreateConfigurations(fpSystem->fpConfigurationHandler); | |
132 | ||
133 | if (iResult>=0) { | |
134 | iResult=fpSystem->BuildTaskList(fChains.Data()); | |
135 | } | |
136 | ||
137 | // add AliHLTOUTTask on top of the configuartions in order to | |
138 | // collect the data | |
139 | fpTask=new AliHLTOUTTask(fChains.Data()); | |
140 | } | |
141 | } else { | |
142 | iResult=-ENOMEM; | |
143 | } | |
144 | if (iResult>=0 && fpSystem && fpTask) { | |
145 | if (fpTask->GetConf() && fpTask->GetConf()->SourcesResolved()>=0) { | |
146 | iResult=fpSystem->InsertTask(fpTask); | |
147 | } else { | |
148 | HLTError("HLTOUT task (%s) sources not resolved", fpTask->GetName()); | |
149 | iResult=-ENOENT; | |
150 | } | |
151 | } | |
152 | if (iResult<0 || !fpTask) { | |
153 | SetStatusFlag(kHandlerError); | |
154 | if (fpSystem) delete fpSystem; fpSystem=NULL; | |
155 | if (fpTask) delete fpTask; fpTask=NULL; | |
156 | } | |
157 | } | |
158 | return iResult; | |
159 | } |