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c5318542 | 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. * | |
c5318542 | 6 | * * |
9be2600f | 7 | * Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> * |
8 | * Timm Steinbeck <timm@kip.uni-heidelberg.de> * | |
9 | * for The ALICE HLT Project. * | |
c5318542 | 10 | * * |
11 | * Permission to use, copy, modify and distribute this software and its * | |
12 | * documentation strictly for non-commercial purposes is hereby granted * | |
13 | * without fee, provided that the above copyright notice appears in all * | |
14 | * copies and that both the copyright notice and this permission notice * | |
15 | * appear in the supporting documentation. The authors make no claims * | |
16 | * about the suitability of this software for any purpose. It is * | |
17 | * provided "as is" without express or implied warranty. * | |
18 | **************************************************************************/ | |
19 | ||
b22e91eb | 20 | /** @file AliHLTSampleComponent1.cxx |
21 | @author Matthias Richter, Timm M. Steinbeck | |
22 | @date | |
23 | @brief A sample processing component for the HLT. */ | |
c5318542 | 24 | |
25 | #if __GNUC__== 3 | |
26 | using namespace std; | |
27 | #endif | |
28 | ||
c5318542 | 29 | #include "AliHLTSampleComponent1.h" |
5045badf | 30 | #include "TString.h" |
31 | #include "TObjString.h" | |
32 | #include "TObjArray.h" | |
33 | #include "AliCDBEntry.h" | |
34 | #include "AliCDBManager.h" | |
c5318542 | 35 | |
5045badf | 36 | /** ROOT macro for the implementation of ROOT specific class methods */ |
c5318542 | 37 | ClassImp(AliHLTSampleComponent1) |
38 | ||
c5318542 | 39 | AliHLTSampleComponent1::AliHLTSampleComponent1() |
40 | { | |
f644d3f1 | 41 | // see header file for class documentation |
5045badf | 42 | // or |
43 | // refer to README to build package | |
44 | // or | |
45 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
c5318542 | 46 | } |
47 | ||
48 | AliHLTSampleComponent1::~AliHLTSampleComponent1() | |
49 | { | |
f644d3f1 | 50 | // see header file for class documentation |
c5318542 | 51 | } |
52 | ||
5045badf | 53 | int AliHLTSampleComponent1::DoInit( int argc, const char** argv ) |
54 | { | |
f644d3f1 | 55 | // see header file for class documentation |
5045badf | 56 | int iResult=0; |
57 | HLTInfo("parsing %d arguments", argc); | |
58 | ||
59 | TString argument=""; | |
60 | TString configuration=""; | |
61 | int bMissingParam=0; | |
62 | bool bHaveMandatory1=false; | |
63 | bool bHaveMandatory2=false; | |
64 | for (int i=0; i<argc && iResult>=0; i++) { | |
65 | argument=argv[i]; | |
66 | if (argument.IsNull()) continue; | |
67 | ||
68 | // -mandatory1 | |
69 | if (argument.CompareTo("-mandatory1")==0) { | |
70 | bHaveMandatory1|=1; | |
71 | if ((bMissingParam=(++i>=argc))) break; | |
72 | HLTInfo("got \'-mandatory1\' argument: %s", argv[i]); | |
73 | ||
74 | // -mandatory2 | |
75 | } else if (argument.CompareTo("-mandatory2")==0) { | |
76 | bHaveMandatory2|=1; | |
77 | HLTInfo("got \'-mandatory2\' argument"); | |
78 | ||
79 | // -optional1 | |
80 | } else if (argument.CompareTo("-optional1")==0) { | |
81 | if ((bMissingParam=(++i>=argc))) break; | |
82 | HLTInfo("got \'-optional1\' argument: %s", argv[i]); | |
83 | ||
84 | // -optional2 | |
85 | } else if (argument.CompareTo("-optional2")==0) { | |
86 | HLTInfo("got \'-optional2\' argument"); | |
87 | ||
88 | } else { | |
89 | // the remaining arguments are treated as configuration | |
90 | if (!configuration.IsNull()) configuration+=" "; | |
91 | configuration+=argument; | |
92 | } | |
f644d3f1 | 93 | } |
5045badf | 94 | if (bMissingParam) { |
95 | HLTError("missing parameter for argument %s", argument.Data()); | |
96 | iResult=-EINVAL; | |
97 | } | |
98 | ||
99 | if (iResult>=0 && !bHaveMandatory1) { | |
100 | HLTError("mandatory argument \'-mandatory1\' missing"); | |
101 | iResult=-EPROTO; | |
102 | } | |
103 | if (iResult>=0 && !bHaveMandatory2) { | |
104 | HLTError("mandatory argument \'-mandatory2\' missing"); | |
105 | iResult=-EPROTO; | |
106 | } | |
107 | if (iResult>=0 && !configuration.IsNull()) { | |
108 | iResult=Configure(configuration.Data()); | |
109 | } else { | |
110 | iResult=Reconfigure(NULL, NULL); | |
111 | } | |
112 | ||
113 | return iResult; | |
c5318542 | 114 | } |
115 | ||
5045badf | 116 | int AliHLTSampleComponent1::DoDeinit() |
117 | { | |
f644d3f1 | 118 | // see header file for class documentation |
5045badf | 119 | HLTInfo("processing cleanup"); |
c5318542 | 120 | return 0; |
121 | } | |
122 | ||
8ede8717 | 123 | int AliHLTSampleComponent1::DoEvent( const AliHLTComponentEventData& evtData, const AliHLTComponentBlockData* blocks, |
124 | AliHLTComponentTriggerData& trigData, AliHLTUInt8_t* outputPtr, | |
125 | AliHLTUInt32_t& size, vector<AliHLTComponentBlockData>& outputBlocks ) { | |
f644d3f1 | 126 | // see header file for class documentation |
5045badf | 127 | HLTInfo("processing data"); |
f644d3f1 | 128 | if (evtData.fStructSize==0 && blocks==NULL && trigData.fStructSize==0 && |
129 | outputPtr==0 && size==0) | |
130 | { | |
131 | outputBlocks.clear(); | |
132 | // this is just to get rid of the warning "unused parameter" | |
133 | } | |
c5318542 | 134 | return 0; |
135 | } | |
5045badf | 136 | |
137 | int AliHLTSampleComponent1::Configure(const char* arguments) | |
138 | { | |
139 | // see header file for class documentation | |
140 | int iResult=0; | |
141 | if (!arguments) return iResult; | |
142 | HLTInfo("parsing configuration string \'%s\'", arguments); | |
143 | ||
144 | TString allArgs=arguments; | |
145 | TString argument; | |
146 | int bMissingParam=0; | |
147 | ||
148 | TObjArray* pTokens=allArgs.Tokenize(" "); | |
149 | if (pTokens) { | |
150 | for (int i=0; i<pTokens->GetEntries() && iResult>=0; i++) { | |
151 | argument=((TObjString*)pTokens->At(i))->GetString(); | |
152 | if (argument.IsNull()) continue; | |
153 | ||
154 | // -config1 | |
155 | if (argument.CompareTo("-config1")==0) { | |
156 | if ((bMissingParam=(++i>=pTokens->GetEntries()))) break; | |
157 | HLTInfo("got \'-config1\': %s", ((TObjString*)pTokens->At(i))->GetString().Data()); | |
158 | ||
159 | // -config2 | |
160 | } else if (argument.CompareTo("-config2")==0) { | |
161 | HLTInfo("got \'-config2\'"); | |
162 | } else { | |
163 | HLTError("unknown argument %s", argument.Data()); | |
164 | iResult=-EINVAL; | |
165 | break; | |
166 | } | |
167 | } | |
168 | delete pTokens; | |
169 | } | |
170 | if (bMissingParam) { | |
171 | HLTError("missing parameter for argument %s", argument.Data()); | |
172 | iResult=-EINVAL; | |
173 | } | |
174 | return iResult; | |
175 | } | |
176 | ||
177 | int AliHLTSampleComponent1::Reconfigure(const char* cdbEntry, const char* chainId) | |
178 | { | |
179 | // see header file for class documentation | |
180 | int iResult=0; | |
181 | const char* path="HLT/ConfigSample/SampleComponent1"; | |
182 | const char* defaultNotify=""; | |
183 | if (cdbEntry) { | |
184 | path=cdbEntry; | |
185 | defaultNotify=" (default)"; | |
186 | } | |
187 | if (path) { | |
188 | HLTInfo("reconfigure from entry %s%s, chain id %s", path, defaultNotify,(chainId!=NULL && chainId[0]!=0)?chainId:"<none>"); | |
189 | AliCDBEntry *pEntry = AliCDBManager::Instance()->Get(path/*,GetRunNo()*/); | |
190 | if (pEntry) { | |
191 | TObjString* pString=dynamic_cast<TObjString*>(pEntry->GetObject()); | |
192 | if (pString) { | |
193 | HLTInfo("received configuration object string: \'%s\'", pString->GetString().Data()); | |
194 | iResult=Configure(pString->GetString().Data()); | |
195 | } else { | |
196 | HLTError("configuration object \"%s\" has wrong type, required TObjString", path); | |
197 | } | |
198 | } else { | |
199 | HLTError("can not fetch object \"%s\" from CDB", path); | |
200 | } | |
201 | } | |
202 | return iResult; | |
203 | } | |
b543e186 | 204 | |
205 | int AliHLTSampleComponent1::ReadPreprocessorValues(const char* modules) | |
206 | { | |
207 | // see header file for class documentation | |
208 | int iResult=0; | |
209 | TString detectors(modules!=NULL?modules:""); | |
210 | HLTInfo("read preprocessor values for detector(s): %s", detectors.IsNull()?"none":detectors.Data()); | |
211 | return iResult; | |
212 | } |