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1 | /* $Id$ */ | |
2 | ||
3 | // This class runs the test preprocessor | |
4 | // It uses AliTestShuttle to simulate a full Shuttle process | |
5 | ||
6 | // The input data is created in the functions | |
7 | // CreateDCSAliasMap() creates input that would in the same way come from DCS | |
8 | // ReadDCSAliasMap() reads from a file | |
9 | // CreateInputFilesMap() creates a list of local files, that can be accessed by the shuttle | |
10 | ||
11 | void TestPreprocessor() | |
12 | { | |
13 | // load library | |
14 | gSystem->Load("libTestShuttle.so"); | |
15 | ||
16 | // TODO if needed, change location of OCDB and Reference test folders | |
17 | // by default they are set to $ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB and TestReference | |
18 | // AliTestShuttle::SetOCDBStorage("local://$ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB"); | |
19 | // AliTestShuttle::SetReferenceStorage("local://$ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB"); | |
20 | ||
21 | printf("Test OCDB storage Uri: %s\n", AliTestShuttle::GetOCDBStorage().Data()); | |
22 | printf("Test Reference storage Uri: %s\n", AliTestShuttle::GetReferenceStorage().Data()); | |
23 | ||
24 | // create AliTestShuttle instance | |
25 | // The parameters are run, startTime, endTime | |
26 | AliTestShuttle* shuttle = new AliTestShuttle(7, 0, 1); | |
27 | ||
28 | // TODO(1) | |
29 | // | |
30 | // The shuttle can read DCS data, if the preprocessor should be tested to process DCS data, | |
31 | // some fake data has to be created. | |
32 | // | |
33 | // The "fake" input data can be taken using either (a) or (b): | |
34 | // (a) data from a file: Use ReadDCSAliasMap() | |
35 | // the format of the file is explained in ReadDCSAliasMap() | |
36 | // To use it uncomment the following line: | |
37 | // | |
38 | //TMap* dcsAliasMap = ReadDCSAliasMap(); | |
39 | // | |
40 | // (b) generated in this macro: Use CreateDCSAliasMap() and its documentation | |
41 | // To use it uncomment the following line: | |
42 | // | |
43 | TMap* dcsAliasMap = CreateDCSAliasMap(); | |
44 | ||
45 | // now give the alias map to the shuttle | |
46 | shuttle->SetDCSInput(dcsAliasMap); | |
47 | ||
48 | // TODO(2) | |
49 | // | |
50 | // The shuttle can also process files that originate from DCS, DAQ and HLT. | |
51 | // To test it, we provide some local files and locations where these would be found when | |
52 | // the online machinery would be there. | |
53 | // In real life this functions would be produces by the sub-detectors | |
54 | // calibration programs in DCS, DAQ or HLT. These files can then be retrieved using the Shuttle. | |
55 | // | |
56 | // Files are added with the function AliTestShuttle::AddInputFile. The syntax is: | |
57 | // AddInputFile(<system>, <detector>, <id>, <source>, <local-file>) | |
58 | // In this example we add a file originating from the GDC with the id PEDESTALS | |
59 | // Three files originating from different LDCs but with the same id are also added | |
60 | // Note that the test preprocessor name is TPC. The name of the detector's preprocessor must follow | |
61 | // the "online" naming convention ALICE-INT-2003-039. | |
62 | shuttle->AddInputFile(AliTestShuttle::kDAQ, "TPC", "PEDESTALS", "GDC", "file1.root"); | |
63 | shuttle->AddInputFile(AliTestShuttle::kDAQ, "TPC", "DRIFTVELOCITY", "LDC0", "file2a.root"); | |
64 | shuttle->AddInputFile(AliTestShuttle::kDAQ, "TPC", "DRIFTVELOCITY", "LDC1", "file2b.root"); | |
65 | shuttle->AddInputFile(AliTestShuttle::kDAQ, "TPC", "DRIFTVELOCITY", "LDC2", "file2b.root"); | |
66 | ||
67 | // TODO(3) | |
68 | // | |
69 | // The shuttle can read run parameters stored in the DAQ run logbook. | |
70 | // To test it, we must provide the run parameters manually. They will be retrieved in the preprocessor | |
71 | // using GetRunParameter function. | |
72 | // In real life the parameters will be retrieved automatically from the run logbook; | |
73 | shuttle->AddInputRunParameter("totalEvents", "30000"); | |
74 | shuttle->AddInputRunParameter("NumberOfGDCs", "15"); | |
75 | ||
76 | // TODO(4) | |
77 | // Create the preprocessor that should be tested, it registers itself automatically to the shuttle | |
78 | AliPreprocessor* test = new AliTestPreprocessor(shuttle); | |
79 | ||
80 | // Test the preprocessor | |
81 | shuttle->Process(); | |
82 | ||
83 | // TODO(5) | |
84 | // In the preprocessor AliShuttleInterface::Store should be called to put the final | |
85 | // data to the CDB. To check if all went fine have a look at the files produced in | |
86 | // $ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB/<detector>/SHUTTLE/Data | |
87 | // | |
88 | // Check the file which should have been created | |
89 | AliCDBEntry* entry = AliCDBManager::Instance()->GetStorage(AliTestShuttle::GetOCDBStorage()) | |
90 | ->Get("TPC/SHUTTLE/Data", 7); | |
91 | if (!entry) | |
92 | { | |
93 | printf("The file is not there. Something went wrong.\n"); | |
94 | return; | |
95 | } | |
96 | ||
97 | AliTestDataDCS* output = dynamic_cast<AliTestDataDCS*> (entry->GetObject()); | |
98 | // If everything went fine, draw the result | |
99 | if (output) | |
100 | output->Draw(); | |
101 | } | |
102 | ||
103 | TMap* CreateDCSAliasMap() | |
104 | { | |
105 | // Creates a DCS structure | |
106 | // The structure is the following: | |
107 | // TMap (key --> value) | |
108 | // <DCSAlias> --> <valueList> | |
109 | // <DCSAlias> is a string | |
110 | // <valueList> is a TObjArray of AliDCSValue | |
111 | // An AliDCSValue consists of timestamp and a value in form of a AliSimpleValue | |
112 | ||
113 | // In this example 6 aliases exists: DCSAlias1 ... DCSAlias6 | |
114 | // Each contains 1000 values randomly generated by TRandom::Gaus + 5*nAlias | |
115 | ||
116 | TMap* aliasMap = new TMap; | |
117 | aliasMap->SetOwner(1); | |
118 | ||
119 | TRandom random; | |
120 | ||
121 | for(int nAlias=0;nAlias<6;nAlias++) | |
122 | { | |
123 | TObjArray* valueSet = new TObjArray; | |
124 | valueSet->SetOwner(1); | |
125 | ||
126 | TString aliasName="DCSAlias"; | |
127 | aliasName += nAlias; | |
128 | //printf("\n\n alias: %s\n\n",aliasName.Data()); | |
129 | ||
130 | for (int timeStamp=0;timeStamp<1000;timeStamp+=10) | |
131 | { | |
132 | AliDCSValue* dcsVal = new AliDCSValue((Float_t) (random.Gaus()+5*nAlias), timeStamp); | |
133 | //printf("%s\n",dcsVal->ToString().Data()); | |
134 | valueSet->Add(dcsVal); | |
135 | } | |
136 | aliasMap->Add(new TObjString(aliasName), valueSet); | |
137 | } | |
138 | ||
139 | return aliasMap; | |
140 | } | |
141 | ||
142 | TMap* ReadDCSAliasMap() | |
143 | { | |
144 | // Open a file that contains DCS input data | |
145 | // The CDB framework is used to open the file, this means the file is located | |
146 | // in $ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB/<detector>/DCS/Data | |
147 | // The file contains an AliCDBEntry that contains a TMap with the DCS structure. | |
148 | // An explanation of the structure can be found in CreateDCSAliasMap() | |
149 | ||
150 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("DET/DCS/Data", 0); | |
151 | return dynamic_cast<TMap*> (entry->GetObject()); | |
152 | } | |
153 | ||
154 | void WriteDCSAliasMap() | |
155 | { | |
156 | // This writes the output from CreateDCSAliasMap to a CDB file | |
157 | ||
158 | TMap* dcsAliasMap = CreateDCSAliasMap(); | |
159 | ||
160 | AliCDBMetaData metaData; | |
161 | metaData.SetBeamPeriod(0); | |
162 | metaData.SetResponsible("Responsible person"); | |
163 | metaData.SetComment("Test object for TestPreprocessor.C"); | |
164 | ||
165 | AliCDBId id("DET/DCS/Data", 0, 0); | |
166 | ||
167 | // initialize location of CDB | |
168 | AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT/SHUTTLE/TestShuttle/TestCDB"); | |
169 | ||
170 | AliCDBManager::Instance()->Put(dcsAliasMap, id, &metaData); | |
171 | } |