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4cbaf07b | 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 AliHLTSimulation.cxx | |
20 | @author Matthias Richter | |
21 | @date | |
22 | @brief Binding class for HLT simulation in AliRoot. */ | |
23 | ||
24 | #include <cassert> | |
25 | #include <cerrno> | |
26 | #include "AliHLTSimulation.h" | |
27 | #include "AliLog.h" | |
28 | #include "AliRunLoader.h" | |
29 | #include "AliHLTSystem.h" | |
30 | ||
31 | #if ALIHLTSIMULATION_LIBRARY_VERSION != LIBHLTSIM_VERSION | |
32 | #error library version in header file and lib*.pkg do not match | |
33 | #endif | |
34 | ||
35 | /** ROOT macro for the implementation of ROOT specific class methods */ | |
36 | ClassImp(AliHLTSimulation); | |
37 | ||
38 | AliHLTSimulation::AliHLTSimulation() | |
39 | : | |
40 | fOptions(), | |
41 | fpSystem(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 | } | |
49 | ||
50 | AliHLTSimulation::~AliHLTSimulation() | |
51 | { | |
52 | // see header file for function documentation | |
53 | if (fpSystem) { | |
54 | delete fpSystem; | |
55 | } | |
56 | fpSystem=NULL; | |
57 | } | |
58 | ||
59 | AliHLTSimulation* AliHLTSimulation::CreateInstance() | |
60 | { | |
61 | // see header file for function documentation | |
62 | return new AliHLTSimulation; | |
63 | } | |
64 | ||
65 | int AliHLTSimulation::DeleteInstance(AliHLTSimulation* pSim) | |
66 | { | |
67 | // see header file for function documentation | |
68 | assert(pSim!=NULL); | |
69 | delete pSim; | |
70 | return 0; | |
71 | } | |
72 | ||
73 | int AliHLTSimulation::Init(AliRunLoader* pRunLoader, const char* options) | |
74 | { | |
75 | // init the simulation | |
76 | fOptions=options; | |
77 | ||
78 | if (!fpSystem) fpSystem=new AliHLTSystem; | |
79 | if (!fpSystem) { | |
80 | AliError("can not create AliHLTSystem object"); | |
81 | return -ENOMEM; | |
82 | } | |
83 | if (fpSystem->CheckStatus(AliHLTSystem::kError)) { | |
84 | AliError("HLT system in error state"); | |
85 | return -EFAULT; | |
86 | } | |
87 | ||
88 | if (fpSystem->ScanOptions(options)<0) { | |
89 | AliError("error setting options for HLT system"); | |
90 | return -EINVAL; | |
91 | } | |
92 | ||
93 | if (!fpSystem->CheckStatus(AliHLTSystem::kReady)) { | |
94 | if ((fpSystem->Configure(pRunLoader))<0) { | |
95 | AliError("error during HLT system configuration"); | |
96 | return -EFAULT; | |
97 | } | |
98 | } | |
99 | ||
100 | return 0; | |
101 | } | |
102 | ||
103 | ||
104 | int AliHLTSimulation::Run(AliRunLoader* pRunLoader) | |
105 | { | |
106 | // HLT reconstruction for simulated data | |
107 | if(!pRunLoader) { | |
108 | AliError("Missing RunLoader! 0x0"); | |
109 | return -EINVAL; | |
110 | } | |
111 | ||
112 | Int_t nEvents = pRunLoader->GetNumberOfEvents(); | |
113 | int iResult=0; | |
114 | ||
115 | if (fpSystem->CheckStatus(AliHLTSystem::kError)) { | |
116 | AliError("HLT system in error state"); | |
117 | return -EFAULT; | |
118 | } | |
119 | if ((iResult=fpSystem->Reconstruct(nEvents, pRunLoader, NULL))>=0) { | |
dee38f1b | 120 | // send specific 'event' to execute the stop sequence |
121 | fpSystem->Reconstruct(0, NULL, NULL); | |
4cbaf07b | 122 | } |
123 | return iResult; | |
124 | } | |
125 | ||
126 | ||
127 | AliHLTSimulation* AliHLTSimulationCreateInstance() | |
128 | { | |
129 | // see header file for function documentation | |
130 | return AliHLTSimulation::CreateInstance(); | |
131 | } | |
132 | ||
133 | int AliHLTSimulationDeleteInstance(AliHLTSimulation* pSim) | |
134 | { | |
135 | // see header file for function documentation | |
136 | return AliHLTSimulation::DeleteInstance(pSim); | |
137 | } | |
138 | ||
139 | int AliHLTSimulationInit(AliHLTSimulation* pSim, AliRunLoader* pRunLoader, const char* options) | |
140 | { | |
141 | assert(pSim!=NULL); | |
142 | if (pSim) { | |
143 | return pSim->Init(pRunLoader, options); | |
144 | } | |
145 | return -ENODEV; | |
146 | } | |
147 | ||
148 | int AliHLTSimulationRun(AliHLTSimulation* pSim, AliRunLoader* pRunLoader) | |
149 | { | |
150 | assert(pSim!=NULL); | |
151 | if (pSim) { | |
152 | return pSim->Run(pRunLoader); | |
153 | } | |
154 | return -ENODEV; | |
155 | } | |
156 | ||
157 | int AliHLTSimulationGetLibraryVersion() | |
158 | { | |
159 | // see header file for function documentation | |
160 | return LIBHLTSIM_VERSION; | |
161 | } |