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f23a6e1a | 1 | // $Id$ |
2 | ||
a3c9b745 | 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 | //* Timm Steinbeck <timm@kip.uni-heidelberg.de> * | |
9 | //* for The ALICE HLT Project. * | |
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 | //************************************************************************** | |
f23a6e1a | 19 | |
f27cf33a | 20 | // @file AliHLT_C_Component_WrapperInterface.cxx |
21 | // @author Matthias Richter, Timm Steinbeck | |
22 | // @date | |
23 | // @brief Old C interface to the AliRoot HLT component handler | |
24 | // @note This interface is deprecated, the new interface is defined | |
25 | // in HLT/BASE/AliHLTExternalInterface | |
f23a6e1a | 26 | |
0c0c9d99 | 27 | #if __GNUC__>= 3 |
f23a6e1a | 28 | using namespace std; |
29 | #endif | |
30 | ||
31 | #include "AliHLT_C_Component_WrapperInterface.h" | |
32 | #include "AliHLTComponentHandler.h" | |
33 | #include "AliHLTComponent.h" | |
cc484ed9 | 34 | #include "AliHLTMisc.h" |
f23a6e1a | 35 | #include <errno.h> |
36 | ||
37 | static AliHLTComponentHandler *gComponentHandler_C = NULL; | |
9a0ef890 | 38 | static AliHLTRunDesc gRunDesc=kAliHLTVoidRunDesc; |
39 | static char* gRunType=NULL; | |
f23a6e1a | 40 | |
f7561f8d | 41 | int AliHLT_C_Component_InitSystem( AliHLTComponentEnvironment* comenv ) |
f23a6e1a | 42 | { |
f27cf33a | 43 | // init the HLT system |
f23a6e1a | 44 | if ( gComponentHandler_C ) |
45 | { | |
46 | return EINPROGRESS; | |
47 | } | |
9a0ef890 | 48 | |
a3c9b745 | 49 | // July 2008 |
3ff6ace7 | 50 | // Due to a bug in the SimpleComponentWrapper and AliRootWrapperSubscriber |
51 | // the fStructSize member was never initialized and we can not use this | |
a3c9b745 | 52 | // method of synchronizing different versions. |
53 | // This interface is now deprecated, only kept for backward compatibility. | |
54 | // All function pointers are explicitely mapped to the new structure. | |
55 | ||
56 | AliHLTAnalysisEnvironment mappedEnv; | |
57 | memset(&mappedEnv, 0, sizeof(mappedEnv)); | |
58 | mappedEnv.fStructSize=sizeof(mappedEnv); | |
59 | if (comenv) { | |
60 | mappedEnv.fParam = comenv->fParam; | |
61 | mappedEnv.fAllocMemoryFunc = comenv->fAllocMemoryFunc; | |
62 | mappedEnv.fGetEventDoneDataFunc= comenv->fGetEventDoneDataFunc; | |
63 | mappedEnv.fLoggingFunc = comenv->fLoggingFunc; | |
64 | } | |
65 | ||
66 | gComponentHandler_C = new AliHLTComponentHandler(&mappedEnv); | |
f23a6e1a | 67 | if ( !gComponentHandler_C ) |
68 | return EFAULT; | |
a742f6f8 | 69 | gComponentHandler_C->InitAliLogTrap(gComponentHandler_C); |
fa760045 | 70 | gComponentHandler_C->AnnounceVersion(); |
f23a6e1a | 71 | return 0; |
72 | } | |
73 | ||
74 | int AliHLT_C_Component_DeinitSystem() | |
75 | { | |
f27cf33a | 76 | // De-init the HLT system and clean-up internal memory |
f23a6e1a | 77 | if ( gComponentHandler_C ) |
78 | { | |
79 | delete gComponentHandler_C; | |
80 | gComponentHandler_C = NULL; | |
81 | } | |
82 | return 0; | |
83 | } | |
84 | ||
85 | int AliHLT_C_Component_LoadLibrary( const char* libraryPath ) | |
86 | { | |
f27cf33a | 87 | // load a component library |
f23a6e1a | 88 | if ( !gComponentHandler_C ) |
89 | return ENXIO; | |
90 | return gComponentHandler_C->LoadLibrary( libraryPath ); | |
91 | } | |
92 | ||
d76bc02a | 93 | int AliHLT_C_Component_UnloadLibrary( const char* /*libraryPath*/ ) |
f23a6e1a | 94 | { |
f27cf33a | 95 | // unload a component library |
f23a6e1a | 96 | if ( !gComponentHandler_C ) |
97 | return ENXIO; | |
cbd84228 | 98 | // Matthias 26.10.2007 |
99 | // Unloading of libraries has to be re-worked. It has been commented out here | |
100 | // since the libraries will be unloaded at the destruction of the component | |
101 | // handler instance anyway. So it has no effect to the operation in PubSub. | |
102 | // With the introduction of the dynamic component registration via module | |
103 | // agents we run into trouble when cleaning up the samples managed by the | |
104 | // component handler. Destruction of the sample objects is done AFTER | |
105 | // unloading of the library and thus the destructor is not present any | |
106 | // more. | |
107 | //return gComponentHandler_C->UnloadLibrary( libraryPath ); | |
108 | return 0; | |
f23a6e1a | 109 | } |
110 | ||
f7561f8d | 111 | int AliHLT_C_CreateComponent( const char* componentType, void* environParam, int argc, const char** argv, AliHLTComponentHandle* handle ) |
f23a6e1a | 112 | { |
f27cf33a | 113 | // create a component |
f23a6e1a | 114 | if ( !gComponentHandler_C ) |
115 | return ENXIO; | |
3294f81a | 116 | if ( !handle ) return EINVAL; |
b2065764 | 117 | AliHLTComponent* comp=NULL; |
118 | const char* cdbPath = getenv("ALIHLT_HCDBDIR"); | |
119 | if (!cdbPath) cdbPath = getenv("ALICE_ROOT"); | |
f323c990 | 120 | int ret = gComponentHandler_C->CreateComponent( componentType, comp); |
9a0ef890 | 121 | if (ret>=0 && comp) { |
cc484ed9 | 122 | AliHLTMisc::Instance().InitCDB(cdbPath); |
123 | AliHLTMisc::Instance().SetCDBRunNo(gRunDesc.fRunNo); | |
9a0ef890 | 124 | comp->SetRunDescription(&gRunDesc, gRunType); |
a3c9b745 | 125 | const AliHLTAnalysisEnvironment* comenv=gComponentHandler_C->GetEnvironment(); |
9a0ef890 | 126 | ret=comp->Init(comenv, environParam, argc, argv); |
127 | } | |
f23a6e1a | 128 | *handle = reinterpret_cast<AliHLTComponentHandle>( comp ); |
3294f81a | 129 | |
f23a6e1a | 130 | return ret; |
131 | } | |
132 | ||
133 | void AliHLT_C_DestroyComponent( AliHLTComponentHandle handle ) | |
134 | { | |
f27cf33a | 135 | // destroy a component |
f23a6e1a | 136 | if ( !handle ) |
137 | return; | |
3cde846d | 138 | |
139 | AliHLTComponent* pComp=reinterpret_cast<AliHLTComponent*>( handle ); | |
140 | pComp->Deinit(); | |
141 | delete pComp; | |
f23a6e1a | 142 | } |
143 | ||
45c0a780 | 144 | int AliHLT_C_SetRunDescription(const AliHLTRunDesc* desc, const char* runType) |
145 | { | |
f27cf33a | 146 | // set run description |
45c0a780 | 147 | if (!desc) return -EINVAL; |
148 | if (desc->fStructSize<sizeof(AliHLTUInt32_t)) return -EINVAL; | |
149 | if (!gComponentHandler_C) return ENXIO; | |
150 | ||
9a0ef890 | 151 | memcpy(&gRunDesc, desc, desc->fStructSize<sizeof(gRunDesc)?desc->fStructSize:sizeof(gRunDesc)); |
152 | gRunDesc.fStructSize=sizeof(gRunDesc); | |
153 | if (gRunType) delete [] gRunType; | |
154 | gRunType=NULL; | |
155 | if (runType) { | |
156 | gRunType=new char[strlen(runType)+1]; | |
157 | if (gRunType) strcpy(gRunType, runType); | |
158 | } | |
159 | return 0; | |
45c0a780 | 160 | } |
161 | ||
f7561f8d | 162 | int AliHLT_C_ProcessEvent( AliHLTComponentHandle handle, const AliHLTComponentEventData* evtData, const AliHLTComponentBlockData* blocks, |
163 | AliHLTComponentTriggerData* trigData, AliHLTUInt8_t* outputPtr, | |
f23a6e1a | 164 | AliHLTUInt32_t* size, AliHLTUInt32_t* outputBlockCnt, |
f7561f8d | 165 | AliHLTComponentBlockData** outputBlocks, |
166 | AliHLTComponentEventDoneData** edd ) | |
f23a6e1a | 167 | { |
f27cf33a | 168 | // process one event |
f23a6e1a | 169 | if ( !handle ) |
170 | return ENXIO; | |
171 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
71d7c760 | 172 | return comp->ProcessEvent( *evtData, blocks, *trigData, outputPtr, *size, *outputBlockCnt, *outputBlocks, *edd ); |
173 | } | |
174 | ||
f7561f8d | 175 | int AliHLT_C_GetOutputDataType( AliHLTComponentHandle handle, AliHLTComponentDataType* dataType ) |
71d7c760 | 176 | { |
f27cf33a | 177 | // get output data type of a component |
71d7c760 | 178 | if ( !handle ) |
179 | return ENXIO; | |
180 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
181 | *dataType = comp->GetOutputDataType(); | |
182 | return 0; | |
183 | } | |
184 | ||
185 | int AliHLT_C_GetOutputSize( AliHLTComponentHandle handle, unsigned long* constBase, double* inputMultiplier ) | |
186 | { | |
f27cf33a | 187 | // get output data size of a component |
71d7c760 | 188 | if ( !handle ) |
189 | return ENXIO; | |
190 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
191 | comp->GetOutputDataSize( *constBase, *inputMultiplier ); | |
192 | return 0; | |
f23a6e1a | 193 | } |