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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 | |
b22e91eb | 20 | /** @file AliHLT_C_Component_WrapperInterface.cxx |
21 | @author Matthias Richter, Timm Steinbeck | |
22 | @date | |
23 | @brief Pure C interface to the AliRoot HLT component handler | |
24 | */ | |
f23a6e1a | 25 | |
0c0c9d99 | 26 | #if __GNUC__>= 3 |
f23a6e1a | 27 | using namespace std; |
28 | #endif | |
29 | ||
30 | #include "AliHLT_C_Component_WrapperInterface.h" | |
31 | #include "AliHLTComponentHandler.h" | |
32 | #include "AliHLTComponent.h" | |
33 | #include <errno.h> | |
34 | ||
35 | static AliHLTComponentHandler *gComponentHandler_C = NULL; | |
9a0ef890 | 36 | static AliHLTRunDesc gRunDesc=kAliHLTVoidRunDesc; |
37 | static char* gRunType=NULL; | |
f23a6e1a | 38 | |
f7561f8d | 39 | int AliHLT_C_Component_InitSystem( AliHLTComponentEnvironment* comenv ) |
f23a6e1a | 40 | { |
41 | if ( gComponentHandler_C ) | |
42 | { | |
43 | return EINPROGRESS; | |
44 | } | |
9a0ef890 | 45 | |
a3c9b745 | 46 | // July 2008 |
3ff6ace7 | 47 | // Due to a bug in the SimpleComponentWrapper and AliRootWrapperSubscriber |
48 | // the fStructSize member was never initialized and we can not use this | |
a3c9b745 | 49 | // method of synchronizing different versions. |
50 | // This interface is now deprecated, only kept for backward compatibility. | |
51 | // All function pointers are explicitely mapped to the new structure. | |
52 | ||
53 | AliHLTAnalysisEnvironment mappedEnv; | |
54 | memset(&mappedEnv, 0, sizeof(mappedEnv)); | |
55 | mappedEnv.fStructSize=sizeof(mappedEnv); | |
56 | if (comenv) { | |
57 | mappedEnv.fParam = comenv->fParam; | |
58 | mappedEnv.fAllocMemoryFunc = comenv->fAllocMemoryFunc; | |
59 | mappedEnv.fGetEventDoneDataFunc= comenv->fGetEventDoneDataFunc; | |
60 | mappedEnv.fLoggingFunc = comenv->fLoggingFunc; | |
61 | } | |
62 | ||
63 | gComponentHandler_C = new AliHLTComponentHandler(&mappedEnv); | |
f23a6e1a | 64 | if ( !gComponentHandler_C ) |
65 | return EFAULT; | |
a742f6f8 | 66 | gComponentHandler_C->InitAliLogTrap(gComponentHandler_C); |
fa760045 | 67 | gComponentHandler_C->AnnounceVersion(); |
f23a6e1a | 68 | return 0; |
69 | } | |
70 | ||
71 | int AliHLT_C_Component_DeinitSystem() | |
72 | { | |
73 | if ( gComponentHandler_C ) | |
74 | { | |
75 | delete gComponentHandler_C; | |
76 | gComponentHandler_C = NULL; | |
77 | } | |
78 | return 0; | |
79 | } | |
80 | ||
81 | int AliHLT_C_Component_LoadLibrary( const char* libraryPath ) | |
82 | { | |
83 | if ( !gComponentHandler_C ) | |
84 | return ENXIO; | |
85 | return gComponentHandler_C->LoadLibrary( libraryPath ); | |
86 | } | |
87 | ||
d76bc02a | 88 | int AliHLT_C_Component_UnloadLibrary( const char* /*libraryPath*/ ) |
f23a6e1a | 89 | { |
90 | if ( !gComponentHandler_C ) | |
91 | return ENXIO; | |
cbd84228 | 92 | // Matthias 26.10.2007 |
93 | // Unloading of libraries has to be re-worked. It has been commented out here | |
94 | // since the libraries will be unloaded at the destruction of the component | |
95 | // handler instance anyway. So it has no effect to the operation in PubSub. | |
96 | // With the introduction of the dynamic component registration via module | |
97 | // agents we run into trouble when cleaning up the samples managed by the | |
98 | // component handler. Destruction of the sample objects is done AFTER | |
99 | // unloading of the library and thus the destructor is not present any | |
100 | // more. | |
101 | //return gComponentHandler_C->UnloadLibrary( libraryPath ); | |
102 | return 0; | |
f23a6e1a | 103 | } |
104 | ||
f7561f8d | 105 | int AliHLT_C_CreateComponent( const char* componentType, void* environParam, int argc, const char** argv, AliHLTComponentHandle* handle ) |
f23a6e1a | 106 | { |
107 | if ( !gComponentHandler_C ) | |
108 | return ENXIO; | |
3294f81a | 109 | if ( !handle ) return EINVAL; |
b2065764 | 110 | AliHLTComponent* comp=NULL; |
111 | const char* cdbPath = getenv("ALIHLT_HCDBDIR"); | |
112 | if (!cdbPath) cdbPath = getenv("ALICE_ROOT"); | |
f323c990 | 113 | int ret = gComponentHandler_C->CreateComponent( componentType, comp); |
9a0ef890 | 114 | if (ret>=0 && comp) { |
115 | comp->InitCDB(cdbPath, gComponentHandler_C); | |
116 | comp->SetRunDescription(&gRunDesc, gRunType); | |
a3c9b745 | 117 | const AliHLTAnalysisEnvironment* comenv=gComponentHandler_C->GetEnvironment(); |
9a0ef890 | 118 | ret=comp->Init(comenv, environParam, argc, argv); |
119 | } | |
f23a6e1a | 120 | *handle = reinterpret_cast<AliHLTComponentHandle>( comp ); |
3294f81a | 121 | |
f23a6e1a | 122 | return ret; |
123 | } | |
124 | ||
125 | void AliHLT_C_DestroyComponent( AliHLTComponentHandle handle ) | |
126 | { | |
127 | if ( !handle ) | |
128 | return; | |
3cde846d | 129 | |
130 | AliHLTComponent* pComp=reinterpret_cast<AliHLTComponent*>( handle ); | |
131 | pComp->Deinit(); | |
132 | delete pComp; | |
f23a6e1a | 133 | } |
134 | ||
45c0a780 | 135 | int AliHLT_C_SetRunDescription(const AliHLTRunDesc* desc, const char* runType) |
136 | { | |
137 | if (!desc) return -EINVAL; | |
138 | if (desc->fStructSize<sizeof(AliHLTUInt32_t)) return -EINVAL; | |
139 | if (!gComponentHandler_C) return ENXIO; | |
140 | ||
9a0ef890 | 141 | memcpy(&gRunDesc, desc, desc->fStructSize<sizeof(gRunDesc)?desc->fStructSize:sizeof(gRunDesc)); |
142 | gRunDesc.fStructSize=sizeof(gRunDesc); | |
143 | if (gRunType) delete [] gRunType; | |
144 | gRunType=NULL; | |
145 | if (runType) { | |
146 | gRunType=new char[strlen(runType)+1]; | |
147 | if (gRunType) strcpy(gRunType, runType); | |
148 | } | |
149 | return 0; | |
45c0a780 | 150 | } |
151 | ||
f7561f8d | 152 | int AliHLT_C_ProcessEvent( AliHLTComponentHandle handle, const AliHLTComponentEventData* evtData, const AliHLTComponentBlockData* blocks, |
153 | AliHLTComponentTriggerData* trigData, AliHLTUInt8_t* outputPtr, | |
f23a6e1a | 154 | AliHLTUInt32_t* size, AliHLTUInt32_t* outputBlockCnt, |
f7561f8d | 155 | AliHLTComponentBlockData** outputBlocks, |
156 | AliHLTComponentEventDoneData** edd ) | |
f23a6e1a | 157 | { |
158 | if ( !handle ) | |
159 | return ENXIO; | |
160 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
71d7c760 | 161 | return comp->ProcessEvent( *evtData, blocks, *trigData, outputPtr, *size, *outputBlockCnt, *outputBlocks, *edd ); |
162 | } | |
163 | ||
f7561f8d | 164 | int AliHLT_C_GetOutputDataType( AliHLTComponentHandle handle, AliHLTComponentDataType* dataType ) |
71d7c760 | 165 | { |
166 | if ( !handle ) | |
167 | return ENXIO; | |
168 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
169 | *dataType = comp->GetOutputDataType(); | |
170 | return 0; | |
171 | } | |
172 | ||
173 | int AliHLT_C_GetOutputSize( AliHLTComponentHandle handle, unsigned long* constBase, double* inputMultiplier ) | |
174 | { | |
175 | if ( !handle ) | |
176 | return ENXIO; | |
177 | AliHLTComponent* comp = reinterpret_cast<AliHLTComponent*>( handle ); | |
178 | comp->GetOutputDataSize( *constBase, *inputMultiplier ); | |
179 | return 0; | |
f23a6e1a | 180 | } |