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f23a6e1a | 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. * | |
f23a6e1a | 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. * | |
f23a6e1a | 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 | ||
28cd9358 | 20 | /// @file AliHLTComponentHandler.cxx |
21 | /// @author Matthias Richter, Timm Steinbeck | |
22 | /// @date | |
23 | /// @brief Implementation of HLT component handler. | |
24 | /// | |
f23a6e1a | 25 | |
7bcd6cad | 26 | // see header file for class documentation |
27 | // or | |
28 | // refer to README to build package | |
29 | // or | |
30 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
31 | ||
0c0c9d99 | 32 | #if __GNUC__>= 3 |
f23a6e1a | 33 | using namespace std; |
34 | #endif | |
53feaef5 | 35 | //#undef HAVE_DLFCN_H |
36 | #ifdef HAVE_DLFCN_H | |
f23a6e1a | 37 | #include <dlfcn.h> |
53feaef5 | 38 | #else |
39 | //#include <Riostream.h> | |
40 | #include <TSystem.h> | |
41 | #endif //HAVE_DLFCN_H | |
5df0cbb9 | 42 | //#include "AliHLTStdIncludes.h" |
f23a6e1a | 43 | #include "AliHLTComponentHandler.h" |
44 | #include "AliHLTComponent.h" | |
45 | #include "AliHLTDataTypes.h" | |
f3506ea2 | 46 | #include "AliHLTModuleAgent.h" |
5df0cbb9 | 47 | #include "TString.h" |
f23a6e1a | 48 | |
b22e91eb | 49 | /** ROOT macro for the implementation of ROOT specific class methods */ |
f23a6e1a | 50 | ClassImp(AliHLTComponentHandler) |
51 | ||
52 | AliHLTComponentHandler::AliHLTComponentHandler() | |
85869391 | 53 | : |
54 | fComponentList(), | |
55 | fScheduleList(), | |
56 | fLibraryList(), | |
9ce4bf4a | 57 | fEnvironment(), |
620fcee6 | 58 | fOwnedComponents(), |
45c0a780 | 59 | fLibraryMode(kDynamic), |
60 | fRunDesc(kAliHLTVoidRunDesc), | |
61 | fRunType(NULL) | |
f23a6e1a | 62 | { |
70ed7d01 | 63 | // see header file for class documentation |
64 | // or | |
65 | // refer to README to build package | |
66 | // or | |
67 | // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt | |
a3c9b745 | 68 | memset(&fEnvironment, 0, sizeof(AliHLTAnalysisEnvironment)); |
69 | fEnvironment.fStructSize=sizeof(AliHLTAnalysisEnvironment); | |
9ce4bf4a | 70 | AddStandardComponents(); |
f23a6e1a | 71 | } |
72 | ||
a3c9b745 | 73 | AliHLTComponentHandler::AliHLTComponentHandler(AliHLTAnalysisEnvironment* pEnv) |
3cde846d | 74 | : |
298ef463 | 75 | AliHLTLogging(), |
3cde846d | 76 | fComponentList(), |
77 | fScheduleList(), | |
78 | fLibraryList(), | |
79 | fEnvironment(), | |
620fcee6 | 80 | fOwnedComponents(), |
45c0a780 | 81 | fLibraryMode(kDynamic), |
82 | fRunDesc(kAliHLTVoidRunDesc), | |
83 | fRunType(NULL) | |
3cde846d | 84 | { |
70ed7d01 | 85 | // see header file for class documentation |
3cde846d | 86 | if (pEnv) { |
a3c9b745 | 87 | memcpy(&fEnvironment, pEnv, sizeof(AliHLTAnalysisEnvironment)); |
fa274626 | 88 | if (pEnv->fLoggingFunc) { |
89 | // the AliHLTLogging::Init method also sets the stream output | |
90 | // and notification handler to AliLog. This should only be done | |
91 | // if the logging environment contains a logging function | |
92 | // for redirection | |
93 | AliHLTLogging::Init(pEnv->fLoggingFunc); | |
94 | } | |
f3506ea2 | 95 | } else { |
a3c9b745 | 96 | memset(&fEnvironment, 0, sizeof(AliHLTAnalysisEnvironment)); |
97 | fEnvironment.fStructSize=sizeof(AliHLTAnalysisEnvironment); | |
f3506ea2 | 98 | } |
99 | //#ifndef __DEBUG | |
100 | //SetLocalLoggingLevel(kHLTLogError); | |
101 | //#else | |
102 | //SetLocalLoggingLevel(kHLTLogInfo); | |
103 | //#endif | |
104 | ||
3cde846d | 105 | AddStandardComponents(); |
106 | } | |
107 | ||
f23a6e1a | 108 | AliHLTComponentHandler::~AliHLTComponentHandler() |
109 | { | |
70ed7d01 | 110 | // see header file for class documentation |
cbd84228 | 111 | DeleteOwnedComponents(); |
a742f6f8 | 112 | UnloadLibraries(); |
45c0a780 | 113 | if (fRunType) delete [] fRunType; |
114 | fRunType=NULL; | |
f23a6e1a | 115 | } |
116 | ||
b005ef92 | 117 | AliHLTComponentHandler* AliHLTComponentHandler::fgpInstance=NULL; |
118 | int AliHLTComponentHandler::fgNofInstances=0; | |
119 | ||
120 | AliHLTComponentHandler* AliHLTComponentHandler::CreateHandler() | |
121 | { | |
122 | // see header file for class documentation | |
123 | if (!fgpInstance) fgpInstance=new AliHLTComponentHandler; | |
124 | fgNofInstances++; | |
125 | return fgpInstance; | |
126 | } | |
127 | ||
128 | int AliHLTComponentHandler::Destroy() | |
129 | { | |
153e7db5 | 130 | // destroy/delete 'this', checks if 'this' pointer is the global instance, |
131 | // reduce the instance counter and delete if there are no instances left | |
132 | // IMPORTANT: the object must be considered self-destroyed after the function | |
b005ef92 | 133 | int nofInstances=0; |
134 | if (fgpInstance==this) { | |
153e7db5 | 135 | nofInstances=--fgNofInstances; |
b005ef92 | 136 | } |
153e7db5 | 137 | if (fgNofInstances==0) fgpInstance=NULL; |
b005ef92 | 138 | if (nofInstances==0) delete this; |
139 | return nofInstances; | |
140 | } | |
141 | ||
fa760045 | 142 | int AliHLTComponentHandler::AnnounceVersion() |
143 | { | |
70ed7d01 | 144 | // see header file for class documentation |
fa760045 | 145 | int iResult=0; |
146 | #ifdef PACKAGE_STRING | |
179be78e | 147 | extern void HLTbaseCompileInfo( const char*& date, const char*& time); |
148 | const char* date=""; | |
149 | const char* time=""; | |
fa760045 | 150 | HLTbaseCompileInfo(date, time); |
151 | if (!date) date="unknown"; | |
152 | if (!time) time="unknown"; | |
b2065764 | 153 | HLTImportant("%s build on %s (%s)", PACKAGE_STRING, date, time); |
fa760045 | 154 | #else |
b2065764 | 155 | HLTImportant("ALICE High Level Trigger build on %s (%s) (embedded AliRoot build)", __DATE__, __TIME__); |
fa760045 | 156 | #endif |
157 | return iResult; | |
158 | } | |
159 | ||
f3506ea2 | 160 | Int_t AliHLTComponentHandler::AddComponent(AliHLTComponent* pSample) |
161 | { | |
162 | // see header file for class documentation | |
163 | Int_t iResult=0; | |
cbd84228 | 164 | if (pSample==NULL) return -EINVAL; |
f3506ea2 | 165 | if ((iResult=RegisterComponent(pSample))>=0) { |
cbd84228 | 166 | //HLTDebug("sample %s (%p) managed by handler", pSample->GetComponentID(), pSample); |
f3506ea2 | 167 | fOwnedComponents.push_back(pSample); |
168 | } | |
169 | return iResult; | |
170 | } | |
171 | ||
f23a6e1a | 172 | Int_t AliHLTComponentHandler::RegisterComponent(AliHLTComponent* pSample) |
173 | { | |
70ed7d01 | 174 | // see header file for class documentation |
f23a6e1a | 175 | Int_t iResult=0; |
176 | if (pSample) { | |
177 | if (FindComponent(pSample->GetComponentID())==NULL) { | |
178 | iResult=InsertComponent(pSample); | |
179 | if (iResult>=0) { | |
85465857 | 180 | HLTInfo("component %s registered", pSample->GetComponentID()); |
f23a6e1a | 181 | } |
182 | } else { | |
183 | // component already registered | |
fa760045 | 184 | HLTDebug("component %s already registered, skipped", pSample->GetComponentID()); |
f23a6e1a | 185 | iResult=-EEXIST; |
186 | } | |
187 | } else { | |
188 | iResult=-EINVAL; | |
189 | } | |
190 | return iResult; | |
191 | } | |
192 | ||
193 | int AliHLTComponentHandler::DeregisterComponent( const char* componentID ) | |
194 | { | |
70ed7d01 | 195 | // see header file for class documentation |
5df0cbb9 | 196 | |
53feaef5 | 197 | int iResult=0; |
198 | if (componentID) { | |
5df0cbb9 | 199 | HLTWarning("not yet implemented, please notify the developers if you need this function"); |
53feaef5 | 200 | } else { |
201 | iResult=-EINVAL; | |
202 | } | |
203 | return iResult; | |
f23a6e1a | 204 | } |
205 | ||
206 | Int_t AliHLTComponentHandler::ScheduleRegister(AliHLTComponent* pSample) | |
207 | { | |
70ed7d01 | 208 | // see header file for class documentation |
f23a6e1a | 209 | Int_t iResult=0; |
210 | if (pSample) { | |
211 | fScheduleList.push_back(pSample); | |
212 | } else { | |
213 | iResult=-EINVAL; | |
214 | } | |
215 | return iResult; | |
216 | } | |
217 | ||
9a0ef890 | 218 | int AliHLTComponentHandler::CreateComponent(const char* componentID, void* pEnvParam, int argc, const char** argv, AliHLTComponent*& component) |
219 | { | |
220 | // see header file for class documentation | |
221 | int iResult=CreateComponent(componentID, component); | |
222 | if (iResult>=0 && component) { | |
223 | HLTDebug("component \"%s\" created (%p)", componentID, component); | |
224 | if ((iResult=component->Init(&fEnvironment, pEnvParam, argc, argv))!=0) { | |
225 | HLTError("Initialization of component \"%s\" failed with error %d", componentID, iResult); | |
226 | delete component; | |
227 | component=NULL; | |
228 | } | |
229 | } | |
230 | return iResult; | |
231 | } | |
232 | ||
233 | int AliHLTComponentHandler::CreateComponent(const char* componentID, AliHLTComponent*& component ) | |
f23a6e1a | 234 | { |
70ed7d01 | 235 | // see header file for class documentation |
f23a6e1a | 236 | int iResult=0; |
237 | if (componentID) { | |
238 | AliHLTComponent* pSample=FindComponent(componentID); | |
239 | if (pSample!=NULL) { | |
240 | component=pSample->Spawn(); | |
241 | if (component) { | |
85465857 | 242 | HLTDebug("component \"%s\" created (%p)", componentID, component); |
5ec8e281 | 243 | } else { |
85465857 | 244 | HLTError("can not spawn component \"%s\"", componentID); |
5ec8e281 | 245 | iResult=-ENOENT; |
f23a6e1a | 246 | } |
5ec8e281 | 247 | } else { |
85465857 | 248 | HLTWarning("can not find component \"%s\"", componentID); |
5ec8e281 | 249 | iResult=-ENOENT; |
f23a6e1a | 250 | } |
251 | } else { | |
252 | iResult=-EINVAL; | |
253 | } | |
254 | return iResult; | |
255 | } | |
256 | ||
db16520a | 257 | Int_t AliHLTComponentHandler::FindComponentIndex(const char* componentID) |
f23a6e1a | 258 | { |
70ed7d01 | 259 | // see header file for class documentation |
f23a6e1a | 260 | Int_t iResult=0; |
261 | if (componentID) { | |
7bcd6cad | 262 | AliHLTComponentPList::iterator element=fComponentList.begin(); |
f23a6e1a | 263 | while (element!=fComponentList.end() && iResult>=0) { |
264 | if (strcmp(componentID, (*element)->GetComponentID())==0) { | |
265 | break; | |
266 | } | |
267 | element++; | |
268 | iResult++; | |
269 | } | |
270 | if (element==fComponentList.end()) iResult=-ENOENT; | |
271 | } else { | |
272 | iResult=-EINVAL; | |
273 | } | |
274 | return iResult; | |
275 | } | |
276 | ||
db16520a | 277 | AliHLTComponent* AliHLTComponentHandler::FindComponent(const char* componentID) |
f23a6e1a | 278 | { |
70ed7d01 | 279 | // see header file for class documentation |
f23a6e1a | 280 | AliHLTComponent* pSample=NULL; |
281 | Int_t index=FindComponentIndex(componentID); | |
282 | if (index>=0) { | |
283 | pSample=(AliHLTComponent*)fComponentList.at(index); | |
284 | } | |
285 | return pSample; | |
286 | } | |
287 | ||
288 | Int_t AliHLTComponentHandler::InsertComponent(AliHLTComponent* pSample) | |
289 | { | |
70ed7d01 | 290 | // see header file for class documentation |
f23a6e1a | 291 | Int_t iResult=0; |
292 | if (pSample!=NULL) { | |
293 | fComponentList.push_back(pSample); | |
294 | } else { | |
295 | iResult=-EINVAL; | |
296 | } | |
297 | return iResult; | |
298 | } | |
299 | ||
70ed7d01 | 300 | void AliHLTComponentHandler::List() |
301 | { | |
302 | // see header file for class documentation | |
7bcd6cad | 303 | AliHLTComponentPList::iterator element=fComponentList.begin(); |
f23a6e1a | 304 | int index=0; |
305 | while (element!=fComponentList.end()) { | |
85465857 | 306 | HLTInfo("%d. %s", index++, (*element++)->GetComponentID()); |
f23a6e1a | 307 | } |
308 | } | |
309 | ||
f3506ea2 | 310 | int AliHLTComponentHandler::HasOutputData( const char* componentID) |
311 | { | |
312 | // see header file for class documentation | |
313 | int iResult=0; | |
314 | AliHLTComponent* pSample=FindComponent(componentID); | |
315 | if (pSample) { | |
316 | AliHLTComponent::TComponentType ct=AliHLTComponent::kUnknown; | |
317 | ct=pSample->GetComponentType(); | |
318 | iResult=(ct==AliHLTComponent::kSource || ct==AliHLTComponent::kProcessor); | |
319 | } else { | |
320 | iResult=-ENOENT; | |
321 | } | |
322 | return iResult; | |
323 | } | |
324 | ||
a3c9b745 | 325 | void AliHLTComponentHandler::SetEnvironment(AliHLTAnalysisEnvironment* pEnv) |
70ed7d01 | 326 | { |
327 | // see header file for class documentation | |
f23a6e1a | 328 | if (pEnv) { |
a3c9b745 | 329 | memset(&fEnvironment, 0, sizeof(AliHLTAnalysisEnvironment)); |
330 | memcpy(&fEnvironment, pEnv, pEnv->fStructSize<sizeof(AliHLTAnalysisEnvironment)?pEnv->fStructSize:sizeof(AliHLTAnalysisEnvironment)); | |
331 | fEnvironment.fStructSize=sizeof(AliHLTAnalysisEnvironment); | |
fa274626 | 332 | if (fEnvironment.fLoggingFunc) { |
333 | // the AliHLTLogging::Init method also sets the stream output | |
334 | // and notification handler to AliLog. This should only be done | |
335 | // if the logging environment contains a logging function | |
336 | // for redirection | |
337 | AliHLTLogging::Init(fEnvironment.fLoggingFunc); | |
338 | } | |
f23a6e1a | 339 | } |
340 | } | |
341 | ||
dba03d72 | 342 | AliHLTComponentHandler::TLibraryMode AliHLTComponentHandler::SetLibraryMode(TLibraryMode mode) |
343 | { | |
344 | // see header file for class documentation | |
345 | TLibraryMode old=fLibraryMode; | |
346 | fLibraryMode=mode; | |
347 | return old; | |
348 | } | |
349 | ||
f3506ea2 | 350 | int AliHLTComponentHandler::LoadLibrary( const char* libraryPath, int bActivateAgents) |
f23a6e1a | 351 | { |
70ed7d01 | 352 | // see header file for class documentation |
f23a6e1a | 353 | int iResult=0; |
354 | if (libraryPath) { | |
7dbfa7c9 | 355 | TString libName=libraryPath; |
356 | int slash=-1; | |
357 | while ((slash=libName.Index("/"))>=0) { | |
358 | libName=libName.Remove(0, slash+1); | |
359 | } | |
360 | libName.ReplaceAll(".so",""); | |
f3506ea2 | 361 | |
362 | // set the global component handler for static component registration | |
f23a6e1a | 363 | AliHLTComponent::SetGlobalComponentHandler(this); |
f3506ea2 | 364 | |
c215072c | 365 | AliHLTLibHandle hLib; |
d4a18597 | 366 | AliHLTLibHandle* phSearch=FindLibrary(libraryPath); |
85f0cede | 367 | const char* loadtype=""; |
53feaef5 | 368 | #ifdef HAVE_DLFCN_H |
369 | // use interface to the dynamic linking loader | |
13398559 | 370 | |
371 | // exeption does not help in Root context, the Root exeption | |
372 | // handler always catches the exeption before. Have to find out | |
373 | // how exeptions can be used in Root | |
374 | /*try*/ { | |
f3506ea2 | 375 | hLib.fHandle=dlopen(libraryPath, RTLD_NOW); |
376 | loadtype="dlopen"; | |
377 | } | |
13398559 | 378 | /* |
f3506ea2 | 379 | catch (...) { |
380 | // error message printed further down | |
381 | loadtype="dlopen exeption"; | |
382 | } | |
13398559 | 383 | */ |
53feaef5 | 384 | #else |
385 | // use ROOT dynamic loader | |
c215072c | 386 | // check if the library was already loaded, as Load returns |
387 | // 'failure' if the library was already loaded | |
13398559 | 388 | /*try*/ { |
d4a18597 | 389 | if (phSearch) { |
390 | int* pRootHandle=reinterpret_cast<int*>(phSearch->fHandle); | |
c215072c | 391 | (*pRootHandle)++; |
392 | HLTDebug("instance %d of library %s loaded", (*pRootHandle), libraryPath); | |
5df0cbb9 | 393 | hLib.fHandle=pRootHandle; |
c215072c | 394 | } |
395 | ||
107e2b1c | 396 | if (hLib.fHandle==NULL && gSystem->Load(libraryPath)>=0) { |
c215072c | 397 | int* pRootHandle=new int; |
398 | if (pRootHandle) *pRootHandle=1; | |
5df0cbb9 | 399 | hLib.fHandle=pRootHandle; |
85f0cede | 400 | //HLTDebug("library %s loaded via gSystem", libraryPath); |
53feaef5 | 401 | } |
85f0cede | 402 | loadtype="gSystem"; |
f3506ea2 | 403 | } |
13398559 | 404 | /* |
f3506ea2 | 405 | catch (...) { |
406 | // error message printed further down | |
407 | loadtype="gSystem exeption"; | |
408 | } | |
13398559 | 409 | */ |
53feaef5 | 410 | #endif //HAVE_DLFCN_H |
5df0cbb9 | 411 | if (hLib.fHandle!=NULL) { |
c215072c | 412 | // create TString object to store library path and use pointer as handle |
5df0cbb9 | 413 | hLib.fName=new TString(libraryPath); |
dba03d72 | 414 | hLib.fMode=fLibraryMode; |
c215072c | 415 | fLibraryList.insert(fLibraryList.begin(), hLib); |
d4a18597 | 416 | if (!phSearch) { |
179be78e | 417 | typedef void (*CompileInfo)(const char*& date, const char*& time); |
842fd76a | 418 | CompileInfo fctInfo=(CompileInfo)FindSymbol(libraryPath, "CompileInfo"); |
7dbfa7c9 | 419 | const char* date=""; |
420 | const char* time=""; | |
421 | const char* buildOn=""; | |
842fd76a | 422 | if (fctInfo) { |
7dbfa7c9 | 423 | buildOn=" build on "; |
842fd76a | 424 | (*fctInfo)(date, time); |
425 | if (!date) date="unknown"; | |
426 | if (!time) time="unknown"; | |
842fd76a | 427 | } |
7dbfa7c9 | 428 | HLTImportant("using %s plugin%s%s %s (%s%s)", libraryPath, buildOn, date, time, hLib.fMode==kStatic?"persistent, ":"", loadtype); |
d4a18597 | 429 | } |
f3506ea2 | 430 | |
431 | // static registration of components when library is loaded | |
9ce4bf4a | 432 | iResult=RegisterScheduledComponents(); |
f3506ea2 | 433 | |
f23a6e1a | 434 | } else { |
f3506ea2 | 435 | HLTError("can not load library %s (%s)", libraryPath, loadtype); |
53feaef5 | 436 | #ifdef HAVE_DLFCN_H |
85465857 | 437 | HLTError("dlopen error: %s", dlerror()); |
53feaef5 | 438 | #endif //HAVE_DLFCN_H |
0fe88043 | 439 | #ifdef __APPLE__ |
440 | iResult=-EFTYPE; | |
441 | #else | |
f23a6e1a | 442 | iResult=-ELIBACC; |
0fe88043 | 443 | #endif |
f23a6e1a | 444 | } |
2bbbadd1 | 445 | AliHLTComponent::UnsetGlobalComponentHandler(); |
f3506ea2 | 446 | |
447 | if (iResult>=0) { | |
448 | // alternative dynamic registration by library agents | |
449 | // !!! has to be done after UnsetGlobalComponentHandler | |
7dbfa7c9 | 450 | if (bActivateAgents) ActivateAgents(libName.Data()); |
f3506ea2 | 451 | } |
452 | ||
f23a6e1a | 453 | } else { |
454 | iResult=-EINVAL; | |
455 | } | |
456 | return iResult; | |
457 | } | |
458 | ||
459 | int AliHLTComponentHandler::UnloadLibrary( const char* libraryPath ) | |
460 | { | |
70ed7d01 | 461 | // see header file for class documentation |
f23a6e1a | 462 | int iResult=0; |
53feaef5 | 463 | if (libraryPath) { |
a742f6f8 | 464 | vector<AliHLTLibHandle>::iterator element=fLibraryList.begin(); |
465 | while (element!=fLibraryList.end()) { | |
5df0cbb9 | 466 | TString* pName=reinterpret_cast<TString*>((*element).fName); |
a742f6f8 | 467 | if (pName->CompareTo(libraryPath)==0) { |
468 | UnloadLibrary(*element); | |
469 | fLibraryList.erase(element); | |
470 | break; | |
471 | } | |
472 | element++; | |
473 | } | |
53feaef5 | 474 | } else { |
475 | iResult=-EINVAL; | |
476 | } | |
f23a6e1a | 477 | return iResult; |
478 | } | |
479 | ||
a742f6f8 | 480 | int AliHLTComponentHandler::UnloadLibrary(AliHLTComponentHandler::AliHLTLibHandle &handle) |
f23a6e1a | 481 | { |
70ed7d01 | 482 | // see header file for class documentation |
f23a6e1a | 483 | int iResult=0; |
a742f6f8 | 484 | fgAliLoggingFunc=NULL; |
5df0cbb9 | 485 | TString* pName=reinterpret_cast<TString*>(handle.fName); |
dba03d72 | 486 | if (handle.fMode!=kStatic) { |
53feaef5 | 487 | #ifdef HAVE_DLFCN_H |
13398559 | 488 | // exeption does not help in Root context, the Root exeption |
489 | // handler always catches the exeption before. Have to find out | |
490 | // how exeptions can be used in Root | |
491 | ||
492 | /*try*/ { | |
f3506ea2 | 493 | dlclose(handle.fHandle); |
494 | } | |
13398559 | 495 | /* |
f3506ea2 | 496 | catch (...) { |
497 | HLTError("exeption caught during dlclose of library %s", pName!=NULL?pName->Data():""); | |
498 | } | |
13398559 | 499 | */ |
53feaef5 | 500 | #else |
5df0cbb9 | 501 | int* pCount=reinterpret_cast<int*>(handle.fHandle); |
a742f6f8 | 502 | if (--(*pCount)==0) { |
c215072c | 503 | if (pName) { |
a7222a6d | 504 | /** Matthias 26.04.2007 |
505 | * I spent about a week to investigate a bug which seems to be in ROOT. | |
506 | * Under certain circumstances, TSystem::Unload crashes. The crash occured | |
507 | * for the first time, when libAliHLTUtil was loaded from AliHLTSystem right | |
508 | * after the ComponentHandler was created. It does not occur when dlopen is | |
509 | * used. | |
510 | * It has most likely to do with the garbage collection and automatic | |
511 | * cleanup in ROOT. The crash occurs when ROOT is terminated and before | |
512 | * an instance of AliHLTSystem was created. | |
513 | * root [0] AliHLTSystem gHLT | |
514 | * It does not occur when the instance was created dynamically (but not even | |
515 | * deleted) | |
516 | * root [0] AliHLTSystem* gHLT=new AliHLTSystem | |
517 | * | |
518 | * For that reason, the libraries are not unloaded here, even though there | |
519 | * will be memory leaks. | |
a742f6f8 | 520 | gSystem->Unload(pName->Data()); |
a7222a6d | 521 | */ |
a742f6f8 | 522 | } |
523 | else { | |
524 | HLTError("missing library name, can not unload"); | |
c215072c | 525 | } |
a742f6f8 | 526 | delete pCount; |
527 | } | |
528 | #endif //HAVE_DLFCN_H | |
a742f6f8 | 529 | if (pName) { |
530 | HLTDebug("unload library %s", pName->Data()); | |
a742f6f8 | 531 | } else { |
532 | HLTWarning("missing name for unloaded library"); | |
533 | } | |
dba03d72 | 534 | } |
535 | handle.fName=NULL; | |
536 | handle.fHandle=NULL; | |
537 | if (pName) { | |
538 | delete pName; | |
539 | } | |
a742f6f8 | 540 | pName=NULL; |
541 | return iResult; | |
542 | } | |
543 | ||
544 | int AliHLTComponentHandler::UnloadLibraries() | |
545 | { | |
546 | // see header file for class documentation | |
547 | int iResult=0; | |
548 | vector<AliHLTLibHandle>::iterator element=fLibraryList.begin(); | |
549 | while (element!=fLibraryList.end()) { | |
550 | UnloadLibrary(*element); | |
c215072c | 551 | fLibraryList.erase(element); |
552 | element=fLibraryList.begin(); | |
f23a6e1a | 553 | } |
554 | return iResult; | |
555 | } | |
9ce4bf4a | 556 | |
f331e6c5 | 557 | AliHLTfctVoid AliHLTComponentHandler::FindSymbol(const char* library, const char* symbol) |
85f0cede | 558 | { |
559 | // see header file for class documentation | |
560 | AliHLTLibHandle* hLib=FindLibrary(library); | |
561 | if (hLib==NULL) return NULL; | |
d93ec7ca | 562 | void (*pFunc)()=NULL; |
85f0cede | 563 | #ifdef HAVE_DLFCN_H |
d93ec7ca | 564 | pFunc=(void (*)())dlsym(hLib->fHandle, symbol); |
85f0cede | 565 | #else |
5df0cbb9 | 566 | TString* name=reinterpret_cast<TString*>(hLib->fName); |
d93ec7ca | 567 | pFunc=(void (*)())gSystem->DynFindSymbol(name->Data(), symbol); |
85f0cede | 568 | #endif |
569 | return pFunc; | |
570 | } | |
571 | ||
572 | AliHLTComponentHandler::AliHLTLibHandle* AliHLTComponentHandler::FindLibrary(const char* library) | |
573 | { | |
574 | // see header file for class documentation | |
575 | AliHLTLibHandle* hLib=NULL; | |
576 | vector<AliHLTLibHandle>::iterator element=fLibraryList.begin(); | |
577 | while (element!=fLibraryList.end()) { | |
5df0cbb9 | 578 | TString* name=reinterpret_cast<TString*>((*element).fName); |
85f0cede | 579 | if (name->CompareTo(library)==0) { |
580 | hLib=&(*element); | |
581 | break; | |
582 | } | |
583 | element++; | |
584 | } | |
585 | return hLib; | |
586 | } | |
587 | ||
9ce4bf4a | 588 | int AliHLTComponentHandler::AddStandardComponents() |
589 | { | |
70ed7d01 | 590 | // see header file for class documentation |
9ce4bf4a | 591 | int iResult=0; |
592 | AliHLTComponent::SetGlobalComponentHandler(this); | |
9ce4bf4a | 593 | AliHLTComponent::UnsetGlobalComponentHandler(); |
594 | iResult=RegisterScheduledComponents(); | |
595 | return iResult; | |
596 | } | |
597 | ||
598 | int AliHLTComponentHandler::RegisterScheduledComponents() | |
599 | { | |
70ed7d01 | 600 | // see header file for class documentation |
9ce4bf4a | 601 | int iResult=0; |
7bcd6cad | 602 | AliHLTComponentPList::iterator element=fScheduleList.begin(); |
9ce4bf4a | 603 | int iLocalResult=0; |
604 | while (element!=fScheduleList.end()) { | |
605 | iLocalResult=RegisterComponent(*element); | |
606 | if (iResult==0) iResult=iLocalResult; | |
607 | fScheduleList.erase(element); | |
608 | element=fScheduleList.begin(); | |
609 | } | |
610 | return iResult; | |
611 | } | |
612 | ||
7dbfa7c9 | 613 | int AliHLTComponentHandler::ActivateAgents(const char* library, const char* blackList) |
f3506ea2 | 614 | { |
615 | // see header file for class documentation | |
7dbfa7c9 | 616 | vector<AliHLTModuleAgent*> agents; |
617 | for (AliHLTModuleAgent* pAgent=AliHLTModuleAgent::GetFirstAgent(); | |
9ebd6403 | 618 | pAgent!=NULL; |
7dbfa7c9 | 619 | pAgent=AliHLTModuleAgent::GetNextAgent()) { |
620 | ||
621 | // check if we found the agent for the specified library | |
622 | if (library) { | |
623 | TString check="libAliHLT"; check+=pAgent->GetModuleId(); | |
624 | if (check.CompareTo(library)==0) { | |
625 | agents.clear(); | |
626 | agents.push_back(pAgent); | |
627 | break; | |
f3506ea2 | 628 | } |
7dbfa7c9 | 629 | } |
630 | ||
631 | // check if the current agent is in the black list | |
632 | if (blackList) { | |
585525d0 | 633 | const char* found=strstr(blackList, pAgent->GetModuleId()); |
7dbfa7c9 | 634 | if (found) { |
635 | found+=strlen(pAgent->GetModuleId()); | |
636 | // skip this agent as it is in the blacklist | |
637 | if (*found==0 or *found==' ') continue; | |
f3506ea2 | 638 | } |
639 | } | |
7dbfa7c9 | 640 | agents.push_back(pAgent); |
641 | } | |
f3506ea2 | 642 | |
7dbfa7c9 | 643 | for (vector<AliHLTModuleAgent*>::iterator element=agents.begin(); |
644 | element!=agents.end(); element++) { | |
645 | (*element)->ActivateComponentHandler(this); | |
f3506ea2 | 646 | } |
7dbfa7c9 | 647 | |
648 | return agents.size(); | |
f3506ea2 | 649 | } |
650 | ||
cbd84228 | 651 | int AliHLTComponentHandler::DeleteOwnedComponents() |
9ce4bf4a | 652 | { |
70ed7d01 | 653 | // see header file for class documentation |
9ce4bf4a | 654 | int iResult=0; |
7bcd6cad | 655 | AliHLTComponentPList::iterator element=fOwnedComponents.begin(); |
f3506ea2 | 656 | while (element!=fOwnedComponents.end()) { |
5df0cbb9 | 657 | //DeregisterComponent((*element)->GetComponentID()); |
13398559 | 658 | // exeption does not help in Root context, the Root exeption |
659 | // handler always catches the exeption before. Have to find out | |
660 | // how exeptions can be used in Root | |
661 | /*try*/ { | |
cbd84228 | 662 | delete *element; |
663 | } | |
13398559 | 664 | /* |
cbd84228 | 665 | catch (...) { |
666 | HLTError("delete managed sample %p", *element); | |
667 | } | |
13398559 | 668 | */ |
f3506ea2 | 669 | fOwnedComponents.erase(element); |
670 | element=fOwnedComponents.begin(); | |
9ce4bf4a | 671 | } |
672 | return iResult; | |
673 | } | |
45c0a780 | 674 | |
675 | int AliHLTComponentHandler::SetRunDescription(const AliHLTRunDesc* desc, const char* runType) | |
676 | { | |
677 | // see header file for class documentation | |
678 | if (!desc) return -EINVAL; | |
679 | if (desc->fStructSize!=sizeof(AliHLTRunDesc)) { | |
680 | HLTError("invalid size of RunDesc struct (%ul)", desc->fStructSize); | |
681 | return -EINVAL; | |
682 | } | |
683 | ||
684 | memcpy(&fRunDesc, desc, sizeof(AliHLTRunDesc)); | |
685 | if (runType) { | |
686 | if (fRunType) delete [] fRunType; | |
687 | fRunType=new char[sizeof(runType)+1]; | |
688 | if (fRunType) { | |
689 | strcpy(fRunType, runType); | |
690 | } | |
691 | } | |
692 | return 0; | |
693 | } |