1 // Copyright (C) 2007-2015 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // File : MPIContainer_i.cxx
28 #include "Basics_Utils.hxx"
29 #include "SALOME_Component_i.hxx"
30 #include "MPIContainer_i.hxx"
31 #include "SALOME_NamingService.hxx"
32 #include "Utils_SINGLETON.hxx"
34 #include "utilities.h"
37 #include <pthread.h> // must be before Python.h !
44 #include "Container_init_python.hxx"
46 // L'appel au registry SALOME ne se fait que pour le process 0
47 Engines_MPIContainer_i::Engines_MPIContainer_i(CORBA::ORB_ptr orb,
48 PortableServer::POA_ptr poa,
50 int argc, char *argv[])
51 : Engines_Container_i(orb,poa,containerName,argc,argv,false)
54 _id = _poa->activate_object(this);
55 CORBA::Object_var obj=_poa->id_to_reference(*_id);
56 Engines::Container_var pCont = Engines::Container::_narrow(obj);
61 _NS = new SALOME_NamingService();
62 _NS->init_orb( CORBA::ORB::_duplicate(_orb) ) ;
64 std::string hostname = Kernel_Utils::GetHostname();
65 _containerName = _NS->BuildContainerNameForNS(containerName,hostname.c_str());
66 SCRUTE(_containerName);
67 _NS->Register(pCont, _containerName.c_str());
71 // Root recupere les ior des container des autre process
72 Engines::MPIObject_var pobj = POA_Engines::MPIContainer::_this();
73 BCastIOR(_orb,pobj,true);
76 Engines_MPIContainer_i::Engines_MPIContainer_i()
77 : Engines_Container_i()
81 Engines_MPIContainer_i::~Engines_MPIContainer_i(void)
83 MESSAGE("[" << _numproc << "] Engines_MPIContainer_i::~Engines_MPIContainer_i()");
87 void Engines_MPIContainer_i::Shutdown()
90 MESSAGE("[" << _numproc << "] shutdown of MPI Corba Server");
92 _NS->Destroy_FullDirectory(_containerName.c_str());
93 _NS->Destroy_Name(_containerName.c_str());
94 for(ip= 1;ip<_nbproc;ip++)
95 (Engines::MPIContainer::_narrow((*_tior)[ip]))->Shutdown();
98 std::map<std::string, Engines::EngineComponent_var>::iterator itm;
99 for (itm = _listInstances_map.begin(); itm != _listInstances_map.end(); itm++)
103 itm->second->destroy();
105 catch(const CORBA::Exception& e)
107 // ignore this entry and continue
111 // ignore this entry and continue
119 // Load a component library
120 bool Engines_MPIContainer_i::load_component_Library(const char* componentName, CORBA::String_out reason)
122 reason=CORBA::string_dup("");
126 th = new pthread_t[_nbproc];
127 for(int ip=1;ip<_nbproc;ip++){
128 thread_st *st = new thread_st;
131 st->compoName = componentName;
132 pthread_create(&(th[ip]),NULL,th_loadcomponentlibrary,(void*)st);
136 bool ret = Lload_component_Library(componentName);
139 for(int ip=1;ip<_nbproc;ip++)
140 pthread_join(th[ip],NULL);
146 bool Engines_MPIContainer_i::Lload_component_Library(const char* componentName)
148 std::string aCompName = componentName;
150 // --- try dlopen C++ component
152 std::string impl_name = std::string ("lib") + aCompName + std::string("Engine.so");
154 _numInstanceMutex.lock(); // lock to be alone
155 // (see decInstanceCnt, finalize_removal))
156 if (_toRemove_map[impl_name]) _toRemove_map.erase(impl_name);
157 if (_library_map[impl_name])
159 MESSAGE("[" << _numproc << "] Library " << impl_name << " already loaded");
160 _numInstanceMutex.unlock();
165 handle = dlopen( impl_name.c_str() , RTLD_LAZY ) ;
168 _library_map[impl_name] = handle;
169 _numInstanceMutex.unlock();
170 MESSAGE("[" << _numproc << "] Library " << impl_name << " loaded");
175 MESSAGE("[" << _numproc << "] Can't load shared library : " << impl_name);
176 MESSAGE("[" << _numproc << "] error dlopen: " << dlerror());
178 _numInstanceMutex.unlock();
180 // --- try import Python component
182 INFOS("[" << _numproc << "] try import Python component "<<componentName);
183 if (_isSupervContainer)
185 INFOS("[" << _numproc << "] Supervision Container does not support Python Component Engines");
188 if (_library_map[aCompName])
190 return true; // Python Component, already imported
194 Py_ACQUIRE_NEW_THREAD;
195 PyObject *mainmod = PyImport_AddModule((char *)"__main__");
196 PyObject *globals = PyModule_GetDict(mainmod);
197 PyObject *pyCont = PyDict_GetItemString(globals, "pyCont");
198 PyObject *result = PyObject_CallMethod(pyCont,
199 (char*)"import_component",
200 (char*)"s",componentName);
201 std::string ret= PyString_AsString(result);
203 Py_RELEASE_NEW_THREAD;
205 if (ret=="") // import possible: Python component
207 _library_map[aCompName] = (void *)pyCont; // any non O value OK
208 MESSAGE("[" << _numproc << "] import Python: "<<aCompName<<" OK");
215 // Create an instance of component
216 Engines::EngineComponent_ptr
217 Engines_MPIContainer_i::create_component_instance_env( const char* componentName,
219 const Engines::FieldsDict& env,
220 CORBA::String_out reason)
222 reason=CORBA::string_dup("");
226 th = new pthread_t[_nbproc];
227 for(int ip=1;ip<_nbproc;ip++){
228 thread_st *st = new thread_st;
231 st->compoName = componentName;
232 st->studyId = studyId;
233 pthread_create(&(th[ip]),NULL,th_createcomponentinstance,(void*)st);
237 Engines::EngineComponent_ptr cptr = Lcreate_component_instance(componentName,studyId);
240 for(int ip=1;ip<_nbproc;ip++)
241 pthread_join(th[ip],NULL);
248 Engines::EngineComponent_ptr
249 Engines_MPIContainer_i::Lcreate_component_instance( const char* genericRegisterName, CORBA::Long studyId)
252 INFOS("studyId must be > 0 for mono study instance, =0 for multiStudy");
253 return Engines::EngineComponent::_nil() ;
256 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
257 Engines::MPIObject_var pobj;
259 std::string aCompName = genericRegisterName;
260 if (_library_map[aCompName]) { // Python component
261 if (_isSupervContainer) {
262 INFOS("Supervision Container does not support Python Component Engines");
263 return Engines::EngineComponent::_nil();
265 _numInstanceMutex.lock() ; // lock on the instance number
267 int numInstance = _numInstance ;
268 _numInstanceMutex.unlock() ;
271 sprintf( aNumI , "%d" , numInstance ) ;
272 std::string instanceName = aCompName + "_inst_" + aNumI ;
273 std::string component_registerName =
274 _containerName + "/" + instanceName;
276 Py_ACQUIRE_NEW_THREAD;
277 PyObject *mainmod = PyImport_AddModule((char*)"__main__");
278 PyObject *globals = PyModule_GetDict(mainmod);
279 PyObject *pyCont = PyDict_GetItemString(globals, "pyCont");
280 PyObject *result = PyObject_CallMethod(pyCont,
281 (char*)"create_component_instance",
284 instanceName.c_str(),
288 PyArg_ParseTuple(result,"ss", &ior, &error);
289 std::string iors = ior;
291 Py_RELEASE_NEW_THREAD;
293 CORBA::Object_var obj = _orb->string_to_object(iors.c_str());
294 iobject = Engines::EngineComponent::_narrow( obj ) ;
295 pobj = Engines::MPIObject::_narrow(obj) ;
297 _NS->Register(iobject, component_registerName.c_str()) ;
298 // Root recupere les ior des composants des autre process
299 BCastIOR(_orb,pobj,false);
301 return iobject._retn();
306 std::string impl_name = std::string ("lib") + genericRegisterName +std::string("Engine.so");
307 if (_library_map.count(impl_name) != 0) // C++ component
309 void* handle = _library_map[impl_name];
310 iobject = createMPIInstance(genericRegisterName,
313 return iobject._retn();
316 return Engines::EngineComponent::_nil() ;
319 Engines::EngineComponent_ptr
320 Engines_MPIContainer_i::createMPIInstance(std::string genericRegisterName,
324 Engines::EngineComponent_var iobject;
325 Engines::MPIObject_var pobj;
326 // --- find the factory
328 std::string aGenRegisterName = genericRegisterName;
329 std::string factory_name = aGenRegisterName + std::string("Engine_factory");
331 typedef PortableServer::ObjectId * (*MPIFACTORY_FUNCTION)
333 PortableServer::POA_ptr,
334 PortableServer::ObjectId *,
339 MPIFACTORY_FUNCTION MPIComponent_factory = (MPIFACTORY_FUNCTION) dlsym(handle, factory_name.c_str());
341 if ( !MPIComponent_factory )
343 INFOS( "[" << _numproc << "] Can't resolve symbol: " + factory_name );
345 pobj = Engines::MPIObject::_nil();
346 BCastIOR(_orb,pobj,false);
347 return Engines::EngineComponent::_nil();
350 // --- create instance
352 iobject = Engines::EngineComponent::_nil() ;
356 _numInstanceMutex.lock() ; // lock on the instance number
358 int numInstance = _numInstance ;
359 _numInstanceMutex.unlock() ;
362 sprintf( aNumI , "%d" , numInstance ) ;
363 std::string instanceName = aGenRegisterName + "_inst_" + aNumI ;
364 std::string component_registerName =
365 _containerName + "/" + instanceName;
367 // --- Instanciate required CORBA object
369 PortableServer::ObjectId *id ; //not owner, do not delete (nore use var)
370 id = (MPIComponent_factory) ( _orb, _poa, _id, instanceName.c_str(), aGenRegisterName.c_str() ) ;
372 // --- get reference & servant from id
374 CORBA::Object_var obj = _poa->id_to_reference(*id);
375 iobject = Engines::EngineComponent::_narrow( obj ) ;
376 pobj = Engines::MPIObject::_narrow(obj) ;
378 Engines_Component_i *servant =
379 dynamic_cast<Engines_Component_i*>(_poa->reference_to_servant(iobject));
381 //SCRUTE(servant->pd_refCount);
382 servant->_remove_ref(); // compensate previous id_to_reference
383 //SCRUTE(servant->pd_refCount);
384 _listInstances_map[instanceName] = iobject;
385 _cntInstances_map[aGenRegisterName] += 1;
386 //SCRUTE(servant->pd_refCount);
388 servant->setStudyId(studyId);
390 bool ret_studyId = servant->setStudyId(studyId);
394 // --- register the engine under the name
395 // containerName(.dir)/instanceName(.object)
398 _NS->Register( iobject , component_registerName.c_str() ) ;
399 MESSAGE( component_registerName.c_str() << " bound" ) ;
401 // Root recupere les ior des composants des autre process
402 BCastIOR(_orb,pobj,false);
405 catch(const std::exception &ex){
407 return Engines::EngineComponent::_nil();
409 return iobject._retn();
413 Engines::EngineComponent_ptr Engines_MPIContainer_i::load_impl(const char* nameToRegister,
414 const char* componentName)
418 th = new pthread_t[_nbproc];
419 for(int ip=1;ip<_nbproc;ip++){
420 thread_st *st = new thread_st;
423 st->nameToRegister = nameToRegister;
424 st->compoName = componentName;
425 pthread_create(&(th[ip]),NULL,th_loadimpl,(void*)st);
429 Engines::EngineComponent_ptr cptr = Lload_impl(nameToRegister,componentName);
432 for(int ip=1;ip<_nbproc;ip++)
433 pthread_join(th[ip],NULL);
441 Engines::EngineComponent_ptr Engines_MPIContainer_i::Lload_impl(
442 const char* nameToRegister,
443 const char* componentName)
445 Engines::EngineComponent_var iobject;
446 Engines::MPIObject_var pobj;
449 sprintf(cproc,"_%d",_numproc);
451 BEGIN_OF("[" << _numproc << "] MPIContainer_i::Lload_impl");
453 _numInstanceMutex.lock() ; // lock on the instance number
456 sprintf(_aNumI,"%d",_numInstance) ;
458 std::string _impl_name = componentName;
459 std::string _nameToRegister = nameToRegister;
460 std::string instanceName = _nameToRegister + "_inst_" + _aNumI + cproc;
461 MESSAGE("[" << _numproc << "] instanceName=" << instanceName);
463 std::string absolute_impl_name(_impl_name);
464 MESSAGE("[" << _numproc << "] absolute_impl_name=" << absolute_impl_name);
465 void * handle = dlopen(absolute_impl_name.c_str(), RTLD_LAZY);
467 INFOS("[" << _numproc << "] Can't load shared library : " << absolute_impl_name);
468 INFOS("[" << _numproc << "] error dlopen: " << dlerror());
469 return Engines::EngineComponent::_nil() ;
472 std::string factory_name = _nameToRegister + std::string("Engine_factory");
473 MESSAGE("[" << _numproc << "] factory_name=" << factory_name) ;
476 PortableServer::ObjectId * (*MPIComponent_factory) (CORBA::ORB_ptr,
477 PortableServer::POA_ptr,
478 PortableServer::ObjectId *,
481 (PortableServer::ObjectId * (*) (CORBA::ORB_ptr,
482 PortableServer::POA_ptr,
483 PortableServer::ObjectId *,
486 dlsym(handle, factory_name.c_str());
489 if ((error = dlerror()) != NULL){
490 // Try to load a sequential component
491 MESSAGE("[" << _numproc << "] Try to load a sequential component");
492 _numInstanceMutex.unlock() ;
493 iobject = Engines_Container_i::load_impl(nameToRegister,componentName);
494 if( CORBA::is_nil(iobject) ) return Engines::EngineComponent::_duplicate(iobject);
497 // Instanciation du composant parallele
498 MESSAGE("[" << _numproc << "] Try to load a parallel component");
499 PortableServer::ObjectId * id = (MPIComponent_factory)
500 (_orb, _poa, _id, instanceName.c_str(), _nameToRegister.c_str());
501 // get reference from id
502 CORBA::Object_var o = _poa->id_to_reference(*id);
503 pobj = Engines::MPIObject::_narrow(o) ;
504 iobject = Engines::EngineComponent::_narrow(o) ;
508 // utiliser + tard le registry ici :
509 // register the engine under the name containerName.dir/nameToRegister.object
510 std::string component_registerName = _containerName + "/" + _nameToRegister;
511 _NS->Register(iobject, component_registerName.c_str()) ;
514 _numInstanceMutex.unlock() ;
516 // Root recupere les ior des composants des autre process
517 BCastIOR(_orb,pobj,false);
519 END_OF("[" <<_numproc << "] MPIContainer_i::Lload_impl");
520 return Engines::EngineComponent::_duplicate(iobject);
524 void Engines_MPIContainer_i::remove_impl(Engines::EngineComponent_ptr component_i)
526 Engines::MPIObject_ptr pcptr;
527 Engines::MPIObject_ptr spcptr;
531 pcptr = (Engines::MPIObject_ptr)component_i;
532 th = new pthread_t[_nbproc];
533 for(int ip=1;ip<_nbproc;ip++){
534 thread_st *st = new thread_st;
537 spcptr = Engines::MPIObject::_narrow((*(pcptr->tior()))[ip]);
538 st->cptr = (Engines::EngineComponent_ptr)spcptr;
539 pthread_create(&(th[ip]),NULL,th_removeimpl,(void*)st);
543 ASSERT(! CORBA::is_nil(component_i));
544 std::string instanceName = component_i->instanceName() ;
545 MESSAGE("[" << _numproc << "] unload component " << instanceName);
546 _numInstanceMutex.lock() ; // lock on the remove on handle_map
547 _listInstances_map.erase(instanceName);
548 _numInstanceMutex.unlock() ;
549 component_i->destroy() ;
551 _NS->Destroy_Name(instanceName.c_str());
554 for(int ip=1;ip<_nbproc;ip++)
555 pthread_join(th[ip],NULL);
561 void Engines_MPIContainer_i::finalize_removal()
565 th = new pthread_t[_nbproc];
566 for(int ip=1;ip<_nbproc;ip++){
567 thread_st *st = new thread_st;
570 pthread_create(&(th[ip]),NULL,th_finalizeremoval,(void*)st);
574 _numInstanceMutex.lock(); // lock to be alone
575 // (see decInstanceCnt, load_component_Library)
576 std::map<std::string, void *>::iterator ith;
577 for (ith = _toRemove_map.begin(); ith != _toRemove_map.end(); ith++)
579 void *handle = (*ith).second;
580 std::string impl_name= (*ith).first;
585 // dlclose(handle); // SALOME unstable after ...
586 // _library_map.erase(impl_name);
589 _toRemove_map.clear();
590 _numInstanceMutex.unlock();
593 for(int ip=1;ip<_nbproc;ip++)
594 pthread_join(th[ip],NULL);
599 void *th_loadcomponentlibrary(void *s)
601 thread_st *st = (thread_st*)s;
603 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->load_component_Library(st->compoName.c_str(),reason);
604 CORBA::string_free(reason);
608 void *th_createcomponentinstance(void *s)
610 thread_st *st = (thread_st*)s;
611 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->create_component_instance(st->compoName.c_str(),st->studyId);
615 void *th_loadimpl(void *s)
617 thread_st *st = (thread_st*)s;
618 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->load_impl(st->nameToRegister.c_str(),st->compoName.c_str());
622 void *th_removeimpl(void *s)
624 thread_st *st = (thread_st*)s;
625 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->remove_impl(st->cptr);
629 void *th_finalizeremoval(void *s)
631 thread_st *st = (thread_st*)s;
632 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->finalize_removal();