1 // Copyright (C) 2007-2016 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
153 std::string impl_name = std::string ("lib") + aCompName + std::string("Engine.dylib");
155 std::string impl_name = std::string ("lib") + aCompName + std::string("Engine.so");
158 _numInstanceMutex.lock(); // lock to be alone
159 // (see decInstanceCnt, finalize_removal))
160 if (_toRemove_map[impl_name]) _toRemove_map.erase(impl_name);
161 if (_library_map[impl_name])
163 MESSAGE("[" << _numproc << "] Library " << impl_name << " already loaded");
164 _numInstanceMutex.unlock();
169 handle = dlopen( impl_name.c_str() , RTLD_LAZY | RTLD_GLOBAL ) ;
172 _library_map[impl_name] = handle;
173 _numInstanceMutex.unlock();
174 MESSAGE("[" << _numproc << "] Library " << impl_name << " loaded");
179 MESSAGE("[" << _numproc << "] Can't load shared library : " << impl_name);
180 MESSAGE("[" << _numproc << "] error dlopen: " << dlerror());
182 _numInstanceMutex.unlock();
184 // --- try import Python component
186 INFOS("[" << _numproc << "] try import Python component "<<componentName);
187 if (_isSupervContainer)
189 INFOS("[" << _numproc << "] Supervision Container does not support Python Component Engines");
192 if (_library_map[aCompName])
194 return true; // Python Component, already imported
198 Py_ACQUIRE_NEW_THREAD;
199 PyObject *mainmod = PyImport_AddModule((char *)"__main__");
200 PyObject *globals = PyModule_GetDict(mainmod);
201 PyObject *pyCont = PyDict_GetItemString(globals, "pyCont");
202 PyObject *result = PyObject_CallMethod(pyCont,
203 (char*)"import_component",
204 (char*)"s",componentName);
205 std::string ret= PyUnicode_AsUTF8(result);
207 Py_RELEASE_NEW_THREAD;
209 if (ret=="") // import possible: Python component
211 _library_map[aCompName] = (void *)pyCont; // any non O value OK
212 MESSAGE("[" << _numproc << "] import Python: "<<aCompName<<" OK");
219 // Create an instance of component
220 Engines::EngineComponent_ptr
221 Engines_MPIContainer_i::create_component_instance_env( const char* componentName,
222 const Engines::FieldsDict& env,
223 CORBA::String_out reason)
225 reason=CORBA::string_dup("");
229 th = new pthread_t[_nbproc];
230 for(int ip=1;ip<_nbproc;ip++){
231 thread_st *st = new thread_st;
234 st->compoName = componentName;
235 pthread_create(&(th[ip]),NULL,th_createcomponentinstance,(void*)st);
239 Engines::EngineComponent_ptr cptr = Lcreate_component_instance(componentName);
242 for(int ip=1;ip<_nbproc;ip++)
243 pthread_join(th[ip],NULL);
250 Engines::EngineComponent_ptr
251 Engines_MPIContainer_i::Lcreate_component_instance( const char* genericRegisterName )
253 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
254 Engines::MPIObject_var pobj;
256 std::string aCompName = genericRegisterName;
257 if (_library_map[aCompName]) { // Python component
258 if (_isSupervContainer) {
259 INFOS("Supervision Container does not support Python Component Engines");
260 return Engines::EngineComponent::_nil();
262 _numInstanceMutex.lock() ; // lock on the instance number
264 int numInstance = _numInstance ;
265 _numInstanceMutex.unlock() ;
268 sprintf( aNumI , "%d" , numInstance ) ;
269 std::string instanceName = aCompName + "_inst_" + aNumI ;
270 std::string component_registerName =
271 _containerName + "/" + instanceName;
273 Py_ACQUIRE_NEW_THREAD;
274 PyObject *mainmod = PyImport_AddModule((char*)"__main__");
275 PyObject *globals = PyModule_GetDict(mainmod);
276 PyObject *pyCont = PyDict_GetItemString(globals, "pyCont");
277 PyObject *result = PyObject_CallMethod(pyCont,
278 (char*)"create_component_instance",
281 instanceName.c_str());
284 PyArg_ParseTuple(result,"ss", &ior, &error);
285 std::string iors = ior;
287 Py_RELEASE_NEW_THREAD;
289 CORBA::Object_var obj = _orb->string_to_object(iors.c_str());
290 iobject = Engines::EngineComponent::_narrow( obj ) ;
291 pobj = Engines::MPIObject::_narrow(obj) ;
293 _NS->Register(iobject, component_registerName.c_str()) ;
294 // Root recupere les ior des composants des autre process
295 BCastIOR(_orb,pobj,false);
297 return iobject._retn();
303 std::string impl_name = std::string ("lib") + genericRegisterName +std::string("Engine.dylib");
305 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,
312 return iobject._retn();
315 return Engines::EngineComponent::_nil() ;
318 Engines::EngineComponent_ptr
319 Engines_MPIContainer_i::createMPIInstance(std::string genericRegisterName,
322 Engines::EngineComponent_var iobject;
323 Engines::MPIObject_var pobj;
324 // --- find the factory
326 std::string aGenRegisterName = genericRegisterName;
327 std::string factory_name = aGenRegisterName + std::string("Engine_factory");
329 typedef PortableServer::ObjectId * (*MPIFACTORY_FUNCTION)
331 PortableServer::POA_ptr,
332 PortableServer::ObjectId *,
337 MPIFACTORY_FUNCTION MPIComponent_factory = (MPIFACTORY_FUNCTION) dlsym(handle, factory_name.c_str());
339 if ( !MPIComponent_factory )
341 INFOS( "[" << _numproc << "] Can't resolve symbol: " + factory_name );
343 pobj = Engines::MPIObject::_nil();
344 BCastIOR(_orb,pobj,false);
345 return Engines::EngineComponent::_nil();
348 // --- create instance
350 iobject = Engines::EngineComponent::_nil() ;
354 _numInstanceMutex.lock() ; // lock on the instance number
356 int numInstance = _numInstance ;
357 _numInstanceMutex.unlock() ;
360 sprintf( aNumI , "%d" , numInstance ) ;
361 std::string instanceName = aGenRegisterName + "_inst_" + aNumI ;
362 std::string component_registerName =
363 _containerName + "/" + instanceName;
365 // --- Instantiate required CORBA object
367 PortableServer::ObjectId *id ; //not owner, do not delete (nore use var)
368 id = (MPIComponent_factory) ( _orb, _poa, _id, instanceName.c_str(), aGenRegisterName.c_str() ) ;
370 // --- get reference from id
372 CORBA::Object_var obj = _poa->id_to_reference(*id);
373 iobject = Engines::EngineComponent::_narrow( obj ) ;
374 pobj = Engines::MPIObject::_narrow(obj) ;
376 _listInstances_map[instanceName] = iobject;
377 _cntInstances_map[aGenRegisterName] += 1;
379 // --- register the engine under the name
380 // containerName(.dir)/instanceName(.object)
383 _NS->Register( iobject , component_registerName.c_str() ) ;
384 MESSAGE( component_registerName.c_str() << " bound" ) ;
386 // Root recupere les ior des composants des autre process
387 BCastIOR(_orb,pobj,false);
390 catch(const std::exception &ex){
392 return Engines::EngineComponent::_nil();
394 return iobject._retn();
398 Engines::EngineComponent_ptr Engines_MPIContainer_i::load_impl(const char* nameToRegister,
399 const char* componentName)
403 th = new pthread_t[_nbproc];
404 for(int ip=1;ip<_nbproc;ip++){
405 thread_st *st = new thread_st;
408 st->nameToRegister = nameToRegister;
409 st->compoName = componentName;
410 pthread_create(&(th[ip]),NULL,th_loadimpl,(void*)st);
414 Engines::EngineComponent_ptr cptr = Lload_impl(nameToRegister,componentName);
417 for(int ip=1;ip<_nbproc;ip++)
418 pthread_join(th[ip],NULL);
426 Engines::EngineComponent_ptr Engines_MPIContainer_i::Lload_impl(
427 const char* nameToRegister,
428 const char* componentName)
430 Engines::EngineComponent_var iobject;
431 Engines::MPIObject_var pobj;
434 sprintf(cproc,"_%d",_numproc);
436 BEGIN_OF("[" << _numproc << "] MPIContainer_i::Lload_impl");
438 _numInstanceMutex.lock() ; // lock on the instance number
441 sprintf(_aNumI,"%d",_numInstance) ;
443 std::string _impl_name = componentName;
444 std::string _nameToRegister = nameToRegister;
445 std::string instanceName = _nameToRegister + "_inst_" + _aNumI + cproc;
446 MESSAGE("[" << _numproc << "] instanceName=" << instanceName);
448 std::string absolute_impl_name(_impl_name);
449 MESSAGE("[" << _numproc << "] absolute_impl_name=" << absolute_impl_name);
450 void * handle = dlopen(absolute_impl_name.c_str(), RTLD_LAZY | RTLD_GLOBAL);
452 INFOS("[" << _numproc << "] Can't load shared library : " << absolute_impl_name);
453 INFOS("[" << _numproc << "] error dlopen: " << dlerror());
454 return Engines::EngineComponent::_nil() ;
457 std::string factory_name = _nameToRegister + std::string("Engine_factory");
458 MESSAGE("[" << _numproc << "] factory_name=" << factory_name) ;
461 PortableServer::ObjectId * (*MPIComponent_factory) (CORBA::ORB_ptr,
462 PortableServer::POA_ptr,
463 PortableServer::ObjectId *,
466 (PortableServer::ObjectId * (*) (CORBA::ORB_ptr,
467 PortableServer::POA_ptr,
468 PortableServer::ObjectId *,
471 dlsym(handle, factory_name.c_str());
474 if ((error = dlerror()) != NULL){
475 // Try to load a sequential component
476 MESSAGE("[" << _numproc << "] Try to load a sequential component");
477 _numInstanceMutex.unlock() ;
478 iobject = Engines_Container_i::load_impl(nameToRegister,componentName);
479 if( CORBA::is_nil(iobject) ) return Engines::EngineComponent::_duplicate(iobject);
482 // Instanciation du composant parallele
483 MESSAGE("[" << _numproc << "] Try to load a parallel component");
484 PortableServer::ObjectId * id = (MPIComponent_factory)
485 (_orb, _poa, _id, instanceName.c_str(), _nameToRegister.c_str());
486 // get reference from id
487 CORBA::Object_var o = _poa->id_to_reference(*id);
488 pobj = Engines::MPIObject::_narrow(o) ;
489 iobject = Engines::EngineComponent::_narrow(o) ;
493 // utiliser + tard le registry ici :
494 // register the engine under the name containerName.dir/nameToRegister.object
495 std::string component_registerName = _containerName + "/" + _nameToRegister;
496 _NS->Register(iobject, component_registerName.c_str()) ;
499 _numInstanceMutex.unlock() ;
501 // Root recupere les ior des composants des autre process
502 BCastIOR(_orb,pobj,false);
504 END_OF("[" <<_numproc << "] MPIContainer_i::Lload_impl");
505 return Engines::EngineComponent::_duplicate(iobject);
509 void Engines_MPIContainer_i::remove_impl(Engines::EngineComponent_ptr component_i)
511 Engines::MPIObject_ptr pcptr;
512 Engines::MPIObject_ptr spcptr;
516 pcptr = (Engines::MPIObject_ptr)component_i;
517 th = new pthread_t[_nbproc];
518 for(int ip=1;ip<_nbproc;ip++){
519 thread_st *st = new thread_st;
522 spcptr = Engines::MPIObject::_narrow((*(pcptr->tior()))[ip]);
523 st->cptr = (Engines::EngineComponent_ptr)spcptr;
524 pthread_create(&(th[ip]),NULL,th_removeimpl,(void*)st);
528 ASSERT(! CORBA::is_nil(component_i));
529 std::string instanceName = component_i->instanceName() ;
530 MESSAGE("[" << _numproc << "] unload component " << instanceName);
531 _numInstanceMutex.lock() ; // lock on the remove on handle_map
532 _listInstances_map.erase(instanceName);
533 _numInstanceMutex.unlock() ;
534 component_i->destroy() ;
536 _NS->Destroy_Name(instanceName.c_str());
539 for(int ip=1;ip<_nbproc;ip++)
540 pthread_join(th[ip],NULL);
546 void Engines_MPIContainer_i::finalize_removal()
550 th = new pthread_t[_nbproc];
551 for(int ip=1;ip<_nbproc;ip++){
552 thread_st *st = new thread_st;
555 pthread_create(&(th[ip]),NULL,th_finalizeremoval,(void*)st);
559 _numInstanceMutex.lock(); // lock to be alone
560 // (see decInstanceCnt, load_component_Library)
561 std::map<std::string, void *>::iterator ith;
562 for (ith = _toRemove_map.begin(); ith != _toRemove_map.end(); ith++)
564 void *handle = (*ith).second;
565 std::string impl_name= (*ith).first;
570 // dlclose(handle); // SALOME unstable after ...
571 // _library_map.erase(impl_name);
574 _toRemove_map.clear();
575 _numInstanceMutex.unlock();
578 for(int ip=1;ip<_nbproc;ip++)
579 pthread_join(th[ip],NULL);
584 void *th_loadcomponentlibrary(void *s)
586 thread_st *st = (thread_st*)s;
588 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->load_component_Library(st->compoName.c_str(),reason);
589 CORBA::string_free(reason);
593 void *th_createcomponentinstance(void *s)
595 thread_st *st = (thread_st*)s;
596 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->create_component_instance(st->compoName.c_str());
600 void *th_loadimpl(void *s)
602 thread_st *st = (thread_st*)s;
603 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->load_impl(st->nameToRegister.c_str(),st->compoName.c_str());
607 void *th_removeimpl(void *s)
609 thread_st *st = (thread_st*)s;
610 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->remove_impl(st->cptr);
614 void *th_finalizeremoval(void *s)
616 thread_st *st = (thread_st*)s;
617 (Engines::MPIContainer::_narrow((*(st->tior))[st->ip]))->finalize_removal();