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 : SALOME_ParallelContainer_i.cxx
23 // Author : André RIBES, EDF
25 #include "SALOME_ParallelContainer_i.hxx"
26 #include "SALOME_Component_i.hxx"
27 #include "SALOME_FileRef_i.hxx"
28 #include "SALOME_FileTransfer_i.hxx"
29 #include "SALOME_NamingService.hxx"
31 #include "utilities.h"
32 #include "Basics_Utils.hxx"
47 #include <paco_omni.h>
50 #include "Container_init_python.hxx"
53 bool _Sleeping = false ;
55 extern "C" {void ActSigIntHandler() ; }
57 extern "C" {void SigIntHandler(int, siginfo_t *, void *) ; }
59 extern "C" {void SigIntHandler( int ) ; }
62 /*! \class Engines_Parallel_Container_i
63 * \brief C++ implementation of Engines::Container interface for parallel
64 * container implemented with PaCO++
67 //=============================================================================
71 //=============================================================================
73 Engines_Parallel_Container_i::Engines_Parallel_Container_i (CORBA::ORB_ptr orb,
76 PortableServer::POA_ptr poa,
77 std::string containerName,
78 bool isServantAloneInProcess) :
79 InterfaceParallel_impl(orb,ior,rank),
80 Engines::PACO_Container_serv(orb,ior,rank),
81 Engines::PACO_Container_base_serv(orb,ior,rank),
82 Engines::Container_serv(orb,ior,rank),
83 Engines::Container_base_serv(orb,ior,rank),
84 _numInstance(0),_isServantAloneInProcess(isServantAloneInProcess)
88 _hostname = Kernel_Utils::GetHostname();
89 _orb = CORBA::ORB::_duplicate(orb);
90 _poa = PortableServer::POA::_duplicate(poa);
92 // Add CORBA object to the poa
93 _id = _poa->activate_object(this);
95 CORBA::Object_var container_node = _poa->id_to_reference(*_id);
97 // Adding this servant to SALOME
98 _NS = new SALOME_NamingService();
100 _containerName = _NS->BuildContainerNameForNS(containerName.c_str(), _hostname.c_str());
102 // Ajout du numero de noeud
103 char node_number[12];
104 sprintf(node_number, "%d", getMyRank());
105 _containerName = _containerName + node_number;
107 // Init Python container part
108 CORBA::String_var sior = _orb->object_to_string(container_node);
109 std::string myCommand="pyCont = SALOME_Container.SALOME_Container_i('";
110 myCommand += _containerName + "','";
113 Py_ACQUIRE_NEW_THREAD;
114 PyRun_SimpleString("import SALOME_Container\n");
115 PyRun_SimpleString((char*)myCommand.c_str());
116 Py_RELEASE_NEW_THREAD;
118 // Init FileTransfer service
119 fileTransfer_i* aFileTransfer = new fileTransfer_i();
120 _fileTransfer = aFileTransfer->_this();
121 aFileTransfer->_remove_ref();
123 // Some signal handlers
127 //=============================================================================
131 //=============================================================================
133 Engines_Parallel_Container_i::~Engines_Parallel_Container_i()
135 MESSAGE("Container_i::~Container_i()");
142 //=============================================================================
143 //! Get container name
145 * CORBA attribute: Container name (see constructor)
147 //=============================================================================
149 char* Engines_Parallel_Container_i::name()
151 return CORBA::string_dup(_containerName.c_str()) ;
154 //=============================================================================
155 //! Get container working directory
157 * CORBA attribute: Container working directory
159 //=============================================================================
162 Engines_Parallel_Container_i::workingdir()
166 return CORBA::string_dup(wd) ;
169 //=============================================================================
170 //! Get container log file name
172 * CORBA attribute: Container log file name
174 //=============================================================================
177 Engines_Parallel_Container_i::logfilename()
179 return CORBA::string_dup(_logfilename.c_str()) ;
182 //! Set container log file name
184 Engines_Parallel_Container_i::logfilename(const char* name)
189 //=============================================================================
190 //! Get container host name
192 * CORBA method: Get the hostName of the Container (without domain extensions)
194 //=============================================================================
196 char* Engines_Parallel_Container_i::getHostName()
198 MESSAGE("Warning: getHostName of a parallel container returns the hostname of the first servant node");
199 return CORBA::string_dup(_hostname.c_str()) ;
202 //=============================================================================
203 //! Get container PID
205 * CORBA method: Get the PID (process identification) of the Container
207 //=============================================================================
209 CORBA::Long Engines_Parallel_Container_i::getPID()
211 MESSAGE("Warning: getPID of a parallel container returns the PID of the first servant node");
215 //=============================================================================
216 //! Ping the servant to check it is still alive
218 * CORBA method: check if servant is still alive
220 //=============================================================================
222 void Engines_Parallel_Container_i::ping()
224 MESSAGE("Engines_Parallel_Container_i::ping() my pid is "<< _pid);
227 //=============================================================================
228 //! Shutdown the container
230 * CORBA method, oneway: Server shutdown.
231 * - Container name removed from naming service,
232 * - servant deactivation,
233 * - orb shutdown if no other servants in the process
235 //=============================================================================
237 void Engines_Parallel_Container_i::Shutdown()
239 MESSAGE("Engines_Parallel_Container_i::Shutdown()");
241 /* For each seq component contained in this container
242 * tell it to self-destroy
244 std::map<std::string, Engines::EngineComponent_var>::iterator itm;
245 for (itm = _listInstances_map.begin(); itm != _listInstances_map.end(); itm++)
249 itm->second->destroy();
251 catch(const CORBA::Exception& e)
253 // ignore this entry and continue
257 // ignore this entry and continue
261 // Destroy each parallel component node...
262 std::map<std::string, PortableServer::ObjectId *>::iterator i;
263 for (i = _par_obj_inst_map.begin(); i != _par_obj_inst_map.end(); i++)
264 _poa->deactivate_object(*(i->second));
266 _NS->Destroy_FullDirectory(_containerName.c_str());
267 _NS->Destroy_Name(_containerName.c_str());
269 if(_isServantAloneInProcess)
271 MESSAGE("Effective Shutdown of container Begins...");
272 if(!CORBA::is_nil(_orb))
278 //=============================================================================
279 //! load a new component class
281 * CORBA method: load a new component class (Python or C++ implementation)
282 * \param componentName like COMPONENT
283 * try to make a Python import of COMPONENT,
284 * then a lib open of libCOMPONENTEngine.so
285 * \return true if dlopen successfull or already done, false otherwise
287 //=============================================================================
290 Engines_Parallel_Container_i::load_component_Library(const char* componentName, CORBA::String_out reason)
292 reason=CORBA::string_dup("");
294 MESSAGE("Begin of load_component_Library : " << componentName)
296 std::string aCompName = componentName;
298 std::string impl_name = string ("lib") + aCompName + string("Engine.so");
300 std::string impl_name = aCompName + string("Engine.dll");
303 _numInstanceMutex.lock(); // lock to be alone
305 // Check if already loaded or imported in the container
306 if (_toRemove_map.count(impl_name) != 0) _toRemove_map.erase(impl_name);
307 if (_library_map.count(impl_name) != 0)
309 MESSAGE("Library " << impl_name << " already loaded");
312 if (_library_map.count(aCompName) != 0)
314 MESSAGE("Python component already imported");
318 // --- try dlopen C++ component
321 MESSAGE("Try to load C++ component");
324 handle = dlopen( impl_name.c_str() , RTLD_LAZY ) ;
326 handle = dlopen( impl_name.c_str() , 0 ) ;
330 _library_map[impl_name] = handle;
331 MESSAGE("Library " << impl_name << " loaded");
336 std::cerr << "Can't load shared library : " << impl_name << std::endl;
337 std::cerr << "error of dlopen: " << dlerror() << std::endl;
341 // --- try import Python component
344 MESSAGE("Try to import Python component "<<componentName);
345 Py_ACQUIRE_NEW_THREAD;
346 PyObject *mainmod = PyImport_AddModule("__main__");
347 PyObject *globals = PyModule_GetDict(mainmod);
348 PyObject *pyCont = PyDict_GetItemString(globals, "pyCont");
349 PyObject *result = PyObject_CallMethod(pyCont,
350 (char*)"import_component",
351 (char*)"s",componentName);
352 std::string ret_p= PyString_AsString(result);
354 Py_RELEASE_NEW_THREAD;
356 if (ret_p=="") // import possible: Python component
358 _library_map[aCompName] = (void *)pyCont; // any non O value OK
359 MESSAGE("import Python: " << aCompName <<" OK");
364 std::cerr << "Error in importing Python component : " << aCompName << std::endl;
368 _numInstanceMutex.unlock();
372 //=============================================================================
373 //! Create a new component instance
375 * CORBA method: Creates a new servant instance of a component.
376 * The servant registers itself to naming service and Registry.
377 * \param genericRegisterName Name of the component instance to register
378 * in Registry & Name Service (without _inst_n suffix)
379 * \param studyId 0 for multiStudy instance,
380 * study Id (>0) otherwise
381 * \return a loaded component
383 //=============================================================================
384 Engines::EngineComponent_ptr
385 Engines_Parallel_Container_i::create_component_instance(const char*genericRegisterName,
388 Engines::FieldsDict_var env = new Engines::FieldsDict;
390 Engines::EngineComponent_ptr compo = create_component_instance_env(genericRegisterName,studyId,env, reason);
391 CORBA::string_free(reason);
395 //=============================================================================
396 //! Create a new component instance
398 * CORBA method: Creates a new servant instance of a component.
399 * The servant registers itself to naming service and Registry.
400 * \param genericRegisterName Name of the component instance to register
401 * in Registry & Name Service (without _inst_n suffix)
402 * \param studyId 0 for multiStudy instance,
403 * study Id (>0) otherwise
404 * \param env dict of environment variables
405 * \return a loaded component
407 //=============================================================================
409 Engines::EngineComponent_ptr
410 Engines_Parallel_Container_i::create_component_instance_env(const char*genericRegisterName,
412 const Engines::FieldsDict& env,
413 CORBA::String_out reason)
415 MESSAGE("Begin of create_component_instance in node : " << getMyRank());
416 reason=CORBA::string_dup("");
420 INFOS("studyId must be > 0 for mono study instance, =0 for multiStudy");
421 return Engines::EngineComponent::_nil() ;
424 std::string aCompName = genericRegisterName;
426 std::string impl_name = string ("lib") + aCompName +string("Engine.so");
428 std::string impl_name = aCompName +string("Engine.dll");
431 _numInstanceMutex.lock();
434 // Test if the component lib is loaded
435 std::string type_of_lib("Not Loaded");
436 void* handle = _library_map[impl_name];
439 if (_library_map.count(aCompName) != 0 and !handle)
440 type_of_lib = "python";
442 if (type_of_lib == "Not Loaded")
444 std::cerr << "Component library is not loaded or imported ! lib was : " << aCompName << std::endl;
445 _numInstanceMutex.unlock();
446 return Engines::EngineComponent::_nil();
449 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil();
450 if (type_of_lib == "cpp")
451 iobject = createCPPInstance(aCompName, handle, studyId);
453 iobject = createPythonInstance(aCompName, studyId);
455 _numInstanceMutex.unlock();
456 return iobject._retn();
459 //=============================================================================
460 //! Find an existing (in the container) component instance
462 * CORBA method: Finds a servant instance of a component
463 * \param registeredName Name of the component in Registry or Name Service,
464 * without instance suffix number
465 * \param studyId 0 if instance is not associated to a study,
466 * >0 otherwise (== study id)
467 * \return the first instance found with same studyId
469 //=============================================================================
471 Engines::EngineComponent_ptr Engines_Parallel_Container_i::find_component_instance( const char* registeredName,
474 Engines::EngineComponent_var anEngine = Engines::EngineComponent::_nil();
475 std::map<std::string,Engines::EngineComponent_var>::iterator itm =_listInstances_map.begin();
476 while (itm != _listInstances_map.end())
478 std::string instance = (*itm).first;
480 if (instance.find(registeredName) == 0)
482 anEngine = (*itm).second;
483 if (studyId == anEngine->getStudyId())
485 return anEngine._retn();
490 return anEngine._retn();
493 char* Engines_Parallel_Container_i::create_python_service_instance(const char* CompName,
494 CORBA::String_out reason)
497 reason=CORBA::string_dup("");
498 return CORBA::string_dup("");
501 //=============================================================================
502 //! Find or create a new component instance
504 * CORBA method: find or create an instance of the component (servant),
505 * load a new component class (dynamic library) if required,
506 * ---- FOR COMPATIBILITY WITH 2.2 ----
507 * ---- USE ONLY FOR MULTISTUDY INSTANCES ! --------
508 * The servant registers itself to naming service and Registry.
509 * \param genericRegisterName Name of the component to register
510 * in Registry & Name Service
511 * \param componentName Name of the constructed library of the component
512 * \return a loaded component
514 //=============================================================================
516 Engines::EngineComponent_ptr Engines_Parallel_Container_i::load_impl( const char* genericRegisterName,
517 const char* componentName )
519 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil();
521 if (load_component_Library(genericRegisterName,reason))
522 iobject = find_or_create_instance(genericRegisterName);
523 CORBA::string_free(reason);
524 return iobject._retn();
528 //=============================================================================
529 //! Remove the component instance from container
531 * CORBA method: Stops the component servant, and deletes all related objects
532 * \param component_i Component to be removed
534 //=============================================================================
536 void Engines_Parallel_Container_i::remove_impl(Engines::EngineComponent_ptr component_i)
538 ASSERT(!CORBA::is_nil(component_i));
539 std::string instanceName = component_i->instanceName();
540 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
541 // Test if the component is in this container
542 std::map<std::string, Engines::EngineComponent_var>::iterator itm;
543 itm = _listInstances_map.find(instanceName);
544 if (itm != _listInstances_map.end())
546 MESSAGE("Unloading component " << instanceName);
547 _listInstances_map.erase(instanceName);
548 component_i->destroy() ;
549 _NS->Destroy_Name(instanceName.c_str());
552 std::cerr << "WARNING !!!! component instance was not in this container !!!" << std::endl;
553 _numInstanceMutex.unlock() ;
556 //=============================================================================
557 //! Unload component libraries from the container
559 * CORBA method: Discharges unused libraries from the container.
561 //=============================================================================
563 void Engines_Parallel_Container_i::finalize_removal()
565 MESSAGE("Finalize removal : dlclose");
566 MESSAGE("WARNING FINALIZE DOES CURRENTLY NOTHING !!!");
568 // (see decInstanceCnt, load_component_Library)
569 //std::map<std::string, void *>::iterator ith;
570 //for (ith = _toRemove_map.begin(); ith != _toRemove_map.end(); ith++)
572 // void *handle = (*ith).second;
573 // std::string impl_name= (*ith).first;
577 // SCRUTE(impl_name);
578 // dlclose(handle); // SALOME unstable after ...
579 // _library_map.erase(impl_name);
583 _numInstanceMutex.lock(); // lock to be alone
584 _toRemove_map.clear();
585 _numInstanceMutex.unlock();
588 //=============================================================================
589 //! Kill the container
591 * CORBA method: Kill the container process with exit(0).
592 * To remove : never returns !
594 //=============================================================================
596 bool Engines_Parallel_Container_i::Kill_impl()
598 MESSAGE("Engines_Parallel_Container_i::Kill() my pid is "<< _pid
599 << " my containerName is " << _containerName.c_str()
600 << " my machineName is " << _hostname.c_str());
601 INFOS("===============================================================");
602 INFOS("= REMOVE calls to Kill_impl in C++ container =");
603 INFOS("===============================================================");
609 //=============================================================================
610 //! Get or create a file reference object associated to a local file (to transfer it)
612 * CORBA method: get or create a fileRef object associated to a local file
613 * (a file on the computer on which runs the container server), which stores
614 * a list of (machine, localFileName) corresponding to copies already done.
616 * \param origFileName absolute path for a local file to copy on other
618 * \return a fileRef object associated to the file.
620 //=============================================================================
623 Engines_Parallel_Container_i::createFileRef(const char* origFileName)
625 std::string origName(origFileName);
626 Engines::fileRef_var theFileRef = Engines::fileRef::_nil();
628 if (origName[0] != '/')
630 INFOS("path of file to copy must be an absolute path begining with '/'");
631 return Engines::fileRef::_nil();
634 if (CORBA::is_nil(_fileRef_map[origName]))
636 CORBA::Object_var obj=_poa->id_to_reference(*_id);
637 Engines::Container_var pCont = Engines::Container::_narrow(obj);
638 fileRef_i* aFileRef = new fileRef_i(pCont, origFileName);
639 theFileRef = Engines::fileRef::_narrow(aFileRef->_this());
640 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
641 _fileRef_map[origName] = theFileRef;
642 _numInstanceMutex.unlock() ;
645 theFileRef = Engines::fileRef::_duplicate(_fileRef_map[origName]);
646 ASSERT(! CORBA::is_nil(theFileRef));
647 return theFileRef._retn();
650 //=============================================================================
653 * \return a reference to the fileTransfer object
655 //=============================================================================
657 Engines::fileTransfer_ptr
658 Engines_Parallel_Container_i::getFileTransfer()
660 Engines::fileTransfer_var aFileTransfer
661 = Engines::fileTransfer::_duplicate(_fileTransfer);
662 return aFileTransfer._retn();
666 Engines::Salome_file_ptr
667 Engines_Parallel_Container_i::createSalome_file(const char* origFileName)
669 string origName(origFileName);
670 if (CORBA::is_nil(_Salome_file_map[origName]))
672 Salome_file_i* aSalome_file = new Salome_file_i();
675 aSalome_file->setLocalFile(origFileName);
676 aSalome_file->recvFiles();
678 catch (const SALOME::SALOME_Exception& e)
680 return Engines::Salome_file::_nil();
683 Engines::Salome_file_var theSalome_file = Engines::Salome_file::_nil();
684 theSalome_file = Engines::Salome_file::_narrow(aSalome_file->_this());
685 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
686 _Salome_file_map[origName] = theSalome_file;
687 _numInstanceMutex.unlock() ;
690 Engines::Salome_file_ptr theSalome_file =
691 Engines::Salome_file::_duplicate(_Salome_file_map[origName]);
692 ASSERT(!CORBA::is_nil(theSalome_file));
693 return theSalome_file;
697 //=============================================================================
698 //! Finds an already existing component instance or create a new instance
700 * C++ method: Finds an already existing servant instance of a component, or
701 * create an instance.
702 * ---- USE ONLY FOR MULTISTUDY INSTANCES ! --------
703 * \param genericRegisterName Name of the component instance to register
704 * in Registry & Name Service,
705 * (without _inst_n suffix, like "COMPONENT")
706 * \return a loaded component
708 * example with names:
709 * aGenRegisterName = COMPONENT (= first argument)
710 * impl_name = libCOMPONENTEngine.so (= second argument)
711 * _containerName = /Containers/cli76ce/FactoryServer
712 * factoryName = COMPONENTEngine_factory
713 * component_registerBase = /Containers/cli76ce/FactoryServer/COMPONENT
715 * instanceName = COMPONENT_inst_1
716 * component_registerName = /Containers/cli76ce/FactoryServer/COMPONENT_inst_1
718 //=============================================================================
720 Engines::EngineComponent_ptr
721 Engines_Parallel_Container_i::find_or_create_instance(std::string genericRegisterName)
723 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil();
726 std::string aGenRegisterName = genericRegisterName;
727 // --- find a registered instance in naming service, or create
728 std::string component_registerBase = _containerName + "/" + aGenRegisterName;
729 CORBA::Object_var obj = _NS->ResolveFirst(component_registerBase.c_str());
730 if (CORBA::is_nil( obj ))
732 iobject = create_component_instance(genericRegisterName.c_str(),
733 0); // force multiStudy instance here !
737 iobject = Engines::EngineComponent::_narrow(obj) ;
738 Engines_Component_i *servant = dynamic_cast<Engines_Component_i*>(_poa->reference_to_servant(iobject));
740 int studyId = servant->getStudyId();
741 ASSERT (studyId >= 0);
742 if (studyId != 0) // monoStudy instance: NOK
744 iobject = Engines::EngineComponent::_nil();
745 INFOS("load_impl & find_component_instance methods "
746 << "NOT SUITABLE for mono study components");
752 INFOS( "Container_i::load_impl catched" ) ;
754 return iobject._retn();
757 //=============================================================================
758 //! Create a new Python component instance
760 * C++ method: create a servant instance of a component.
761 * \param genericRegisterName Name of the component instance to register
762 * in Registry & Name Service,
763 * (without _inst_n suffix, like "COMPONENT")
764 * \param handle loaded library handle
765 * \param studyId 0 for multiStudy instance,
766 * study Id (>0) otherwise
767 * \return a loaded component
769 * example with names:
770 * aGenRegisterName = COMPONENT (= first argument)
771 * _containerName = /Containers/cli76ce/FactoryServer
772 * factoryName = COMPONENTEngine_factory
773 * component_registerBase = /Containers/cli76ce/FactoryServer/COMPONENT
774 * instanceName = COMPONENT_inst_1
775 * component_registerName = /Containers/cli76ce/FactoryServer/COMPONENT_inst_1
777 //=============================================================================
778 Engines::EngineComponent_ptr
779 Engines_Parallel_Container_i::createPythonInstance(std::string genericRegisterName, int studyId)
782 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil();
784 int numInstance = _numInstance;
786 sprintf( aNumI , "%d" , numInstance ) ;
787 std::string instanceName = genericRegisterName + "_inst_" + aNumI ;
788 std::string component_registerName = _containerName + "/" + instanceName;
790 Py_ACQUIRE_NEW_THREAD;
791 PyObject *mainmod = PyImport_AddModule("__main__");
792 PyObject *globals = PyModule_GetDict(mainmod);
793 PyObject *pyCont = PyDict_GetItemString(globals, "pyCont");
794 PyObject *result = PyObject_CallMethod(pyCont,
795 (char*)"create_component_instance",
797 genericRegisterName.c_str(),
798 instanceName.c_str(),
802 PyArg_ParseTuple(result,"ss", &ior, &error);
805 Py_RELEASE_NEW_THREAD;
809 CORBA::Object_var obj = _orb->string_to_object(iors.c_str());
810 iobject = Engines::EngineComponent::_narrow(obj);
811 _listInstances_map[instanceName] = iobject;
814 std::cerr << "createPythonInstance ior is empty ! Error in creation" << std::endl;
816 return iobject._retn();
819 //=============================================================================
820 //! Create a new CPP component instance
822 * C++ method: create a servant instance of a component.
823 * \param genericRegisterName Name of the component instance to register
824 * in Registry & Name Service,
825 * (without _inst_n suffix, like "COMPONENT")
826 * \param handle loaded library handle
827 * \param studyId 0 for multiStudy instance,
828 * study Id (>0) otherwise
829 * \return a loaded component
831 * example with names:
832 * aGenRegisterName = COMPONENT (= first argument)
833 * _containerName = /Containers/cli76ce/FactoryServer
834 * factoryName = COMPONENTEngine_factory
835 * component_registerBase = /Containers/cli76ce/FactoryServer/COMPONENT
836 * instanceName = COMPONENT_inst_1
837 * component_registerName = /Containers/cli76ce/FactoryServer/COMPONENT_inst_1
839 //=============================================================================
840 Engines::EngineComponent_ptr
841 Engines_Parallel_Container_i::createCPPInstance(std::string genericRegisterName,
845 MESSAGE("Entering Engines_Parallel_Container_i::createCPPInstance");
847 // --- find the factory
849 std::string aGenRegisterName = genericRegisterName;
850 std::string factory_name = aGenRegisterName + string("Engine_factory");
852 typedef PortableServer::ObjectId * (*FACTORY_FUNCTION_2)
854 PortableServer::POA_ptr,
855 PortableServer::ObjectId *,
859 FACTORY_FUNCTION_2 Component_factory = NULL;
861 Component_factory = (FACTORY_FUNCTION_2)dlsym( handle, factory_name.c_str() );
863 Component_factory = (FACTORY_FUNCTION_2)GetProcAddress( (HINSTANCE)handle, factory_name.c_str() );
866 if (!Component_factory)
868 INFOS("Can't resolve symbol: " + factory_name);
870 INFOS("dlerror() result is : " << dlerror());
872 return Engines::EngineComponent::_nil() ;
875 // --- create instance
876 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
879 int numInstance = _numInstance;
881 sprintf( aNumI , "%d" , numInstance );
882 std::string instanceName = aGenRegisterName + "_inst_" + aNumI;
883 std::string component_registerName =
884 _containerName + "/" + instanceName;
886 // --- Instanciate required CORBA object
888 PortableServer::ObjectId *id; //not owner, do not delete (nore use var)
889 id = (Component_factory) ( _orb, _poa, _id, instanceName.c_str(),
890 aGenRegisterName.c_str() );
893 INFOS("Factory function returns NULL !");
894 return iobject._retn();
897 // --- get reference & servant from id
898 CORBA::Object_var obj = _poa->id_to_reference(*id);
899 iobject = Engines::EngineComponent::_narrow(obj);
901 Engines_Component_i *servant =
902 dynamic_cast<Engines_Component_i*>(_poa->reference_to_servant(iobject));
904 servant->_remove_ref(); // compensate previous id_to_reference
905 _listInstances_map[instanceName] = iobject;
906 _cntInstances_map[aGenRegisterName] += 1;
907 #if defined(_DEBUG_) || defined(_DEBUG)
908 bool ret_studyId = servant->setStudyId(studyId);
911 servant->setStudyId(studyId);
914 // --- register the engine under the name
915 // containerName(.dir)/instanceName(.object)
916 _NS->Register(iobject , component_registerName.c_str());
917 MESSAGE( component_registerName.c_str() << " bound" );
921 INFOS( "Container_i::createInstance exception catched" );
923 return iobject._retn();
927 Engines_Parallel_Container_i::create_paco_component_node_instance(const char* componentName,
928 const char* proxy_containerName,
931 // Init de la méthode
933 Engines::EngineComponent_PaCO_var work_node;
934 std::string aCompName = componentName;
935 std::string _proxy_containerName = proxy_containerName;
938 string impl_name = string ("lib") + aCompName +string("Engine.so");
940 string impl_name = aCompName +string("Engine.dll");
942 void* handle = _library_map[impl_name];
943 _numInstanceMutex.lock() ; // lock on the instance number
945 int numInstance = _numInstance ;
946 _numInstanceMutex.unlock() ;
948 sprintf( aNumI , "%d" , numInstance ) ;
949 string instanceName = aCompName + "_inst_" + aNumI ;
951 // Step 1 : Get proxy !
952 string component_registerName = _proxy_containerName + "/" + instanceName;
953 CORBA::Object_var temp = _NS->Resolve(component_registerName.c_str());
954 Engines::EngineComponent_var obj_proxy = Engines::EngineComponent::_narrow(temp);
955 if (CORBA::is_nil(obj_proxy))
957 INFOS("Proxy reference from NamingService is nil !");
958 INFOS("Proxy name was : " << component_registerName);
959 SALOME::ExceptionStruct es;
960 es.type = SALOME::INTERNAL_ERROR;
961 es.text = "Proxy reference from NamingService is nil !";
962 throw SALOME::SALOME_Exception(es);
964 proxy_ior = _orb->object_to_string(obj_proxy);
967 string factory_name = aCompName + string("Engine_factory");
968 FACTORY_FUNCTION Component_factory = (FACTORY_FUNCTION) dlsym(handle, factory_name.c_str());
969 if (!Component_factory)
971 INFOS("Can't resolve symbol : " + factory_name);
973 INFOS("dlerror() result is : " << dlerror());
975 std::string ex_text = "Can't resolve symbol : " + factory_name;
976 SALOME::ExceptionStruct es;
977 es.type = SALOME::INTERNAL_ERROR;
978 es.text = CORBA::string_dup(ex_text.c_str());
979 throw SALOME::SALOME_Exception(es);
985 sprintf(aNumI2 , "%d" , getMyRank()) ;
986 std::string instanceName = aCompName + "_inst_" + aNumI + "_work_node_" + aNumI2;
987 std::string component_registerName = _containerName + "/" + instanceName;
989 // --- Instanciate work node
990 PortableServer::ObjectId *id ; //not owner, do not delete (nore use var)
991 id = (Component_factory) (_orb, proxy_ior, getMyRank(), _poa, _id, instanceName.c_str(), componentName);
992 CORBA::string_free(proxy_ior);
994 // --- get reference & servant from id
995 CORBA::Object_var obj = _poa->id_to_reference(*id);
996 work_node = Engines::EngineComponent_PaCO::_narrow(obj) ;
997 if (CORBA::is_nil(work_node))
999 INFOS("work_node reference from factory is nil !");
1000 SALOME::ExceptionStruct es;
1001 es.type = SALOME::INTERNAL_ERROR;
1002 es.text = "work_node reference from factory is nil !";
1003 throw SALOME::SALOME_Exception(es);
1005 work_node->deploy();
1006 _NS->Register(work_node, component_registerName.c_str());
1007 _par_obj_inst_map[instanceName] = id;
1008 MESSAGE(component_registerName.c_str() << " bound" );
1012 INFOS("Container_i::create_paco_component_node_instance exception catched");
1013 SALOME::ExceptionStruct es;
1014 es.type = SALOME::INTERNAL_ERROR;
1015 es.text = "Container_i::create_paco_component_node_instance exception catched";
1016 throw SALOME::SALOME_Exception(es);
1020 //=============================================================================
1021 //! Decrement component instance reference count
1025 //=============================================================================
1027 void Engines_Parallel_Container_i::decInstanceCnt(std::string genericRegisterName)
1029 if(_cntInstances_map.count(genericRegisterName) !=0 )
1031 std::string aGenRegisterName =genericRegisterName;
1032 MESSAGE("Engines_Parallel_Container_i::decInstanceCnt " << aGenRegisterName);
1033 ASSERT(_cntInstances_map[aGenRegisterName] > 0);
1034 _numInstanceMutex.lock(); // lock to be alone
1035 // (see finalize_removal, load_component_Library)
1036 _cntInstances_map[aGenRegisterName] -= 1;
1037 SCRUTE(_cntInstances_map[aGenRegisterName]);
1038 if (_cntInstances_map[aGenRegisterName] == 0)
1040 std::string impl_name =
1041 Engines_Component_i::GetDynLibraryName(aGenRegisterName.c_str());
1043 void* handle = _library_map[impl_name];
1045 _toRemove_map[impl_name] = handle;
1047 _numInstanceMutex.unlock();
1051 //=============================================================================
1052 //! Indicate if container is a python one
1054 * Retrieves only with container naming convention if it is a python container
1056 //=============================================================================
1058 bool Engines_Parallel_Container_i::isPythonContainer(const char* ContainerName)
1065 // Cette méthode permet de tenir à jour le compteur des
1066 // instances pour le container parallèle.
1067 // En effet losrque l'on charge un composant séquentielle seul
1068 // le compteur du noeud 0 est augmenté, il faut donc tenir les autres
1071 Engines_Parallel_Container_i::updateInstanceNumber()
1073 if (getMyRank() != 0)
1075 _numInstanceMutex.lock();
1077 _numInstanceMutex.unlock();
1081 /*! \brief copy a file from a remote host (container) to the local host
1082 * \param container the remote container
1083 * \param remoteFile the file to copy locally from the remote host into localFile
1084 * \param localFile the local file
1087 Engines_Parallel_Container_i::copyFile(Engines::Container_ptr container, const char* remoteFile, const char* localFile)
1089 Engines::fileTransfer_var fileTransfer = container->getFileTransfer();
1092 if ((fp = fopen(localFile,"wb")) == NULL)
1094 INFOS("file " << localFile << " cannot be open for writing");
1098 CORBA::Long fileId = fileTransfer->open(remoteFile);
1101 Engines::fileBlock* aBlock;
1108 aBlock = fileTransfer->getBlock(fileId);
1109 toFollow = aBlock->length();
1111 CORBA::Octet *buf = aBlock->get_buffer();
1112 fwrite(buf, sizeof(CORBA::Octet), toFollow, fp);
1116 MESSAGE("end of transfer");
1117 fileTransfer->close(fileId);
1121 INFOS("open reference file for copy impossible");
1125 /*! \brief create a PyNode object to execute remote python code
1126 * \param nodeName the name of the node
1127 * \param code the python code to load
1128 * \return the PyNode
1131 Engines_Parallel_Container_i::createPyNode(const char* nodeName, const char* code)
1133 INFOS("Python component not yet implemented");
1134 Engines::PyNode_var node= Engines::PyNode::_nil();
1135 return node._retn();
1138 Engines::PyNode_ptr Engines_Parallel_Container_i::getDefaultPyNode()
1140 INFOS("Python component not yet implemented");
1141 return Engines::PyNode::_nil();
1144 Engines::PyScriptNode_ptr
1145 Engines_Parallel_Container_i::createPyScriptNode(const char* nodeName, const char* cod)
1147 INFOS("Python script node not yet implemented");
1148 Engines::PyScriptNode_var node= Engines::PyScriptNode::_nil();
1149 return node._retn();
1152 Engines::PyScriptNode_ptr Engines_Parallel_Container_i::getDefaultPyScriptNode()
1154 INFOS("Python script node not yet implemented");
1155 return Engines::PyScriptNode::_nil();
1158 //=============================================================================
1162 //=============================================================================
1164 void ActSigIntHandler()
1167 struct sigaction SigIntAct ;
1168 SigIntAct.sa_sigaction = &SigIntHandler ;
1169 SigIntAct.sa_flags = SA_SIGINFO ;
1172 // DEBUG 03.02.2005 : the first parameter of sigaction is not a mask of signals
1173 // (SIGINT | SIGUSR1) :
1174 // it must be only one signal ===> one call for SIGINT
1175 // and an other one for SIGUSR1
1178 if ( sigaction( SIGINT , &SigIntAct, NULL ) ) {
1179 perror("SALOME_Container main ") ;
1182 if ( sigaction( SIGUSR1 , &SigIntAct, NULL ) ) {
1183 perror("SALOME_Container main ") ;
1186 if ( sigaction( SIGUSR2 , &SigIntAct, NULL ) )
1188 perror("SALOME_Container main ") ;
1192 //PAL9042 JR : during the execution of a Signal Handler (and of methods called through Signal Handlers)
1193 // use of streams (and so on) should never be used because :
1194 // streams of C++ are naturally thread-safe and use pthread_mutex_lock ===>
1195 // A stream operation may be interrupted by a signal and if the Handler use stream we
1196 // may have a "Dead-Lock" ===HangUp
1197 //==INFOS is commented
1198 // INFOS(pthread_self() << "SigIntHandler activated") ;
1200 signal( SIGINT, SigIntHandler );
1201 signal( SIGUSR1, SigIntHandler );
1207 void CallCancelThread();
1210 void SigIntHandler(int what , siginfo_t * siginfo ,
1212 //PAL9042 JR : during the execution of a Signal Handler (and of methods called through Signal Handlers)
1213 // use of streams (and so on) should never be used because :
1214 // streams of C++ are naturally thread-safe and use pthread_mutex_lock ===>
1215 // A stream operation may be interrupted by a signal and if the Handler use stream we
1216 // may have a "Dead-Lock" ===HangUp
1217 //==MESSAGE is commented
1218 // MESSAGE(pthread_self() << "SigIntHandler what " << what << endl
1219 // << " si_signo " << siginfo->si_signo << endl
1220 // << " si_code " << siginfo->si_code << endl
1221 // << " si_pid " << siginfo->si_pid) ;
1224 // MESSAGE("SigIntHandler END sleeping.") ;
1228 ActSigIntHandler() ;
1229 if ( siginfo->si_signo == SIGUSR1 ) {
1232 else if ( siginfo->si_signo == SIGUSR2 )
1234 CallCancelThread() ;
1238 // MESSAGE("SigIntHandler BEGIN sleeping.") ;
1240 while( _Sleeping ) {
1244 // MESSAGE("SigIntHandler LEAVE sleeping after " << count << " s.") ;
1250 void SigIntHandler( int what ) {
1251 MESSAGE( pthread_self() << "SigIntHandler what " << what << endl );
1254 MESSAGE("SigIntHandler END sleeping.") ;
1258 ActSigIntHandler() ;
1259 if ( what == SIGUSR1 ) {
1264 MESSAGE("SigIntHandler BEGIN sleeping.") ;
1266 while( _Sleeping ) {
1270 MESSAGE("SigIntHandler LEAVE sleeping after " << count << " s.") ;