1 // Copyright (C) 2007-2013 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.
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 //=============================================================================
494 //! Find or create a new component instance
496 * CORBA method: find or create an instance of the component (servant),
497 * load a new component class (dynamic library) if required,
498 * ---- FOR COMPATIBILITY WITH 2.2 ----
499 * ---- USE ONLY FOR MULTISTUDY INSTANCES ! --------
500 * The servant registers itself to naming service and Registry.
501 * \param genericRegisterName Name of the component to register
502 * in Registry & Name Service
503 * \param componentName Name of the constructed library of the component
504 * \return a loaded component
506 //=============================================================================
508 Engines::EngineComponent_ptr Engines_Parallel_Container_i::load_impl( const char* genericRegisterName,
509 const char* componentName )
511 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil();
513 if (load_component_Library(genericRegisterName,reason))
514 iobject = find_or_create_instance(genericRegisterName);
515 CORBA::string_free(reason);
516 return iobject._retn();
520 //=============================================================================
521 //! Remove the component instance from container
523 * CORBA method: Stops the component servant, and deletes all related objects
524 * \param component_i Component to be removed
526 //=============================================================================
528 void Engines_Parallel_Container_i::remove_impl(Engines::EngineComponent_ptr component_i)
530 ASSERT(!CORBA::is_nil(component_i));
531 std::string instanceName = component_i->instanceName();
532 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
533 // Test if the component is in this container
534 std::map<std::string, Engines::EngineComponent_var>::iterator itm;
535 itm = _listInstances_map.find(instanceName);
536 if (itm != _listInstances_map.end())
538 MESSAGE("Unloading component " << instanceName);
539 _listInstances_map.erase(instanceName);
540 component_i->destroy() ;
541 _NS->Destroy_Name(instanceName.c_str());
544 std::cerr << "WARNING !!!! component instance was not in this container !!!" << std::endl;
545 _numInstanceMutex.unlock() ;
548 //=============================================================================
549 //! Unload component libraries from the container
551 * CORBA method: Discharges unused libraries from the container.
553 //=============================================================================
555 void Engines_Parallel_Container_i::finalize_removal()
557 MESSAGE("Finalize removal : dlclose");
558 MESSAGE("WARNING FINALIZE DOES CURRENTLY NOTHING !!!");
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;
569 // SCRUTE(impl_name);
570 // dlclose(handle); // SALOME unstable after ...
571 // _library_map.erase(impl_name);
575 _numInstanceMutex.lock(); // lock to be alone
576 _toRemove_map.clear();
577 _numInstanceMutex.unlock();
580 //=============================================================================
581 //! Kill the container
583 * CORBA method: Kill the container process with exit(0).
584 * To remove : never returns !
586 //=============================================================================
588 bool Engines_Parallel_Container_i::Kill_impl()
590 MESSAGE("Engines_Parallel_Container_i::Kill() my pid is "<< _pid
591 << " my containerName is " << _containerName.c_str()
592 << " my machineName is " << _hostname.c_str());
593 INFOS("===============================================================");
594 INFOS("= REMOVE calls to Kill_impl in C++ container =");
595 INFOS("===============================================================");
601 //=============================================================================
602 //! Get or create a file reference object associated to a local file (to transfer it)
604 * CORBA method: get or create a fileRef object associated to a local file
605 * (a file on the computer on which runs the container server), which stores
606 * a list of (machine, localFileName) corresponding to copies already done.
608 * \param origFileName absolute path for a local file to copy on other
610 * \return a fileRef object associated to the file.
612 //=============================================================================
615 Engines_Parallel_Container_i::createFileRef(const char* origFileName)
617 std::string origName(origFileName);
618 Engines::fileRef_var theFileRef = Engines::fileRef::_nil();
620 if (origName[0] != '/')
622 INFOS("path of file to copy must be an absolute path begining with '/'");
623 return Engines::fileRef::_nil();
626 if (CORBA::is_nil(_fileRef_map[origName]))
628 CORBA::Object_var obj=_poa->id_to_reference(*_id);
629 Engines::Container_var pCont = Engines::Container::_narrow(obj);
630 fileRef_i* aFileRef = new fileRef_i(pCont, origFileName);
631 theFileRef = Engines::fileRef::_narrow(aFileRef->_this());
632 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
633 _fileRef_map[origName] = theFileRef;
634 _numInstanceMutex.unlock() ;
637 theFileRef = Engines::fileRef::_duplicate(_fileRef_map[origName]);
638 ASSERT(! CORBA::is_nil(theFileRef));
639 return theFileRef._retn();
642 //=============================================================================
645 * \return a reference to the fileTransfer object
647 //=============================================================================
649 Engines::fileTransfer_ptr
650 Engines_Parallel_Container_i::getFileTransfer()
652 Engines::fileTransfer_var aFileTransfer
653 = Engines::fileTransfer::_duplicate(_fileTransfer);
654 return aFileTransfer._retn();
658 Engines::Salome_file_ptr
659 Engines_Parallel_Container_i::createSalome_file(const char* origFileName)
661 string origName(origFileName);
662 if (CORBA::is_nil(_Salome_file_map[origName]))
664 Salome_file_i* aSalome_file = new Salome_file_i();
667 aSalome_file->setLocalFile(origFileName);
668 aSalome_file->recvFiles();
670 catch (const SALOME::SALOME_Exception& e)
672 return Engines::Salome_file::_nil();
675 Engines::Salome_file_var theSalome_file = Engines::Salome_file::_nil();
676 theSalome_file = Engines::Salome_file::_narrow(aSalome_file->_this());
677 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
678 _Salome_file_map[origName] = theSalome_file;
679 _numInstanceMutex.unlock() ;
682 Engines::Salome_file_ptr theSalome_file =
683 Engines::Salome_file::_duplicate(_Salome_file_map[origName]);
684 ASSERT(!CORBA::is_nil(theSalome_file));
685 return theSalome_file;
689 //=============================================================================
690 //! Finds an already existing component instance or create a new instance
692 * C++ method: Finds an already existing servant instance of a component, or
693 * create an instance.
694 * ---- USE ONLY FOR MULTISTUDY INSTANCES ! --------
695 * \param genericRegisterName Name of the component instance to register
696 * in Registry & Name Service,
697 * (without _inst_n suffix, like "COMPONENT")
698 * \return a loaded component
700 * example with names:
701 * aGenRegisterName = COMPONENT (= first argument)
702 * impl_name = libCOMPONENTEngine.so (= second argument)
703 * _containerName = /Containers/cli76ce/FactoryServer
704 * factoryName = COMPONENTEngine_factory
705 * component_registerBase = /Containers/cli76ce/FactoryServer/COMPONENT
707 * instanceName = COMPONENT_inst_1
708 * component_registerName = /Containers/cli76ce/FactoryServer/COMPONENT_inst_1
710 //=============================================================================
712 Engines::EngineComponent_ptr
713 Engines_Parallel_Container_i::find_or_create_instance(std::string genericRegisterName)
715 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil();
718 std::string aGenRegisterName = genericRegisterName;
719 // --- find a registered instance in naming service, or create
720 std::string component_registerBase = _containerName + "/" + aGenRegisterName;
721 CORBA::Object_var obj = _NS->ResolveFirst(component_registerBase.c_str());
722 if (CORBA::is_nil( obj ))
724 iobject = create_component_instance(genericRegisterName.c_str(),
725 0); // force multiStudy instance here !
729 iobject = Engines::EngineComponent::_narrow(obj) ;
730 Engines_Component_i *servant = dynamic_cast<Engines_Component_i*>(_poa->reference_to_servant(iobject));
732 int studyId = servant->getStudyId();
733 ASSERT (studyId >= 0);
734 if (studyId != 0) // monoStudy instance: NOK
736 iobject = Engines::EngineComponent::_nil();
737 INFOS("load_impl & find_component_instance methods "
738 << "NOT SUITABLE for mono study components");
744 INFOS( "Container_i::load_impl catched" ) ;
746 return iobject._retn();
749 //=============================================================================
750 //! Create a new Python component instance
752 * C++ method: create a servant instance of a component.
753 * \param genericRegisterName Name of the component instance to register
754 * in Registry & Name Service,
755 * (without _inst_n suffix, like "COMPONENT")
756 * \param handle loaded library handle
757 * \param studyId 0 for multiStudy instance,
758 * study Id (>0) otherwise
759 * \return a loaded component
761 * example with names:
762 * aGenRegisterName = COMPONENT (= first argument)
763 * _containerName = /Containers/cli76ce/FactoryServer
764 * factoryName = COMPONENTEngine_factory
765 * component_registerBase = /Containers/cli76ce/FactoryServer/COMPONENT
766 * instanceName = COMPONENT_inst_1
767 * component_registerName = /Containers/cli76ce/FactoryServer/COMPONENT_inst_1
769 //=============================================================================
770 Engines::EngineComponent_ptr
771 Engines_Parallel_Container_i::createPythonInstance(std::string genericRegisterName, int studyId)
774 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil();
776 int numInstance = _numInstance;
778 sprintf( aNumI , "%d" , numInstance ) ;
779 std::string instanceName = genericRegisterName + "_inst_" + aNumI ;
780 std::string component_registerName = _containerName + "/" + instanceName;
782 Py_ACQUIRE_NEW_THREAD;
783 PyObject *mainmod = PyImport_AddModule("__main__");
784 PyObject *globals = PyModule_GetDict(mainmod);
785 PyObject *pyCont = PyDict_GetItemString(globals, "pyCont");
786 PyObject *result = PyObject_CallMethod(pyCont,
787 (char*)"create_component_instance",
789 genericRegisterName.c_str(),
790 instanceName.c_str(),
794 PyArg_ParseTuple(result,"ss", &ior, &error);
797 Py_RELEASE_NEW_THREAD;
801 CORBA::Object_var obj = _orb->string_to_object(iors.c_str());
802 iobject = Engines::EngineComponent::_narrow(obj);
803 _listInstances_map[instanceName] = iobject;
806 std::cerr << "createPythonInstance ior is empty ! Error in creation" << std::endl;
808 return iobject._retn();
811 //=============================================================================
812 //! Create a new CPP component instance
814 * C++ method: create a servant instance of a component.
815 * \param genericRegisterName Name of the component instance to register
816 * in Registry & Name Service,
817 * (without _inst_n suffix, like "COMPONENT")
818 * \param handle loaded library handle
819 * \param studyId 0 for multiStudy instance,
820 * study Id (>0) otherwise
821 * \return a loaded component
823 * example with names:
824 * aGenRegisterName = COMPONENT (= first argument)
825 * _containerName = /Containers/cli76ce/FactoryServer
826 * factoryName = COMPONENTEngine_factory
827 * component_registerBase = /Containers/cli76ce/FactoryServer/COMPONENT
828 * instanceName = COMPONENT_inst_1
829 * component_registerName = /Containers/cli76ce/FactoryServer/COMPONENT_inst_1
831 //=============================================================================
832 Engines::EngineComponent_ptr
833 Engines_Parallel_Container_i::createCPPInstance(std::string genericRegisterName,
837 MESSAGE("Entering Engines_Parallel_Container_i::createCPPInstance");
839 // --- find the factory
841 std::string aGenRegisterName = genericRegisterName;
842 std::string factory_name = aGenRegisterName + string("Engine_factory");
844 typedef PortableServer::ObjectId * (*FACTORY_FUNCTION_2)
846 PortableServer::POA_ptr,
847 PortableServer::ObjectId *,
851 FACTORY_FUNCTION_2 Component_factory = NULL;
853 Component_factory = (FACTORY_FUNCTION_2)dlsym( handle, factory_name.c_str() );
855 Component_factory = (FACTORY_FUNCTION_2)GetProcAddress( (HINSTANCE)handle, factory_name.c_str() );
858 if (!Component_factory)
860 INFOS("Can't resolve symbol: " + factory_name);
862 INFOS("dlerror() result is : " << dlerror());
864 return Engines::EngineComponent::_nil() ;
867 // --- create instance
868 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
871 int numInstance = _numInstance;
873 sprintf( aNumI , "%d" , numInstance );
874 std::string instanceName = aGenRegisterName + "_inst_" + aNumI;
875 std::string component_registerName =
876 _containerName + "/" + instanceName;
878 // --- Instanciate required CORBA object
880 PortableServer::ObjectId *id; //not owner, do not delete (nore use var)
881 id = (Component_factory) ( _orb, _poa, _id, instanceName.c_str(),
882 aGenRegisterName.c_str() );
885 INFOS("Factory function returns NULL !");
886 return iobject._retn();
889 // --- get reference & servant from id
890 CORBA::Object_var obj = _poa->id_to_reference(*id);
891 iobject = Engines::EngineComponent::_narrow(obj);
893 Engines_Component_i *servant =
894 dynamic_cast<Engines_Component_i*>(_poa->reference_to_servant(iobject));
896 servant->_remove_ref(); // compensate previous id_to_reference
897 _listInstances_map[instanceName] = iobject;
898 _cntInstances_map[aGenRegisterName] += 1;
899 #if defined(_DEBUG_) || defined(_DEBUG)
900 bool ret_studyId = servant->setStudyId(studyId);
903 servant->setStudyId(studyId);
906 // --- register the engine under the name
907 // containerName(.dir)/instanceName(.object)
908 _NS->Register(iobject , component_registerName.c_str());
909 MESSAGE( component_registerName.c_str() << " bound" );
913 INFOS( "Container_i::createInstance exception catched" );
915 return iobject._retn();
919 Engines_Parallel_Container_i::create_paco_component_node_instance(const char* componentName,
920 const char* proxy_containerName,
923 // Init de la méthode
925 Engines::EngineComponent_PaCO_var work_node;
926 std::string aCompName = componentName;
927 std::string _proxy_containerName = proxy_containerName;
930 string impl_name = string ("lib") + aCompName +string("Engine.so");
932 string impl_name = aCompName +string("Engine.dll");
934 void* handle = _library_map[impl_name];
935 _numInstanceMutex.lock() ; // lock on the instance number
937 int numInstance = _numInstance ;
938 _numInstanceMutex.unlock() ;
940 sprintf( aNumI , "%d" , numInstance ) ;
941 string instanceName = aCompName + "_inst_" + aNumI ;
943 // Step 1 : Get proxy !
944 string component_registerName = _proxy_containerName + "/" + instanceName;
945 CORBA::Object_var temp = _NS->Resolve(component_registerName.c_str());
946 Engines::EngineComponent_var obj_proxy = Engines::EngineComponent::_narrow(temp);
947 if (CORBA::is_nil(obj_proxy))
949 INFOS("Proxy reference from NamingService is nil !");
950 INFOS("Proxy name was : " << component_registerName);
951 SALOME::ExceptionStruct es;
952 es.type = SALOME::INTERNAL_ERROR;
953 es.text = "Proxy reference from NamingService is nil !";
954 throw SALOME::SALOME_Exception(es);
956 proxy_ior = _orb->object_to_string(obj_proxy);
959 string factory_name = aCompName + string("Engine_factory");
960 FACTORY_FUNCTION Component_factory = (FACTORY_FUNCTION) dlsym(handle, factory_name.c_str());
961 if (!Component_factory)
963 INFOS("Can't resolve symbol : " + factory_name);
965 INFOS("dlerror() result is : " << dlerror());
967 std::string ex_text = "Can't resolve symbol : " + factory_name;
968 SALOME::ExceptionStruct es;
969 es.type = SALOME::INTERNAL_ERROR;
970 es.text = CORBA::string_dup(ex_text.c_str());
971 throw SALOME::SALOME_Exception(es);
977 sprintf(aNumI2 , "%d" , getMyRank()) ;
978 std::string instanceName = aCompName + "_inst_" + aNumI + "_work_node_" + aNumI2;
979 std::string component_registerName = _containerName + "/" + instanceName;
981 // --- Instanciate work node
982 PortableServer::ObjectId *id ; //not owner, do not delete (nore use var)
983 id = (Component_factory) (_orb, proxy_ior, getMyRank(), _poa, _id, instanceName.c_str(), componentName);
984 CORBA::string_free(proxy_ior);
986 // --- get reference & servant from id
987 CORBA::Object_var obj = _poa->id_to_reference(*id);
988 work_node = Engines::EngineComponent_PaCO::_narrow(obj) ;
989 if (CORBA::is_nil(work_node))
991 INFOS("work_node reference from factory is nil !");
992 SALOME::ExceptionStruct es;
993 es.type = SALOME::INTERNAL_ERROR;
994 es.text = "work_node reference from factory is nil !";
995 throw SALOME::SALOME_Exception(es);
998 _NS->Register(work_node, component_registerName.c_str());
999 _par_obj_inst_map[instanceName] = id;
1000 MESSAGE(component_registerName.c_str() << " bound" );
1004 INFOS("Container_i::create_paco_component_node_instance exception catched");
1005 SALOME::ExceptionStruct es;
1006 es.type = SALOME::INTERNAL_ERROR;
1007 es.text = "Container_i::create_paco_component_node_instance exception catched";
1008 throw SALOME::SALOME_Exception(es);
1012 //=============================================================================
1013 //! Decrement component instance reference count
1017 //=============================================================================
1019 void Engines_Parallel_Container_i::decInstanceCnt(std::string genericRegisterName)
1021 if(_cntInstances_map.count(genericRegisterName) !=0 )
1023 std::string aGenRegisterName =genericRegisterName;
1024 MESSAGE("Engines_Parallel_Container_i::decInstanceCnt " << aGenRegisterName);
1025 ASSERT(_cntInstances_map[aGenRegisterName] > 0);
1026 _numInstanceMutex.lock(); // lock to be alone
1027 // (see finalize_removal, load_component_Library)
1028 _cntInstances_map[aGenRegisterName] -= 1;
1029 SCRUTE(_cntInstances_map[aGenRegisterName]);
1030 if (_cntInstances_map[aGenRegisterName] == 0)
1032 std::string impl_name =
1033 Engines_Component_i::GetDynLibraryName(aGenRegisterName.c_str());
1035 void* handle = _library_map[impl_name];
1037 _toRemove_map[impl_name] = handle;
1039 _numInstanceMutex.unlock();
1043 //=============================================================================
1044 //! Indicate if container is a python one
1046 * Retrieves only with container naming convention if it is a python container
1048 //=============================================================================
1050 bool Engines_Parallel_Container_i::isPythonContainer(const char* ContainerName)
1057 // Cette méthode permet de tenir à jour le compteur des
1058 // instances pour le container parallèle.
1059 // En effet losrque l'on charge un composant séquentielle seul
1060 // le compteur du noeud 0 est augmenté, il faut donc tenir les autres
1063 Engines_Parallel_Container_i::updateInstanceNumber()
1065 if (getMyRank() != 0)
1067 _numInstanceMutex.lock();
1069 _numInstanceMutex.unlock();
1073 /*! \brief copy a file from a remote host (container) to the local host
1074 * \param container the remote container
1075 * \param remoteFile the file to copy locally from the remote host into localFile
1076 * \param localFile the local file
1079 Engines_Parallel_Container_i::copyFile(Engines::Container_ptr container, const char* remoteFile, const char* localFile)
1081 Engines::fileTransfer_var fileTransfer = container->getFileTransfer();
1084 if ((fp = fopen(localFile,"wb")) == NULL)
1086 INFOS("file " << localFile << " cannot be open for writing");
1090 CORBA::Long fileId = fileTransfer->open(remoteFile);
1093 Engines::fileBlock* aBlock;
1100 aBlock = fileTransfer->getBlock(fileId);
1101 toFollow = aBlock->length();
1103 CORBA::Octet *buf = aBlock->get_buffer();
1104 fwrite(buf, sizeof(CORBA::Octet), toFollow, fp);
1108 MESSAGE("end of transfer");
1109 fileTransfer->close(fileId);
1113 INFOS("open reference file for copy impossible");
1117 /*! \brief create a PyNode object to execute remote python code
1118 * \param nodeName the name of the node
1119 * \param code the python code to load
1120 * \return the PyNode
1123 Engines_Parallel_Container_i::createPyNode(const char* nodeName, const char* code)
1125 INFOS("Python component not yet implemented");
1126 Engines::PyNode_var node= Engines::PyNode::_nil();
1127 return node._retn();
1130 Engines::PyScriptNode_ptr
1131 Engines_Parallel_Container_i::createPyScriptNode(const char* nodeName, const char* cod)
1133 INFOS("Python script node not yet implemented");
1134 Engines::PyScriptNode_var node= Engines::PyScriptNode::_nil();
1135 return node._retn();
1138 //=============================================================================
1142 //=============================================================================
1144 void ActSigIntHandler()
1147 struct sigaction SigIntAct ;
1148 SigIntAct.sa_sigaction = &SigIntHandler ;
1149 SigIntAct.sa_flags = SA_SIGINFO ;
1152 // DEBUG 03.02.2005 : the first parameter of sigaction is not a mask of signals
1153 // (SIGINT | SIGUSR1) :
1154 // it must be only one signal ===> one call for SIGINT
1155 // and an other one for SIGUSR1
1158 if ( sigaction( SIGINT , &SigIntAct, NULL ) ) {
1159 perror("SALOME_Container main ") ;
1162 if ( sigaction( SIGUSR1 , &SigIntAct, NULL ) ) {
1163 perror("SALOME_Container main ") ;
1166 if ( sigaction( SIGUSR2 , &SigIntAct, NULL ) )
1168 perror("SALOME_Container main ") ;
1172 //PAL9042 JR : during the execution of a Signal Handler (and of methods called through Signal Handlers)
1173 // use of streams (and so on) should never be used because :
1174 // streams of C++ are naturally thread-safe and use pthread_mutex_lock ===>
1175 // A stream operation may be interrupted by a signal and if the Handler use stream we
1176 // may have a "Dead-Lock" ===HangUp
1177 //==INFOS is commented
1178 // INFOS(pthread_self() << "SigIntHandler activated") ;
1180 signal( SIGINT, SigIntHandler );
1181 signal( SIGUSR1, SigIntHandler );
1187 void CallCancelThread();
1190 void SigIntHandler(int what , siginfo_t * siginfo ,
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 //==MESSAGE is commented
1198 // MESSAGE(pthread_self() << "SigIntHandler what " << what << endl
1199 // << " si_signo " << siginfo->si_signo << endl
1200 // << " si_code " << siginfo->si_code << endl
1201 // << " si_pid " << siginfo->si_pid) ;
1204 // MESSAGE("SigIntHandler END sleeping.") ;
1208 ActSigIntHandler() ;
1209 if ( siginfo->si_signo == SIGUSR1 ) {
1212 else if ( siginfo->si_signo == SIGUSR2 )
1214 CallCancelThread() ;
1218 // MESSAGE("SigIntHandler BEGIN sleeping.") ;
1220 while( _Sleeping ) {
1224 // MESSAGE("SigIntHandler LEAVE sleeping after " << count << " s.") ;
1230 void SigIntHandler( int what ) {
1231 MESSAGE( pthread_self() << "SigIntHandler what " << what << endl );
1234 MESSAGE("SigIntHandler END sleeping.") ;
1238 ActSigIntHandler() ;
1239 if ( what == SIGUSR1 ) {
1244 MESSAGE("SigIntHandler BEGIN sleeping.") ;
1246 while( _Sleeping ) {
1250 MESSAGE("SigIntHandler LEAVE sleeping after " << count << " s.") ;