1 // Copyright (C) 2007-2021 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
23 // SALOME LifeCycleCORBA : implementation of containers and engines life cycle both in Python and C++
24 // File : SALOME_LifeCycleCORBA.cxx
25 // Author : Paul RASCLE, EDF
39 #include "Basics_Utils.hxx"
41 #include "utilities.h"
43 #include <ServiceUnreachable.hxx>
45 #include "SALOME_LifeCycleCORBA.hxx"
46 #include "SALOME_ResourcesManager.hxx"
47 #include "SALOMESDS_DataServerManager.hxx"
48 #include "SALOME_ExternalServerLauncher.hxx"
50 #include CORBA_CLIENT_HEADER(SALOME_ModuleCatalog)
51 #include CORBA_CLIENT_HEADER(SALOME_Session)
52 #include CORBA_CLIENT_HEADER(DSC_Engines)
53 #include CORBA_CLIENT_HEADER(SALOME_Registry)
54 #include CORBA_CLIENT_HEADER(SALOMEDS)
55 #include CORBA_CLIENT_HEADER(SALOME_SDS)
56 #include CORBA_CLIENT_HEADER(Logger)
57 #include CORBA_CLIENT_HEADER(SALOME_Launcher)
59 #include "SALOME_ResourcesManager.hxx"
60 #include "SALOME_ContainerManager.hxx"
61 #include "SALOME_Component_i.hxx"
62 #include "SALOME_NamingService.hxx"
63 #include "SALOME_FileTransferCORBA.hxx"
65 IncompatibleComponent::IncompatibleComponent( void ):
66 SALOME_Exception( "IncompatibleComponent" )
70 IncompatibleComponent::IncompatibleComponent(const IncompatibleComponent &ex):
71 SALOME_Exception( ex )
75 /*! \class SALOME_LifeCycleCORBA
76 \brief A class to manage life cycle of SALOME components.
80 //=============================================================================
84 //=============================================================================
86 SALOME_LifeCycleCORBA::SALOME_LifeCycleCORBA(SALOME_NamingService_Abstract *ns)
88 // be sure to have an instance of traceCollector, when used via SWIG
90 CORBA::ORB_var orb = KERNEL::GetRefToORB();
91 // LocalTraceCollector *myThreadTrace = SALOMETraceCollector::instance(orb);
95 _NS = new SALOME_NamingService(orb);
100 _NS->Change_Directory("/"); // mpv 250105: current directory may be not root
101 // (in SALOMEDS for an example)
102 // not enough: set a current directory in naming service is not thread safe
103 // if naming service instance is shared among several threads...
104 // ==> always use absolute path and don't rely on current directory!
105 //if( dynamic_cast<SALOME_NamingService *>(_NS) )
107 CORBA::Object_var obj =
108 _NS->Resolve(SALOME_ContainerManager::_ContainerManagerNameInNS);
109 if (CORBA::is_nil(obj))
110 throw SALOME_Exception("Error: Cannot resolve ContainerManager in Naming Service");
111 _ContManager=Engines::ContainerManager::_narrow(obj);
113 obj = _NS->Resolve(SALOME_ResourcesManager::_ResourcesManagerNameInNS);
114 if (CORBA::is_nil(obj))
115 throw SALOME_Exception("Error: Cannot resolve ResourceManager in Naming Service");
116 _ResManager=Engines::ResourcesManager::_narrow(obj);
120 //=============================================================================
124 //=============================================================================
126 SALOME_LifeCycleCORBA::~SALOME_LifeCycleCORBA()
128 if(_NSnew)delete _NSnew;
131 //=============================================================================
132 /*! \brief Find an already existing and registered component instance.
134 * \param params container parameters like type or name...
135 * \param componentName the name of component class
136 * \return a CORBA reference of the component instance, or _nil if not found
138 //=============================================================================
139 Engines::EngineComponent_ptr
140 SALOME_LifeCycleCORBA::FindComponent(const Engines::ContainerParameters& params,
141 const char *componentName)
143 if (! isKnownComponentClass(componentName))
144 return Engines::EngineComponent::_nil();
146 Engines::ContainerParameters new_params(params);
147 new_params.resource_params.componentList.length(1);
148 new_params.resource_params.componentList[0] = componentName;
149 new_params.resource_params.can_run_containers = true;
150 Engines::ResourceList_var listOfResources;
153 listOfResources = _ResManager->GetFittingResources(new_params.resource_params);
155 catch( const SALOME::SALOME_Exception& /*ex*/ ) //!< TODO: unused variable
157 return Engines::EngineComponent::_nil();
160 Engines::EngineComponent_var compo = _FindComponent(new_params,
164 return compo._retn();
167 //=============================================================================
168 /*! \brief Load a component instance on a container defined by its parameters
170 * \param params container parameters like type or name...
171 * \param componentName the name of component class
172 * \return a CORBA reference of the component instance, or _nil if problem
174 //=============================================================================
176 Engines::EngineComponent_ptr
177 SALOME_LifeCycleCORBA::LoadComponent(const Engines::ContainerParameters& params,
178 const char *componentName)
180 // --- Check if Component Name is known in ModuleCatalog
182 if (! isKnownComponentClass(componentName))
183 return Engines::EngineComponent::_nil();
185 Engines::ContainerParameters new_params(params);
186 new_params.resource_params.componentList.length(1);
187 new_params.resource_params.componentList[0] = componentName;
188 new_params.resource_params.can_run_containers = true;
190 Engines::ResourceList_var listOfResources;
193 listOfResources = _ResManager->GetFittingResources(new_params.resource_params);
195 catch( const SALOME::SALOME_Exception& /*ex*/ ) //!< TODO: unused variable
197 return Engines::EngineComponent::_nil();
199 new_params.resource_params.resList = listOfResources;
201 Engines::EngineComponent_var compo = _LoadComponent(new_params,
204 return compo._retn();
207 //=============================================================================
208 /*! \brief Find an already existing and registered component instance or load a new
209 * component instance on a container defined by its parameters.
211 * \param params container parameters like type or name...
212 * \param componentName the name of component class
213 * \return a CORBA reference of the component instance, or _nil if problem
215 //=============================================================================
217 Engines::EngineComponent_ptr
218 SALOME_LifeCycleCORBA::
219 FindOrLoad_Component(const Engines::ContainerParameters& params,
220 const char *componentName)
222 // --- Check if Component Name is known in ModuleCatalog
224 if (! isKnownComponentClass(componentName))
225 return Engines::EngineComponent::_nil();
227 Engines::ContainerParameters new_params(params);
228 new_params.resource_params.componentList.length(1);
229 new_params.resource_params.componentList[0] = componentName;
230 new_params.resource_params.can_run_containers = true;
232 Engines::ResourceList_var listOfResources;
235 listOfResources = _ResManager->GetFittingResources(new_params.resource_params);
237 catch( const SALOME::SALOME_Exception& /*ex*/ ) //!< TODO: unused variable
239 return Engines::EngineComponent::_nil();
242 Engines::EngineComponent_var compo = _FindComponent(new_params,
246 if(CORBA::is_nil(compo))
248 new_params.resource_params.resList = listOfResources;
249 compo = _LoadComponent(new_params,
253 return compo._retn();
256 //=============================================================================
257 /*! \brief Find an already existing and registered component instance or load a new
258 * component instance on a container defined by name
260 * \param containerName the name of container, under one of the forms
261 * - 1 aContainer (local container)
262 * - 2 machine/aContainer (container on hostname = machine)
263 * \param componentName the name of component class
264 * \return a CORBA reference of the component instance, or _nil if problem
266 //=============================================================================
268 Engines::EngineComponent_ptr
269 SALOME_LifeCycleCORBA::FindOrLoad_Component(const char *containerName,
270 const char *componentName)
272 MESSAGE("SALOME_LifeCycleCORBA::FindOrLoad_Component INTERACTIF " << containerName << " " << componentName ) ;
274 // --- Check if Component Name is known in ModuleCatalog
275 if (! isKnownComponentClass(componentName))
276 return Engines::EngineComponent::_nil();
278 // --- Check if containerName contains machine name (if yes: rg>0)
279 char *stContainer=strdup(containerName);
280 std::string st2Container(stContainer);
281 size_t rg=st2Container.find("/");
283 Engines::ContainerParameters params;
285 if (rg == std::string::npos)
287 // containerName doesn't contain "/" => Local container
288 params.container_name = CORBA::string_dup(stContainer);
292 stContainer[rg]='\0';
293 params.container_name = CORBA::string_dup(stContainer+rg+1);
294 params.resource_params.hostname = CORBA::string_dup(stContainer);
296 params.isMPI = false;
297 SCRUTE(params.container_name);
299 return FindOrLoad_Component(params, componentName);
302 //=============================================================================
303 /*! \brief Check if the component class is known in module catalog
305 * \param componentName the name of component class
306 * \return true if found, false otherwise
308 //=============================================================================
310 bool SALOME_LifeCycleCORBA::isKnownComponentClass(const char *componentName)
314 CORBA::Object_var obj = _NS->Resolve("/Kernel/ModulCatalog");
315 SALOME_ModuleCatalog::ModuleCatalog_var Catalog =
316 SALOME_ModuleCatalog::ModuleCatalog::_narrow(obj) ;
317 ASSERT(! CORBA::is_nil(Catalog));
318 SALOME_ModuleCatalog::Acomponent_var compoInfo =
319 Catalog->GetComponent(componentName);
320 if (CORBA::is_nil (compoInfo))
322 MESSAGE("Catalog Error: Component not found in the catalog " << componentName);
327 catch (ServiceUnreachable&)
329 INFOS("Caught exception: Naming Service Unreachable");
333 INFOS("Caught unknown exception.");
338 //=============================================================================
339 /*! \brief Initialisation of a given Engines::ResourceParameters with default values.
341 //=============================================================================
344 SALOME_LifeCycleCORBA::preSet(Engines::ResourceParameters& params)
347 params.hostname = "";
351 params.cpu_clock = 0;
353 params.nb_proc_per_node = 0;
355 params.can_launch_batch_jobs = false;
356 params.can_run_containers = false;
359 //=============================================================================
360 /*! \brief Initialisation of a given Engines::ContainerParameters with default values.
362 //=============================================================================
364 void SALOME_LifeCycleCORBA::preSet( Engines::ContainerParameters& params)
366 params.container_name = "";
368 params.workingdir = "";
370 params.isMPI = false;
371 params.parallelLib = "";
372 SALOME_LifeCycleCORBA::preSet(params.resource_params);
375 //=============================================================================
377 * \return a number of processors not 0, only for MPI containers
379 //=============================================================================
381 int SALOME_LifeCycleCORBA::NbProc(const Engines::ContainerParameters& params)
385 else if( params.nb_proc <= 0 )
388 return params.nb_proc;
391 //=============================================================================
392 /*! \brief Get the container manager
394 * \return the container Manager
396 //=============================================================================
398 Engines::ContainerManager_ptr SALOME_LifeCycleCORBA::getContainerManager()
400 Engines::ContainerManager_var contManager =
401 Engines::ContainerManager::_duplicate(_ContManager);
402 return contManager._retn();
405 //=============================================================================
406 /*! \brief Get the resources manager
408 * \return the container Manager
410 //=============================================================================
412 Engines::ResourcesManager_ptr SALOME_LifeCycleCORBA::getResourcesManager()
414 Engines::ResourcesManager_var resManager =
415 Engines::ResourcesManager::_duplicate(_ResManager);
416 return resManager._retn();
419 //=============================================================================
420 /*! \brief shutdown all the SALOME servers except SALOME_Session_Server and omniNames
422 //=============================================================================
424 void SALOME_LifeCycleCORBA::shutdownServers(bool shutdownLauncher)
426 // get each Container from NamingService => shutdown it
427 // (the order is inverse to the order of servers initialization)
429 SALOME::Session_var session = SALOME::Session::_nil();
431 CORBA::Object_var objS = _NS->Resolve("/Kernel/Session");
432 if (!CORBA::is_nil(objS))
434 session = SALOME::Session::_narrow(objS);
435 if (!CORBA::is_nil(session))
437 pid = session->getPID();
442 std::string hostname = Kernel_Utils::GetHostname();
444 // 1) ConnectionManager
447 CORBA::Object_var objCnM=_NS->Resolve("/ConnectionManager");
448 Engines::ConnectionManager_var connMan=Engines::ConnectionManager::_narrow(objCnM);
449 if ( !CORBA::is_nil(connMan) && ( pid != connMan->getPID() ) )
450 connMan->ShutdownWithExit();
452 catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
454 // ignore and continue
458 ts_req.tv_nsec=100000000;
461 //Wait some time so that ConnectionManager be completely shutdown
463 nanosleep(&ts_req,0);
469 CORBA::Object_var objSDS = _NS->Resolve("/Study");
470 SALOMEDS::Study_var study = SALOMEDS::Study::_narrow(objSDS) ;
471 if ( !CORBA::is_nil(study) && ( pid != study->getPID() ) )
473 _NS->Destroy_Name("/Study");
475 catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
477 // ignore and continue
480 //Wait some time so that study be completely shutdown
482 nanosleep(&ts_req,0);
488 CORBA::Object_var objMC=_NS->Resolve("/Kernel/ModulCatalog");
489 SALOME_ModuleCatalog::ModuleCatalog_var catalog = SALOME_ModuleCatalog::ModuleCatalog::_narrow(objMC);
490 if ( !CORBA::is_nil(catalog) && ( pid != catalog->getPID() ) )
492 _NS->Destroy_Name("/Kernel/ModulCatalog");
494 catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
496 // ignore and continue
499 //Wait some time so that ModulCatalog be completely shutdown
501 nanosleep(&ts_req,0);
503 // 4 ) Remote ScopeServer (the DataServer is hosted by SalomeLauncher shutdown right after on point 6)
506 CORBA::Object_var objDSM(_NS->Resolve(SALOMESDS::DataServerManager::NAME_IN_NS));
507 SALOME::DataServerManager_var dsm(SALOME::DataServerManager::_narrow(objDSM));
508 if ( !CORBA::is_nil(dsm) )
509 dsm->shutdownScopes();
511 catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
513 // ignore and continue
515 // 5) External server launcher (the ExternalServer is hosted by SalomeLauncher shutdown right after on point 6)
518 CORBA::Object_var objDSM(_NS->Resolve(SALOME_ExternalServerLauncher::NAME_IN_NS));
519 SALOME::ExternalServerLauncher_var dsm(SALOME::ExternalServerLauncher::_narrow(objDSM));
520 if ( !CORBA::is_nil(dsm) )
521 dsm->shutdownServers();
523 catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
525 // ignore and continue
530 if(shutdownLauncher){
531 CORBA::Object_var objSL = _NS->Resolve("/SalomeLauncher");
532 Engines::SalomeLauncher_var launcher = Engines::SalomeLauncher::_narrow(objSL);
533 if (!CORBA::is_nil(launcher) && (pid != launcher->getPID()))
534 launcher->Shutdown();
537 catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
539 // ignore and continue
542 //Wait some time so that launcher be completely shutdown
544 nanosleep(&ts_req,0);
550 CORBA::Object_var objR = _NS->Resolve("/Registry");
551 Registry::Components_var registry = Registry::Components::_narrow(objR);
552 if ( !CORBA::is_nil(registry) && ( pid != registry->getPID() ) )
553 registry->Shutdown();
554 _NS->Destroy_Name("/Registry");
556 catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
558 // ignore and continue
562 CORBA::ORB_var orb = KERNEL::GetRefToORB();
564 CORBA::Object_var objLog = CORBA::Object::_nil();
565 CosNaming::NamingContext_var inc;
566 CORBA::Object_var theObj = CORBA::Object::_nil();
567 std::string stdname = "Logger";
568 CosNaming::Name name;
570 name[0].id = CORBA::string_dup(stdname.c_str());
573 if(!CORBA::is_nil(orb))
574 theObj = orb->resolve_initial_references("NameService");
575 if (!CORBA::is_nil(theObj))
576 inc = CosNaming::NamingContext::_narrow(theObj);
581 if(!CORBA::is_nil(inc))
585 objLog = inc->resolve(name);
586 SALOME_Logger::Logger_var logger = SALOME_Logger::Logger::_narrow(objLog);
587 if ( !CORBA::is_nil(logger) )
596 //=============================================================================
597 /*! \brief shutdown omniNames
599 //=============================================================================
601 void SALOME_LifeCycleCORBA::killOmniNames()
603 std::string portNumber (::getenv ("NSPORT") );
604 std::string python_exe;
606 python_exe = std::string("python3");
608 if ( !portNumber.empty() )
612 cmd = std::string("from salome_utils import killOmniNames; ");
613 cmd += std::string("killOmniNames(") + portNumber + "); ";
614 cmd = python_exe + std::string(" -c \"") + cmd +"\"";
616 system( cmd.c_str() );
618 cmd = std::string("from killSalomeWithPort import cleanApplication; ");
619 cmd += std::string("cleanApplication(") + portNumber + "); ";
620 cmd = python_exe + std::string(" -c \"") + cmd +"\"";
622 system( cmd.c_str() );
625 // shutdown portmanager
626 if ( !portNumber.empty() )
630 cmd = std::string("from PortManager import releasePort; ");
631 cmd += std::string("releasePort(") + portNumber + "); ";
632 cmd = python_exe + std::string(" -c \"") + cmd +"\"";
634 system( cmd.c_str() );
638 //=============================================================================
639 /*! \brief Find an already existing and registered component instance.
641 * - build a list of machines on which an instance of the component is running,
642 * - find the best machine among the list
644 * \param params machine parameters like type or name...
645 * \param componentName the name of component class
646 * \param listOfMachines list of machine address
647 * \return a CORBA reference of the component instance, or _nil if not found
649 //=============================================================================
651 Engines::EngineComponent_ptr
652 SALOME_LifeCycleCORBA::
653 _FindComponent(const Engines::ContainerParameters& params,
654 const char *componentName,
655 const Engines::ResourceList& listOfResources)
657 // --- build the list of machines on which the component is already running
658 const char *containerName = params.container_name;
659 int nbproc = NbProc(params);
661 Engines::ResourceList_var resourcesOK = new Engines::ResourceList;
663 unsigned int lghtOfresourcesOK = 0;
664 resourcesOK->length(listOfResources.length());
666 for(unsigned int i=0; i < listOfResources.length(); i++)
668 const char * currentResource = listOfResources[i];
669 Engines::ResourceDefinition_var resource_definition =
670 _ResManager->GetResourceDefinition(currentResource);
671 CORBA::Object_var obj = _NS->ResolveComponent(resource_definition->hostname.in(),
675 if (!CORBA::is_nil(obj))
676 resourcesOK[lghtOfresourcesOK++] = CORBA::string_dup(currentResource);
679 // --- find the best machine among the list
680 if(lghtOfresourcesOK != 0)
682 resourcesOK->length(lghtOfresourcesOK);
683 CORBA::String_var bestResource = _ResManager->FindFirst(resourcesOK);
684 Engines::ResourceDefinition_var resource_definition =
685 _ResManager->GetResourceDefinition(bestResource);
686 CORBA::Object_var obj = _NS->ResolveComponent(resource_definition->hostname.in(),
690 return Engines::EngineComponent::_narrow(obj);
693 return Engines::EngineComponent::_nil();
696 //=============================================================================
697 /*! \brief Load a component instance.
699 * - Finds a container in the list of machine or start one.
700 * - Try to load the component library in the container,
701 * - then create an instance of the component.
703 * \param params machine parameters like type or name...
704 * \param componentName the name of component class
705 * \return a CORBA reference of the component instance, or _nil if problem
707 //=============================================================================
709 Engines::EngineComponent_ptr
710 SALOME_LifeCycleCORBA::
711 _LoadComponent(const Engines::ContainerParameters& params,
712 const char *componentName)
714 MESSAGE("_LoadComponent, required " << params.container_name <<
715 " " << componentName << " " << NbProc(params));
717 Engines::ContainerParameters local_params(params);
718 local_params.mode = CORBA::string_dup("findorstart");
719 Engines::Container_var cont = _ContManager->GiveContainer(local_params);
720 if (CORBA::is_nil(cont)) return Engines::EngineComponent::_nil();
723 bool isLoadable = cont->load_component_Library(componentName,reason);
726 //std::cerr << reason << std::endl;
727 CORBA::string_free(reason);
728 return Engines::EngineComponent::_nil();
730 CORBA::string_free(reason);
732 Engines::EngineComponent_var myInstance =
733 cont->create_component_instance(componentName);
734 return myInstance._retn();
737 //=============================================================================
738 /*! \brief Load a parallel component instance.
740 * \param params machine parameters like type or name...
741 * \param componentName the name of component class
742 * \return a CORBA reference of the parallel component instance, or _nil if problem
744 //=============================================================================
745 Engines::EngineComponent_ptr
746 SALOME_LifeCycleCORBA::Load_ParallelComponent(const Engines::ContainerParameters& params,
747 const char *componentName)
749 MESSAGE("Entering LoadParallelComponent");
751 /*MESSAGE("Parameters : ");
752 MESSAGE("Container name : " << params.container_name);
753 MESSAGE("Number of component nodes : " << params.nb_component_nodes);
754 MESSAGE("Component Name : " << componentName);*/
756 Engines::ContainerParameters parms(params);
757 parms.resource_params.componentList.length(1);
758 parms.resource_params.componentList[0] = componentName;
759 parms.mode = CORBA::string_dup("findorstart");
761 MESSAGE("Starting Parallel Container");
762 Engines::Container_var cont = _ContManager->GiveContainer(parms);
763 if (CORBA::is_nil(cont)) {
764 INFOS("FindOrStartParallelContainer() returns a NULL container !");
765 return Engines::EngineComponent::_nil();
768 MESSAGE("Loading component library");
770 bool isLoadable = cont->load_component_Library(componentName,reason);
772 INFOS(componentName <<" library is not loadable !");
773 //std::cerr << reason << std::endl;
774 CORBA::string_free(reason);
775 return Engines::EngineComponent::_nil();
777 CORBA::string_free(reason);
779 MESSAGE("Creating component instance");
780 // @PARALLEL@ permits to identify that the component requested
781 // is a parallel component.
782 std::string name = std::string(componentName);
783 Engines::EngineComponent_var myInstance = cont->create_component_instance(name.c_str());
784 if (CORBA::is_nil(myInstance))
785 INFOS("create_component_instance returns a NULL component !");
786 return myInstance._retn();
789 /*! \brief copy a file from a source host to a destination host
790 * \param hostSrc the source host
791 * \param fileSrc the file to copy from the source host to the destination host
792 * \param hostDest the destination host
793 * \param fileDest the destination file
795 void SALOME_LifeCycleCORBA::copyFile(const char* hostSrc, const char* fileSrc, const char* hostDest, const char* fileDest)
797 if(strcmp(hostDest,"localhost") == 0)
799 //if localhost use a shortcut
800 SALOME_FileTransferCORBA transfer(hostSrc,fileSrc);
801 transfer.getLocalFile(fileDest);
805 Engines::ContainerManager_var contManager = getContainerManager();
807 Engines::ContainerParameters params;
810 params.resource_params.hostname = hostDest;
811 params.mode = CORBA::string_dup("findorstart");
812 Engines::Container_var containerDest = contManager->GiveContainer(params);
814 params.resource_params.hostname = hostSrc;
815 Engines::Container_var containerSrc = contManager->GiveContainer(params);
817 containerDest->copyFile(containerSrc,fileSrc,fileDest);
820 /*! \brief get the naming service used by the life cycle
822 * \return the naming service
824 SALOME_NamingService_Abstract * SALOME_LifeCycleCORBA::namingService()
829 /*! \brief get the orb used by the life cycle
833 CORBA::ORB_ptr SALOME_LifeCycleCORBA::orb()
835 SALOME_NamingService *NSC = dynamic_cast<SALOME_NamingService *>(_NS);
837 THROW_SALOME_EXCEPTION("SALOME_LifeCycleCORBA::orb : not a CORBA SALOME_NamingService ");