-// SALOME LifeCycleCORBA : implementation of containers and engines life cycle both in Python and C++
+// Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
-// Copyright (C) 2003 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+// SALOME LifeCycleCORBA : implementation of containers and engines life cycle both in Python and C++
// File : SALOME_LifeCycleCORBA.cxx
// Author : Paul RASCLE, EDF
// Module : SALOME
-// $Header$
#include <iostream>
#include <fstream>
#include <sstream>
#include <iomanip>
-#include "OpUtil.hxx"
+#include <time.h>
+#ifndef WIN32
+ #include <sys/time.h>
+ #include <unistd.h>
+#endif
+
+#include "Basics_Utils.hxx"
#include "utilities.h"
#include <ServiceUnreachable.hxx>
#include "SALOME_LifeCycleCORBA.hxx"
+#include "SALOME_ResourcesManager.hxx"
+#include "SALOMESDS_DataServerManager.hxx"
+#include "SALOME_ExternalServerLauncher.hxx"
+
#include CORBA_CLIENT_HEADER(SALOME_ModuleCatalog)
+#include CORBA_CLIENT_HEADER(SALOME_Session)
+#include CORBA_CLIENT_HEADER(DSC_Engines)
+#include CORBA_CLIENT_HEADER(SALOME_Registry)
+#include CORBA_CLIENT_HEADER(SALOMEDS)
+#include CORBA_CLIENT_HEADER(SALOME_SDS)
+#include CORBA_CLIENT_HEADER(Logger)
+#include CORBA_CLIENT_HEADER(SALOME_Launcher)
+
+#include "SALOME_ResourcesManager.hxx"
#include "SALOME_ContainerManager.hxx"
#include "SALOME_Component_i.hxx"
#include "SALOME_NamingService.hxx"
-using namespace std;
+#include "SALOME_FileTransferCORBA.hxx"
+
+IncompatibleComponent::IncompatibleComponent( void ):
+ SALOME_Exception( "IncompatibleComponent" )
+{
+}
-SALOME_LifeCycleCORBA::SALOME_LifeCycleCORBA(SALOME_NamingService *ns)
+IncompatibleComponent::IncompatibleComponent(const IncompatibleComponent &ex):
+ SALOME_Exception( ex )
{
- _NS = ns;
+}
+
+/*! \class SALOME_LifeCycleCORBA
+ \brief A class to manage life cycle of SALOME components.
+
+*/
+
+//=============================================================================
+/*!
+ * Constructor
+ */
+//=============================================================================
+
+SALOME_LifeCycleCORBA::SALOME_LifeCycleCORBA(SALOME_NamingService_Abstract *ns)
+{
+ // be sure to have an instance of traceCollector, when used via SWIG
+ // in a Python module
+ int argc = 0;
+ char *xargv = (char*)"";
+ char **argv = &xargv;
+ CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
+ // LocalTraceCollector *myThreadTrace = SALOMETraceCollector::instance(orb);
+ _NSnew=0;
+ if (!ns)
+ {
+ _NS = new SALOME_NamingService(orb);
+ _NSnew=_NS;
+ }
+ else _NS = ns;
//add try catch
- CORBA::Object_var obj=_NS->Resolve(SALOME_ContainerManager::_ContainerManagerNameInNS);
- ASSERT( !CORBA::is_nil(obj));
- _ContManager=Engines::ContainerManager::_narrow(obj);
+ _NS->Change_Directory("/"); // mpv 250105: current directory may be not root
+ // (in SALOMEDS for an example)
+ // not enough: set a current directory in naming service is not thread safe
+ // if naming service instance is shared among several threads...
+ // ==> always use absolute path and don't rely on current directory!
+ //if( dynamic_cast<SALOME_NamingService *>(_NS) )
+ {
+ CORBA::Object_var obj =
+ _NS->Resolve(SALOME_ContainerManager::_ContainerManagerNameInNS);
+ if (CORBA::is_nil(obj))
+ throw SALOME_Exception("Error: Cannot resolve ContainerManager in Naming Service");
+ _ContManager=Engines::ContainerManager::_narrow(obj);
+
+ obj = _NS->Resolve(SALOME_ResourcesManager::_ResourcesManagerNameInNS);
+ if (CORBA::is_nil(obj))
+ throw SALOME_Exception("Error: Cannot resolve ResourceManager in Naming Service");
+ _ResManager=Engines::ResourcesManager::_narrow(obj);
+ }
}
+//=============================================================================
+/*!
+ * Destructor
+ */
+//=============================================================================
+
SALOME_LifeCycleCORBA::~SALOME_LifeCycleCORBA()
{
+ if(_NSnew)delete _NSnew;
}
-string SALOME_LifeCycleCORBA::ContainerName(
- const char * aComputerContainer ,
- string * theComputer ,
- string * theContainer ) {
- char * ContainerName = new char [ strlen( aComputerContainer ) + 1 ] ;
- strcpy( ContainerName , aComputerContainer ) ;
- string theComputerContainer("/Containers/");
- char * slash = strchr( ContainerName , '/' ) ;
- if ( !slash ) {
- *theComputer = GetHostname() ;
- theComputerContainer += *theComputer ;
- theComputerContainer += "/" ;
- *theContainer = ContainerName ;
- theComputerContainer += *theContainer ;
- }
- else {
- slash[ 0 ] = '\0' ;
- slash += 1 ;
- *theContainer = slash ;
- if ( !strcmp( ContainerName , "localhost" ) ) {
- *theComputer = GetHostname() ;
+//=============================================================================
+/*! \brief Find an already existing and registered component instance.
+ *
+ * \param params container parameters like type or name...
+ * \param componentName the name of component class
+ * \return a CORBA reference of the component instance, or _nil if not found
+ */
+//=============================================================================
+Engines::EngineComponent_ptr
+SALOME_LifeCycleCORBA::FindComponent(const Engines::ContainerParameters& params,
+ const char *componentName)
+{
+ if (! isKnownComponentClass(componentName))
+ return Engines::EngineComponent::_nil();
+
+ Engines::ContainerParameters new_params(params);
+ new_params.resource_params.componentList.length(1);
+ new_params.resource_params.componentList[0] = componentName;
+ new_params.resource_params.can_run_containers = true;
+ Engines::ResourceList_var listOfResources;
+ try
+ {
+ listOfResources = _ResManager->GetFittingResources(new_params.resource_params);
}
- else {
- *theComputer = ContainerName ;
+ catch( const SALOME::SALOME_Exception& /*ex*/ ) //!< TODO: unused variable
+ {
+ return Engines::EngineComponent::_nil();
}
- theComputerContainer += *theComputer ;
- theComputerContainer += "/" ;
- theComputerContainer += *theContainer ;
- }
- delete [] ContainerName;
- return theComputerContainer ;
+
+ Engines::EngineComponent_var compo = _FindComponent(new_params,
+ componentName,
+ listOfResources);
+
+ return compo._retn();
}
-bool SALOME_LifeCycleCORBA::isKnownComponentClass(const char *componentName)
+//=============================================================================
+/*! \brief Load a component instance on a container defined by its parameters
+ *
+ * \param params container parameters like type or name...
+ * \param componentName the name of component class
+ * \return a CORBA reference of the component instance, or _nil if problem
+ */
+//=============================================================================
+
+Engines::EngineComponent_ptr
+SALOME_LifeCycleCORBA::LoadComponent(const Engines::ContainerParameters& params,
+ const char *componentName)
{
+ // --- Check if Component Name is known in ModuleCatalog
+
+ if (! isKnownComponentClass(componentName))
+ return Engines::EngineComponent::_nil();
+ Engines::ContainerParameters new_params(params);
+ new_params.resource_params.componentList.length(1);
+ new_params.resource_params.componentList[0] = componentName;
+ new_params.resource_params.can_run_containers = true;
+
+ Engines::ResourceList_var listOfResources;
try
{
- CORBA::Object_var obj = _NS->Resolve("/Kernel/ModulCatalog");
- SALOME_ModuleCatalog::ModuleCatalog_var Catalog =
- SALOME_ModuleCatalog::ModuleCatalog::_narrow(obj) ;
- SALOME_ModuleCatalog::Acomponent_ptr compoInfo =
- Catalog->GetComponent(componentName);
- if (CORBA::is_nil (compoInfo))
- {
- INFOS("Catalog Error : Component not found in the catalog");
- return false;
- }
- else return true;
+ listOfResources = _ResManager->GetFittingResources(new_params.resource_params);
}
- catch (ServiceUnreachable&)
+ catch( const SALOME::SALOME_Exception& /*ex*/ ) //!< TODO: unused variable
{
- INFOS("Caught exception: Naming Service Unreachable");
+ return Engines::EngineComponent::_nil();
}
- catch (...)
+ new_params.resource_params.resList = listOfResources;
+
+ Engines::EngineComponent_var compo = _LoadComponent(new_params,
+ componentName);
+
+ return compo._retn();
+}
+
+//=============================================================================
+/*! \brief Find an already existing and registered component instance or load a new
+ * component instance on a container defined by its parameters.
+ *
+ * \param params container parameters like type or name...
+ * \param componentName the name of component class
+ * \return a CORBA reference of the component instance, or _nil if problem
+ */
+//=============================================================================
+
+Engines::EngineComponent_ptr
+SALOME_LifeCycleCORBA::
+FindOrLoad_Component(const Engines::ContainerParameters& params,
+ const char *componentName)
+{
+ // --- Check if Component Name is known in ModuleCatalog
+
+ if (! isKnownComponentClass(componentName))
+ return Engines::EngineComponent::_nil();
+
+ Engines::ContainerParameters new_params(params);
+ new_params.resource_params.componentList.length(1);
+ new_params.resource_params.componentList[0] = componentName;
+ new_params.resource_params.can_run_containers = true;
+
+ Engines::ResourceList_var listOfResources;
+ try
{
- INFOS("Caught unknown exception.");
+ listOfResources = _ResManager->GetFittingResources(new_params.resource_params);
+ }
+ catch( const SALOME::SALOME_Exception& /*ex*/ ) //!< TODO: unused variable
+ {
+ return Engines::EngineComponent::_nil();
}
- return false;
-}
-string SALOME_LifeCycleCORBA::ComputerPath(
- const char * theComputer ) {
- CORBA::String_var path;
- CORBA::Object_var obj = _NS->Resolve("/Kernel/ModulCatalog");
- SALOME_ModuleCatalog::ModuleCatalog_var Catalog =
- SALOME_ModuleCatalog::ModuleCatalog::_narrow(obj) ;
- try {
- path = Catalog->GetPathPrefix( theComputer );
- }
- catch (SALOME_ModuleCatalog::NotFound&) {
- INFOS("GetPathPrefix(" << theComputer << ") not found!");
- path = "" ;
+ Engines::EngineComponent_var compo = _FindComponent(new_params,
+ componentName,
+ listOfResources);
+
+ if(CORBA::is_nil(compo))
+ {
+ new_params.resource_params.resList = listOfResources;
+ compo = _LoadComponent(new_params,
+ componentName);
}
- SCRUTE( path ) ;
- return CORBA::string_dup( path ) ;
+
+ return compo._retn();
}
-Engines::Container_ptr SALOME_LifeCycleCORBA::FindContainer(const char *containerName)
+//=============================================================================
+/*! \brief Find an already existing and registered component instance or load a new
+ * component instance on a container defined by name
+ *
+ * \param containerName the name of container, under one of the forms
+ * - 1 aContainer (local container)
+ * - 2 machine/aContainer (container on hostname = machine)
+ * \param componentName the name of component class
+ * \return a CORBA reference of the component instance, or _nil if problem
+ */
+//=============================================================================
+
+Engines::EngineComponent_ptr
+SALOME_LifeCycleCORBA::FindOrLoad_Component(const char *containerName,
+ const char *componentName)
{
- ASSERT(_NS != NULL);
- string cont ;
- if ( strncmp( containerName , "/Containers/" , 12 ) ) { // Compatibility ...
- string theComputer ;
- string theContainer ;
- cont = ContainerName( containerName , &theComputer , &theContainer ) ;
+ MESSAGE("SALOME_LifeCycleCORBA::FindOrLoad_Component INTERACTIF " << containerName << " " << componentName ) ;
+
+ // --- Check if Component Name is known in ModuleCatalog
+ if (! isKnownComponentClass(componentName))
+ return Engines::EngineComponent::_nil();
+
+ // --- Check if containerName contains machine name (if yes: rg>0)
+ char *stContainer=strdup(containerName);
+ std::string st2Container(stContainer);
+ size_t rg=st2Container.find("/");
+
+ Engines::ContainerParameters params;
+ preSet(params);
+ if (rg == std::string::npos)
+ {
+ // containerName doesn't contain "/" => Local container
+ params.container_name = CORBA::string_dup(stContainer);
}
- else {
- cont = containerName ;
+ else
+ {
+ stContainer[rg]='\0';
+ params.container_name = CORBA::string_dup(stContainer+rg+1);
+ params.resource_params.hostname = CORBA::string_dup(stContainer);
}
- try {
+ params.isMPI = false;
+ SCRUTE(params.container_name);
+ free(stContainer);
+ return FindOrLoad_Component(params, componentName);
+}
- SCRUTE( cont );
+//=============================================================================
+/*! \brief Check if the component class is known in module catalog
+ *
+ * \param componentName the name of component class
+ * \return true if found, false otherwise
+ */
+//=============================================================================
- CORBA::Object_var obj = _NS->Resolve( cont.c_str() );
- if( !CORBA::is_nil( obj ) ) {
- return Engines::Container::_narrow( obj ) ;
+bool SALOME_LifeCycleCORBA::isKnownComponentClass(const char *componentName)
+{
+ try
+ {
+ CORBA::Object_var obj = _NS->Resolve("/Kernel/ModulCatalog");
+ SALOME_ModuleCatalog::ModuleCatalog_var Catalog =
+ SALOME_ModuleCatalog::ModuleCatalog::_narrow(obj) ;
+ ASSERT(! CORBA::is_nil(Catalog));
+ SALOME_ModuleCatalog::Acomponent_var compoInfo =
+ Catalog->GetComponent(componentName);
+ if (CORBA::is_nil (compoInfo))
+ {
+ MESSAGE("Catalog Error: Component not found in the catalog " << componentName);
+ return false;
}
+ else return true;
}
- catch (ServiceUnreachable&) {
+ catch (ServiceUnreachable&)
+ {
INFOS("Caught exception: Naming Service Unreachable");
}
- catch (...) {
+ catch (...)
+ {
INFOS("Caught unknown exception.");
}
- return Engines::Container::_nil();
+ return false;
}
-Engines::Component_ptr SALOME_LifeCycleCORBA::FindOrLoad_Component
- (const char *containerName,
- const char *componentName)
+//=============================================================================
+/*! \brief Initialisation of a given Engines::ResourceParameters with default values.
+ */
+//=============================================================================
+
+void
+SALOME_LifeCycleCORBA::preSet(Engines::ResourceParameters& params)
{
- if (! isKnownComponentClass(componentName)) return Engines::Component::_nil();
- char *stContainer=strdup(containerName);
- string st2Container(stContainer);
- int rg=st2Container.find("/");
- if(rg<0) {
- //containerName doesn't contain "/" => Local container
- free(stContainer);
- Engines::MachineList_var listOfMachine=new Engines::MachineList;
- listOfMachine->length(1);
- listOfMachine[0]=CORBA::string_dup(GetHostname().c_str());
- Engines::Component_ptr ret=FindComponent(containerName,componentName,listOfMachine.in());
- if(CORBA::is_nil(ret))
- return LoadComponent(containerName,componentName,listOfMachine);
- else
- return ret;
+ params.name = "";
+ params.hostname = "";
+ params.OS = "";
+ params.nb_proc = 0;
+ params.mem_mb = 0;
+ params.cpu_clock = 0;
+ params.nb_node = 0;
+ params.nb_proc_per_node = 0;
+ params.policy = "";
+ params.can_launch_batch_jobs = false;
+ params.can_run_containers = false;
+}
+
+//=============================================================================
+/*! \brief Initialisation of a given Engines::ContainerParameters with default values.
+ */
+//=============================================================================
+
+void SALOME_LifeCycleCORBA::preSet( Engines::ContainerParameters& params)
+{
+ params.container_name = "";
+ params.mode = "";
+ params.workingdir = "";
+ params.nb_proc = 0;
+ params.isMPI = false;
+ params.parallelLib = "";
+ SALOME_LifeCycleCORBA::preSet(params.resource_params);
+}
+
+//=============================================================================
+/*!
+ * \return a number of processors not 0, only for MPI containers
+ */
+//=============================================================================
+
+int SALOME_LifeCycleCORBA::NbProc(const Engines::ContainerParameters& params)
+{
+ if( !params.isMPI )
+ return 0;
+ else if( params.nb_proc <= 0 )
+ return 1;
+ else
+ return params.nb_proc;
+}
+
+//=============================================================================
+/*! \brief Get the container manager
+ *
+ * \return the container Manager
+ */
+//=============================================================================
+
+Engines::ContainerManager_ptr SALOME_LifeCycleCORBA::getContainerManager()
+{
+ Engines::ContainerManager_var contManager =
+ Engines::ContainerManager::_duplicate(_ContManager);
+ return contManager._retn();
+}
+
+//=============================================================================
+/*! \brief Get the resources manager
+ *
+ * \return the container Manager
+ */
+//=============================================================================
+
+Engines::ResourcesManager_ptr SALOME_LifeCycleCORBA::getResourcesManager()
+{
+ Engines::ResourcesManager_var resManager =
+ Engines::ResourcesManager::_duplicate(_ResManager);
+ return resManager._retn();
+}
+
+//=============================================================================
+/*! \brief shutdown all the SALOME servers except SALOME_Session_Server and omniNames
+ */
+//=============================================================================
+
+void SALOME_LifeCycleCORBA::shutdownServers(bool shutdownLauncher)
+{
+ // get each Container from NamingService => shutdown it
+ // (the order is inverse to the order of servers initialization)
+
+ SALOME::Session_var session = SALOME::Session::_nil();
+ CORBA::Long pid = 0;
+ CORBA::Object_var objS = _NS->Resolve("/Kernel/Session");
+ if (!CORBA::is_nil(objS))
+ {
+ session = SALOME::Session::_narrow(objS);
+ if (!CORBA::is_nil(session))
+ {
+ pid = session->getPID();
+ session->Shutdown();
+ }
}
- else {
- //containerName contains "/" => Remote container
- stContainer[rg]='\0';
- Engines::MachineParameters_var params=new Engines::MachineParameters;
- params->container_name=CORBA::string_dup(stContainer+rg+1);
- params->hostname=CORBA::string_dup(stContainer);
- params->OS=CORBA::string_dup("LINUX");
- free(stContainer);
- return FindOrLoad_Component(params,componentName);
+
+ std::string hostname = Kernel_Utils::GetHostname();
+
+ // 1) ConnectionManager
+ try
+ {
+ CORBA::Object_var objCnM=_NS->Resolve("/ConnectionManager");
+ Engines::ConnectionManager_var connMan=Engines::ConnectionManager::_narrow(objCnM);
+ if ( !CORBA::is_nil(connMan) && ( pid != connMan->getPID() ) )
+ connMan->ShutdownWithExit();
+ }
+ catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
+ {
+ // ignore and continue
+ }
+
+ timespec ts_req;
+ ts_req.tv_nsec=100000000;
+ ts_req.tv_sec=0;
+
+//Wait some time so that ConnectionManager be completely shutdown
+#ifndef WIN32
+ nanosleep(&ts_req,0);
+#endif
+
+ // 2) SALOMEDS
+ try
+ {
+ CORBA::Object_var objSDS = _NS->Resolve("/Study");
+ SALOMEDS::Study_var study = SALOMEDS::Study::_narrow(objSDS) ;
+ if ( !CORBA::is_nil(study) && ( pid != study->getPID() ) )
+ study->Shutdown();
+ _NS->Destroy_Name("/Study");
+ }
+ catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
+ {
+ // ignore and continue
+ }
+
+//Wait some time so that study be completely shutdown
+#ifndef WIN32
+ nanosleep(&ts_req,0);
+#endif
+
+ // 3) ModuleCatalog
+ try
+ {
+ CORBA::Object_var objMC=_NS->Resolve("/Kernel/ModulCatalog");
+ SALOME_ModuleCatalog::ModuleCatalog_var catalog = SALOME_ModuleCatalog::ModuleCatalog::_narrow(objMC);
+ if ( !CORBA::is_nil(catalog) && ( pid != catalog->getPID() ) )
+ catalog->shutdown();
+ _NS->Destroy_Name("/Kernel/ModulCatalog");
+ }
+ catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
+ {
+ // ignore and continue
+ }
+
+//Wait some time so that ModulCatalog be completely shutdown
+#ifndef WIN32
+ nanosleep(&ts_req,0);
+#endif
+ // 4 ) Remote ScopeServer (the DataServer is hosted by SalomeLauncher shutdown right after on point 6)
+ try
+ {
+ CORBA::Object_var objDSM(_NS->Resolve(SALOMESDS::DataServerManager::NAME_IN_NS));
+ SALOME::DataServerManager_var dsm(SALOME::DataServerManager::_narrow(objDSM));
+ if ( !CORBA::is_nil(dsm) )
+ dsm->shutdownScopes();
+ }
+ catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
+ {
+ // ignore and continue
+ }
+ // 5) External server launcher (the ExternalServer is hosted by SalomeLauncher shutdown right after on point 6)
+ try
+ {
+ CORBA::Object_var objDSM(_NS->Resolve(SALOME_ExternalServerLauncher::NAME_IN_NS));
+ SALOME::ExternalServerLauncher_var dsm(SALOME::ExternalServerLauncher::_narrow(objDSM));
+ if ( !CORBA::is_nil(dsm) )
+ dsm->shutdownServers();
+ }
+ catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
+ {
+ // ignore and continue
+ }
+ // 6) SalomeLauncher
+ try
+ {
+ if(shutdownLauncher){
+ CORBA::Object_var objSL = _NS->Resolve("/SalomeLauncher");
+ Engines::SalomeLauncher_var launcher = Engines::SalomeLauncher::_narrow(objSL);
+ if (!CORBA::is_nil(launcher) && (pid != launcher->getPID()))
+ launcher->Shutdown();
+ }
+ }
+ catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
+ {
+ // ignore and continue
+ }
+
+//Wait some time so that launcher be completely shutdown
+#ifndef WIN32
+ nanosleep(&ts_req,0);
+#endif
+
+ // 6) Registry
+ try
+ {
+ CORBA::Object_var objR = _NS->Resolve("/Registry");
+ Registry::Components_var registry = Registry::Components::_narrow(objR);
+ if ( !CORBA::is_nil(registry) && ( pid != registry->getPID() ) )
+ registry->Shutdown();
+ _NS->Destroy_Name("/Registry");
+ }
+ catch(const CORBA::Exception& /*e*/) //!< TODO: unused variable
+ {
+ // ignore and continue
+ }
+
+ // 7) Logger
+ int argc = 0;
+ char *xargv = (char*)"";
+ char **argv = &xargv;
+ CORBA::ORB_var orb = CORBA::ORB_init(argc, argv);
+
+ CORBA::Object_var objLog = CORBA::Object::_nil();
+ CosNaming::NamingContext_var inc;
+ CORBA::Object_var theObj = CORBA::Object::_nil();
+ std::string stdname = "Logger";
+ CosNaming::Name name;
+ name.length(1);
+ name[0].id = CORBA::string_dup(stdname.c_str());
+ try
+ {
+ if(!CORBA::is_nil(orb))
+ theObj = orb->resolve_initial_references("NameService");
+ if (!CORBA::is_nil(theObj))
+ inc = CosNaming::NamingContext::_narrow(theObj);
+ }
+ catch(...)
+ {
+ }
+ if(!CORBA::is_nil(inc))
+ {
+ try
+ {
+ objLog = inc->resolve(name);
+ SALOME_Logger::Logger_var logger = SALOME_Logger::Logger::_narrow(objLog);
+ if ( !CORBA::is_nil(logger) )
+ logger->shutdown();
+ }
+ catch(...)
+ {
+ }
+ }
+}
+
+//=============================================================================
+/*! \brief shutdown omniNames
+ */
+//=============================================================================
+
+void SALOME_LifeCycleCORBA::killOmniNames()
+{
+ std::string portNumber (::getenv ("NSPORT") );
+ std::string python_exe;
+
+ python_exe = std::string("python3");
+
+ if ( !portNumber.empty() )
+ {
+ std::string cmd;
+
+ cmd = std::string("from salome_utils import killOmniNames; ");
+ cmd += std::string("killOmniNames(") + portNumber + "); ";
+ cmd = python_exe + std::string(" -c \"") + cmd +"\"";
+ MESSAGE(cmd);
+ system( cmd.c_str() );
+
+ cmd = std::string("from killSalomeWithPort import cleanApplication; ");
+ cmd += std::string("cleanApplication(") + portNumber + "); ";
+ cmd = python_exe + std::string(" -c \"") + cmd +"\"";
+ MESSAGE(cmd);
+ system( cmd.c_str() );
+ }
+
+ // shutdown portmanager
+ if ( !portNumber.empty() )
+ {
+ std::string cmd;
+
+ cmd = std::string("from PortManager import releasePort; ");
+ cmd += std::string("releasePort(") + portNumber + "); ";
+ cmd = python_exe + std::string(" -c \"") + cmd +"\"";
+ MESSAGE(cmd);
+ system( cmd.c_str() );
}
}
-Engines::Component_ptr SALOME_LifeCycleCORBA::FindOrLoad_Component(const Engines::MachineParameters& params,
- const char *componentName)
+//=============================================================================
+/*! \brief Find an already existing and registered component instance.
+ *
+ * - build a list of machines on which an instance of the component is running,
+ * - find the best machine among the list
+ *
+ * \param params machine parameters like type or name...
+ * \param componentName the name of component class
+ * \param listOfMachines list of machine address
+ * \return a CORBA reference of the component instance, or _nil if not found
+ */
+//=============================================================================
+
+Engines::EngineComponent_ptr
+SALOME_LifeCycleCORBA::
+_FindComponent(const Engines::ContainerParameters& params,
+ const char *componentName,
+ const Engines::ResourceList& listOfResources)
{
- if (! isKnownComponentClass(componentName)) return Engines::Component::_nil();
- Engines::MachineList_var listOfMachine=_ContManager->GetFittingResources(params,componentName);
- Engines::Component_ptr ret=FindComponent(params.container_name,componentName,listOfMachine);
- if(CORBA::is_nil(ret))
- return LoadComponent(params.container_name,componentName,listOfMachine);
+ // --- build the list of machines on which the component is already running
+ const char *containerName = params.container_name;
+ int nbproc = NbProc(params);
+
+ Engines::ResourceList_var resourcesOK = new Engines::ResourceList;
+
+ unsigned int lghtOfresourcesOK = 0;
+ resourcesOK->length(listOfResources.length());
+
+ for(unsigned int i=0; i < listOfResources.length(); i++)
+ {
+ const char * currentResource = listOfResources[i];
+ Engines::ResourceDefinition_var resource_definition =
+ _ResManager->GetResourceDefinition(currentResource);
+ CORBA::Object_var obj = _NS->ResolveComponent(resource_definition->hostname.in(),
+ containerName,
+ componentName,
+ nbproc);
+ if (!CORBA::is_nil(obj))
+ resourcesOK[lghtOfresourcesOK++] = CORBA::string_dup(currentResource);
+ }
+
+ // --- find the best machine among the list
+ if(lghtOfresourcesOK != 0)
+ {
+ resourcesOK->length(lghtOfresourcesOK);
+ CORBA::String_var bestResource = _ResManager->FindFirst(resourcesOK);
+ Engines::ResourceDefinition_var resource_definition =
+ _ResManager->GetResourceDefinition(bestResource);
+ CORBA::Object_var obj = _NS->ResolveComponent(resource_definition->hostname.in(),
+ containerName,
+ componentName,
+ nbproc);
+ return Engines::EngineComponent::_narrow(obj);
+ }
else
- return ret;
+ return Engines::EngineComponent::_nil();
}
-Engines::Component_ptr SALOME_LifeCycleCORBA::FindComponent(const char *containerName,
- const char *componentName,
- const Engines::MachineList& listOfMachines)
+//=============================================================================
+/*! \brief Load a component instance.
+ *
+ * - Finds a container in the list of machine or start one.
+ * - Try to load the component library in the container,
+ * - then create an instance of the component.
+ *
+ * \param params machine parameters like type or name...
+ * \param componentName the name of component class
+ * \return a CORBA reference of the component instance, or _nil if problem
+ */
+//=============================================================================
+
+Engines::EngineComponent_ptr
+SALOME_LifeCycleCORBA::
+_LoadComponent(const Engines::ContainerParameters& params,
+ const char *componentName)
{
- if (! isKnownComponentClass(componentName)) return Engines::Component::_nil();
- if(containerName[0]!='\0')
+ MESSAGE("_LoadComponent, required " << params.container_name <<
+ " " << componentName << " " << NbProc(params));
+
+ Engines::ContainerParameters local_params(params);
+ local_params.mode = CORBA::string_dup("findorstart");
+ Engines::Container_var cont = _ContManager->GiveContainer(local_params);
+ if (CORBA::is_nil(cont)) return Engines::EngineComponent::_nil();
+
+ char* reason;
+ bool isLoadable = cont->load_component_Library(componentName,reason);
+ if (!isLoadable)
{
- Engines::MachineList_var machinesOK=new Engines::MachineList;
- unsigned int lghtOfmachinesOK=0;
- machinesOK->length(listOfMachines.length());
- for(unsigned int i=0;i<listOfMachines.length();i++)
- {
- const char *currentMachine=listOfMachines[i];
- string componentNameForNS=Engines_Component_i::BuildComponentNameForNS(componentName,containerName,currentMachine);
- CORBA::Object_var obj = _NS->Resolve(componentNameForNS.c_str());
- if(!CORBA::is_nil(obj))
- {
- machinesOK[lghtOfmachinesOK++]=CORBA::string_dup(currentMachine);
- }
- }
- if(lghtOfmachinesOK!=0)
- {
- machinesOK->length(lghtOfmachinesOK);
- CORBA::String_var bestMachine=_ContManager->FindBest(machinesOK);
- string componentNameForNS=Engines_Component_i::BuildComponentNameForNS(componentName,containerName,bestMachine);
- CORBA::Object_var obj=_NS->Resolve(componentNameForNS.c_str());
- return Engines::Component::_narrow(obj);
- }
- else
- return Engines::Component::_nil();
+ //std::cerr << reason << std::endl;
+ CORBA::string_free(reason);
+ return Engines::EngineComponent::_nil();
}
- else
+ CORBA::string_free(reason);
+
+ Engines::EngineComponent_var myInstance =
+ cont->create_component_instance(componentName);
+ return myInstance._retn();
+}
+
+//=============================================================================
+/*! \brief Load a parallel component instance.
+ *
+ * \param params machine parameters like type or name...
+ * \param componentName the name of component class
+ * \return a CORBA reference of the parallel component instance, or _nil if problem
+ */
+//=============================================================================
+Engines::EngineComponent_ptr
+SALOME_LifeCycleCORBA::Load_ParallelComponent(const Engines::ContainerParameters& params,
+ const char *componentName)
+{
+ MESSAGE("Entering LoadParallelComponent");
+
+/*MESSAGE("Parameters : ");
+ MESSAGE("Container name : " << params.container_name);
+ MESSAGE("Number of component nodes : " << params.nb_component_nodes);
+ MESSAGE("Component Name : " << componentName);*/
+
+ Engines::ContainerParameters parms(params);
+ parms.resource_params.componentList.length(1);
+ parms.resource_params.componentList[0] = componentName;
+ parms.mode = CORBA::string_dup("findorstart");
+
+ MESSAGE("Starting Parallel Container");
+ Engines::Container_var cont = _ContManager->GiveContainer(parms);
+ if (CORBA::is_nil(cont)) {
+ INFOS("FindOrStartParallelContainer() returns a NULL container !");
+ return Engines::EngineComponent::_nil();
+ }
+
+ MESSAGE("Loading component library");
+ char* reason;
+ bool isLoadable = cont->load_component_Library(componentName,reason);
+ if (!isLoadable) {
+ INFOS(componentName <<" library is not loadable !");
+ //std::cerr << reason << std::endl;
+ CORBA::string_free(reason);
+ return Engines::EngineComponent::_nil();
+ }
+ CORBA::string_free(reason);
+
+ MESSAGE("Creating component instance");
+ // @PARALLEL@ permits to identify that the component requested
+ // is a parallel component.
+ std::string name = std::string(componentName);
+ Engines::EngineComponent_var myInstance = cont->create_component_instance(name.c_str());
+ if (CORBA::is_nil(myInstance))
+ INFOS("create_component_instance returns a NULL component !");
+ return myInstance._retn();
+}
+
+/*! \brief copy a file from a source host to a destination host
+ * \param hostSrc the source host
+ * \param fileSrc the file to copy from the source host to the destination host
+ * \param hostDest the destination host
+ * \param fileDest the destination file
+ */
+void SALOME_LifeCycleCORBA::copyFile(const char* hostSrc, const char* fileSrc, const char* hostDest, const char* fileDest)
+{
+ if(strcmp(hostDest,"localhost") == 0)
{
- //user specified no container name so trying to find a component in the best machine among listOfMachines
- CORBA::String_var bestMachine=_ContManager->FindBest(listOfMachines);
- //Normally look at all containers launched on bestMachine to see if componentName is already launched on one of them. To do..
- string componentNameForNS=Engines_Component_i::BuildComponentNameForNS(componentName,containerName,bestMachine);
- CORBA::Object_var obj = _NS->Resolve(componentNameForNS.c_str());
- return Engines::Component::_narrow(obj);
+ //if localhost use a shortcut
+ SALOME_FileTransferCORBA transfer(hostSrc,fileSrc);
+ transfer.getLocalFile(fileDest);
+ return;
}
+
+ Engines::ContainerManager_var contManager = getContainerManager();
+
+ Engines::ContainerParameters params;
+ preSet(params);
+
+ params.resource_params.hostname = hostDest;
+ params.mode = CORBA::string_dup("findorstart");
+ Engines::Container_var containerDest = contManager->GiveContainer(params);
+
+ params.resource_params.hostname = hostSrc;
+ Engines::Container_var containerSrc = contManager->GiveContainer(params);
+
+ containerDest->copyFile(containerSrc,fileSrc,fileDest);
+}
+
+/*! \brief get the naming service used by the life cycle
+ *
+ * \return the naming service
+ */
+SALOME_NamingService_Abstract * SALOME_LifeCycleCORBA::namingService()
+{
+ return _NS;
}
-Engines::Component_ptr SALOME_LifeCycleCORBA::LoadComponent(const char *containerName, const char *componentName, const Engines::MachineList& listOfMachines)
+/*! \brief get the orb used by the life cycle
+ *
+ * \return the orb
+ */
+CORBA::ORB_ptr SALOME_LifeCycleCORBA::orb()
{
- Engines::Container_var cont=_ContManager->FindOrStartContainer(containerName,listOfMachines);
- string implementation=Engines_Component_i::GetDynLibraryName(componentName);
- return cont->load_impl(componentName, implementation.c_str());
+ SALOME_NamingService *NSC = dynamic_cast<SALOME_NamingService *>(_NS);
+ if(!_NS)
+ THROW_SALOME_EXCEPTION("SALOME_LifeCycleCORBA::orb : not a CORBA SALOME_NamingService ");
+ return NSC->orb();
}