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 Container : implementation of container and engine for Kernel
24 // File : Container_i.cxx
25 // Author : Paul RASCLE, EDF - MARC TAJCHMAN, CEA
28 //#define private public
33 #include <sys/types.h>
46 #include "utilities.h"
47 #include <SALOMEconfig.h>
48 #include CORBA_SERVER_HEADER(SALOME_Component)
49 #include CORBA_SERVER_HEADER(SALOME_Exception)
50 #include <pthread.h> // must be before Python.h !
51 #include "SALOME_Container_i.hxx"
52 #include "SALOME_Component_i.hxx"
53 #include "SALOME_FileRef_i.hxx"
54 #include "SALOME_FileTransfer_i.hxx"
55 #include "Salome_file_i.hxx"
56 #include "SALOME_NamingService.hxx"
57 #include "SALOME_Fake_NamingService.hxx"
58 #include "SALOME_Embedded_NamingService_Client.hxx"
59 #include "Basics_Utils.hxx"
66 #include "Container_init_python.hxx"
68 bool _Sleeping = false ;
70 // // Needed by multi-threaded Python --- Supervision
74 extern "C" {void ActSigIntHandler() ; }
76 extern "C" {void SigIntHandler(int, siginfo_t *, void *) ; }
78 extern "C" {void SigIntHandler( int ) ; }
84 #define ENGINESO "Engine.dylib"
86 #define ENGINESO "Engine.so"
90 #define ENGINESO "Engine.dll"
101 std::map<std::string, int> Abstract_Engines_Container_i::_cntInstances_map;
102 std::map<std::string, void *> Abstract_Engines_Container_i::_library_map;
103 std::map<std::string, void *> Abstract_Engines_Container_i::_toRemove_map;
104 omni_mutex Abstract_Engines_Container_i::_numInstanceMutex ;
106 static PyObject* _pyCont;
108 int checkifexecutable(const std::string&);
109 int findpathof(const std::string& path, std::string&, const std::string&);
111 /*! \class Engines_Container_i
112 * \brief C++ implementation of Engines::Container interface
117 //=============================================================================
119 * Default constructor, not for use
121 //=============================================================================
123 Abstract_Engines_Container_i::Abstract_Engines_Container_i () :
124 _NS(nullptr),_id(nullptr),_numInstance(0)
128 //=============================================================================
132 //=============================================================================
134 Abstract_Engines_Container_i::Abstract_Engines_Container_i (CORBA::ORB_ptr orb,
135 PortableServer::POA_ptr poa,
136 char *containerName ,
137 int argc , char* argv[],
138 SALOME_NamingService_Container_Abstract *ns,
139 bool isServantAloneInProcess
141 _NS(nullptr),_id(0),_numInstance(0),_isServantAloneInProcess(isServantAloneInProcess)
143 _pid = (long)getpid();
151 std::string hostname = Kernel_Utils::GetHostname();
153 MESSAGE(hostname << " " << getpid() <<
154 " Engines_Container_i starting argc " <<
155 _argc << " Thread " << pthread_self() ) ;
157 MESSAGE(hostname << " " << _getpid() <<
158 " Engines_Container_i starting argc " << _argc<< " Thread " << pthread_self().p ) ;
164 MESSAGE(" argv" << i << " " << _argv[ i ]) ;
170 INFOS("SALOME_Container usage : SALOME_Container ServerName");
174 _isSupervContainer = false;
176 _orb = CORBA::ORB::_duplicate(orb) ;
177 _poa = PortableServer::POA::_duplicate(poa) ;
179 // Pour les containers paralleles: il ne faut pas enregistrer et activer
180 // le container generique, mais le container specialise
183 _id = _poa->activate_object(this);
184 // key point : if ns is nullptr : this servant is alone in its process
185 // if ns is not null : this servant embedded into single process.
186 _NS = ns==nullptr ? new SALOME_NamingService : ns->clone();
187 _NS->init_orb( _orb ) ;
188 CORBA::Object_var obj=_poa->id_to_reference(*_id);
189 Engines::Container_var pCont = Engines::Container::_narrow(obj);
192 _containerName = SALOME_NamingService_Abstract::BuildContainerNameForNS(containerName, hostname.c_str());
193 SCRUTE(_containerName);
194 _NS->Register(pCont, _containerName.c_str());
195 MESSAGE("Engines_Container_i::Engines_Container_i : Container name " << _containerName);
198 // import SALOME_Container
199 // pycont = SALOME_Container.SALOME_Container_i(containerIORStr)
201 CORBA::String_var sior = _orb->object_to_string(pCont);
202 std::string myCommand="pyCont = SALOME_Container.SALOME_Container_i('";
203 myCommand += _containerName + "','";
208 //[RNV]: Comment the PyEval_AcquireLock() and PyEval_ReleaseLock() because this
209 //approach leads to the deadlock of the main thread of the application on Windows platform
210 //in case if cppContainer runs in the standalone mode. The problem with the PyThreadState
211 //described by ABN seems not reproduced, to be checked carefully later...
212 PyGILState_STATE gstate = PyGILState_Ensure();
214 //// [ABN]: using the PyGILState* API here is unstable. omniORB logic is invoked
215 //// by the Python code executed below, and in some (random) cases, the Python code
216 //// execution ends with a PyThreadState which was not the one we have here.
217 //// (TODO: understand why ...)
218 //// To be on the safe side we get and load the thread state ourselves:
219 //PyEval_AcquireLock(); // get GIL
220 //PyThreadState * mainThreadState = PyThreadState_Get();
221 //PyThreadState_Swap(mainThreadState);
224 // mpv: this is temporary solution: there is a unregular crash if not
227 // first element is the path to Registry.dll, but it's wrong
228 PyRun_SimpleString("import sys\n");
229 PyRun_SimpleString("sys.path = sys.path[1:]\n");
231 PyRun_SimpleString("import SALOME_Container\n");
232 PyRun_SimpleString((char*)myCommand.c_str());
233 PyObject *mainmod = PyImport_AddModule("__main__");
234 PyObject *globals = PyModule_GetDict(mainmod);
235 _pyCont = PyDict_GetItemString(globals, "pyCont");
237 //PyThreadState_Swap(NULL);
238 //PyEval_ReleaseLock();
239 PyGILState_Release(gstate);
241 fileTransfer_i* aFileTransfer = new fileTransfer_i();
242 CORBA::Object_var obref=aFileTransfer->_this();
243 _fileTransfer = Engines::fileTransfer::_narrow(obref);
244 aFileTransfer->_remove_ref();
248 //=============================================================================
252 //=============================================================================
254 Abstract_Engines_Container_i::~Abstract_Engines_Container_i()
256 MESSAGE("Abstract_Container_i::~Abstract_Container_i()");
264 //=============================================================================
265 //! Get container name
267 * CORBA attribute: Container name (see constructor)
269 //=============================================================================
271 char* Abstract_Engines_Container_i::name()
273 return CORBA::string_dup(_containerName.c_str()) ;
276 //=============================================================================
277 //! Get container working directory
279 * CORBA attribute: Container working directory
281 //=============================================================================
283 char* Abstract_Engines_Container_i::workingdir()
287 return CORBA::string_dup(wd) ;
290 //=============================================================================
291 //! Get container log file name
293 * CORBA attribute: Container log file name
295 //=============================================================================
297 char* Abstract_Engines_Container_i::logfilename()
299 return CORBA::string_dup(_logfilename.c_str()) ;
302 //! Set container log file name
303 void Abstract_Engines_Container_i::logfilename(const char* name)
308 //=============================================================================
309 //! Get container host name
311 * CORBA method: Get the hostName of the Container (without domain extensions)
313 //=============================================================================
315 char* Abstract_Engines_Container_i::getHostName()
317 std::string s = Kernel_Utils::GetHostname();
318 // MESSAGE("Engines_Container_i::getHostName " << s);
319 return CORBA::string_dup(s.c_str()) ;
322 //=============================================================================
323 //! Get container PID
325 * CORBA method: Get the PID (process identification) of the Container
327 //=============================================================================
329 CORBA::Long Abstract_Engines_Container_i::getPID()
331 return (CORBA::Long)getpid();
334 //=============================================================================
335 //! Ping the servant to check it is still alive
337 * CORBA method: check if servant is still alive
339 //=============================================================================
340 void Abstract_Engines_Container_i::ping()
342 MESSAGE("Engines_Container_i::ping() pid "<< getpid());
345 //=============================================================================
346 //! Shutdown the container
348 * CORBA method, oneway: Server shutdown.
349 * - Container name removed from naming service,
350 * - servant deactivation,
351 * - orb shutdown if no other servants in the process
353 //=============================================================================
354 void Abstract_Engines_Container_i::Shutdown()
356 MESSAGE("Engines_Container_i::Shutdown()");
358 // Clear registered temporary files
359 clearTemporaryFiles();
361 /* For each component contained in this container
362 * tell it to self-destroy
364 std::map<std::string, Engines::EngineComponent_var>::iterator itm;
365 for (itm = _listInstances_map.begin(); itm != _listInstances_map.end(); itm++)
369 itm->second->destroy();
371 catch(const CORBA::Exception&)
373 // ignore this entry and continue
377 // ignore this entry and continue
380 _listInstances_map.clear();
382 // NS unregistering may throw in SSL mode if master process hosting SALOME_Embedded_NamingService servant has vanished
383 // In this case it's skip it and still continue.
386 _NS->Destroy_FullDirectory(_containerName.c_str());
387 _NS->Destroy_Name(_containerName.c_str());
393 this->cleanAllPyScripts();
395 if(_isServantAloneInProcess)
397 MESSAGE("Effective Shutdown of container Begins...");
398 if(!CORBA::is_nil(_orb))
403 //=============================================================================
404 //! load a component implementation
407 * \param componentName component name
408 * \param reason explains error when load fails
409 * \return true if dlopen successful or already done, false otherwise
411 //=============================================================================
413 Abstract_Engines_Container_i::load_component_Library(const char* componentName, CORBA::String_out reason)
416 //=================================================================
417 // --- C++ implementation section
418 //=================================================================
420 if(load_component_CppImplementation(componentName,retso))
422 reason=CORBA::string_dup("");
425 else if(retso != "ImplementationNotFound")
427 reason=CORBA::string_dup(retso.c_str());
432 retso+=componentName;
433 retso+=": Can't find C++ implementation ";
434 retso+=std::string(LIB) + componentName + ENGINESO;
436 //=================================================================
437 // --- Python implementation section
438 //=================================================================
440 if(load_component_PythonImplementation(componentName,retpy))
442 reason=CORBA::string_dup("");
445 else if(retpy != "ImplementationNotFound")
447 reason=CORBA::string_dup(retpy.c_str());
452 retpy+=componentName;
453 retpy+=": Can't find python implementation ";
454 retpy+=componentName;
457 //=================================================================
458 // -- Executable implementation section
459 //=================================================================
461 if(load_component_ExecutableImplementation(componentName,retex))
463 reason=CORBA::string_dup("");
466 else if(retex != "ImplementationNotFound")
468 reason=CORBA::string_dup(retex.c_str());
473 retex+=componentName;
474 retex+=": Can't find executable implementation ";
475 retex+=componentName;
478 std::string ret="Component implementation not found: ";
479 ret += componentName ;
485 std::cerr << ret << std::endl;
486 reason=CORBA::string_dup(ret.c_str());
491 //=============================================================================
492 //! try to load a C++ component implementation
495 * \param componentName the name of the component (COMPONENT, for example)
496 * \param reason explains error when load fails
497 * \return true if loading is successful or already done, false otherwise
499 //=============================================================================
501 Abstract_Engines_Container_i::load_component_CppImplementation(const char* componentName, std::string& reason)
503 std::string aCompName(componentName);
504 std::string impl_name = std::string(LIB) + aCompName + ENGINESO;
507 _numInstanceMutex.lock(); // lock to be alone
508 // (see decInstanceCnt, finalize_removal))
509 if (_toRemove_map.count(impl_name) != 0) _toRemove_map.erase(impl_name);
510 if (_library_map.count(impl_name) != 0)
512 MESSAGE("Library " << impl_name << " already loaded");
513 _numInstanceMutex.unlock();
517 _numInstanceMutex.unlock();
521 handle = dlopen( impl_name.c_str() , RTLD_NOW | RTLD_GLOBAL ) ;
524 //not loadable. Try to find the lib file in LD_LIBRARY_PATH
527 char* p=getenv("DYLD_LIBRARY_PATH");
529 char* p=getenv("LD_LIBRARY_PATH");
532 path=path+SEP+"/usr/lib"+SEP+"/lib";
535 if(findpathof(path, pth, impl_name))
537 //found but not loadable
540 reason+=": C++ implementation found ";
542 reason+=" but it is not loadable. Error:\n";
544 std::cerr << reason << std::endl;
550 //continue with other implementation
551 reason="ImplementationNotFound";
558 std::wstring libToLoad = Kernel_Utils::utf8_decode_s( impl_name );
560 std::string libToLoad = impl_name;
562 handle = LoadLibrary(libToLoad.c_str() );
565 reason="ImplementationNotFound";
571 _numInstanceMutex.lock();
572 _library_map[impl_name] = handle;
573 _numInstanceMutex.unlock();
581 //=============================================================================
582 //! try to load a Python component implementation
585 * \param componentName name of the component
586 * \param reason explains error when load fails
587 * \return true if loading is successful or already done, false otherwise
589 //=============================================================================
591 Abstract_Engines_Container_i::load_component_PythonImplementation(const char* componentName, std::string& reason)
593 std::string aCompName(componentName);
595 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
596 if (_library_map.count(aCompName) != 0)
598 _numInstanceMutex.unlock() ;
600 return true; // Python Component, already imported
602 _numInstanceMutex.unlock() ;
604 PyGILState_STATE gstate = PyGILState_Ensure();
605 PyObject *result = PyObject_CallMethod(_pyCont,
606 (char*)"import_component",
607 (char*)"s",componentName);
609 reason=PyUnicode_AsUTF8(result);
612 PyGILState_Release(gstate);
616 //Python component has been loaded (import componentName)
617 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
618 _library_map[aCompName] = (void *)_pyCont; // any non O value OK
619 _numInstanceMutex.unlock() ;
620 MESSAGE("import Python: "<< aCompName <<" OK");
623 else if(reason=="ImplementationNotFound")
625 //Python implementation has not been found. Continue with other implementation
626 reason="ImplementationNotFound";
630 //Python implementation has been found but loading has failed
631 std::cerr << reason << std::endl;
636 //=============================================================================
637 //! try to load a Executable component implementation
640 * \param componentName name of the component
641 * \param reason explains error when load fails
642 * \return true if loading is successful or already done, false otherwise
644 //=============================================================================
646 Abstract_Engines_Container_i::load_component_ExecutableImplementation(const char* componentName, std::string& reason)
648 std::string aCompName(componentName);
649 std::string executable=aCompName+".exe";
654 char* p=getenv("PATH");
657 if (findpathof(path, pth, executable))
659 if(checkifexecutable(pth))
661 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
662 _library_map[executable] = (void *)1; // any non O value OK
663 _numInstanceMutex.unlock() ;
664 MESSAGE("import executable: "<< pth <<" OK");
670 reason+=": implementation found ";
672 reason+=" but it is not executable";
673 std::cerr << reason << std::endl;
677 reason="ImplementationNotFound";
682 //=============================================================================
683 //! Create a new component instance
685 * CORBA method: Creates a new servant instance of a component.
686 * The servant registers itself to naming service and Registry.
687 * \param genericRegisterName Name of the component instance to register
688 * in Registry & Name Service (without _inst_n suffix)
689 * \return a loaded component
691 //=============================================================================
692 Engines::EngineComponent_ptr
693 Abstract_Engines_Container_i::create_component_instance(const char*genericRegisterName)
695 Engines::FieldsDict_var env = new Engines::FieldsDict;
697 Engines::EngineComponent_ptr compo =
698 create_component_instance_env(genericRegisterName, env, reason);
699 CORBA::string_free(reason);
703 //=============================================================================
704 //! Create a new component instance with environment variables specified
706 * CORBA method: Creates a new servant instance of a component.
707 * The servant registers itself to naming service and Registry.
708 * \param genericRegisterName Name of the component instance to register
709 * in Registry & Name Service (without _inst_n suffix)
710 * \param env dict of env variables
711 * \param reason explains error when create_component_instance_env fails
712 * \return a loaded component
714 //=============================================================================
715 Engines::EngineComponent_ptr
716 Abstract_Engines_Container_i::create_component_instance_env(const char*genericRegisterName,
717 const Engines::FieldsDict& env,
718 CORBA::String_out reason)
721 if (_library_map.count(genericRegisterName) != 0)
723 // It's a Python component
724 Engines::EngineComponent_ptr compo = createPythonInstance(genericRegisterName, error);
725 reason=CORBA::string_dup(error.c_str());
729 std::string impl_name = std::string(LIB) + genericRegisterName + ENGINESO;
730 if (_library_map.count(impl_name) != 0)
732 // It's a C++ component
733 void* handle = _library_map[impl_name];
734 Engines::EngineComponent_ptr compo = createInstance(genericRegisterName, handle, error);
735 reason=CORBA::string_dup(error.c_str());
739 impl_name = std::string(genericRegisterName) + ".exe";
740 if (_library_map.count(impl_name) != 0)
742 //It's an executable component
743 Engines::EngineComponent_ptr compo = createExecutableInstance(genericRegisterName, env, error);
744 reason=CORBA::string_dup(error.c_str());
748 error="load_component_Library has probably not been called for component: ";
749 error += genericRegisterName;
751 reason=CORBA::string_dup(error.c_str());
752 return Engines::EngineComponent::_nil() ;
755 //=============================================================================
756 //! Create a new component instance (Executable implementation)
758 * \param CompName Name of the component instance
759 * \param env dict of env variables
760 * \param reason explains error when creation fails
761 * \return a loaded component
763 * This component is implemented in an executable with name genericRegisterName.exe
764 * It must register itself in Naming Service. The container waits some time (10 s max)
767 //=============================================================================
768 Engines::EngineComponent_ptr
769 Abstract_Engines_Container_i::createExecutableInstance(std::string CompName,
770 const Engines::FieldsDict& env,
773 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
775 _numInstanceMutex.lock() ; // lock on the instance number
777 int numInstance = _numInstance ;
778 _numInstanceMutex.unlock() ;
781 sprintf( aNumI , "%d" , numInstance ) ;
782 std::string instanceName = CompName + "_inst_" + aNumI ;
783 std::string component_registerName = _containerName + "/" + instanceName;
785 //check if an entry exist in naming service
786 CORBA::Object_var nsobj = _NS->Resolve(component_registerName.c_str());
787 if ( !CORBA::is_nil(nsobj) )
789 // unregister the registered component
790 _NS->Destroy_Name(component_registerName.c_str());
791 //kill or shutdown it ???
794 // first arg container ior string
795 // second arg container name
796 // third arg instance name
798 Engines::Container_var pCont= _this();
799 CORBA::String_var sior = _orb->object_to_string(pCont);
803 command+=instanceName;
805 command+=instanceName;
810 command+= sior; // container ior string
812 command+=_containerName; //container name
814 command+=instanceName; //instance name
816 MESSAGE("SALOME_Container::create_component_instance command=" << command);
819 // use fork/execl instead of system to get finer control on env variables
822 if(pid == 0) // child
824 for (CORBA::ULong i=0; i < env.length(); i++)
826 if (env[i].value.type()->kind() == CORBA::tk_string)
829 env[i].value >>= value;
830 std::string s(env[i].key);
833 putenv(strdup(s.c_str()));
837 execl("/bin/sh", "sh", "-c", command.c_str() , (char *)0);
840 else if(pid < 0) // failed to fork
849 tpid = wait(&status);
850 } while (tpid != pid);
853 // launch component with a system call
854 int status=system(command.c_str());
859 reason="SALOME_Container::create_component_instance system failed (system command status -1)";
861 return Engines::EngineComponent::_nil();
864 else if (WEXITSTATUS(status) == 217)
866 reason="SALOME_Container::create_component_instance system failed (system command status 217)";
868 return Engines::EngineComponent::_nil();
874 if (getenv("TIMEOUT_TO_WAIT_EXE_COMPONENT") != 0)
876 std::string new_count_str = getenv("TIMEOUT_TO_WAIT_EXE_COMPONENT");
878 std::istringstream ss(new_count_str);
879 if (!(ss >> new_count))
881 INFOS("[Container] TIMEOUT_TO_WAIT_EXE_COMPONENT should be an int");
886 INFOS("[Container] waiting " << count << " second steps exe component ");
887 CORBA::Object_var obj = CORBA::Object::_nil() ;
888 while ( CORBA::is_nil(obj) && count )
896 MESSAGE( count << ". Waiting for component " << CompName);
897 obj = _NS->Resolve(component_registerName.c_str());
900 if(CORBA::is_nil(obj))
902 reason="SALOME_Container::create_component_instance failed";
904 return Engines::EngineComponent::_nil();
908 MESSAGE("SALOME_Container::create_component_instance successful");
909 iobject = Engines::EngineComponent::_narrow(obj);
910 _listInstances_map[instanceName] = iobject;
911 return iobject._retn();
917 //=============================================================================
918 //! Create a new component instance (Python implementation)
920 * \param CompName Name of the component instance
921 * \param reason explains error when creation fails
922 * \return a loaded component
924 //=============================================================================
925 Engines::EngineComponent_ptr
926 Abstract_Engines_Container_i::createPythonInstance(std::string CompName,
929 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
931 _numInstanceMutex.lock() ; // lock on the instance number
933 int numInstance = _numInstance ;
934 _numInstanceMutex.unlock() ;
937 sprintf( aNumI , "%d" , numInstance ) ;
938 std::string instanceName = CompName + "_inst_" + aNumI ;
939 std::string component_registerName = _containerName + "/" + instanceName;
941 PyGILState_STATE gstate = PyGILState_Ensure();
942 PyObject *result = PyObject_CallMethod(_pyCont,
943 (char*)"create_component_instance",
946 instanceName.c_str());
949 PyArg_ParseTuple(result,"ss", &ior, &error);
950 std::string iors = ior;
953 PyGILState_Release(gstate);
957 CORBA::Object_var obj = _orb->string_to_object(iors.c_str());
958 iobject = Engines::EngineComponent::_narrow( obj ) ;
959 _listInstances_map[instanceName] = iobject;
961 return iobject._retn();
965 Abstract_Engines_Container_i::create_python_service_instance(const char * CompName,
966 CORBA::String_out reason)
968 CORBA::Object_var object = CORBA::Object::_nil();
970 _numInstanceMutex.lock() ; // lock on the instance number
972 int numInstance = _numInstance ;
973 _numInstanceMutex.unlock() ;
976 sprintf( aNumI , "%d" , numInstance ) ;
977 std::string instanceName = std::string(CompName) + "_inst_" + aNumI ;
978 std::string component_registerName = _containerName + "/" + instanceName;
980 PyGILState_STATE gstate = PyGILState_Ensure();
981 PyObject *result = PyObject_CallMethod(_pyCont,
982 (char*)"create_component_instance",
985 instanceName.c_str());
988 PyArg_ParseTuple(result,"ss", &ior, &error);
989 reason = CORBA::string_dup(error);
990 char * _ior = CORBA::string_dup(ior);
992 PyGILState_Release(gstate);
998 //=============================================================================
999 //! Create a new component instance (C++ implementation)
1001 * C++ method: create a servant instance of a component.
1002 * \param genericRegisterName Name of the component instance to register
1003 * in Registry & Name Service,
1004 * (without _inst_n suffix, like "COMPONENT")
1005 * \param handle loaded library handle
1006 * \param reason explains error when creation fails
1007 * \return a loaded component
1009 * example with names:
1010 * - aGenRegisterName = COMPONENT (= first argument)
1011 * - _containerName = /Containers/cli76ce/FactoryServer
1012 * - factoryName = COMPONENTEngine_factory
1013 * - component_registerBase = /Containers/cli76ce/FactoryServer/COMPONENT
1014 * - instanceName = COMPONENT_inst_1
1015 * - component_registerName = /Containers/cli76ce/FactoryServer/COMPONENT_inst_1
1017 //=============================================================================
1018 Engines::EngineComponent_ptr
1019 Abstract_Engines_Container_i::createInstance(std::string genericRegisterName,
1021 std::string& reason)
1023 // --- find the factory
1025 std::string aGenRegisterName = genericRegisterName;
1026 std::string factory_name = aGenRegisterName + std::string("Engine_factory");
1027 SCRUTE(factory_name) ;
1029 typedef PortableServer::ObjectId* (*FACTORY_FUNCTION) (CORBA::ORB_ptr,
1030 PortableServer::POA_ptr,
1031 PortableServer::ObjectId *,
1036 FACTORY_FUNCTION Component_factory = (FACTORY_FUNCTION)dlsym( handle, factory_name.c_str() );
1038 FACTORY_FUNCTION Component_factory = (FACTORY_FUNCTION)GetProcAddress( (HINSTANCE)handle, factory_name.c_str() );
1041 if ( !Component_factory )
1043 MESSAGE( "Can't resolve symbol: " + factory_name );
1048 return Engines::EngineComponent::_nil() ;
1051 // --- create instance
1053 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
1057 _numInstanceMutex.lock() ; // lock on the instance number
1059 int numInstance = _numInstance ;
1060 _numInstanceMutex.unlock() ;
1063 sprintf( aNumI , "%d" , numInstance ) ;
1064 std::string instanceName = aGenRegisterName + "_inst_" + aNumI ;
1065 std::string component_registerName =
1066 _containerName + "/" + instanceName;
1068 // --- Instantiate required CORBA object
1070 PortableServer::ObjectId *id ; //not owner, do not delete (nore use var)
1071 id = (Component_factory) ( _orb, _poa, _id, instanceName.c_str(),
1072 aGenRegisterName.c_str() ) ;
1075 reason="Can't get ObjectId from factory";
1077 return iobject._retn();
1080 // --- get reference from id
1082 CORBA::Object_var obj = _poa->id_to_reference(*id);
1083 iobject = Engines::EngineComponent::_narrow( obj ) ;
1085 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
1086 _listInstances_map[instanceName] = iobject;
1087 _cntInstances_map[aGenRegisterName] += 1;
1088 _numInstanceMutex.unlock() ;
1089 SCRUTE(aGenRegisterName);
1090 SCRUTE(_cntInstances_map[aGenRegisterName]);
1092 // --- register the engine under the name
1093 // containerName(.dir)/instanceName(.object)
1095 _NS->Register( iobject , component_registerName.c_str() ) ;
1096 MESSAGE( component_registerName.c_str() << " bound" ) ;
1100 reason="Container_i::createInstance exception caught";
1103 return iobject._retn();
1106 //=============================================================================
1107 //! Find an existing (in the container) component instance
1109 * CORBA method: Finds a servant instance of a component
1110 * \param registeredName Name of the component in Registry or Name Service,
1111 * without instance suffix number
1112 * \return the first found instance
1114 //=============================================================================
1115 Engines::EngineComponent_ptr
1116 Abstract_Engines_Container_i::find_component_instance( const char* registeredName)
1118 Engines::EngineComponent_var anEngine = Engines::EngineComponent::_nil();
1119 std::map<std::string,Engines::EngineComponent_var>::iterator itm =_listInstances_map.begin();
1120 while (itm != _listInstances_map.end())
1122 std::string instance = (*itm).first;
1124 if (instance.find(registeredName) == 0)
1126 anEngine = (*itm).second;
1127 return anEngine._retn();
1131 return anEngine._retn();
1134 //=============================================================================
1135 //! Remove the component instance from container
1137 * CORBA method: Stops the component servant, and deletes all related objects
1138 * \param component_i Component to be removed
1140 //=============================================================================
1142 void Abstract_Engines_Container_i::remove_impl(Engines::EngineComponent_ptr component_i)
1144 ASSERT(! CORBA::is_nil(component_i));
1145 std::string instanceName = component_i->instanceName() ;
1146 MESSAGE("unload component " << instanceName);
1147 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
1148 _listInstances_map.erase(instanceName);
1149 _numInstanceMutex.unlock() ;
1150 component_i->destroy() ;
1151 _NS->Destroy_Name(instanceName.c_str());
1154 //=============================================================================
1155 //! Unload component libraries from the container
1157 * CORBA method: Discharges unused libraries from the container.
1159 //=============================================================================
1160 void Abstract_Engines_Container_i::finalize_removal()
1162 MESSAGE("finalize unload : dlclose");
1163 _numInstanceMutex.lock(); // lock to be alone
1164 // (see decInstanceCnt, load_component_Library)
1165 std::map<std::string, void *>::iterator ith;
1166 for (ith = _toRemove_map.begin(); ith != _toRemove_map.end(); ith++)
1168 void *handle = (*ith).second;
1169 std::string impl_name= (*ith).first;
1174 // dlclose(handle); // SALOME unstable after ...
1175 // _library_map.erase(impl_name);
1178 _toRemove_map.clear();
1179 _numInstanceMutex.unlock();
1182 //=============================================================================
1183 //! Decrement component instance reference count
1187 //=============================================================================
1188 void Abstract_Engines_Container_i::decInstanceCnt(std::string genericRegisterName)
1190 if(_cntInstances_map.count(genericRegisterName)==0)
1192 std::string aGenRegisterName =genericRegisterName;
1193 MESSAGE("Engines_Container_i::decInstanceCnt " << aGenRegisterName);
1194 ASSERT(_cntInstances_map[aGenRegisterName] > 0);
1195 _numInstanceMutex.lock(); // lock to be alone
1196 // (see finalize_removal, load_component_Library)
1197 _cntInstances_map[aGenRegisterName] -= 1;
1198 SCRUTE(_cntInstances_map[aGenRegisterName]);
1199 if (_cntInstances_map[aGenRegisterName] == 0)
1201 std::string impl_name =
1202 Engines_Component_i::GetDynLibraryName(aGenRegisterName.c_str());
1204 void* handle = _library_map[impl_name];
1206 _toRemove_map[impl_name] = handle;
1208 _numInstanceMutex.unlock();
1211 //=============================================================================
1212 //! Find or create a new component instance
1214 * CORBA method: find or create an instance of the component (servant),
1215 * load a new component class (dynamic library) if required,
1217 * ---- FOR COMPATIBILITY WITH 2.2 ----
1219 * ---- USE ONLY FOR MULTISTUDY INSTANCES ! --------
1221 * The servant registers itself to naming service and Registry.
1222 * \param genericRegisterName Name of the component to register
1223 * in Registry & Name Service
1224 * \param componentName Name of the constructed library of the component
1225 * \return a loaded component
1227 //=============================================================================
1229 Engines::EngineComponent_ptr
1230 Abstract_Engines_Container_i::load_impl( const char* genericRegisterName,
1231 const char* /*componentName*/ )
1234 std::string impl_name = std::string(LIB) + genericRegisterName + ENGINESO;
1235 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
1236 if (load_component_Library(genericRegisterName,reason))
1237 iobject = find_or_create_instance(genericRegisterName, impl_name);
1238 CORBA::string_free(reason);
1239 return iobject._retn();
1242 Engines::EmbeddedNamingService_ptr Abstract_Engines_Container_i::get_embedded_NS_if_ssl()
1244 SALOME_Embedded_NamingService_Client *nsc(dynamic_cast<SALOME_Embedded_NamingService_Client *>(this->_NS));
1247 Engines::EmbeddedNamingService_var obj = nsc->GetObject();
1248 return Engines::EmbeddedNamingService::_duplicate(obj);
1252 return Engines::EmbeddedNamingService::_nil();
1256 //=============================================================================
1257 //! Finds an already existing component instance or create a new instance
1259 * C++ method: Finds an already existing servant instance of a component, or
1260 * create an instance.
1261 * ---- USE ONLY FOR MULTISTUDY INSTANCES ! --------
1262 * \param genericRegisterName Name of the component instance to register
1263 * in Registry & Name Service,
1264 * (without _inst_n suffix, like "COMPONENT")
1265 * \param componentLibraryName like "libCOMPONENTEngine.so"
1266 * \return a loaded component
1268 * example with names:
1269 * - aGenRegisterName = COMPONENT (= first argument)
1270 * - impl_name = libCOMPONENTEngine.so (= second argument)
1271 * - _containerName = /Containers/cli76ce/FactoryServer
1272 * - factoryName = COMPONENTEngine_factory
1273 * - component_registerBase = /Containers/cli76ce/FactoryServer/COMPONENT
1274 * - instanceName = COMPONENT_inst_1
1275 * - component_registerName = /Containers/cli76ce/FactoryServer/COMPONENT_inst_1
1277 //=============================================================================
1279 Engines::EngineComponent_ptr
1280 Abstract_Engines_Container_i::find_or_create_instance(std::string genericRegisterName,
1281 std::string componentLibraryName)
1283 std::string aGenRegisterName = genericRegisterName;
1284 std::string impl_name = componentLibraryName;
1285 if (_library_map.count(impl_name) == 0)
1287 INFOS("shared library " << impl_name <<" must be loaded before creating instance");
1288 return Engines::EngineComponent::_nil() ;
1292 // --- find a registered instance in naming service, or create
1294 void* handle = _library_map[impl_name];
1295 std::string component_registerBase =
1296 _containerName + "/" + aGenRegisterName;
1297 Engines::EngineComponent_var iobject = Engines::EngineComponent::_nil() ;
1301 CORBA::Object_var obj =
1302 _NS->ResolveFirst( component_registerBase.c_str());
1303 if ( CORBA::is_nil( obj ) )
1305 iobject = createInstance(genericRegisterName,
1311 iobject = Engines::EngineComponent::_narrow( obj ) ;
1316 INFOS( "Container_i::load_impl caught" ) ;
1318 return iobject._retn();
1322 //=============================================================================
1323 //! Indicate if container is a python one
1325 * Retrieves only with container naming convention if it is a python container
1327 //=============================================================================
1328 bool Abstract_Engines_Container_i::isPythonContainer(const char* ContainerName)
1331 size_t len=strlen(ContainerName);
1333 if(strcmp(ContainerName+len-2,"Py")==0)
1338 //=============================================================================
1339 //! Kill the container
1341 * CORBA method: Kill the container process with exit(0).
1342 * To remove : never returns !
1344 //=============================================================================
1345 bool Abstract_Engines_Container_i::Kill_impl()
1347 MESSAGE("Engines_Container_i::Kill() pid "<< getpid() << " containerName "
1348 << _containerName.c_str() << " machineName "
1349 << Kernel_Utils::GetHostname().c_str());
1350 INFOS("===============================================================");
1351 INFOS("= REMOVE calls to Kill_impl in C++ container =");
1352 INFOS("===============================================================");
1358 //=============================================================================
1362 //=============================================================================
1363 void ActSigIntHandler()
1366 struct sigaction SigIntAct ;
1367 SigIntAct.sa_sigaction = &SigIntHandler ;
1368 sigemptyset(&SigIntAct.sa_mask);
1369 SigIntAct.sa_flags = SA_SIGINFO ;
1372 // DEBUG 03.02.2005 : the first parameter of sigaction is not a mask of signals
1373 // (SIGINT | SIGUSR1) :
1374 // it must be only one signal ===> one call for SIGINT
1375 // and an other one for SIGUSR1
1378 if ( sigaction( SIGINT , &SigIntAct, NULL ) )
1380 perror("SALOME_Container main ") ;
1383 if ( sigaction( SIGUSR1 , &SigIntAct, NULL ) )
1385 perror("SALOME_Container main ") ;
1388 if ( sigaction( SIGUSR2 , &SigIntAct, NULL ) )
1390 perror("SALOME_Container main ") ;
1394 //PAL9042 JR : during the execution of a Signal Handler (and of methods called through Signal Handlers)
1395 // use of streams (and so on) should never be used because :
1396 // streams of C++ are naturally thread-safe and use pthread_mutex_lock ===>
1397 // A stream operation may be interrupted by a signal and if the Handler use stream we
1398 // may have a "Dead-Lock" ===HangUp
1399 //==INFOS is commented
1400 // INFOS(pthread_self() << "SigIntHandler activated") ;
1403 signal( SIGINT, SigIntHandler );
1404 // legacy code required to supervisor. Commented in order to avoid problems on Windows
1405 // signal( SIGUSR1, SigIntHandler );
1411 void CallCancelThread() ;
1414 void SigIntHandler(int /*what*/ ,
1415 siginfo_t * siginfo ,
1418 //PAL9042 JR : during the execution of a Signal Handler (and of methods called through Signal Handlers)
1419 // use of streams (and so on) should never be used because :
1420 // streams of C++ are naturally thread-safe and use pthread_mutex_lock ===>
1421 // A stream operation may be interrupted by a signal and if the Handler use stream we
1422 // may have a "Dead-Lock" ===HangUp
1423 //==MESSAGE is commented
1424 // MESSAGE(pthread_self() << "SigIntHandler what " << what << std::endl
1425 // << " si_signo " << siginfo->si_signo << std::endl
1426 // << " si_code " << siginfo->si_code << std::endl
1427 // << " si_pid " << siginfo->si_pid) ;
1432 // MESSAGE("SigIntHandler END sleeping.") ;
1437 ActSigIntHandler() ;
1438 if ( siginfo->si_signo == SIGUSR1 )
1442 else if ( siginfo->si_signo == SIGUSR2 )
1444 CallCancelThread() ;
1449 // MESSAGE("SigIntHandler BEGIN sleeping.") ;
1456 // MESSAGE("SigIntHandler LEAVE sleeping after " << count << " s.") ;
1462 void SigIntHandler( int what )
1465 MESSAGE( pthread_self() << "SigIntHandler what " << what << std::endl );
1467 MESSAGE( "SigIntHandler what " << what << std::endl );
1472 MESSAGE("SigIntHandler END sleeping.") ;
1477 ActSigIntHandler() ;
1478 if ( what == SIGUSR1 )
1485 MESSAGE("SigIntHandler BEGIN sleeping.") ;
1492 MESSAGE("SigIntHandler LEAVE sleeping after " << count << " s.") ;
1499 //=============================================================================
1500 //! Get or create a file reference object associated to a local file (to transfer it)
1502 * CORBA method: get or create a fileRef object associated to a local file
1503 * (a file on the computer on which runs the container server), which stores
1504 * a list of (machine, localFileName) corresponding to copies already done.
1506 * \param origFileName absolute path for a local file to copy on other
1508 * \return a fileRef object associated to the file.
1510 //=============================================================================
1511 Engines::fileRef_ptr
1512 Abstract_Engines_Container_i::createFileRef(const char* origFileName)
1514 std::string origName(origFileName);
1515 Engines::fileRef_var theFileRef = Engines::fileRef::_nil();
1517 if (origName[0] != '/')
1519 INFOS("path of file to copy must be an absolute path beginning with '/'");
1520 return Engines::fileRef::_nil();
1523 if (CORBA::is_nil(_fileRef_map[origName]))
1525 CORBA::Object_var obj=_poa->id_to_reference(*_id);
1526 Engines::Container_var pCont = Engines::Container::_narrow(obj);
1527 fileRef_i* aFileRef = new fileRef_i(pCont, origFileName);
1528 theFileRef = Engines::fileRef::_narrow(aFileRef->_this());
1529 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
1530 _fileRef_map[origName] = theFileRef;
1531 _numInstanceMutex.unlock() ;
1534 theFileRef = Engines::fileRef::_duplicate(_fileRef_map[origName]);
1535 ASSERT(! CORBA::is_nil(theFileRef));
1536 return theFileRef._retn();
1539 //=============================================================================
1540 //! Get a fileTransfer reference
1543 * \return a reference to the fileTransfer object
1545 //=============================================================================
1546 Engines::fileTransfer_ptr
1547 Abstract_Engines_Container_i::getFileTransfer()
1549 Engines::fileTransfer_var aFileTransfer
1550 = Engines::fileTransfer::_duplicate(_fileTransfer);
1551 return aFileTransfer._retn();
1554 //=============================================================================
1555 //! Create a Salome file
1556 //=============================================================================
1557 Engines::Salome_file_ptr
1558 Abstract_Engines_Container_i::createSalome_file(const char* origFileName)
1560 std::string origName(origFileName);
1561 if (CORBA::is_nil(_Salome_file_map[origName]))
1563 Salome_file_i* aSalome_file = new Salome_file_i();
1564 aSalome_file->setContainer(Engines::Container::_duplicate(this->_this()));
1567 aSalome_file->setLocalFile(origFileName);
1568 aSalome_file->recvFiles();
1570 catch (const SALOME::SALOME_Exception& /*e*/) //!< TODO: unused variable
1572 return Engines::Salome_file::_nil();
1575 Engines::Salome_file_var theSalome_file = Engines::Salome_file::_nil();
1576 theSalome_file = Engines::Salome_file::_narrow(aSalome_file->_this());
1577 _numInstanceMutex.lock() ; // lock to be alone (stl container write)
1578 _Salome_file_map[origName] = theSalome_file;
1579 _numInstanceMutex.unlock() ;
1582 Engines::Salome_file_ptr theSalome_file =
1583 Engines::Salome_file::_duplicate(_Salome_file_map[origName]);
1584 ASSERT(!CORBA::is_nil(theSalome_file));
1585 return theSalome_file;
1588 //=============================================================================
1589 /*! \brief copy a file from a remote host (container) to the local host
1590 * \param container the remote container
1591 * \param remoteFile the file to copy locally from the remote host into localFile
1592 * \param localFile the local file
1594 //=============================================================================
1595 void Abstract_Engines_Container_i::copyFile(Engines::Container_ptr container, const char* remoteFile, const char* localFile)
1597 Engines::fileTransfer_var fileTransfer = container->getFileTransfer();
1600 if ((fp = fopen(localFile,"wb")) == NULL)
1602 INFOS("file " << localFile << " cannot be open for writing");
1606 CORBA::Long fileId = fileTransfer->open(remoteFile);
1609 Engines::fileBlock* aBlock;
1616 aBlock = fileTransfer->getBlock(fileId);
1617 toFollow = aBlock->length();
1619 CORBA::Octet *buf = aBlock->get_buffer();
1620 fwrite(buf, sizeof(CORBA::Octet), toFollow, fp);
1624 MESSAGE("end of transfer");
1625 fileTransfer->close(fileId);
1629 INFOS("open reference file for copy impossible");
1633 //=============================================================================
1634 /*! \brief create a PyNode object to execute remote python code
1635 * \param nodeName the name of the node
1636 * \param code the python code to load
1637 * \return the PyNode
1639 //=============================================================================
1640 Engines::PyNode_ptr Abstract_Engines_Container_i::createPyNode(const char* nodeName, const char* code)
1642 Engines::PyNode_var node= Engines::PyNode::_nil();
1644 PyGILState_STATE gstate = PyGILState_Ensure();
1645 PyObject *res = PyObject_CallMethod(_pyCont,
1646 (char*)"create_pynode",
1654 PyGILState_Release(gstate);
1655 SALOME::ExceptionStruct es;
1656 es.type = SALOME::INTERNAL_ERROR;
1657 es.text = "can not create a python node";
1658 throw SALOME::SALOME_Exception(es);
1660 long ierr=PyLong_AsLong(PyTuple_GetItem(res,0));
1661 PyObject* result=PyTuple_GetItem(res,1);
1662 std::string astr=PyUnicode_AsUTF8(result);
1664 PyGILState_Release(gstate);
1667 Utils_Locker lck(&_mutexForDftPy);
1668 CORBA::Object_var obj=_orb->string_to_object(astr.c_str());
1669 node=Engines::PyNode::_narrow(obj);
1670 std::map<std::string,Engines::PyNode_var>::iterator it(_dftPyNode.find(nodeName));
1671 if(it==_dftPyNode.end())
1673 _dftPyNode[nodeName]=node;
1677 Engines::PyNode_var oldNode((*it).second);
1678 if(!CORBA::is_nil(oldNode))
1679 oldNode->UnRegister();
1682 if(!CORBA::is_nil(node))
1684 return node._retn();
1688 SALOME::ExceptionStruct es;
1689 es.type = SALOME::INTERNAL_ERROR;
1690 es.text = astr.c_str();
1691 throw SALOME::SALOME_Exception(es);
1695 //=============================================================================
1696 /*! \brief Retrieves the last created PyNode instance with createPyNode.
1699 //=============================================================================
1700 Engines::PyNode_ptr Abstract_Engines_Container_i::getDefaultPyNode(const char *nodeName)
1702 Utils_Locker lck(&_mutexForDftPy);
1703 std::map<std::string,Engines::PyNode_var>::iterator it(_dftPyNode.find(nodeName));
1704 if(it==_dftPyNode.end())
1705 return Engines::PyNode::_nil();
1708 Engines::PyNode_var tmpVar((*it).second);
1709 if(!CORBA::is_nil(tmpVar))
1710 return Engines::PyNode::_duplicate(tmpVar);
1712 return Engines::PyNode::_nil();
1716 //=============================================================================
1717 /*! \brief create a PyScriptNode object to execute remote python code
1718 * \param nodeName the name of the node
1719 * \param code the python code to load
1720 * \return the PyScriptNode
1722 //=============================================================================
1723 Engines::PyScriptNode_ptr Abstract_Engines_Container_i::createPyScriptNode(const char* nodeName, const char* code)
1725 Engines::PyScriptNode_var node= Engines::PyScriptNode::_nil();
1727 PyGILState_STATE gstate = PyGILState_Ensure();
1728 PyObject *res = PyObject_CallMethod(_pyCont,
1729 (char*)"create_pyscriptnode",
1737 PyGILState_Release(gstate);
1738 SALOME::ExceptionStruct es;
1739 es.type = SALOME::INTERNAL_ERROR;
1740 es.text = "can not create a python node";
1741 throw SALOME::SALOME_Exception(es);
1743 long ierr=PyLong_AsLong(PyTuple_GetItem(res,0));
1744 PyObject* result=PyTuple_GetItem(res,1);
1745 std::string astr=PyUnicode_AsUTF8(result);
1747 PyGILState_Release(gstate);
1751 Utils_Locker lck(&_mutexForDftPy);
1752 CORBA::Object_var obj=_orb->string_to_object(astr.c_str());
1753 node=Engines::PyScriptNode::_narrow(obj);
1754 std::map<std::string,Engines::PyScriptNode_var>::iterator it(_dftPyScriptNode.find(nodeName));
1755 if(it==_dftPyScriptNode.end())
1757 _dftPyScriptNode[nodeName]=node;
1761 Engines::PyScriptNode_var oldNode((*it).second);
1762 if(!CORBA::is_nil(oldNode))
1763 oldNode->UnRegister();
1766 return node._retn();
1770 SALOME::ExceptionStruct es;
1771 es.type = SALOME::INTERNAL_ERROR;
1772 es.text = astr.c_str();
1773 throw SALOME::SALOME_Exception(es);
1777 void Abstract_Engines_Container_i::removePyScriptNode(const char *nodeName)
1779 std::map<std::string,Engines::PyScriptNode_var>::iterator it(_dftPyScriptNode.find(nodeName));
1780 if(it==_dftPyScriptNode.end())
1782 std::ostringstream oss; oss << "Engines_Container_i::removePyScriptNode : node \"" << nodeName << "\" is not map !";
1783 SALOME::ExceptionStruct es;
1784 es.type = SALOME::INTERNAL_ERROR;
1785 es.text = oss.str().c_str();
1786 throw SALOME::SALOME_Exception(es);
1788 (*it).second->UnRegister();
1789 _dftPyScriptNode.erase(it);
1792 void Abstract_Engines_Container_i::cleanAllPyScripts()
1794 for(std::map<std::string,Engines::PyNode_var>::iterator it=_dftPyNode.begin();it!=_dftPyNode.end();it++)
1796 Engines::PyNode_var tmpVar((*it).second);
1797 if(!CORBA::is_nil(tmpVar))
1798 tmpVar->UnRegister();
1801 for(std::map<std::string,Engines::PyScriptNode_var>::iterator it=_dftPyScriptNode.begin();it!=_dftPyScriptNode.end();it++)
1803 Engines::PyScriptNode_var tmpVar((*it).second);
1804 if(!CORBA::is_nil(tmpVar))
1805 tmpVar->UnRegister();
1807 _dftPyScriptNode.clear();
1810 //=============================================================================
1811 /*! \brief Retrieves the last created PyScriptNode instance with createPyScriptNode.
1814 //=============================================================================
1815 Engines::PyScriptNode_ptr Abstract_Engines_Container_i::getDefaultPyScriptNode(const char *nodeName)
1817 Utils_Locker lck(&_mutexForDftPy);
1818 std::map<std::string,Engines::PyScriptNode_var>::iterator it(_dftPyScriptNode.find(nodeName));
1819 if(it==_dftPyScriptNode.end())
1820 return Engines::PyScriptNode::_nil();
1823 Engines::PyScriptNode_var tmpVar((*it).second);
1824 if(!CORBA::is_nil(tmpVar))
1825 return Engines::PyScriptNode::_duplicate(tmpVar);
1827 return Engines::PyScriptNode::_nil();
1831 //=============================================================================
1832 /* int checkifexecutable(const char *filename)
1834 * Return non-zero if the name is an executable file, and
1835 * zero if it is not executable, or if it does not exist.
1837 //=============================================================================
1838 int checkifexecutable(const std::string& filename)
1841 struct stat statinfo;
1843 result = stat(filename.c_str(), &statinfo);
1844 if (result < 0) return 0;
1845 if (!S_ISREG(statinfo.st_mode)) return 0;
1850 if (statinfo.st_uid == geteuid()) return statinfo.st_mode & S_IXUSR;
1851 if (statinfo.st_gid == getegid()) return statinfo.st_mode & S_IXGRP;
1852 return statinfo.st_mode & S_IXOTH;
1857 //=============================================================================
1858 /*! \brief Find a file by searching in a path
1859 * \param filename file name to search
1860 * \param path path to search in
1861 * \param pth the complete file path if found
1862 * \return 1 if found 0 if not
1864 //=============================================================================
1865 int findpathof(const std::string& path, std::string& pth, const std::string& filename)
1867 if ( path.size() == 0 ) return 0;
1869 std::string::size_type offset = 0;
1870 std::string::size_type pos = 0;
1872 struct stat statinfo;
1876 pos = path.find( SEP, offset );
1877 pth = path.substr( offset, pos - offset );
1878 if ( pth.size() > 0 )
1880 if( pth[pth.size()-1] != SLASH ) pth += SLASH;
1882 int result=stat(pth.c_str(), &statinfo);
1883 if(result == 0) found=1;
1885 if (pos == std::string::npos) break;
1891 void Abstract_Engines_Container_i::registerTemporaryFile( const std::string& fileName )
1893 _tmp_files.remove( fileName );
1894 _tmp_files.push_back( fileName );
1897 void Abstract_Engines_Container_i::unregisterTemporaryFile( const std::string& fileName )
1899 _tmp_files.remove( fileName );
1902 void Abstract_Engines_Container_i::clearTemporaryFiles()
1904 std::list<std::string>::const_iterator it;
1905 for ( it = _tmp_files.begin(); it != _tmp_files.end(); ++it ) {
1906 #if defined(WIN32) && defined(UNICODE)
1907 std::wstring aFile = Kernel_Utils::utf8_decode_s(*it);
1908 std::wstring command = (GetFileAttributes(aFile.c_str()) == FILE_ATTRIBUTE_DIRECTORY) ? L"rd /Q \"" : L"del /F /Q \"";
1910 command += L"\" 2>NUL";
1911 _wsystem(command.c_str());
1914 std::string aFile = *it;
1915 std::string command = (GetFileAttributes(aFile.c_str()) == FILE_ATTRIBUTE_DIRECTORY) ? "rd /Q \"" : "del /F /Q \"";
1917 command += "\" 2>NUL";
1919 std::string command = "rm -rf ";
1922 system(command.c_str());
1928 static Engines_Container_SSL_i *_container_singleton_ssl = nullptr;
1930 static Engines::Container_var _container_ref_singleton_ssl;
1932 Engines_Container_SSL_i *KERNEL::getContainerSA()
1934 if(!_container_singleton_ssl)
1937 CORBA::ORB_var orb = CORBA::ORB_init(argc,nullptr);
1938 CORBA::Object_var obj = orb->resolve_initial_references("RootPOA");
1939 PortableServer::POA_var poa = PortableServer::POA::_narrow(obj);
1940 PortableServer::POAManager_var pman = poa->the_POAManager();
1941 CORBA::PolicyList policies;
1944 char *argv[4] = {"Container","FactoryServer","toto",nullptr};
1945 SALOME_Fake_NamingService ns;
1946 _container_singleton_ssl = new Engines_Container_SSL_i(orb,poa,"FactoryServer",2,argv,&ns,false);
1947 PortableServer::ObjectId * cont_id = _container_singleton_ssl->getCORBAId();
1949 CORBA::Object_var zeRef = poa->id_to_reference(*cont_id);
1950 _container_ref_singleton_ssl = Engines::Container::_narrow(zeRef);
1952 return _container_singleton_ssl;
1955 Engines::Container_var KERNEL::getContainerRefSA()
1958 return _container_ref_singleton_ssl;