1 // Copyright (C) 2007-2012 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SALOME NamingService : wrapping NamingService services
24 // File : SALOME_NamingService.cxx
25 // Author : Estelle Deville
29 #include "SALOME_NamingService.hxx"
30 #include "ServiceUnreachable.hxx"
32 #include "utilities.h"
40 #define strdup _strdup
43 /*! \class SALOME_NamingService
44 \brief A class to manage the SALOME naming service
48 // ============================================================================
49 /*! \brief Default Constructor without ORB reference.
51 * After Default Constructor, one needs to initialize ORB.
52 * \sa init_orb(CORBA::ORB_ptr orb), SALOME_NamingService(CORBA::ORB_ptr orb)
54 // ============================================================================
56 SALOME_NamingService::SALOME_NamingService()
58 MESSAGE("SALOME_NamingService default constructor");
59 _orb = CORBA::ORB::_nil();
60 _root_context = CosNaming::NamingContext::_nil();
63 // ============================================================================
64 /*! \brief Standard Constructor, with ORB reference.
66 * Initializes the naming service root context
67 * \param orb CORBA::ORB_ptr arguments
69 // ============================================================================
71 SALOME_NamingService::SALOME_NamingService(CORBA::ORB_ptr orb)
73 MESSAGE("SALOME_NamingService creation");
74 _orb = CORBA::ORB::_duplicate(orb);
75 _initialize_root_context();
78 // ============================================================================
79 /*! \brief Standard destructor.
81 * The standard destructor does nothing special.
83 // ============================================================================
85 SALOME_NamingService::~SALOME_NamingService()
87 // Problem MESSAGE with singleton: late destruction,
88 // after trace system destruction ?
89 //MESSAGE("SALOME_NamingService destruction");
92 // ============================================================================
93 /*! \brief initializes ORB reference and naming service root context.
95 * Initializes ORB reference and naming service root context.
96 * For use after default constructor.
97 * If param orb is null, the orb is initialized
98 * \param orb CORBA::ORB_ptr arguments
100 // ============================================================================
102 void SALOME_NamingService::init_orb(CORBA::ORB_ptr orb)
104 MESSAGE("SALOME_NamingService initialisation");
106 Utils_Locker lock (&_myMutex);
108 _orb = CORBA::ORB::_duplicate(orb);
112 _orb = CORBA::ORB_init(argc, 0); // Here we make the assumption that the orb has already been initialized
115 _initialize_root_context();
118 // ============================================================================
119 /*! \brief Registers a CORBA object reference under a path.
121 * Registers a CORBA object reference under a path. If the path ends with '/',
122 * only a directory is created.
123 * If the NamingService is out, the exception ServiceUnreachable is thrown.
124 * \param ObjRef CORBA object reference to associate to the path. To create
125 * only a directory, give nil pointer.
126 * \param Path A relative or absolute pathname to store the object reference.
127 * If the pathname begins with a '/', pathname is taken
128 * as an absolute pathname. Else, pathname is taken as a relative
129 * path, to current context. Prefer absolute pathname, relative
130 * pathname are not safe, when SALOME_NamingService object is
131 * shared or use in multithreaded context.
132 * If the path ends with '/', only a directory is created.
133 * \sa Change_Directory(const char* Path),
134 * Create_Directory(const char* Path)
135 * CORBA::Object_ptr Resolve(const char* Path)
137 // ============================================================================
139 void SALOME_NamingService::Register(CORBA::Object_ptr ObjRef,
141 throw(ServiceUnreachable)
143 MESSAGE("BEGIN OF Register: " << Path);
145 Utils_Locker lock (&_myMutex);
147 // --- _current_context is replaced to the _root_context
148 // if the Path begins whith '/'
151 _current_context = _root_context;
154 // --- the resolution of the directory path has to be done
155 // to place the current_context to the correct node
157 CosNaming::Name context_name;
158 std::vector<std::string> splitPath;
159 int dimension_resultat = _createContextNameDir(Path,
164 CORBA::Boolean not_exist = false;
166 if (dimension_resultat > 0){
167 // A directory is treated (not only an object name)
168 // test if the directory where ObjRef should be recorded already exists
169 // If not, create the new context
172 CORBA::Object_var obj = _current_context->resolve(context_name);
173 _current_context = CosNaming::NamingContext::_narrow(obj);
176 catch (CosNaming::NamingContext::NotFound &){
177 // --- failed to resolve, therefore assume cold start
181 catch (CosNaming::NamingContext::InvalidName &){
182 INFOS("Register() : CosNaming::NamingContext::InvalidName");
185 catch (CosNaming::NamingContext::CannotProceed &){
186 INFOS("Register() : CosNaming::NamingContext::CannotProceed");
189 catch (CORBA::SystemException&){
190 INFOS("Register() : CORBA::SystemException: "
191 << "unable to contact the naming service");
192 throw ServiceUnreachable();
197 context_name.length(1);
198 for (int i = 0 ; i < dimension_resultat ;i++){
199 context_name[0].id = CORBA::string_dup(splitPath[i].c_str());
200 context_name[0].kind = CORBA::string_dup("dir");
201 // SCRUTE(_context_name[0].id);
202 // --- check if the path is created
204 // --- if the context is already created, nothing to do
205 CORBA::Object_var obj = _current_context->resolve(context_name);
206 _current_context = CosNaming::NamingContext::_narrow(obj);
209 catch (CosNaming::NamingContext::NotFound &){
211 // --- the context must be created
212 CosNaming::NamingContext_var temp_context =
213 _current_context->bind_new_context(context_name);
214 _current_context = temp_context;
216 catch (CosNaming::NamingContext::AlreadyBound&){
217 CORBA::Object_var obj = _current_context->resolve(context_name);
218 _current_context = CosNaming::NamingContext::_narrow(obj);
224 catch (CosNaming::NamingContext::AlreadyBound&){
225 INFOS("Register() : CosNaming::NamingContext::AlreadyBound");
228 catch (CosNaming::NamingContext::NotFound& ex){
229 CosNaming::Name n = ex.rest_of_name;
231 if (ex.why == CosNaming::NamingContext::missing_node)
232 INFOS("Register() : " << (char *) n[0].id
233 << " (" << (char *) n[0].kind << ") not found");
235 if (ex.why == CosNaming::NamingContext::not_context)
236 INFOS("Register() : " << (char *) n[0].id
237 << " (" << (char *) n[0].kind
238 << ") is not a context");
240 if (ex.why == CosNaming::NamingContext::not_object)
241 INFOS("Register() : " << (char *) n[0].id
242 << " (" << (char *) n[0].kind
243 << ") is not an object");
246 catch (CosNaming::NamingContext::CannotProceed&){
247 INFOS("Register(): CosNaming::NamingContext::CannotProceed");
250 catch (CosNaming::NamingContext::InvalidName&){
251 INFOS("Register(): CosNaming::NamingContext::InvalidName");
254 catch (CORBA::SystemException&){
255 INFOS("Register():CORBA::SystemException: "
256 << "unable to contact the naming service");
257 throw ServiceUnreachable();
262 // --- The current directory is now the directory where the object should
265 int sizePath = splitPath.size();
266 if (sizePath > dimension_resultat){
267 ASSERT(sizePath == dimension_resultat+1);
268 context_name.length(1);
271 // --- the last element is an object and not a directory
273 context_name[0].id = CORBA::string_dup(splitPath[dimension_resultat].c_str());
274 context_name[0].kind = CORBA::string_dup("object");
275 //SCRUTE(context_name[0].id);
277 _current_context->bind(context_name, ObjRef);
280 catch (CosNaming::NamingContext::NotFound& ex){
281 CosNaming::Name n = ex.rest_of_name;
283 if (ex.why == CosNaming::NamingContext::missing_node)
284 INFOS("Register() : " << (char *) n[0].id
285 << " (" << (char *) n[0].kind << ") not found");
287 if (ex.why == CosNaming::NamingContext::not_context)
288 INFOS("Register() : " << (char *) n[0].id
289 << " (" << (char *) n[0].kind
290 << ") is not a context");
292 if (ex.why == CosNaming::NamingContext::not_object)
293 INFOS("Register() : " << (char *) n[0].id
294 << " (" << (char *) n[0].kind
295 << ") is not an object");
298 catch (CosNaming::NamingContext::CannotProceed&){
299 INFOS("Register(): CosNaming::NamingContext::CannotProceed");
302 catch (CosNaming::NamingContext::InvalidName&){
303 INFOS("Register(): CosNaming::NamingContext::InvalidName");
306 catch (CosNaming::NamingContext::AlreadyBound&){
307 INFOS("Register(): CosNaming::NamingContext::AlreadyBound, "
308 << "object will be rebind");
309 _current_context->rebind(context_name, ObjRef);
312 catch (CORBA::SystemException&){
313 INFOS("!!!Register(): CORBA::SystemException: "
314 << "unable to contact the naming service");
315 throw ServiceUnreachable();
320 // ============================================================================
321 /*! \brief get the CORBA object reference associated to a name.
323 * get the CORBA object reference associated to a complete name with a path.
324 * If the NamingService is out, the exception ServiceUnreachable is thrown
325 * \param Path pathname. If the pathname begins with a '/', pathname is taken
326 * as an absolute pathname. Else, pathname is taken as a relative
327 * path, to current context. Prefer absolute pathname, relative
328 * pathname are not safe, when SALOME_NamingService object is
329 * shared or use in multithreaded context.
330 * \return the object reference if it exists under the pathname,
331 * or nil reference in other cases.
332 * \sa Register(CORBA::Object_ptr ObjRef, const char* Path),
333 * Change_Directory(const char* Path)
335 // ============================================================================
337 CORBA::Object_ptr SALOME_NamingService::Resolve(const char* Path)
338 throw(ServiceUnreachable)
340 // MESSAGE("BEGIN OF Resolve: " << Path);
342 Utils_Locker lock (&_myMutex);
344 // --- _current_context is replaced to the _root_context
345 // if the Path begins whith '/'
349 _current_context = _root_context;
352 // --- the resolution of the directory path has to be done
353 // to place the current_context to the correct node
355 CosNaming::Name context_name;
356 std::vector<std::string> splitPath;
357 _createContextNameDir(Path,
362 ASSERT(!CORBA::is_nil(_current_context));
364 CORBA::Object_var obj = CORBA::Object::_nil();
368 obj = _current_context->resolve(context_name);
371 catch (CosNaming::NamingContext::NotFound& ex)
373 CosNaming::Name n = ex.rest_of_name;
375 if (ex.why == CosNaming::NamingContext::missing_node)
376 MESSAGE("Resolve() : " << (char *) n[0].id
377 << " (" << (char *) n[0].kind << ") not found");
379 if (ex.why == CosNaming::NamingContext::not_context)
381 << (char *) n[0].id << " (" << (char *) n[0].kind
382 << ") is not a context");
384 if (ex.why == CosNaming::NamingContext::not_object)
385 INFOS("Resolve() : " << (char *) n[0].id
386 << " (" << (char *) n[0].kind
387 << ") is not an object");
390 catch (CosNaming::NamingContext::CannotProceed&)
392 INFOS("Resolve(): CosNaming::NamingContext::CannotProceed");
395 catch (CosNaming::NamingContext::InvalidName&)
397 INFOS("Resolve(): CosNaming::NamingContext::InvalidName");
400 catch (CORBA::SystemException&)
402 INFOS("Resolve():CORBA::SystemException : unable to contact"
403 << "the naming service");
404 throw ServiceUnreachable();
410 // ============================================================================
411 /*! \brief get the CORBA object reference associated to an uncomplete name.
413 * get the CORBA object reference associated to an uncomplete name with a
414 * path. Look for the first occurence of name*.
415 * If the NamingService is out, the exception ServiceUnreachable is thrown
416 * \param Path pathname under the form "/path/name" (Absolute reference !)
417 * search the fist reference like "/path(.dir)/name*(.kind)"
418 * \return the object reference if found, or nil reference.
419 * \sa Resolve(const char* Path)
421 // ============================================================================
423 CORBA::Object_ptr SALOME_NamingService::ResolveFirst(const char* Path)
424 throw(ServiceUnreachable)
426 // MESSAGE("ResolveFirst");
428 Utils_Locker lock (&_myMutex);
431 std::string thePath = Path;
432 std::string basePath = "";
433 std::string name = thePath;
435 std::string::size_type idx = thePath.rfind('/');
437 if (idx != std::string::npos) // at least one '/' found
439 basePath = thePath.substr(0, idx);
440 name = thePath.substr(idx + 1);
445 CORBA::Object_var obj = CORBA::Object::_nil();
448 if (basePath.empty())
451 isOk = Change_Directory(basePath.c_str());
455 std::vector<std::string> listElem = list_directory();
456 std::vector<std::string>::iterator its = listElem.begin();
458 while (its != listElem.end())
462 if ((*its).find(name) == 0)
464 return Resolve((*its).c_str());
474 // ============================================================================
475 /*! \brief find a component instance from hostname, containername,
476 * componentName and number of processors.
478 * find a component instance from hostname, containername, componentName and
479 * number of processors.
480 * If the NamingService is out, the exception ServiceUnreachable is thrown.
481 * \param hostname name of the machine on which the component is searched.
482 * \param containerName name of the container in which the component is
484 * \param componentName name of the component we are looking for an existing
486 * \param nbproc in case of multi processor machine, container name is
487 * suffixed with _nbproc.
488 * \return the object reference
490 // ============================================================================
493 SALOME_NamingService::ResolveComponent(const char* hostname,
494 const char* containerName,
495 const char* componentName,
497 throw(ServiceUnreachable)
499 // MESSAGE("ResolveComponent");
501 Utils_Locker lock (&_myMutex);
503 std::string name = "/Containers/";
507 if ( strlen(containerName) != 0 )
513 char *newContainerName = new char[strlen(containerName) + 8];
514 sprintf(newContainerName, "%s_%d", containerName, nbproc);
515 name += newContainerName;
516 delete [] newContainerName;
520 name += containerName;
524 name += componentName;
526 return ResolveFirst(name.c_str());
532 std::string basename = name;
533 if (Change_Directory(basename.c_str()))
535 std::vector<std::string> contList = list_subdirs();
537 for (unsigned int ind = 0; ind < contList.size(); ind++)
539 name = contList[ind].c_str();
543 char *str_nbproc = new char[8];
544 sprintf(str_nbproc, "_%d", nbproc);
545 if( strstr(name.c_str(),str_nbproc) == NULL)
546 continue; // check only containers with _%d in name
547 delete [] str_nbproc;
551 name += componentName;
553 CORBA::Object_ptr obj = ResolveFirst(name.c_str());
555 if ( !CORBA::is_nil(obj) )
558 Change_Directory(basename.c_str());
562 return CORBA::Object::_nil();
566 // ============================================================================
567 /*! \brief provide a default container name if empty.
569 * the given container name is returned unchanged, unless it is empty.
570 * \param containerName
571 * \return container name, where empty input is replaced by "FactoryServer",
573 * \sa BuildContainerNameForNS(const char *containerName, const char *hostname)
575 // ============================================================================
577 std::string SALOME_NamingService::ContainerName(const char *containerName)
581 if (strlen(containerName) == 0)
582 ret = "FactoryServer";
589 // ============================================================================
590 /*! \brief build a container name, given a ContainerParameters struct.
592 * Build a container name with a ContainerParameters struct. In case of multi
593 * processor machine, container name is suffixed with number of processors.
594 * \param params struct from which we get container name (may be empty) and
595 * number of processors.
596 * \return a container name without the path.
597 * \sa BuildContainerNameForNS(const Engines::ContainerParameters& params,
598 * const char *hostname)
600 // ============================================================================
603 SALOME_NamingService::ContainerName(const Engines::ContainerParameters& params)
609 else if ( params.nb_proc <= 0 )
612 nbproc = params.nb_proc;
614 std::string ret = ContainerName(params.container_name);
618 char *suffix = new char[8];
619 sprintf(suffix, "_%d", nbproc);
626 // ============================================================================
627 /*! \brief build a string representing a container in Naming Service.
629 * Build a string representing the absolute pathname of a container in
630 * SALOME_NamingService. This form gives a suffixed containerName in case of
631 * multi processor machine.
632 * \param containerName name of the container in which the component is
634 * \param hostname name of the host of the container, without domain names.
635 * \return the path under the form /Containers/hostname/containerName
636 * \sa ContainerName(const Engines::MachineParameters& params)
638 // ============================================================================
640 std::string SALOME_NamingService::BuildContainerNameForNS(const char *containerName,
641 const char *hostname)
643 std::string ret = "/Containers/";
646 ret += ContainerName(containerName);
651 // ============================================================================
652 /*! \brief build a string representing a container in Naming Service.
654 * Build a string representing the absolute pathname of a container in
655 * SALOME_NamingService.
656 * \param params used as it is, or replaced by FactoryServer if empty.
657 * \param hostname name of the host of the container, without domain names.
658 * \return the path under the form /Containers/hostname/containerName
659 * \sa ContainerName(const char *containerName)
661 // ============================================================================
664 SALOME_NamingService::
665 BuildContainerNameForNS(const Engines::ContainerParameters& params,
666 const char *hostname)
668 std::string ret = "/Containers/";
671 ret += ContainerName(params);
676 // ============================================================================
677 /*! \brief search a name in current directory.
679 * Search a name in the current directory. after call, the current directory
680 * is changed to the directory containing the last occurence of name found.
681 * If no occurence found (see return value), current directory remains
684 * \param name the name to search.
685 * \return number of occurences found.
686 * \sa Change_Directory(const char* Path)
688 // ============================================================================
690 int SALOME_NamingService::Find(const char* name)
691 throw(ServiceUnreachable)
693 MESSAGE("BEGIN OF Find " << name);
695 Utils_Locker lock (&_myMutex);
697 CORBA::Long occurence_number = 0 ;
701 _Find(name, occurence_number);
704 catch (CORBA::SystemException&)
706 INFOS("!!!Find() : CORBA::SystemException : unable to contact"
707 << " the naming service");
708 throw ServiceUnreachable();
711 return occurence_number;
714 // ============================================================================
715 /*! \brief Creates a directory (context_name)
717 * Creates a directory (context_name) relative to the current directory
718 * (current context) or relative to the root directory (root context), if
719 * the path given begins with a '/'.
720 * If the NamingService is out, the exception ServiceUnreachable is thrown.
721 * \param Path A relative or absolute pathname to store the object reference.
722 * If the pathname begins with a '/', pathname is taken
723 * as an absolute pathname. Else, pathname is taken as a relative
724 * path, to current context. Prefer absolute pathname, relative
725 * pathname are not safe, when SALOME_NamingService object is
726 * shared or use in multithreaded context.
727 * \return true if successfull
728 * (creation not strictly garanteed if true, because Register may
729 * catch some specific unlikely exception without throw anything
730 * --- to be corrected ---)
731 * \sa RegisterCORBA::Object_ptr ObjRef, const char* Path)
733 // ============================================================================
735 bool SALOME_NamingService::Create_Directory(const char* Path)
736 throw(ServiceUnreachable)
738 MESSAGE("BEGIN OF Create_Directory");
740 Utils_Locker lock (&_myMutex);
742 std::string path(Path);
744 // --- if path empty, nothing to create, no context change
749 // --- if path ='/', nothing to create, only change to root_context
753 MESSAGE("Create Directory '/', just change to root_context");
754 _current_context = _root_context;
758 // --- path must end with '/'
760 if (path[path.length()-1] != '/') path += '/';
762 Register(CORBA::Object::_nil(), path.c_str());
766 // ============================================================================
767 /*! \brief change current directory to the given path
769 * change the current directory to the given path in parameter.
770 * Warning: avoid use when the SALOME_NamingService instance is shared by
771 * several threads (current context may be modified by another thread).
772 * If the path is empty, nothing done return OK.
773 * If Path ="/", the current directory changes to the root directory.
774 * If the NamingService is out, the exception ServiceUnreachable is thrown.
775 * \param Path the new current directory
776 * \return true if the change succeeded
778 // ============================================================================
780 bool SALOME_NamingService::Change_Directory(const char* Path)
781 throw(ServiceUnreachable)
783 // MESSAGE("BEGIN OF Change_Directory " << Path);
784 Utils_Locker lock (&_myMutex);
786 std::string path(Path);
788 // --- if path empty, nothing to do
793 // --- if path ='/', nothing to resolve, only change to root_context
797 // MESSAGE("Change_Directory is called to go to the root_context");
798 _current_context = _root_context;
802 CosNaming::NamingContext_var current_context = _current_context;
803 bool changeOK = false;
805 // --- replace _current_context with _root_context if Path begins whith '/'
808 current_context = _root_context;
810 // --- need to resolve directory path
812 ASSERT(!CORBA::is_nil(current_context));
814 if (path[path.length()-1] != '/') path += '/';
816 CosNaming::Name context_name;
817 std::vector<std::string> splitPath;
818 _createContextNameDir(path.c_str(),
823 // --- Context creation
827 CORBA::Object_var obj = current_context->resolve(context_name);
828 current_context = CosNaming::NamingContext::_narrow(obj);
829 ASSERT(!CORBA::is_nil(current_context));
830 _current_context = current_context;
834 catch (CosNaming::NamingContext::NotFound& ex)
836 CosNaming::Name n = ex.rest_of_name;
838 if (ex.why == CosNaming::NamingContext::missing_node)
839 MESSAGE( "Change_Directory() : " << (char *) n[0].id
840 << " (" << (char *) n[0].kind << ") not found");
841 if (ex.why == CosNaming::NamingContext::not_context)
842 INFOS("Change_Directory() : " << (char *) n[0].id
843 << " (" << (char *) n[0].kind
844 << ") is not a context" );
845 if (ex.why == CosNaming::NamingContext::not_object)
846 INFOS( "Change_Directory() : " << (char *) n[0].id
847 << " (" << (char *) n[0].kind
848 << ") is not an object" );
851 catch (CosNaming::NamingContext::CannotProceed&)
853 INFOS("Change_Directory(): CosNaming::NamingContext::CannotProceed");
856 catch (CosNaming::NamingContext::InvalidName&)
858 INFOS("Change_Directory(): CosNaming::NamingContext::InvalidName");
861 catch (CORBA::SystemException&)
863 INFOS("Change_Directory():CORBA::SystemException : unable to contact"
864 << "the naming service");
865 throw ServiceUnreachable();
871 // ============================================================================
872 /*! \brief get the current directory path
874 * Get the current directory path.
875 * If the NamingService is out, the exception ServiceUnreachable is thrown.
876 * \return the path of the current_context
877 * \sa _current_directory
879 // ============================================================================
881 char* SALOME_NamingService::Current_Directory()
882 throw(ServiceUnreachable)
884 MESSAGE("BEGIN OF Current_Directory");
886 Utils_Locker lock (&_myMutex);
888 CosNaming::NamingContext_var ref_context = _current_context;
890 std::vector<std::string> splitPath;
893 bool notFound = true ;
895 // --- start search from root context
897 _current_context = _root_context ;
901 _current_directory(splitPath, lengthPath, ref_context, notFound );
904 catch (CORBA::SystemException&)
906 INFOS("Current_Directory(): CORBA::SystemException: unable to contact"
907 << " the naming service" )
908 throw ServiceUnreachable();
912 lengthPath = splitPath.size();
913 for (int k = 0 ; k < lengthPath ;k++)
916 path += splitPath[k];
920 _current_context = ref_context ;
922 return strdup(path.c_str());
925 // ============================================================================
926 /*! \brief list recursively all objects in the current context
928 * List and print via trace all directories and objects in the current
929 * context. Trace must be activated: compile option _DEBUG_
930 * If the NamingService is out, the exception ServiceUnreachable is thrown
932 // ============================================================================
934 void SALOME_NamingService::list()
935 throw(ServiceUnreachable)
937 MESSAGE("Begin of list");
939 Utils_Locker lock (&_myMutex)
942 CosNaming::BindingList_var binding_list;
943 CosNaming::BindingIterator_var binding_iterator;
944 CosNaming::Binding_var binding ;
946 unsigned long nb = 0 ; // --- only for the BindingIterator use,
947 // to access the bindings
949 CosNaming::NamingContext_var ref_context = _current_context;
951 _current_context->list(nb, binding_list, binding_iterator) ;
953 if (! CORBA::is_nil(binding_iterator))
955 while (binding_iterator->next_one(binding))
957 CosNaming::Name bindingName = binding->binding_name;
959 if (binding->binding_type == CosNaming::ncontext)
961 MESSAGE( "Context : " << bindingName[0].id );
965 Change_Directory(bindingName[0].id);
968 catch (ServiceUnreachable&)
970 INFOS( "list(): ServiceUnreachable" )
971 throw ServiceUnreachable();
975 _current_context = ref_context ;
978 else if (binding->binding_type == CosNaming::nobject)
980 MESSAGE( "Object : " << bindingName[0].id );
984 binding_iterator->destroy();
988 // ============================================================================
989 /*! \brief list all the objects in the current directory.
991 * get a list of all the objects in the current directory, without recursion
992 * on the subdirectories. Only the objects are listed, not the directories.
993 * If the NamingService is out, the exception ServiceUnreachable is thrown.
994 * \return list of strings with objects found.
995 * \sa vector<string> list_directory_recurs()
997 // ============================================================================
999 std::vector<std::string> SALOME_NamingService::list_directory()
1000 throw(ServiceUnreachable)
1002 // MESSAGE("list_directory");
1003 std::vector<std::string> dirList ;
1006 CosNaming::BindingList_var binding_list;
1007 CosNaming::BindingIterator_var binding_iterator;
1008 CosNaming::Binding_var binding ;
1010 unsigned long nb = 0 ; // --- only for the BindingIterator use,
1011 // to access the bindings
1013 CosNaming::NamingContext_var ref_context = _current_context;
1015 _current_context->list(nb, binding_list, binding_iterator);
1017 if (binding_iterator->_is_nil())
1020 while (binding_iterator->next_one(binding))
1022 CosNaming::Name bindingName = binding->binding_name;
1024 if (binding->binding_type == CosNaming::nobject)
1026 // remove memory leak
1027 // dirList.push_back(CORBA::string_dup(bindingName[0].id));
1028 dirList.push_back(std::string(bindingName[0].id));
1032 // for (unsigned int ind = 0; ind < dirList.size(); ind++)
1033 // MESSAGE("list_directory : Object : " << dirList[ind]);
1035 binding_iterator->destroy();
1041 // ============================================================================
1042 /*! \brief list all the subdirectories in the current directory.
1044 * get a list of all the subdirectories in the current directory,
1045 * without recursion on the subdirectories.
1046 * Only the subdirectories are listed, not the objects.
1047 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1048 * \return list of strings with directories found.
1049 * \sa vector<string> list_directory()
1051 // ============================================================================
1053 std::vector<std::string> SALOME_NamingService::list_subdirs()
1054 throw(ServiceUnreachable)
1056 MESSAGE("list_subdirs");
1057 std::vector<std::string> dirList ;
1060 CosNaming::BindingList_var binding_list;
1061 CosNaming::BindingIterator_var binding_iterator;
1062 CosNaming::Binding_var binding ;
1064 unsigned long nb = 0 ; // --- only for the BindingIterator use,
1065 // to access the bindings
1067 CosNaming::NamingContext_var ref_context = _current_context;
1069 _current_context->list(nb, binding_list, binding_iterator) ;
1071 if (binding_iterator->_is_nil())
1074 while (binding_iterator->next_one(binding))
1076 CosNaming::Name bindingName = binding->binding_name;
1078 if (binding->binding_type == CosNaming::ncontext)
1080 dirList.push_back(bindingName[0].id.in());
1084 for (unsigned int ind = 0; ind < dirList.size(); ind++)
1085 MESSAGE("list_directory : Object : " << dirList[ind]);
1087 binding_iterator->destroy();
1092 // ============================================================================
1093 /*! \brief list all the objects in the current directory and subdirectories.
1095 * get a list of all the objects in the current directory, with recursion
1096 * on the subdirectories. Only the objects are listed, not the directories.
1097 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1098 * \return list of strings with objects found.
1099 * \sa vector<string> list_directory()
1101 // ============================================================================
1103 std::vector<std::string> SALOME_NamingService::list_directory_recurs()
1104 throw(ServiceUnreachable)
1106 MESSAGE("list_directory_recurs");
1108 Utils_Locker lock (&_myMutex);
1110 std::vector<std::string> dirList ;
1112 char* currentDir = Current_Directory();
1114 _list_directory_recurs(dirList, "", currentDir);
1121 // ============================================================================
1122 /*! \brief destroy an entry in naming service.
1124 * Destroy an association Path - Object Reference.
1125 * If the NamingService is out, the exception ServiceUnreachable is thrown
1126 * \param Path object path
1128 // ============================================================================
1130 void SALOME_NamingService::Destroy_Name(const char* Path)
1131 throw(ServiceUnreachable)
1133 MESSAGE("BEGIN OF Destroy_Name " << Path);
1135 Utils_Locker lock (&_myMutex);
1137 std::string path(Path);
1139 // --- if path empty, nothing to do
1144 // --- if path = '/' not applicable, nothing to do
1149 // --- if path begins with '/', set current directory to root context
1152 _current_context = _root_context;
1154 // --- context of the directory containing the object
1156 CosNaming::Name context_name;
1157 std::vector<std::string> splitPath;
1158 int dimension_resultat = _createContextNameDir(path.c_str(),
1165 if (dimension_resultat > 0)
1167 // --- path contains a directory, not only an object name
1168 // switch to the new directory (or return if directory not found)
1172 CORBA::Object_var obj = _current_context->resolve(context_name);
1173 _current_context = CosNaming::NamingContext::_narrow(obj);
1177 catch (CosNaming::NamingContext::NotFound &ex)
1179 // --- failed to resolve
1182 CosNaming::Name n = ex.rest_of_name;
1184 if (ex.why == CosNaming::NamingContext::missing_node)
1185 INFOS( "Destroy_Name(): " << (char *) n[0].id
1186 << " (" << (char *) n[0].kind << ") not found" );
1187 if (ex.why == CosNaming::NamingContext::not_context)
1188 INFOS( "Destroy_Name() : " << (char *) n[0].id
1189 << " (" << (char *) n[0].kind
1190 << ") is not a context" );
1191 if (ex.why == CosNaming::NamingContext::not_object)
1192 INFOS( "Destroy_Name() : " << (char *) n[0].id
1193 << " (" << (char *) n[0].kind
1194 << ") is not an object" );
1197 catch (CosNaming::NamingContext::InvalidName &)
1199 INFOS("Destroy_Name: CosNaming::NamingContext::InvalidName");
1202 catch (CosNaming::NamingContext::CannotProceed &)
1204 INFOS("Destroy_Name: CosNaming::NamingContext::CannotProceed");
1207 catch (CORBA::SystemException&)
1209 INFOS("Destroy_Name : CORBA::SystemException: "
1210 << "unable to contact the naming service");
1211 throw ServiceUnreachable();
1214 if (! exist) return;
1217 ASSERT(!CORBA::is_nil(_current_context));
1219 // --- The current directory is now the directory where the object should
1222 int sizePath = splitPath.size();
1223 if (sizePath > dimension_resultat)
1225 ASSERT(sizePath == dimension_resultat+1);
1226 context_name.length(1);
1230 // --- the last element is an object and not a directory
1232 context_name[0].id =
1233 CORBA::string_dup(splitPath[dimension_resultat].c_str());
1234 context_name[0].kind = CORBA::string_dup("object");
1235 SCRUTE(context_name[0].id);
1237 _current_context->unbind(context_name);
1238 MESSAGE("The object " << context_name[0].id << " has been deleted");
1241 catch (CosNaming::NamingContext::NotFound& ex)
1243 CosNaming::Name n = ex.rest_of_name;
1245 if (ex.why == CosNaming::NamingContext::missing_node)
1246 INFOS( "Destroy_Name() : " << (char *) n[0].id
1247 << " (" << (char *) n[0].kind << ") not found" );
1248 if (ex.why == CosNaming::NamingContext::not_context)
1249 INFOS( "Destroy_Name() : " << (char *) n[0].id
1250 << " (" << (char *) n[0].kind
1251 << ") is not a context" );
1252 if (ex.why == CosNaming::NamingContext::not_object)
1253 INFOS( "Destroy_Name() : " << (char *) n[0].id
1254 << " (" << (char *) n[0].kind
1255 << ") is not an object" );
1258 catch (CosNaming::NamingContext::CannotProceed&)
1260 INFOS( "Destroy_Name(): CosNaming::NamingContext::CannotProceed");
1263 catch (CosNaming::NamingContext::InvalidName&)
1265 INFOS( "Destroy_Name(): CosNaming::NamingContext::InvalidName");
1268 catch (CORBA::SystemException&)
1270 INFOS( "Destroy_Name(): CORBA::SystemException: unable to contact"
1271 << " the naming service");
1272 throw ServiceUnreachable();
1277 // ============================================================================
1278 /*! \brief Destroy an empty directory
1280 * Destroy an empty directory in Naming Service.
1281 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1282 * \param Path directory path
1284 // ============================================================================
1286 void SALOME_NamingService::Destroy_Directory(const char* Path)
1287 throw(ServiceUnreachable)
1289 MESSAGE("BEGIN OF Destroy_Directory " << Path);
1291 Utils_Locker lock (&_myMutex);
1293 std::string path(Path);
1295 // --- if path empty, nothing to do
1300 // --- if path begins with '/', set current directory to root context
1303 _current_context = _root_context;
1305 CosNaming::NamingContext_var ref_context = _current_context;
1307 // --- path must ends with '/' for a directory
1309 if (path[path.size() -1] != '/')
1312 // --- context of the directory
1314 CosNaming::Name context_name;
1315 std::vector<std::string> splitPath;
1316 int dimension_resultat = _createContextNameDir(path.c_str(),
1322 if (dimension_resultat > 0)
1324 // --- path contains a directory, not only an object name
1325 // switch to the new directory (or return if directory not found)
1329 CORBA::Object_var obj = _current_context->resolve(context_name);
1330 _current_context = CosNaming::NamingContext::_narrow(obj);
1334 catch (CosNaming::NamingContext::NotFound &ex)
1336 // --- failed to resolve
1339 CosNaming::Name n = ex.rest_of_name;
1341 if (ex.why == CosNaming::NamingContext::missing_node)
1342 INFOS( "Destroy_Directory(): " << (char *) n[0].id
1343 << " (" << (char *) n[0].kind << ") not found" );
1344 if (ex.why == CosNaming::NamingContext::not_context)
1345 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1346 << " (" << (char *) n[0].kind
1347 << ") is not a context" );
1348 if (ex.why == CosNaming::NamingContext::not_object)
1349 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1350 << " (" << (char *) n[0].kind
1351 << ") is not an object" );
1354 catch (CosNaming::NamingContext::InvalidName &)
1356 INFOS("Destroy_Directory: CosNaming::NamingContext::InvalidName");
1359 catch (CosNaming::NamingContext::CannotProceed &)
1361 INFOS("Destroy_Directory: CosNaming::NamingContext::CannotProceed");
1364 catch (CORBA::SystemException&)
1366 INFOS("Destroy_Directory : CORBA::SystemException: "
1367 << "unable to contact the naming service");
1368 throw ServiceUnreachable();
1371 if (! exist) return;
1374 ASSERT(!CORBA::is_nil(_current_context));
1376 // --- Context Destruction
1378 bool isContextDestroyed = false;
1381 _current_context->destroy();
1382 MESSAGE( "The context " << path << " has been deleted" );
1383 isContextDestroyed = true;
1386 catch (CosNaming::NamingContext::NotEmpty&)
1388 INFOS( "Destroy_Directory(): CosNaming::NamingContext::NoEmpty "
1389 << path << " is not empty" );
1392 catch (CORBA::SystemException&)
1394 INFOS( "Destroy_Directory():CORBA::SystemException : "
1395 << "unable to contact the naming service");
1396 throw ServiceUnreachable();
1399 // --- go to the reference directory
1401 _current_context = ref_context ;
1403 ASSERT(!CORBA::is_nil(_current_context));
1405 if (isContextDestroyed)
1409 _current_context->unbind(context_name);
1410 MESSAGE( "The bind to the context "
1411 << context_name[0].id
1412 << " has been deleted" );
1415 catch (CosNaming::NamingContext::NotFound& ex)
1417 CosNaming::Name n = ex.rest_of_name;
1419 if (ex.why == CosNaming::NamingContext::missing_node)
1420 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1421 << " (" << (char *) n[0].kind << ") not found" );
1422 if (ex.why == CosNaming::NamingContext::not_context)
1423 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1424 << " (" << (char *) n[0].kind
1425 << ") is not a context" );
1426 if (ex.why == CosNaming::NamingContext::not_object)
1427 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1428 << " (" << (char *) n[0].kind
1429 << ") is not an object" );
1432 catch (CosNaming::NamingContext::CannotProceed&)
1434 INFOS("Destroy_Directory: CosNaming::NamingContext::CannotProceed");
1437 catch (CosNaming::NamingContext::InvalidName&)
1439 INFOS("Destroy_Directory: CosNaming::NamingContext::InvalidName");
1442 catch (CORBA::SystemException&)
1444 INFOS("Destroy_Directory:CORBA::SystemException : unable to contact"
1445 << " the naming service");
1446 throw ServiceUnreachable();
1451 // ============================================================================
1452 /*! \brief Destroy a directory with its contents.
1454 * Destroy the objects associations in a directory, and the directory itself,
1455 * if there is no subdirectories.
1456 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1457 * \param Path the directory path.
1459 // ============================================================================
1461 void SALOME_NamingService::Destroy_FullDirectory(const char* Path)
1462 throw(ServiceUnreachable)
1464 MESSAGE("begin of Destroy_FullDirectory " << Path);
1465 if( Change_Directory(Path) )
1467 std::vector<std::string> contList = list_directory();
1469 for (unsigned int ind = 0; ind < contList.size(); ind++)
1470 Destroy_Name(contList[ind].c_str());
1472 Destroy_Directory(Path);
1476 // ============================================================================
1477 /*! \brief initialize root context (root directory)
1479 * the root context initialisation must be done when the SALOME_NamingService
1480 * instance is created and before any othe call. See constructors.
1482 // ============================================================================
1484 void SALOME_NamingService::_initialize_root_context()
1486 //MESSAGE("Get the root context");
1490 CORBA::Object_var obj = _orb->resolve_initial_references("NameService");
1491 _root_context = CosNaming::NamingContext::_narrow(obj);
1492 _current_context = _root_context ;
1493 ASSERT(!CORBA::is_nil(_root_context));
1496 catch (CORBA::SystemException&)
1498 INFOS("CORBA::SystemException: unable to contact the naming service");
1499 throw ServiceUnreachable();
1504 INFOS("Unknown Exception: unable to contact the naming service");
1505 throw ServiceUnreachable();
1509 // ============================================================================
1510 /*! \brief transform a string path in CosNaming structure.
1512 * Transform a path given as a string in a CosNaming structure.
1513 * \param path a relative or absolute path, with or without an object.
1514 * An absolute path begins with '/'.
1515 * A path without an object ends with '/'.
1516 * \param context_name CosNaming structure to put the path.
1517 * \param splitPath a vector of string with subdirectories and final
1519 * \param onlyDir if true, final object (if any) is ommited
1521 * if false, final object (if any) is included in
1523 * \return dimension of context_name
1525 // ============================================================================
1528 SALOME_NamingService::_createContextNameDir(std::string path,
1529 CosNaming::Name& context_name,
1530 std::vector<std::string>& splitPath,
1536 std::string::size_type begIdx, endIdx;
1537 const std::string delims("/");
1538 splitPath.resize(0);
1539 bool endWithDelim = false;
1541 begIdx = path.find_first_not_of(delims);
1542 while (begIdx != std::string::npos)
1544 endIdx = path.find_first_of(delims, begIdx);
1545 if (endIdx == path.length()-1)
1546 endWithDelim = true;
1547 if (endIdx == std::string::npos)
1548 endIdx = path.length();
1549 int lsub = endIdx - begIdx;
1551 splitPath.push_back(path.substr(begIdx, lsub));
1552 begIdx = path.find_first_not_of(delims, endIdx);
1556 if (onlyDir) // only directory part
1558 dim = splitPath.size()-1; // omit final object
1559 if (endWithDelim) // unless the path ends with a delimiter
1561 endWithDelim = true;
1564 dim = splitPath.size(); // directories and final object
1566 context_name.length(dim);
1567 for (int i=0; i<dim; i++)
1569 // SCRUTE(splitPath[i]);
1570 context_name[i].id = CORBA::string_dup(splitPath[i].c_str());
1571 if (!endWithDelim && (i == dim-1)) // here, the last string is an object
1573 context_name[i].kind = CORBA::string_dup("object");
1574 // MESSAGE("--- " <<splitPath[i] <<".object");
1578 context_name[i].kind = CORBA::string_dup("dir");
1579 // MESSAGE("--- " <<splitPath[i] <<".dir");
1585 // ============================================================================
1586 /*! \brief search a name in current directory.
1588 * Search a name in the current directory. after call, the current directory
1589 * is changed to the directory containing the last occurence of name found.
1590 * If no occurence found (see return value), current directory remains
1591 * unchanged. The call is recursive.
1593 * \param name the name to search.
1594 * \param occurence_number number of occurence already found (incremented)
1596 // ============================================================================
1598 void SALOME_NamingService::_Find(const char* name,
1599 CORBA::Long& occurence_number)
1601 MESSAGE("BEGIN OF _Find "<< occurence_number << " " << name);
1603 CosNaming::BindingList_var binding_list;
1604 CosNaming::BindingIterator_var binding_iterator;
1605 CosNaming::Binding_var binding;
1607 unsigned long nb = 0 ; // --- only for the use of the BindingIterator,
1608 // to access the bindings
1610 CosNaming::NamingContext_var ref_context = _current_context;
1611 CosNaming::NamingContext_var found_context = _current_context;
1613 _current_context->list(nb, binding_list, binding_iterator) ;
1615 if (! CORBA::is_nil(binding_iterator))
1617 while (binding_iterator->next_one(binding))
1619 CosNaming::Name bindingName = binding->binding_name;
1621 if (binding->binding_type == CosNaming::ncontext)
1623 // --- We work on a directory,
1624 // the search should be done in this directory
1626 Change_Directory(bindingName[0].id);
1627 _Find(name, occurence_number);
1629 // --- We'll go back to the initial context
1631 _current_context = ref_context ;
1634 else if (binding->binding_type == CosNaming::nobject)
1636 // --- We work on an object...
1638 if (!strcmp( bindingName[0].id, name))
1640 //MESSAGE("One occurence was found");
1643 // --- We keep in memory the directory where
1644 // one occurence was found
1646 found_context = _current_context ;
1651 binding_iterator->destroy();
1653 // --- We go to the last directory where an occurence was found
1655 _current_context = found_context;
1657 SCRUTE(occurence_number);
1660 // ============================================================================
1661 /*! \brief find the current directory path.
1663 * Parse the naming service tree to find the current context and give the
1664 * associated directory path (relative to root context).
1666 * \param lengthResult
1667 * \param contextToFind
1670 // ============================================================================
1673 SALOME_NamingService::
1674 _current_directory(std::vector<std::string>& splitPath,
1676 CosNaming::NamingContext_var contextToFind,
1679 MESSAGE("BEGIN OF _current_Directory");
1681 CosNaming::BindingList_var binding_list;
1682 CosNaming::BindingIterator_var binding_iterator;
1683 CosNaming::Binding_var binding;
1685 unsigned long nb = 0 ; // --- only for the BindingIterator use,
1686 // to access the bindings
1688 CosNaming::NamingContext_var ref_context = _current_context;
1689 CosNaming::NamingContext_var temp_context = _current_context;
1691 _current_context->list(nb, binding_list, binding_iterator);
1693 if ( !binding_iterator->_is_nil() )
1695 while ((binding_iterator->next_one(binding)) && notFound)
1697 CosNaming::Name bindingName = binding->binding_name;
1699 if (binding->binding_type == CosNaming::ncontext)
1701 // --- directory, search in it
1703 const char* bindingNameid=bindingName[0].id;
1704 splitPath.push_back(bindingNameid);
1707 CORBA::Object_var obj = _current_context->resolve(bindingName);
1708 temp_context = CosNaming::NamingContext::_narrow(obj);
1710 if (temp_context->_is_equivalent(contextToFind))
1712 MESSAGE("The context is found, we stop the search");
1719 SCRUTE(bindingName[0].id);
1720 Change_Directory(bindingName[0].id);
1721 _current_directory(splitPath,
1728 // --- go back to the initial context
1730 _current_context = ref_context;
1732 MESSAGE("Just before the delete of "
1733 << splitPath[lengthResult-1]);
1734 splitPath.pop_back();
1741 binding_iterator->destroy();
1744 // --- return to the last directory where an occurence was found
1746 _current_context = ref_context ;
1750 // ============================================================================
1751 /*! \brief list recursively all objects in the given directory and subdirs.
1753 * get a list of all the objects in the current directory, with recursion
1754 * on the subdirectories. Only the objects are listed, not the directories.
1755 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1756 * _current_context must refer to absCurDirectory.
1758 * \param myList The list that will be filled.
1759 * \param relativeSubDir The directory relative to absCurDirectory in which
1760 * the objects are found.
1761 * \param absCurDirectory The current directory, absolute path
1763 // ============================================================================
1765 void SALOME_NamingService::_list_directory_recurs(std::vector<std::string>& myList,
1766 std::string relativeSubDir,
1767 std::string absCurDirectory)
1769 CosNaming::BindingList_var binding_list;
1770 CosNaming::BindingIterator_var binding_iterator;
1771 CosNaming::Binding_var binding ;
1773 unsigned long nb = 0 ; // --- only for thethe use of BindingIterator
1774 // to access the bindings
1778 CosNaming::NamingContext_var ref_context = _current_context;
1780 if (! relativeSubDir.empty())
1782 Change_Directory(relativeSubDir.c_str());
1783 absDir = absCurDirectory + "/" + relativeSubDir;
1787 absDir = absCurDirectory;
1790 _current_context->list(nb, binding_list, binding_iterator) ;
1792 if (! CORBA::is_nil(binding_iterator))
1794 while (binding_iterator->next_one(binding))
1796 CosNaming::Name bindingName = binding->binding_name;
1798 if (binding->binding_type == CosNaming::ncontext)
1800 std::string relativeSdir(bindingName[0].id);
1801 _list_directory_recurs(myList, relativeSdir, absDir);
1804 else if (binding->binding_type == CosNaming::nobject)
1806 std::string objName(bindingName[0].id);
1807 std::string elt = absDir + "/" + objName;
1809 myList.push_back(elt);
1813 binding_iterator->destroy();
1815 if (! relativeSubDir.empty())
1817 _current_context = ref_context;
1821 // ============================================================================
1822 /*! \brief return a stringified reference of root context
1824 * \return a stringified reference of root context
1826 // ============================================================================
1828 char * SALOME_NamingService::getIORaddr()
1830 return _orb->object_to_string(_root_context);
1833 /*! \brief get the orb used by the naming service
1837 CORBA::ORB_ptr SALOME_NamingService::orb()