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 MachineParameters struct.
592 * Build a container name with a MachineParameters struct. In case of multi
593 * processor machine, container name is suffixed with _nbproc. nproc equals
594 * (number of nodes)*(number of processor per nodes).
595 * \param params struct from which we get container name (may be
596 * empty), number of nodes and number of processor
598 * \return a container name without the path.
599 * \sa BuildContainerNameForNS(const Engines::MachineParameters& params,
600 * const char *hostname)
602 // ============================================================================
605 SALOME_NamingService::ContainerName(const Engines::MachineParameters& params)
611 else if ( (params.nb_node <= 0) && (params.nb_proc_per_node <= 0) )
613 else if ( params.nb_node == 0 )
614 nbproc = params.nb_proc_per_node;
615 else if ( params.nb_proc_per_node == 0 )
616 nbproc = params.nb_node;
618 nbproc = params.nb_node * params.nb_proc_per_node;
620 std::string ret = ContainerName(params.container_name);
624 char *suffix = new char[8];
625 sprintf(suffix, "_%d", nbproc);
633 SALOME_NamingService::ContainerName(const Engines::ContainerParameters& params)
639 else if ( params.nb_proc <= 0 )
642 nbproc = params.nb_proc;
644 std::string ret = ContainerName(params.container_name);
648 char *suffix = new char[8];
649 sprintf(suffix, "_%d", nbproc);
656 // ============================================================================
657 /*! \brief build a string representing a container in Naming Service.
659 * Build a string representing the absolute pathname of a container in
660 * SALOME_NamingService. This form gives a suffixed containerName in case of
661 * multi processor machine.
662 * \param containerName name of the container in which the component is
664 * \param hostname name of the host of the container, without domain names.
665 * \return the path under the form /Containers/hostname/containerName
666 * \sa ContainerName(const Engines::MachineParameters& params)
668 // ============================================================================
670 std::string SALOME_NamingService::BuildContainerNameForNS(const char *containerName,
671 const char *hostname)
673 std::string ret = "/Containers/";
676 ret += ContainerName(containerName);
681 // ============================================================================
682 /*! \brief build a string representing a container in Naming Service.
684 * Build a string representing the absolute pathname of a container in
685 * SALOME_NamingService.
686 * \param params used as it is, or replaced by FactoryServer if empty.
687 * \param hostname name of the host of the container, without domain names.
688 * \return the path under the form /Containers/hostname/containerName
689 * \sa ContainerName(const char *containerName)
691 // ============================================================================
694 SALOME_NamingService::
695 BuildContainerNameForNS(const Engines::MachineParameters& params,
696 const char *hostname)
698 std::string ret = "/Containers/";
701 ret += ContainerName(params);
707 SALOME_NamingService::
708 BuildContainerNameForNS(const Engines::ContainerParameters& params,
709 const char *hostname)
711 std::string ret = "/Containers/";
714 ret += ContainerName(params);
719 // ============================================================================
720 /*! \brief search a name in current directory.
722 * Search a name in the current directory. after call, the current directory
723 * is changed to the directory containing the last occurence of name found.
724 * If no occurence found (see return value), current directory remains
727 * \param name the name to search.
728 * \return number of occurences found.
729 * \sa Change_Directory(const char* Path)
731 // ============================================================================
733 int SALOME_NamingService::Find(const char* name)
734 throw(ServiceUnreachable)
736 MESSAGE("BEGIN OF Find " << name);
738 Utils_Locker lock (&_myMutex);
740 CORBA::Long occurence_number = 0 ;
744 _Find(name, occurence_number);
747 catch (CORBA::SystemException&)
749 INFOS("!!!Find() : CORBA::SystemException : unable to contact"
750 << " the naming service");
751 throw ServiceUnreachable();
754 return occurence_number;
757 // ============================================================================
758 /*! \brief Creates a directory (context_name)
760 * Creates a directory (context_name) relative to the current directory
761 * (current context) or relative to the root directory (root context), if
762 * the path given begins with a '/'.
763 * If the NamingService is out, the exception ServiceUnreachable is thrown.
764 * \param Path A relative or absolute pathname to store the object reference.
765 * If the pathname begins with a '/', pathname is taken
766 * as an absolute pathname. Else, pathname is taken as a relative
767 * path, to current context. Prefer absolute pathname, relative
768 * pathname are not safe, when SALOME_NamingService object is
769 * shared or use in multithreaded context.
770 * \return true if successfull
771 * (creation not strictly garanteed if true, because Register may
772 * catch some specific unlikely exception without throw anything
773 * --- to be corrected ---)
774 * \sa RegisterCORBA::Object_ptr ObjRef, const char* Path)
776 // ============================================================================
778 bool SALOME_NamingService::Create_Directory(const char* Path)
779 throw(ServiceUnreachable)
781 MESSAGE("BEGIN OF Create_Directory");
783 Utils_Locker lock (&_myMutex);
785 std::string path(Path);
787 // --- if path empty, nothing to create, no context change
792 // --- if path ='/', nothing to create, only change to root_context
796 MESSAGE("Create Directory '/', just change to root_context");
797 _current_context = _root_context;
801 // --- path must end with '/'
803 if (path[path.length()-1] != '/') path += '/';
805 Register(CORBA::Object::_nil(), path.c_str());
809 // ============================================================================
810 /*! \brief change current directory to the given path
812 * change the current directory to the given path in parameter.
813 * Warning: avoid use when the SALOME_NamingService instance is shared by
814 * several threads (current context may be modified by another thread).
815 * If the path is empty, nothing done return OK.
816 * If Path ="/", the current directory changes to the root directory.
817 * If the NamingService is out, the exception ServiceUnreachable is thrown.
818 * \param Path the new current directory
819 * \return true if the change succeeded
821 // ============================================================================
823 bool SALOME_NamingService::Change_Directory(const char* Path)
824 throw(ServiceUnreachable)
826 // MESSAGE("BEGIN OF Change_Directory " << Path);
827 Utils_Locker lock (&_myMutex);
829 std::string path(Path);
831 // --- if path empty, nothing to do
836 // --- if path ='/', nothing to resolve, only change to root_context
840 // MESSAGE("Change_Directory is called to go to the root_context");
841 _current_context = _root_context;
845 CosNaming::NamingContext_var current_context = _current_context;
846 bool changeOK = false;
848 // --- replace _current_context with _root_context if Path begins whith '/'
851 current_context = _root_context;
853 // --- need to resolve directory path
855 ASSERT(!CORBA::is_nil(current_context));
857 if (path[path.length()-1] != '/') path += '/';
859 CosNaming::Name context_name;
860 std::vector<std::string> splitPath;
861 _createContextNameDir(path.c_str(),
866 // --- Context creation
870 CORBA::Object_var obj = current_context->resolve(context_name);
871 current_context = CosNaming::NamingContext::_narrow(obj);
872 ASSERT(!CORBA::is_nil(current_context));
873 _current_context = current_context;
877 catch (CosNaming::NamingContext::NotFound& ex)
879 CosNaming::Name n = ex.rest_of_name;
881 if (ex.why == CosNaming::NamingContext::missing_node)
882 MESSAGE( "Change_Directory() : " << (char *) n[0].id
883 << " (" << (char *) n[0].kind << ") not found");
884 if (ex.why == CosNaming::NamingContext::not_context)
885 INFOS("Change_Directory() : " << (char *) n[0].id
886 << " (" << (char *) n[0].kind
887 << ") is not a context" );
888 if (ex.why == CosNaming::NamingContext::not_object)
889 INFOS( "Change_Directory() : " << (char *) n[0].id
890 << " (" << (char *) n[0].kind
891 << ") is not an object" );
894 catch (CosNaming::NamingContext::CannotProceed&)
896 INFOS("Change_Directory(): CosNaming::NamingContext::CannotProceed");
899 catch (CosNaming::NamingContext::InvalidName&)
901 INFOS("Change_Directory(): CosNaming::NamingContext::InvalidName");
904 catch (CORBA::SystemException&)
906 INFOS("Change_Directory():CORBA::SystemException : unable to contact"
907 << "the naming service");
908 throw ServiceUnreachable();
914 // ============================================================================
915 /*! \brief get the current directory path
917 * Get the current directory path.
918 * If the NamingService is out, the exception ServiceUnreachable is thrown.
919 * \return the path of the current_context
920 * \sa _current_directory
922 // ============================================================================
924 char* SALOME_NamingService::Current_Directory()
925 throw(ServiceUnreachable)
927 MESSAGE("BEGIN OF Current_Directory");
929 Utils_Locker lock (&_myMutex);
931 CosNaming::NamingContext_var ref_context = _current_context;
933 std::vector<std::string> splitPath;
936 bool notFound = true ;
938 // --- start search from root context
940 _current_context = _root_context ;
944 _current_directory(splitPath, lengthPath, ref_context, notFound );
947 catch (CORBA::SystemException&)
949 INFOS("Current_Directory(): CORBA::SystemException: unable to contact"
950 << " the naming service" )
951 throw ServiceUnreachable();
955 lengthPath = splitPath.size();
956 for (int k = 0 ; k < lengthPath ;k++)
959 path += splitPath[k];
963 _current_context = ref_context ;
965 return strdup(path.c_str());
968 // ============================================================================
969 /*! \brief list recursively all objects in the current context
971 * List and print via trace all directories and objects in the current
972 * context. Trace must be activated: compile option _DEBUG_
973 * If the NamingService is out, the exception ServiceUnreachable is thrown
975 // ============================================================================
977 void SALOME_NamingService::list()
978 throw(ServiceUnreachable)
980 MESSAGE("Begin of list");
982 Utils_Locker lock (&_myMutex)
985 CosNaming::BindingList_var binding_list;
986 CosNaming::BindingIterator_var binding_iterator;
987 CosNaming::Binding_var binding ;
989 unsigned long nb = 0 ; // --- only for the BindingIterator use,
990 // to access the bindings
992 CosNaming::NamingContext_var ref_context = _current_context;
994 _current_context->list(nb, binding_list, binding_iterator) ;
996 if (! CORBA::is_nil(binding_iterator))
998 while (binding_iterator->next_one(binding))
1000 CosNaming::Name bindingName = binding->binding_name;
1002 if (binding->binding_type == CosNaming::ncontext)
1004 MESSAGE( "Context : " << bindingName[0].id );
1008 Change_Directory(bindingName[0].id);
1011 catch (ServiceUnreachable&)
1013 INFOS( "list(): ServiceUnreachable" )
1014 throw ServiceUnreachable();
1018 _current_context = ref_context ;
1021 else if (binding->binding_type == CosNaming::nobject)
1023 MESSAGE( "Object : " << bindingName[0].id );
1027 binding_iterator->destroy();
1031 // ============================================================================
1032 /*! \brief list all the objects in the current directory.
1034 * get a list of all the objects in the current directory, without recursion
1035 * on the subdirectories. Only the objects are listed, not the directories.
1036 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1037 * \return list of strings with objects found.
1038 * \sa vector<string> list_directory_recurs()
1040 // ============================================================================
1042 std::vector<std::string> SALOME_NamingService::list_directory()
1043 throw(ServiceUnreachable)
1045 // MESSAGE("list_directory");
1046 std::vector<std::string> dirList ;
1049 CosNaming::BindingList_var binding_list;
1050 CosNaming::BindingIterator_var binding_iterator;
1051 CosNaming::Binding_var binding ;
1053 unsigned long nb = 0 ; // --- only for the BindingIterator use,
1054 // to access the bindings
1056 CosNaming::NamingContext_var ref_context = _current_context;
1058 _current_context->list(nb, binding_list, binding_iterator);
1060 if (binding_iterator->_is_nil())
1063 while (binding_iterator->next_one(binding))
1065 CosNaming::Name bindingName = binding->binding_name;
1067 if (binding->binding_type == CosNaming::nobject)
1069 // remove memory leak
1070 // dirList.push_back(CORBA::string_dup(bindingName[0].id));
1071 dirList.push_back(std::string(bindingName[0].id));
1075 // for (unsigned int ind = 0; ind < dirList.size(); ind++)
1076 // MESSAGE("list_directory : Object : " << dirList[ind]);
1078 binding_iterator->destroy();
1084 // ============================================================================
1085 /*! \brief list all the subdirectories in the current directory.
1087 * get a list of all the subdirectories in the current directory,
1088 * without recursion on the subdirectories.
1089 * Only the subdirectories are listed, not the objects.
1090 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1091 * \return list of strings with directories found.
1092 * \sa vector<string> list_directory()
1094 // ============================================================================
1096 std::vector<std::string> SALOME_NamingService::list_subdirs()
1097 throw(ServiceUnreachable)
1099 MESSAGE("list_subdirs");
1100 std::vector<std::string> dirList ;
1103 CosNaming::BindingList_var binding_list;
1104 CosNaming::BindingIterator_var binding_iterator;
1105 CosNaming::Binding_var binding ;
1107 unsigned long nb = 0 ; // --- only for the BindingIterator use,
1108 // to access the bindings
1110 CosNaming::NamingContext_var ref_context = _current_context;
1112 _current_context->list(nb, binding_list, binding_iterator) ;
1114 if (binding_iterator->_is_nil())
1117 while (binding_iterator->next_one(binding))
1119 CosNaming::Name bindingName = binding->binding_name;
1121 if (binding->binding_type == CosNaming::ncontext)
1123 dirList.push_back(bindingName[0].id.in());
1127 for (unsigned int ind = 0; ind < dirList.size(); ind++)
1128 MESSAGE("list_directory : Object : " << dirList[ind]);
1130 binding_iterator->destroy();
1135 // ============================================================================
1136 /*! \brief list all the objects in the current directory and subdirectories.
1138 * get a list of all the objects in the current directory, with recursion
1139 * on the subdirectories. Only the objects are listed, not the directories.
1140 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1141 * \return list of strings with objects found.
1142 * \sa vector<string> list_directory()
1144 // ============================================================================
1146 std::vector<std::string> SALOME_NamingService::list_directory_recurs()
1147 throw(ServiceUnreachable)
1149 MESSAGE("list_directory_recurs");
1151 Utils_Locker lock (&_myMutex);
1153 std::vector<std::string> dirList ;
1155 char* currentDir = Current_Directory();
1157 _list_directory_recurs(dirList, "", currentDir);
1164 // ============================================================================
1165 /*! \brief destroy an entry in naming service.
1167 * Destroy an association Path - Object Reference.
1168 * If the NamingService is out, the exception ServiceUnreachable is thrown
1169 * \param Path object path
1171 // ============================================================================
1173 void SALOME_NamingService::Destroy_Name(const char* Path)
1174 throw(ServiceUnreachable)
1176 MESSAGE("BEGIN OF Destroy_Name " << Path);
1178 Utils_Locker lock (&_myMutex);
1180 std::string path(Path);
1182 // --- if path empty, nothing to do
1187 // --- if path = '/' not applicable, nothing to do
1192 // --- if path begins with '/', set current directory to root context
1195 _current_context = _root_context;
1197 // --- context of the directory containing the object
1199 CosNaming::Name context_name;
1200 std::vector<std::string> splitPath;
1201 int dimension_resultat = _createContextNameDir(path.c_str(),
1208 if (dimension_resultat > 0)
1210 // --- path contains a directory, not only an object name
1211 // switch to the new directory (or return if directory not found)
1215 CORBA::Object_var obj = _current_context->resolve(context_name);
1216 _current_context = CosNaming::NamingContext::_narrow(obj);
1220 catch (CosNaming::NamingContext::NotFound &ex)
1222 // --- failed to resolve
1225 CosNaming::Name n = ex.rest_of_name;
1227 if (ex.why == CosNaming::NamingContext::missing_node)
1228 INFOS( "Destroy_Name(): " << (char *) n[0].id
1229 << " (" << (char *) n[0].kind << ") not found" );
1230 if (ex.why == CosNaming::NamingContext::not_context)
1231 INFOS( "Destroy_Name() : " << (char *) n[0].id
1232 << " (" << (char *) n[0].kind
1233 << ") is not a context" );
1234 if (ex.why == CosNaming::NamingContext::not_object)
1235 INFOS( "Destroy_Name() : " << (char *) n[0].id
1236 << " (" << (char *) n[0].kind
1237 << ") is not an object" );
1240 catch (CosNaming::NamingContext::InvalidName &)
1242 INFOS("Destroy_Name: CosNaming::NamingContext::InvalidName");
1245 catch (CosNaming::NamingContext::CannotProceed &)
1247 INFOS("Destroy_Name: CosNaming::NamingContext::CannotProceed");
1250 catch (CORBA::SystemException&)
1252 INFOS("Destroy_Name : CORBA::SystemException: "
1253 << "unable to contact the naming service");
1254 throw ServiceUnreachable();
1257 if (! exist) return;
1260 ASSERT(!CORBA::is_nil(_current_context));
1262 // --- The current directory is now the directory where the object should
1265 int sizePath = splitPath.size();
1266 if (sizePath > dimension_resultat)
1268 ASSERT(sizePath == dimension_resultat+1);
1269 context_name.length(1);
1273 // --- the last element is an object and not a directory
1275 context_name[0].id =
1276 CORBA::string_dup(splitPath[dimension_resultat].c_str());
1277 context_name[0].kind = CORBA::string_dup("object");
1278 SCRUTE(context_name[0].id);
1280 _current_context->unbind(context_name);
1281 MESSAGE("The object " << context_name[0].id << " has been deleted");
1284 catch (CosNaming::NamingContext::NotFound& ex)
1286 CosNaming::Name n = ex.rest_of_name;
1288 if (ex.why == CosNaming::NamingContext::missing_node)
1289 INFOS( "Destroy_Name() : " << (char *) n[0].id
1290 << " (" << (char *) n[0].kind << ") not found" );
1291 if (ex.why == CosNaming::NamingContext::not_context)
1292 INFOS( "Destroy_Name() : " << (char *) n[0].id
1293 << " (" << (char *) n[0].kind
1294 << ") is not a context" );
1295 if (ex.why == CosNaming::NamingContext::not_object)
1296 INFOS( "Destroy_Name() : " << (char *) n[0].id
1297 << " (" << (char *) n[0].kind
1298 << ") is not an object" );
1301 catch (CosNaming::NamingContext::CannotProceed&)
1303 INFOS( "Destroy_Name(): CosNaming::NamingContext::CannotProceed");
1306 catch (CosNaming::NamingContext::InvalidName&)
1308 INFOS( "Destroy_Name(): CosNaming::NamingContext::InvalidName");
1311 catch (CORBA::SystemException&)
1313 INFOS( "Destroy_Name(): CORBA::SystemException: unable to contact"
1314 << " the naming service");
1315 throw ServiceUnreachable();
1320 // ============================================================================
1321 /*! \brief Destroy an empty directory
1323 * Destroy an empty directory in Naming Service.
1324 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1325 * \param Path directory path
1327 // ============================================================================
1329 void SALOME_NamingService::Destroy_Directory(const char* Path)
1330 throw(ServiceUnreachable)
1332 MESSAGE("BEGIN OF Destroy_Directory " << Path);
1334 Utils_Locker lock (&_myMutex);
1336 std::string path(Path);
1338 // --- if path empty, nothing to do
1343 // --- if path begins with '/', set current directory to root context
1346 _current_context = _root_context;
1348 CosNaming::NamingContext_var ref_context = _current_context;
1350 // --- path must ends with '/' for a directory
1352 if (path[path.size() -1] != '/')
1355 // --- context of the directory
1357 CosNaming::Name context_name;
1358 std::vector<std::string> splitPath;
1359 int dimension_resultat = _createContextNameDir(path.c_str(),
1365 if (dimension_resultat > 0)
1367 // --- path contains a directory, not only an object name
1368 // switch to the new directory (or return if directory not found)
1372 CORBA::Object_var obj = _current_context->resolve(context_name);
1373 _current_context = CosNaming::NamingContext::_narrow(obj);
1377 catch (CosNaming::NamingContext::NotFound &ex)
1379 // --- failed to resolve
1382 CosNaming::Name n = ex.rest_of_name;
1384 if (ex.why == CosNaming::NamingContext::missing_node)
1385 INFOS( "Destroy_Directory(): " << (char *) n[0].id
1386 << " (" << (char *) n[0].kind << ") not found" );
1387 if (ex.why == CosNaming::NamingContext::not_context)
1388 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1389 << " (" << (char *) n[0].kind
1390 << ") is not a context" );
1391 if (ex.why == CosNaming::NamingContext::not_object)
1392 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1393 << " (" << (char *) n[0].kind
1394 << ") is not an object" );
1397 catch (CosNaming::NamingContext::InvalidName &)
1399 INFOS("Destroy_Directory: CosNaming::NamingContext::InvalidName");
1402 catch (CosNaming::NamingContext::CannotProceed &)
1404 INFOS("Destroy_Directory: CosNaming::NamingContext::CannotProceed");
1407 catch (CORBA::SystemException&)
1409 INFOS("Destroy_Directory : CORBA::SystemException: "
1410 << "unable to contact the naming service");
1411 throw ServiceUnreachable();
1414 if (! exist) return;
1417 ASSERT(!CORBA::is_nil(_current_context));
1419 // --- Context Destruction
1421 bool isContextDestroyed = false;
1424 _current_context->destroy();
1425 MESSAGE( "The context " << path << " has been deleted" );
1426 isContextDestroyed = true;
1429 catch (CosNaming::NamingContext::NotEmpty&)
1431 INFOS( "Destroy_Directory(): CosNaming::NamingContext::NoEmpty "
1432 << path << " is not empty" );
1435 catch (CORBA::SystemException&)
1437 INFOS( "Destroy_Directory():CORBA::SystemException : "
1438 << "unable to contact the naming service");
1439 throw ServiceUnreachable();
1442 // --- go to the reference directory
1444 _current_context = ref_context ;
1446 ASSERT(!CORBA::is_nil(_current_context));
1448 if (isContextDestroyed)
1452 _current_context->unbind(context_name);
1453 MESSAGE( "The bind to the context "
1454 << context_name[0].id
1455 << " has been deleted" );
1458 catch (CosNaming::NamingContext::NotFound& ex)
1460 CosNaming::Name n = ex.rest_of_name;
1462 if (ex.why == CosNaming::NamingContext::missing_node)
1463 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1464 << " (" << (char *) n[0].kind << ") not found" );
1465 if (ex.why == CosNaming::NamingContext::not_context)
1466 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1467 << " (" << (char *) n[0].kind
1468 << ") is not a context" );
1469 if (ex.why == CosNaming::NamingContext::not_object)
1470 INFOS( "Destroy_Directory() : " << (char *) n[0].id
1471 << " (" << (char *) n[0].kind
1472 << ") is not an object" );
1475 catch (CosNaming::NamingContext::CannotProceed&)
1477 INFOS("Destroy_Directory: CosNaming::NamingContext::CannotProceed");
1480 catch (CosNaming::NamingContext::InvalidName&)
1482 INFOS("Destroy_Directory: CosNaming::NamingContext::InvalidName");
1485 catch (CORBA::SystemException&)
1487 INFOS("Destroy_Directory:CORBA::SystemException : unable to contact"
1488 << " the naming service");
1489 throw ServiceUnreachable();
1494 // ============================================================================
1495 /*! \brief Destroy a directory with its contents.
1497 * Destroy the objects associations in a directory, and the directory itself,
1498 * if there is no subdirectories.
1499 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1500 * \param Path the directory path.
1502 // ============================================================================
1504 void SALOME_NamingService::Destroy_FullDirectory(const char* Path)
1505 throw(ServiceUnreachable)
1507 MESSAGE("begin of Destroy_FullDirectory " << Path);
1508 if( Change_Directory(Path) )
1510 std::vector<std::string> contList = list_directory();
1512 for (unsigned int ind = 0; ind < contList.size(); ind++)
1513 Destroy_Name(contList[ind].c_str());
1515 Destroy_Directory(Path);
1519 // ============================================================================
1520 /*! \brief initialize root context (root directory)
1522 * the root context initialisation must be done when the SALOME_NamingService
1523 * instance is created and before any othe call. See constructors.
1525 // ============================================================================
1527 void SALOME_NamingService::_initialize_root_context()
1529 //MESSAGE("Get the root context");
1533 CORBA::Object_var obj = _orb->resolve_initial_references("NameService");
1534 _root_context = CosNaming::NamingContext::_narrow(obj);
1535 _current_context = _root_context ;
1536 ASSERT(!CORBA::is_nil(_root_context));
1539 catch (CORBA::SystemException&)
1541 INFOS("CORBA::SystemException: unable to contact the naming service");
1542 throw ServiceUnreachable();
1547 INFOS("Unknown Exception: unable to contact the naming service");
1548 throw ServiceUnreachable();
1552 // ============================================================================
1553 /*! \brief transform a string path in CosNaming structure.
1555 * Transform a path given as a string in a CosNaming structure.
1556 * \param path a relative or absolute path, with or without an object.
1557 * An absolute path begins with '/'.
1558 * A path without an object ends with '/'.
1559 * \param context_name CosNaming structure to put the path.
1560 * \param splitPath a vector of string with subdirectories and final
1562 * \param onlyDir if true, final object (if any) is ommited
1564 * if false, final object (if any) is included in
1566 * \return dimension of context_name
1568 // ============================================================================
1571 SALOME_NamingService::_createContextNameDir(std::string path,
1572 CosNaming::Name& context_name,
1573 std::vector<std::string>& splitPath,
1579 std::string::size_type begIdx, endIdx;
1580 const std::string delims("/");
1581 splitPath.resize(0);
1582 bool endWithDelim = false;
1584 begIdx = path.find_first_not_of(delims);
1585 while (begIdx != std::string::npos)
1587 endIdx = path.find_first_of(delims, begIdx);
1588 if (endIdx == path.length()-1)
1589 endWithDelim = true;
1590 if (endIdx == std::string::npos)
1591 endIdx = path.length();
1592 int lsub = endIdx - begIdx;
1594 splitPath.push_back(path.substr(begIdx, lsub));
1595 begIdx = path.find_first_not_of(delims, endIdx);
1599 if (onlyDir) // only directory part
1601 dim = splitPath.size()-1; // omit final object
1602 if (endWithDelim) // unless the path ends with a delimiter
1604 endWithDelim = true;
1607 dim = splitPath.size(); // directories and final object
1609 context_name.length(dim);
1610 for (int i=0; i<dim; i++)
1612 // SCRUTE(splitPath[i]);
1613 context_name[i].id = CORBA::string_dup(splitPath[i].c_str());
1614 if (!endWithDelim && (i == dim-1)) // here, the last string is an object
1616 context_name[i].kind = CORBA::string_dup("object");
1617 // MESSAGE("--- " <<splitPath[i] <<".object");
1621 context_name[i].kind = CORBA::string_dup("dir");
1622 // MESSAGE("--- " <<splitPath[i] <<".dir");
1628 // ============================================================================
1629 /*! \brief search a name in current directory.
1631 * Search a name in the current directory. after call, the current directory
1632 * is changed to the directory containing the last occurence of name found.
1633 * If no occurence found (see return value), current directory remains
1634 * unchanged. The call is recursive.
1636 * \param name the name to search.
1637 * \param occurence_number number of occurence already found (incremented)
1639 // ============================================================================
1641 void SALOME_NamingService::_Find(const char* name,
1642 CORBA::Long& occurence_number)
1644 MESSAGE("BEGIN OF _Find "<< occurence_number << " " << name);
1646 CosNaming::BindingList_var binding_list;
1647 CosNaming::BindingIterator_var binding_iterator;
1648 CosNaming::Binding_var binding;
1650 unsigned long nb = 0 ; // --- only for the use of the BindingIterator,
1651 // to access the bindings
1653 CosNaming::NamingContext_var ref_context = _current_context;
1654 CosNaming::NamingContext_var found_context = _current_context;
1656 _current_context->list(nb, binding_list, binding_iterator) ;
1658 if (! CORBA::is_nil(binding_iterator))
1660 while (binding_iterator->next_one(binding))
1662 CosNaming::Name bindingName = binding->binding_name;
1664 if (binding->binding_type == CosNaming::ncontext)
1666 // --- We work on a directory,
1667 // the search should be done in this directory
1669 Change_Directory(bindingName[0].id);
1670 _Find(name, occurence_number);
1672 // --- We'll go back to the initial context
1674 _current_context = ref_context ;
1677 else if (binding->binding_type == CosNaming::nobject)
1679 // --- We work on an object...
1681 if (!strcmp( bindingName[0].id, name))
1683 //MESSAGE("One occurence was found");
1686 // --- We keep in memory the directory where
1687 // one occurence was found
1689 found_context = _current_context ;
1694 binding_iterator->destroy();
1696 // --- We go to the last directory where an occurence was found
1698 _current_context = found_context;
1700 SCRUTE(occurence_number);
1703 // ============================================================================
1704 /*! \brief find the current directory path.
1706 * Parse the naming service tree to find the current context and give the
1707 * associated directory path (relative to root context).
1709 * \param lengthResult
1710 * \param contextToFind
1713 // ============================================================================
1716 SALOME_NamingService::
1717 _current_directory(std::vector<std::string>& splitPath,
1719 CosNaming::NamingContext_var contextToFind,
1722 MESSAGE("BEGIN OF _current_Directory");
1724 CosNaming::BindingList_var binding_list;
1725 CosNaming::BindingIterator_var binding_iterator;
1726 CosNaming::Binding_var binding;
1728 unsigned long nb = 0 ; // --- only for the BindingIterator use,
1729 // to access the bindings
1731 CosNaming::NamingContext_var ref_context = _current_context;
1732 CosNaming::NamingContext_var temp_context = _current_context;
1734 _current_context->list(nb, binding_list, binding_iterator);
1736 if ( !binding_iterator->_is_nil() )
1738 while ((binding_iterator->next_one(binding)) && notFound)
1740 CosNaming::Name bindingName = binding->binding_name;
1742 if (binding->binding_type == CosNaming::ncontext)
1744 // --- directory, search in it
1746 const char* bindingNameid=bindingName[0].id;
1747 splitPath.push_back(bindingNameid);
1750 CORBA::Object_var obj = _current_context->resolve(bindingName);
1751 temp_context = CosNaming::NamingContext::_narrow(obj);
1753 if (temp_context->_is_equivalent(contextToFind))
1755 MESSAGE("The context is found, we stop the search");
1762 SCRUTE(bindingName[0].id);
1763 Change_Directory(bindingName[0].id);
1764 _current_directory(splitPath,
1771 // --- go back to the initial context
1773 _current_context = ref_context;
1775 MESSAGE("Just before the delete of "
1776 << splitPath[lengthResult-1]);
1777 splitPath.pop_back();
1784 binding_iterator->destroy();
1787 // --- return to the last directory where an occurence was found
1789 _current_context = ref_context ;
1793 // ============================================================================
1794 /*! \brief list recursively all objects in the given directory and subdirs.
1796 * get a list of all the objects in the current directory, with recursion
1797 * on the subdirectories. Only the objects are listed, not the directories.
1798 * If the NamingService is out, the exception ServiceUnreachable is thrown.
1799 * _current_context must refer to absCurDirectory.
1801 * \param myList The list that will be filled.
1802 * \param relativeSubDir The directory relative to absCurDirectory in which
1803 * the objects are found.
1804 * \param absCurDirectory The current directory, absolute path
1806 // ============================================================================
1808 void SALOME_NamingService::_list_directory_recurs(std::vector<std::string>& myList,
1809 std::string relativeSubDir,
1810 std::string absCurDirectory)
1812 CosNaming::BindingList_var binding_list;
1813 CosNaming::BindingIterator_var binding_iterator;
1814 CosNaming::Binding_var binding ;
1816 unsigned long nb = 0 ; // --- only for thethe use of BindingIterator
1817 // to access the bindings
1821 CosNaming::NamingContext_var ref_context = _current_context;
1823 if (! relativeSubDir.empty())
1825 Change_Directory(relativeSubDir.c_str());
1826 absDir = absCurDirectory + "/" + relativeSubDir;
1830 absDir = absCurDirectory;
1833 _current_context->list(nb, binding_list, binding_iterator) ;
1835 if (! CORBA::is_nil(binding_iterator))
1837 while (binding_iterator->next_one(binding))
1839 CosNaming::Name bindingName = binding->binding_name;
1841 if (binding->binding_type == CosNaming::ncontext)
1843 std::string relativeSdir(bindingName[0].id);
1844 _list_directory_recurs(myList, relativeSdir, absDir);
1847 else if (binding->binding_type == CosNaming::nobject)
1849 std::string objName(bindingName[0].id);
1850 std::string elt = absDir + "/" + objName;
1852 myList.push_back(elt);
1856 binding_iterator->destroy();
1858 if (! relativeSubDir.empty())
1860 _current_context = ref_context;
1864 // ============================================================================
1865 /*! \brief return a stringified reference of root context
1867 * \return a stringified reference of root context
1869 // ============================================================================
1871 char * SALOME_NamingService::getIORaddr()
1873 return _orb->object_to_string(_root_context);
1876 /*! \brief get the orb used by the naming service
1880 CORBA::ORB_ptr SALOME_NamingService::orb()