1 // Copyright (C) 2007-2023 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // File : SALOME_Session_i.cxx
23 // Author : Paul RASCLE, EDF
26 #include "utilities.h"
28 #include "Session_Session_i.hxx"
30 #include "SALOME_NamingService.hxx"
31 #include "SALOME_Event.h"
32 #include "SalomeApp_Engine_i.h"
33 #include "LightApp_Application.h"
34 #include "LightApp_SelectionMgr.h"
35 #include "SALOME_ListIO.hxx"
36 #include "SUIT_Session.h"
37 #include "SUIT_Desktop.h"
38 #include "SUIT_Study.h"
40 #include "Basics_Utils.hxx"
43 #include <QWaitCondition>
45 // Open CASCADE Includes
46 #include <OSD_SharedLibrary.hxx>
47 #include <OSD_Function.hxx>
55 SALOME_Session_i::SALOME_Session_i(int argc, char ** argv, CORBA::ORB_ptr orb, PortableServer::POA_ptr poa, QMutex* GUIMutex, QWaitCondition* GUILauncher):
56 _argc(argc),_argv(argv),_isGUI(false),_GUIMutex(GUIMutex),_GUILauncher(GUILauncher),
57 _orb(CORBA::ORB::_duplicate(orb)),_poa(PortableServer::POA::_duplicate(poa)),_isShuttingDown(false)
59 _NS.reset(new SALOME_NamingService(_orb));
62 SALOME_Session_i::SALOME_Session_i(int argc, char ** argv, CORBA::ORB_ptr orb, PortableServer::POA_ptr poa, QMutex* GUIMutex, QWaitCondition* GUILauncher, SALOME_NamingService_Abstract *NS):
63 _argc(argc),_argv(argv),_isGUI(false),_GUIMutex(GUIMutex),_GUILauncher(GUILauncher),
64 _orb(CORBA::ORB::_duplicate(orb)),_poa(PortableServer::POA::_duplicate(poa)),_isShuttingDown(false)
70 returns Visu component
72 Engines::EngineComponent_ptr SALOME_Session_i::GetComponent(const char* theLibraryName)
74 using TGetImpl = Engines::EngineComponent_ptr (*)(CORBA::ORB_ptr, PortableServer::POA_ptr, SALOME_NamingService*,QMutex*);
75 OSD_SharedLibrary aSharedLibrary(const_cast<char*>(theLibraryName));
76 if (aSharedLibrary.DlOpen(OSD_RTLD_LAZY)) {
77 if (OSD_Function anOSDFun = aSharedLibrary.DlSymb("GetImpl"))
79 Engines::EngineComponent_ptr ret = ((TGetImpl) anOSDFun)(_orb,_poa,dynamic_cast<SALOME_NamingService*>(_NS.get()),_GUIMutex);
83 CORBA::Object_var obj = SalomeApp_Engine_i::EngineForComponent(theLibraryName, true);
84 if (!CORBA::is_nil(obj)){
85 Engines::EngineComponent_var anEngine = Engines::EngineComponent::_narrow(obj);
86 return anEngine._retn();
88 return Engines::EngineComponent::_nil();
94 SALOME_Session_i::~SALOME_Session_i()
96 //MESSAGE("destructor end");
100 tries to find the Corba Naming Service and to register the session,
101 gives naming service interface to _IAPPThread
103 void SALOME_Session_i::NSregister()
105 CORBA::Object_var obref=_this();
106 SALOME::Session_var pSession = SALOME::Session::_narrow(obref);
109 _NS->Register(pSession, "/Kernel/Session");
111 catch (ServiceUnreachable&)
113 INFOS("Caught exception: Naming Service Unreachable");
118 INFOS("Caught unknown exception from Naming Service");
120 //MESSAGE("Session registered in Naming Service");
124 Unregister session server from CORBA Naming Service
126 void SALOME_Session_i::NSunregister()
130 _NS->Destroy_Name("/Kernel/Session");
131 _NS->Destroy_Directory("/Kernel");
132 deleteContainersinNS();
134 catch (ServiceUnreachable&)
136 INFOS("Caught exception: Naming Service Unreachable");
140 INFOS("Caught unknown exception from Naming Service");
145 Launches the GUI if there is none.
146 The Corba method is oneway (corba client does'nt wait for GUI completion)
148 void SALOME_Session_i::GetInterface()
152 if ( !SUIT_Session::session() )
154 _GUILauncher->wakeAll();
155 MESSAGE("SALOME_Session_i::GetInterface() called, starting GUI...");
160 Kills the session if there are no active studies nore GUI
162 class CloseEvent : public SALOME_Event
165 virtual void Execute() {
166 if ( SUIT_Session::session() )
167 SUIT_Session::session()->closeSession( SUIT_Session::DONT_SAVE );
172 Stop session (close all GUI windows)
174 void SALOME_Session_i::StopSession()
178 if ( SUIT_Session::session() ) {
179 ProcessVoidEvent( new CloseEvent() );
184 void SALOME_Session_i::Shutdown()
187 bool isBeingShuttingDown = _isShuttingDown;
188 _isShuttingDown = true;
190 if ( !isBeingShuttingDown ) {
191 if ( SUIT_Session::session() ) {
192 ProcessVoidEvent( new CloseEvent() );
195 _GUILauncher->wakeAll();
201 Send a SALOME::StatSession structure (see idl) to the client
207 QtLock() { if ( qApp ) qApp->lock(); }
208 ~QtLock() { if ( qApp ) qApp->unlock(); }
212 SALOME::StatSession SALOME_Session_i::GetStatSession()
214 // update Session state
220 _isGUI = SUIT_Session::session();
221 if ( _isGUI && SUIT_Session::session()->activeApplication() )
222 activeStudy = SUIT_Session::session()->activeApplication()->getNbStudies();
226 SALOME::StatSession_var myStats = new SALOME::StatSession;
228 myStats->state = SALOME::running ;
229 else if (_isShuttingDown)
230 myStats->state = SALOME::shutdown ;
232 myStats->state = SALOME::asleep ;
233 myStats->activeGUI = _isGUI ;
237 return myStats._retn() ;
240 CORBA::Long SALOME_Session_i::getPID() {
249 char* SALOME_Session_i::getHostname()
251 std::string aHostName = Kernel_Utils::GetHostname();
252 return CORBA::string_dup( aHostName.data() );
255 bool SALOME_Session_i::restoreVisualState(CORBA::Long theSavePoint)
257 class TEvent: public SALOME_Event {
260 TEvent(int savePoint) { _savePoint = savePoint; }
261 virtual void Execute() {
262 SUIT_Study* study = SUIT_Session::session()->activeApplication()->activeStudy();
264 study->restoreState(_savePoint);
269 if(SUIT_Session::session() && SUIT_Session::session()->activeApplication() ) {
270 SUIT_Study* study = SUIT_Session::session()->activeApplication()->activeStudy();
271 if(!study) SUIT_Session::session()->activeApplication()->createEmptyStudy();
272 ProcessVoidEvent( new TEvent(theSavePoint) );
279 void SALOME_Session_i::emitMessage(const char* theMessage)
281 class TEvent: public SALOME_Event {
283 TEvent(const char * msg) {
286 virtual void Execute() {
287 SUIT_Session::session()->activeApplication()->desktop()->emitMessage(_msg);
292 if ( SUIT_Session::session() ) {
293 if ( SUIT_Session::session()->activeApplication() ) {
294 if ( SUIT_Session::session()->activeApplication()->desktop() ) {
295 ProcessVoidEvent( new TEvent(theMessage) );
298 MESSAGE("try to emit message '"<<theMessage<<"' but there is no desktop");
302 MESSAGE("try to emit message '"<<theMessage<<"' but there is no application");
306 MESSAGE("try to emit message '"<<theMessage<<"' but there is no session");
310 void SALOME_Session_i::emitMessageOneWay(const char* theMessage)
312 emitMessage(theMessage);
315 SALOME::StringSeq* SALOME_Session_i::getSelection()
317 SALOME::StringSeq_var selection = new SALOME::StringSeq;
319 if ( SUIT_Session::session() ) {
320 LightApp_Application* app = dynamic_cast<LightApp_Application*>( SUIT_Session::session()->activeApplication() );
322 LightApp_SelectionMgr* selMgr = dynamic_cast<LightApp_SelectionMgr*>( app->selectionMgr() );
323 SALOME_ListIO selected;
324 selMgr->selectedObjects( selected );
325 selection->length( selected.Extent() );
327 for ( SALOME_ListIteratorOfListIO it( selected ); it.More(); it.Next() ) {
328 Handle( SALOME_InteractiveObject ) io = it.Value();
329 if ( io->hasEntry() )
330 selection[nbSel++] = CORBA::string_dup( io->getEntry() );
332 selection->length( nbSel );
336 return selection._retn();
339 void SALOME_Session_i::deleteContainersinNS()
341 // destroy of all containers and modules
342 _NS->Change_Directory("/Containers");
343 std::vector<std::string> machines = _NS->list_subdirs();
344 for(int i=0;i<(int)machines.size();i++){
345 _NS->Change_Directory(machines[i].c_str());
346 std::vector<std::string> toto = _NS->list_directory();
347 for(int j=0;j<(int)toto.size();j++)
348 _NS->Destroy_Name(toto[j].c_str());
349 std::vector<std::string> containers = _NS->list_subdirs();
350 for(int j=0;j<(int)containers.size();j++){
351 _NS->Change_Directory(containers[j].c_str());
352 std::vector<std::string> modules = _NS->list_directory();
353 for(int k=0;k<(int)modules.size();k++)
354 _NS->Destroy_Name(modules[k].c_str());
355 _NS->Change_Directory("/Containers");
356 _NS->Change_Directory(machines[i].c_str());
357 _NS->Destroy_Directory(containers[j].c_str());
359 _NS->Change_Directory("/Containers");
360 _NS->Destroy_Directory(machines[i].c_str());
362 _NS->Change_Directory("/");
363 _NS->Destroy_Directory("/Containers");