1 // Copyright (C) 2007-2019 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>
58 SALOME_Session_i::SALOME_Session_i(int argc,
61 PortableServer::POA_ptr poa,
63 QWaitCondition* GUILauncher)
68 _orb = CORBA::ORB::_duplicate(orb) ;
69 _poa = PortableServer::POA::_duplicate(poa) ;
71 _GUILauncher = GUILauncher;
72 _NS = new SALOME_NamingService(_orb);
73 _isShuttingDown = false;
74 //MESSAGE("constructor end");
78 returns Visu component
80 Engines::EngineComponent_ptr SALOME_Session_i::GetComponent(const char* theLibraryName)
82 typedef Engines::EngineComponent_ptr TGetImpl(CORBA::ORB_ptr,
83 PortableServer::POA_ptr,
84 SALOME_NamingService*,QMutex*);
85 OSD_SharedLibrary aSharedLibrary(const_cast<char*>(theLibraryName));
86 if (aSharedLibrary.DlOpen(OSD_RTLD_LAZY)) {
87 if (OSD_Function anOSDFun = aSharedLibrary.DlSymb("GetImpl"))
88 return ((TGetImpl (*)) anOSDFun)(_orb,_poa,_NS,_GUIMutex);
90 CORBA::Object_var obj = SalomeApp_Engine_i::EngineForComponent(theLibraryName, true);
91 if (!CORBA::is_nil(obj)){
92 Engines::EngineComponent_var anEngine = Engines::EngineComponent::_narrow(obj);
93 return anEngine._retn();
95 return Engines::EngineComponent::_nil();
101 SALOME_Session_i::~SALOME_Session_i()
104 //MESSAGE("destructor end");
108 tries to find the Corba Naming Service and to register the session,
109 gives naming service interface to _IAPPThread
111 void SALOME_Session_i::NSregister()
113 CORBA::Object_var obref=_this();
114 SALOME::Session_var pSession = SALOME::Session::_narrow(obref);
117 _NS->Register(pSession, "/Kernel/Session");
119 catch (ServiceUnreachable&)
121 INFOS("Caught exception: Naming Service Unreachable");
126 INFOS("Caught unknown exception from Naming Service");
128 //MESSAGE("Session registered in Naming Service");
132 Unregister session server from CORBA Naming Service
134 void SALOME_Session_i::NSunregister()
138 _NS->Destroy_Name("/Kernel/Session");
139 _NS->Destroy_Directory("/Kernel");
141 catch (ServiceUnreachable&)
143 INFOS("Caught exception: Naming Service Unreachable");
147 INFOS("Caught unknown exception from Naming Service");
152 Launches the GUI if there is none.
153 The Corba method is oneway (corba client does'nt wait for GUI completion)
155 void SALOME_Session_i::GetInterface()
159 if ( !SUIT_Session::session() )
161 _GUILauncher->wakeAll();
162 MESSAGE("SALOME_Session_i::GetInterface() called, starting GUI...");
167 Kills the session if there are no active studies nore GUI
169 class CloseEvent : public SALOME_Event
172 virtual void Execute() {
173 if ( SUIT_Session::session() )
174 SUIT_Session::session()->closeSession( SUIT_Session::DONT_SAVE );
179 Stop session (close all GUI windows)
181 void SALOME_Session_i::StopSession()
185 if ( SUIT_Session::session() ) {
186 ProcessVoidEvent( new CloseEvent() );
191 void SALOME_Session_i::Shutdown()
194 bool isBeingShuttingDown = _isShuttingDown;
195 _isShuttingDown = true;
197 if ( !isBeingShuttingDown ) {
198 if ( SUIT_Session::session() ) {
199 ProcessVoidEvent( new CloseEvent() );
202 _GUILauncher->wakeAll();
208 Send a SALOME::StatSession structure (see idl) to the client
214 QtLock() { if ( qApp ) qApp->lock(); }
215 ~QtLock() { if ( qApp ) qApp->unlock(); }
219 SALOME::StatSession SALOME_Session_i::GetStatSession()
221 // update Session state
227 _isGUI = SUIT_Session::session();
228 if ( _isGUI && SUIT_Session::session()->activeApplication() )
229 activeStudy = SUIT_Session::session()->activeApplication()->getNbStudies();
233 SALOME::StatSession_var myStats = new SALOME::StatSession;
235 myStats->state = SALOME::running ;
236 else if (_isShuttingDown)
237 myStats->state = SALOME::shutdown ;
239 myStats->state = SALOME::asleep ;
240 myStats->activeGUI = _isGUI ;
244 return myStats._retn() ;
247 CORBA::Long SALOME_Session_i::getPID() {
256 char* SALOME_Session_i::getHostname()
258 std::string aHostName = Kernel_Utils::GetHostname();
259 return CORBA::string_dup( aHostName.data() );
262 bool SALOME_Session_i::restoreVisualState(CORBA::Long theSavePoint)
264 class TEvent: public SALOME_Event {
267 TEvent(int savePoint) { _savePoint = savePoint; }
268 virtual void Execute() {
269 SUIT_Study* study = SUIT_Session::session()->activeApplication()->activeStudy();
271 study->restoreState(_savePoint);
276 if(SUIT_Session::session() && SUIT_Session::session()->activeApplication() ) {
277 SUIT_Study* study = SUIT_Session::session()->activeApplication()->activeStudy();
278 if(!study) SUIT_Session::session()->activeApplication()->createEmptyStudy();
279 ProcessVoidEvent( new TEvent(theSavePoint) );
286 void SALOME_Session_i::emitMessage(const char* theMessage)
288 class TEvent: public SALOME_Event {
290 TEvent(const char * msg) {
293 virtual void Execute() {
294 SUIT_Session::session()->activeApplication()->desktop()->emitMessage(_msg);
299 if ( SUIT_Session::session() ) {
300 if ( SUIT_Session::session()->activeApplication() ) {
301 if ( SUIT_Session::session()->activeApplication()->desktop() ) {
302 ProcessVoidEvent( new TEvent(theMessage) );
305 MESSAGE("try to emit message '"<<theMessage<<"' but there is no desktop");
309 MESSAGE("try to emit message '"<<theMessage<<"' but there is no application");
313 MESSAGE("try to emit message '"<<theMessage<<"' but there is no session");
317 void SALOME_Session_i::emitMessageOneWay(const char* theMessage)
319 emitMessage(theMessage);
322 SALOME::StringSeq* SALOME_Session_i::getSelection()
324 SALOME::StringSeq_var selection = new SALOME::StringSeq;
326 if ( SUIT_Session::session() ) {
327 LightApp_Application* app = dynamic_cast<LightApp_Application*>( SUIT_Session::session()->activeApplication() );
329 LightApp_SelectionMgr* selMgr = dynamic_cast<LightApp_SelectionMgr*>( app->selectionMgr() );
330 SALOME_ListIO selected;
331 selMgr->selectedObjects( selected );
332 selection->length( selected.Extent() );
334 for ( SALOME_ListIteratorOfListIO it( selected ); it.More(); it.Next() ) {
335 Handle( SALOME_InteractiveObject ) io = it.Value();
336 if ( io->hasEntry() )
337 selection[nbSel++] = CORBA::string_dup( io->getEntry() );
339 selection->length( nbSel );
343 return selection._retn();