1 // Copyright (C) 2007-2016 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)
69 _orb = CORBA::ORB::_duplicate(orb) ;
70 _poa = PortableServer::POA::_duplicate(poa) ;
72 _GUILauncher = GUILauncher;
73 _NS = new SALOME_NamingService(_orb);
74 _isShuttingDown = false;
75 //MESSAGE("constructor end");
79 returns Visu component
81 Engines::EngineComponent_ptr SALOME_Session_i::GetComponent(const char* theLibraryName)
83 typedef Engines::EngineComponent_ptr TGetImpl(CORBA::ORB_ptr,
84 PortableServer::POA_ptr,
85 SALOME_NamingService*,QMutex*);
86 OSD_SharedLibrary aSharedLibrary(const_cast<char*>(theLibraryName));
87 if (aSharedLibrary.DlOpen(OSD_RTLD_LAZY)) {
88 if (OSD_Function anOSDFun = aSharedLibrary.DlSymb("GetImpl"))
89 return ((TGetImpl (*)) anOSDFun)(_orb,_poa,_NS,_GUIMutex);
91 CORBA::Object_var obj = SalomeApp_Engine_i::EngineForComponent(theLibraryName, true);
92 if (!CORBA::is_nil(obj)){
93 Engines::EngineComponent_var anEngine = Engines::EngineComponent::_narrow(obj);
94 return anEngine._retn();
96 return Engines::EngineComponent::_nil();
102 SALOME_Session_i::~SALOME_Session_i()
105 //MESSAGE("destructor end");
109 tries to find the Corba Naming Service and to register the session,
110 gives naming service interface to _IAPPThread
112 void SALOME_Session_i::NSregister()
114 CORBA::Object_var obref=_this();
115 SALOME::Session_var pSession = SALOME::Session::_narrow(obref);
118 _NS->Register(pSession, "/Kernel/Session");
120 catch (ServiceUnreachable&)
122 INFOS("Caught exception: Naming Service Unreachable");
127 INFOS("Caught unknown exception from Naming Service");
129 //MESSAGE("Session registered in Naming Service");
133 Unregister session server from CORBA Naming Service
135 void SALOME_Session_i::NSunregister()
139 _NS->Destroy_Name("/Kernel/Session");
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
209 (number of running studies and presence of GUI)
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 _runningStudies = 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->runningStudies = _runningStudies ;
241 myStats->activeGUI = _isGUI ;
245 return myStats._retn() ;
248 CORBA::Long SALOME_Session_i::GetActiveStudyId()
251 if ( SUIT_Session::session() && SUIT_Session::session()->activeApplication() ) {
252 if ( SUIT_Session::session()->activeApplication()->activeStudy() ) // mkr : IPAL12128
253 aStudyId = SUIT_Session::session()->activeApplication()->activeStudy()->id();
258 CORBA::Long SALOME_Session_i::getPID() {
267 char* SALOME_Session_i::getHostname()
269 std::string aHostName = Kernel_Utils::GetHostname();
270 return CORBA::string_dup( aHostName.data() );
273 bool SALOME_Session_i::restoreVisualState(CORBA::Long theSavePoint)
275 class TEvent: public SALOME_Event {
278 TEvent(int savePoint) { _savePoint = savePoint; }
279 virtual void Execute() {
280 SUIT_Study* study = SUIT_Session::session()->activeApplication()->activeStudy();
282 study->restoreState(_savePoint);
287 if(SUIT_Session::session() && SUIT_Session::session()->activeApplication() ) {
288 SUIT_Study* study = SUIT_Session::session()->activeApplication()->activeStudy();
289 if(!study) SUIT_Session::session()->activeApplication()->createEmptyStudy();
290 ProcessVoidEvent( new TEvent(theSavePoint) );
297 void SALOME_Session_i::emitMessage(const char* theMessage)
299 class TEvent: public SALOME_Event {
301 TEvent(const char * msg) {
304 virtual void Execute() {
305 SUIT_Session::session()->activeApplication()->desktop()->emitMessage(_msg);
310 if ( SUIT_Session::session() ) {
311 if ( SUIT_Session::session()->activeApplication() ) {
312 if ( SUIT_Session::session()->activeApplication()->desktop() ) {
313 ProcessVoidEvent( new TEvent(theMessage) );
316 MESSAGE("try to emit message '"<<theMessage<<"' but there is no desktop");
320 MESSAGE("try to emit message '"<<theMessage<<"' but there is no application");
324 MESSAGE("try to emit message '"<<theMessage<<"' but there is no session");
328 void SALOME_Session_i::emitMessageOneWay(const char* theMessage)
330 emitMessage(theMessage);
333 SALOME::StringSeq* SALOME_Session_i::getSelection()
335 SALOME::StringSeq_var selection = new SALOME::StringSeq;
337 if ( SUIT_Session::session() ) {
338 LightApp_Application* app = dynamic_cast<LightApp_Application*>( SUIT_Session::session()->activeApplication() );
340 LightApp_SelectionMgr* selMgr = dynamic_cast<LightApp_SelectionMgr*>( app->selectionMgr() );
341 SALOME_ListIO selected;
342 selMgr->selectedObjects( selected );
343 selection->length( selected.Extent() );
345 for ( SALOME_ListIteratorOfListIO it( selected ); it.More(); it.Next() ) {
346 Handle( SALOME_InteractiveObject ) io = it.Value();
347 if ( io->hasEntry() )
348 selection[nbSel++] = CORBA::string_dup( io->getEntry() );
350 selection->length( nbSel );
354 return selection._retn();