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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit4aed2c8219774f5d797760606b8489a92ddc5163 (patch)
tree3f8c130f7d269626bf6a9447407ef6c35954426a /ksmserver/startup.cpp
downloadtdebase-4aed2c8219774f5d797760606b8489a92ddc5163.tar.gz
tdebase-4aed2c8219774f5d797760606b8489a92ddc5163.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'ksmserver/startup.cpp')
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diff --git a/ksmserver/startup.cpp b/ksmserver/startup.cpp
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+/*****************************************************************
+ksmserver - the KDE session management server
+
+Copyright (C) 2000 Matthias Ettrich <ettrich@kde.org>
+Copyright (C) 2005 Lubos Lunak <l.lunak@kde.org>
+
+relatively small extensions by Oswald Buddenhagen <ob6@inf.tu-dresden.de>
+
+some code taken from the dcopserver (part of the KDE libraries), which is
+Copyright (c) 1999 Matthias Ettrich <ettrich@kde.org>
+Copyright (c) 1999 Preston Brown <pbrown@kde.org>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+******************************************************************/
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <pwd.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <sys/socket.h>
+#include <sys/un.h>
+
+#include <unistd.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <time.h>
+#include <errno.h>
+#include <string.h>
+#include <assert.h>
+
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
+#include <qfile.h>
+#include <qtextstream.h>
+#include <qdatastream.h>
+#include <qptrstack.h>
+#include <qpushbutton.h>
+#include <qmessagebox.h>
+#include <qguardedptr.h>
+#include <qtimer.h>
+
+#include <klocale.h>
+#include <kglobal.h>
+#include <kconfig.h>
+#include <kstandarddirs.h>
+#include <unistd.h>
+#include <kapplication.h>
+#include <kstaticdeleter.h>
+#include <ktempfile.h>
+#include <kprocess.h>
+#include <dcopclient.h>
+#include <dcopref.h>
+#include <kwinmodule.h>
+#include <knotifyclient.h>
+
+#include "server.h"
+#include "global.h"
+#include "client.h"
+
+#include <kdebug.h>
+
+/*! Restores the previous session. Ensures the window manager is
+ running (if specified).
+ */
+void KSMServer::restoreSession( QString sessionName )
+{
+ if( state != Idle )
+ return;
+ state = LaunchingWM;
+
+ kdDebug( 1218 ) << "KSMServer::restoreSession " << sessionName << endl;
+ upAndRunning( "restore session");
+ KConfig* config = KGlobal::config();
+
+ sessionGroup = "Session: " + sessionName;
+
+ config->setGroup( sessionGroup );
+ int count = config->readNumEntry( "count" );
+ appsToStart = count;
+
+ QValueList<QStringList> wmCommands;
+ if ( !wm.isEmpty() ) {
+ for ( int i = 1; i <= count; i++ ) {
+ QString n = QString::number(i);
+ if ( wm == config->readEntry( QString("program")+n ) ) {
+ wmCommands << config->readListEntry( QString("restartCommand")+n );
+ }
+ }
+ }
+ if ( wmCommands.isEmpty() )
+ wmCommands << ( QStringList() << wm );
+
+ publishProgress( appsToStart, true );
+ connectDCOPSignal( launcher, launcher, "autoStart0Done()",
+ "autoStart0Done()", true);
+ connectDCOPSignal( launcher, launcher, "autoStart1Done()",
+ "autoStart1Done()", true);
+ connectDCOPSignal( launcher, launcher, "autoStart2Done()",
+ "autoStart2Done()", true);
+ upAndRunning( "ksmserver" );
+
+ if ( !wmCommands.isEmpty() ) {
+ // when we have a window manager, we start it first and give
+ // it some time before launching other processes. Results in a
+ // visually more appealing startup.
+ for (uint i = 0; i < wmCommands.count(); i++)
+ startApplication( wmCommands[i] );
+ QTimer::singleShot( 4000, this, SLOT( autoStart0() ) );
+ } else {
+ autoStart0();
+ }
+}
+
+/*!
+ Starts the default session.
+
+ Currently, that's the window manager only (if specified).
+ */
+void KSMServer::startDefaultSession()
+{
+ if( state != Idle )
+ return;
+
+ state = LaunchingWM;
+ sessionGroup = "";
+ publishProgress( 0, true );
+ upAndRunning( "ksmserver" );
+ connectDCOPSignal( launcher, launcher, "autoStart0Done()",
+ "autoStart0Done()", true);
+ connectDCOPSignal( launcher, launcher, "autoStart1Done()",
+ "autoStart1Done()", true);
+ connectDCOPSignal( launcher, launcher, "autoStart2Done()",
+ "autoStart2Done()", true);
+ startApplication( wm );
+ QTimer::singleShot( 4000, this, SLOT( autoStart0() ) );
+}
+
+
+void KSMServer::clientSetProgram( KSMClient* client )
+{
+ if ( !wm.isEmpty() && client->program() == wm )
+ autoStart0();
+}
+
+void KSMServer::autoStart0()
+{
+ if( state != LaunchingWM )
+ return;
+ if( !checkStartupSuspend())
+ return;
+ state = AutoStart0;
+ DCOPRef( launcher ).send( "autoStart", (int) 0 );
+}
+
+void KSMServer::autoStart0Done()
+{
+ if( state != AutoStart0 )
+ return;
+ disconnectDCOPSignal( launcher, launcher, "autoStart0Done()",
+ "autoStart0Done()");
+ if( !checkStartupSuspend())
+ return;
+ kdDebug( 1218 ) << "Autostart 0 done" << endl;
+ upAndRunning( "kdesktop" );
+ upAndRunning( "kicker" );
+ connectDCOPSignal( "kcminit", "kcminit", "phase1Done()",
+ "kcmPhase1Done()", true);
+ state = KcmInitPhase1;
+ QTimer::singleShot( 10000, this, SLOT( kcmPhase1Timeout())); // protection
+ DCOPRef( "kcminit", "kcminit" ).send( "runPhase1" );
+}
+
+void KSMServer::kcmPhase1Done()
+{
+ if( state != KcmInitPhase1 )
+ return;
+ kdDebug( 1218 ) << "Kcminit phase 1 done" << endl;
+ disconnectDCOPSignal( "kcminit", "kcminit", "phase1Done()",
+ "kcmPhase1Done()" );
+ autoStart1();
+}
+
+void KSMServer::kcmPhase1Timeout()
+{
+ if( state != KcmInitPhase1 )
+ return;
+ kdDebug( 1218 ) << "Kcminit phase 1 timeout" << endl;
+ kcmPhase1Done();
+}
+
+void KSMServer::autoStart1()
+{
+ if( state != KcmInitPhase1 )
+ return;
+ state = AutoStart1;
+ DCOPRef( launcher ).send( "autoStart", (int) 1 );
+}
+
+void KSMServer::autoStart1Done()
+{
+ if( state != AutoStart1 )
+ return;
+ disconnectDCOPSignal( launcher, launcher, "autoStart1Done()",
+ "autoStart1Done()");
+ if( !checkStartupSuspend())
+ return;
+ kdDebug( 1218 ) << "Autostart 1 done" << endl;
+ lastAppStarted = 0;
+ lastIdStarted = QString::null;
+ state = Restoring;
+ if( defaultSession()) {
+ autoStart2();
+ return;
+ }
+ tryRestoreNext();
+}
+
+void KSMServer::clientRegistered( const char* previousId )
+{
+ if ( previousId && lastIdStarted == previousId )
+ tryRestoreNext();
+}
+
+void KSMServer::tryRestoreNext()
+{
+ if( state != Restoring )
+ return;
+ restoreTimer.stop();
+ KConfig* config = KGlobal::config();
+ config->setGroup( sessionGroup );
+
+ while ( lastAppStarted < appsToStart ) {
+ publishProgress ( appsToStart - lastAppStarted );
+ lastAppStarted++;
+ QString n = QString::number(lastAppStarted);
+ QStringList restartCommand = config->readListEntry( QString("restartCommand")+n );
+ if ( restartCommand.isEmpty() ||
+ (config->readNumEntry( QString("restartStyleHint")+n ) == SmRestartNever)) {
+ continue;
+ }
+ if ( wm == config->readEntry( QString("program")+n ) )
+ continue; // wm already started
+ if( config->readBoolEntry( QString( "wasWm" )+n, false ))
+ continue; // it was wm before, but not now, don't run it (some have --replace in command :( )
+ startApplication( restartCommand,
+ config->readEntry( QString("clientMachine")+n ),
+ config->readEntry( QString("userId")+n ));
+ lastIdStarted = config->readEntry( QString("clientId")+n );
+ if ( !lastIdStarted.isEmpty() ) {
+ restoreTimer.start( 2000, TRUE );
+ return; // we get called again from the clientRegistered handler
+ }
+ }
+
+ appsToStart = 0;
+ lastIdStarted = QString::null;
+ publishProgress( 0 );
+
+ autoStart2();
+}
+
+void KSMServer::autoStart2()
+{
+ if( state != Restoring )
+ return;
+ if( !checkStartupSuspend())
+ return;
+ state = FinishingStartup;
+ waitAutoStart2 = true;
+ waitKcmInit2 = true;
+ DCOPRef( launcher ).send( "autoStart", (int) 2 );
+ DCOPRef( "kded", "kded" ).send( "loadSecondPhase" );
+ DCOPRef( "kdesktop", "KDesktopIface" ).send( "runAutoStart" );
+ connectDCOPSignal( "kcminit", "kcminit", "phase2Done()",
+ "kcmPhase2Done()", true);
+ QTimer::singleShot( 10000, this, SLOT( kcmPhase2Timeout())); // protection
+ DCOPRef( "kcminit", "kcminit" ).send( "runPhase2" );
+ if( !defaultSession())
+ restoreLegacySession( KGlobal::config());
+ KNotifyClient::event( 0, "startkde" ); // this is the time KDE is up, more or less
+}
+
+void KSMServer::autoStart2Done()
+{
+ if( state != FinishingStartup )
+ return;
+ disconnectDCOPSignal( launcher, launcher, "autoStart2Done()",
+ "autoStart2Done()");
+ kdDebug( 1218 ) << "Autostart 2 done" << endl;
+ waitAutoStart2 = false;
+ finishStartup();
+}
+
+void KSMServer::kcmPhase2Done()
+{
+ if( state != FinishingStartup )
+ return;
+ kdDebug( 1218 ) << "Kcminit phase 2 done" << endl;
+ disconnectDCOPSignal( "kcminit", "kcminit", "phase2Done()",
+ "kcmPhase2Done()");
+ waitKcmInit2 = false;
+ finishStartup();
+}
+
+void KSMServer::kcmPhase2Timeout()
+{
+ if( !waitKcmInit2 )
+ return;
+ kdDebug( 1218 ) << "Kcminit phase 2 timeout" << endl;
+ kcmPhase2Done();
+}
+
+void KSMServer::finishStartup()
+{
+ if( state != FinishingStartup )
+ return;
+ if( waitAutoStart2 || waitKcmInit2 )
+ return;
+
+ upAndRunning( "session ready" );
+ DCOPRef( "knotify" ).send( "sessionReady" ); // knotify startup optimization
+
+ state = Idle;
+
+ setupXIOErrorHandler(); // From now on handle X errors as normal shutdown.
+}
+
+bool KSMServer::checkStartupSuspend()
+{
+ if( startupSuspendCount.isEmpty())
+ return true;
+ // wait for the phase to finish
+ if( !startupSuspendTimeoutTimer.isActive())
+ startupSuspendTimeoutTimer.start( 10000, true );
+ return false;
+}
+
+void KSMServer::suspendStartup( QCString app )
+{
+ if( !startupSuspendCount.contains( app ))
+ startupSuspendCount[ app ] = 0;
+ ++startupSuspendCount[ app ];
+}
+
+void KSMServer::resumeStartup( QCString app )
+{
+ if( !startupSuspendCount.contains( app ))
+ return;
+ if( --startupSuspendCount[ app ] == 0 ) {
+ startupSuspendCount.remove( app );
+ if( startupSuspendCount.isEmpty() && startupSuspendTimeoutTimer.isActive()) {
+ startupSuspendTimeoutTimer.stop();
+ resumeStartupInternal();
+ }
+ }
+}
+
+void KSMServer::startupSuspendTimeout()
+{
+ kdDebug( 1218 ) << "Startup suspend timeout:" << state << endl;
+ resumeStartupInternal();
+}
+
+void KSMServer::resumeStartupInternal()
+{
+ startupSuspendCount.clear();
+ switch( state ) {
+ case LaunchingWM:
+ autoStart0();
+ break;
+ case AutoStart0:
+ autoStart0Done();
+ break;
+ case AutoStart1:
+ autoStart1Done();
+ break;
+ case Restoring:
+ autoStart2();
+ break;
+ default:
+ kdWarning( 1218 ) << "Unknown resume startup state" << endl;
+ break;
+ }
+}
+
+void KSMServer::publishProgress( int progress, bool max )
+{
+ DCOPRef( "ksplash" ).send( max ? "setMaxProgress" : "setProgress", progress );
+}
+
+
+void KSMServer::upAndRunning( const QString& msg )
+{
+ DCOPRef( "ksplash" ).send( "upAndRunning", msg );
+ XEvent e;
+ e.xclient.type = ClientMessage;
+ e.xclient.message_type = XInternAtom( qt_xdisplay(), "_KDE_SPLASH_PROGRESS", False );
+ e.xclient.display = qt_xdisplay();
+ e.xclient.window = qt_xrootwin();
+ e.xclient.format = 8;
+ assert( strlen( msg.latin1()) < 20 );
+ strcpy( e.xclient.data.b, msg.latin1());
+ XSendEvent( qt_xdisplay(), qt_xrootwin(), False, SubstructureNotifyMask, &e );
+}
+
+// these two are in the DCOP interface but I have no idea what uses them
+// Remove for KDE4
+void KSMServer::restoreSessionInternal()
+{
+ autoStart1Done();
+}
+
+void KSMServer::restoreSessionDoneInternal()
+{
+ autoStart2Done();
+}