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tdebase/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 <tqfile.h>
#include <tqtextstream.h>
#include <tqdatastream.h>
#include <tqptrstack.h>
#include <tqpushbutton.h>
#include <tqmessagebox.h>
#include <tqguardedptr.h>
#include <tqtimer.h>
#include <klocale.h>
#include <kglobal.h>
#include <tdeconfig.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 <twinmodule.h>
#include <knotifyclient.h>
#include "server.h"
#include "global.h"
#include "startupdlg.h"
#include "client.h"
#include <kdebug.h>
// shall we show a nice fancy login screen?
bool showFancyLogin = FALSE;
bool trinity_startup_main_sequence_done = FALSE;
/*! Restores the previous session. Ensures the window manager is
running (if specified).
*/
void KSMServer::restoreSession( TQString sessionName )
{
showFancyLogin = TDEConfigGroup(TDEGlobal::config(), "Login").readBoolEntry("showFancyLogin", true);
TDEConfig ksplashcfg( "ksplashrc", true );
ksplashcfg.setGroup( "KSplash" );
if ( ksplashcfg.readEntry( "Theme", "Default" ) != TQString("Unified") )
showFancyLogin = false;
if( state != Idle )
return;
state = LaunchingWM;
kdDebug( 1218 ) << "KSMServer::restoreSession " << sessionName << endl;
upAndRunning( "restore session");
TDEConfig* config = TDEGlobal::config();
sessionGroup = "Session: " + sessionName;
config->setGroup( sessionGroup );
int count = config->readNumEntry( "count" );
appsToStart = count;
TQValueList<TQStringList> wmCommands;
if ( !wm.isEmpty() ) {
for ( int i = 1; i <= count; i++ ) {
TQString n = TQString::number(i);
if ( wm == config->readEntry( TQString("program")+n ) ) {
wmCommands << config->readListEntry( TQString("restartCommand")+n );
}
}
}
if ( wmCommands.isEmpty() )
wmCommands << ( TQStringList() << 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] );
if ((showFancyLogin) && (!startupNotifierIPDlg)) {
startupNotifierIPDlg = KSMStartupIPDlg::showStartupIP();
}
TQTimer::singleShot( 4000, this, TQT_SLOT( autoStart0() ) );
} else {
if ((showFancyLogin) && (!startupNotifierIPDlg)) {
startupNotifierIPDlg = KSMStartupIPDlg::showStartupIP();
}
autoStart0();
}
}
/*!
Starts the default session.
Currently, that's the window manager only (if specified).
*/
void KSMServer::startDefaultSession()
{
showFancyLogin = TDEConfigGroup(TDEGlobal::config(), "Login").readBoolEntry("showFancyLogin", true);
TDEConfig ksplashcfg( "ksplashrc", true );
ksplashcfg.setGroup( "KSplash" );
if ( ksplashcfg.readEntry( "Theme", "Default" ) != TQString("None") )
showFancyLogin = false;
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);
if (!wmAddArgs.isEmpty()) {
TQStringList wmstartupcommand;
wmstartupcommand.split(" ", wmAddArgs);
wmstartupcommand.prepend(wm);
startApplication( wmstartupcommand );
}
else {
startApplication( wm );
}
if ((showFancyLogin) && (!startupNotifierIPDlg)) {
startupNotifierIPDlg = KSMStartupIPDlg::showStartupIP();
}
TQTimer::singleShot( 4000, this, TQT_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;
TQTimer::singleShot( 10000, this, TQT_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 = TQString::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();
TDEConfig* config = TDEGlobal::config();
config->setGroup( sessionGroup );
while ( lastAppStarted < appsToStart ) {
publishProgress ( appsToStart - lastAppStarted );
lastAppStarted++;
TQString n = TQString::number(lastAppStarted);
TQStringList restartCommand = config->readListEntry( TQString("restartCommand")+n );
if ( restartCommand.isEmpty() ||
(config->readNumEntry( TQString("restartStyleHint")+n ) == SmRestartNever)) {
continue;
}
if ( wm == config->readEntry( TQString("program")+n ) )
continue; // wm already started
if( config->readBoolEntry( TQString( "wasWm" )+n, false ))
continue; // it was wm before, but not now, don't run it (some have --replace in command :( )
startApplication( restartCommand,
config->readEntry( TQString("clientMachine")+n ),
config->readEntry( TQString("userId")+n ));
lastIdStarted = config->readEntry( TQString("clientId")+n );
if ( !lastIdStarted.isEmpty() ) {
restoreTimer.start( 2000, TRUE );
return; // we get called again from the clientRegistered handler
}
}
appsToStart = 0;
lastIdStarted = TQString::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);
TQTimer::singleShot( 10000, this, TQT_SLOT( kcmPhase2Timeout())); // protection
DCOPRef( "kcminit", "kcminit" ).send( "runPhase2" );
if( !defaultSession())
restoreLegacySession( TDEGlobal::config());
KNotifyClient::event( 0, "starttde" ); // 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;
// [FIXME] When this fires applications are still being loaded, especially the task tray apps
// See if there is a way to detect when all session managed applications have been fully started and wait to fire this until that point!
if (startupNotifierIPDlg) {
static_cast<KSMStartupIPDlg*>(startupNotifierIPDlg)->closeSMDialog();
startupNotifierIPDlg=0;
}
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( TQCString app )
{
if( !startupSuspendCount.contains( app ))
startupSuspendCount[ app ] = 0;
++startupSuspendCount[ app ];
}
void KSMServer::resumeStartup( TQCString 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 TQString& msg )
{
if (startupNotifierIPDlg) {
static_cast<KSMStartupIPDlg*>(startupNotifierIPDlg)->setStartupPhase(msg);
if (msg == TQString("session ready")) {
trinity_startup_main_sequence_done = TRUE;
}
}
DCOPRef( "ksplash" ).send( "upAndRunning", msg );
XEvent e;
e.xclient.type = ClientMessage;
e.xclient.message_type = XInternAtom( tqt_xdisplay(), "_KDE_SPLASH_PROGRESS", False );
e.xclient.display = tqt_xdisplay();
e.xclient.window = tqt_xrootwin();
e.xclient.format = 8;
assert( strlen( msg.latin1()) < 20 );
strcpy( e.xclient.data.b, msg.latin1());
XSendEvent( tqt_xdisplay(), tqt_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();
}
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