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|
/*
KSysGuard, the KDE System Guard
Copyright (c) 1999 - 2001 Chris Schlaeger <cs@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of version 2 of the GNU General Public
License as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
KSysGuard is currently maintained by Chris Schlaeger
<cs@kde.org>. Please do not commit any changes without consulting
me first. Thanks!
KSysGuard has been written with some source code and ideas from
ktop (<1.0). Early versions of ktop have been written by Bernd
Johannes Wuebben <wuebben@math.cornell.edu> and Nicolas Leclercq
<nicknet@planete.net>.
*/
#include <assert.h>
#include <ctype.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <tdeaboutdata.h>
#include <tdeaction.h>
#include <tdeapplication.h>
#include <tdecmdlineargs.h>
#include <kdebug.h>
#include <kedittoolbar.h>
#include <tdeglobal.h>
#include <tdeglobalsettings.h>
#include <tdelocale.h>
#include <tdemessagebox.h>
#include <ksgrd/SensorAgent.h>
#include <ksgrd/SensorManager.h>
#include <ksgrd/StyleEngine.h>
#include <kstandarddirs.h>
#include <kstatusbar.h>
#include <kstdaction.h>
#include <twin.h>
#include <twinmodule.h>
#include <dnssd/remoteservice.h>
#include "../version.h"
#include "SensorBrowser.h"
#include "Workspace.h"
#include "ksysguard.h"
static const char Description[] = I18N_NOOP( "TDE system guard" );
TopLevel* topLevel;
/**
This is the constructor for the main widget. It sets up the menu and the
TaskMan widget.
*/
TopLevel::TopLevel( const char *name )
: TDEMainWindow( 0, name ), DCOPObject( "KSysGuardIface" )
{
setPlainCaption( i18n( "KSysGuard" ) );
mDontSaveSession = false;
mTimerId = -1;
mSplitter = new TQSplitter( this );
mSplitter->setOrientation( TQt::Horizontal );
mSplitter->setOpaqueResize( TDEGlobalSettings::opaqueResize() );
setCentralWidget( mSplitter );
mSensorBrowser = new SensorBrowser( mSplitter, KSGRD::SensorMgr );
mServiceBrowser = new DNSSD::ServiceBrowser("_ksysguard._tcp", 0, true);
connect(mServiceBrowser,TQT_SIGNAL(serviceAdded(DNSSD::RemoteService::Ptr)),this,
TQT_SLOT(serviceAdded(DNSSD::RemoteService::Ptr)));
mWorkSpace = new Workspace( mSplitter );
connect( mWorkSpace, TQT_SIGNAL( announceRecentURL( const KURL& ) ),
TQT_SLOT( registerRecentURL( const KURL& ) ) );
connect( mWorkSpace, TQT_SIGNAL( setCaption( const TQString&, bool ) ),
TQT_SLOT( setCaption( const TQString&, bool ) ) );
connect( KSGRD::Style, TQT_SIGNAL( applyStyleToWorksheet() ), mWorkSpace,
TQT_SLOT( applyStyle() ) );
/* Create the status bar. It displays some information about the
* number of processes and the memory consumption of the local
* host. */
statusBar()->insertFixedItem( i18n( "88888 Processes" ), 0 );
statusBar()->insertFixedItem( i18n( "Memory: 88888888888 kB used, "
"88888888888 kB free" ), 1 );
statusBar()->insertFixedItem( i18n( "Swap: 888888888 kB used, "
"888888888 kB free" ), 2 );
statusBar()->hide();
// create actions for menue entries
new TDEAction( i18n( "&New Worksheet..." ), "tab_new", 0, mWorkSpace,
TQT_SLOT( newWorkSheet() ), actionCollection(), "new_worksheet" );
new TDEAction( i18n( "Import Worksheet..." ), "document-open", 0, mWorkSpace,
TQT_SLOT( loadWorkSheet() ), actionCollection(), "import_worksheet" );
mActionOpenRecent = new TDERecentFilesAction( i18n( "&Import Recent Worksheet" ),"document-open", 0,
mWorkSpace, TQT_SLOT( loadWorkSheet( const KURL& ) ), actionCollection(), "recent_import_worksheet" );
new TDEAction( i18n( "&Remove Worksheet" ), "tab_remove", 0, mWorkSpace,
TQT_SLOT( deleteWorkSheet() ), actionCollection(), "remove_worksheet" );
new TDEAction( i18n( "&Export Worksheet..." ), "document-save-as", 0, mWorkSpace,
TQT_SLOT( saveWorkSheetAs() ), actionCollection(), "export_worksheet" );
KStdAction::quit( this, TQT_SLOT( close() ), actionCollection() );
new TDEAction( i18n( "C&onnect Host..." ), "connect_established", 0, this,
TQT_SLOT( connectHost() ), actionCollection(), "connect_host" );
new TDEAction( i18n( "D&isconnect Host" ), "connect_no", 0, this,
TQT_SLOT( disconnectHost() ), actionCollection(), "disconnect_host" );
// KStdAction::cut( mWorkSpace, TQT_SLOT( cut() ), actionCollection() );
// KStdAction::copy( mWorkSpace, TQT_SLOT( copy() ), actionCollection() );
// KStdAction::paste( mWorkSpace, TQT_SLOT( paste() ), actionCollection() );
new TDEAction( i18n( "&Worksheet Properties" ), "configure", 0, mWorkSpace,
TQT_SLOT( configure() ), actionCollection(), "configure_sheet" );
new TDEAction( i18n( "Load Standard Sheets" ), "document-revert",
0, this, TQT_SLOT( resetWorkSheets() ),
actionCollection(), "revert_all_worksheets" );
new TDEAction( i18n( "Configure &Style..." ), "colorize", 0, this,
TQT_SLOT( editStyle() ), actionCollection(), "configure_style" );
// TODO remove resize and fix so sizeHints() determines default size.
if (!initialGeometrySet())
resize( 640, 480 );
setupGUI(ToolBar | Keys | StatusBar | Create);
setAutoSaveSettings();
}
/*
* DCOP Interface functions
*/
void TopLevel::resetWorkSheets()
{
if ( KMessageBox::warningContinueCancel( this,
i18n( "Do you really want to restore the default worksheets?" ),
i18n( "Reset All Worksheets" ),
i18n("Reset"),
"AskResetWorkSheets") == KMessageBox::Cancel )
return;
mWorkSpace->removeAllWorkSheets();
TDEStandardDirs* kstd = TDEGlobal::dirs();
kstd->addResourceType( "data", "share/apps/ksysguard" );
TQString workDir = kstd->saveLocation( "data", "ksysguard" );
TQString file = kstd->findResource( "data", "SystemLoad.sgrd" );
TQString newFile = workDir + "/" + i18n( "System Load" ) + ".sgrd";
if ( !file.isEmpty() )
mWorkSpace->restoreWorkSheet( file, newFile );
file = kstd->findResource( "data", "ProcessTable.sgrd" );
newFile = workDir + "/" + i18n( "Process Table" ) + ".sgrd";
if ( !file.isEmpty() )
mWorkSpace->restoreWorkSheet( file, newFile );
}
void TopLevel::showProcesses()
{
mWorkSpace->showProcesses();
}
void TopLevel::showOnCurrentDesktop()
{
KWin::setOnDesktop( winId(), KWin::currentDesktop() );
kapp->updateUserTimestamp();
KWin::forceActiveWindow( winId() );
}
void TopLevel::loadWorkSheet( const TQString &fileName )
{
mWorkSpace->loadWorkSheet( KURL( fileName ) );
}
void TopLevel::removeWorkSheet( const TQString &fileName )
{
mWorkSpace->deleteWorkSheet( fileName );
}
TQStringList TopLevel::listSensors( const TQString &hostName )
{
return mSensorBrowser->listSensors( hostName );
}
TQStringList TopLevel::listHosts()
{
return mSensorBrowser->listHosts();
}
TQString TopLevel::readIntegerSensor( const TQString &sensorLocator )
{
TQString host = sensorLocator.left( sensorLocator.find( ':' ) );
TQString sensor = sensorLocator.right( sensorLocator.length() -
sensorLocator.find( ':' ) - 1 );
DCOPClientTransaction *dcopTransaction = kapp->dcopClient()->beginTransaction();
mDCopFIFO.prepend( dcopTransaction );
KSGRD::SensorMgr->engage( host, "", "ksysguardd" );
KSGRD::SensorMgr->sendRequest( host, sensor, (KSGRD::SensorClient*)this, 133 );
return TQString::null;
}
TQStringList TopLevel::readListSensor( const TQString& sensorLocator )
{
TQStringList retval;
TQString host = sensorLocator.left( sensorLocator.find( ':' ) );
TQString sensor = sensorLocator.right( sensorLocator.length() -
sensorLocator.find( ':' ) - 1 );
DCOPClientTransaction *dcopTransaction = kapp->dcopClient()->beginTransaction();
mDCopFIFO.prepend( dcopTransaction );
KSGRD::SensorMgr->engage( host, "", "ksysguardd" );
KSGRD::SensorMgr->sendRequest( host, sensor, (KSGRD::SensorClient*)this, 134 );
return retval;
}
/*
* End of DCOP Interface section
*/
void TopLevel::serviceAdded(DNSSD::RemoteService::Ptr srv)
{
KSGRD::SensorMgr->engage( srv->hostName(), "", "", srv->port() );
}
void TopLevel::registerRecentURL( const KURL &url )
{
mActionOpenRecent->addURL( url );
}
void TopLevel::beATaskManager()
{
mWorkSpace->showProcesses();
// Avoid displaying splitter widget
mSensorBrowser->hide();
// No toolbar and status bar in taskmanager mode.
toolBar( "mainToolBar" )->hide();
mDontSaveSession = true;
stateChanged( "showProcessState" );
}
void TopLevel::showRequestedSheets()
{
toolBar( "mainToolBar" )->hide();
TQValueList<int> sizes;
sizes.append( 0 );
sizes.append( 100 );
mSplitter->setSizes( sizes );
}
void TopLevel::initStatusBar()
{
KSGRD::SensorMgr->engage( "localhost", "", "ksysguardd" );
/* Request info about the swap space size and the units it is
* measured in. The requested info will be received by
* answerReceived(). */
KSGRD::SensorMgr->sendRequest( "localhost", "mem/swap/used?",
(KSGRD::SensorClient*)this, 5 );
updateStatusBar();
mServiceBrowser->startBrowse();
TDEToggleAction *sb = dynamic_cast<TDEToggleAction*>(action("options_show_statusbar"));
if (sb)
connect(sb, TQT_SIGNAL(toggled(bool)), this, TQT_SLOT(updateStatusBar()));
}
void TopLevel::updateStatusBar()
{
if ( mTimerId == -1 )
mTimerId = startTimer( 2000 );
// call timerEvent to fill the status bar with real values
timerEvent( 0 );
}
void TopLevel::connectHost()
{
KSGRD::SensorMgr->engageHost( "" );
}
void TopLevel::disconnectHost()
{
mSensorBrowser->disconnect();
}
void TopLevel::editToolbars()
{
saveMainWindowSettings( kapp->config() );
KEditToolbar dlg( actionCollection() );
connect( &dlg, TQT_SIGNAL( newToolbarConfig() ), this,
TQT_SLOT( slotNewToolbarConfig() ) );
dlg.exec();
}
void TopLevel::slotNewToolbarConfig()
{
createGUI();
applyMainWindowSettings( kapp->config() );
}
void TopLevel::editStyle()
{
KSGRD::Style->configure();
}
void TopLevel::customEvent( TQCustomEvent *e )
{
if ( e->type() == TQEvent::User ) {
/* Due to the asynchronous communication between ksysguard and its
* back-ends, we sometimes need to show message boxes that were
* triggered by objects that have died already. */
KMessageBox::error( this, *((TQString*)e->data()) );
delete (TQString*)e->data();
}
}
void TopLevel::timerEvent( TQTimerEvent* )
{
if ( statusBar()->isVisibleTo( this ) ) {
/* Request some info about the memory status. The requested
* information will be received by answerReceived(). */
KSGRD::SensorMgr->sendRequest( "localhost", "pscount",
(KSGRD::SensorClient*)this, 0 );
KSGRD::SensorMgr->sendRequest( "localhost", "mem/physical/free",
(KSGRD::SensorClient*)this, 1 );
KSGRD::SensorMgr->sendRequest( "localhost", "mem/physical/used",
(KSGRD::SensorClient*)this, 2 );
KSGRD::SensorMgr->sendRequest( "localhost", "mem/swap/free",
(KSGRD::SensorClient*)this, 3 );
KSGRD::SensorMgr->sendRequest( "localhost", "mem/swap/used",
(KSGRD::SensorClient*)this, 4 );
}
}
bool TopLevel::queryClose()
{
if ( !mDontSaveSession ) {
if ( !mWorkSpace->saveOnQuit() )
return false;
saveProperties( kapp->config() );
kapp->config()->sync();
}
return true;
}
void TopLevel::readProperties( TDEConfig *cfg )
{
/* we can ignore 'isMaximized' because we can't set the window
maximized, so we save the coordinates instead */
if ( cfg->readBoolEntry( "isMinimized" ) == true )
showMinimized();
TQValueList<int> sizes = cfg->readIntListEntry( "SplitterSizeList" );
if ( sizes.isEmpty() ) {
// start with a 30/70 ratio
sizes.append( 30 );
sizes.append( 70 );
}
mSplitter->setSizes( sizes );
KSGRD::SensorMgr->readProperties( cfg );
KSGRD::Style->readProperties( cfg );
mWorkSpace->readProperties( cfg );
mActionOpenRecent->loadEntries( cfg );
applyMainWindowSettings( cfg );
}
void TopLevel::saveProperties( TDEConfig *cfg )
{
mActionOpenRecent->saveEntries( cfg );
cfg->writeEntry( "isMinimized", isMinimized() );
cfg->writeEntry( "SplitterSizeList", mSplitter->sizes() );
KSGRD::Style->saveProperties( cfg );
KSGRD::SensorMgr->saveProperties( cfg );
saveMainWindowSettings( cfg );
mWorkSpace->saveProperties( cfg );
}
void TopLevel::answerReceived( int id, const TQString &answer )
{
TQString s;
static TQString unit;
static long mUsed = 0;
static long mFree = 0;
static long sUsed = 0;
static long sFree = 0;
switch ( id ) {
case 0:
// yes, I know there is never 1 process, but that's the way
// singular vs. plural works :/
//
// To use pluralForms, though, you need to convert to
// an integer, not use the TQString straight.
s = i18n( "1 Process", "%n Processes", answer.toInt() );
statusBar()->changeItem( s, 0 );
break;
case 1:
mFree = answer.toLong();
break;
case 2:
mUsed = answer.toLong();
s = i18n( "Memory: %1 %2 used, %3 %4 free" )
.arg( TDEGlobal::locale()->formatNumber( mUsed, 0 ) ).arg( unit )
.arg( TDEGlobal::locale()->formatNumber( mFree, 0 ) ).arg( unit );
statusBar()->changeItem( s, 1 );
break;
case 3:
sFree = answer.toLong();
setSwapInfo( sUsed, sFree, unit );
break;
case 4:
sUsed = answer.toLong();
setSwapInfo( sUsed, sFree, unit );
break;
case 5: {
KSGRD::SensorIntegerInfo info( answer );
unit = KSGRD::SensorMgr->translateUnit( info.unit() );
}
case 133: {
TQCString replyType = "TQString";
TQByteArray replyData;
TQDataStream reply( replyData, IO_WriteOnly );
reply << answer;
DCOPClientTransaction *dcopTransaction = mDCopFIFO.last();
kapp->dcopClient()->endTransaction( dcopTransaction, replyType, replyData );
mDCopFIFO.removeLast();
break;
}
case 134: {
TQStringList resultList;
TQCString replyType = "TQStringList";
TQByteArray replyData;
TQDataStream reply( replyData, IO_WriteOnly );
KSGRD::SensorTokenizer lines( answer, '\n' );
for ( unsigned int i = 0; i < lines.count(); i++ )
resultList.append( lines[ i ] );
reply << resultList;
DCOPClientTransaction *dcopTransaction = mDCopFIFO.last();
kapp->dcopClient()->endTransaction( dcopTransaction, replyType, replyData );
mDCopFIFO.removeLast();
break;
}
}
}
void TopLevel::setSwapInfo( long used, long free, const TQString &unit )
{
TQString msg;
if ( used == 0 && free == 0 ) // no swap available
msg = i18n( "No swap space available" );
else {
msg = i18n( "Swap: %1 %2 used, %3 %4 free" )
.arg( TDEGlobal::locale()->formatNumber( used, 0 ) ).arg( unit )
.arg( TDEGlobal::locale()->formatNumber( free, 0 ) ).arg( unit );
}
statusBar()->changeItem( msg, 2 );
}
static const TDECmdLineOptions options[] = {
{ "showprocesses", I18N_NOOP( "Show only process list of local host" ), 0 },
{ "+[worksheet]", I18N_NOOP( "Optional worksheet files to load" ), 0 },
TDECmdLineLastOption
};
/*
* Once upon a time...
*/
int main( int argc, char** argv )
{
// initpipe is used to keep the parent process around till the child
// has registered with dcop.
int initpipe[ 2 ];
pipe( initpipe );
/* This forking will put ksysguard in it's on session not having a
* controlling terminal attached to it. This prevents ssh from
* using this terminal for password requests. Unfortunately you
* now need a ssh with ssh-askpass support to popup an X dialog to
* enter the password. Currently only the original ssh provides this
* but not open-ssh. */
pid_t pid;
if ( ( pid = fork() ) < 0 )
return -1;
else
if ( pid != 0 ) {
close( initpipe[ 1 ] );
// wait till init is complete
char c;
while( read( initpipe[ 0 ], &c, 1 ) < 0 );
// then exit
close( initpipe[ 0 ] );
exit( 0 );
}
close( initpipe[ 0 ] );
setsid();
TDEAboutData aboutData( "ksysguard", I18N_NOOP( "KSysGuard" ),
KSYSGUARD_VERSION, Description, TDEAboutData::License_GPL,
I18N_NOOP( "(c) 1996-2002 The KSysGuard Developers" ) );
aboutData.addAuthor( "Chris Schlaeger", "Current Maintainer", "cs@kde.org" );
aboutData.addAuthor( "Tobias Koenig", 0, "tokoe@kde.org" );
aboutData.addAuthor( "Nicolas Leclercq", 0, "nicknet@planete.net" );
aboutData.addAuthor( "Alex Sanda", 0, "alex@darkstart.ping.at" );
aboutData.addAuthor( "Bernd Johannes Wuebben", 0, "wuebben@math.cornell.edu" );
aboutData.addAuthor( "Ralf Mueller", 0, "rlaf@bj-ig.de" );
aboutData.addAuthor( "Hamish Rodda", 0, "rodda@kde.org" );
aboutData.addAuthor( "Torsten Kasch", I18N_NOOP( "Solaris Support\n"
"Parts derived (by permission) from the sunos5\n"
"module of William LeFebvre's \"top\" utility." ),
"tk@Genetik.Uni-Bielefeld.DE" );
TDECmdLineArgs::init( argc, argv, &aboutData );
TDECmdLineArgs::addCmdLineOptions( options );
TDEApplication::disableAutoDcopRegistration();
// initialize KDE application
TDEApplication *app = new TDEApplication;
KSGRD::SensorMgr = new KSGRD::SensorManager();
KSGRD::Style = new KSGRD::StyleEngine();
TDECmdLineArgs* args = TDECmdLineArgs::parsedArgs();
int result = 0;
if ( args->isSet( "showprocesses" ) ) {
/* To avoid having multiple instances of ksysguard in
* taskmanager mode we check if another taskmanager is running
* already. If so, we terminate this one immediately. */
if ( app->dcopClient()->registerAs( "ksysguard_taskmanager", false ) ==
"ksysguard_taskmanager" ) {
// We have registered with DCOP, our parent can exit now.
char c = 0;
write( initpipe[ 1 ], &c, 1 );
close( initpipe[ 1 ] );
topLevel = new TopLevel( "KSysGuard" );
topLevel->beATaskManager();
topLevel->initStatusBar();
topLevel->show();
KSGRD::SensorMgr->setBroadcaster( topLevel );
// run the application
result = app->exec();
} else {
TQByteArray data;
app->dcopClient()->send( "ksysguard_taskmanager", "KSysGuardIface",
"showOnCurrentDesktop()", data );
}
} else {
app->dcopClient()->registerAs( "ksysguard" );
app->dcopClient()->setDefaultObject( "KSysGuardIface" );
// We have registered with DCOP, our parent can exit now.
char c = 0;
write( initpipe[ 1 ], &c, 1 );
close( initpipe[ 1 ] );
topLevel = new TopLevel( "KSysGuard" );
// create top-level widget
if ( args->count() > 0 ) {
/* The user has specified a list of worksheets to load. In this
* case we do not restore any previous settings but load all the
* requested worksheets. */
topLevel->showRequestedSheets();
for ( int i = 0; i < args->count(); ++i )
topLevel->loadWorkSheet( args->arg( i ) );
} else {
if ( app->isRestored() )
topLevel->restore( 1 );
else
topLevel->readProperties( app->config() );
}
topLevel->initStatusBar();
topLevel->show();
KSGRD::SensorMgr->setBroadcaster( topLevel );
// run the application
result = app->exec();
}
delete KSGRD::Style;
delete KSGRD::SensorMgr;
delete app;
return result;
}
#include "ksysguard.moc"
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