- dhcp renew now really functions

- added dhcp renew support for udhcp

1 files changed, 30 insertions, 4 deletions

diff --git a/noncore/applets/wirelessapplet/wireless.cpp b/noncore/applets/wirelessapplet/wireless.cpp
index 649cf20..fb9522a 100644
--- a/noncore/applets/wirelessapplet/wireless.cpp
+++ b/noncore/applets/wirelessapplet/wireless.cpp
@@ -1,513 +1,539 @@
 /**********************************************************************
 ** Copyright (C) 2002 Michael 'Mickey' Lauer
 **               <mickey@tm.informatik.uni-frankfurt.de>
 **               http://www.Vanille.de
 **
 ** This file may be distributed and/or modified under the terms of the
 ** GNU General Public License version 2 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.GPL included in the
 ** packaging of this file.
 **
 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 **
 **********************************************************************/
 
 #include "wireless.h"
 
 #include <qapplication.h>
 #include <qpe/qpeapplication.h>
 #include <qpe/config.h>
 
 #include <qpoint.h>
 #include <qradiobutton.h>
 #include <qpushbutton.h>
 #include <qpainter.h>
 #include <qlabel.h>
 #include <qslider.h>
 #include <qbuttongroup.h>
 #include <qlayout.h>
 #include <qframe.h>
 #include <qpixmap.h>
 #include <qstring.h>
 #include <qfile.h>
 #include <qtextstream.h>
 
 #include <sys/types.h>
 #include <signal.h>
 
 #include "networkinfo.h"
 #include "mgraph.h"
 
 #include "advancedconfig.h"
 
 #include "connect0.xpm"
 #include "connect1.xpm"
 #include "connect2.xpm"
 #include "connect3.xpm"
 #include "connect4.xpm"
 #include "connect5.xpm"
 #include "nowireless.xpm"
 
 #define STYLE_BARS 0
 #define STYLE_ANTENNA 1
 
-//#define MDEBUG 0
+//#define MDEBUG
 #undef MDEBUG
 
 WirelessControl::WirelessControl( WirelessApplet *applet, QWidget *parent, const char *name )
     : QFrame( parent, name, WStyle_StaysOnTop | WType_Popup ), applet( applet )
 {
 
     readConfig();
     writeConfigEntry( "UpdateFrequency", updateFrequency );
     writeConfigEntry( "DisplayStyle", displayStyle );
     
     setFrameStyle( QFrame::PopupPanel | QFrame::Raised );    
     QGridLayout *grid = new QGridLayout( this, 3, 2, 6, 2, "top layout" );  
     
     /* status label */
     
     statusLabel = new QLabel( this, "statuslabel" );
     QString text( "Wireless Status:<br>"
 	                "*** Unknown ***<br>"
                     "Card not inserted ?<br>"
                     "Or Sharp ROM ?<br>"
                     "CELL: 00:00:00:00:00:00" );
 /*    QString text( "Station: Unknown<br>"
 	                "ESSID: Unknown<br>"
                     "MODE: Unknown<br>"
                     "FREQ: Unknown<br>"
                     "CELL: AA:BB:CC:DD:EE:FF" ); */
     statusLabel->setText( text );
     statusLabel->setFixedSize( statusLabel->sizeHint() );
     grid->addWidget( statusLabel, 0, 0 );
 
     /* visualization group box */
     
     QButtonGroup* group = new QButtonGroup( 1, Qt::Horizontal, "Visualization", this );
     QRadioButton* r1 = new QRadioButton( "Color Bars", group );
     QRadioButton* r2 = new QRadioButton( "Antenna", group );
     r1->setFocusPolicy( QWidget::NoFocus );
     r2->setFocusPolicy( QWidget::NoFocus );
     group->setFocusPolicy( QWidget::NoFocus );
     group->setButton( displayStyle );
     grid->addWidget( group, 0, 1 );
 
     /* quality graph */
     
     mgraph = new MGraph( this );
     mgraph->setFrameStyle( QFrame::Panel | QFrame::Sunken );
     mgraph->setMin( 0 );
     mgraph->setMax( 92 );
     grid->addWidget( mgraph, 1, 0 );
     mgraph->setFocusPolicy( QWidget::NoFocus );
     
     /* advanced configuration Button */
     
     QPushButton* advanced = new QPushButton( "Advanced...", this );
     advanced->setFocusPolicy( QWidget::NoFocus );
     grid->addWidget( advanced, 2, 0, Qt::AlignCenter );
     connect( advanced, SIGNAL( clicked() ),
              this, SLOT( advancedConfigClicked() ) );
 
     /* update Frequency Label */
     
     updateLabel = new QLabel( this );
     text.sprintf( "Update every %d s", updateFrequency );
     updateLabel->setText( text );
     grid->addWidget( updateLabel, 2, 1 );
 
     /* update Frequency Slider */
     
     QSlider* updateSlider = new QSlider( QSlider::Horizontal, this );
     updateSlider->setRange( 0, 9 );
     updateSlider->setValue( updateFrequency );
     updateSlider->setTickmarks( QSlider::Both );
     updateSlider->setTickInterval( 1 );
     updateSlider->setSteps( 1, 1 );
     updateSlider->setFocusPolicy( QWidget::NoFocus );
     grid->addWidget( updateSlider, 1, 1 );
     connect( updateSlider, SIGNAL( valueChanged( int ) ),
              this, SLOT( updateDelayChange( int ) ) );
 
     setFixedSize( sizeHint() );
     setFocusPolicy( QWidget::NoFocus );
 
     applet->displayStyleChange( displayStyle );
     applet->updateDelayChange( updateFrequency );
     
     connect( group, SIGNAL( clicked( int ) ),
              this, SLOT( displayStyleChange( int ) ) );
              
     applet->updateDHCPConfig( rocESSID, rocFREQ, rocAP, rocMODE );
 }
 
 void WirelessControl::advancedConfigClicked()
 {
     AdvancedConfig* a = new AdvancedConfig( this, "dialog", TRUE );
     int result = a->exec();
     a->hide();
     delete a;
     if ( result == QDialog::Accepted )
     {
         readConfig();
         applet->updateDHCPConfig( rocESSID, rocFREQ, rocAP, rocMODE );
     }
 }
 
 void WirelessControl::updateDelayChange( int delay )
 {
     QString text;
     text.sprintf( "Update every %d s", delay );
     updateLabel->setText( text );
     applet->updateDelayChange( delay );
     writeConfigEntry( "UpdateFrequency", delay );
 }
 
 void WirelessControl::displayStyleChange( int style )
 {
     applet->displayStyleChange( style );
     writeConfigEntry( "DisplayStyle", style );
 }
 
 void WirelessControl::show ( bool )
 {
   QPoint curPos = applet->mapToGlobal( QPoint ( 0, 0 ) );
 
   int w = sizeHint().width();
   int x = curPos.x() - ( w / 2 );
 
   if ( ( x + w ) > QPEApplication::desktop()->width() )
       x = QPEApplication::desktop ( )-> width ( ) - w;
 
   move( x, curPos.y () - sizeHint().height () );
   QFrame::show();
 }
 
 void WirelessControl::readConfig()
 {
     Config cfg( "qpe" );
     cfg.setGroup( "Wireless" );
     
     updateFrequency = cfg.readNumEntry( "UpdateFrequency", 2 );
     displayStyle = cfg.readNumEntry( "DisplayStyle", STYLE_ANTENNA );
     rocESSID = cfg.readBoolEntry( "renew_dhcp_on_essid_change", false );
     rocFREQ = cfg.readBoolEntry( "renew_dhcp_on_freq_change", false );
     rocAP = cfg.readBoolEntry( "renew_dhcp_on_ap_change", false );
     rocMODE = cfg.readBoolEntry( "renew_dhcp_on_mode_change", false );
 }
 
 void WirelessControl::writeConfigEntry( const char *entry, int val )
 {
     Config cfg( "qpe" );
     cfg.setGroup( "Wireless" );
     cfg.writeEntry( entry, val );
 }
   
 //===========================================================================
 
 WirelessApplet::WirelessApplet( QWidget *parent, const char *name )
     : QWidget( parent, name ), visualStyle( STYLE_ANTENNA ),
       timer( 0 ), interface( 0 ),
       rocESSID( false ), rocFREQ( false ), rocAP( false ), rocMODE( false )
 {
     setFixedHeight( 18 );
     setFixedWidth( 14 );
     network = new MWirelessNetwork();
     status = new WirelessControl( this, 0, "wireless status" );
 }
 
 void WirelessApplet::checkInterface()
 {
     interface = network->getFirstInterface();
     if ( interface )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: using interface '%s'", (const char*) interface->getName() );
 #endif
     }
     else
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: D'oh! No Wireless interface present... :(" );
 #endif
         hide();
     }   
 }    
 
 void WirelessApplet::renewDHCP()
 {
 #ifdef MDEBUG
     qDebug( "WIFIAPPLET: Going to request a DHCP configuration renew." );
 #endif
 
     QString pidfile;
     if ( !interface )
         return;
     QString ifacename( interface->getName() );
+
+    // At first we are trying dhcpcd
+
     pidfile.sprintf( "/var/run/dhcpcd-%s.pid", (const char* ) ifacename );
 #ifdef MDEBUG
-    qDebug( "WIFIAPPLET: pidfile is '%s'", (const char*) pidfile );
+    qDebug( "WIFIAPPLET: dhcpcd pidfile is '%s'", (const char*) pidfile );
 #endif
     int pid;
     QFile pfile( pidfile );
     bool hasFile = pfile.open( IO_ReadOnly );
     QTextStream s( &pfile );
     if ( hasFile )
+    {
         s >> pid;
 #ifdef MDEBUG
-        qDebug( "WIFIAPPLET: sent -14 to pid %d", pid );
+        qDebug( "WIFIAPPLET: sent SIGALARM to pid %d", pid );
 #endif
-        kill( pid, -14 );
+        kill( pid, SIGALRM );
+        return;
+    }
 
+    // No dhcpcd, so we are trying udhcpc
+#ifdef MDEBUG
+    qDebug( "WIFIAPPLET: dhcpcd not available." );
+#endif
+    pidfile.sprintf( "/var/run/udhcpc.%s.pid", (const char*) ifacename );
+#ifdef MDEBUG
+    qDebug( "WIFIAPPLET: udhcpc pidfile is '%s'", (const char*) pidfile );
+#endif
+    QFile pfile2( pidfile );
+    hasFile = pfile2.open( IO_ReadOnly );
+    QTextStream s2( &pfile2 );
+    if ( hasFile )
+    {
+        s2 >> pid;
+#ifdef MDEBUG
+        qDebug( "WIFIAPPLET: sent SIGUSR1 to pid %d", pid );
+#endif
+        kill( pid, SIGUSR1 );
+        return;
+    }
 }    
 
 void WirelessApplet::updateDHCPConfig( bool ESSID, bool FREQ, bool AP, bool MODE )
 {
     rocESSID = ESSID;
     rocFREQ = FREQ;
     rocAP = AP;
     rocMODE = MODE;
 }
 
 void WirelessApplet::updateDelayChange( int delay )
 {
     if ( timer )
         killTimer( timer );
     delay *= 1000;
     if ( delay == 0 )
         delay = 50;
     timer = startTimer( delay );
 }
 
 void WirelessApplet::displayStyleChange( int style )
 {
     visualStyle = style;
     repaint();
 }
 
 WirelessApplet::~WirelessApplet()
 {
 }
 
 void WirelessApplet::timerEvent( QTimerEvent* )
 {
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
   
     if ( iface )
     {
         bool statResult = iface->updateStatistics();
         if ( !statResult )
         {
             interface = 0;
             mustRepaint();
             return;
         } else
         if ( mustRepaint() )
         {
             //qDebug( "WIFIAPPLET: A value has changed -> repainting." );
             repaint();
         }
         
         if ( status->isVisible() )
             updatePopupWindow();
     } else checkInterface();
 }
 
 void WirelessApplet::mousePressEvent( QMouseEvent *)
 {   
     if ( status->isVisible() )
          status->hide();
     else
         status->show( true );
 }
 
 bool WirelessApplet::mustRepaint()
 {
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
     
     // check if there are enough changes to justify a (flickering) repaint
     
     // has the interface changed?
     
     if ( iface != oldiface )
     {
         oldiface = iface;
         if ( iface )
         {
 #ifdef MDEBUG
             qDebug( "WIFIAPPLET: We had no interface but now we have one! :-)" );
 #endif
             show();
         }
         else
         {
 #ifdef MDEBUG
             qDebug( "WIFIAPPLET: We had a interface but now we don't have one! ;-(" );
 #endif
             hide();
             return true;
         }
     }
    
     const char** pixmap = getQualityPixmap();
     
     if ( pixmap && ( pixmap != oldpixmap ) )
     {
         oldpixmap = pixmap;
         return true;
     }
     
     int noiseH = iface->noisePercent() * ( height() - 3 ) / 100;
     int signalH = iface->signalPercent() * ( height() - 3 ) / 100;
     int qualityH = iface->qualityPercent() * ( height() - 3 ) / 100;
     
     if ( ( noiseH != oldnoiseH )
       || ( signalH != oldsignalH )
       || ( qualityH != oldqualityH ) )
     {
         oldnoiseH = noiseH;
         oldsignalH = signalH;
         oldqualityH = qualityH;
         return true;
     }
 
     if ( rocESSID && ( oldESSID != iface->essid ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: ESSID has changed.");
 #endif
         renewDHCP();
     }
     else if ( rocFREQ && ( oldFREQ != iface->freq ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: FREQ has changed.");
 #endif
         renewDHCP();
     }
     else if ( rocAP && ( oldAP != iface->APAddr ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: AP has changed.");
 #endif
         renewDHCP();
     }
     else if ( rocMODE && ( oldMODE != iface->mode ) )
     {
 #ifdef MDEBUG
         qDebug( "WIFIAPPLET: MODE has changed.");
 #endif
         renewDHCP();
     }
     
     oldESSID = iface->essid;
     oldMODE = iface->mode;
     oldFREQ = iface->freq;
     oldAP = iface->APAddr;
     
     return false;
 }
 
 void WirelessApplet::updatePopupWindow()
 {
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
     int qualityH = iface->qualityPercent();
 
     if ( status->mgraph )
         status->mgraph->addValue( qualityH, false );
     
     QString freqString;
     QString cell = ( iface->mode == "Managed" ) ? "AP: " : "Cell: ";
     freqString.sprintf( "%.3f GHz", iface->freq );
     status->statusLabel->setText( "Station: " + iface->nick + "<br>" +
                                   "ESSID: " + iface->essid + "<br>" +
                                   "MODE: " + iface->mode + "<br>" +
                                   "FREQ: " + freqString + "<br>" +
                                   cell + " " + iface->APAddr );
 }   
 
 const char** WirelessApplet::getQualityPixmap()
 {    
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
     
     if ( !iface ) return ( const char** ) nowireless_xpm;
     int qualityH = iface->qualityPercent();
     if ( qualityH < 0 ) return ( const char** ) nowireless_xpm;
     
     if ( visualStyle == STYLE_ANTENNA )
     {
         if ( qualityH < 1 ) return ( const char** ) connect0_xpm;
         if ( qualityH < 17 ) return ( const char** ) connect1_xpm; 
         if ( qualityH < 34 ) return ( const char** ) connect2_xpm;
         if ( qualityH < 50 ) return ( const char** ) connect3_xpm;
         if ( qualityH < 65 ) return ( const char** ) connect4_xpm;
         return ( const char** ) connect5_xpm;
     }
     
     return 0; // please draw your bars
 }
 
 void WirelessApplet::paintEvent( QPaintEvent* )
 {
     MWirelessNetworkInterface* iface = ( MWirelessNetworkInterface* ) interface;
 
     QPainter p(this);
     QColor color;
 
     const char** pixmap = getQualityPixmap();
 
     if ( pixmap )
         p.drawPixmap( 0, 1, pixmap );
     else
     {
 
         int noiseH = iface->noisePercent() * ( height() - 3 ) / 100;
         int signalH = iface->signalPercent() * ( height() - 3 ) / 100;
         int qualityH = iface->qualityPercent() * ( height() - 3 ) / 100;
 
         double intensity;
         int pixelHeight;
         int pixelWidth = 2;
         int Hue;
         int barSpace = 3;
         int leftoffset = 0;
         int bottomoffset = 2;
 
         // draw noise indicator
         pixelHeight = noiseH;
         Hue = 50;
         for ( int i = 0; i < pixelHeight; ++i )
         {
             intensity = 50 + ( (double) i / (double) pixelHeight ) * 205;
             color.setHsv( Hue, 255, intensity );
             p.setPen ( color );
             p.drawLine( leftoffset, height()-bottomoffset-i, pixelWidth+leftoffset, height()-bottomoffset-i );
         }
 
         // draw signal indicator
         pixelHeight = signalH;
         Hue = 100;
         leftoffset += pixelWidth + barSpace;
         for ( int i = 0; i < pixelHeight; ++i )
         {
             intensity = 50 + ( (double) i / (double) pixelHeight ) * 205;
             color.setHsv( Hue, 255, intensity );
             p.setPen ( color );
             p.drawLine( leftoffset, height()-bottomoffset-i, pixelWidth+leftoffset, height()-bottomoffset-i );
         }
 
         // draw quality indicator
         pixelHeight = qualityH;
         Hue = 250;
         leftoffset += pixelWidth + barSpace;
         for ( int i = 0; i < pixelHeight; ++i )
         {
             intensity = 50 + ( (double) i / (double) pixelHeight ) * 205;
             color.setHsv( Hue, 255, intensity );
             p.setPen ( color );
             p.drawLine( leftoffset, height()-bottomoffset-i, pixelWidth+leftoffset, height()-bottomoffset-i );
         }
     }    
 }