Diffstat (limited to 'noncore/net/wellenreiter/gui/wellenreiter.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r-- | noncore/net/wellenreiter/gui/wellenreiter.cpp | 48 |
1 files changed, 46 insertions, 2 deletions
diff --git a/noncore/net/wellenreiter/gui/wellenreiter.cpp b/noncore/net/wellenreiter/gui/wellenreiter.cpp index 40cd105..12b3978 100644 --- a/noncore/net/wellenreiter/gui/wellenreiter.cpp +++ b/noncore/net/wellenreiter/gui/wellenreiter.cpp @@ -55,12 +55,15 @@ using namespace Opie::Ui; #include <assert.h> #include <errno.h> #include <unistd.h> #include <string.h> #include <sys/types.h> #include <stdlib.h> +#include <signal.h> + +Wellenreiter* Wellenreiter::instance = 0; Wellenreiter::Wellenreiter( QWidget* parent ) : WellenreiterBase( parent, 0, 0 ), sniffing( false ), iface( 0 ), configwindow( 0 ) { @@ -84,28 +87,59 @@ Wellenreiter::Wellenreiter( QWidget* parent ) pcap->setAutoDelete( false ); gps = new GPS( this ); QTimer::singleShot( 1000, this, SLOT( initialTimer() ) ); + registerSignalHandler(); } Wellenreiter::~Wellenreiter() { delete pcap; + //unregisterSignalHandler(); } void Wellenreiter::initialTimer() { - odebug << "Wellenreiter::preloading manufacturer database..." << oendl; + odebug << "preloading manufacturer database..." << oendl; OManufacturerDB::instance(); } +void Wellenreiter::signalHandler( int sig ) +{ + oerr << "Aye! Received SIGSEGV or SIGBUS! Trying to exit gracefully..." << oendl; + if ( Wellenreiter::instance->sniffing ) + { + Wellenreiter::instance->pcap->close(); + Wellenreiter::instance->stopClicked(); + } + oerr << "Phew. Seemed to work." << oendl; + ::exit( -1 ); +} + + +void Wellenreiter::registerSignalHandler() +{ + Wellenreiter::instance = this; + struct sigaction action; + + action.sa_handler = Wellenreiter::signalHandler; + if (sigemptyset(&action.sa_mask)) + oerr << "sigemptyset() failure:" << strerror( errno ) << oendl; + if (sigaction(SIGSEGV, &action, NULL)) + oerr << "can't set up a signal handler for SIGSEGV:" << strerror( errno ) << oendl; + if (sigaction(SIGBUS, &action, NULL)) + oerr << "can't set up a signal handler for SIGBUS:" << strerror( errno ) << oendl; + odebug << "signal handlers setup." << oendl; +} + + void Wellenreiter::setConfigWindow( WellenreiterConfigWindow* cw ) { configwindow = cw; } @@ -499,13 +533,13 @@ void Wellenreiter::startClicked() const int cardtype = configwindow->driverType(); const int interval = configwindow->hoppingInterval(); if ( ( interface == "" ) || ( cardtype == 0 ) ) { QMessageBox::information( this, "Wellenreiter II", - tr( "Your device is not\nproperly configured. Please reconfigure!" ) ); + tr( "No device configured.\nPlease reconfigure!" ) ); return; } // configure device ONetwork* net = ONetwork::instance(); @@ -529,12 +563,22 @@ void Wellenreiter::startClicked() if ( !iface->isUp() ) { QMessageBox::warning( this, "Wellenreiter II", tr( "Can't bring interface '%1' up:\n" ).arg( iface->name() ) + strerror( errno ) ); return; } + + // check if wireless extension version matches + if ( ONetwork::wirelessExtensionCompileVersion() != iface->wirelessExtensionDriverVersion() ) + { + QMessageBox::critical( this, "Wellenreiter II", tr( "<p>The Wireless Extension Versions<br>are not matching!<p>" + " Wellenreiter II : WE V%1<br>Interface driver: WE V%2" ) + .arg( QString::number( ONetwork::wirelessExtensionCompileVersion() ) ) + .arg( QString::number( iface->wirelessExtensionDriverVersion() ) ) ); + return; + } } // set monitor mode bool usePrism = configwindow->usePrismHeader(); switch ( cardtype ) { |