| -rw-r--r-- | libopie2/opienet/onetwork.cpp | 11 | ||||
| -rw-r--r-- | libopie2/opienet/onetwork.h | 4 |
2 files changed, 15 insertions, 0 deletions
diff --git a/libopie2/opienet/onetwork.cpp b/libopie2/opienet/onetwork.cpp index 915814d..e5b091f 100644 --- a/libopie2/opienet/onetwork.cpp +++ b/libopie2/opienet/onetwork.cpp @@ -83,128 +83,139 @@ void ONetwork::synchronize() _interfaces.clear();
QString str;
QFile f( "/proc/net/dev" );
bool hasFile = f.open( IO_ReadOnly );
if ( !hasFile )
{
odebug << "ONetwork: /proc/net/dev not existing. No network devices available" << oendl;
return;
}
QTextStream s( &f );
s.readLine();
s.readLine();
while ( !s.atEnd() )
{
s >> str;
str.truncate( str.find( ':' ) );
odebug << "ONetwork: found interface '" << str << "'" << oendl;
ONetworkInterface* iface;
if ( isWirelessInterface( str ) )
{
iface = new OWirelessNetworkInterface( this, (const char*) str );
odebug << "ONetwork: interface '" << str << "' has Wireless Extensions" << oendl;
}
else
{
iface = new ONetworkInterface( this, (const char*) str );
}
_interfaces.insert( str, iface );
s.readLine();
}
}
short ONetwork::wirelessExtensionVersion()
{
return WIRELESS_EXT;
}
int ONetwork::count() const
{
return _interfaces.count();
}
ONetworkInterface* ONetwork::interface( const QString& iface ) const
{
return _interfaces[iface];
}
ONetwork* ONetwork::instance()
{
if ( !_instance ) _instance = new ONetwork();
return _instance;
}
ONetwork::InterfaceIterator ONetwork::iterator() const
{
return ONetwork::InterfaceIterator( _interfaces );
}
+bool ONetwork::isPresent( const char* name ) const
+{
+ int sfd = socket( AF_INET, SOCK_STREAM, 0 );
+ struct ifreq ifr;
+ memset( &ifr, 0, sizeof( struct ifreq ) );
+ strcpy( (char*) &ifr.ifr_name, name );
+ int result = ::ioctl( sfd, SIOCGIFFLAGS, &ifr );
+ return result != -1;
+}
+
+
bool ONetwork::isWirelessInterface( const char* name ) const
{
int sfd = socket( AF_INET, SOCK_STREAM, 0 );
struct iwreq iwr;
memset( &iwr, 0, sizeof( struct iwreq ) );
strcpy( (char*) &iwr.ifr_name, name );
int result = ::ioctl( sfd, SIOCGIWNAME, &iwr );
return result != -1;
}
/*======================================================================================
* ONetworkInterface
*======================================================================================*/
ONetworkInterface::ONetworkInterface( QObject* parent, const char* name )
:QObject( parent, name ),
_sfd( socket( AF_INET, SOCK_DGRAM, 0 ) ), _mon( 0 )
{
odebug << "ONetworkInterface::ONetworkInterface()" << oendl;
init();
}
struct ifreq& ONetworkInterface::ifr() const
{
return _ifr;
}
void ONetworkInterface::init()
{
odebug << "ONetworkInterface::init()" << oendl;
memset( &_ifr, 0, sizeof( struct ifreq ) );
if ( _sfd == -1 )
{
odebug << "ONetworkInterface::init(): Warning - can't get socket for device '" << name() << "'" << oendl;
return;
}
}
bool ONetworkInterface::ioctl( int call, struct ifreq& ifreq ) const
{
#ifndef NODEBUG
int result = ::ioctl( _sfd, call, &ifreq );
if ( result == -1 )
odebug << "ONetworkInterface::ioctl (" << name() << ") call '" << debugmapper->map( call )
<< "' FAILED! " << result << " (" << strerror( errno ) << ")" << oendl;
else
odebug << "ONetworkInterface::ioctl (" << name() << ") call '" << debugmapper->map( call )
<< "' - Status: Ok." << oendl;
return ( result != -1 );
#else
return ::ioctl( _sfd, call, &ifreq ) != -1;
#endif
}
bool ONetworkInterface::ioctl( int call ) const
{
strcpy( _ifr.ifr_name, name() );
return ioctl( call, _ifr );
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h index 0a51108..93b129f 100644 --- a/libopie2/opienet/onetwork.h +++ b/libopie2/opienet/onetwork.h @@ -33,128 +33,132 @@ #if !defined( OPIE_WE_VERSION ) #error Need to define a wireless extension version to build against! #endif #if OPIE_WE_VERSION == 15 #include "wireless.15.h" #endif #if OPIE_WE_VERSION == 16 #include "wireless.16.h" #endif /* OPIE */ #include <opie2/onetutils.h> #include <opie2/ostation.h> /* QT */ #include <qvaluelist.h> #include <qdict.h> #include <qmap.h> #include <qobject.h> #include <qhostaddress.h> class ONetworkInterface; class OWirelessNetworkInterface; class OChannelHopper; class OMonitoringInterface; /*====================================================================================== * ONetwork *======================================================================================*/ /** * @brief A container class for all network interfaces * * This class provides access to all available network interfaces of your computer. * * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class ONetwork : public QObject { Q_OBJECT public: typedef QDict<ONetworkInterface> InterfaceMap; typedef QDictIterator<ONetworkInterface> InterfaceIterator; public: /** * @returns the number of available interfaces */ int count() const; /** * @returns a pointer to the (one and only) @ref ONetwork instance. */ static ONetwork* instance(); /** * @returns an iterator usable for iterating through all network interfaces. */ InterfaceIterator iterator() const; /** + * @returns true, if the @a interface is present. + */ + bool isPresent( const char* interface ) const; + /** * @returns true, if the @a interface supports the wireless extension protocol. */ bool isWirelessInterface( const char* interface ) const; /** * @returns a pointer to the @ref ONetworkInterface object for the specified @a interface or 0, if not found. * @see ONetworkInterface */ ONetworkInterface* interface( const QString& interface ) const; /** * @internal Rebuild the internal interface database * @note Sometimes it might be useful to call this from client code, * e.g. after issuing a cardctl insert */ void synchronize(); /** * @returns the wireless extension version used at compile time. **/ static short wirelessExtensionVersion(); protected: ONetwork(); private: static ONetwork* _instance; InterfaceMap _interfaces; }; /*====================================================================================== * ONetworkInterface *======================================================================================*/ /** * @brief A network interface wrapper. * * This class provides a wrapper for a network interface. All the cumbersume details of * Linux ioctls are hidden under a convenient high-level interface. * @warning Most of the setting methods contained in this class require the appropriate * process permissions to work. * * @author Michael 'Mickey' Lauer <mickey@vanille.de> */ class ONetworkInterface : public QObject { friend class OMonitoringInterface; friend class OCiscoMonitoringInterface; friend class OWlanNGMonitoringInterface; friend class OHostAPMonitoringInterface; friend class OOrinocoMonitoringInterface; public: /** * Constructor. Normally you don't create @ref ONetworkInterface objects yourself, * but access them via @ref ONetwork::interface(). */ ONetworkInterface( QObject* parent, const char* name ); /** * Destructor. */ virtual ~ONetworkInterface(); /** * Associates a @a monitoring interface with this network interface. * @note This is currently only useful with @ref OWirelessNetworkInterface objects. */ |