API extension: ONetwork::isPresent( const char* name )

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
@@ -135,24 +135,35 @@ 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

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
@@ -85,24 +85,28 @@ class ONetwork : public QObject
      * @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