X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Socket%2FNetdeviceController.cc;h=37c255f68a79edcbf0ffdf8af83607a392ac5b2d;hb=26d3a25e9afa95c1daff06878a29e45cf811d18b;hp=b93998c044ff21daa3bee505d468bfe45d95be0c;hpb=ab05c3d687d911b4d204aa20bf900dc23d174545;p=senf.git

diff --git a/Socket/NetdeviceController.cc b/Socket/NetdeviceController.cc
index b93998c..37c255f 100644
--- a/Socket/NetdeviceController.cc
+++ b/Socket/NetdeviceController.cc
@@ -68,6 +68,14 @@ prefix_ senf::MACAddress senf::NetdeviceController::hardwareAddress()
     return senf::MACAddress::from_data( ifr.ifr_hwaddr.sa_data);
 }
 
+prefix_ void senf::NetdeviceController::hardwareAddress(const MACAddress &newAddress) {
+    struct ifreq ifr;
+    ifrName( ifr);
+    ifr.ifr_hwaddr.sa_family = 1; // TODO: lookup named constant; PF_LOCAL ???
+    std::copy(newAddress.begin(), newAddress.end(), ifr.ifr_hwaddr.sa_data);
+    doIoctl( ifr, SIOCSIFHWADDR);
+}
+
 prefix_ int senf::NetdeviceController::mtu()
     const
 {
@@ -78,7 +86,6 @@ prefix_ int senf::NetdeviceController::mtu()
 }
 
 prefix_ void senf::NetdeviceController::mtu(int new_mtu)
-    const
 {
     struct ifreq ifr;
     ifrName( ifr);
@@ -101,7 +108,7 @@ prefix_ void senf::NetdeviceController::openSocket()
 {
     sockfd_ = ::socket( PF_INET, SOCK_DGRAM, 0);
     if ( sockfd_ < 0)
-        throw SystemException();
+        SENF_THROW_SYSTEM_EXCEPTION("Could not open socket for NetdeviceController.");
 }
 
 prefix_ void senf::NetdeviceController::ifrName(ifreq& ifr)
@@ -110,22 +117,22 @@ prefix_ void senf::NetdeviceController::ifrName(ifreq& ifr)
     ::memset( &ifr, 0, sizeof(ifr));
     ifr.ifr_ifindex = ifindex_;
     if ( ::ioctl( sockfd_, SIOCGIFNAME, &ifr ) < 0 )
-        throw SystemException();
+        SENF_THROW_SYSTEM_EXCEPTION("NetdeviceController")
+        << " could not discover the name of the interface with index " << ifindex_ << ".";
 }
 
-
 prefix_ void senf::NetdeviceController::doIoctl(ifreq& ifr, int request)
     const
 {
     if ( ::ioctl( sockfd_, request, &ifr ) < 0 )
-        throw SystemException();
+        SENF_THROW_SYSTEM_EXCEPTION("NetdeviceController::doIoctl failed.");
 }
 
 ///////////////////////////////cc.e////////////////////////////////////////
 #undef prefix_
 //#include "NetdeviceController.mpp"
 
-
+
 // Local Variables:
 // mode: c++
 // fill-column: 100