X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Socket%2FNetdeviceController.cc;h=a8f6a195c4b861c0c2b3340d6d3ba14d13e4d21c;hb=bd9f9d3fd6fbcff0112a7bf48ab9284da9576b11;hp=345679b382bf6974cf6e3b32dc9ce109c3ea3dad;hpb=c5ebf1fef99c27a3fdc02a70bff041ac881f4c32;p=senf.git diff --git a/Socket/NetdeviceController.cc b/Socket/NetdeviceController.cc index 345679b..a8f6a19 100644 --- a/Socket/NetdeviceController.cc +++ b/Socket/NetdeviceController.cc @@ -37,8 +37,8 @@ ///////////////////////////////cc.p//////////////////////////////////////// prefix_ senf::NetdeviceController::NetdeviceController(std::string const & interface_name) + : sockfd_ (sockfd()) { - openSocket(); struct ifreq ifr; ::memset( &ifr, 0, sizeof(ifr)); interface_name.copy( ifr.ifr_name, IFNAMSIZ); @@ -47,8 +47,8 @@ prefix_ senf::NetdeviceController::NetdeviceController(std::string const & inter } prefix_ senf::NetdeviceController::NetdeviceController(int interface_index) + : sockfd_ (sockfd()) { - openSocket(); ifindex_ = interface_index; } @@ -136,22 +136,37 @@ prefix_ void senf::NetdeviceController::promisc(bool mode) doIoctl( ifr, SIOCSIFFLAGS); } -prefix_ int senf::NetdeviceController::interfaceIndex() +prefix_ bool senf::NetdeviceController::isUp() const { - return ifindex_; + struct ifreq ifr; + ifrName(ifr); + doIoctl(ifr, SIOCGIFFLAGS); + return ifr.ifr_flags & IFF_UP; } -prefix_ senf::NetdeviceController::~NetdeviceController() +prefix_ void senf::NetdeviceController::up() { - close( sockfd_); + struct ifreq ifr; + ifrName(ifr); + doIoctl(ifr, SIOCGIFFLAGS); + ifr.ifr_flags |= IFF_UP; + doIoctl(ifr, SIOCSIFFLAGS); } -prefix_ void senf::NetdeviceController::openSocket() +prefix_ void senf::NetdeviceController::down() { - sockfd_ = ::socket( PF_INET, SOCK_DGRAM, 0); - if ( sockfd_ < 0) - SENF_THROW_SYSTEM_EXCEPTION("Could not open socket for NetdeviceController."); + struct ifreq ifr; + ifrName(ifr); + doIoctl(ifr, SIOCGIFFLAGS); + ifr.ifr_flags &= ~IFF_UP; + doIoctl(ifr, SIOCSIFFLAGS); +} + +prefix_ int senf::NetdeviceController::interfaceIndex() + const +{ + return ifindex_; } prefix_ void senf::NetdeviceController::ifrName(ifreq& ifr) @@ -159,7 +174,7 @@ prefix_ void senf::NetdeviceController::ifrName(ifreq& ifr) { ::memset( &ifr, 0, sizeof(ifr)); ifr.ifr_ifindex = ifindex_; - if ( ::ioctl( sockfd_, SIOCGIFNAME, &ifr ) < 0 ) + if ( ::ioctl( sockfd_->fd, SIOCGIFNAME, &ifr ) < 0 ) SENF_THROW_SYSTEM_EXCEPTION("NetdeviceController") << " could not discover the name of the interface with index " << ifindex_ << "."; } @@ -167,10 +182,36 @@ prefix_ void senf::NetdeviceController::ifrName(ifreq& ifr) prefix_ void senf::NetdeviceController::doIoctl(ifreq& ifr, int request) const { - if ( ::ioctl( sockfd_, request, &ifr ) < 0 ) + if ( ::ioctl( sockfd_->fd, request, &ifr ) < 0 ) SENF_THROW_SYSTEM_EXCEPTION("NetdeviceController::doIoctl failed."); } +/////////////////////////////////////////////////////////////////////////// +// senf::NetdeviceController::SockFd + +prefix_ senf::NetdeviceController::SockFd::SockFd() + : fd (::socket(PF_INET, SOCK_DGRAM, 0)) +{ + if ( fd < 0) + SENF_THROW_SYSTEM_EXCEPTION("Could not open socket for NetdeviceController."); + std::cerr << ">>Made SockFd: " << fd << std::endl; +} + +prefix_ senf::NetdeviceController::SockFd::~SockFd() +{ + std::cerr << ">>Dispose SockFd: " << fd << std::endl; + ::close(fd); +} + +prefix_ senf::NetdeviceController::SockFd::ptr senf::NetdeviceController::sockfd() +{ + static boost::weak_ptr sockfd; + SockFd::ptr p (sockfd.lock()); + if (!p) + sockfd = p = SockFd::ptr(new SockFd()); + return p; +} + ///////////////////////////////cc.e//////////////////////////////////////// #undef prefix_ //#include "NetdeviceController.mpp"