4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
6 // Stefan Bund <stefan.bund@fokus.fraunhofer.de>
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 // GNU General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #include "TunTapSocketHandle.hh"
29 //#include "TunTapSocketHandle.ih"
32 #include <sys/ioctl.h>
35 #include <linux/if_tun.h>
38 //#include "TunTapSocketHandle.mpp"
40 ///////////////////////////////cc.p////////////////////////////////////////
42 prefix_ void senf::TapProtocol::init_client()
45 init_client(std::string());
48 prefix_ void senf::TapProtocol::init_client(std::string const & interface_name, bool const NO_PI)
52 if ( (fd = ::open("/dev/net/tun", O_RDWR)) < 0 )
55 ::memset( &ifr, 0, sizeof(ifr));
56 ifr.ifr_flags = IFF_TAP;
58 ifr.ifr_flags |= IFF_NO_PI;
59 interface_name.copy( ifr.ifr_name, IFNAMSIZ);
60 if (::ioctl(fd, TUNSETIFF, (void *) &ifr) < 0 )
65 prefix_ std::auto_ptr<senf::SocketProtocol> senf::TapProtocol::clone()
68 return std::auto_ptr<SocketProtocol>(new TapProtocol());
71 prefix_ unsigned senf::TapProtocol::available()
74 if (! body().readable())
76 ssize_t l = ::recv(body().fd(),0,0,MSG_PEEK | MSG_TRUNC);
84 #include <linux/sockios.h> // for SIOCINQ / SIOCOUTQ
86 prefix_ unsigned senf::TapProtocol::available()
89 if (! body().readable())
92 if (::ioctl(body().fd(),SIOCINQ,&n) < 0)
98 prefix_ bool senf::TapProtocol::eof()
104 ///////////////////////////////cc.e////////////////////////////////////////
106 //#include "TunTapSocketHandle.mpp"
112 // c-file-style: "senf"
113 // indent-tabs-mode: nil
114 // ispell-local-dictionary: "american"
115 // compile-command: "scons -u test"
116 // comment-column: 40