Move sourcecode into 'senf/' directory

[senf.git] / senf / Socket / Protocols / Raw / TunTapSocketHandle.cc

diff --git a/senf/Socket/Protocols/Raw/TunTapSocketHandle.cc b/senf/Socket/Protocols/Raw/TunTapSocketHandle.cc
new file mode 100644 (file)
index 0000000..f2be645
--- /dev/null
+++ b/senf/Socket/Protocols/Raw/TunTapSocketHandle.cc
@@ -0,0 +1,126 @@
+// $Id$
+//
+// Copyright (C) 2008
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Thorsten Horstmann <tho@berlios.de>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+/** \file
+    \brief
+
+ */
+
+#include "TunTapSocketHandle.hh"
+//#include "TunTapSocketHandle.ih"
+
+// Custom includes
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <net/if.h>
+#include <linux/if_tun.h>
+#include <errno.h>
+
+//#include "TunTapSocketHandle.mpp"
+#define prefix_
+///////////////////////////////cc.p////////////////////////////////////////
+
+prefix_ void senf::TapSocketProtocol::init_client()
+    const
+{
+    init_client(std::string());
+}
+
+prefix_ void senf::TapSocketProtocol::init_client(std::string const & interface_name, bool NO_PI)
+    const
+{
+    int f;
+    if ( (f = ::open("/dev/net/tun", O_RDWR)) < 0 )
+        SENF_THROW_SYSTEM_EXCEPTION("Could not open tap control device: /dev/net/tun.");
+    struct ifreq ifr;
+    ::memset( &ifr, 0, sizeof(ifr));
+    ifr.ifr_flags = IFF_TAP;
+    if (NO_PI)
+        ifr.ifr_flags |= IFF_NO_PI;
+    interface_name.copy( ifr.ifr_name, IFNAMSIZ);
+    if (::ioctl(f, TUNSETIFF, (void *) &ifr) < 0 )
+        SENF_THROW_SYSTEM_EXCEPTION( "Could not create tap device: ") << ifr.ifr_name << ".";
+    ifaceIndex_ = if_nametoindex(ifr.ifr_name);
+    fd(f);
+}
+
+prefix_ unsigned senf::TapSocketProtocol::available()
+  const
+{
+    if (!fh().readable())
+        return 0;
+    ssize_t l = ::recv(fd(), 0, 0, MSG_PEEK | MSG_TRUNC);
+    if (l < 0)
+        //SENF_THROW_SYSTEM_EXCEPTION("");
+        return 1588;
+    return l;
+}
+
+/*
+#include <linux/sockios.h> // for SIOCINQ / SIOCOUTQ
+
+prefix_ unsigned senf::TapSocketProtocol::available()
+  const
+{
+  if (! body().readable())
+      return 0;
+  int n;
+  if (::ioctl(body().fd(),SIOCINQ,&n) < 0)
+      SENF_THROW_SYSTEM_EXCEPTION("");
+  return n;
+}
+*/
+
+prefix_ bool senf::TapSocketProtocol::eof()
+    const
+{
+    return false;
+}
+
+prefix_ unsigned int senf::TapSocketProtocol::ifaceIndex()
+    const
+{
+    return ifaceIndex_;
+}
+
+prefix_ std::string senf::TapSocketProtocol::ifaceName()
+    const
+{
+    char buf[IF_NAMESIZE];
+    if_indextoname(ifaceIndex_, buf);
+    return std::string(buf);
+}
+
+///////////////////////////////cc.e////////////////////////////////////////
+#undef prefix_
+//#include "TunTapSocketHandle.mpp"
+
+
+// Local Variables:
+// mode: c++
+// fill-column: 100
+// c-file-style: "senf"
+// indent-tabs-mode: nil
+// ispell-local-dictionary: "american"
+// compile-command: "scons -u test"
+// comment-column: 40
+// End: