removed some useless spaces; not very important, I know :)

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

diff --git a/Socket/Protocols/Raw/TunTapSocketHandle.cc b/Socket/Protocols/Raw/TunTapSocketHandle.cc
index cd46920..2cf8670 100644 (file)
--- a/Socket/Protocols/Raw/TunTapSocketHandle.cc
+++ b/Socket/Protocols/Raw/TunTapSocketHandle.cc
@@ -1,9 +1,9 @@
-// $Id: PacketSocketHandle.cc 358 2007-07-27 12:14:51Z g0dil $
+// $Id$
 //
 // Copyright (C) 2006
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
-//     Stefan Bund <stefan.bund@fokus.fraunhofer.de>
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
+//     Stefan Bund <g0dil@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
@@ -48,36 +48,46 @@ prefix_ void senf::TapProtocol::init_client()
 prefix_ void senf::TapProtocol::init_client(std::string const & interface_name, bool const NO_PI) 
     const
 {
-    int fd;
-    if ( (fd = ::open("/dev/net/tun", O_RDWR)) < 0 )
-        throw SystemException(errno);
+    int f;
+    if ( (f = ::open("/dev/net/tun", O_RDWR)) < 0 )
+        throwErrno();
     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(fd, TUNSETIFF, (void *) &ifr) < 0 )
-        throw SystemException(errno);
-    body().fd(fd);
+    if (::ioctl(f, TUNSETIFF, (void *) &ifr) < 0 )
+        throwErrno();
+    fd(f);
 }
 
-prefix_ std::auto_ptr<senf::SocketProtocol> senf::TapProtocol::clone()
-    const
+prefix_ unsigned senf::TapProtocol::available()
+  const
 {
-    return std::auto_ptr<SocketProtocol>(new TapProtocol());
+  if (! fh().readable())
+      return 0;
+  ssize_t l = ::recv(fd(),0,0,MSG_PEEK | MSG_TRUNC);
+  if (l < 0)
+      //throwErrno();
+      return 1588;
+  return l;
 }
 
+/*
+#include <linux/sockios.h> // for SIOCINQ / SIOCOUTQ
+
 prefix_ unsigned senf::TapProtocol::available()
-    const
+  const
 {
-    if (! body().readable())
-        return 0;
-    ssize_t l = ::recv(body().fd(),0,0,MSG_PEEK | MSG_TRUNC);
-    if (l < 0)
-        throw SystemException(errno);
-    return l;
+  if (! body().readable())
+      return 0;
+  int n;
+  if (::ioctl(body().fd(),SIOCINQ,&n) < 0)
+      throwErrno();
+  return n;
 }
+*/
 
 prefix_ bool senf::TapProtocol::eof()
     const