X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Socket%2FProtocols%2FRaw%2FTunTapSocketHandle.cc;h=80d72bcc2522efa92b35de848bd65905b136bbd4;hb=1ad3873b372da6187b1fbc645bf276287d2efb54;hp=cd46920309434146de72f0bd321ad8399d6eb77e;hpb=90ba247d06107cff657ad3e6310f8dde7c808c95;p=senf.git

diff --git a/Socket/Protocols/Raw/TunTapSocketHandle.cc b/Socket/Protocols/Raw/TunTapSocketHandle.cc
index cd46920..80d72bc 100644
--- a/Socket/Protocols/Raw/TunTapSocketHandle.cc
+++ b/Socket/Protocols/Raw/TunTapSocketHandle.cc
@@ -1,4 +1,4 @@
-// $Id: PacketSocketHandle.cc 358 2007-07-27 12:14:51Z g0dil $
+// $Id$
 //
 // Copyright (C) 2006
 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
@@ -48,18 +48,18 @@ 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()
@@ -69,15 +69,31 @@ prefix_ std::auto_ptr<senf::SocketProtocol> senf::TapProtocol::clone()
 }
 
 prefix_ unsigned senf::TapProtocol::available()
-    const
+  const
+{
+  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
 {
-    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