basis/unix/linux/route/route.factor

   1
   2 USING: alien.syntax ;
   3
   4 IN: unix.linux.route
   5
   6 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
   7
   8 C-STRUCT: struct-rtentry
   9   { "ulong"           "rt_pad1" }
  10   { "struct-sockaddr" "rt_dst" }
  11   { "struct-sockaddr" "rt_gateway" }
  12   { "struct-sockaddr" "rt_genmask" }
  13   { "ushort"          "rt_flags" }
  14   { "short"           "rt_pad2" }
  15   { "ulong"           "rt_pad3" }
  16   { "uchar"           "rt_tos" }
  17   { "uchar"           "rt_class" }
  18   { "short"           "rt_pad4" }
  19   { "short"           "rt_metric" }
  20   { "char*"           "rt_dev" }
  21   { "ulong"           "rt_mtu" }
  22   { "ulong"           "rt_window" }
  23   { "ushort"          "rt_irtt" } ;
  24
  25 : RTF_UP         HEX: 0001 ;            ! Route usable.
  26 : RTF_GATEWAY    HEX: 0002 ;            ! Destination is a gateway.
  27
  28 : RTF_HOST       HEX: 0004 ;            ! Host entry (net otherwise).
  29 : RTF_REINSTATE  HEX: 0008 ;            ! Reinstate route after timeout.
  30 : RTF_DYNAMIC    HEX: 0010 ;            ! Created dyn. (by redirect).
  31 : RTF_MODIFIED   HEX: 0020 ;            ! Modified dyn. (by redirect).
  32 : RTF_MTU        HEX: 0040 ;            ! Specific MTU for this route.
  33 : RTF_MSS        RTF_MTU ;              ! Compatibility.
  34 : RTF_WINDOW     HEX: 0080 ;            ! Per route window clamping.
  35 : RTF_IRTT       HEX: 0100 ;            ! Initial round trip time.
  36 : RTF_REJECT     HEX: 0200 ;            ! Reject route.
  37 : RTF_STATIC     HEX: 0400 ;            ! Manually injected route.
  38 : RTF_XRESOLVE   HEX: 0800 ;            ! External resolver.
  39 : RTF_NOFORWARD  HEX: 1000 ;            ! Forwarding inhibited.
  40 : RTF_THROW      HEX: 2000 ;            ! Go to next class.
  41 : RTF_NOPMTUDISC HEX: 4000 ;            ! Do not send packets with DF.
  42
  43 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  44
  45 USING: kernel alien.c-types io.sockets
  46        unix unix.linux.sockios ;
  47
  48 : route ( dst gateway genmask flags -- )
  49   >r >r >r >r
  50   "struct-rtentry" <c-object>
  51   r> 0 <inet4> make-sockaddr over set-struct-rtentry-rt_dst
  52   r> 0 <inet4> make-sockaddr over set-struct-rtentry-rt_gateway
  53   r> 0 <inet4> make-sockaddr over set-struct-rtentry-rt_genmask
  54   r>                         over set-struct-rtentry-rt_flags
  55   AF_INET SOCK_DGRAM 0 socket SIOCADDRT rot ioctl drop ;