factor/basis/io/sockets/icmp/icmp.factor

62 lines
1.1 KiB
Factor

! Copyright (C) 2010 John Benediktsson
! See http://factorcode.org/license.txt for BSD license
USING: accessors arrays combinators generic kernel io.sockets
io.sockets.private memoize sequences system vocabs.parser ;
IN: io.sockets.icmp
<< {
{ [ os windows? ] [ "windows.winsock" ] }
{ [ os unix? ] [ "unix.ffi" ] }
} cond use-vocab >>
<PRIVATE
MEMO: IPPROTO_ICMP4 ( -- protocol )
"icmp" getprotobyname proto>> ;
MEMO: IPPROTO_ICMP6 ( -- protocol )
"ipv6-icmp" getprotobyname proto>> ;
GENERIC: with-icmp ( addrspec -- addrspec )
PRIVATE>
TUPLE: icmp4 < ipv4 ;
C: <icmp4> icmp4
M: ipv4 with-icmp host>> <icmp4> ;
M: icmp4 protocol drop IPPROTO_ICMP4 ;
M: icmp4 port>> drop 0 ;
M: icmp4 parse-sockaddr call-next-method with-icmp ;
M: icmp4 resolve-host 1array ;
TUPLE: icmp6 < ipv6 ;
: <icmp6> ( host -- icmp6 ) 0 icmp6 boa ;
M: ipv6 with-icmp host>> <icmp6> ;
M: icmp6 protocol drop IPPROTO_ICMP6 ;
M: icmp6 port>> drop 0 ;
M: icmp6 parse-sockaddr call-next-method with-icmp ;
M: icmp6 resolve-host 1array ;
TUPLE: icmp < hostname ;
C: <icmp> icmp
M: icmp resolve-host call-next-method [ with-icmp ] map ;