Annotation of gforth/unix/socket.fs, revision 1.7
1.1 pazsan 1: \ socket interface
2:
1.6 anton 3: \ Copyright (C) 1998,2000,2003,2005 Free Software Foundation, Inc.
1.1 pazsan 4:
5: \ This file is part of Gforth.
6:
7: \ Gforth is free software; you can redistribute it and/or
8: \ modify it under the terms of the GNU General Public License
9: \ as published by the Free Software Foundation; either version 2
10: \ of the License, or (at your option) any later version.
11:
12: \ This program is distributed in the hope that it will be useful,
13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15: \ GNU General Public License for more details.
16:
17: \ You should have received a copy of the GNU General Public License
18: \ along with this program; if not, write to the Free Software
19: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
20:
21: require lib.fs
22: [IFUNDEF] libc library libc libc.so.6 [THEN]
23:
1.4 pazsan 24: libc gethostbyname ptr (ptr) gethostbyname ( name -- hostent )
25: libc socket int int int (int) socket ( class type proto -- fd )
26: libc connect int ptr int (int) connect ( fd sock size -- err )
27: libc fdopen int ptr (ptr) fdopen ( fd fileattr -- file )
28: libc htonl int (int) htonl ( x -- x' )
29:
30: 4 4 2Constant int%
1.1 pazsan 31:
32: struct
33: cell% field h_name
34: cell% field h_aliases
1.4 pazsan 35: int% field h_addrtype
36: int% field h_length
1.1 pazsan 37: cell% field h_addr_list
38: end-struct hostent
39:
40: struct
1.4 pazsan 41: int% field family+port
42: int% field sin_addr
1.1 pazsan 43: cell% 2* field padding
44: end-struct sockaddr_in
45:
46: Create sockaddr-tmp
47: sockaddr-tmp sockaddr_in %size dup allot erase
48:
49: : c-string ( addr u -- addr' )
50: tuck pad swap move pad + 0 swap c! pad ;
51:
52: : host>addr ( addr u -- x )
53: \G converts a internet name into a IPv4 address
54: \G the resulting address is in network byte order
55: c-string gethostbyname dup 0= abort" address not found"
56: h_addr_list @ @ @ ;
57:
58: 2 Constant PF_INET
59: 1 Constant SOCK_STREAM
60: 6 Constant IPPROTO_TCP
61:
62: : open-socket ( addr u port -- fid )
63: htonl PF_INET [ base c@ 0= ] [IF] $10 lshift [THEN]
1.7 ! pazsan 64: or sockaddr-tmp family+port l!
! 65: host>addr sockaddr-tmp sin_addr l!
1.1 pazsan 66: PF_INET SOCK_STREAM IPPROTO_TCP socket
67: dup 0<= abort" no free socket" >r
68: r@ sockaddr-tmp $10 connect 0< abort" can't connect"
69: r> s" w+" c-string fdopen ;
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