Annotation of gforth/unix/socket.fs, revision 1.14
1.1 pazsan 1: \ socket interface
2:
1.14 ! anton 3: \ Copyright (C) 1998,2000,2003,2005,2006,2007 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
1.8 pazsan 22: [IFUNDEF] libc
23: s" os-type" environment? [IF]
24: 2dup s" linux-gnu" str= [IF] 2drop
25: library libc libc.so.6
26: [ELSE] 2dup s" cygwin" str= [IF] 2drop
27: library libc cygwin1.dll
1.13 pazsan 28: [ELSE] 2dup s" bsd" search nip nip [IF] 2drop
1.9 pazsan 29: library libc libc.so
1.13 pazsan 30: [ELSE] 2dup s" darwin" string-prefix? [IF] 2drop
31: library libc libc.dylib
32: [ELSE] 2drop \ or add your stuff here
33: [THEN]
1.8 pazsan 34: [THEN]
35: [THEN]
36: [THEN]
37: [THEN]
38: [THEN]
1.1 pazsan 39:
1.4 pazsan 40: libc gethostbyname ptr (ptr) gethostbyname ( name -- hostent )
41: libc socket int int int (int) socket ( class type proto -- fd )
42: libc connect int ptr int (int) connect ( fd sock size -- err )
43: libc fdopen int ptr (ptr) fdopen ( fd fileattr -- file )
44: libc htonl int (int) htonl ( x -- x' )
1.8 pazsan 45: libc htons int (int) htons ( x -- x' )
46: libc ntohl int (int) ntohl ( x -- x' )
1.4 pazsan 47:
48: 4 4 2Constant int%
1.8 pazsan 49: 2 2 2Constant short%
1.1 pazsan 50:
51: struct
52: cell% field h_name
53: cell% field h_aliases
1.4 pazsan 54: int% field h_addrtype
55: int% field h_length
1.1 pazsan 56: cell% field h_addr_list
57: end-struct hostent
58:
59: struct
1.8 pazsan 60: short% field family
61: short% field port
1.4 pazsan 62: int% field sin_addr
1.1 pazsan 63: cell% 2* field padding
64: end-struct sockaddr_in
65:
1.12 anton 66: ' family alias family+port \ 0.6.2 32-bit field; used by itools
67:
1.1 pazsan 68: Create sockaddr-tmp
69: sockaddr-tmp sockaddr_in %size dup allot erase
70:
71: : c-string ( addr u -- addr' )
72: tuck pad swap move pad + 0 swap c! pad ;
73:
74: : host>addr ( addr u -- x )
75: \G converts a internet name into a IPv4 address
76: \G the resulting address is in network byte order
77: c-string gethostbyname dup 0= abort" address not found"
1.10 pazsan 78: h_addr_list @ @ @ ntohl ;
1.1 pazsan 79:
80: 2 Constant PF_INET
81: 1 Constant SOCK_STREAM
82: 6 Constant IPPROTO_TCP
83:
1.8 pazsan 84: : new-socket ( -- socket )
85: PF_INET SOCK_STREAM IPPROTO_TCP socket
86: dup 0<= abort" no free socket" ;
87:
88: : >inetaddr ( ip port sockaddr -- ) >r
89: r@ sockaddr_in %size erase
90: PF_INET r@ family w!
91: htons r@ port w!
92: htonl r> sin_addr l! ;
93:
1.1 pazsan 94: : open-socket ( addr u port -- fid )
1.10 pazsan 95: -rot host>addr
96: swap sockaddr-tmp >inetaddr
1.8 pazsan 97: new-socket >r
98: r@ sockaddr-tmp sockaddr_in %size connect 0< abort" can't connect"
1.1 pazsan 99: r> s" w+" c-string fdopen ;
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