1 ! Copyright (C) 2007, 2008 Slava Pestov, Doug Coleman,
3 ! See http://factorcode.org/license.txt for BSD license.
4 USING: generic kernel io.backend namespaces continuations sequences
5 arrays io.encodings io.ports io.streams.duplex io.encodings.ascii
6 alien.strings io.binary accessors destructors classes byte-arrays
7 parser alien.c-types math.parser splitting grouping math assocs
8 summary system vocabs.loader combinators present fry vocabs.parser ;
12 { [ os windows? ] [ "windows.winsock" ] }
13 { [ os unix? ] [ "unix" ] }
17 GENERIC: protocol-family ( addrspec -- af )
19 GENERIC: sockaddr-size ( addrspec -- n )
21 GENERIC: make-sockaddr ( addrspec -- sockaddr )
23 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
25 GENERIC: address-size ( addrspec -- n )
27 GENERIC: inet-ntop ( data addrspec -- str )
29 GENERIC: inet-pton ( str addrspec -- data )
31 : make-sockaddr/size ( addrspec -- sockaddr size )
32 [ make-sockaddr ] [ sockaddr-size ] bi ;
34 : empty-sockaddr/size ( addrspec -- sockaddr size )
35 [ empty-sockaddr ] [ sockaddr-size ] bi ;
37 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
41 : <local> ( path -- addrspec )
42 normalize-path local boa ;
44 M: local present path>> "Unix domain socket: " prepend ;
46 TUPLE: abstract-inet host port ;
48 M: abstract-inet present
49 [ host>> ":" ] [ port>> number>string ] bi 3append ;
51 TUPLE: inet4 < abstract-inet ;
55 M: inet4 inet-ntop ( data addrspec -- str )
56 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
58 ERROR: invalid-inet4 string reason ;
60 M: invalid-inet4 summary drop "Invalid IPv4 address" ;
62 M: inet4 inet-pton ( str addrspec -- data )
65 "." split dup length 4 = [
66 "Must have four components" throw
70 [ "Dotted component not a number" throw ] unless*
72 ] [ invalid-inet4 ] recover ;
74 M: inet4 address-size drop 4 ;
76 M: inet4 protocol-family drop PF_INET ;
78 M: inet4 sockaddr-size drop "sockaddr-in" heap-size ;
80 M: inet4 empty-sockaddr drop "sockaddr-in" <c-object> ;
82 M: inet4 make-sockaddr ( inet -- sockaddr )
83 "sockaddr-in" <c-object>
84 AF_INET over set-sockaddr-in-family
85 over port>> htons over set-sockaddr-in-port
88 rot inet-pton *uint over set-sockaddr-in-addr ;
90 M: inet4 parse-sockaddr
91 [ dup sockaddr-in-addr <uint> ] dip inet-ntop
92 swap sockaddr-in-port ntohs <inet4> ;
94 TUPLE: inet6 < abstract-inet ;
98 M: inet6 inet-ntop ( data addrspec -- str )
99 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
101 ERROR: invalid-inet6 string reason ;
103 M: invalid-inet6 summary drop "Invalid IPv6 address" ;
107 : parse-inet6 ( string -- seq )
110 hex> [ "Component not a number" throw ] unless*
114 : pad-inet6 ( string1 string2 -- seq )
115 2dup [ length ] bi@ + 8 swap -
116 dup 0 < [ "More than 8 components" throw ] when
119 : inet6-bytes ( seq -- bytes )
120 [ 2 >be ] { } map-as B{ } concat-as ;
124 M: inet6 inet-pton ( str addrspec -- data )
127 "::" split1 [ parse-inet6 ] bi@ pad-inet6 inet6-bytes
128 ] [ invalid-inet6 ] recover ;
130 M: inet6 address-size drop 16 ;
132 M: inet6 protocol-family drop PF_INET6 ;
134 M: inet6 sockaddr-size drop "sockaddr-in6" heap-size ;
136 M: inet6 empty-sockaddr drop "sockaddr-in6" <c-object> ;
138 M: inet6 make-sockaddr ( inet -- sockaddr )
139 "sockaddr-in6" <c-object>
140 AF_INET6 over set-sockaddr-in6-family
141 over port>> htons over set-sockaddr-in6-port
143 rot inet-pton over set-sockaddr-in6-addr ;
145 M: inet6 parse-sockaddr
146 [ dup sockaddr-in6-addr ] dip inet-ntop
147 swap sockaddr-in6-port ntohs <inet6> ;
149 : addrspec-of-family ( af -- addrspec )
151 { AF_INET [ T{ inet4 } ] }
152 { AF_INET6 [ T{ inet6 } ] }
153 { AF_UNIX [ T{ local } ] }
157 M: f parse-sockaddr nip ;
159 GENERIC: (get-local-address) ( handle remote -- sockaddr )
161 : get-local-address ( handle remote -- local )
162 [ (get-local-address) ] keep parse-sockaddr ;
164 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
166 : get-remote-address ( handle local -- remote )
167 [ (get-remote-address) ] keep parse-sockaddr ;
169 : <ports> ( handle -- input-port output-port )
171 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
174 GENERIC: establish-connection ( client-out remote -- )
176 GENERIC: ((client)) ( remote -- handle )
178 GENERIC: (client) ( remote -- client-in client-out local )
180 M: array (client) [ (client) 3array ] attempt-all first3 ;
182 M: object (client) ( remote -- client-in client-out local )
186 [ <ports> [ |dispose ] bi@ dup ] dip
189 [ get-local-address ]
193 : <client> ( remote encoding -- stream local )
194 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
196 SYMBOL: local-address
198 SYMBOL: remote-address
200 : with-client ( remote encoding quot -- )
203 over remote-address set
204 <client> local-address set
206 ] with-scope ; inline
208 TUPLE: server-port < port addr encoding ;
210 : check-server-port ( port -- port )
212 dup server-port? [ "Not a server port" throw ] unless ; inline
214 GENERIC: (server) ( addrspec -- handle )
216 : <server> ( addrspec encoding -- server )
219 [ drop server-port <port> ] [ get-local-address ] 2bi
223 GENERIC: (accept) ( server addrspec -- handle sockaddr )
225 : accept ( server -- client remote )
231 ] keep encoding>> <encoder-duplex> swap ;
233 TUPLE: datagram-port < port addr ;
235 HOOK: (datagram) io-backend ( addr -- datagram )
237 : <datagram> ( addrspec -- datagram )
239 [ (datagram) |dispose ] keep
240 [ drop datagram-port <port> ] [ get-local-address ] 2bi
244 : check-datagram-port ( port -- port )
246 dup datagram-port? [ "Not a datagram port" throw ] unless ; inline
248 HOOK: (receive) io-backend ( datagram -- packet addrspec )
250 : receive ( datagram -- packet addrspec )
252 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
254 : check-datagram-send ( packet addrspec port -- packet addrspec port )
256 2dup addr>> [ class ] bi@ assert=
257 pick class byte-array assert= ;
259 HOOK: (send) io-backend ( packet addrspec datagram -- )
261 : send ( packet addrspec datagram -- )
262 check-datagram-send (send) ;
264 : addrinfo>addrspec ( addrinfo -- addrspec )
265 [ addrinfo-addr ] [ addrinfo-family addrspec-of-family ] bi
268 : parse-addrinfo-list ( addrinfo -- seq )
269 [ addrinfo-next ] follow
270 [ addrinfo>addrspec ] map
273 HOOK: addrinfo-error io-backend ( n -- )
275 GENERIC: resolve-host ( addrspec -- seq )
277 TUPLE: inet < abstract-inet ;
281 : resolve-passive-host ( -- addrspecs )
282 { T{ inet6 f "::" f } T{ inet4 f "0.0.0.0" f } } [ clone ] map ;
284 : prepare-addrinfo ( -- addrinfo )
285 "addrinfo" <c-object>
286 PF_UNSPEC over set-addrinfo-family
287 IPPROTO_TCP over set-addrinfo-protocol ;
289 : fill-in-ports ( addrspecs port -- addrspecs )
293 [ port>> ] [ host>> ] bi [
294 f prepare-addrinfo f <void*>
295 [ getaddrinfo addrinfo-error ] keep *void*
296 [ parse-addrinfo-list ] keep freeaddrinfo
297 ] [ resolve-passive-host ] if*
300 M: f resolve-host drop { } ;
302 M: object resolve-host 1array ;
304 : host-name ( -- string )
305 256 <byte-array> dup dup length gethostname
306 zero? [ "gethostname failed" throw ] unless
309 M: inet (client) resolve-host (client) ;
311 ERROR: invalid-inet-server addrspec ;
313 M: invalid-inet-server summary
314 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
317 invalid-inet-server ;
320 { [ os unix? ] [ "io.sockets.unix" require ] }
321 { [ os winnt? ] [ "io.sockets.windows.nt" require ] }