1 ! Copyright (C) 2007, 2010 Slava Pestov, Doug Coleman,
3 ! See http://factorcode.org/license.txt for BSD license.
4 USING: accessors alien.c-types alien.data alien.strings arrays
5 assocs byte-arrays classes classes.struct combinators
6 combinators.short-circuit continuations destructors fry generic
7 grouping init io.backend io.binary io.encodings
8 io.encodings.ascii io.encodings.binary io.ports
9 io.streams.duplex kernel math math.parser memoize namespaces
10 parser present sequences splitting strings summary system
11 vocabs.loader vocabs.parser ;
15 { [ os windows? ] [ "windows.winsock" ] }
16 { [ os unix? ] [ "unix.ffi" ] }
22 UNION: ?string string POSTPONE: f ;
24 GENERIC: protocol ( addrspec -- n )
26 GENERIC: protocol-family ( addrspec -- af )
28 GENERIC: sockaddr-size ( addrspec -- n )
30 GENERIC: make-sockaddr ( addrspec -- sockaddr )
32 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
34 GENERIC: address-size ( addrspec -- n )
36 GENERIC: inet-ntop ( data addrspec -- str )
38 GENERIC: inet-pton ( str addrspec -- data )
40 : make-sockaddr/size ( addrspec -- sockaddr size )
41 [ make-sockaddr ] [ sockaddr-size ] bi ;
43 : empty-sockaddr/size ( addrspec -- sockaddr size )
44 [ empty-sockaddr ] [ sockaddr-size ] bi ;
46 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
48 M: f parse-sockaddr nip ;
50 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
52 HOOK: addrspec-of-family os ( af -- addrspec )
56 GENERIC# with-port 1 ( addrspec port -- addrspec )
58 TUPLE: local { path read-only } ;
60 : <local> ( path -- addrspec )
61 normalize-path local boa ;
63 M: local present path>> "Unix domain socket: " prepend ;
65 M: local protocol drop 0 ;
69 TUPLE: ipv4 { host ?string read-only } ;
73 M: ipv4 inet-ntop ( data addrspec -- str )
74 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
78 ERROR: malformed-ipv4 sequence ;
80 ERROR: bad-ipv4-component string ;
82 : parse-ipv4 ( string -- seq )
83 "." split dup length 4 = [ malformed-ipv4 ] unless
84 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as ;
86 ERROR: invalid-ipv4 string reason ;
88 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
92 M: ipv4 inet-pton ( str addrspec -- data )
93 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
95 M: ipv4 address-size drop 4 ;
97 M: ipv4 protocol-family drop PF_INET ;
99 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
101 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
103 M: ipv4 make-sockaddr ( inet -- sockaddr )
107 [ port>> htons >>port ]
108 [ host>> "0.0.0.0" or ]
109 [ inet-pton *uint >>addr ] tri ;
111 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
112 [ addr>> <uint> ] dip inet-ntop <ipv4> ;
114 TUPLE: inet4 < ipv4 { port integer read-only } ;
116 : inet-string? ( string exemplar -- ? )
117 '[ _ _ inet-pton drop t ] [ drop f ] recover ;
119 : inet4-string? ( string -- ? ) T{ inet4 } inet-string? ;
121 ERROR: invalid-inet4 string ;
123 : ensure-inet4-string ( string -- string )
124 dup [ dup inet4-string? [ invalid-inet4 ] unless ] when ;
126 : <inet4> ( host port -- inet4 )
127 [ ensure-inet4-string ] dip inet4 boa ;
129 M: ipv4 with-port [ host>> ] dip <inet4> ;
131 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
132 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
135 [ host>> ] [ port>> number>string ] bi ":" glue ;
137 M: inet4 protocol drop 0 ;
139 TUPLE: ipv6 { host ?string read-only } ;
143 M: ipv6 inet-ntop ( data addrspec -- str )
144 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
146 ERROR: invalid-ipv6 string reason ;
150 ERROR: bad-ipv6-component obj ;
152 ERROR: bad-ipv4-embedded-prefix obj ;
154 ERROR: more-than-8-components ;
156 : parse-ipv6-component ( seq -- seq' )
157 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
159 : parse-ipv6 ( string -- seq )
161 ":" split CHAR: . over last member? [
163 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
169 : pad-ipv6 ( string1 string2 -- seq )
170 2dup [ length ] bi@ + 8 swap -
171 dup 0 < [ more-than-8-components ] when
174 : ipv6-bytes ( seq -- bytes )
175 [ 2 >be ] { } map-as B{ } concat-as ;
181 M: ipv6 inet-pton ( str addrspec -- data )
184 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ] if-empty
185 ] [ invalid-ipv6 ] recover ;
187 M: ipv6 address-size drop 16 ;
189 M: ipv6 protocol-family drop PF_INET6 ;
191 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
193 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
195 M: ipv6 make-sockaddr ( inet -- sockaddr )
196 sockaddr-in6 <struct>
199 [ port>> htons >>port ]
201 [ inet-pton >>addr ] tri ;
203 M: ipv6 parse-sockaddr
204 [ addr>> ] dip inet-ntop <ipv6> ;
206 TUPLE: inet6 < ipv6 { port integer read-only } ;
208 : inet6-string? ( string -- ? ) T{ inet6 } inet-string? ;
210 ERROR: invalid-inet6 string ;
212 : ensure-inet6-string ( string -- string )
213 dup [ dup inet6-string? [ invalid-inet6 ] unless ] when ;
215 : <inet6> ( host port -- inet6 )
216 [ ensure-inet6-string ] dip inet6 boa ;
218 M: ipv6 with-port [ host>> ] dip <inet6> ;
220 M: inet6 parse-sockaddr
221 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
224 [ host>> ] [ port>> number>string ] bi ":" glue ;
226 M: inet6 protocol drop 0 ;
230 GENERIC: (get-local-address) ( handle remote -- sockaddr )
232 : get-local-address ( handle remote -- local )
233 [ (get-local-address) ] keep parse-sockaddr ;
235 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
237 : get-remote-address ( handle local -- remote )
238 [ (get-remote-address) ] keep parse-sockaddr ;
240 : <ports> ( handle -- input-port output-port )
242 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
245 SYMBOL: bind-local-address
247 GENERIC: establish-connection ( client-out remote -- )
249 GENERIC: ((client)) ( remote -- handle )
251 GENERIC: (client) ( remote -- client-in client-out local )
253 M: array (client) [ (client) 3array ] attempt-all first3 ;
255 M: object (client) ( remote -- client-in client-out local )
259 [ <ports> [ |dispose ] bi@ dup ] dip
262 [ get-local-address ]
266 TUPLE: server-port < port addr encoding ;
268 : check-server-port ( port -- port )
270 dup server-port? [ "Not a server port" throw ] unless ; inline
272 GENERIC: (server) ( addrspec -- handle )
274 GENERIC: (accept) ( server addrspec -- handle sockaddr )
276 TUPLE: datagram-port < port addr ;
278 HOOK: (datagram) io-backend ( addr -- datagram )
280 TUPLE: raw-port < port addr ;
282 HOOK: (raw) io-backend ( addr -- raw )
284 HOOK: (receive) io-backend ( datagram -- packet addrspec )
286 ERROR: invalid-port object ;
288 : check-port ( packet addrspec port -- packet addrspec port )
289 2dup addr>> [ class ] bi@ assert=
290 pick class byte-array assert= ;
292 : check-connectionless-port ( port -- port )
293 dup { [ datagram-port? ] [ raw-port? ] } 1|| [ invalid-port ] unless ;
295 : check-send ( packet addrspec port -- packet addrspec port )
296 check-connectionless-port dup check-disposed check-port ;
298 : check-receive ( port -- port )
299 check-connectionless-port dup check-disposed ;
301 HOOK: (send) io-backend ( packet addrspec datagram -- )
303 : addrinfo>addrspec ( addrinfo -- addrspec )
304 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
305 [ family>> addrspec-of-family ] bi
308 : parse-addrinfo-list ( addrinfo -- seq )
310 [ addrinfo>addrspec ] map
313 HOOK: addrinfo-error io-backend ( n -- )
315 : prepare-addrinfo ( -- addrinfo )
318 IPPROTO_TCP >>protocol ;
322 : <client> ( remote encoding -- stream local )
323 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
325 SYMBOL: local-address
327 SYMBOL: remote-address
329 : with-client ( remote encoding quot -- )
332 over remote-address set
333 <client> local-address set
335 ] with-scope ; inline
337 : <server> ( addrspec encoding -- server )
340 [ drop server-port <port> ] [ get-local-address ] 2bi
344 : accept ( server -- client remote )
350 ] keep encoding>> <encoder-duplex> swap ;
352 : <datagram> ( addrspec -- datagram )
354 [ (datagram) |dispose ] keep
355 [ drop datagram-port <port> ] [ get-local-address ] 2bi
359 : <raw> ( addrspec -- datagram )
361 [ (raw) |dispose ] keep
362 [ drop raw-port <port> ] [ get-local-address ] 2bi
366 : receive ( datagram -- packet addrspec )
368 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
370 : send ( packet addrspec datagram -- )
373 MEMO: ipv6-supported? ( -- ? )
374 [ "::1" 0 <inet6> binary <server> dispose t ] [ drop f ] recover ;
376 [ \ ipv6-supported? reset-memoized ] "io.sockets" add-startup-hook
378 GENERIC: resolve-host ( addrspec -- seq )
380 HOOK: resolve-localhost os ( -- obj )
382 TUPLE: hostname { host ?string read-only } ;
384 TUPLE: inet < hostname port ;
387 [ host>> ] [ port>> number>string ] bi ":" glue ;
389 : <inet> ( host port -- inet )
391 { [ over inet4-string? ] [ inet4 boa ] }
392 { [ over inet6-string? ] [ inet6 boa ] }
396 M: inet with-port [ host>> ] dip <inet> ;
398 M: string resolve-host
399 f prepare-addrinfo f <void*>
400 [ getaddrinfo addrinfo-error ] keep *void* addrinfo memory>struct
401 [ parse-addrinfo-list ] keep freeaddrinfo ;
403 M: hostname resolve-host
404 host>> resolve-host ;
407 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
409 M: inet4 resolve-host 1array ;
411 M: inet6 resolve-host 1array ;
413 M: local resolve-host 1array ;
416 drop resolve-localhost ;
418 M: object resolve-localhost
420 { T{ ipv4 f "0.0.0.0" } T{ ipv6 f "::" } }
421 { T{ ipv4 f "0.0.0.0" } }
424 : host-name ( -- string )
425 256 <byte-array> dup dup length gethostname
426 zero? [ "gethostname failed" throw ] unless
429 M: inet (client) resolve-host (client) ;
431 ERROR: invalid-inet-server addrspec ;
433 M: invalid-inet-server summary
434 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
437 invalid-inet-server ;
439 ERROR: invalid-local-address addrspec ;
441 M: invalid-local-address summary
442 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
444 : with-local-address ( addr quot -- )
446 [ ] [ inet4? ] [ inet6? ] tri or
447 [ bind-local-address ]
448 [ invalid-local-address ] if
449 ] dip with-variable ; inline
452 { [ os unix? ] [ "io.sockets.unix" require ] }
453 { [ os windows? ] [ "io.sockets.windows" require ] }