1 ! Copyright (C) 2007, 2011 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.pathnames io.ports
9 io.streams.duplex kernel libc locals math math.parser memoize
10 namespaces parser present sequences splitting strings summary
11 system vocabs.loader vocabs.parser vocabs
16 { [ os windows? ] [ "windows.winsock" ] }
17 { [ os unix? ] [ "unix.ffi" ] }
20 GENERIC# with-port 1 ( addrspec port -- addrspec )
25 GENERIC: protocol ( addrspec -- n )
27 GENERIC: protocol-family ( addrspec -- af )
29 GENERIC: sockaddr-size ( addrspec -- n )
31 GENERIC: make-sockaddr ( addrspec -- sockaddr )
33 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
35 GENERIC: address-size ( addrspec -- n )
37 GENERIC: inet-ntop ( data addrspec -- str )
39 GENERIC: inet-pton ( str addrspec -- data )
41 : make-sockaddr/size ( addrspec -- sockaddr size )
42 [ make-sockaddr ] [ sockaddr-size ] bi ;
44 : empty-sockaddr/size ( addrspec -- sockaddr size )
45 [ empty-sockaddr ] [ sockaddr-size ] bi ;
47 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
49 M: f parse-sockaddr nip ;
51 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
53 HOOK: addrspec-of-family os ( af -- addrspec )
57 TUPLE: local { path string read-only } ;
59 : <local> ( path -- addrspec )
60 absolute-path local boa ;
62 M: local present path>> "Unix domain socket: " prepend ;
64 M: local protocol drop 0 ;
68 TUPLE: ipv4 { host maybe{ string } read-only } ;
72 ERROR: invalid-ipv4 string reason ;
74 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
76 ERROR: malformed-ipv4 sequence ;
78 ERROR: bad-ipv4-component string ;
80 : parse-ipv4 ( string -- seq )
82 "." split dup length 4 = [ malformed-ipv4 ] unless
83 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as
86 : check-ipv4 ( string -- )
87 [ parse-ipv4 drop ] [ invalid-ipv4 ] recover ;
91 : <ipv4> ( host -- ipv4 ) dup check-ipv4 ipv4 boa ;
93 M: ipv4 inet-ntop ( data addrspec -- str )
94 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
96 M: ipv4 inet-pton ( str addrspec -- data )
97 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
99 M: ipv4 address-size drop 4 ;
101 M: ipv4 protocol-family drop PF_INET ;
103 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
105 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
107 M: ipv4 make-sockaddr ( inet -- sockaddr )
111 [ port>> htons >>port ]
112 [ host>> "0.0.0.0" or ]
113 [ inet-pton uint deref >>addr ] tri ;
115 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
116 [ addr>> uint <ref> ] dip inet-ntop <ipv4> ;
118 TUPLE: inet4 < ipv4 { port integer read-only } ;
120 : <inet4> ( host port -- inet4 )
121 over check-ipv4 inet4 boa ;
123 M: ipv4 with-port [ host>> ] dip <inet4> ;
125 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
126 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
129 [ host>> ] [ port>> number>string ] bi ":" glue ;
131 M: inet4 protocol drop 0 ;
134 { host maybe{ string } read-only }
135 { scope-id integer read-only } ;
139 ERROR: invalid-ipv6 host reason ;
141 M: invalid-ipv6 summary drop "Invalid IPv6 address" ;
143 ERROR: bad-ipv6-component obj ;
145 ERROR: bad-ipv4-embedded-prefix obj ;
147 ERROR: more-than-8-components ;
149 : parse-ipv6-component ( seq -- seq' )
150 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
152 : parse-ipv6 ( string -- seq )
154 ":" split CHAR: . over last member? [
156 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
162 : check-ipv6 ( string -- )
163 [ "::" split1 [ parse-ipv6 ] bi@ 2drop ] [ invalid-ipv6 ] recover ;
167 : <ipv6> ( host -- ipv6 ) dup check-ipv6 0 ipv6 boa ;
169 M: ipv6 inet-ntop ( data addrspec -- str )
170 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
174 : pad-ipv6 ( string1 string2 -- seq )
175 2dup [ length ] bi@ + 8 swap -
176 dup 0 < [ more-than-8-components ] when
179 : ipv6-bytes ( seq -- bytes )
180 [ 2 >be ] { } map-as B{ } concat-as ;
184 M: ipv6 inet-pton ( str addrspec -- data )
186 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
190 M: ipv6 address-size drop 16 ;
192 M: ipv6 protocol-family drop PF_INET6 ;
194 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
196 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
198 M: ipv6 make-sockaddr ( inet -- sockaddr )
199 sockaddr-in6 <struct>
202 [ port>> htons >>port ]
203 [ [ host>> "::" or ] keep inet-pton >>addr ]
204 [ scope-id>> >>scopeid ]
207 M: ipv6 parse-sockaddr
208 [ [ addr>> ] dip inet-ntop ] [ drop scopeid>> ] 2bi
212 [ host>> ] [ scope-id>> ] bi
213 [ number>string "%" glue ] unless-zero ;
215 TUPLE: inet6 < ipv6 { port integer read-only } ;
217 : <inet6> ( host port -- inet6 )
218 [ dup check-ipv6 0 ] dip inet6 boa ;
221 [ [ host>> ] [ scope-id>> ] bi ] dip
224 M: inet6 parse-sockaddr
225 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
228 [ call-next-method ] [ port>> number>string ] bi ":" glue ;
230 M: inet6 protocol drop 0 ;
234 GENERIC: (get-local-address) ( handle remote -- sockaddr )
236 : get-local-address ( handle remote -- local )
237 [ (get-local-address) ] keep parse-sockaddr ;
239 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
241 : get-remote-address ( handle local -- remote )
242 [ (get-remote-address) ] keep parse-sockaddr ;
244 : <ports> ( handle -- input-port output-port )
246 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
249 SYMBOL: bind-local-address
251 GENERIC: establish-connection ( client-out remote -- )
253 GENERIC: ((client)) ( remote -- handle )
255 GENERIC: (client) ( remote -- client-in client-out local )
257 M: array (client) [ (client) 3array ] attempt-all first3 ;
259 M: object (client) ( remote -- client-in client-out local )
263 [ <ports> [ |dispose ] bi@ dup ] dip
266 [ get-local-address ]
270 TUPLE: server-port < port addr encoding ;
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: (broadcast) io-backend ( datagram -- datagram )
286 HOOK: (receive-unsafe) io-backend ( n buf datagram -- size addrspec )
288 ERROR: invalid-port object ;
290 : check-port ( packet addrspec port -- packet addrspec port )
291 2dup addr>> [ class-of ] bi@ assert=
292 pick class-of byte-array assert= ;
294 : check-connectionless-port ( port -- port )
295 dup { [ datagram-port? ] [ raw-port? ] } 1|| [ invalid-port ] unless ;
297 : check-send ( packet addrspec port -- packet addrspec port )
298 check-connectionless-port dup check-disposed check-port ;
300 : check-receive ( port -- port )
301 check-connectionless-port dup check-disposed ;
303 HOOK: (send) io-backend ( packet addrspec datagram -- )
305 : addrinfo>addrspec ( addrinfo -- addrspec )
306 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
307 [ family>> addrspec-of-family ] bi
310 : parse-addrinfo-list ( addrinfo -- seq )
312 [ addrinfo>addrspec ] map
315 HOOK: addrinfo-error io-backend ( n -- )
317 : prepare-addrinfo ( -- addrinfo )
320 IPPROTO_TCP >>protocol ;
324 : <client> ( remote encoding -- stream local )
325 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
327 SYMBOL: local-address
329 SYMBOL: remote-address
331 : with-client ( remote encoding quot -- )
334 over remote-address set
335 <client> local-address set
337 ] with-scope ; inline
339 : <server> ( addrspec encoding -- server )
342 [ drop server-port <port> ] [ get-local-address ] 2bi
346 : accept ( server -- client remote )
352 ] keep encoding>> <encoder-duplex> swap ;
354 : <datagram> ( addrspec -- datagram )
356 [ (datagram) |dispose ] keep
357 [ drop datagram-port <port> ] [ get-local-address ] 2bi
361 : <raw> ( addrspec -- datagram )
363 [ (raw) |dispose ] keep
364 [ drop raw-port <port> ] [ get-local-address ] 2bi
368 : <broadcast> ( addrspec -- datagram )
369 <datagram> (broadcast) ;
371 : receive-unsafe ( n buf datagram -- count addrspec )
373 [ (receive-unsafe) ] [ addr>> ] bi parse-sockaddr ; inline
375 CONSTANT: datagram-size 65536
377 :: receive ( datagram -- packet addrspec )
378 datagram-size (byte-array) :> buf
379 datagram-size buf datagram
380 receive-unsafe :> ( count addrspec )
381 count buf resize addrspec ; inline
383 :: receive-into ( buf datagram -- buf-slice addrspec )
385 n buf datagram receive-unsafe :> ( count addrspec )
386 buf count head-slice addrspec ; inline
388 : send ( packet addrspec datagram -- )
389 check-send (send) ; inline
391 MEMO: ipv6-supported? ( -- ? )
392 [ "::1" 0 <inet6> binary <server> dispose t ] [ drop f ] recover ;
394 [ \ ipv6-supported? reset-memoized ]
395 "io.sockets:ipv6-supported?" add-startup-hook
397 GENERIC: resolve-host ( addrspec -- seq )
399 HOOK: resolve-localhost os ( -- obj )
401 TUPLE: hostname { host maybe{ string } read-only } ;
403 TUPLE: inet < hostname port ;
406 [ host>> ] [ port>> number>string ] bi ":" glue ;
410 M: string resolve-host
411 f prepare-addrinfo f void* <ref>
412 [ getaddrinfo addrinfo-error ] keep void* deref addrinfo memory>struct
413 [ parse-addrinfo-list ] keep freeaddrinfo ;
415 M: string with-port <inet> ;
417 M: hostname resolve-host
418 host>> resolve-host ;
420 M: hostname with-port
421 [ host>> ] dip <inet> ;
424 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
426 M: inet4 resolve-host 1array ;
428 M: inet6 resolve-host 1array ;
430 M: local resolve-host 1array ;
433 drop resolve-localhost ;
435 M: object resolve-localhost
437 { T{ ipv4 f "0.0.0.0" } T{ ipv6 f "::" } }
438 { T{ ipv4 f "0.0.0.0" } }
441 : host-name ( -- string )
442 256 <byte-array> dup dup length gethostname
443 zero? [ "gethostname failed" throw ] unless
446 M: inet (client) resolve-host (client) ;
448 ERROR: invalid-inet-server addrspec ;
450 M: invalid-inet-server summary
451 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
454 invalid-inet-server ;
456 ERROR: invalid-local-address addrspec ;
458 M: invalid-local-address summary
459 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
461 : with-local-address ( addr quot -- )
463 [ ] [ inet4? ] [ inet6? ] tri or
464 [ bind-local-address ]
465 [ invalid-local-address ] if
466 ] dip with-variable ; inline
469 { [ os unix? ] [ "io.sockets.unix" require ] }
470 { [ os windows? ] [ "io.sockets.windows" require ] }