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 values vocabs.loader vocabs.parser vocabs
16 { [ os windows? ] [ "windows.winsock" ] }
17 { [ os unix? ] [ "unix.ffi" ] }
20 GENERIC# with-port 1 ( addrspec port -- addrspec )
25 UNION: ?string string POSTPONE: f ;
27 GENERIC: protocol ( addrspec -- n )
29 GENERIC: protocol-family ( addrspec -- af )
31 GENERIC: sockaddr-size ( addrspec -- n )
33 GENERIC: make-sockaddr ( addrspec -- sockaddr )
35 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
37 GENERIC: address-size ( addrspec -- n )
39 GENERIC: inet-ntop ( data addrspec -- str )
41 GENERIC: inet-pton ( str addrspec -- data )
43 : make-sockaddr/size ( addrspec -- sockaddr size )
44 [ make-sockaddr ] [ sockaddr-size ] bi ;
46 : empty-sockaddr/size ( addrspec -- sockaddr size )
47 [ empty-sockaddr ] [ sockaddr-size ] bi ;
49 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
51 M: f parse-sockaddr nip ;
53 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
55 HOOK: addrspec-of-family os ( af -- addrspec )
59 TUPLE: local { path string read-only } ;
61 : <local> ( path -- addrspec )
62 absolute-path local boa ;
64 M: local present path>> "Unix domain socket: " prepend ;
66 M: local protocol drop 0 ;
70 TUPLE: ipv4 { host ?string read-only } ;
74 ERROR: invalid-ipv4 string reason ;
76 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
78 ERROR: malformed-ipv4 sequence ;
80 ERROR: bad-ipv4-component string ;
82 : parse-ipv4 ( string -- seq )
84 "." split dup length 4 = [ malformed-ipv4 ] unless
85 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as
88 : check-ipv4 ( string -- )
89 [ parse-ipv4 drop ] [ invalid-ipv4 ] recover ;
93 : <ipv4> ( host -- ipv4 ) dup check-ipv4 ipv4 boa ;
95 M: ipv4 inet-ntop ( data addrspec -- str )
96 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
98 M: ipv4 inet-pton ( str addrspec -- data )
99 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
101 M: ipv4 address-size drop 4 ;
103 M: ipv4 protocol-family drop PF_INET ;
105 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
107 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
109 M: ipv4 make-sockaddr ( inet -- sockaddr )
113 [ port>> htons >>port ]
114 [ host>> "0.0.0.0" or ]
115 [ inet-pton uint deref >>addr ] tri ;
117 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
118 [ addr>> uint <ref> ] dip inet-ntop <ipv4> ;
120 TUPLE: inet4 < ipv4 { port integer read-only } ;
122 : <inet4> ( host port -- inet4 )
123 over check-ipv4 inet4 boa ;
125 M: ipv4 with-port [ host>> ] dip <inet4> ;
127 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
128 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
131 [ host>> ] [ port>> number>string ] bi ":" glue ;
133 M: inet4 protocol drop 0 ;
136 { host ?string read-only }
137 { scope-id integer read-only } ;
141 ERROR: invalid-ipv6 host reason ;
143 M: invalid-ipv6 summary drop "Invalid IPv6 address" ;
145 ERROR: bad-ipv6-component obj ;
147 ERROR: bad-ipv4-embedded-prefix obj ;
149 ERROR: more-than-8-components ;
151 : parse-ipv6-component ( seq -- seq' )
152 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
154 : parse-ipv6 ( string -- seq )
156 ":" split CHAR: . over last member? [
158 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
164 : check-ipv6 ( string -- )
165 [ "::" split1 [ parse-ipv6 ] bi@ 2drop ] [ invalid-ipv6 ] recover ;
169 : <ipv6> ( host -- ipv6 ) dup check-ipv6 0 ipv6 boa ;
171 M: ipv6 inet-ntop ( data addrspec -- str )
172 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
176 : pad-ipv6 ( string1 string2 -- seq )
177 2dup [ length ] bi@ + 8 swap -
178 dup 0 < [ more-than-8-components ] when
181 : ipv6-bytes ( seq -- bytes )
182 [ 2 >be ] { } map-as B{ } concat-as ;
186 M: ipv6 inet-pton ( str addrspec -- data )
188 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
192 M: ipv6 address-size drop 16 ;
194 M: ipv6 protocol-family drop PF_INET6 ;
196 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
198 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
200 M: ipv6 make-sockaddr ( inet -- sockaddr )
201 sockaddr-in6 <struct>
204 [ port>> htons >>port ]
205 [ [ host>> "::" or ] keep inet-pton >>addr ]
206 [ scope-id>> >>scopeid ]
209 M: ipv6 parse-sockaddr
210 [ [ addr>> ] dip inet-ntop ] [ drop scopeid>> ] 2bi
214 [ host>> ] [ scope-id>> ] bi
215 [ number>string "%" glue ] unless-zero ;
217 TUPLE: inet6 < ipv6 { port integer read-only } ;
219 : <inet6> ( host port -- inet6 )
220 [ dup check-ipv6 0 ] dip inet6 boa ;
223 [ [ host>> ] [ scope-id>> ] bi ] dip
226 M: inet6 parse-sockaddr
227 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
230 [ call-next-method ] [ port>> number>string ] bi ":" glue ;
232 M: inet6 protocol drop 0 ;
236 GENERIC: (get-local-address) ( handle remote -- sockaddr )
238 : get-local-address ( handle remote -- local )
239 [ (get-local-address) ] keep parse-sockaddr ;
241 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
243 : get-remote-address ( handle local -- remote )
244 [ (get-remote-address) ] keep parse-sockaddr ;
246 : <ports> ( handle -- input-port output-port )
248 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
251 SYMBOL: bind-local-address
253 GENERIC: establish-connection ( client-out remote -- )
255 GENERIC: ((client)) ( remote -- handle )
257 GENERIC: (client) ( remote -- client-in client-out local )
259 M: array (client) [ (client) 3array ] attempt-all first3 ;
261 M: object (client) ( remote -- client-in client-out local )
265 [ <ports> [ |dispose ] bi@ dup ] dip
268 [ get-local-address ]
272 TUPLE: server-port < port addr encoding ;
274 GENERIC: (server) ( addrspec -- handle )
276 GENERIC: (accept) ( server addrspec -- handle sockaddr )
278 TUPLE: datagram-port < port addr ;
280 HOOK: (datagram) io-backend ( addr -- datagram )
282 TUPLE: raw-port < port addr ;
284 HOOK: (raw) io-backend ( addr -- raw )
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 : receive-unsafe ( n buf datagram -- count addrspec )
370 [ (receive-unsafe) ] [ addr>> ] bi parse-sockaddr ; inline
372 CONSTANT: datagram-size 65536
374 :: receive ( datagram -- packet addrspec )
375 datagram-size (byte-array) :> buf
376 datagram-size buf datagram
377 receive-unsafe :> ( count addrspec )
378 count buf resize addrspec ; inline
380 :: receive-into ( buf datagram -- buf-slice addrspec )
382 n buf datagram receive-unsafe :> ( count addrspec )
383 buf count head-slice addrspec ; inline
385 : send ( packet addrspec datagram -- )
386 check-send (send) ; inline
388 MEMO: ipv6-supported? ( -- ? )
389 [ "::1" 0 <inet6> binary <server> dispose t ] [ drop f ] recover ;
391 [ \ ipv6-supported? reset-memoized ]
392 "io.sockets:ipv6-supported?" add-startup-hook
394 GENERIC: resolve-host ( addrspec -- seq )
396 HOOK: resolve-localhost os ( -- obj )
398 TUPLE: hostname { host ?string read-only } ;
400 TUPLE: inet < hostname port ;
403 [ host>> ] [ port>> number>string ] bi ":" glue ;
407 M: string resolve-host
408 f prepare-addrinfo f void* <ref>
409 [ getaddrinfo addrinfo-error ] keep void* deref addrinfo memory>struct
410 [ parse-addrinfo-list ] keep freeaddrinfo ;
412 M: string with-port <inet> ;
414 M: hostname resolve-host
415 host>> resolve-host ;
417 M: hostname with-port
418 [ host>> ] dip <inet> ;
421 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
423 M: inet4 resolve-host 1array ;
425 M: inet6 resolve-host 1array ;
427 M: local resolve-host 1array ;
430 drop resolve-localhost ;
432 M: object resolve-localhost
434 { T{ ipv4 f "0.0.0.0" } T{ ipv6 f "::" } }
435 { T{ ipv4 f "0.0.0.0" } }
438 : host-name ( -- string )
439 256 <byte-array> dup dup length gethostname
440 zero? [ "gethostname failed" throw ] unless
443 M: inet (client) resolve-host (client) ;
445 ERROR: invalid-inet-server addrspec ;
447 M: invalid-inet-server summary
448 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
451 invalid-inet-server ;
453 ERROR: invalid-local-address addrspec ;
455 M: invalid-local-address summary
456 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
458 : with-local-address ( addr quot -- )
460 [ ] [ inet4? ] [ inet6? ] tri or
461 [ bind-local-address ]
462 [ invalid-local-address ] if
463 ] dip with-variable ; inline
466 { [ os unix? ] [ "io.sockets.unix" require ] }
467 { [ os windows? ] [ "io.sockets.windows" require ] }