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 unix.ffi values vocabs.loader vocabs.parser ;
15 { [ os windows? ] [ "windows.winsock" ] }
16 { [ os unix? ] [ "unix.ffi" ] }
19 GENERIC# with-port 1 ( addrspec port -- addrspec )
24 UNION: ?string string POSTPONE: f ;
26 GENERIC: protocol ( addrspec -- n )
28 GENERIC: protocol-family ( addrspec -- af )
30 GENERIC: sockaddr-size ( addrspec -- n )
32 GENERIC: make-sockaddr ( addrspec -- sockaddr )
34 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
36 GENERIC: address-size ( addrspec -- n )
38 GENERIC: inet-ntop ( data addrspec -- str )
40 GENERIC: inet-pton ( str addrspec -- data )
42 : make-sockaddr/size ( addrspec -- sockaddr size )
43 [ make-sockaddr ] [ sockaddr-size ] bi ;
45 : empty-sockaddr/size ( addrspec -- sockaddr size )
46 [ empty-sockaddr ] [ sockaddr-size ] bi ;
48 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
50 M: f parse-sockaddr nip ;
52 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
54 HOOK: addrspec-of-family os ( af -- addrspec )
58 TUPLE: local { path string read-only } ;
60 : <local> ( path -- addrspec )
61 absolute-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 ERROR: invalid-ipv4 string reason ;
75 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
77 ERROR: malformed-ipv4 sequence ;
79 ERROR: bad-ipv4-component string ;
81 : parse-ipv4 ( string -- seq )
83 "." split dup length 4 = [ malformed-ipv4 ] unless
84 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as
87 : check-ipv4 ( string -- )
88 [ parse-ipv4 drop ] [ invalid-ipv4 ] recover ;
92 : <ipv4> ( host -- ipv4 ) dup check-ipv4 ipv4 boa ;
94 M: ipv4 inet-ntop ( data addrspec -- str )
95 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
97 M: ipv4 inet-pton ( str addrspec -- data )
98 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
100 M: ipv4 address-size drop 4 ;
102 M: ipv4 protocol-family drop PF_INET ;
104 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
106 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
108 M: ipv4 make-sockaddr ( inet -- sockaddr )
112 [ port>> htons >>port ]
113 [ host>> "0.0.0.0" or ]
114 [ inet-pton uint deref >>addr ] tri ;
116 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
117 [ addr>> uint <ref> ] dip inet-ntop <ipv4> ;
119 TUPLE: inet4 < ipv4 { port integer read-only } ;
121 : <inet4> ( host port -- inet4 )
122 over check-ipv4 inet4 boa ;
124 M: ipv4 with-port [ host>> ] dip <inet4> ;
126 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
127 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
130 [ host>> ] [ port>> number>string ] bi ":" glue ;
132 M: inet4 protocol drop 0 ;
135 { host ?string read-only }
136 { scope-id integer read-only } ;
140 ERROR: invalid-ipv6 host reason ;
142 M: invalid-ipv6 summary drop "Invalid IPv6 address" ;
144 ERROR: bad-ipv6-component obj ;
146 ERROR: bad-ipv4-embedded-prefix obj ;
148 ERROR: more-than-8-components ;
150 : parse-ipv6-component ( seq -- seq' )
151 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
153 : parse-ipv6 ( string -- seq )
155 ":" split CHAR: . over last member? [
157 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
163 : check-ipv6 ( string -- )
164 [ "::" split1 [ parse-ipv6 ] bi@ 2drop ] [ invalid-ipv6 ] recover ;
168 : <ipv6> ( host -- ipv6 ) dup check-ipv6 0 ipv6 boa ;
170 M: ipv6 inet-ntop ( data addrspec -- str )
171 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
175 : pad-ipv6 ( string1 string2 -- seq )
176 2dup [ length ] bi@ + 8 swap -
177 dup 0 < [ more-than-8-components ] when
180 : ipv6-bytes ( seq -- bytes )
181 [ 2 >be ] { } map-as B{ } concat-as ;
185 M: ipv6 inet-pton ( str addrspec -- data )
187 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
191 M: ipv6 address-size drop 16 ;
193 M: ipv6 protocol-family drop PF_INET6 ;
195 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
197 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
199 M: ipv6 make-sockaddr ( inet -- sockaddr )
200 sockaddr-in6 <struct>
203 [ port>> htons >>port ]
204 [ [ host>> "::" or ] keep inet-pton >>addr ]
205 [ scope-id>> >>scopeid ]
208 M: ipv6 parse-sockaddr
209 [ [ addr>> ] dip inet-ntop ] [ drop scopeid>> ] 2bi
213 [ host>> ] [ scope-id>> ] bi
214 [ number>string "%" glue ] unless-zero ;
216 TUPLE: inet6 < ipv6 { port integer read-only } ;
218 : <inet6> ( host port -- inet6 )
219 [ dup check-ipv6 0 ] dip inet6 boa ;
222 [ [ host>> ] [ scope-id>> ] bi ] dip
225 M: inet6 parse-sockaddr
226 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
229 [ call-next-method ] [ port>> number>string ] bi ":" glue ;
231 M: inet6 protocol drop 0 ;
235 GENERIC: (get-local-address) ( handle remote -- sockaddr )
237 : get-local-address ( handle remote -- local )
238 [ (get-local-address) ] keep parse-sockaddr ;
240 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
242 : get-remote-address ( handle local -- remote )
243 [ (get-remote-address) ] keep parse-sockaddr ;
245 : <ports> ( handle -- input-port output-port )
247 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
250 SYMBOL: bind-local-address
252 GENERIC: establish-connection ( client-out remote -- )
254 GENERIC: ((client)) ( remote -- handle )
256 GENERIC: (client) ( remote -- client-in client-out local )
258 M: array (client) [ (client) 3array ] attempt-all first3 ;
260 M: object (client) ( remote -- client-in client-out local )
264 [ <ports> [ |dispose ] bi@ dup ] dip
267 [ get-local-address ]
271 TUPLE: server-port < port addr encoding ;
273 : check-server-port ( port -- port )
275 dup server-port? [ "Not a server port" throw ] unless ; inline
277 GENERIC: (server) ( addrspec -- handle )
279 GENERIC: (accept) ( server addrspec -- handle sockaddr )
281 TUPLE: datagram-port < port addr ;
283 HOOK: (datagram) io-backend ( addr -- datagram )
285 TUPLE: raw-port < port addr ;
287 HOOK: (raw) io-backend ( addr -- raw )
289 HOOK: (receive) io-backend ( n buf datagram -- size addrspec )
291 ERROR: invalid-port object ;
293 : check-port ( packet addrspec port -- packet addrspec port )
294 2dup addr>> [ class ] bi@ assert=
295 pick class byte-array assert= ;
297 : check-connectionless-port ( port -- port )
298 dup { [ datagram-port? ] [ raw-port? ] } 1|| [ invalid-port ] unless ;
300 : check-send ( packet addrspec port -- packet addrspec port )
301 check-connectionless-port dup check-disposed check-port ;
303 : check-receive ( port -- port )
304 check-connectionless-port dup check-disposed ;
306 HOOK: (send) io-backend ( packet addrspec datagram -- )
308 : addrinfo>addrspec ( addrinfo -- addrspec )
309 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
310 [ family>> addrspec-of-family ] bi
313 : parse-addrinfo-list ( addrinfo -- seq )
315 [ addrinfo>addrspec ] map
318 HOOK: addrinfo-error io-backend ( n -- )
320 : prepare-addrinfo ( -- addrinfo )
323 IPPROTO_TCP >>protocol ;
327 : <client> ( remote encoding -- stream local )
328 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
330 SYMBOL: local-address
332 SYMBOL: remote-address
334 : with-client ( remote encoding quot -- )
337 over remote-address set
338 <client> local-address set
340 ] with-scope ; inline
342 : <server> ( addrspec encoding -- server )
345 [ drop server-port <port> ] [ get-local-address ] 2bi
349 : accept ( server -- client remote )
355 ] keep encoding>> <encoder-duplex> swap ;
357 : <datagram> ( addrspec -- datagram )
359 [ (datagram) |dispose ] keep
360 [ drop datagram-port <port> ] [ get-local-address ] 2bi
364 : <raw> ( addrspec -- datagram )
366 [ (raw) |dispose ] keep
367 [ drop raw-port <port> ] [ get-local-address ] 2bi
371 : receive-unsafe ( n buf datagram -- count addrspec )
373 [ (receive) ] [ addr>> ] bi parse-sockaddr ; inline
375 CONSTANT: datagram-size 65536
376 STRUCT: datagram-buf { buf uchar[datagram-size] } ;
378 :: receive ( datagram -- packet addrspec )
379 { datagram-buf } [| buf |
380 datagram-size buf datagram
381 receive-unsafe :> ( count addrspec )
383 buf swap memory>byte-array addrspec
385 ] with-scoped-allocation ; inline
387 :: receive-into ( buf datagram -- buf-slice addrspec )
389 n buf datagram receive-unsafe :> ( count addrspec )
391 buf count head-slice addrspec
394 : send ( packet addrspec datagram -- )
395 check-send (send) ; inline
397 MEMO: ipv6-supported? ( -- ? )
398 [ "::1" 0 <inet6> binary <server> dispose t ] [ drop f ] recover ;
400 [ \ ipv6-supported? reset-memoized ]
401 "io.sockets:ipv6-supported?" add-startup-hook
403 GENERIC: resolve-host ( addrspec -- seq )
405 HOOK: resolve-localhost os ( -- obj )
407 TUPLE: hostname { host ?string read-only } ;
409 TUPLE: inet < hostname port ;
412 [ host>> ] [ port>> number>string ] bi ":" glue ;
416 M: string resolve-host
417 f prepare-addrinfo f void* <ref>
418 [ getaddrinfo addrinfo-error ] keep void* deref addrinfo memory>struct
419 [ parse-addrinfo-list ] keep freeaddrinfo ;
421 M: string with-port <inet> ;
423 M: hostname resolve-host
424 host>> resolve-host ;
426 M: hostname with-port
427 [ host>> ] dip <inet> ;
430 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
432 M: inet4 resolve-host 1array ;
434 M: inet6 resolve-host 1array ;
436 M: local resolve-host 1array ;
439 drop resolve-localhost ;
441 M: object resolve-localhost
443 { T{ ipv4 f "0.0.0.0" } T{ ipv6 f "::" } }
444 { T{ ipv4 f "0.0.0.0" } }
447 : host-name ( -- string )
448 256 <byte-array> dup dup length gethostname
449 zero? [ "gethostname failed" throw ] unless
452 M: inet (client) resolve-host (client) ;
454 ERROR: invalid-inet-server addrspec ;
456 M: invalid-inet-server summary
457 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
460 invalid-inet-server ;
462 ERROR: invalid-local-address addrspec ;
464 M: invalid-local-address summary
465 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
467 : with-local-address ( addr quot -- )
469 [ ] [ inet4? ] [ inet6? ] tri or
470 [ bind-local-address ]
471 [ invalid-local-address ] if
472 ] dip with-variable ; inline
475 { [ os unix? ] [ "io.sockets.unix" require ] }
476 { [ os windows? ] [ "io.sockets.windows" require ] }