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 byte-arrays classes classes.struct combinators
6 combinators.short-circuit continuations destructors fry
7 grouping init io.backend io.binary io.encodings.ascii
8 io.encodings.binary io.pathnames io.ports io.streams.duplex
9 kernel locals math math.parser memoize namespaces present
10 sequences sequences.private splitting strings summary system
11 vocabs vocabs.parser ;
15 { [ os windows? ] [ "windows.winsock" ] }
16 { [ os unix? ] [ "unix.ffi" ] }
19 GENERIC# with-port 1 ( addrspec port -- addrspec )
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 TUPLE: local { path string read-only } ;
58 : <local> ( path -- addrspec )
59 absolute-path local boa ;
61 M: local present path>> "Unix domain socket: " prepend ;
63 M: local protocol drop 0 ;
67 TUPLE: ipv4 { host maybe{ string } read-only } ;
71 ERROR: invalid-ipv4 string reason ;
73 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
75 ERROR: malformed-ipv4 sequence ;
77 ERROR: bad-ipv4-component string ;
79 : parse-ipv4 ( string -- seq )
81 "." split dup length 4 = [ throw-malformed-ipv4 ] unless
82 [ dup string>number [ ] [ throw-bad-ipv4-component ] ?if ] B{ } map-as
85 : check-ipv4 ( string -- )
86 [ parse-ipv4 drop ] [ throw-invalid-ipv4 ] recover ;
90 : <ipv4> ( host -- ipv4 ) dup check-ipv4 ipv4 boa ;
92 M: ipv4 inet-ntop ( data addrspec -- str )
93 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
95 M: ipv4 inet-pton ( str addrspec -- data )
96 drop [ parse-ipv4 ] [ throw-invalid-ipv4 ] recover ;
98 M: ipv4 address-size drop 4 ;
100 M: ipv4 protocol-family drop PF_INET ;
102 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
104 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
106 M: ipv4 make-sockaddr ( inet -- sockaddr )
110 [ port>> htons >>port ]
111 [ host>> "0.0.0.0" or ]
112 [ inet-pton uint deref >>addr ] tri ;
114 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
115 [ addr>> uint <ref> ] dip inet-ntop <ipv4> ;
117 TUPLE: inet4 < ipv4 { port integer read-only } ;
119 : <inet4> ( host port -- inet4 )
120 over check-ipv4 inet4 boa ;
122 M: ipv4 with-port [ host>> ] dip <inet4> ;
124 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
125 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
128 [ host>> ] [ port>> number>string ] bi ":" glue ;
130 M: inet4 protocol drop 0 ;
133 { host maybe{ string } read-only }
134 { scope-id integer read-only } ;
138 ERROR: invalid-ipv6 host reason ;
140 M: invalid-ipv6 summary drop "Invalid IPv6 address" ;
142 ERROR: bad-ipv6-component obj ;
144 ERROR: bad-ipv4-embedded-prefix obj ;
146 ERROR: more-than-8-components ;
148 : parse-ipv6-component ( seq -- seq' )
149 [ dup hex> [ nip ] [ throw-bad-ipv6-component ] if* ] { } map-as ;
151 : parse-ipv6 ( string -- seq )
153 ":" split CHAR: . over last member? [
155 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
161 : check-ipv6 ( string -- )
162 [ "::" split1 [ parse-ipv6 ] bi@ 2drop ] [ throw-invalid-ipv6 ] recover ;
166 : <ipv6> ( host -- ipv6 ) dup check-ipv6 0 ipv6 boa ;
168 M: ipv6 inet-ntop ( data addrspec -- str )
169 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
173 : pad-ipv6 ( string1 string2 -- seq )
174 2dup [ length ] bi@ + 8 swap -
175 dup 0 < [ throw-more-than-8-components ] when
178 : ipv6-bytes ( seq -- bytes )
179 [ 2 >be ] { } map-as B{ } concat-as ;
183 M: ipv6 inet-pton ( str addrspec -- data )
185 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
186 [ throw-invalid-ipv6 ]
189 M: ipv6 address-size drop 16 ;
191 M: ipv6 protocol-family drop PF_INET6 ;
193 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
195 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
197 M: ipv6 make-sockaddr ( inet -- sockaddr )
198 sockaddr-in6 <struct>
201 [ port>> htons >>port ]
202 [ [ host>> "::" or ] keep inet-pton >>addr ]
203 [ scope-id>> >>scopeid ]
206 M: ipv6 parse-sockaddr
207 [ [ addr>> ] dip inet-ntop ] [ drop scopeid>> ] 2bi
211 [ host>> ] [ scope-id>> ] bi
212 [ number>string "%" glue ] unless-zero ;
214 TUPLE: inet6 < ipv6 { port integer read-only } ;
216 : <inet6> ( host port -- inet6 )
217 [ dup check-ipv6 0 ] dip inet6 boa ;
220 [ [ host>> ] [ scope-id>> ] bi ] dip
223 M: inet6 parse-sockaddr
224 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
227 [ call-next-method ] [ port>> number>string ] bi ":" glue ;
229 M: inet6 protocol drop 0 ;
231 ERROR: addrinfo-error n string ;
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 GENERIC: (server) ( addrspec -- handle )
275 GENERIC: (accept) ( server addrspec -- handle sockaddr )
277 TUPLE: datagram-port < port addr ;
279 HOOK: (datagram) io-backend ( addr -- datagram )
281 TUPLE: raw-port < port addr ;
283 HOOK: (raw) io-backend ( addr -- raw )
285 HOOK: (broadcast) io-backend ( datagram -- datagram )
287 HOOK: (receive-unsafe) io-backend ( n buf datagram -- count addrspec )
289 ERROR: invalid-port object ;
291 : check-port ( packet addrspec port -- packet addrspec port )
292 2dup addr>> [ class-of ] bi@ assert=
293 pick class-of byte-array assert= ;
295 : check-connectionless-port ( port -- port )
296 dup { [ datagram-port? ] [ raw-port? ] } 1|| [ throw-invalid-port ] unless ;
298 : check-send ( packet addrspec port -- packet addrspec port )
299 check-connectionless-port check-disposed check-port ;
301 : check-receive ( port -- port )
302 check-connectionless-port check-disposed ;
304 HOOK: (send) io-backend ( packet addrspec datagram -- )
306 : addrinfo>addrspec ( addrinfo -- addrspec )
307 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
308 [ family>> addrspec-of-family ] bi
311 : parse-addrinfo-list ( addrinfo -- seq )
313 [ addrinfo>addrspec ] map
316 HOOK: addrinfo-error-string io-backend ( n -- string )
318 : prepare-addrinfo ( -- addrinfo )
321 IPPROTO_TCP >>protocol ;
325 : <client> ( remote encoding -- stream local )
326 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
328 SYMBOL: local-address
330 SYMBOL: remote-address
332 : with-client ( remote encoding quot -- )
335 over remote-address set
336 <client> local-address set
338 ] with-scope ; inline
340 : <server> ( addrspec encoding -- server )
343 [ drop server-port <port> ] [ get-local-address ] 2bi
347 : accept ( server -- client remote )
353 ] [ encoding>> ] bi <encoder-duplex> swap ;
355 : <datagram> ( addrspec -- datagram )
357 [ (datagram) |dispose ] keep
358 [ drop datagram-port <port> ] [ get-local-address ] 2bi
362 : <raw> ( addrspec -- datagram )
364 [ (raw) |dispose ] keep
365 [ drop raw-port <port> ] [ get-local-address ] 2bi
369 : <broadcast> ( addrspec -- datagram )
370 <datagram> (broadcast) ;
372 : receive-unsafe ( n buf datagram -- count addrspec )
374 [ (receive-unsafe) ] [ addr>> ] bi parse-sockaddr ; inline
376 CONSTANT: datagram-size 65536
378 :: receive ( datagram -- packet addrspec )
379 datagram-size (byte-array) :> buf
380 datagram-size buf datagram
381 receive-unsafe :> ( count addrspec )
382 count buf resize addrspec ; inline
384 :: receive-into ( buf datagram -- buf-slice addrspec )
386 n buf datagram receive-unsafe :> ( count addrspec )
387 buf count head-slice addrspec ; inline
389 : send ( packet addrspec datagram -- )
390 check-send (send) ; inline
392 MEMO: ipv6-supported? ( -- ? )
393 [ "::1" 0 <inet6> binary <server> dispose t ] [ drop f ] recover ;
395 [ \ ipv6-supported? reset-memoized ]
396 "io.sockets:ipv6-supported?" add-startup-hook
398 GENERIC: resolve-host ( addrspec -- seq )
400 HOOK: resolve-localhost os ( -- obj )
402 TUPLE: hostname { host maybe{ string } read-only } ;
404 TUPLE: inet < hostname port ;
407 [ host>> ] [ port>> number>string ] bi ":" glue ;
411 M: string resolve-host
412 f prepare-addrinfo f void* <ref> [
414 dup addrinfo-error-string throw-addrinfo-error
416 ] keep void* deref addrinfo memory>struct
417 [ parse-addrinfo-list ] keep freeaddrinfo ;
419 M: string with-port <inet> ;
421 M: hostname resolve-host
422 host>> resolve-host ;
424 M: hostname with-port
425 [ host>> ] dip <inet> ;
428 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
430 M: inet4 resolve-host 1array ;
432 M: inet6 resolve-host 1array ;
434 M: local resolve-host 1array ;
437 drop resolve-localhost ;
439 M: object resolve-localhost
441 { T{ ipv4 f "0.0.0.0" } T{ ipv6 f "::" } }
442 { T{ ipv4 f "0.0.0.0" } }
445 HOOK: host-name os ( -- string )
447 M: inet (client) resolve-host (client) ;
449 ERROR: invalid-inet-server addrspec ;
451 M: invalid-inet-server summary
452 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
455 throw-invalid-inet-server ;
457 ERROR: invalid-local-address addrspec ;
459 M: invalid-local-address summary
460 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
462 : with-local-address ( addr quot -- )
464 [ ] [ inet4? ] [ inet6? ] tri or
465 [ bind-local-address ]
466 [ throw-invalid-local-address ] if
467 ] dip with-variable ; inline
469 : protocol-port ( protocol -- port )
470 [ f getservbyname [ port>> htons ] [ f ] if* ] [ f ] if* ;
473 { [ os unix? ] [ "io.sockets.unix" require ] }
474 { [ os windows? ] [ "io.sockets.windows" require ] }