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" ] }
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 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 deref >>addr ] tri ;
111 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
112 [ addr>> uint <ref> ] dip inet-ntop <ipv4> ;
114 TUPLE: inet4 < ipv4 { port integer read-only } ;
118 M: ipv4 with-port [ host>> ] dip <inet4> ;
120 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
121 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
124 [ host>> ] [ port>> number>string ] bi ":" glue ;
126 M: inet4 protocol drop 0 ;
129 { host ?string read-only }
130 { scope-id integer read-only } ;
132 : <ipv6> ( host -- ipv6 ) 0 ipv6 boa ;
134 M: ipv6 inet-ntop ( data addrspec -- str )
135 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
137 ERROR: invalid-ipv6 string reason ;
141 ERROR: bad-ipv6-component obj ;
143 ERROR: bad-ipv4-embedded-prefix obj ;
145 ERROR: more-than-8-components ;
147 : parse-ipv6-component ( seq -- seq' )
148 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
150 : parse-ipv6 ( string -- seq )
152 ":" split CHAR: . over last member? [
154 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
160 : pad-ipv6 ( string1 string2 -- seq )
161 2dup [ length ] bi@ + 8 swap -
162 dup 0 < [ more-than-8-components ] when
165 : ipv6-bytes ( seq -- bytes )
166 [ 2 >be ] { } map-as B{ } concat-as ;
170 M: ipv6 inet-pton ( str addrspec -- data )
172 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
176 M: ipv6 address-size drop 16 ;
178 M: ipv6 protocol-family drop PF_INET6 ;
180 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
182 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
184 M: ipv6 make-sockaddr ( inet -- sockaddr )
185 sockaddr-in6 <struct>
188 [ port>> htons >>port ]
189 [ [ host>> "::" or ] keep inet-pton >>addr ]
190 [ scope-id>> >>scopeid ]
193 M: ipv6 parse-sockaddr
194 [ [ addr>> ] dip inet-ntop ] [ drop scopeid>> ] 2bi
198 [ host>> ] [ scope-id>> ] bi
199 [ number>string "%" glue ] unless-zero ;
201 TUPLE: inet6 < ipv6 { port integer read-only } ;
203 : <inet6> ( host port -- inet6 ) [ 0 ] dip inet6 boa ;
206 [ [ host>> ] [ scope-id>> ] bi ] dip
209 M: inet6 parse-sockaddr
210 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
213 [ call-next-method ] [ port>> number>string ] bi ":" glue ;
215 M: inet6 protocol drop 0 ;
219 GENERIC: (get-local-address) ( handle remote -- sockaddr )
221 : get-local-address ( handle remote -- local )
222 [ (get-local-address) ] keep parse-sockaddr ;
224 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
226 : get-remote-address ( handle local -- remote )
227 [ (get-remote-address) ] keep parse-sockaddr ;
229 : <ports> ( handle -- input-port output-port )
231 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
234 SYMBOL: bind-local-address
236 GENERIC: establish-connection ( client-out remote -- )
238 GENERIC: ((client)) ( remote -- handle )
240 GENERIC: (client) ( remote -- client-in client-out local )
242 M: array (client) [ (client) 3array ] attempt-all first3 ;
244 M: object (client) ( remote -- client-in client-out local )
248 [ <ports> [ |dispose ] bi@ dup ] dip
251 [ get-local-address ]
255 TUPLE: server-port < port addr encoding ;
257 : check-server-port ( port -- port )
259 dup server-port? [ "Not a server port" throw ] unless ; inline
261 GENERIC: (server) ( addrspec -- handle )
263 GENERIC: (accept) ( server addrspec -- handle sockaddr )
265 TUPLE: datagram-port < port addr ;
267 HOOK: (datagram) io-backend ( addr -- datagram )
269 TUPLE: raw-port < port addr ;
271 HOOK: (raw) io-backend ( addr -- raw )
273 HOOK: (receive) io-backend ( datagram -- packet addrspec )
275 ERROR: invalid-port object ;
277 : check-port ( packet addrspec port -- packet addrspec port )
278 2dup addr>> [ class ] bi@ assert=
279 pick class byte-array assert= ;
281 : check-connectionless-port ( port -- port )
282 dup { [ datagram-port? ] [ raw-port? ] } 1|| [ invalid-port ] unless ;
284 : check-send ( packet addrspec port -- packet addrspec port )
285 check-connectionless-port dup check-disposed check-port ;
287 : check-receive ( port -- port )
288 check-connectionless-port dup check-disposed ;
290 HOOK: (send) io-backend ( packet addrspec datagram -- )
292 : addrinfo>addrspec ( addrinfo -- addrspec )
293 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
294 [ family>> addrspec-of-family ] bi
297 : parse-addrinfo-list ( addrinfo -- seq )
299 [ addrinfo>addrspec ] map
302 HOOK: addrinfo-error io-backend ( n -- )
304 : prepare-addrinfo ( -- addrinfo )
307 IPPROTO_TCP >>protocol ;
311 : <client> ( remote encoding -- stream local )
312 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
314 SYMBOL: local-address
316 SYMBOL: remote-address
318 : with-client ( remote encoding quot -- )
321 over remote-address set
322 <client> local-address set
324 ] with-scope ; inline
326 : <server> ( addrspec encoding -- server )
329 [ drop server-port <port> ] [ get-local-address ] 2bi
333 : accept ( server -- client remote )
339 ] keep encoding>> <encoder-duplex> swap ;
341 : <datagram> ( addrspec -- datagram )
343 [ (datagram) |dispose ] keep
344 [ drop datagram-port <port> ] [ get-local-address ] 2bi
348 : <raw> ( addrspec -- datagram )
350 [ (raw) |dispose ] keep
351 [ drop raw-port <port> ] [ get-local-address ] 2bi
355 : receive ( datagram -- packet addrspec )
357 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
359 : send ( packet addrspec datagram -- )
362 MEMO: ipv6-supported? ( -- ? )
363 [ "::1" 0 <inet6> binary <server> dispose t ] [ drop f ] recover ;
365 [ \ ipv6-supported? reset-memoized ] "io.sockets" add-startup-hook
367 GENERIC: resolve-host ( addrspec -- seq )
369 HOOK: resolve-localhost os ( -- obj )
371 TUPLE: hostname { host ?string read-only } ;
373 TUPLE: inet < hostname port ;
376 [ host>> ] [ port>> number>string ] bi ":" glue ;
380 M: string resolve-host
381 f prepare-addrinfo f void* <ref>
382 [ getaddrinfo addrinfo-error ] keep void* deref addrinfo memory>struct
383 [ parse-addrinfo-list ] keep freeaddrinfo ;
385 M: string with-port <inet> ;
387 M: hostname resolve-host
388 host>> resolve-host ;
390 M: hostname with-port
391 [ host>> ] dip <inet> ;
394 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
396 M: inet4 resolve-host 1array ;
398 M: inet6 resolve-host 1array ;
400 M: local resolve-host 1array ;
403 drop resolve-localhost ;
405 M: object resolve-localhost
407 { T{ ipv4 f "0.0.0.0" } T{ ipv6 f "::" } }
408 { T{ ipv4 f "0.0.0.0" } }
411 : host-name ( -- string )
412 256 <byte-array> dup dup length gethostname
413 zero? [ "gethostname failed" throw ] unless
416 M: inet (client) resolve-host (client) ;
418 ERROR: invalid-inet-server addrspec ;
420 M: invalid-inet-server summary
421 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
424 invalid-inet-server ;
426 ERROR: invalid-local-address addrspec ;
428 M: invalid-local-address summary
429 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
431 : with-local-address ( addr quot -- )
433 [ ] [ inet4? ] [ inet6? ] tri or
434 [ bind-local-address ]
435 [ invalid-local-address ] if
436 ] dip with-variable ; inline
439 { [ os unix? ] [ "io.sockets.unix" require ] }
440 { [ os windows? ] [ "io.sockets.windows" require ] }