1 ! Copyright (C) 2007, 2010 Slava Pestov, Doug Coleman,
3 ! See http://factorcode.org/license.txt for BSD license.
4 USING: generic kernel io.backend namespaces continuations sequences
5 arrays io.encodings io.ports io.streams.duplex io.encodings.ascii
6 alien.strings io.binary accessors destructors classes byte-arrays
7 parser alien.c-types math.parser splitting grouping math assocs
8 summary system vocabs.loader combinators present fry vocabs.parser
9 classes.struct alien.data strings io.encodings.binary ;
13 { [ os windows? ] [ "windows.winsock" ] }
14 { [ os unix? ] [ "unix.ffi" ] }
20 UNION: ?string string POSTPONE: f ;
22 GENERIC: protocol ( addrspec -- n )
24 GENERIC: protocol-family ( addrspec -- af )
26 GENERIC: sockaddr-size ( addrspec -- n )
28 GENERIC: make-sockaddr ( addrspec -- sockaddr )
30 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
32 GENERIC: address-size ( addrspec -- n )
34 GENERIC: inet-ntop ( data addrspec -- str )
36 GENERIC: inet-pton ( str addrspec -- data )
38 GENERIC# with-port 1 ( addrspec port -- addrspec )
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 read-only } ;
58 : <local> ( path -- addrspec )
59 normalize-path local boa ;
61 M: local present path>> "Unix domain socket: " prepend ;
63 M: local protocol drop 0 ;
67 TUPLE: ipv4 { host ?string read-only } ;
71 M: ipv4 inet-ntop ( data addrspec -- str )
72 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
76 ERROR: malformed-ipv4 sequence ;
78 ERROR: bad-ipv4-component string ;
80 : parse-ipv4 ( string -- seq )
81 "." split dup length 4 = [ malformed-ipv4 ] unless
82 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as ;
84 ERROR: invalid-ipv4 string reason ;
86 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
90 M: ipv4 inet-pton ( str addrspec -- data )
91 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
93 M: ipv4 address-size drop 4 ;
95 M: ipv4 protocol-family drop PF_INET ;
97 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
99 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
101 M: ipv4 make-sockaddr ( inet -- sockaddr )
105 [ port>> htons >>port ]
106 [ host>> "0.0.0.0" or ]
107 [ inet-pton *uint >>addr ] tri ;
109 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
110 [ addr>> <uint> ] dip inet-ntop <ipv4> ;
112 TUPLE: inet4 < ipv4 { port integer read-only } ;
116 M: ipv4 with-port [ host>> ] dip <inet4> ;
118 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
119 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
122 [ host>> ] [ port>> number>string ] bi ":" glue ;
124 M: inet4 protocol drop 0 ;
126 TUPLE: ipv6 { host ?string read-only } ;
130 M: ipv6 inet-ntop ( data addrspec -- str )
131 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
133 ERROR: invalid-ipv6 string reason ;
137 ERROR: bad-ipv6-component obj ;
139 ERROR: bad-ipv4-embedded-prefix obj ;
141 ERROR: more-than-8-components ;
143 : parse-ipv6-component ( seq -- seq' )
144 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
146 : parse-ipv6 ( string -- seq )
148 ":" split CHAR: . over last member? [
150 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
156 : pad-ipv6 ( string1 string2 -- seq )
157 2dup [ length ] bi@ + 8 swap -
158 dup 0 < [ more-than-8-components ] when
161 : ipv6-bytes ( seq -- bytes )
162 [ 2 >be ] { } map-as B{ } concat-as ;
166 M: ipv6 inet-pton ( str addrspec -- data )
168 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
172 M: ipv6 address-size drop 16 ;
174 M: ipv6 protocol-family drop PF_INET6 ;
176 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
178 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
180 M: ipv6 make-sockaddr ( inet -- sockaddr )
181 sockaddr-in6 <struct>
184 [ port>> htons >>port ]
186 [ inet-pton >>addr ] tri ;
188 M: ipv6 parse-sockaddr
189 [ addr>> ] dip inet-ntop <ipv6> ;
191 TUPLE: inet6 < ipv6 { port integer read-only } ;
195 M: ipv6 with-port [ host>> ] dip <inet6> ;
197 M: inet6 parse-sockaddr
198 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
201 [ host>> ] [ port>> number>string ] bi ":" glue ;
203 M: inet6 protocol drop 0 ;
207 GENERIC: (get-local-address) ( handle remote -- sockaddr )
209 : get-local-address ( handle remote -- local )
210 [ (get-local-address) ] keep parse-sockaddr ;
212 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
214 : get-remote-address ( handle local -- remote )
215 [ (get-remote-address) ] keep parse-sockaddr ;
217 : <ports> ( handle -- input-port output-port )
219 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
222 SYMBOL: bind-local-address
224 GENERIC: establish-connection ( client-out remote -- )
226 GENERIC: ((client)) ( remote -- handle )
228 GENERIC: (client) ( remote -- client-in client-out local )
230 M: array (client) [ (client) 3array ] attempt-all first3 ;
232 M: object (client) ( remote -- client-in client-out local )
236 [ <ports> [ |dispose ] bi@ dup ] dip
239 [ get-local-address ]
243 TUPLE: server-port < port addr encoding ;
245 : check-server-port ( port -- port )
247 dup server-port? [ "Not a server port" throw ] unless ; inline
249 GENERIC: (server) ( addrspec -- handle )
251 GENERIC: (accept) ( server addrspec -- handle sockaddr )
253 TUPLE: datagram-port < port addr ;
255 HOOK: (datagram) io-backend ( addr -- datagram )
257 : check-datagram-port ( port -- port )
259 dup datagram-port? [ "Not a datagram port" throw ] unless ; inline
261 HOOK: (receive) io-backend ( datagram -- packet addrspec )
263 : check-datagram-send ( packet addrspec port -- packet addrspec port )
265 2dup addr>> [ class ] bi@ assert=
266 pick class byte-array assert= ;
268 HOOK: (send) io-backend ( packet addrspec datagram -- )
270 : addrinfo>addrspec ( addrinfo -- addrspec )
271 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
272 [ family>> addrspec-of-family ] bi
275 : parse-addrinfo-list ( addrinfo -- seq )
277 [ addrinfo>addrspec ] map
280 HOOK: addrinfo-error io-backend ( n -- )
282 : prepare-addrinfo ( -- addrinfo )
285 IPPROTO_TCP >>protocol ;
289 : <client> ( remote encoding -- stream local )
290 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
292 SYMBOL: local-address
294 SYMBOL: remote-address
296 : with-client ( remote encoding quot -- )
299 over remote-address set
300 <client> local-address set
302 ] with-scope ; inline
304 : <server> ( addrspec encoding -- server )
307 [ drop server-port <port> ] [ get-local-address ] 2bi
311 : accept ( server -- client remote )
317 ] keep encoding>> <encoder-duplex> swap ;
319 : <datagram> ( addrspec -- datagram )
321 [ (datagram) |dispose ] keep
322 [ drop datagram-port <port> ] [ get-local-address ] 2bi
326 : receive ( datagram -- packet addrspec )
328 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
330 : send ( packet addrspec datagram -- )
331 check-datagram-send (send) ;
333 GENERIC: resolve-host ( addrspec -- seq )
335 TUPLE: hostname { host ?string read-only } ;
337 TUPLE: inet < hostname port ;
340 [ host>> ] [ port>> number>string ] bi ":" glue ;
344 M: string resolve-host
345 f prepare-addrinfo f <void*>
346 [ getaddrinfo addrinfo-error ] keep *void* addrinfo memory>struct
347 [ parse-addrinfo-list ] keep freeaddrinfo ;
349 M: hostname resolve-host
350 host>> resolve-host ;
353 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
355 M: inet4 resolve-host 1array ;
357 M: inet6 resolve-host 1array ;
359 M: local resolve-host 1array ;
362 drop { T{ ipv6 f "::" } T{ ipv4 f "0.0.0.0" } } ;
364 : host-name ( -- string )
365 256 <byte-array> dup dup length gethostname
366 zero? [ "gethostname failed" throw ] unless
369 M: inet (client) resolve-host (client) ;
371 ERROR: invalid-inet-server addrspec ;
373 M: invalid-inet-server summary
374 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
377 invalid-inet-server ;
379 ERROR: invalid-local-address addrspec ;
381 M: invalid-local-address summary
382 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
384 : with-local-address ( addr quot -- )
386 [ ] [ inet4? ] [ inet6? ] tri or
387 [ bind-local-address ]
388 [ invalid-local-address ] if
389 ] dip with-variable ; inline
391 : ipv6-supported? ( -- ? )
392 [ "::1" 0 <inet6> binary <server> dispose t ] [ drop f ] recover ;
395 { [ os unix? ] [ "io.sockets.unix" require ] }
396 { [ os windows? ] [ "io.sockets.windows" require ] }