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 ;
13 { [ os windows? ] [ "windows.winsock" ] }
14 { [ os unix? ] [ "unix.ffi" ] }
20 UNION: ?string string POSTPONE: f ;
22 GENERIC: protocol-family ( addrspec -- af )
24 GENERIC: sockaddr-size ( addrspec -- n )
26 GENERIC: make-sockaddr ( addrspec -- sockaddr )
28 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
30 GENERIC: address-size ( addrspec -- n )
32 GENERIC: inet-ntop ( data addrspec -- str )
34 GENERIC: inet-pton ( str addrspec -- data )
36 GENERIC# with-port 1 ( addrspec port -- addrspec )
38 : make-sockaddr/size ( addrspec -- sockaddr size )
39 [ make-sockaddr ] [ sockaddr-size ] bi ;
41 : empty-sockaddr/size ( addrspec -- sockaddr size )
42 [ empty-sockaddr ] [ sockaddr-size ] bi ;
44 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
46 M: f parse-sockaddr nip ;
48 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
50 HOOK: addrspec-of-family os ( af -- addrspec )
54 TUPLE: local { path read-only } ;
56 : <local> ( path -- addrspec )
57 normalize-path local boa ;
59 M: local present path>> "Unix domain socket: " prepend ;
63 TUPLE: ipv4 { host ?string read-only } ;
67 M: ipv4 inet-ntop ( data addrspec -- str )
68 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
72 ERROR: malformed-ipv4 sequence ;
74 ERROR: bad-ipv4-component string ;
76 : parse-ipv4 ( string -- seq )
77 "." split dup length 4 = [ malformed-ipv4 ] unless
78 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as ;
80 ERROR: invalid-ipv4 string reason ;
82 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
86 M: ipv4 inet-pton ( str addrspec -- data )
87 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
89 M: ipv4 address-size drop 4 ;
91 M: ipv4 protocol-family drop PF_INET ;
93 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
95 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
97 M: ipv4 make-sockaddr ( inet -- sockaddr )
101 [ port>> htons >>port ]
102 [ host>> "0.0.0.0" or ]
103 [ inet-pton *uint >>addr ] tri ;
105 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
106 [ addr>> <uint> ] dip inet-ntop <ipv4> ;
108 TUPLE: inet4 < ipv4 { port integer read-only } ;
112 M: ipv4 with-port [ host>> ] dip <inet4> ;
114 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
115 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
118 [ host>> ] [ port>> number>string ] bi ":" glue ;
120 TUPLE: ipv6 { host ?string read-only } ;
124 M: ipv6 inet-ntop ( data addrspec -- str )
125 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
127 ERROR: invalid-ipv6 string reason ;
131 ERROR: bad-ipv6-component obj ;
133 ERROR: bad-ipv4-embedded-prefix obj ;
135 ERROR: more-than-8-components ;
137 : parse-ipv6-component ( seq -- seq' )
138 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
140 : parse-ipv6 ( string -- seq )
142 ":" split CHAR: . over last member? [
144 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
150 : pad-ipv6 ( string1 string2 -- seq )
151 2dup [ length ] bi@ + 8 swap -
152 dup 0 < [ more-than-8-components ] when
155 : ipv6-bytes ( seq -- bytes )
156 [ 2 >be ] { } map-as B{ } concat-as ;
160 M: ipv6 inet-pton ( str addrspec -- data )
162 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
166 M: ipv6 address-size drop 16 ;
168 M: ipv6 protocol-family drop PF_INET6 ;
170 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
172 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
174 M: ipv6 make-sockaddr ( inet -- sockaddr )
175 sockaddr-in6 <struct>
178 [ port>> htons >>port ]
180 [ inet-pton >>addr ] tri ;
182 M: ipv6 parse-sockaddr
183 [ addr>> ] dip inet-ntop <ipv6> ;
185 TUPLE: inet6 < ipv6 { port integer read-only } ;
189 M: ipv6 with-port [ host>> ] dip <inet6> ;
191 M: inet6 parse-sockaddr
192 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
195 [ host>> ] [ port>> number>string ] bi ":" glue ;
199 GENERIC: (get-local-address) ( handle remote -- sockaddr )
201 : get-local-address ( handle remote -- local )
202 [ (get-local-address) ] keep parse-sockaddr ;
204 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
206 : get-remote-address ( handle local -- remote )
207 [ (get-remote-address) ] keep parse-sockaddr ;
209 : <ports> ( handle -- input-port output-port )
211 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
214 SYMBOL: bind-local-address
216 GENERIC: establish-connection ( client-out remote -- )
218 GENERIC: ((client)) ( remote -- handle )
220 GENERIC: (client) ( remote -- client-in client-out local )
222 M: array (client) [ (client) 3array ] attempt-all first3 ;
224 M: object (client) ( remote -- client-in client-out local )
228 [ <ports> [ |dispose ] bi@ dup ] dip
231 [ get-local-address ]
235 TUPLE: server-port < port addr encoding ;
237 : check-server-port ( port -- port )
239 dup server-port? [ "Not a server port" throw ] unless ; inline
241 GENERIC: (server) ( addrspec -- handle )
243 GENERIC: (accept) ( server addrspec -- handle sockaddr )
245 TUPLE: datagram-port < port addr ;
247 HOOK: (datagram) io-backend ( addr -- datagram )
249 : check-datagram-port ( port -- port )
251 dup datagram-port? [ "Not a datagram port" throw ] unless ; inline
253 HOOK: (receive) io-backend ( datagram -- packet addrspec )
255 : check-datagram-send ( packet addrspec port -- packet addrspec port )
257 2dup addr>> [ class ] bi@ assert=
258 pick class byte-array assert= ;
260 HOOK: (send) io-backend ( packet addrspec datagram -- )
262 : addrinfo>addrspec ( addrinfo -- addrspec )
263 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
264 [ family>> addrspec-of-family ] bi
267 : parse-addrinfo-list ( addrinfo -- seq )
269 [ addrinfo>addrspec ] map
272 HOOK: addrinfo-error io-backend ( n -- )
274 : prepare-addrinfo ( -- addrinfo )
277 IPPROTO_TCP >>protocol ;
281 : <client> ( remote encoding -- stream local )
282 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
284 SYMBOL: local-address
286 SYMBOL: remote-address
288 : with-client ( remote encoding quot -- )
291 over remote-address set
292 <client> local-address set
294 ] with-scope ; inline
296 : <server> ( addrspec encoding -- server )
299 [ drop server-port <port> ] [ get-local-address ] 2bi
303 : accept ( server -- client remote )
309 ] keep encoding>> <encoder-duplex> swap ;
311 : <datagram> ( addrspec -- datagram )
313 [ (datagram) |dispose ] keep
314 [ drop datagram-port <port> ] [ get-local-address ] 2bi
318 : receive ( datagram -- packet addrspec )
320 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
322 : send ( packet addrspec datagram -- )
323 check-datagram-send (send) ;
325 GENERIC: resolve-host ( addrspec -- seq )
327 TUPLE: hostname { host ?string read-only } ;
329 TUPLE: inet < hostname port ;
332 [ host>> ] [ port>> number>string ] bi ":" glue ;
336 M: string resolve-host
337 f prepare-addrinfo f <void*>
338 [ getaddrinfo addrinfo-error ] keep *void* addrinfo memory>struct
339 [ parse-addrinfo-list ] keep freeaddrinfo ;
341 M: hostname resolve-host
342 host>> resolve-host ;
345 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
347 M: inet4 resolve-host 1array ;
349 M: inet6 resolve-host 1array ;
351 M: local resolve-host 1array ;
354 drop { T{ ipv6 f "::" } T{ ipv4 f "0.0.0.0" } } ;
356 : host-name ( -- string )
357 256 <byte-array> dup dup length gethostname
358 zero? [ "gethostname failed" throw ] unless
361 M: inet (client) resolve-host (client) ;
363 ERROR: invalid-inet-server addrspec ;
365 M: invalid-inet-server summary
366 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
369 invalid-inet-server ;
371 ERROR: invalid-local-address addrspec ;
373 M: invalid-local-address summary
374 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
376 : with-local-address ( addr quot -- )
378 [ ] [ inet4? ] [ inet6? ] tri or
379 [ bind-local-address ]
380 [ invalid-local-address ] if
381 ] dip with-variable ; inline
384 { [ os unix? ] [ "io.sockets.unix" require ] }
385 { [ os winnt? ] [ "io.sockets.windows.nt" require ] }