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 io.backend io.binary io.encodings io.encodings.ascii
8 io.encodings.binary io.ports io.streams.duplex kernel math
9 math.parser namespaces parser present sequences splitting
10 strings summary system vocabs.loader vocabs.parser ;
14 { [ os windows? ] [ "windows.winsock" ] }
15 { [ os unix? ] [ "unix.ffi" ] }
21 UNION: ?string string POSTPONE: f ;
23 GENERIC: protocol ( addrspec -- n )
25 GENERIC: protocol-family ( addrspec -- af )
27 GENERIC: sockaddr-size ( addrspec -- n )
29 GENERIC: make-sockaddr ( addrspec -- sockaddr )
31 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
33 GENERIC: address-size ( addrspec -- n )
35 GENERIC: inet-ntop ( data addrspec -- str )
37 GENERIC: inet-pton ( str addrspec -- data )
39 GENERIC# with-port 1 ( addrspec port -- addrspec )
41 : make-sockaddr/size ( addrspec -- sockaddr size )
42 [ make-sockaddr ] [ sockaddr-size ] bi ;
44 : empty-sockaddr/size ( addrspec -- sockaddr size )
45 [ empty-sockaddr ] [ sockaddr-size ] bi ;
47 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
49 M: f parse-sockaddr nip ;
51 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
53 HOOK: addrspec-of-family os ( af -- addrspec )
57 TUPLE: local { path read-only } ;
59 : <local> ( path -- addrspec )
60 normalize-path local boa ;
62 M: local present path>> "Unix domain socket: " prepend ;
64 M: local protocol drop 0 ;
68 TUPLE: ipv4 { host ?string read-only } ;
72 M: ipv4 inet-ntop ( data addrspec -- str )
73 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
77 ERROR: malformed-ipv4 sequence ;
79 ERROR: bad-ipv4-component string ;
81 : parse-ipv4 ( string -- seq )
82 "." split dup length 4 = [ malformed-ipv4 ] unless
83 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as ;
85 ERROR: invalid-ipv4 string reason ;
87 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
91 M: ipv4 inet-pton ( str addrspec -- data )
92 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
94 M: ipv4 address-size drop 4 ;
96 M: ipv4 protocol-family drop PF_INET ;
98 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
100 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
102 M: ipv4 make-sockaddr ( inet -- sockaddr )
106 [ port>> htons >>port ]
107 [ host>> "0.0.0.0" or ]
108 [ inet-pton *uint >>addr ] tri ;
110 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
111 [ addr>> <uint> ] dip inet-ntop <ipv4> ;
113 TUPLE: inet4 < ipv4 { port integer read-only } ;
117 M: ipv4 with-port [ host>> ] dip <inet4> ;
119 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
120 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
123 [ host>> ] [ port>> number>string ] bi ":" glue ;
125 M: inet4 protocol drop 0 ;
127 TUPLE: ipv6 { host ?string read-only } ;
131 M: ipv6 inet-ntop ( data addrspec -- str )
132 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
134 ERROR: invalid-ipv6 string reason ;
138 ERROR: bad-ipv6-component obj ;
140 ERROR: bad-ipv4-embedded-prefix obj ;
142 ERROR: more-than-8-components ;
144 : parse-ipv6-component ( seq -- seq' )
145 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
147 : parse-ipv6 ( string -- seq )
149 ":" split CHAR: . over last member? [
151 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
157 : pad-ipv6 ( string1 string2 -- seq )
158 2dup [ length ] bi@ + 8 swap -
159 dup 0 < [ more-than-8-components ] when
162 : ipv6-bytes ( seq -- bytes )
163 [ 2 >be ] { } map-as B{ } concat-as ;
167 M: ipv6 inet-pton ( str addrspec -- data )
169 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
173 M: ipv6 address-size drop 16 ;
175 M: ipv6 protocol-family drop PF_INET6 ;
177 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
179 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
181 M: ipv6 make-sockaddr ( inet -- sockaddr )
182 sockaddr-in6 <struct>
185 [ port>> htons >>port ]
187 [ inet-pton >>addr ] tri ;
189 M: ipv6 parse-sockaddr
190 [ addr>> ] dip inet-ntop <ipv6> ;
192 TUPLE: inet6 < ipv6 { port integer read-only } ;
196 M: ipv6 with-port [ host>> ] dip <inet6> ;
198 M: inet6 parse-sockaddr
199 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
202 [ host>> ] [ port>> number>string ] bi ":" glue ;
204 M: inet6 protocol drop 0 ;
208 GENERIC: (get-local-address) ( handle remote -- sockaddr )
210 : get-local-address ( handle remote -- local )
211 [ (get-local-address) ] keep parse-sockaddr ;
213 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
215 : get-remote-address ( handle local -- remote )
216 [ (get-remote-address) ] keep parse-sockaddr ;
218 : <ports> ( handle -- input-port output-port )
220 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
223 SYMBOL: bind-local-address
225 GENERIC: establish-connection ( client-out remote -- )
227 GENERIC: ((client)) ( remote -- handle )
229 GENERIC: (client) ( remote -- client-in client-out local )
231 M: array (client) [ (client) 3array ] attempt-all first3 ;
233 M: object (client) ( remote -- client-in client-out local )
237 [ <ports> [ |dispose ] bi@ dup ] dip
240 [ get-local-address ]
244 TUPLE: server-port < port addr encoding ;
246 : check-server-port ( port -- port )
248 dup server-port? [ "Not a server port" throw ] unless ; inline
250 GENERIC: (server) ( addrspec -- handle )
252 GENERIC: (accept) ( server addrspec -- handle sockaddr )
254 TUPLE: datagram-port < port addr ;
256 HOOK: (datagram) io-backend ( addr -- datagram )
259 TUPLE: raw-port < port addr ;
261 HOOK: (raw) io-backend ( addr -- raw )
263 HOOK: (receive) io-backend ( datagram -- packet addrspec )
265 ERROR: invalid-port object ;
267 : check-port ( packet addrspec port -- packet addrspec port )
268 2dup addr>> [ class ] bi@ assert=
269 pick class byte-array assert= ;
271 : check-connectionless-port ( port -- port )
272 dup { [ datagram-port? ] [ raw-port? ] } 1|| [ invalid-port ] unless ;
274 : check-send ( packet addrspec port -- packet addrspec port )
275 check-connectionless-port dup check-disposed check-port ;
277 : check-receive ( port -- port )
278 check-connectionless-port dup check-disposed ;
280 HOOK: (send) io-backend ( packet addrspec datagram -- )
282 : addrinfo>addrspec ( addrinfo -- addrspec )
283 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
284 [ family>> addrspec-of-family ] bi
287 : parse-addrinfo-list ( addrinfo -- seq )
289 [ addrinfo>addrspec ] map
292 HOOK: addrinfo-error io-backend ( n -- )
294 : prepare-addrinfo ( -- addrinfo )
297 IPPROTO_TCP >>protocol ;
301 : <client> ( remote encoding -- stream local )
302 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
304 SYMBOL: local-address
306 SYMBOL: remote-address
308 : with-client ( remote encoding quot -- )
311 over remote-address set
312 <client> local-address set
314 ] with-scope ; inline
316 : <server> ( addrspec encoding -- server )
319 [ drop server-port <port> ] [ get-local-address ] 2bi
323 : accept ( server -- client remote )
329 ] keep encoding>> <encoder-duplex> swap ;
331 : <datagram> ( addrspec -- datagram )
333 [ (datagram) |dispose ] keep
334 [ drop datagram-port <port> ] [ get-local-address ] 2bi
338 : <raw> ( addrspec -- datagram )
340 [ (raw) |dispose ] keep
341 [ drop raw-port <port> ] [ get-local-address ] 2bi
345 : receive ( datagram -- packet addrspec )
347 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
349 : send ( packet addrspec datagram -- )
352 GENERIC: resolve-host ( addrspec -- seq )
354 TUPLE: hostname { host ?string read-only } ;
356 TUPLE: inet < hostname port ;
359 [ host>> ] [ port>> number>string ] bi ":" glue ;
363 M: string resolve-host
364 f prepare-addrinfo f <void*>
365 [ getaddrinfo addrinfo-error ] keep *void* addrinfo memory>struct
366 [ parse-addrinfo-list ] keep freeaddrinfo ;
368 M: hostname resolve-host
369 host>> resolve-host ;
372 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
374 M: inet4 resolve-host 1array ;
376 M: inet6 resolve-host 1array ;
378 M: local resolve-host 1array ;
381 drop { T{ ipv6 f "::" } T{ ipv4 f "0.0.0.0" } } ;
383 : host-name ( -- string )
384 256 <byte-array> dup dup length gethostname
385 zero? [ "gethostname failed" throw ] unless
388 M: inet (client) resolve-host (client) ;
390 ERROR: invalid-inet-server addrspec ;
392 M: invalid-inet-server summary
393 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
396 invalid-inet-server ;
398 ERROR: invalid-local-address addrspec ;
400 M: invalid-local-address summary
401 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
403 : with-local-address ( addr quot -- )
405 [ ] [ inet4? ] [ inet6? ] tri or
406 [ bind-local-address ]
407 [ invalid-local-address ] if
408 ] dip with-variable ; inline
410 : ipv6-supported? ( -- ? )
411 [ "::1" 0 <inet6> binary <server> dispose t ] [ drop f ] recover ;
414 { [ os unix? ] [ "io.sockets.unix" require ] }
415 { [ os windows? ] [ "io.sockets.windows" require ] }