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 GENERIC: protocol-family ( addrspec -- af )
22 GENERIC: sockaddr-size ( addrspec -- n )
24 GENERIC: make-sockaddr ( addrspec -- sockaddr )
26 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
28 GENERIC: address-size ( addrspec -- n )
30 GENERIC: inet-ntop ( data addrspec -- str )
32 GENERIC: inet-pton ( str addrspec -- data )
34 GENERIC# with-port 1 ( addrspec port -- addrspec )
36 : make-sockaddr/size ( addrspec -- sockaddr size )
37 [ make-sockaddr ] [ sockaddr-size ] bi ;
39 : empty-sockaddr/size ( addrspec -- sockaddr size )
40 [ empty-sockaddr ] [ sockaddr-size ] bi ;
42 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
44 M: f parse-sockaddr nip ;
46 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
48 HOOK: addrspec-of-family os ( af -- addrspec )
54 : <local> ( path -- addrspec )
55 normalize-path local boa ;
57 M: local present path>> "Unix domain socket: " prepend ;
61 TUPLE: ipv4 { host string read-only } ;
65 M: ipv4 inet-ntop ( data addrspec -- str )
66 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
70 ERROR: malformed-ipv4 sequence ;
72 ERROR: bad-ipv4-component string ;
74 : parse-ipv4 ( string -- seq )
75 "." split dup length 4 = [ malformed-ipv4 ] unless
76 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as ;
78 ERROR: invalid-ipv4 string reason ;
80 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
84 M: ipv4 inet-pton ( str addrspec -- data )
85 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
87 M: ipv4 address-size drop 4 ;
89 M: ipv4 protocol-family drop PF_INET ;
91 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
93 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
95 M: ipv4 make-sockaddr ( inet -- sockaddr )
99 [ port>> htons >>port ]
100 [ host>> "0.0.0.0" or ]
101 [ inet-pton *uint >>addr ] tri ;
103 M: ipv4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
104 [ addr>> <uint> ] dip inet-ntop <ipv4> ;
106 TUPLE: inet4 < ipv4 { port integer read-only } ;
110 M: ipv4 with-port [ host>> ] dip <inet4> ;
112 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
113 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
116 [ host>> ] [ port>> number>string ] bi ":" glue ;
118 TUPLE: ipv6 { host string read-only } ;
122 M: ipv6 inet-ntop ( data addrspec -- str )
123 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
125 ERROR: invalid-ipv6 string reason ;
129 ERROR: bad-ipv6-component obj ;
131 ERROR: bad-ipv4-embedded-prefix obj ;
133 ERROR: more-than-8-components ;
135 : parse-ipv6-component ( seq -- seq' )
136 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
138 : parse-ipv6 ( string -- seq )
140 ":" split CHAR: . over last member? [
142 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
148 : pad-ipv6 ( string1 string2 -- seq )
149 2dup [ length ] bi@ + 8 swap -
150 dup 0 < [ more-than-8-components ] when
153 : ipv6-bytes ( seq -- bytes )
154 [ 2 >be ] { } map-as B{ } concat-as ;
158 M: ipv6 inet-pton ( str addrspec -- data )
160 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
164 M: ipv6 address-size drop 16 ;
166 M: ipv6 protocol-family drop PF_INET6 ;
168 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
170 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
172 M: ipv6 make-sockaddr ( inet -- sockaddr )
173 sockaddr-in6 <struct>
176 [ port>> htons >>port ]
178 [ inet-pton >>addr ] tri ;
180 M: ipv6 parse-sockaddr
181 [ addr>> ] dip inet-ntop <ipv6> ;
183 TUPLE: inet6 < ipv6 { port integer read-only } ;
187 M: ipv6 with-port [ host>> ] dip <inet6> ;
189 M: inet6 parse-sockaddr
190 [ call-next-method ] [ drop port>> ntohs ] 2bi with-port ;
193 [ host>> ] [ port>> number>string ] bi ":" glue ;
197 GENERIC: (get-local-address) ( handle remote -- sockaddr )
199 : get-local-address ( handle remote -- local )
200 [ (get-local-address) ] keep parse-sockaddr ;
202 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
204 : get-remote-address ( handle local -- remote )
205 [ (get-remote-address) ] keep parse-sockaddr ;
207 : <ports> ( handle -- input-port output-port )
209 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
212 SYMBOL: bind-local-address
214 GENERIC: establish-connection ( client-out remote -- )
216 GENERIC: ((client)) ( remote -- handle )
218 GENERIC: (client) ( remote -- client-in client-out local )
220 M: array (client) [ (client) 3array ] attempt-all first3 ;
222 M: object (client) ( remote -- client-in client-out local )
226 [ <ports> [ |dispose ] bi@ dup ] dip
229 [ get-local-address ]
233 TUPLE: server-port < port addr encoding ;
235 : check-server-port ( port -- port )
237 dup server-port? [ "Not a server port" throw ] unless ; inline
239 GENERIC: (server) ( addrspec -- handle )
241 GENERIC: (accept) ( server addrspec -- handle sockaddr )
243 TUPLE: datagram-port < port addr ;
245 HOOK: (datagram) io-backend ( addr -- datagram )
247 : check-datagram-port ( port -- port )
249 dup datagram-port? [ "Not a datagram port" throw ] unless ; inline
251 HOOK: (receive) io-backend ( datagram -- packet addrspec )
253 : check-datagram-send ( packet addrspec port -- packet addrspec port )
255 2dup addr>> [ class ] bi@ assert=
256 pick class byte-array assert= ;
258 HOOK: (send) io-backend ( packet addrspec datagram -- )
260 : addrinfo>addrspec ( addrinfo -- addrspec )
261 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
262 [ family>> addrspec-of-family ] bi
265 : parse-addrinfo-list ( addrinfo -- seq )
267 [ addrinfo>addrspec ] map
270 HOOK: addrinfo-error io-backend ( n -- )
272 : prepare-addrinfo ( -- addrinfo )
275 IPPROTO_TCP >>protocol ;
279 : <client> ( remote encoding -- stream local )
280 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
282 SYMBOL: local-address
284 SYMBOL: remote-address
286 : with-client ( remote encoding quot -- )
289 over remote-address set
290 <client> local-address set
292 ] with-scope ; inline
294 : <server> ( addrspec encoding -- server )
297 [ drop server-port <port> ] [ get-local-address ] 2bi
301 : accept ( server -- client remote )
307 ] keep encoding>> <encoder-duplex> swap ;
309 : <datagram> ( addrspec -- datagram )
311 [ (datagram) |dispose ] keep
312 [ drop datagram-port <port> ] [ get-local-address ] 2bi
316 : receive ( datagram -- packet addrspec )
318 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
320 : send ( packet addrspec datagram -- )
321 check-datagram-send (send) ;
323 GENERIC: resolve-host ( addrspec -- seq )
325 TUPLE: hostname host ;
327 TUPLE: inet < hostname port ;
330 [ host>> ] [ port>> number>string ] bi ":" glue ;
334 M: string resolve-host
335 f prepare-addrinfo f <void*>
336 [ getaddrinfo addrinfo-error ] keep *void* addrinfo memory>struct
337 [ parse-addrinfo-list ] keep freeaddrinfo ;
339 M: hostname resolve-host
340 host>> resolve-host ;
343 [ call-next-method ] [ port>> ] bi '[ _ with-port ] map ;
345 M: inet4 resolve-host 1array ;
347 M: inet6 resolve-host 1array ;
349 M: local resolve-host 1array ;
352 drop { T{ ipv6 f "::" } T{ ipv4 f "0.0.0.0" } } ;
354 : host-name ( -- string )
355 256 <byte-array> dup dup length gethostname
356 zero? [ "gethostname failed" throw ] unless
359 M: inet (client) resolve-host (client) ;
361 ERROR: invalid-inet-server addrspec ;
363 M: invalid-inet-server summary
364 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
367 invalid-inet-server ;
369 ERROR: invalid-local-address addrspec ;
371 M: invalid-local-address summary
372 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
374 : with-local-address ( addr quot -- )
376 [ ] [ inet4? ] [ inet6? ] tri or
377 [ bind-local-address ]
378 [ invalid-local-address ] if
379 ] dip with-variable ; inline
382 { [ os unix? ] [ "io.sockets.unix" require ] }
383 { [ os winnt? ] [ "io.sockets.windows.nt" require ] }