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 ;
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 : make-sockaddr/size ( addrspec -- sockaddr size )
35 [ make-sockaddr ] [ sockaddr-size ] bi ;
37 : empty-sockaddr/size ( addrspec -- sockaddr size )
38 [ empty-sockaddr ] [ sockaddr-size ] bi ;
40 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
42 M: f parse-sockaddr nip ;
44 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
46 HOOK: addrspec-of-family os ( af -- addrspec )
52 : <local> ( path -- addrspec )
53 normalize-path local boa ;
55 M: local present path>> "Unix domain socket: " prepend ;
61 M: ipv4 inet-ntop ( data addrspec -- str )
62 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
66 ERROR: malformed-ipv4 sequence ;
68 ERROR: bad-ipv4-component string ;
70 : parse-ipv4 ( string -- seq )
71 "." split dup length 4 = [ malformed-ipv4 ] unless
72 [ dup string>number [ ] [ bad-ipv4-component ] ?if ] B{ } map-as ;
74 ERROR: invalid-ipv4 string reason ;
76 M: invalid-ipv4 summary drop "Invalid IPv4 address" ;
80 M: ipv4 inet-pton ( str addrspec -- data )
81 drop [ parse-ipv4 ] [ invalid-ipv4 ] recover ;
83 M: ipv4 address-size drop 4 ;
85 M: ipv4 protocol-family drop PF_INET ;
87 M: ipv4 sockaddr-size drop sockaddr-in heap-size ;
89 M: ipv4 empty-sockaddr drop sockaddr-in <struct> ;
91 M: ipv4 make-sockaddr ( inet -- sockaddr )
95 [ port>> htons >>port ]
96 [ host>> "0.0.0.0" or ]
97 [ inet-pton *uint >>addr ] tri ;
99 TUPLE: inet4 < ipv4 port ;
103 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
104 [ [ addr>> <uint> ] dip inet-ntop ]
105 [ drop port>> ntohs ] 2bi <inet4> ;
108 [ host>> ] [ port>> number>string ] bi ":" glue ;
112 M: ipv6 inet-ntop ( data addrspec -- str )
113 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
115 ERROR: invalid-ipv6 string reason ;
119 ERROR: bad-ipv6-component obj ;
121 ERROR: bad-ipv4-embedded-prefix obj ;
123 ERROR: more-than-8-components ;
125 : parse-ipv6-component ( seq -- seq' )
126 [ dup hex> [ nip ] [ bad-ipv6-component ] if* ] { } map-as ;
128 : parse-ipv6 ( string -- seq )
130 ":" split CHAR: . over last member? [
132 [ parse-ipv6-component ] [ parse-ipv4 ] bi* append
138 : pad-ipv6 ( string1 string2 -- seq )
139 2dup [ length ] bi@ + 8 swap -
140 dup 0 < [ more-than-8-components ] when
143 : ipv6-bytes ( seq -- bytes )
144 [ 2 >be ] { } map-as B{ } concat-as ;
148 M: ipv6 inet-pton ( str addrspec -- data )
150 [ "::" split1 [ parse-ipv6 ] bi@ pad-ipv6 ipv6-bytes ]
154 M: ipv6 address-size drop 16 ;
156 M: ipv6 protocol-family drop PF_INET6 ;
158 M: ipv6 sockaddr-size drop sockaddr-in6 heap-size ;
160 M: ipv6 empty-sockaddr drop sockaddr-in6 <struct> ;
162 M: ipv6 make-sockaddr ( inet -- sockaddr )
163 sockaddr-in6 <struct>
165 swap [ port>> htons >>port ]
167 [ inet-pton >>addr ] tri ;
169 TUPLE: inet6 < ipv6 port ;
173 M: inet6 parse-sockaddr
174 [ [ addr>> ] dip inet-ntop ]
175 [ drop port>> ntohs ] 2bi <inet6> ;
178 [ host>> ] [ port>> number>string ] bi ":" glue ;
182 GENERIC: (get-local-address) ( handle remote -- sockaddr )
184 : get-local-address ( handle remote -- local )
185 [ (get-local-address) ] keep parse-sockaddr ;
187 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
189 : get-remote-address ( handle local -- remote )
190 [ (get-remote-address) ] keep parse-sockaddr ;
192 : <ports> ( handle -- input-port output-port )
194 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
197 SYMBOL: bind-local-address
199 GENERIC: establish-connection ( client-out remote -- )
201 GENERIC: ((client)) ( remote -- handle )
203 GENERIC: (client) ( remote -- client-in client-out local )
205 M: array (client) [ (client) 3array ] attempt-all first3 ;
207 M: object (client) ( remote -- client-in client-out local )
211 [ <ports> [ |dispose ] bi@ dup ] dip
214 [ get-local-address ]
218 TUPLE: server-port < port addr encoding ;
220 : check-server-port ( port -- port )
222 dup server-port? [ "Not a server port" throw ] unless ; inline
224 GENERIC: (server) ( addrspec -- handle )
226 GENERIC: (accept) ( server addrspec -- handle sockaddr )
228 TUPLE: datagram-port < port addr ;
230 HOOK: (datagram) io-backend ( addr -- datagram )
232 : check-datagram-port ( port -- port )
234 dup datagram-port? [ "Not a datagram port" throw ] unless ; inline
236 HOOK: (receive) io-backend ( datagram -- packet addrspec )
238 : check-datagram-send ( packet addrspec port -- packet addrspec port )
240 2dup addr>> [ class ] bi@ assert=
241 pick class byte-array assert= ;
243 HOOK: (send) io-backend ( packet addrspec datagram -- )
245 : addrinfo>addrspec ( addrinfo -- addrspec )
246 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
247 [ family>> addrspec-of-family ] bi
250 : parse-addrinfo-list ( addrinfo -- seq )
252 [ addrinfo>addrspec ] map
255 HOOK: addrinfo-error io-backend ( n -- )
257 : resolve-passive-host ( -- addrspecs )
258 { T{ inet6 f "::" f } T{ inet4 f "0.0.0.0" f } } [ clone ] map ;
260 : prepare-addrinfo ( -- addrinfo )
263 IPPROTO_TCP >>protocol ;
265 : fill-in-ports ( addrspecs port -- addrspecs )
270 : <client> ( remote encoding -- stream local )
271 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
273 SYMBOL: local-address
275 SYMBOL: remote-address
277 : with-client ( remote encoding quot -- )
280 over remote-address set
281 <client> local-address set
283 ] with-scope ; inline
285 : <server> ( addrspec encoding -- server )
288 [ drop server-port <port> ] [ get-local-address ] 2bi
292 : accept ( server -- client remote )
298 ] keep encoding>> <encoder-duplex> swap ;
300 : <datagram> ( addrspec -- datagram )
302 [ (datagram) |dispose ] keep
303 [ drop datagram-port <port> ] [ get-local-address ] 2bi
307 : receive ( datagram -- packet addrspec )
309 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
311 : send ( packet addrspec datagram -- )
312 check-datagram-send (send) ;
314 GENERIC: resolve-host ( addrspec -- seq )
316 TUPLE: hostname host ;
318 TUPLE: inet < hostname port ;
321 [ host>> ] [ port>> number>string ] bi ":" glue ;
325 M: hostname resolve-host
327 f prepare-addrinfo f <void*>
328 [ getaddrinfo addrinfo-error ] keep *void* addrinfo memory>struct
329 [ parse-addrinfo-list ] keep freeaddrinfo
330 ] [ resolve-passive-host ] if* ;
333 [ call-next-method ] [ port>> ] bi fill-in-ports ;
335 M: f resolve-host drop { } ;
337 M: object resolve-host 1array ;
339 : host-name ( -- string )
340 256 <byte-array> dup dup length gethostname
341 zero? [ "gethostname failed" throw ] unless
344 M: inet (client) resolve-host (client) ;
346 ERROR: invalid-inet-server addrspec ;
348 M: invalid-inet-server summary
349 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
352 invalid-inet-server ;
354 ERROR: invalid-local-address addrspec ;
356 M: invalid-local-address summary
357 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
359 : with-local-address ( addr quot -- )
361 [ ] [ inet4? ] [ inet6? ] tri or
362 [ bind-local-address ]
363 [ invalid-local-address ] if
364 ] dip with-variable ; inline
367 { [ os unix? ] [ "io.sockets.unix" require ] }
368 { [ os winnt? ] [ "io.sockets.windows.nt" require ] }