1 ! Copyright (C) 2007, 2008 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 HOOK: sockaddr-of-family os ( alien af -- sockaddr )
44 HOOK: addrspec-of-family os ( af -- addrspec )
48 TUPLE: abstract-inet host port ;
50 M: abstract-inet present
51 [ host>> ":" ] [ port>> number>string ] bi 3append ;
55 : <local> ( path -- addrspec )
56 normalize-path local boa ;
58 M: local present path>> "Unix domain socket: " prepend ;
60 TUPLE: inet4 < abstract-inet ;
64 M: inet4 inet-ntop ( data addrspec -- str )
65 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
67 ERROR: malformed-inet4 sequence ;
68 ERROR: bad-inet4-component string ;
70 : parse-inet4 ( string -- seq )
71 "." split dup length 4 = [
76 [ "Dotted component not a number" throw ] unless*
79 ERROR: invalid-inet4 string reason ;
81 M: invalid-inet4 summary drop "Invalid IPv4 address" ;
83 M: inet4 inet-pton ( str addrspec -- data )
85 [ parse-inet4 ] [ invalid-inet4 ] recover ;
87 M: inet4 address-size drop 4 ;
89 M: inet4 protocol-family drop PF_INET ;
91 M: inet4 sockaddr-size drop sockaddr-in heap-size ;
93 M: inet4 empty-sockaddr drop sockaddr-in <struct> ;
95 M: inet4 make-sockaddr ( inet -- sockaddr )
98 swap [ port>> htons >>port ]
99 [ host>> "0.0.0.0" or ]
100 [ inet-pton *uint >>addr ] tri ;
102 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
103 [ [ addr>> <uint> ] dip inet-ntop ]
104 [ drop port>> ntohs ] 2bi <inet4> ;
106 TUPLE: inet6 < abstract-inet ;
110 M: inet6 inet-ntop ( data addrspec -- str )
111 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
113 ERROR: invalid-inet6 string reason ;
115 M: invalid-inet6 summary drop "Invalid IPv6 address" ;
119 ERROR: bad-ipv6-component obj ;
121 ERROR: bad-ipv4-embedded-prefix obj ;
123 : ensure-zero-prefix ( seq -- seq )
125 [ { f 0 } swap member? ] all? [ bad-ipv4-embedded-prefix ] unless ;
127 : parse-inet6 ( string -- seq )
129 ":" split CHAR: . over last member? [
131 [ ensure-zero-prefix drop ] [ parse-inet4 ] bi*
134 dup hex> [ nip ] [ bad-ipv6-component ] if*
139 : pad-inet6 ( string1 string2 -- seq )
140 2dup [ length ] bi@ + 8 swap -
141 dup 0 < [ "More than 8 components" throw ] when
144 : inet6-bytes ( seq -- bytes )
145 [ 2 >be ] { } map-as B{ } concat-as ;
149 M: inet6 inet-pton ( str addrspec -- data )
152 "::" split1 [ parse-inet6 ] bi@ pad-inet6 inet6-bytes
153 ] [ invalid-inet6 ] recover ;
155 M: inet6 address-size drop 16 ;
157 M: inet6 protocol-family drop PF_INET6 ;
159 M: inet6 sockaddr-size drop sockaddr-in6 heap-size ;
161 M: inet6 empty-sockaddr drop sockaddr-in6 <struct> ;
163 M: inet6 make-sockaddr ( inet -- sockaddr )
164 sockaddr-in6 <struct>
166 swap [ port>> htons >>port ]
168 [ inet-pton >>addr ] tri ;
170 M: inet6 parse-sockaddr
171 [ [ addr>> ] dip inet-ntop ]
172 [ drop port>> ntohs ] 2bi <inet6> ;
174 M: f parse-sockaddr nip ;
178 GENERIC: (get-local-address) ( handle remote -- sockaddr )
180 : get-local-address ( handle remote -- local )
181 [ (get-local-address) ] keep parse-sockaddr ;
183 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
185 : get-remote-address ( handle local -- remote )
186 [ (get-remote-address) ] keep parse-sockaddr ;
188 : <ports> ( handle -- input-port output-port )
190 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
193 SYMBOL: bind-local-address
195 GENERIC: establish-connection ( client-out remote -- )
197 GENERIC: ((client)) ( remote -- handle )
199 GENERIC: (client) ( remote -- client-in client-out local )
201 M: array (client) [ (client) 3array ] attempt-all first3 ;
203 M: object (client) ( remote -- client-in client-out local )
207 [ <ports> [ |dispose ] bi@ dup ] dip
210 [ get-local-address ]
214 TUPLE: server-port < port addr encoding ;
216 : check-server-port ( port -- port )
218 dup server-port? [ "Not a server port" throw ] unless ; inline
220 GENERIC: (server) ( addrspec -- handle )
222 GENERIC: (accept) ( server addrspec -- handle sockaddr )
224 TUPLE: datagram-port < port addr ;
226 HOOK: (datagram) io-backend ( addr -- datagram )
228 : check-datagram-port ( port -- port )
230 dup datagram-port? [ "Not a datagram port" throw ] unless ; inline
232 HOOK: (receive) io-backend ( datagram -- packet addrspec )
234 : check-datagram-send ( packet addrspec port -- packet addrspec port )
236 2dup addr>> [ class ] bi@ assert=
237 pick class byte-array assert= ;
239 HOOK: (send) io-backend ( packet addrspec datagram -- )
241 : addrinfo>addrspec ( addrinfo -- addrspec )
242 [ [ addr>> ] [ family>> ] bi sockaddr-of-family ]
243 [ family>> addrspec-of-family ] bi
246 : parse-addrinfo-list ( addrinfo -- seq )
247 [ next>> dup [ addrinfo memory>struct ] when ] follow
248 [ addrinfo>addrspec ] map
251 HOOK: addrinfo-error io-backend ( n -- )
253 : resolve-passive-host ( -- addrspecs )
254 { T{ inet6 f "::" f } T{ inet4 f "0.0.0.0" f } } [ clone ] map ;
256 : prepare-addrinfo ( -- addrinfo )
259 IPPROTO_TCP >>protocol ;
261 : fill-in-ports ( addrspecs port -- addrspecs )
266 : <client> ( remote encoding -- stream local )
267 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
269 SYMBOL: local-address
271 SYMBOL: remote-address
273 : with-client ( remote encoding quot -- )
276 over remote-address set
277 <client> local-address set
279 ] with-scope ; inline
281 : <server> ( addrspec encoding -- server )
284 [ drop server-port <port> ] [ get-local-address ] 2bi
288 : accept ( server -- client remote )
294 ] keep encoding>> <encoder-duplex> swap ;
296 : <datagram> ( addrspec -- datagram )
298 [ (datagram) |dispose ] keep
299 [ drop datagram-port <port> ] [ get-local-address ] 2bi
303 : receive ( datagram -- packet addrspec )
305 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
307 : send ( packet addrspec datagram -- )
308 check-datagram-send (send) ;
310 GENERIC: resolve-host ( addrspec -- seq )
312 TUPLE: inet < abstract-inet ;
317 [ port>> ] [ host>> ] bi [
318 f prepare-addrinfo f <void*>
319 [ getaddrinfo addrinfo-error ] keep *void* addrinfo memory>struct
320 [ parse-addrinfo-list ] keep freeaddrinfo
321 ] [ resolve-passive-host ] if*
324 M: f resolve-host drop { } ;
326 M: object resolve-host 1array ;
328 : host-name ( -- string )
329 256 <byte-array> dup dup length gethostname
330 zero? [ "gethostname failed" throw ] unless
333 M: inet (client) resolve-host (client) ;
335 ERROR: invalid-inet-server addrspec ;
337 M: invalid-inet-server summary
338 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
341 invalid-inet-server ;
343 ERROR: invalid-local-address addrspec ;
345 M: invalid-local-address summary
346 drop "Cannot use with-local-address with <inet>; use <inet4> or <inet6> instead" ;
348 : with-local-address ( addr quot -- )
350 [ ] [ inet4? ] [ inet6? ] tri or
351 [ bind-local-address ]
352 [ invalid-local-address ] if
353 ] dip with-variable ; inline
356 { [ os unix? ] [ "io.sockets.unix" require ] }
357 { [ os winnt? ] [ "io.sockets.windows.nt" require ] }