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
13 { [ os windows? ] [ "windows.winsock" ] }
14 { [ os unix? ] [ "unix" ] }
18 GENERIC: protocol-family ( addrspec -- af )
20 GENERIC: sockaddr-size ( addrspec -- n )
22 GENERIC: make-sockaddr ( addrspec -- sockaddr )
24 GENERIC: empty-sockaddr ( addrspec -- sockaddr )
26 GENERIC: address-size ( addrspec -- n )
28 GENERIC: inet-ntop ( data addrspec -- str )
30 GENERIC: inet-pton ( str addrspec -- data )
32 : make-sockaddr/size ( addrspec -- sockaddr size )
33 [ make-sockaddr ] [ sockaddr-size ] bi ;
35 : empty-sockaddr/size ( addrspec -- sockaddr size )
36 [ empty-sockaddr ] [ sockaddr-size ] bi ;
38 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
42 : <local> ( path -- addrspec )
43 normalize-path local boa ;
45 M: local present path>> "Unix domain socket: " prepend ;
47 TUPLE: abstract-inet host port ;
49 M: abstract-inet present
50 [ host>> ":" ] [ port>> number>string ] bi 3append ;
52 TUPLE: inet4 < abstract-inet ;
56 M: inet4 inet-ntop ( data addrspec -- str )
57 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
59 ERROR: invalid-inet4 string reason ;
61 M: invalid-inet4 summary drop "Invalid IPv4 address" ;
63 M: inet4 inet-pton ( str addrspec -- data )
66 "." split dup length 4 = [
67 "Must have four components" throw
71 [ "Dotted component not a number" throw ] unless*
73 ] [ invalid-inet4 ] recover ;
75 M: inet4 address-size drop 4 ;
77 M: inet4 protocol-family drop PF_INET ;
79 M: inet4 sockaddr-size drop sockaddr-in heap-size ;
81 M: inet4 empty-sockaddr drop sockaddr-in <struct> ;
83 M: inet4 make-sockaddr ( inet -- sockaddr )
86 swap [ port>> htons >>port ]
87 [ host>> "0.0.0.0" or ]
88 [ inet-pton *uint >>addr ] tri ;
90 M: inet4 parse-sockaddr ( sockaddr-in addrspec -- newaddrspec )
91 [ [ addr>> <uint> ] dip inet-ntop ]
92 [ drop port>> ntohs ] 2bi <inet4> ;
94 TUPLE: inet6 < abstract-inet ;
98 M: inet6 inet-ntop ( data addrspec -- str )
99 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
101 ERROR: invalid-inet6 string reason ;
103 M: invalid-inet6 summary drop "Invalid IPv6 address" ;
107 : parse-inet6 ( string -- seq )
110 hex> [ "Component not a number" throw ] unless*
114 : pad-inet6 ( string1 string2 -- seq )
115 2dup [ length ] bi@ + 8 swap -
116 dup 0 < [ "More than 8 components" throw ] when
119 : inet6-bytes ( seq -- bytes )
120 [ 2 >be ] { } map-as B{ } concat-as ;
124 M: inet6 inet-pton ( str addrspec -- data )
127 "::" split1 [ parse-inet6 ] bi@ pad-inet6 inet6-bytes
128 ] [ invalid-inet6 ] recover ;
130 M: inet6 address-size drop 16 ;
132 M: inet6 protocol-family drop PF_INET6 ;
134 M: inet6 sockaddr-size drop sockaddr-in6 heap-size ;
136 M: inet6 empty-sockaddr drop sockaddr-in6 <struct> ;
138 M: inet6 make-sockaddr ( inet -- sockaddr )
139 sockaddr-in6 <struct>
141 swap [ port>> htons >>port ]
143 [ inet-pton >>addr ] tri ;
145 M: inet6 parse-sockaddr
146 [ [ addr>> ] dip inet-ntop ]
147 [ drop port>> ntohs ] 2bi <inet6> ;
149 : addrspec-of-family ( af -- addrspec )
151 { AF_INET [ T{ inet4 } ] }
152 { AF_INET6 [ T{ inet6 } ] }
153 { AF_UNIX [ T{ local } ] }
157 : sockaddr-of-family ( af -- addrspec )
159 { AF_INET [ sockaddr-in ] }
160 { AF_INET6 [ sockaddr-in6 ] }
161 { AF_UNIX [ sockaddr-un ] }
165 M: f parse-sockaddr nip ;
167 GENERIC: (get-local-address) ( handle remote -- sockaddr )
169 : get-local-address ( handle remote -- local )
170 [ (get-local-address) ] keep parse-sockaddr ;
172 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
174 : get-remote-address ( handle local -- remote )
175 [ (get-remote-address) ] keep parse-sockaddr ;
177 : <ports> ( handle -- input-port output-port )
179 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
182 GENERIC: establish-connection ( client-out remote -- )
184 GENERIC: ((client)) ( remote -- handle )
186 GENERIC: (client) ( remote -- client-in client-out local )
188 M: array (client) [ (client) 3array ] attempt-all first3 ;
190 M: object (client) ( remote -- client-in client-out local )
194 [ <ports> [ |dispose ] bi@ dup ] dip
197 [ get-local-address ]
201 : <client> ( remote encoding -- stream local )
202 [ (client) ] dip swap [ <encoder-duplex> ] dip ;
204 SYMBOL: local-address
206 SYMBOL: remote-address
208 : with-client ( remote encoding quot -- )
211 over remote-address set
212 <client> local-address set
214 ] with-scope ; inline
216 TUPLE: server-port < port addr encoding ;
218 : check-server-port ( port -- port )
220 dup server-port? [ "Not a server port" throw ] unless ; inline
222 GENERIC: (server) ( addrspec -- handle )
224 : <server> ( addrspec encoding -- server )
227 [ drop server-port <port> ] [ get-local-address ] 2bi
231 GENERIC: (accept) ( server addrspec -- handle sockaddr )
233 : accept ( server -- client remote )
239 ] keep encoding>> <encoder-duplex> swap ;
241 TUPLE: datagram-port < port addr ;
243 HOOK: (datagram) io-backend ( addr -- datagram )
245 : <datagram> ( addrspec -- datagram )
247 [ (datagram) |dispose ] keep
248 [ drop datagram-port <port> ] [ get-local-address ] 2bi
252 : check-datagram-port ( port -- port )
254 dup datagram-port? [ "Not a datagram port" throw ] unless ; inline
256 HOOK: (receive) io-backend ( datagram -- packet addrspec )
258 : receive ( datagram -- packet addrspec )
260 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
262 : check-datagram-send ( packet addrspec port -- packet addrspec port )
264 2dup addr>> [ class ] bi@ assert=
265 pick class byte-array assert= ;
267 HOOK: (send) io-backend ( packet addrspec datagram -- )
269 : send ( packet addrspec datagram -- )
270 check-datagram-send (send) ;
272 : addrinfo>addrspec ( addrinfo -- addrspec )
273 [ [ addr>> ] [ family>> sockaddr-of-family ] bi memory>struct ]
274 [ family>> addrspec-of-family ] bi
277 : parse-addrinfo-list ( addrinfo -- seq )
278 [ next>> dup [ addrinfo memory>struct ] when ] follow
279 [ addrinfo>addrspec ] map
282 HOOK: addrinfo-error io-backend ( n -- )
284 GENERIC: resolve-host ( addrspec -- seq )
286 TUPLE: inet < abstract-inet ;
290 : resolve-passive-host ( -- addrspecs )
291 { T{ inet6 f "::" f } T{ inet4 f "0.0.0.0" f } } [ clone ] map ;
293 : prepare-addrinfo ( -- addrinfo )
296 IPPROTO_TCP >>protocol ;
298 : fill-in-ports ( addrspecs port -- addrspecs )
302 [ port>> ] [ host>> ] bi [
303 f prepare-addrinfo f <void*>
304 [ getaddrinfo addrinfo-error ] keep *void* addrinfo memory>struct
305 [ parse-addrinfo-list ] keep freeaddrinfo
306 ] [ resolve-passive-host ] if*
309 M: f resolve-host drop { } ;
311 M: object resolve-host 1array ;
313 : host-name ( -- string )
314 256 <byte-array> dup dup length gethostname
315 zero? [ "gethostname failed" throw ] unless
318 M: inet (client) resolve-host (client) ;
320 ERROR: invalid-inet-server addrspec ;
322 M: invalid-inet-server summary
323 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
326 invalid-inet-server ;
329 { [ os unix? ] [ "io.sockets.unix" require ] }
330 { [ os winnt? ] [ "io.sockets.windows.nt" require ] }