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
5 sequences arrays io.encodings io.ports io.streams.duplex
6 io.encodings.ascii alien.strings io.binary accessors destructors
7 classes debugger byte-arrays system combinators parser
8 alien.c-types math.parser splitting grouping
9 math assocs inspector ;
13 { [ os windows? ] [ "windows.winsock" ] }
14 { [ os unix? ] [ "unix" ] }
18 GENERIC: protocol-family ( addrspec -- af )
20 GENERIC: sockaddr-type ( addrspec -- type )
22 GENERIC: make-sockaddr ( addrspec -- sockaddr )
24 GENERIC: address-size ( addrspec -- n )
26 GENERIC: inet-ntop ( data addrspec -- str )
28 GENERIC: inet-pton ( str addrspec -- data )
30 : make-sockaddr/size ( addrspec -- sockaddr size )
31 [ make-sockaddr ] [ sockaddr-type heap-size ] bi ;
33 : empty-sockaddr/size ( addrspec -- sockaddr size )
34 sockaddr-type [ <c-object> ] [ heap-size ] bi ;
36 GENERIC: parse-sockaddr ( sockaddr addrspec -- newaddrspec )
40 : <local> ( path -- addrspec )
41 normalize-path local boa ;
43 TUPLE: inet4 host port ;
47 M: inet4 inet-ntop ( data addrspec -- str )
48 drop 4 memory>byte-array [ number>string ] { } map-as "." join ;
50 ERROR: invalid-inet4 string reason ;
52 M: invalid-inet4 summary drop "Invalid IPv4 address" ;
54 M: inet4 inet-pton ( str addrspec -- data )
57 "." split dup length 4 = [
58 "Must have four components" throw
62 [ "Dotted component not a number" throw ] unless*
64 ] [ invalid-inet4 ] recover ;
66 M: inet4 address-size drop 4 ;
68 M: inet4 protocol-family drop PF_INET ;
70 M: inet4 sockaddr-type drop "sockaddr-in" c-type ;
72 M: inet4 make-sockaddr ( inet -- sockaddr )
73 "sockaddr-in" <c-object>
74 AF_INET over set-sockaddr-in-family
75 over inet4-port htons over set-sockaddr-in-port
78 rot inet-pton *uint over set-sockaddr-in-addr ;
84 : (port) ( port -- port' ) port-override get swap or ;
88 M: inet4 parse-sockaddr
89 >r dup sockaddr-in-addr <uint> r> inet-ntop
90 swap sockaddr-in-port ntohs (port) <inet4> ;
92 TUPLE: inet6 host port ;
96 M: inet6 inet-ntop ( data addrspec -- str )
97 drop 16 memory>byte-array 2 <groups> [ be> >hex ] map ":" join ;
99 ERROR: invalid-inet6 string reason ;
101 M: invalid-inet6 summary drop "Invalid IPv6 address" ;
105 : parse-inet6 ( string -- seq )
106 dup empty? [ drop f ] [
108 hex> [ "Component not a number" throw ] unless*
112 : pad-inet6 ( string1 string2 -- seq )
113 2dup [ length ] bi@ + 8 swap -
114 dup 0 < [ "More than 8 components" throw ] when
115 <byte-array> swap 3append ;
117 : inet6-bytes ( seq -- bytes )
118 [ 2 >be ] { } map-as concat >byte-array ;
122 M: inet6 inet-pton ( str addrspec -- data )
125 "::" split1 [ parse-inet6 ] bi@ pad-inet6 inet6-bytes
126 ] [ invalid-inet6 ] recover ;
128 M: inet6 address-size drop 16 ;
130 M: inet6 protocol-family drop PF_INET6 ;
132 M: inet6 sockaddr-type drop "sockaddr-in6" c-type ;
134 M: inet6 make-sockaddr ( inet -- sockaddr )
135 "sockaddr-in6" <c-object>
136 AF_INET6 over set-sockaddr-in6-family
137 over inet6-port htons over set-sockaddr-in6-port
138 over inet6-host "::" or
139 rot inet-pton over set-sockaddr-in6-addr ;
141 M: inet6 parse-sockaddr
142 >r dup sockaddr-in6-addr r> inet-ntop
143 swap sockaddr-in6-port ntohs (port) <inet6> ;
145 : addrspec-of-family ( af -- addrspec )
147 { AF_INET [ T{ inet4 } ] }
148 { AF_INET6 [ T{ inet6 } ] }
149 { AF_UNIX [ T{ local } ] }
153 M: f parse-sockaddr nip ;
155 GENERIC: (get-local-address) ( handle remote -- sockaddr )
157 : get-local-address ( handle remote -- local )
158 [ (get-local-address) ] keep parse-sockaddr ;
160 GENERIC: (get-remote-address) ( handle remote -- sockaddr )
162 : get-remote-address ( handle local -- remote )
163 [ (get-remote-address) ] keep parse-sockaddr ;
165 : <ports> ( handle -- input-port output-port )
167 [ <input-port> |dispose ] [ <output-port> |dispose ] bi
170 GENERIC: establish-connection ( client-out remote -- )
172 GENERIC: ((client)) ( remote -- handle )
174 GENERIC: (client) ( remote -- client-in client-out local )
176 M: array (client) [ (client) 3array ] attempt-all first3 ;
178 M: object (client) ( remote -- client-in client-out local )
182 >r <ports> [ |dispose ] bi@ dup r>
185 [ get-local-address ]
189 : <client> ( remote encoding -- stream local )
190 >r (client) -rot r> <encoder-duplex> swap ;
192 SYMBOL: local-address
194 : with-client ( remote encoding quot -- )
195 >r <client> [ local-address set ] curry
196 r> compose with-stream ; inline
198 TUPLE: server-port < port addr encoding ;
200 : check-server-port ( port -- port )
202 dup server-port? [ "Not a server port" throw ] unless ; inline
204 GENERIC: (server) ( addrspec -- handle )
206 : <server> ( addrspec encoding -- server )
209 [ drop server-port <port> ] [ get-local-address ] 2bi
210 >>addr r> >>encoding ;
212 GENERIC: (accept) ( server addrspec -- handle sockaddr )
214 : accept ( server -- client remote )
220 ] keep encoding>> <encoder-duplex> swap ;
222 TUPLE: datagram-port < port addr ;
224 HOOK: (datagram) io-backend ( addr -- datagram )
226 : <datagram> ( addrspec -- datagram )
228 [ (datagram) |dispose ] keep
229 [ drop datagram-port <port> ] [ get-local-address ] 2bi
233 : check-datagram-port ( port -- port )
235 dup datagram-port? [ "Not a datagram port" throw ] unless ; inline
237 HOOK: (receive) io-backend ( datagram -- packet addrspec )
239 : receive ( datagram -- packet addrspec )
241 [ (receive) ] [ addr>> ] bi parse-sockaddr ;
243 : check-datagram-send ( packet addrspec port -- packet addrspec port )
245 2dup addr>> [ class ] bi@ assert=
246 pick class byte-array assert= ;
248 HOOK: (send) io-backend ( packet addrspec datagram -- )
250 : send ( packet addrspec datagram -- )
251 check-datagram-send (send) ;
253 : addrinfo>addrspec ( addrinfo -- addrspec )
254 [ addrinfo-addr ] [ addrinfo-family addrspec-of-family ] bi
257 : parse-addrinfo-list ( addrinfo -- seq )
258 [ addrinfo-next ] follow
259 [ addrinfo>addrspec ] map
262 : prepare-resolve-host ( addrspec -- host' serv' flags )
263 #! If the port is a number, we resolve for 'http' then
264 #! change it later. This is a workaround for a FreeBSD
265 #! getaddrinfo() limitation -- on Windows, Linux and Mac,
266 #! we can convert a number to a string and pass that as the
267 #! service name, but on FreeBSD this gives us an unknown
270 [ port>> dup integer? [ port-override set "http" ] when ] bi
271 over 0 AI_PASSIVE ? ;
273 HOOK: addrinfo-error io-backend ( n -- )
275 GENERIC: resolve-host ( addrspec -- seq )
277 TUPLE: inet host port ;
284 "addrinfo" <c-object>
285 [ set-addrinfo-flags ] keep
286 PF_UNSPEC over set-addrinfo-family
287 IPPROTO_TCP over set-addrinfo-protocol
288 f <void*> [ getaddrinfo addrinfo-error ] keep *void*
289 [ parse-addrinfo-list ] keep
293 M: f resolve-host drop { } ;
295 M: object resolve-host 1array ;
297 : host-name ( -- string )
298 256 <byte-array> dup dup length gethostname
299 zero? [ "gethostname failed" throw ] unless
302 M: inet (client) resolve-host (client) ;
304 ERROR: invalid-inet-server addrspec ;
306 M: invalid-inet-server summary
307 drop "Cannot use <server> with <inet>; use <inet4> or <inet6> instead" ;
310 invalid-inet-server ;