Commit | Line | Data |
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e4b265d8 | 1 | /* Copyright (C) 1996,1997,1998,2000,2001 Free Software Foundation, Inc. |
86667910 JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
86667910 JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 | 41 | |
1bbd0b84 | 42 | |
0f2d19dd JB |
43 | \f |
44 | ||
e6e2e95a MD |
45 | #include <errno.h> |
46 | ||
a0599745 MD |
47 | #include "libguile/_scm.h" |
48 | #include "libguile/unif.h" | |
49 | #include "libguile/feature.h" | |
50 | #include "libguile/fports.h" | |
51 | #include "libguile/strings.h" | |
52 | #include "libguile/vectors.h" | |
20e6290e | 53 | |
a0599745 MD |
54 | #include "libguile/validate.h" |
55 | #include "libguile/socket.h" | |
95b88819 | 56 | |
b4e15479 SJ |
57 | #ifdef __MINGW32__ |
58 | #include "win32-socket.h" | |
59 | #endif | |
60 | ||
95b88819 GH |
61 | #ifdef HAVE_STRING_H |
62 | #include <string.h> | |
63 | #endif | |
370312ae GH |
64 | #ifdef HAVE_UNISTD_H |
65 | #include <unistd.h> | |
66 | #endif | |
0f2d19dd | 67 | #include <sys/types.h> |
82893676 MG |
68 | #ifdef HAVE_WINSOCK2_H |
69 | #include <winsock2.h> | |
70 | #else | |
0f2d19dd | 71 | #include <sys/socket.h> |
1ba8c23a | 72 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
0f2d19dd | 73 | #include <sys/un.h> |
0e958795 | 74 | #endif |
0f2d19dd JB |
75 | #include <netinet/in.h> |
76 | #include <netdb.h> | |
77 | #include <arpa/inet.h> | |
82893676 | 78 | #endif |
0f2d19dd | 79 | |
97d0e20b GH |
80 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN) |
81 | #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \ | |
82 | + strlen ((ptr)->sun_path)) | |
83 | #endif | |
84 | ||
00120130 GH |
85 | #if !defined (HAVE_UINT32_T) |
86 | #if SIZEOF_INT == 4 | |
87 | typedef unsigned int uint32_t; | |
88 | #elif SIZEOF_LONG == 4 | |
89 | typedef unsigned long uint32_t; | |
90 | #else | |
91 | #error can not define uint32_t | |
92 | #endif | |
93 | #endif | |
94 | ||
439006bf GH |
95 | /* we are not currently using socklen_t. it's not defined on all systems, |
96 | so would need to be checked by configure. in the meantime, plain | |
97 | int is the best alternative. */ | |
98 | ||
0f2d19dd JB |
99 | \f |
100 | ||
a1ec6916 | 101 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
102 | (SCM value), |
103 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
104 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
105 | "and returned as a new integer.") | |
1bbd0b84 | 106 | #define FUNC_NAME s_scm_htons |
5c11cc9d GH |
107 | { |
108 | unsigned short c_in; | |
109 | ||
eefae538 GH |
110 | SCM_VALIDATE_INUM_COPY (1, value, c_in); |
111 | if (c_in != SCM_INUM (value)) | |
112 | SCM_OUT_OF_RANGE (1, value); | |
5c11cc9d GH |
113 | |
114 | return SCM_MAKINUM (htons (c_in)); | |
115 | } | |
1bbd0b84 | 116 | #undef FUNC_NAME |
5c11cc9d | 117 | |
a1ec6916 | 118 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
119 | (SCM value), |
120 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
121 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
122 | "and returned as a new integer.") | |
1bbd0b84 | 123 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d GH |
124 | { |
125 | unsigned short c_in; | |
126 | ||
eefae538 GH |
127 | SCM_VALIDATE_INUM_COPY (1, value, c_in); |
128 | if (c_in != SCM_INUM (value)) | |
129 | SCM_OUT_OF_RANGE (1, value); | |
5c11cc9d GH |
130 | |
131 | return SCM_MAKINUM (ntohs (c_in)); | |
132 | } | |
1bbd0b84 | 133 | #undef FUNC_NAME |
5c11cc9d | 134 | |
a1ec6916 | 135 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
136 | (SCM value), |
137 | "Convert a 32 bit quantity from host to network byte ordering.\n" | |
138 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
139 | "and returned as a new integer.") | |
1bbd0b84 | 140 | #define FUNC_NAME s_scm_htonl |
5c11cc9d | 141 | { |
eefae538 | 142 | uint32_t c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 143 | |
5c11cc9d GH |
144 | return scm_ulong2num (htonl (c_in)); |
145 | } | |
1bbd0b84 | 146 | #undef FUNC_NAME |
5c11cc9d | 147 | |
a1ec6916 | 148 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
149 | (SCM value), |
150 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
151 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
152 | "and returned as a new integer.") | |
1bbd0b84 | 153 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 154 | { |
eefae538 | 155 | uint32_t c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 156 | |
5c11cc9d GH |
157 | return scm_ulong2num (ntohl (c_in)); |
158 | } | |
1bbd0b84 | 159 | #undef FUNC_NAME |
5c11cc9d | 160 | |
66c73b76 GH |
161 | #ifndef HAVE_INET_ATON |
162 | /* for our definition in inet_aton.c, not usually needed. */ | |
163 | extern int inet_aton (); | |
164 | #endif | |
165 | ||
166 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
167 | (SCM address), | |
eefae538 GH |
168 | "Convert an IPv4 Internet address from printable string\n" |
169 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
170 | "@lisp\n" |
171 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
172 | "@end lisp") | |
173 | #define FUNC_NAME s_scm_inet_aton | |
174 | { | |
175 | struct in_addr soka; | |
176 | ||
177 | SCM_VALIDATE_STRING (1, address); | |
66c73b76 GH |
178 | if (inet_aton (SCM_STRING_CHARS (address), &soka) == 0) |
179 | SCM_MISC_ERROR ("bad address", SCM_EOL); | |
180 | return scm_ulong2num (ntohl (soka.s_addr)); | |
181 | } | |
182 | #undef FUNC_NAME | |
183 | ||
184 | ||
185 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
186 | (SCM inetid), | |
eefae538 GH |
187 | "Convert an IPv4 Internet address to a printable\n" |
188 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
189 | "@lisp\n" |
190 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
191 | "@end lisp") | |
192 | #define FUNC_NAME s_scm_inet_ntoa | |
193 | { | |
194 | struct in_addr addr; | |
195 | char *s; | |
196 | SCM answer; | |
197 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
198 | s = inet_ntoa (addr); | |
36284627 | 199 | answer = scm_mem2string (s, strlen (s)); |
66c73b76 GH |
200 | return answer; |
201 | } | |
202 | #undef FUNC_NAME | |
203 | ||
204 | #ifdef HAVE_INET_NETOF | |
205 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
206 | (SCM address), | |
eefae538 GH |
207 | "Return the network number part of the given IPv4\n" |
208 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
209 | "@lisp\n" |
210 | "(inet-netof 2130706433) @result{} 127\n" | |
211 | "@end lisp") | |
212 | #define FUNC_NAME s_scm_inet_netof | |
213 | { | |
214 | struct in_addr addr; | |
215 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
216 | return scm_ulong2num ((unsigned long) inet_netof (addr)); | |
217 | } | |
218 | #undef FUNC_NAME | |
219 | #endif | |
220 | ||
221 | #ifdef HAVE_INET_LNAOF | |
222 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
223 | (SCM address), | |
224 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
225 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
226 | "E.g.,\n\n" | |
66c73b76 GH |
227 | "@lisp\n" |
228 | "(inet-lnaof 2130706433) @result{} 1\n" | |
229 | "@end lisp") | |
230 | #define FUNC_NAME s_scm_lnaof | |
231 | { | |
232 | struct in_addr addr; | |
233 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
234 | return scm_ulong2num ((unsigned long) inet_lnaof (addr)); | |
235 | } | |
236 | #undef FUNC_NAME | |
237 | #endif | |
238 | ||
239 | #ifdef HAVE_INET_MAKEADDR | |
240 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
241 | (SCM net, SCM lna), | |
eefae538 | 242 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 243 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 244 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
245 | "@lisp\n" |
246 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
247 | "@end lisp") | |
248 | #define FUNC_NAME s_scm_inet_makeaddr | |
249 | { | |
250 | struct in_addr addr; | |
251 | unsigned long netnum; | |
252 | unsigned long lnanum; | |
253 | ||
254 | netnum = SCM_NUM2ULONG (1, net); | |
255 | lnanum = SCM_NUM2ULONG (2, lna); | |
256 | addr = inet_makeaddr (netnum, lnanum); | |
257 | return scm_ulong2num (ntohl (addr.s_addr)); | |
258 | } | |
259 | #undef FUNC_NAME | |
260 | #endif | |
261 | ||
a57a0b1e | 262 | #ifdef HAVE_IPV6 |
eefae538 | 263 | |
66c73b76 GH |
264 | /* flip a 128 bit IPv6 address between host and network order. */ |
265 | #ifdef WORDS_BIGENDIAN | |
266 | #define FLIP_NET_HOST_128(addr) | |
267 | #else | |
268 | #define FLIP_NET_HOST_128(addr)\ | |
269 | {\ | |
270 | int i;\ | |
271 | \ | |
272 | for (i = 0; i < 8; i++)\ | |
273 | {\ | |
274 | char c = (addr)[i];\ | |
275 | \ | |
276 | (addr)[i] = (addr)[15 - i];\ | |
277 | (addr)[15 - i] = c;\ | |
278 | }\ | |
279 | } | |
280 | #endif | |
281 | ||
282 | /* convert a 128 bit IPv6 address in network order to a host ordered | |
283 | SCM integer. */ | |
284 | static SCM ipv6_net_to_num (const char *src) | |
285 | { | |
286 | int big_digits = 128 / SCM_BITSPERDIG; | |
287 | const int bytes_per_dig = SCM_BITSPERDIG / 8; | |
288 | char addr[16]; | |
289 | char *ptr = addr; | |
290 | SCM result; | |
291 | ||
292 | memcpy (addr, src, 16); | |
293 | /* get rid of leading zeros. */ | |
294 | while (big_digits > 0) | |
295 | { | |
296 | long test = 0; | |
297 | ||
298 | memcpy (&test, ptr, bytes_per_dig); | |
299 | if (test != 0) | |
300 | break; | |
301 | ptr += bytes_per_dig; | |
302 | big_digits--; | |
303 | } | |
304 | FLIP_NET_HOST_128 (addr); | |
305 | if (big_digits * bytes_per_dig <= sizeof (unsigned long)) | |
306 | { | |
307 | /* this is just so that we use INUM where possible. */ | |
308 | unsigned long l_addr; | |
309 | ||
310 | memcpy (&l_addr, addr, sizeof (unsigned long)); | |
311 | result = scm_ulong2num (l_addr); | |
312 | } | |
313 | else | |
314 | { | |
1be6b49c | 315 | result = scm_i_mkbig (big_digits, 0); |
66c73b76 GH |
316 | memcpy (SCM_BDIGITS (result), addr, big_digits * bytes_per_dig); |
317 | } | |
318 | return result; | |
319 | } | |
320 | ||
321 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
322 | network order. */ | |
323 | static void ipv6_num_to_net (SCM src, char *dst) | |
324 | { | |
325 | if (SCM_INUMP (src)) | |
326 | { | |
327 | uint32_t addr = htonl (SCM_INUM (src)); | |
328 | ||
329 | memset (dst, 0, 12); | |
330 | memcpy (dst + 12, &addr, 4); | |
331 | } | |
332 | else | |
333 | { | |
334 | memset (dst, 0, 16); | |
335 | memcpy (dst, SCM_BDIGITS (src), | |
336 | SCM_NUMDIGS (src) * (SCM_BITSPERDIG / 8)); | |
337 | FLIP_NET_HOST_128 (dst); | |
338 | } | |
339 | } | |
340 | ||
341 | /* check that an SCM variable contains an IPv6 integer address. */ | |
342 | #define VALIDATE_INET6(which_arg, address)\ | |
343 | if (SCM_INUMP (address))\ | |
344 | SCM_ASSERT_RANGE (which_arg, address, SCM_INUM (address) >= 0);\ | |
345 | else\ | |
346 | {\ | |
347 | SCM_VALIDATE_BIGINT (which_arg, address);\ | |
348 | SCM_ASSERT_RANGE (which_arg, address,\ | |
349 | !SCM_BIGSIGN (address)\ | |
350 | && (SCM_BITSPERDIG\ | |
351 | * SCM_NUMDIGS (address) <= 128));\ | |
352 | } | |
353 | ||
354 | #ifdef HAVE_INET_PTON | |
355 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, | |
356 | (SCM family, SCM address), | |
eefae538 GH |
357 | "Convert a string containing a printable network address to\n" |
358 | "an integer address. Note that unlike the C version of this\n" | |
359 | "function,\n" | |
66c73b76 | 360 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 361 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 362 | "@lisp\n" |
dd85ce47 ML |
363 | "(inet-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n" |
364 | "(inet-pton AF_INET6 \"::1\") @result{} 1\n" | |
66c73b76 GH |
365 | "@end lisp") |
366 | #define FUNC_NAME s_scm_inet_pton | |
367 | { | |
368 | int af; | |
369 | char *src; | |
370 | char dst[16]; | |
371 | int rv; | |
372 | ||
373 | SCM_VALIDATE_INUM_COPY (1, family, af); | |
374 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); | |
375 | SCM_VALIDATE_STRING_COPY (2, address, src); | |
376 | rv = inet_pton (af, src, dst); | |
377 | if (rv == -1) | |
378 | SCM_SYSERROR; | |
379 | else if (rv == 0) | |
380 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
381 | if (af == AF_INET) | |
382 | return scm_ulong2num (ntohl (*(uint32_t *) dst)); | |
383 | else | |
384 | return ipv6_net_to_num ((char *) dst); | |
385 | } | |
386 | #undef FUNC_NAME | |
387 | #endif | |
388 | ||
389 | #ifdef HAVE_INET_NTOP | |
390 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, | |
391 | (SCM family, SCM address), | |
eefae538 | 392 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
393 | "Note that unlike the C version of this function,\n" |
394 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 395 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 396 | "@lisp\n" |
dd85ce47 | 397 | "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n" |
66c73b76 GH |
398 | "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n" |
399 | "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n" | |
400 | "@end lisp") | |
401 | #define FUNC_NAME s_scm_inet_ntop | |
402 | { | |
403 | int af; | |
404 | #ifdef INET6_ADDRSTRLEN | |
405 | char dst[INET6_ADDRSTRLEN]; | |
406 | #else | |
407 | char dst[46]; | |
408 | #endif | |
409 | char addr6[16]; | |
410 | ||
411 | SCM_VALIDATE_INUM_COPY (1, family, af); | |
412 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); | |
413 | if (af == AF_INET) | |
414 | *(uint32_t *) addr6 = htonl (SCM_NUM2ULONG (2, address)); | |
415 | else | |
416 | { | |
417 | VALIDATE_INET6 (2, address); | |
418 | ipv6_num_to_net (address, addr6); | |
419 | } | |
420 | if (inet_ntop (af, &addr6, dst, sizeof dst) == NULL) | |
421 | SCM_SYSERROR; | |
422 | return scm_makfrom0str (dst); | |
423 | } | |
424 | #undef FUNC_NAME | |
425 | #endif | |
426 | ||
a57a0b1e | 427 | #endif /* HAVE_IPV6 */ |
eefae538 | 428 | |
bc45012d | 429 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 430 | |
439006bf | 431 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 432 | |
a1ec6916 | 433 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 434 | (SCM family, SCM style, SCM proto), |
1e6808ea | 435 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 436 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
437 | "integers. Supported values for @var{family} are\n" |
438 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
439 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
440 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
441 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 442 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 443 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
444 | "A single socket port cannot by used for communication until it\n" |
445 | "has been connected to another socket.") | |
1bbd0b84 | 446 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 447 | { |
370312ae | 448 | int fd; |
370312ae | 449 | |
439006bf GH |
450 | SCM_VALIDATE_INUM (1, family); |
451 | SCM_VALIDATE_INUM (2, style); | |
452 | SCM_VALIDATE_INUM (3, proto); | |
370312ae | 453 | fd = socket (SCM_INUM (family), SCM_INUM (style), SCM_INUM (proto)); |
439006bf GH |
454 | if (fd == -1) |
455 | SCM_SYSERROR; | |
456 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 457 | } |
1bbd0b84 | 458 | #undef FUNC_NAME |
0f2d19dd | 459 | |
0e958795 | 460 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 461 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 462 | (SCM family, SCM style, SCM proto), |
1e6808ea | 463 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 464 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
465 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
466 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 467 | "@var{proto}.") |
1bbd0b84 | 468 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 469 | { |
370312ae GH |
470 | int fam; |
471 | int fd[2]; | |
370312ae | 472 | |
3b3b36dd GB |
473 | SCM_VALIDATE_INUM (1,family); |
474 | SCM_VALIDATE_INUM (2,style); | |
475 | SCM_VALIDATE_INUM (3,proto); | |
370312ae GH |
476 | |
477 | fam = SCM_INUM (family); | |
478 | ||
370312ae | 479 | if (socketpair (fam, SCM_INUM (style), SCM_INUM (proto), fd) == -1) |
1bbd0b84 | 480 | SCM_SYSERROR; |
370312ae | 481 | |
439006bf | 482 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 483 | } |
1bbd0b84 | 484 | #undef FUNC_NAME |
0e958795 | 485 | #endif |
0f2d19dd | 486 | |
a1ec6916 | 487 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 488 | (SCM sock, SCM level, SCM optname), |
1e6808ea | 489 | "Return the value of a particular socket option for the socket\n" |
eefae538 | 490 | "port @var{sock}. @var{level} is an integer code for type of\n" |
1e6808ea MG |
491 | "option being requested, e.g., @code{SOL_SOCKET} for\n" |
492 | "socket-level options. @var{optname} is an integer code for the\n" | |
493 | "option required and should be specified using one of the\n" | |
eefae538 | 494 | "symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n\n" |
1e6808ea MG |
495 | "The returned value is typically an integer but @code{SO_LINGER}\n" |
496 | "returns a pair of integers.") | |
1bbd0b84 | 497 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 498 | { |
370312ae | 499 | int fd; |
439006bf | 500 | /* size of optval is the largest supported option. */ |
370312ae GH |
501 | #ifdef HAVE_STRUCT_LINGER |
502 | char optval[sizeof (struct linger)]; | |
439006bf | 503 | int optlen = sizeof (struct linger); |
370312ae | 504 | #else |
1be6b49c ML |
505 | char optval[sizeof (size_t)]; |
506 | int optlen = sizeof (size_t); | |
370312ae GH |
507 | #endif |
508 | int ilevel; | |
509 | int ioptname; | |
0f2d19dd | 510 | |
78446828 | 511 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 MD |
512 | SCM_VALIDATE_OPFPORT (1, sock); |
513 | SCM_VALIDATE_INUM_COPY (2, level, ilevel); | |
514 | SCM_VALIDATE_INUM_COPY (3, optname, ioptname); | |
0f2d19dd | 515 | |
ee149d03 | 516 | fd = SCM_FPORT_FDES (sock); |
370312ae | 517 | if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1) |
1bbd0b84 | 518 | SCM_SYSERROR; |
1cc91f1b | 519 | |
439006bf | 520 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 521 | { |
439006bf GH |
522 | #ifdef SO_LINGER |
523 | if (ioptname == SO_LINGER) | |
524 | { | |
370312ae | 525 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
526 | struct linger *ling = (struct linger *) optval; |
527 | ||
528 | return scm_cons (scm_long2num (ling->l_onoff), | |
529 | scm_long2num (ling->l_linger)); | |
370312ae | 530 | #else |
82893676 | 531 | return scm_cons (scm_long2num (*(int *) optval), |
439006bf | 532 | SCM_MAKINUM (0)); |
0f2d19dd | 533 | #endif |
439006bf GH |
534 | } |
535 | else | |
370312ae | 536 | #endif |
439006bf | 537 | if (0 |
370312ae | 538 | #ifdef SO_SNDBUF |
439006bf | 539 | || ioptname == SO_SNDBUF |
370312ae GH |
540 | #endif |
541 | #ifdef SO_RCVBUF | |
439006bf | 542 | || ioptname == SO_RCVBUF |
370312ae | 543 | #endif |
439006bf GH |
544 | ) |
545 | { | |
1be6b49c | 546 | return scm_long2num (*(size_t *) optval); |
439006bf GH |
547 | } |
548 | } | |
549 | return scm_long2num (*(int *) optval); | |
0f2d19dd | 550 | } |
1bbd0b84 | 551 | #undef FUNC_NAME |
0f2d19dd | 552 | |
a1ec6916 | 553 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 554 | (SCM sock, SCM level, SCM optname, SCM value), |
eefae538 GH |
555 | "Set the value of a particular socket option for the socket\n" |
556 | "port @var{sock}. @var{level} is an integer code for type of option\n" | |
b380b885 MD |
557 | "being set, e.g., @code{SOL_SOCKET} for socket-level options.\n" |
558 | "@var{optname} is an\n" | |
559 | "integer code for the option to set and should be specified using one of\n" | |
560 | "the symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n" | |
561 | "@var{value} is the value to which the option should be set. For\n" | |
562 | "most options this must be an integer, but for @code{SO_LINGER} it must\n" | |
563 | "be a pair.\n\n" | |
564 | "The return value is unspecified.") | |
1bbd0b84 | 565 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 566 | { |
370312ae | 567 | int fd; |
439006bf GH |
568 | int optlen = -1; |
569 | /* size of optval is the largest supported option. */ | |
370312ae | 570 | #ifdef HAVE_STRUCT_LINGER |
439006bf | 571 | char optval[sizeof (struct linger)]; |
370312ae | 572 | #else |
1be6b49c | 573 | char optval[sizeof (size_t)]; |
370312ae GH |
574 | #endif |
575 | int ilevel, ioptname; | |
439006bf | 576 | |
78446828 | 577 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
578 | |
579 | SCM_VALIDATE_OPFPORT (1, sock); | |
580 | SCM_VALIDATE_INUM_COPY (2, level, ilevel); | |
581 | SCM_VALIDATE_INUM_COPY (3, optname, ioptname); | |
582 | ||
ee149d03 | 583 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
584 | |
585 | if (ilevel == SOL_SOCKET) | |
370312ae | 586 | { |
439006bf GH |
587 | #ifdef SO_LINGER |
588 | if (ioptname == SO_LINGER) | |
589 | { | |
370312ae | 590 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
591 | struct linger ling; |
592 | long lv; | |
593 | ||
594 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
595 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
596 | ling.l_onoff = (int) lv; | |
597 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_onoff == lv); | |
598 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
599 | ling.l_linger = (int) lv; | |
600 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_linger == lv); | |
601 | optlen = (int) sizeof (struct linger); | |
602 | memcpy (optval, (void *) &ling, optlen); | |
370312ae | 603 | #else |
439006bf GH |
604 | int ling; |
605 | long lv; | |
606 | ||
607 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
608 | /* timeout is ignored, but may as well validate it. */ | |
609 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
610 | ling = (int) lv; | |
611 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
612 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
613 | ling = (int) lv; | |
614 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
615 | optlen = (int) sizeof (int); | |
616 | (*(int *) optval) = ling; | |
617 | #endif | |
618 | } | |
619 | else | |
620 | #endif | |
621 | if (0 | |
370312ae | 622 | #ifdef SO_SNDBUF |
439006bf | 623 | || ioptname == SO_SNDBUF |
370312ae GH |
624 | #endif |
625 | #ifdef SO_RCVBUF | |
439006bf | 626 | || ioptname == SO_RCVBUF |
370312ae | 627 | #endif |
439006bf GH |
628 | ) |
629 | { | |
630 | long lv = SCM_NUM2LONG (4, value); | |
631 | ||
1be6b49c ML |
632 | optlen = (int) sizeof (size_t); |
633 | (*(size_t *) optval) = (size_t) lv; | |
439006bf GH |
634 | } |
635 | } | |
636 | if (optlen == -1) | |
0f2d19dd | 637 | { |
439006bf GH |
638 | /* Most options take an int. */ |
639 | long lv = SCM_NUM2LONG (4, value); | |
640 | int val = (int) lv; | |
641 | ||
642 | SCM_ASSERT_RANGE (SCM_ARG4, value, val == lv); | |
370312ae | 643 | optlen = (int) sizeof (int); |
439006bf | 644 | (*(int *) optval) = val; |
0f2d19dd | 645 | } |
370312ae | 646 | if (setsockopt (fd, ilevel, ioptname, (void *) optval, optlen) == -1) |
1bbd0b84 | 647 | SCM_SYSERROR; |
370312ae | 648 | return SCM_UNSPECIFIED; |
0f2d19dd | 649 | } |
1bbd0b84 | 650 | #undef FUNC_NAME |
0f2d19dd | 651 | |
a1ec6916 | 652 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 653 | (SCM sock, SCM how), |
b380b885 MD |
654 | "Sockets can be closed simply by using @code{close-port}. The\n" |
655 | "@code{shutdown} procedure allows reception or tranmission on a\n" | |
656 | "connection to be shut down individually, according to the parameter\n" | |
657 | "@var{how}:\n\n" | |
658 | "@table @asis\n" | |
659 | "@item 0\n" | |
660 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
661 | "@item 1\n" | |
662 | "Stop trying to transmit data from this socket. Discard any\n" | |
663 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
664 | "data already sent; don't retransmit it if it is lost.\n" | |
665 | "@item 2\n" | |
666 | "Stop both reception and transmission.\n" | |
667 | "@end table\n\n" | |
668 | "The return value is unspecified.") | |
1bbd0b84 | 669 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 670 | { |
370312ae | 671 | int fd; |
78446828 | 672 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
673 | SCM_VALIDATE_OPFPORT (1,sock); |
674 | SCM_VALIDATE_INUM (2,how); | |
1bbd0b84 | 675 | SCM_ASSERT_RANGE(2,how,0 <= SCM_INUM (how) && 2 >= SCM_INUM (how)); |
ee149d03 | 676 | fd = SCM_FPORT_FDES (sock); |
370312ae | 677 | if (shutdown (fd, SCM_INUM (how)) == -1) |
1bbd0b84 | 678 | SCM_SYSERROR; |
370312ae GH |
679 | return SCM_UNSPECIFIED; |
680 | } | |
1bbd0b84 | 681 | #undef FUNC_NAME |
0f2d19dd | 682 | |
370312ae GH |
683 | /* convert fam/address/args into a sockaddr of the appropriate type. |
684 | args is modified by removing the arguments actually used. | |
685 | which_arg and proc are used when reporting errors: | |
686 | which_arg is the position of address in the original argument list. | |
687 | proc is the name of the original procedure. | |
688 | size returns the size of the structure allocated. */ | |
689 | ||
370312ae | 690 | static struct sockaddr * |
439006bf GH |
691 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
692 | const char *proc, int *size) | |
3453619b | 693 | #define FUNC_NAME proc |
370312ae GH |
694 | { |
695 | switch (fam) | |
0f2d19dd | 696 | { |
370312ae GH |
697 | case AF_INET: |
698 | { | |
370312ae | 699 | struct sockaddr_in *soka; |
3453619b GH |
700 | unsigned long addr; |
701 | int port; | |
370312ae | 702 | |
3453619b GH |
703 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
704 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
705 | SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port); | |
706 | *args = SCM_CDR (*args); | |
439006bf GH |
707 | soka = (struct sockaddr_in *) malloc (sizeof (struct sockaddr_in)); |
708 | if (!soka) | |
709 | scm_memory_error (proc); | |
3453619b GH |
710 | /* 4.4BSD-style interface includes sin_len member and defines SIN_LEN, |
711 | 4.3BSD does not. */ | |
712 | #ifdef SIN_LEN | |
713 | soka->sin_len = sizeof (struct sockaddr_in); | |
714 | #endif | |
370312ae | 715 | soka->sin_family = AF_INET; |
3453619b GH |
716 | soka->sin_addr.s_addr = htonl (addr); |
717 | soka->sin_port = htons (port); | |
370312ae GH |
718 | *size = sizeof (struct sockaddr_in); |
719 | return (struct sockaddr *) soka; | |
720 | } | |
a57a0b1e | 721 | #ifdef HAVE_IPV6 |
3453619b GH |
722 | case AF_INET6: |
723 | { | |
724 | /* see RFC2553. */ | |
725 | int port; | |
726 | struct sockaddr_in6 *soka; | |
727 | unsigned long flowinfo = 0; | |
728 | unsigned long scope_id = 0; | |
729 | ||
66c73b76 | 730 | VALIDATE_INET6 (which_arg, address); |
3453619b GH |
731 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
732 | SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port); | |
733 | *args = SCM_CDR (*args); | |
734 | if (SCM_CONSP (*args)) | |
735 | { | |
736 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
737 | *args = SCM_CDR (*args); | |
738 | if (SCM_CONSP (*args)) | |
739 | { | |
740 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
741 | scope_id); | |
742 | *args = SCM_CDR (*args); | |
743 | } | |
744 | } | |
745 | soka = (struct sockaddr_in6 *) malloc (sizeof (struct sockaddr_in6)); | |
746 | if (!soka) | |
747 | scm_memory_error (proc); | |
748 | #ifdef SIN_LEN6 | |
749 | soka->sin6_len = sizeof (struct sockaddr_in6); | |
750 | #endif | |
751 | soka->sin6_family = AF_INET6; | |
66c73b76 | 752 | ipv6_num_to_net (address, soka->sin6_addr.s6_addr); |
5a525b84 | 753 | soka->sin6_port = htons (port); |
3453619b | 754 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 755 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 756 | soka->sin6_scope_id = scope_id; |
5a525b84 | 757 | #endif |
3453619b GH |
758 | *size = sizeof (struct sockaddr_in6); |
759 | return (struct sockaddr *) soka; | |
760 | } | |
761 | #endif | |
1ba8c23a | 762 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
763 | case AF_UNIX: |
764 | { | |
765 | struct sockaddr_un *soka; | |
439006bf | 766 | int addr_size; |
370312ae | 767 | |
a6d9e5ab | 768 | SCM_ASSERT (SCM_STRINGP (address), address, which_arg, proc); |
439006bf GH |
769 | /* the static buffer size in sockaddr_un seems to be arbitrary |
770 | and not necessarily a hard limit. e.g., the glibc manual | |
771 | suggests it may be possible to declare it size 0. let's | |
772 | ignore it. if the O/S doesn't like the size it will cause | |
773 | connect/bind etc., to fail. sun_path is always the last | |
774 | member of the structure. */ | |
775 | addr_size = sizeof (struct sockaddr_un) | |
776 | + max (0, SCM_STRING_LENGTH (address) + 1 - (sizeof soka->sun_path)); | |
777 | soka = (struct sockaddr_un *) malloc (addr_size); | |
778 | if (!soka) | |
779 | scm_memory_error (proc); | |
780 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ | |
781 | soka->sun_family = AF_UNIX; | |
34f0f2b8 | 782 | memcpy (soka->sun_path, SCM_STRING_CHARS (address), |
439006bf GH |
783 | SCM_STRING_LENGTH (address)); |
784 | *size = SUN_LEN (soka); | |
370312ae GH |
785 | return (struct sockaddr *) soka; |
786 | } | |
0e958795 | 787 | #endif |
370312ae GH |
788 | default: |
789 | scm_out_of_range (proc, SCM_MAKINUM (fam)); | |
0f2d19dd | 790 | } |
0f2d19dd | 791 | } |
3453619b | 792 | #undef FUNC_NAME |
370312ae | 793 | |
a1ec6916 | 794 | SCM_DEFINE (scm_connect, "connect", 3, 0, 1, |
1bbd0b84 | 795 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 796 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
797 | "family to the address\n" |
798 | "specified by @var{address} and possibly @var{args}.\n" | |
799 | "The format required for @var{address}\n" | |
800 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 801 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 802 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
803 | "filename where the socket is to be created.\n\n" |
804 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
805 | "@var{address} must be an integer IPv4 host address and\n" |
806 | "@var{args} must be a single integer port number.\n\n" | |
807 | "For a socket of family @code{AF_INET6},\n" | |
808 | "@var{address} must be an integer IPv6 host address and\n" | |
809 | "@var{args} may be up to three integers:\n" | |
810 | "port [flowinfo] [scope_id],\n" | |
811 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 812 | "The return value is unspecified.") |
1bbd0b84 | 813 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 814 | { |
370312ae GH |
815 | int fd; |
816 | struct sockaddr *soka; | |
439006bf | 817 | int size; |
0f2d19dd | 818 | |
78446828 | 819 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
820 | SCM_VALIDATE_OPFPORT (1,sock); |
821 | SCM_VALIDATE_INUM (2,fam); | |
ee149d03 | 822 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
823 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, |
824 | &size); | |
370312ae | 825 | if (connect (fd, soka, size) == -1) |
439006bf GH |
826 | { |
827 | int save_errno = errno; | |
828 | ||
829 | free (soka); | |
830 | errno = save_errno; | |
831 | SCM_SYSERROR; | |
832 | } | |
833 | free (soka); | |
370312ae | 834 | return SCM_UNSPECIFIED; |
0f2d19dd | 835 | } |
1bbd0b84 | 836 | #undef FUNC_NAME |
0f2d19dd | 837 | |
a1ec6916 | 838 | SCM_DEFINE (scm_bind, "bind", 3, 0, 1, |
1bbd0b84 | 839 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 840 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
841 | "Generally this only needs to be done for server sockets,\n" |
842 | "so they know where to look for incoming connections. A socket\n" | |
843 | "without an address will be assigned one automatically when it\n" | |
844 | "starts communicating.\n\n" | |
eefae538 GH |
845 | "The format of @var{address} and @var{args} depends\n" |
846 | "on the family of the socket.\n\n" | |
b380b885 | 847 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
848 | "is specified and must be a string with the filename where\n" |
849 | "the socket is to be created.\n\n" | |
850 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
851 | "must be an integer IPv4 address and @var{args}\n" | |
852 | "must be a single integer port number.\n\n" | |
853 | "The values of the following variables can also be used for\n" | |
854 | "@var{address}:\n\n" | |
b380b885 MD |
855 | "@defvar INADDR_ANY\n" |
856 | "Allow connections from any address.\n" | |
857 | "@end defvar\n\n" | |
858 | "@defvar INADDR_LOOPBACK\n" | |
859 | "The address of the local host using the loopback device.\n" | |
860 | "@end defvar\n\n" | |
861 | "@defvar INADDR_BROADCAST\n" | |
862 | "The broadcast address on the local network.\n" | |
863 | "@end defvar\n\n" | |
864 | "@defvar INADDR_NONE\n" | |
865 | "No address.\n" | |
866 | "@end defvar\n\n" | |
eefae538 GH |
867 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
868 | "must be an integer IPv6 address and @var{args}\n" | |
869 | "may be up to three integers:\n" | |
870 | "port [flowinfo] [scope_id],\n" | |
871 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 872 | "The return value is unspecified.") |
1bbd0b84 | 873 | #define FUNC_NAME s_scm_bind |
370312ae | 874 | { |
370312ae | 875 | struct sockaddr *soka; |
439006bf | 876 | int size; |
370312ae GH |
877 | int fd; |
878 | ||
78446828 | 879 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
880 | SCM_VALIDATE_OPFPORT (1, sock); |
881 | SCM_VALIDATE_INUM (2, fam); | |
882 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, | |
883 | &size); | |
ee149d03 | 884 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
885 | if (bind (fd, soka, size) == -1) |
886 | { | |
887 | int save_errno = errno; | |
888 | ||
889 | free (soka); | |
890 | errno = save_errno; | |
1bbd0b84 | 891 | SCM_SYSERROR; |
439006bf GH |
892 | } |
893 | free (soka); | |
370312ae GH |
894 | return SCM_UNSPECIFIED; |
895 | } | |
1bbd0b84 | 896 | #undef FUNC_NAME |
370312ae | 897 | |
a1ec6916 | 898 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 899 | (SCM sock, SCM backlog), |
eefae538 | 900 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
901 | "requests. @var{backlog} is an integer specifying\n" |
902 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
903 | "If the queue fills, new clients will fail to connect until\n" |
904 | "the server calls @code{accept} to accept a connection from\n" | |
905 | "the queue.\n\n" | |
b380b885 | 906 | "The return value is unspecified.") |
1bbd0b84 | 907 | #define FUNC_NAME s_scm_listen |
370312ae GH |
908 | { |
909 | int fd; | |
78446828 | 910 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
911 | SCM_VALIDATE_OPFPORT (1,sock); |
912 | SCM_VALIDATE_INUM (2,backlog); | |
ee149d03 | 913 | fd = SCM_FPORT_FDES (sock); |
370312ae | 914 | if (listen (fd, SCM_INUM (backlog)) == -1) |
1bbd0b84 | 915 | SCM_SYSERROR; |
370312ae GH |
916 | return SCM_UNSPECIFIED; |
917 | } | |
1bbd0b84 | 918 | #undef FUNC_NAME |
370312ae GH |
919 | |
920 | /* Put the components of a sockaddr into a new SCM vector. */ | |
370312ae | 921 | static SCM |
e1368a8d | 922 | scm_addr_vector (const struct sockaddr *address, const char *proc) |
0f2d19dd | 923 | { |
370312ae GH |
924 | short int fam = address->sa_family; |
925 | SCM result; | |
926 | SCM *ve; | |
439006bf | 927 | |
5a525b84 | 928 | switch (fam) |
0f2d19dd | 929 | { |
5a525b84 GH |
930 | case AF_INET: |
931 | { | |
e1368a8d | 932 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 933 | |
5a525b84 GH |
934 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
935 | ve = SCM_VELTS (result); | |
936 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
937 | ve[1] = scm_ulong2num (ntohl (nad->sin_addr.s_addr)); | |
938 | ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin_port)); | |
939 | } | |
940 | break; | |
a57a0b1e | 941 | #ifdef HAVE_IPV6 |
5a525b84 GH |
942 | case AF_INET6: |
943 | { | |
e1368a8d | 944 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 GH |
945 | |
946 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); | |
947 | ve = SCM_VELTS (result); | |
948 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
66c73b76 | 949 | ve[1] = ipv6_net_to_num (nad->sin6_addr.s6_addr); |
5a525b84 GH |
950 | ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin6_port)); |
951 | ve[3] = scm_ulong2num ((unsigned long) nad->sin6_flowinfo); | |
952 | #ifdef HAVE_SIN6_SCOPE_ID | |
953 | ve[4] = scm_ulong2num ((unsigned long) nad->sin6_scope_id); | |
954 | #else | |
955 | ve[4] = SCM_INUM0; | |
0e958795 | 956 | #endif |
5a525b84 GH |
957 | } |
958 | break; | |
959 | #endif | |
960 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
961 | case AF_UNIX: | |
962 | { | |
e1368a8d | 963 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 964 | |
5a525b84 GH |
965 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
966 | ve = SCM_VELTS (result); | |
967 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
36284627 | 968 | ve[1] = scm_mem2string (nad->sun_path, strlen (nad->sun_path)); |
5a525b84 GH |
969 | } |
970 | break; | |
971 | #endif | |
972 | default: | |
973 | scm_misc_error (proc, "Unrecognised address family: ~A", | |
1afff620 | 974 | scm_list_1 (SCM_MAKINUM (fam))); |
0f2d19dd | 975 | } |
370312ae GH |
976 | return result; |
977 | } | |
978 | ||
439006bf GH |
979 | /* calculate the size of a buffer large enough to hold any supported |
980 | sockaddr type. if the buffer isn't large enough, certain system | |
981 | calls will return a truncated address. */ | |
370312ae | 982 | |
439006bf GH |
983 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) |
984 | #define MAX_SIZE_UN sizeof (struct sockaddr_un) | |
0e958795 | 985 | #else |
439006bf | 986 | #define MAX_SIZE_UN 0 |
0e958795 | 987 | #endif |
439006bf | 988 | |
a57a0b1e | 989 | #if defined (HAVE_IPV6) |
5a525b84 GH |
990 | #define MAX_SIZE_IN6 sizeof (struct sockaddr_in6) |
991 | #else | |
992 | #define MAX_SIZE_IN6 0 | |
993 | #endif | |
994 | ||
995 | #define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\ | |
996 | MAX_SIZE_UN) | |
0f2d19dd | 997 | |
a1ec6916 | 998 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 999 | (SCM sock), |
eefae538 GH |
1000 | "Accept a connection on a bound, listening socket.\n" |
1001 | "If there\n" | |
1002 | "are no pending connections in the queue, wait until\n" | |
1003 | "one is available unless the non-blocking option has been\n" | |
1004 | "set on the socket.\n\n" | |
b380b885 | 1005 | "The return value is a\n" |
eefae538 GH |
1006 | "pair in which the @emph{car} is a new socket port for the\n" |
1007 | "connection and\n" | |
1008 | "the @emph{cdr} is an object with address information about the\n" | |
1009 | "client which initiated the connection.\n\n" | |
1010 | "@var{sock} does not become part of the\n" | |
b380b885 | 1011 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1012 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1013 | { |
370312ae GH |
1014 | int fd; |
1015 | int newfd; | |
1016 | SCM address; | |
1017 | SCM newsock; | |
439006bf GH |
1018 | int addr_size = MAX_ADDR_SIZE; |
1019 | char max_addr[MAX_ADDR_SIZE]; | |
1020 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1021 | |
78446828 | 1022 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1023 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1024 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
1025 | newfd = accept (fd, addr, &addr_size); |
1026 | if (newfd == -1) | |
1027 | SCM_SYSERROR; | |
1028 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
eefae538 | 1029 | address = scm_addr_vector (addr, FUNC_NAME); |
370312ae | 1030 | return scm_cons (newsock, address); |
0f2d19dd | 1031 | } |
1bbd0b84 | 1032 | #undef FUNC_NAME |
0f2d19dd | 1033 | |
a1ec6916 | 1034 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1035 | (SCM sock), |
eefae538 | 1036 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1037 | "object returned by @code{accept}. On many systems the address\n" |
1038 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1039 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1040 | { |
370312ae | 1041 | int fd; |
439006bf GH |
1042 | int addr_size = MAX_ADDR_SIZE; |
1043 | char max_addr[MAX_ADDR_SIZE]; | |
1044 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1045 | ||
78446828 | 1046 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1047 | SCM_VALIDATE_OPFPORT (1,sock); |
ee149d03 | 1048 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1049 | if (getsockname (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1050 | SCM_SYSERROR; |
eefae538 | 1051 | return scm_addr_vector (addr, FUNC_NAME); |
0f2d19dd | 1052 | } |
1bbd0b84 | 1053 | #undef FUNC_NAME |
0f2d19dd | 1054 | |
a1ec6916 | 1055 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1056 | (SCM sock), |
eefae538 | 1057 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1058 | "is connected to, in the same form as the object returned by\n" |
1059 | "@code{accept}. On many systems the address of a socket in the\n" | |
1060 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1061 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1062 | { |
370312ae | 1063 | int fd; |
439006bf GH |
1064 | int addr_size = MAX_ADDR_SIZE; |
1065 | char max_addr[MAX_ADDR_SIZE]; | |
1066 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1067 | ||
78446828 | 1068 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1069 | SCM_VALIDATE_OPFPORT (1,sock); |
ee149d03 | 1070 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1071 | if (getpeername (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1072 | SCM_SYSERROR; |
eefae538 | 1073 | return scm_addr_vector (addr, FUNC_NAME); |
0f2d19dd | 1074 | } |
1bbd0b84 | 1075 | #undef FUNC_NAME |
0f2d19dd | 1076 | |
a1ec6916 | 1077 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1078 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1079 | "Receive data from a socket port.\n" |
1080 | "@var{sock} must already\n" | |
b380b885 MD |
1081 | "be bound to the address from which data is to be received.\n" |
1082 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1083 | "the data will be written. The size of @var{buf} limits\n" |
1084 | "the amount of\n" | |
b380b885 | 1085 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1086 | "protocols, if a packet larger than this limit is encountered\n" |
1087 | "then some data\n" | |
b380b885 MD |
1088 | "will be irrevocably lost.\n\n" |
1089 | "The optional @var{flags} argument is a value or\n" | |
1090 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1091 | "The value returned is the number of bytes read from the\n" |
1092 | "socket.\n\n" | |
1093 | "Note that the data is read directly from the socket file\n" | |
1094 | "descriptor:\n" | |
09831f94 | 1095 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1096 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1097 | { |
370312ae GH |
1098 | int rv; |
1099 | int fd; | |
1100 | int flg; | |
370312ae | 1101 | |
3b3b36dd GB |
1102 | SCM_VALIDATE_OPFPORT (1,sock); |
1103 | SCM_VALIDATE_STRING (2,buf); | |
1104 | SCM_VALIDATE_INUM_DEF_COPY (3,flags,0,flg); | |
ee149d03 | 1105 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1106 | |
bfa974f0 | 1107 | SCM_SYSCALL (rv = recv (fd, SCM_STRING_CHARS (buf), SCM_STRING_LENGTH (buf), flg)); |
370312ae | 1108 | if (rv == -1) |
1bbd0b84 | 1109 | SCM_SYSERROR; |
370312ae | 1110 | |
1146b6cd | 1111 | return SCM_MAKINUM (rv); |
370312ae | 1112 | } |
1bbd0b84 | 1113 | #undef FUNC_NAME |
370312ae | 1114 | |
a1ec6916 | 1115 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1116 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1117 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1118 | "@var{sock} must already be bound to a destination address. The\n" | |
1119 | "value returned is the number of bytes transmitted --\n" | |
1120 | "it's possible for\n" | |
1121 | "this to be less than the length of @var{message}\n" | |
1122 | "if the socket is\n" | |
1123 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1124 | "is a value or\n" | |
b380b885 | 1125 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1126 | "Note that the data is written directly to the socket\n" |
1127 | "file descriptor:\n" | |
b380b885 | 1128 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1129 | #define FUNC_NAME s_scm_send |
370312ae GH |
1130 | { |
1131 | int rv; | |
1132 | int fd; | |
1133 | int flg; | |
1134 | ||
78446828 | 1135 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1136 | SCM_VALIDATE_OPFPORT (1,sock); |
a6d9e5ab | 1137 | SCM_VALIDATE_STRING (2, message); |
3b3b36dd | 1138 | SCM_VALIDATE_INUM_DEF_COPY (3,flags,0,flg); |
ee149d03 | 1139 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1140 | |
34f0f2b8 | 1141 | SCM_SYSCALL (rv = send (fd, SCM_STRING_CHARS (message), SCM_STRING_LENGTH (message), flg)); |
370312ae | 1142 | if (rv == -1) |
1bbd0b84 | 1143 | SCM_SYSERROR; |
370312ae GH |
1144 | return SCM_MAKINUM (rv); |
1145 | } | |
1bbd0b84 | 1146 | #undef FUNC_NAME |
370312ae | 1147 | |
a1ec6916 | 1148 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1149 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
eefae538 | 1150 | "Return data from the socket port @var{sock} and also\n" |
1e6808ea | 1151 | "information about where the data was received from.\n" |
eefae538 | 1152 | "@var{sock} must already be bound to the address from which\n" |
1e6808ea MG |
1153 | "data is to be received. @code{str}, is a string into which the\n" |
1154 | "data will be written. The size of @var{str} limits the amount\n" | |
1155 | "of data which can be received: in the case of packet protocols,\n" | |
1156 | "if a packet larger than this limit is encountered then some\n" | |
eefae538 | 1157 | "data will be irrevocably lost.\n\n" |
1e6808ea | 1158 | "The optional @var{flags} argument is a value or bitwise OR of\n" |
eefae538 | 1159 | "@code{MSG_OOB}, @code{MSG_PEEK}, @code{MSG_DONTROUTE} etc.\n\n" |
1e6808ea MG |
1160 | "The value returned is a pair: the @emph{car} is the number of\n" |
1161 | "bytes read from the socket and the @emph{cdr} an address object\n" | |
eefae538 GH |
1162 | "in the same form as returned by @code{accept}. The address\n" |
1163 | "will given as @code{#f} if not available, as is usually the\n" | |
1164 | "case for stream sockets.\n\n" | |
1e6808ea | 1165 | "The @var{start} and @var{end} arguments specify a substring of\n" |
eefae538 | 1166 | "@var{str} to which the data should be written.\n\n" |
1e6808ea MG |
1167 | "Note that the data is read directly from the socket file\n" |
1168 | "descriptor: any unread buffered port data is ignored.") | |
1bbd0b84 | 1169 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1170 | { |
1171 | int rv; | |
1172 | int fd; | |
1173 | int flg; | |
60d02d09 GH |
1174 | char *buf; |
1175 | int offset; | |
1146b6cd | 1176 | int cend; |
370312ae | 1177 | SCM address; |
439006bf GH |
1178 | int addr_size = MAX_ADDR_SIZE; |
1179 | char max_addr[MAX_ADDR_SIZE]; | |
1180 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1181 | |
3b3b36dd | 1182 | SCM_VALIDATE_OPFPORT (1,sock); |
60d02d09 GH |
1183 | fd = SCM_FPORT_FDES (sock); |
1184 | SCM_VALIDATE_SUBSTRING_SPEC_COPY (2, str, buf, 4, start, offset, | |
1185 | 5, end, cend); | |
1146b6cd GH |
1186 | if (SCM_UNBNDP (flags)) |
1187 | flg = 0; | |
370312ae | 1188 | else |
60d02d09 | 1189 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1190 | |
97d0e20b GH |
1191 | /* recvfrom will not necessarily return an address. usually nothing |
1192 | is returned for stream sockets. */ | |
439006bf | 1193 | addr->sa_family = AF_UNSPEC; |
60d02d09 | 1194 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1195 | cend - offset, flg, |
439006bf | 1196 | addr, &addr_size)); |
370312ae | 1197 | if (rv == -1) |
1bbd0b84 | 1198 | SCM_SYSERROR; |
eefae538 | 1199 | if (addr->sa_family != AF_UNSPEC) |
439006bf | 1200 | address = scm_addr_vector (addr, FUNC_NAME); |
370312ae GH |
1201 | else |
1202 | address = SCM_BOOL_F; | |
1203 | ||
1146b6cd | 1204 | return scm_cons (SCM_MAKINUM (rv), address); |
0f2d19dd | 1205 | } |
1bbd0b84 | 1206 | #undef FUNC_NAME |
0f2d19dd | 1207 | |
a1ec6916 | 1208 | SCM_DEFINE (scm_sendto, "sendto", 4, 0, 1, |
1bbd0b84 | 1209 | (SCM sock, SCM message, SCM fam, SCM address, SCM args_and_flags), |
eefae538 GH |
1210 | "Transmit the string @var{message} on the socket port\n" |
1211 | "@var{sock}. The\n" | |
1212 | "destination address is specified using the @var{fam},\n" | |
1213 | "@var{address} and\n" | |
1214 | "@var{args_and_flags} arguments, in a similar way to the\n" | |
1215 | "@code{connect} procedure. @var{args_and_flags} contains\n" | |
1216 | "the usual connection arguments optionally followed by\n" | |
1217 | "a flags argument, which is a value or\n" | |
b380b885 | 1218 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1219 | "The value returned is the number of bytes transmitted --\n" |
1220 | "it's possible for\n" | |
1221 | "this to be less than the length of @var{message} if the\n" | |
1222 | "socket is\n" | |
1223 | "set to be non-blocking.\n" | |
1224 | "Note that the data is written directly to the socket\n" | |
1225 | "file descriptor:\n" | |
b380b885 | 1226 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1227 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1228 | { |
1229 | int rv; | |
1230 | int fd; | |
1231 | int flg; | |
1232 | struct sockaddr *soka; | |
439006bf | 1233 | int size; |
370312ae | 1234 | |
78446828 | 1235 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1236 | SCM_VALIDATE_FPORT (1,sock); |
a6d9e5ab | 1237 | SCM_VALIDATE_STRING (2, message); |
3b3b36dd | 1238 | SCM_VALIDATE_INUM (3,fam); |
ee149d03 | 1239 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1240 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args_and_flags, 4, |
1bbd0b84 | 1241 | FUNC_NAME, &size); |
370312ae GH |
1242 | if (SCM_NULLP (args_and_flags)) |
1243 | flg = 0; | |
1244 | else | |
1245 | { | |
3b3b36dd | 1246 | SCM_VALIDATE_CONS (5,args_and_flags); |
e4b265d8 | 1247 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1248 | } |
439006bf GH |
1249 | SCM_SYSCALL (rv = sendto (fd, SCM_STRING_CHARS (message), |
1250 | SCM_STRING_LENGTH (message), | |
ae2fa5bc | 1251 | flg, soka, size)); |
370312ae | 1252 | if (rv == -1) |
439006bf GH |
1253 | { |
1254 | int save_errno = errno; | |
1255 | free (soka); | |
1256 | errno = save_errno; | |
1257 | SCM_SYSERROR; | |
1258 | } | |
1259 | free (soka); | |
370312ae GH |
1260 | return SCM_MAKINUM (rv); |
1261 | } | |
1bbd0b84 | 1262 | #undef FUNC_NAME |
370312ae GH |
1263 | \f |
1264 | ||
1265 | ||
1266 | void | |
0f2d19dd | 1267 | scm_init_socket () |
0f2d19dd | 1268 | { |
370312ae GH |
1269 | /* protocol families. */ |
1270 | #ifdef AF_UNSPEC | |
86d31dfe | 1271 | scm_c_define ("AF_UNSPEC", SCM_MAKINUM (AF_UNSPEC)); |
370312ae GH |
1272 | #endif |
1273 | #ifdef AF_UNIX | |
86d31dfe | 1274 | scm_c_define ("AF_UNIX", SCM_MAKINUM (AF_UNIX)); |
370312ae GH |
1275 | #endif |
1276 | #ifdef AF_INET | |
86d31dfe | 1277 | scm_c_define ("AF_INET", SCM_MAKINUM (AF_INET)); |
370312ae | 1278 | #endif |
3453619b | 1279 | #ifdef AF_INET6 |
86d31dfe | 1280 | scm_c_define ("AF_INET6", SCM_MAKINUM (AF_INET6)); |
3453619b | 1281 | #endif |
370312ae GH |
1282 | |
1283 | #ifdef PF_UNSPEC | |
86d31dfe | 1284 | scm_c_define ("PF_UNSPEC", SCM_MAKINUM (PF_UNSPEC)); |
370312ae GH |
1285 | #endif |
1286 | #ifdef PF_UNIX | |
86d31dfe | 1287 | scm_c_define ("PF_UNIX", SCM_MAKINUM (PF_UNIX)); |
370312ae GH |
1288 | #endif |
1289 | #ifdef PF_INET | |
86d31dfe | 1290 | scm_c_define ("PF_INET", SCM_MAKINUM (PF_INET)); |
370312ae | 1291 | #endif |
3453619b | 1292 | #ifdef PF_INET6 |
86d31dfe | 1293 | scm_c_define ("PF_INET6", SCM_MAKINUM (PF_INET6)); |
3453619b | 1294 | #endif |
370312ae | 1295 | |
66c73b76 GH |
1296 | /* standard addresses. */ |
1297 | #ifdef INADDR_ANY | |
86d31dfe | 1298 | scm_c_define ("INADDR_ANY", scm_ulong2num (INADDR_ANY)); |
66c73b76 GH |
1299 | #endif |
1300 | #ifdef INADDR_BROADCAST | |
86d31dfe | 1301 | scm_c_define ("INADDR_BROADCAST", scm_ulong2num (INADDR_BROADCAST)); |
66c73b76 GH |
1302 | #endif |
1303 | #ifdef INADDR_NONE | |
86d31dfe | 1304 | scm_c_define ("INADDR_NONE", scm_ulong2num (INADDR_NONE)); |
66c73b76 GH |
1305 | #endif |
1306 | #ifdef INADDR_LOOPBACK | |
86d31dfe | 1307 | scm_c_define ("INADDR_LOOPBACK", scm_ulong2num (INADDR_LOOPBACK)); |
66c73b76 GH |
1308 | #endif |
1309 | ||
370312ae GH |
1310 | /* socket types. */ |
1311 | #ifdef SOCK_STREAM | |
86d31dfe | 1312 | scm_c_define ("SOCK_STREAM", SCM_MAKINUM (SOCK_STREAM)); |
370312ae GH |
1313 | #endif |
1314 | #ifdef SOCK_DGRAM | |
86d31dfe | 1315 | scm_c_define ("SOCK_DGRAM", SCM_MAKINUM (SOCK_DGRAM)); |
370312ae GH |
1316 | #endif |
1317 | #ifdef SOCK_RAW | |
86d31dfe | 1318 | scm_c_define ("SOCK_RAW", SCM_MAKINUM (SOCK_RAW)); |
370312ae GH |
1319 | #endif |
1320 | ||
1321 | /* setsockopt level. */ | |
1322 | #ifdef SOL_SOCKET | |
86d31dfe | 1323 | scm_c_define ("SOL_SOCKET", SCM_MAKINUM (SOL_SOCKET)); |
370312ae GH |
1324 | #endif |
1325 | #ifdef SOL_IP | |
86d31dfe | 1326 | scm_c_define ("SOL_IP", SCM_MAKINUM (SOL_IP)); |
370312ae GH |
1327 | #endif |
1328 | #ifdef SOL_TCP | |
86d31dfe | 1329 | scm_c_define ("SOL_TCP", SCM_MAKINUM (SOL_TCP)); |
370312ae GH |
1330 | #endif |
1331 | #ifdef SOL_UDP | |
86d31dfe | 1332 | scm_c_define ("SOL_UDP", SCM_MAKINUM (SOL_UDP)); |
370312ae GH |
1333 | #endif |
1334 | ||
1335 | /* setsockopt names. */ | |
1336 | #ifdef SO_DEBUG | |
86d31dfe | 1337 | scm_c_define ("SO_DEBUG", SCM_MAKINUM (SO_DEBUG)); |
370312ae GH |
1338 | #endif |
1339 | #ifdef SO_REUSEADDR | |
86d31dfe | 1340 | scm_c_define ("SO_REUSEADDR", SCM_MAKINUM (SO_REUSEADDR)); |
370312ae GH |
1341 | #endif |
1342 | #ifdef SO_STYLE | |
86d31dfe | 1343 | scm_c_define ("SO_STYLE", SCM_MAKINUM (SO_STYLE)); |
370312ae GH |
1344 | #endif |
1345 | #ifdef SO_TYPE | |
86d31dfe | 1346 | scm_c_define ("SO_TYPE", SCM_MAKINUM (SO_TYPE)); |
370312ae GH |
1347 | #endif |
1348 | #ifdef SO_ERROR | |
86d31dfe | 1349 | scm_c_define ("SO_ERROR", SCM_MAKINUM (SO_ERROR)); |
370312ae GH |
1350 | #endif |
1351 | #ifdef SO_DONTROUTE | |
86d31dfe | 1352 | scm_c_define ("SO_DONTROUTE", SCM_MAKINUM (SO_DONTROUTE)); |
370312ae GH |
1353 | #endif |
1354 | #ifdef SO_BROADCAST | |
86d31dfe | 1355 | scm_c_define ("SO_BROADCAST", SCM_MAKINUM (SO_BROADCAST)); |
370312ae GH |
1356 | #endif |
1357 | #ifdef SO_SNDBUF | |
86d31dfe | 1358 | scm_c_define ("SO_SNDBUF", SCM_MAKINUM (SO_SNDBUF)); |
370312ae GH |
1359 | #endif |
1360 | #ifdef SO_RCVBUF | |
86d31dfe | 1361 | scm_c_define ("SO_RCVBUF", SCM_MAKINUM (SO_RCVBUF)); |
370312ae GH |
1362 | #endif |
1363 | #ifdef SO_KEEPALIVE | |
86d31dfe | 1364 | scm_c_define ("SO_KEEPALIVE", SCM_MAKINUM (SO_KEEPALIVE)); |
370312ae GH |
1365 | #endif |
1366 | #ifdef SO_OOBINLINE | |
86d31dfe | 1367 | scm_c_define ("SO_OOBINLINE", SCM_MAKINUM (SO_OOBINLINE)); |
370312ae GH |
1368 | #endif |
1369 | #ifdef SO_NO_CHECK | |
86d31dfe | 1370 | scm_c_define ("SO_NO_CHECK", SCM_MAKINUM (SO_NO_CHECK)); |
370312ae GH |
1371 | #endif |
1372 | #ifdef SO_PRIORITY | |
86d31dfe | 1373 | scm_c_define ("SO_PRIORITY", SCM_MAKINUM (SO_PRIORITY)); |
370312ae GH |
1374 | #endif |
1375 | #ifdef SO_LINGER | |
86d31dfe | 1376 | scm_c_define ("SO_LINGER", SCM_MAKINUM (SO_LINGER)); |
370312ae GH |
1377 | #endif |
1378 | ||
1379 | /* recv/send options. */ | |
1380 | #ifdef MSG_OOB | |
86d31dfe | 1381 | scm_c_define ("MSG_OOB", SCM_MAKINUM (MSG_OOB)); |
370312ae GH |
1382 | #endif |
1383 | #ifdef MSG_PEEK | |
86d31dfe | 1384 | scm_c_define ("MSG_PEEK", SCM_MAKINUM (MSG_PEEK)); |
370312ae GH |
1385 | #endif |
1386 | #ifdef MSG_DONTROUTE | |
86d31dfe | 1387 | scm_c_define ("MSG_DONTROUTE", SCM_MAKINUM (MSG_DONTROUTE)); |
370312ae GH |
1388 | #endif |
1389 | ||
b4e15479 SJ |
1390 | #ifdef __MINGW32__ |
1391 | scm_i_init_socket_Win32 (); | |
1392 | #endif | |
1393 | ||
0f2d19dd | 1394 | scm_add_feature ("socket"); |
370312ae | 1395 | |
8dc9439f | 1396 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 1397 | #include "libguile/socket.x" |
8dc9439f | 1398 | #endif |
0f2d19dd JB |
1399 | } |
1400 | ||
89e00824 ML |
1401 | |
1402 | /* | |
1403 | Local Variables: | |
1404 | c-file-style: "gnu" | |
1405 | End: | |
1406 | */ |