Commit | Line | Data |
---|---|---|
9c0129ac | 1 | /* Copyright (C) 1996,1997,1998,2000,2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. |
86667910 | 2 | * |
73be1d9e MV |
3 | * This library is free software; you can redistribute it and/or |
4 | * modify it under the terms of the GNU Lesser General Public | |
5 | * License as published by the Free Software Foundation; either | |
6 | * version 2.1 of the License, or (at your option) any later version. | |
86667910 | 7 | * |
73be1d9e MV |
8 | * This library 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 GNU | |
11 | * Lesser General Public License for more details. | |
86667910 | 12 | * |
73be1d9e MV |
13 | * You should have received a copy of the GNU Lesser General Public |
14 | * License along with this library; if not, write to the Free Software | |
92205699 | 15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
73be1d9e | 16 | */ |
1bbd0b84 | 17 | |
1bbd0b84 | 18 | |
0f2d19dd JB |
19 | \f |
20 | ||
eccde741 RB |
21 | #if HAVE_CONFIG_H |
22 | # include <config.h> | |
23 | #endif | |
24 | ||
e6e2e95a | 25 | #include <errno.h> |
69d49ac8 | 26 | #include <gmp.h> |
e6e2e95a | 27 | |
a0599745 MD |
28 | #include "libguile/_scm.h" |
29 | #include "libguile/unif.h" | |
30 | #include "libguile/feature.h" | |
31 | #include "libguile/fports.h" | |
32 | #include "libguile/strings.h" | |
33 | #include "libguile/vectors.h" | |
7f9994d9 | 34 | #include "libguile/dynwind.h" |
20e6290e | 35 | |
a0599745 MD |
36 | #include "libguile/validate.h" |
37 | #include "libguile/socket.h" | |
95b88819 | 38 | |
b4e15479 SJ |
39 | #ifdef __MINGW32__ |
40 | #include "win32-socket.h" | |
41 | #endif | |
42 | ||
af68e5e5 SJ |
43 | #ifdef HAVE_STDINT_H |
44 | #include <stdint.h> | |
45 | #endif | |
95b88819 GH |
46 | #ifdef HAVE_STRING_H |
47 | #include <string.h> | |
48 | #endif | |
370312ae GH |
49 | #ifdef HAVE_UNISTD_H |
50 | #include <unistd.h> | |
51 | #endif | |
0f2d19dd | 52 | #include <sys/types.h> |
f87c105a | 53 | #ifdef HAVE_WINSOCK2_H |
82893676 MG |
54 | #include <winsock2.h> |
55 | #else | |
0f2d19dd | 56 | #include <sys/socket.h> |
1ba8c23a | 57 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
0f2d19dd | 58 | #include <sys/un.h> |
0e958795 | 59 | #endif |
0f2d19dd JB |
60 | #include <netinet/in.h> |
61 | #include <netdb.h> | |
62 | #include <arpa/inet.h> | |
82893676 | 63 | #endif |
0f2d19dd | 64 | |
97d0e20b GH |
65 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN) |
66 | #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \ | |
67 | + strlen ((ptr)->sun_path)) | |
68 | #endif | |
69 | ||
0f2d19dd JB |
70 | \f |
71 | ||
a1ec6916 | 72 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
73 | (SCM value), |
74 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
75 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
76 | "and returned as a new integer.") | |
1bbd0b84 | 77 | #define FUNC_NAME s_scm_htons |
5c11cc9d | 78 | { |
7cee5b31 | 79 | return scm_from_ushort (htons (scm_to_ushort (value))); |
5c11cc9d | 80 | } |
1bbd0b84 | 81 | #undef FUNC_NAME |
5c11cc9d | 82 | |
a1ec6916 | 83 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
84 | (SCM value), |
85 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
86 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
87 | "and returned as a new integer.") | |
1bbd0b84 | 88 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d | 89 | { |
7cee5b31 | 90 | return scm_from_ushort (ntohs (scm_to_ushort (value))); |
5c11cc9d | 91 | } |
1bbd0b84 | 92 | #undef FUNC_NAME |
5c11cc9d | 93 | |
a1ec6916 | 94 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
95 | (SCM value), |
96 | "Convert a 32 bit quantity from host to network byte ordering.\n" | |
97 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
98 | "and returned as a new integer.") | |
1bbd0b84 | 99 | #define FUNC_NAME s_scm_htonl |
5c11cc9d | 100 | { |
eccde741 | 101 | scm_t_uint32 c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 102 | |
b9bd8526 | 103 | return scm_from_ulong (htonl (c_in)); |
5c11cc9d | 104 | } |
1bbd0b84 | 105 | #undef FUNC_NAME |
5c11cc9d | 106 | |
a1ec6916 | 107 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
108 | (SCM value), |
109 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
110 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
111 | "and returned as a new integer.") | |
1bbd0b84 | 112 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 113 | { |
eccde741 | 114 | scm_t_uint32 c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 115 | |
b9bd8526 | 116 | return scm_from_ulong (ntohl (c_in)); |
5c11cc9d | 117 | } |
1bbd0b84 | 118 | #undef FUNC_NAME |
5c11cc9d | 119 | |
66c73b76 GH |
120 | #ifndef HAVE_INET_ATON |
121 | /* for our definition in inet_aton.c, not usually needed. */ | |
122 | extern int inet_aton (); | |
123 | #endif | |
124 | ||
125 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
126 | (SCM address), | |
eefae538 GH |
127 | "Convert an IPv4 Internet address from printable string\n" |
128 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
129 | "@lisp\n" |
130 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
131 | "@end lisp") | |
132 | #define FUNC_NAME s_scm_inet_aton | |
133 | { | |
134 | struct in_addr soka; | |
396e5506 MV |
135 | char *c_address; |
136 | int rv; | |
66c73b76 | 137 | |
396e5506 MV |
138 | c_address = scm_to_locale_string (address); |
139 | rv = inet_aton (c_address, &soka); | |
140 | free (c_address); | |
141 | if (rv == 0) | |
66c73b76 | 142 | SCM_MISC_ERROR ("bad address", SCM_EOL); |
b9bd8526 | 143 | return scm_from_ulong (ntohl (soka.s_addr)); |
66c73b76 GH |
144 | } |
145 | #undef FUNC_NAME | |
146 | ||
147 | ||
148 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
149 | (SCM inetid), | |
eefae538 GH |
150 | "Convert an IPv4 Internet address to a printable\n" |
151 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
152 | "@lisp\n" |
153 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
154 | "@end lisp") | |
155 | #define FUNC_NAME s_scm_inet_ntoa | |
156 | { | |
157 | struct in_addr addr; | |
158 | char *s; | |
159 | SCM answer; | |
160 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
161 | s = inet_ntoa (addr); | |
cc95e00a | 162 | answer = scm_from_locale_string (s); |
66c73b76 GH |
163 | return answer; |
164 | } | |
165 | #undef FUNC_NAME | |
166 | ||
167 | #ifdef HAVE_INET_NETOF | |
168 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
169 | (SCM address), | |
eefae538 GH |
170 | "Return the network number part of the given IPv4\n" |
171 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
172 | "@lisp\n" |
173 | "(inet-netof 2130706433) @result{} 127\n" | |
174 | "@end lisp") | |
175 | #define FUNC_NAME s_scm_inet_netof | |
176 | { | |
177 | struct in_addr addr; | |
178 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 179 | return scm_from_ulong (inet_netof (addr)); |
66c73b76 GH |
180 | } |
181 | #undef FUNC_NAME | |
182 | #endif | |
183 | ||
184 | #ifdef HAVE_INET_LNAOF | |
185 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
186 | (SCM address), | |
187 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
188 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
189 | "E.g.,\n\n" | |
66c73b76 GH |
190 | "@lisp\n" |
191 | "(inet-lnaof 2130706433) @result{} 1\n" | |
192 | "@end lisp") | |
193 | #define FUNC_NAME s_scm_lnaof | |
194 | { | |
195 | struct in_addr addr; | |
196 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 197 | return scm_from_ulong (inet_lnaof (addr)); |
66c73b76 GH |
198 | } |
199 | #undef FUNC_NAME | |
200 | #endif | |
201 | ||
202 | #ifdef HAVE_INET_MAKEADDR | |
203 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
204 | (SCM net, SCM lna), | |
eefae538 | 205 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 206 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 207 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
208 | "@lisp\n" |
209 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
210 | "@end lisp") | |
211 | #define FUNC_NAME s_scm_inet_makeaddr | |
212 | { | |
213 | struct in_addr addr; | |
214 | unsigned long netnum; | |
215 | unsigned long lnanum; | |
216 | ||
217 | netnum = SCM_NUM2ULONG (1, net); | |
218 | lnanum = SCM_NUM2ULONG (2, lna); | |
219 | addr = inet_makeaddr (netnum, lnanum); | |
b9bd8526 | 220 | return scm_from_ulong (ntohl (addr.s_addr)); |
66c73b76 GH |
221 | } |
222 | #undef FUNC_NAME | |
223 | #endif | |
224 | ||
a57a0b1e | 225 | #ifdef HAVE_IPV6 |
eefae538 | 226 | |
66c73b76 GH |
227 | /* flip a 128 bit IPv6 address between host and network order. */ |
228 | #ifdef WORDS_BIGENDIAN | |
229 | #define FLIP_NET_HOST_128(addr) | |
230 | #else | |
231 | #define FLIP_NET_HOST_128(addr)\ | |
232 | {\ | |
233 | int i;\ | |
234 | \ | |
235 | for (i = 0; i < 8; i++)\ | |
236 | {\ | |
2de4f939 | 237 | scm_t_uint8 c = (addr)[i];\ |
66c73b76 GH |
238 | \ |
239 | (addr)[i] = (addr)[15 - i];\ | |
240 | (addr)[15 - i] = c;\ | |
241 | }\ | |
242 | } | |
243 | #endif | |
244 | ||
2de4f939 RB |
245 | #ifdef WORDS_BIGENDIAN |
246 | #define FLIPCPY_NET_HOST_128(dest, src) memcpy (dest, src, 16) | |
247 | #else | |
248 | #define FLIPCPY_NET_HOST_128(dest, src) \ | |
249 | { \ | |
250 | const scm_t_uint8 *tmp_srcp = (src) + 15; \ | |
251 | scm_t_uint8 *tmp_destp = (dest); \ | |
252 | \ | |
253 | do { \ | |
254 | *tmp_destp++ = *tmp_srcp--; \ | |
255 | } while (tmp_srcp != (src)); \ | |
256 | } | |
257 | #endif | |
258 | ||
259 | ||
7310ad0c | 260 | #if (SIZEOF_SCM_T_BITS * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
261 | #error "Assumption that scm_t_bits <= 128 bits has been violated." |
262 | #endif | |
263 | ||
7310ad0c | 264 | #if (SIZEOF_UNSIGNED_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
265 | #error "Assumption that unsigned long <= 128 bits has been violated." |
266 | #endif | |
267 | ||
7310ad0c | 268 | #if (SIZEOF_UNSIGNED_LONG_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
269 | #error "Assumption that unsigned long long <= 128 bits has been violated." |
270 | #endif | |
271 | ||
66c73b76 GH |
272 | /* convert a 128 bit IPv6 address in network order to a host ordered |
273 | SCM integer. */ | |
7cee5b31 MV |
274 | static SCM |
275 | scm_from_ipv6 (const scm_t_uint8 *src) | |
66c73b76 | 276 | { |
2b4d1547 KR |
277 | SCM result = scm_i_mkbig (); |
278 | mpz_import (SCM_I_BIG_MPZ (result), | |
279 | 1, /* chunk */ | |
280 | 1, /* big-endian chunk ordering */ | |
281 | 16, /* chunks are 16 bytes long */ | |
282 | 1, /* big-endian byte ordering */ | |
283 | 0, /* "nails" -- leading unused bits per chunk */ | |
284 | src); | |
285 | return scm_i_normbig (result); | |
286 | } | |
66c73b76 GH |
287 | |
288 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
289 | network order. */ | |
7cee5b31 MV |
290 | static void |
291 | scm_to_ipv6 (scm_t_uint8 dst[16], SCM src) | |
66c73b76 | 292 | { |
e11e83f3 | 293 | if (SCM_I_INUMP (src)) |
66c73b76 | 294 | { |
e11e83f3 | 295 | scm_t_signed_bits n = SCM_I_INUM (src); |
7cee5b31 MV |
296 | if (n < 0) |
297 | scm_out_of_range (NULL, src); | |
2de4f939 RB |
298 | #ifdef WORDS_BIGENDIAN |
299 | memset (dst, 0, 16 - sizeof (scm_t_signed_bits)); | |
300 | memcpy (dst + (16 - sizeof (scm_t_signed_bits)), | |
301 | &n, | |
302 | sizeof (scm_t_signed_bits)); | |
303 | #else | |
304 | memset (dst + sizeof (scm_t_signed_bits), | |
305 | 0, | |
306 | 16 - sizeof (scm_t_signed_bits)); | |
307 | /* FIXME: this pair of ops is kinda wasteful -- should rewrite as | |
308 | a single loop perhaps, similar to the handling of bignums. */ | |
309 | memcpy (dst, &n, sizeof (scm_t_signed_bits)); | |
310 | FLIP_NET_HOST_128 (dst); | |
311 | #endif | |
66c73b76 | 312 | } |
7cee5b31 | 313 | else if (SCM_BIGP (src)) |
66c73b76 | 314 | { |
2de4f939 | 315 | size_t count; |
7cee5b31 MV |
316 | |
317 | if ((mpz_sgn (SCM_I_BIG_MPZ (src)) < 0) | |
318 | || mpz_sizeinbase (SCM_I_BIG_MPZ (src), 2) > 128) | |
319 | scm_out_of_range (NULL, src); | |
320 | ||
66c73b76 | 321 | memset (dst, 0, 16); |
2de4f939 RB |
322 | mpz_export (dst, |
323 | &count, | |
324 | 1, /* big-endian chunk ordering */ | |
325 | 16, /* chunks are 16 bytes long */ | |
326 | 1, /* big-endian byte ordering */ | |
327 | 0, /* "nails" -- leading unused bits per chunk */ | |
328 | SCM_I_BIG_MPZ (src)); | |
329 | scm_remember_upto_here_1 (src); | |
66c73b76 | 330 | } |
2de4f939 | 331 | else |
7cee5b31 | 332 | scm_wrong_type_arg (NULL, 0, src); |
2de4f939 RB |
333 | } |
334 | ||
66c73b76 GH |
335 | #ifdef HAVE_INET_PTON |
336 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, | |
337 | (SCM family, SCM address), | |
eefae538 GH |
338 | "Convert a string containing a printable network address to\n" |
339 | "an integer address. Note that unlike the C version of this\n" | |
340 | "function,\n" | |
66c73b76 | 341 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 342 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 343 | "@lisp\n" |
dd85ce47 ML |
344 | "(inet-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n" |
345 | "(inet-pton AF_INET6 \"::1\") @result{} 1\n" | |
66c73b76 GH |
346 | "@end lisp") |
347 | #define FUNC_NAME s_scm_inet_pton | |
348 | { | |
349 | int af; | |
350 | char *src; | |
351 | char dst[16]; | |
396e5506 | 352 | int rv, eno; |
66c73b76 | 353 | |
7cee5b31 | 354 | af = scm_to_int (family); |
66c73b76 | 355 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
396e5506 | 356 | src = scm_to_locale_string (address); |
66c73b76 | 357 | rv = inet_pton (af, src, dst); |
396e5506 MV |
358 | eno = errno; |
359 | free (src); | |
360 | errno = eno; | |
66c73b76 GH |
361 | if (rv == -1) |
362 | SCM_SYSERROR; | |
363 | else if (rv == 0) | |
364 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
365 | if (af == AF_INET) | |
b9bd8526 | 366 | return scm_from_ulong (ntohl (*(scm_t_uint32 *) dst)); |
66c73b76 | 367 | else |
5ee417fc | 368 | return scm_from_ipv6 ((scm_t_uint8 *) dst); |
66c73b76 GH |
369 | } |
370 | #undef FUNC_NAME | |
371 | #endif | |
372 | ||
373 | #ifdef HAVE_INET_NTOP | |
374 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, | |
375 | (SCM family, SCM address), | |
eefae538 | 376 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
377 | "Note that unlike the C version of this function,\n" |
378 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 379 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 380 | "@lisp\n" |
dd85ce47 | 381 | "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n" |
66c73b76 GH |
382 | "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n" |
383 | "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n" | |
384 | "@end lisp") | |
385 | #define FUNC_NAME s_scm_inet_ntop | |
386 | { | |
387 | int af; | |
388 | #ifdef INET6_ADDRSTRLEN | |
389 | char dst[INET6_ADDRSTRLEN]; | |
390 | #else | |
391 | char dst[46]; | |
392 | #endif | |
393 | char addr6[16]; | |
394 | ||
7cee5b31 | 395 | af = scm_to_int (family); |
66c73b76 GH |
396 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
397 | if (af == AF_INET) | |
eccde741 | 398 | *(scm_t_uint32 *) addr6 = htonl (SCM_NUM2ULONG (2, address)); |
66c73b76 | 399 | else |
5ee417fc | 400 | scm_to_ipv6 ((scm_t_uint8 *) addr6, address); |
66c73b76 GH |
401 | if (inet_ntop (af, &addr6, dst, sizeof dst) == NULL) |
402 | SCM_SYSERROR; | |
cc95e00a | 403 | return scm_from_locale_string (dst); |
66c73b76 GH |
404 | } |
405 | #undef FUNC_NAME | |
406 | #endif | |
407 | ||
a57a0b1e | 408 | #endif /* HAVE_IPV6 */ |
eefae538 | 409 | |
bc45012d | 410 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 411 | |
439006bf | 412 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 413 | |
a1ec6916 | 414 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 415 | (SCM family, SCM style, SCM proto), |
1e6808ea | 416 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 417 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
418 | "integers. Supported values for @var{family} are\n" |
419 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
420 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
421 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
422 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 423 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 424 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
425 | "A single socket port cannot by used for communication until it\n" |
426 | "has been connected to another socket.") | |
1bbd0b84 | 427 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 428 | { |
370312ae | 429 | int fd; |
370312ae | 430 | |
7cee5b31 MV |
431 | fd = socket (scm_to_int (family), |
432 | scm_to_int (style), | |
433 | scm_to_int (proto)); | |
439006bf GH |
434 | if (fd == -1) |
435 | SCM_SYSERROR; | |
436 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 437 | } |
1bbd0b84 | 438 | #undef FUNC_NAME |
0f2d19dd | 439 | |
0e958795 | 440 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 441 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 442 | (SCM family, SCM style, SCM proto), |
1e6808ea | 443 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 444 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
445 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
446 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 447 | "@var{proto}.") |
1bbd0b84 | 448 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 449 | { |
370312ae GH |
450 | int fam; |
451 | int fd[2]; | |
370312ae | 452 | |
7cee5b31 | 453 | fam = scm_to_int (family); |
370312ae | 454 | |
7cee5b31 | 455 | if (socketpair (fam, scm_to_int (style), scm_to_int (proto), fd) == -1) |
1bbd0b84 | 456 | SCM_SYSERROR; |
370312ae | 457 | |
439006bf | 458 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 459 | } |
1bbd0b84 | 460 | #undef FUNC_NAME |
0e958795 | 461 | #endif |
0f2d19dd | 462 | |
a1ec6916 | 463 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 464 | (SCM sock, SCM level, SCM optname), |
72e3dae1 KR |
465 | "Return an option value from socket port @var{sock}.\n" |
466 | "\n" | |
467 | "@var{level} is an integer specifying a protocol layer, either\n" | |
468 | "@code{SOL_SOCKET} for socket level options, or a protocol\n" | |
469 | "number from the @code{IPPROTO} constants or @code{getprotoent}\n" | |
470 | "(@pxref{Network Databases}).\n" | |
471 | "\n" | |
472 | "@defvar SOL_SOCKET\n" | |
473 | "@defvarx IPPROTO_IP\n" | |
474 | "@defvarx IPPROTO_TCP\n" | |
475 | "@defvarx IPPROTO_UDP\n" | |
476 | "@end defvar\n" | |
477 | "\n" | |
478 | "@var{optname} is an integer specifying an option within the\n" | |
479 | "protocol layer.\n" | |
480 | "\n" | |
481 | "For @code{SOL_SOCKET} level the following @var{optname}s are\n" | |
482 | "defined (when provided by the system). For their meaning see\n" | |
483 | "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n" | |
484 | "Manual}, or @command{man 7 socket}.\n" | |
485 | "\n" | |
486 | "@defvar SO_DEBUG\n" | |
487 | "@defvarx SO_REUSEADDR\n" | |
488 | "@defvarx SO_STYLE\n" | |
489 | "@defvarx SO_TYPE\n" | |
490 | "@defvarx SO_ERROR\n" | |
491 | "@defvarx SO_DONTROUTE\n" | |
492 | "@defvarx SO_BROADCAST\n" | |
493 | "@defvarx SO_SNDBUF\n" | |
494 | "@defvarx SO_RCVBUF\n" | |
495 | "@defvarx SO_KEEPALIVE\n" | |
496 | "@defvarx SO_OOBINLINE\n" | |
497 | "@defvarx SO_NO_CHECK\n" | |
498 | "@defvarx SO_PRIORITY\n" | |
499 | "The value returned is an integer.\n" | |
500 | "@end defvar\n" | |
501 | "\n" | |
502 | "@defvar SO_LINGER\n" | |
503 | "The @var{value} returned is a pair of integers\n" | |
504 | "@code{(@var{ENABLE} . @var{TIMEOUT})}. On old systems without\n" | |
505 | "timeout support (ie.@: without @code{struct linger}), only\n" | |
506 | "@var{ENABLE} has an effect but the value in Guile is always a\n" | |
507 | "pair.\n" | |
508 | "@end defvar") | |
1bbd0b84 | 509 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 510 | { |
370312ae | 511 | int fd; |
439006bf | 512 | /* size of optval is the largest supported option. */ |
370312ae GH |
513 | #ifdef HAVE_STRUCT_LINGER |
514 | char optval[sizeof (struct linger)]; | |
5ee417fc | 515 | socklen_t optlen = sizeof (struct linger); |
370312ae | 516 | #else |
1be6b49c | 517 | char optval[sizeof (size_t)]; |
5ee417fc | 518 | socklen_t optlen = sizeof (size_t); |
370312ae GH |
519 | #endif |
520 | int ilevel; | |
521 | int ioptname; | |
0f2d19dd | 522 | |
78446828 | 523 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 | 524 | SCM_VALIDATE_OPFPORT (1, sock); |
7cee5b31 MV |
525 | ilevel = scm_to_int (level); |
526 | ioptname = scm_to_int (optname); | |
0f2d19dd | 527 | |
ee149d03 | 528 | fd = SCM_FPORT_FDES (sock); |
370312ae | 529 | if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1) |
1bbd0b84 | 530 | SCM_SYSERROR; |
1cc91f1b | 531 | |
439006bf | 532 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 533 | { |
439006bf GH |
534 | #ifdef SO_LINGER |
535 | if (ioptname == SO_LINGER) | |
536 | { | |
370312ae | 537 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
538 | struct linger *ling = (struct linger *) optval; |
539 | ||
b9bd8526 MV |
540 | return scm_cons (scm_from_long (ling->l_onoff), |
541 | scm_from_long (ling->l_linger)); | |
370312ae | 542 | #else |
b9bd8526 | 543 | return scm_cons (scm_from_long (*(int *) optval), |
7cee5b31 | 544 | scm_from_int (0)); |
0f2d19dd | 545 | #endif |
439006bf GH |
546 | } |
547 | else | |
370312ae | 548 | #endif |
439006bf | 549 | if (0 |
370312ae | 550 | #ifdef SO_SNDBUF |
439006bf | 551 | || ioptname == SO_SNDBUF |
370312ae GH |
552 | #endif |
553 | #ifdef SO_RCVBUF | |
439006bf | 554 | || ioptname == SO_RCVBUF |
370312ae | 555 | #endif |
439006bf GH |
556 | ) |
557 | { | |
b9bd8526 | 558 | return scm_from_size_t (*(size_t *) optval); |
439006bf GH |
559 | } |
560 | } | |
b9bd8526 | 561 | return scm_from_int (*(int *) optval); |
0f2d19dd | 562 | } |
1bbd0b84 | 563 | #undef FUNC_NAME |
0f2d19dd | 564 | |
a1ec6916 | 565 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 566 | (SCM sock, SCM level, SCM optname, SCM value), |
72e3dae1 KR |
567 | "Set an option on socket port @var{sock}. The return value is\n" |
568 | "unspecified.\n" | |
569 | "\n" | |
570 | "@var{level} is an integer specifying a protocol layer, either\n" | |
571 | "@code{SOL_SOCKET} for socket level options, or a protocol\n" | |
572 | "number from the @code{IPPROTO} constants or @code{getprotoent}\n" | |
573 | "(@pxref{Network Databases}).\n" | |
574 | "\n" | |
575 | "@defvar SOL_SOCKET\n" | |
576 | "@defvarx IPPROTO_IP\n" | |
577 | "@defvarx IPPROTO_TCP\n" | |
578 | "@defvarx IPPROTO_UDP\n" | |
579 | "@end defvar\n" | |
580 | "\n" | |
581 | "@var{optname} is an integer specifying an option within the\n" | |
582 | "protocol layer.\n" | |
583 | "\n" | |
584 | "For @code{SOL_SOCKET} level the following @var{optname}s are\n" | |
585 | "defined (when provided by the system). For their meaning see\n" | |
586 | "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n" | |
587 | "Manual}, or @command{man 7 socket}.\n" | |
588 | "\n" | |
589 | "@defvar SO_DEBUG\n" | |
590 | "@defvarx SO_REUSEADDR\n" | |
591 | "@defvarx SO_STYLE\n" | |
592 | "@defvarx SO_TYPE\n" | |
593 | "@defvarx SO_ERROR\n" | |
594 | "@defvarx SO_DONTROUTE\n" | |
595 | "@defvarx SO_BROADCAST\n" | |
596 | "@defvarx SO_SNDBUF\n" | |
597 | "@defvarx SO_RCVBUF\n" | |
598 | "@defvarx SO_KEEPALIVE\n" | |
599 | "@defvarx SO_OOBINLINE\n" | |
600 | "@defvarx SO_NO_CHECK\n" | |
601 | "@defvarx SO_PRIORITY\n" | |
602 | "@var{value} is an integer.\n" | |
603 | "@end defvar\n" | |
604 | "\n" | |
605 | "@defvar SO_LINGER\n" | |
606 | "@var{value} is a pair of integers @code{(@var{ENABLE}\n" | |
607 | ". @var{TIMEOUT})}. On old systems without timeout support\n" | |
608 | "(ie.@: without @code{struct linger}), only @var{ENABLE} has an\n" | |
609 | "effect but the value in Guile is always a pair.\n" | |
610 | "@end defvar\n" | |
611 | "\n" | |
612 | "@c Note that we refer only to ``man ip'' here. On GNU/Linux it's\n" | |
613 | "@c ``man 7 ip'' but on NetBSD it's ``man 4 ip''.\n" | |
614 | "@c \n" | |
615 | "For IP level (@code{IPPROTO_IP}) the following @var{optname}s\n" | |
616 | "are defined (when provided by the system). See @command{man\n" | |
617 | "ip} for what they mean.\n" | |
618 | "\n" | |
619 | "@defvar IP_ADD_MEMBERSHIP\n" | |
620 | "@defvarx IP_DROP_MEMBERSHIP\n" | |
621 | "These can be used only with @code{setsockopt}, not\n" | |
622 | "@code{getsockopt}. @var{value} is a pair\n" | |
623 | "@code{(@var{MULTIADDR} . @var{INTERFACEADDR})} of IPv4\n" | |
624 | "addresses (@pxref{Network Address Conversion}).\n" | |
625 | "@var{MULTIADDR} is a multicast address to be added to or\n" | |
626 | "dropped from the interface @var{INTERFACEADDR}.\n" | |
627 | "@var{INTERFACEADDR} can be @code{INADDR_ANY} to have the system\n" | |
628 | "select the interface. @var{INTERFACEADDR} can also be an\n" | |
f1b7209b KR |
629 | "interface index number, on systems supporting that.\n" |
630 | "@end defvar") | |
1bbd0b84 | 631 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 632 | { |
370312ae | 633 | int fd; |
1c80707c MV |
634 | |
635 | int opt_int; | |
370312ae | 636 | #ifdef HAVE_STRUCT_LINGER |
1c80707c | 637 | struct linger opt_linger; |
370312ae | 638 | #endif |
ecc9f40f MV |
639 | |
640 | #if HAVE_STRUCT_IP_MREQ | |
1c80707c | 641 | struct ip_mreq opt_mreq; |
ecc9f40f | 642 | #endif |
1c80707c MV |
643 | |
644 | const void *optval = NULL; | |
645 | socklen_t optlen = 0; | |
646 | ||
370312ae | 647 | int ilevel, ioptname; |
439006bf | 648 | |
78446828 | 649 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
650 | |
651 | SCM_VALIDATE_OPFPORT (1, sock); | |
7cee5b31 MV |
652 | ilevel = scm_to_int (level); |
653 | ioptname = scm_to_int (optname); | |
439006bf | 654 | |
ee149d03 | 655 | fd = SCM_FPORT_FDES (sock); |
1c80707c | 656 | |
439006bf | 657 | if (ilevel == SOL_SOCKET) |
370312ae | 658 | { |
439006bf GH |
659 | #ifdef SO_LINGER |
660 | if (ioptname == SO_LINGER) | |
661 | { | |
370312ae | 662 | #ifdef HAVE_STRUCT_LINGER |
d2e53ed6 | 663 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); |
1c80707c MV |
664 | opt_linger.l_onoff = scm_to_int (SCM_CAR (value)); |
665 | opt_linger.l_linger = scm_to_int (SCM_CDR (value)); | |
666 | optlen = sizeof (struct linger); | |
667 | optval = &opt_linger; | |
370312ae | 668 | #else |
d2e53ed6 | 669 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); |
1c80707c | 670 | opt_int = scm_to_int (SCM_CAR (value)); |
439006bf | 671 | /* timeout is ignored, but may as well validate it. */ |
1c80707c MV |
672 | scm_to_int (SCM_CDR (value)); |
673 | optlen = sizeof (int); | |
674 | optval = &opt_int; | |
439006bf GH |
675 | #endif |
676 | } | |
677 | else | |
678 | #endif | |
679 | if (0 | |
370312ae | 680 | #ifdef SO_SNDBUF |
439006bf | 681 | || ioptname == SO_SNDBUF |
370312ae GH |
682 | #endif |
683 | #ifdef SO_RCVBUF | |
439006bf | 684 | || ioptname == SO_RCVBUF |
370312ae | 685 | #endif |
439006bf GH |
686 | ) |
687 | { | |
1c80707c MV |
688 | opt_int = scm_to_int (value); |
689 | optlen = sizeof (size_t); | |
690 | optval = &opt_int; | |
439006bf GH |
691 | } |
692 | } | |
1c80707c | 693 | |
ecc9f40f | 694 | #if HAVE_STRUCT_IP_MREQ |
1c80707c MV |
695 | if (ilevel == IPPROTO_IP && |
696 | (ioptname == IP_ADD_MEMBERSHIP || ioptname == IP_DROP_MEMBERSHIP)) | |
0f2d19dd | 697 | { |
1c80707c MV |
698 | /* Fourth argument must be a pair of addresses. */ |
699 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); | |
700 | opt_mreq.imr_multiaddr.s_addr = htonl (scm_to_ulong (SCM_CAR (value))); | |
701 | opt_mreq.imr_interface.s_addr = htonl (scm_to_ulong (SCM_CDR (value))); | |
702 | optlen = sizeof (opt_mreq); | |
703 | optval = &opt_mreq; | |
704 | } | |
ecc9f40f | 705 | #endif |
439006bf | 706 | |
1c80707c MV |
707 | if (optval == NULL) |
708 | { | |
709 | /* Most options take an int. */ | |
710 | opt_int = scm_to_int (value); | |
711 | optlen = sizeof (int); | |
712 | optval = &opt_int; | |
0f2d19dd | 713 | } |
1c80707c MV |
714 | |
715 | if (setsockopt (fd, ilevel, ioptname, optval, optlen) == -1) | |
1bbd0b84 | 716 | SCM_SYSERROR; |
370312ae | 717 | return SCM_UNSPECIFIED; |
0f2d19dd | 718 | } |
1bbd0b84 | 719 | #undef FUNC_NAME |
0f2d19dd | 720 | |
a1ec6916 | 721 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 722 | (SCM sock, SCM how), |
b380b885 | 723 | "Sockets can be closed simply by using @code{close-port}. The\n" |
bb2c02f2 | 724 | "@code{shutdown} procedure allows reception or transmission on a\n" |
b380b885 MD |
725 | "connection to be shut down individually, according to the parameter\n" |
726 | "@var{how}:\n\n" | |
727 | "@table @asis\n" | |
728 | "@item 0\n" | |
729 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
730 | "@item 1\n" | |
731 | "Stop trying to transmit data from this socket. Discard any\n" | |
732 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
733 | "data already sent; don't retransmit it if it is lost.\n" | |
734 | "@item 2\n" | |
735 | "Stop both reception and transmission.\n" | |
736 | "@end table\n\n" | |
737 | "The return value is unspecified.") | |
1bbd0b84 | 738 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 739 | { |
370312ae | 740 | int fd; |
78446828 | 741 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 742 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 743 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 744 | if (shutdown (fd, scm_to_signed_integer (how, 0, 2)) == -1) |
1bbd0b84 | 745 | SCM_SYSERROR; |
370312ae GH |
746 | return SCM_UNSPECIFIED; |
747 | } | |
1bbd0b84 | 748 | #undef FUNC_NAME |
0f2d19dd | 749 | |
370312ae GH |
750 | /* convert fam/address/args into a sockaddr of the appropriate type. |
751 | args is modified by removing the arguments actually used. | |
752 | which_arg and proc are used when reporting errors: | |
753 | which_arg is the position of address in the original argument list. | |
754 | proc is the name of the original procedure. | |
755 | size returns the size of the structure allocated. */ | |
756 | ||
9c0129ac | 757 | static SCM_C_INLINE_KEYWORD struct sockaddr * |
439006bf | 758 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
9c0129ac | 759 | const char *proc, size_t *size) |
3453619b | 760 | #define FUNC_NAME proc |
370312ae GH |
761 | { |
762 | switch (fam) | |
0f2d19dd | 763 | { |
370312ae GH |
764 | case AF_INET: |
765 | { | |
370312ae | 766 | struct sockaddr_in *soka; |
3453619b GH |
767 | unsigned long addr; |
768 | int port; | |
370312ae | 769 | |
3453619b GH |
770 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
771 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
7cee5b31 | 772 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 773 | *args = SCM_CDR (*args); |
67329a9e | 774 | soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in)); |
9c0129ac | 775 | |
93b047f4 | 776 | #if HAVE_STRUCT_SOCKADDR_SIN_LEN |
3453619b GH |
777 | soka->sin_len = sizeof (struct sockaddr_in); |
778 | #endif | |
370312ae | 779 | soka->sin_family = AF_INET; |
3453619b GH |
780 | soka->sin_addr.s_addr = htonl (addr); |
781 | soka->sin_port = htons (port); | |
370312ae GH |
782 | *size = sizeof (struct sockaddr_in); |
783 | return (struct sockaddr *) soka; | |
784 | } | |
a57a0b1e | 785 | #ifdef HAVE_IPV6 |
3453619b GH |
786 | case AF_INET6: |
787 | { | |
788 | /* see RFC2553. */ | |
789 | int port; | |
790 | struct sockaddr_in6 *soka; | |
791 | unsigned long flowinfo = 0; | |
792 | unsigned long scope_id = 0; | |
793 | ||
3453619b | 794 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
7cee5b31 | 795 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 796 | *args = SCM_CDR (*args); |
d2e53ed6 | 797 | if (scm_is_pair (*args)) |
3453619b GH |
798 | { |
799 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
800 | *args = SCM_CDR (*args); | |
d2e53ed6 | 801 | if (scm_is_pair (*args)) |
3453619b GH |
802 | { |
803 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
804 | scope_id); | |
805 | *args = SCM_CDR (*args); | |
806 | } | |
807 | } | |
67329a9e | 808 | soka = (struct sockaddr_in6 *) scm_malloc (sizeof (struct sockaddr_in6)); |
9c0129ac | 809 | |
93b047f4 | 810 | #if HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN |
3453619b GH |
811 | soka->sin6_len = sizeof (struct sockaddr_in6); |
812 | #endif | |
813 | soka->sin6_family = AF_INET6; | |
7cee5b31 | 814 | scm_to_ipv6 (soka->sin6_addr.s6_addr, address); |
5a525b84 | 815 | soka->sin6_port = htons (port); |
3453619b | 816 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 817 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 818 | soka->sin6_scope_id = scope_id; |
5a525b84 | 819 | #endif |
3453619b GH |
820 | *size = sizeof (struct sockaddr_in6); |
821 | return (struct sockaddr *) soka; | |
822 | } | |
823 | #endif | |
1ba8c23a | 824 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
825 | case AF_UNIX: |
826 | { | |
827 | struct sockaddr_un *soka; | |
439006bf | 828 | int addr_size; |
7f9994d9 MV |
829 | char *c_address; |
830 | ||
831 | scm_frame_begin (0); | |
832 | ||
833 | c_address = scm_to_locale_string (address); | |
834 | scm_frame_free (c_address); | |
370312ae | 835 | |
439006bf GH |
836 | /* the static buffer size in sockaddr_un seems to be arbitrary |
837 | and not necessarily a hard limit. e.g., the glibc manual | |
838 | suggests it may be possible to declare it size 0. let's | |
839 | ignore it. if the O/S doesn't like the size it will cause | |
840 | connect/bind etc., to fail. sun_path is always the last | |
841 | member of the structure. */ | |
842 | addr_size = sizeof (struct sockaddr_un) | |
7f9994d9 | 843 | + max (0, strlen (c_address) + 1 - (sizeof soka->sun_path)); |
67329a9e | 844 | soka = (struct sockaddr_un *) scm_malloc (addr_size); |
439006bf GH |
845 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ |
846 | soka->sun_family = AF_UNIX; | |
7f9994d9 | 847 | strcpy (soka->sun_path, c_address); |
439006bf | 848 | *size = SUN_LEN (soka); |
7f9994d9 MV |
849 | |
850 | scm_frame_end (); | |
370312ae GH |
851 | return (struct sockaddr *) soka; |
852 | } | |
0e958795 | 853 | #endif |
370312ae | 854 | default: |
e11e83f3 | 855 | scm_out_of_range (proc, scm_from_int (fam)); |
0f2d19dd | 856 | } |
0f2d19dd | 857 | } |
3453619b | 858 | #undef FUNC_NAME |
9c0129ac KR |
859 | |
860 | SCM_DEFINE (scm_connect, "connect", 2, 1, 1, | |
861 | (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args), | |
eefae538 | 862 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
863 | "family to the address\n" |
864 | "specified by @var{address} and possibly @var{args}.\n" | |
865 | "The format required for @var{address}\n" | |
866 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 867 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 868 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
869 | "filename where the socket is to be created.\n\n" |
870 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
871 | "@var{address} must be an integer IPv4 host address and\n" |
872 | "@var{args} must be a single integer port number.\n\n" | |
873 | "For a socket of family @code{AF_INET6},\n" | |
874 | "@var{address} must be an integer IPv6 host address and\n" | |
875 | "@var{args} may be up to three integers:\n" | |
876 | "port [flowinfo] [scope_id],\n" | |
877 | "where flowinfo and scope_id default to zero.\n\n" | |
9c0129ac KR |
878 | "Alternatively, the second argument can be a socket address object " |
879 | "as returned by @code{make-socket-address}, in which case the " | |
880 | "no additional arguments should be passed.\n\n" | |
b380b885 | 881 | "The return value is unspecified.") |
1bbd0b84 | 882 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 883 | { |
370312ae GH |
884 | int fd; |
885 | struct sockaddr *soka; | |
9c0129ac | 886 | size_t size; |
0f2d19dd | 887 | |
78446828 | 888 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 889 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 890 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
891 | |
892 | if (address == SCM_UNDEFINED) | |
893 | /* No third argument was passed to FAM_OR_SOCKADDR must actually be a | |
894 | `socket address' object. */ | |
895 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
896 | else | |
897 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
898 | &args, 3, FUNC_NAME, &size); | |
899 | ||
370312ae | 900 | if (connect (fd, soka, size) == -1) |
439006bf GH |
901 | { |
902 | int save_errno = errno; | |
9c0129ac | 903 | |
439006bf GH |
904 | free (soka); |
905 | errno = save_errno; | |
906 | SCM_SYSERROR; | |
907 | } | |
908 | free (soka); | |
370312ae | 909 | return SCM_UNSPECIFIED; |
0f2d19dd | 910 | } |
1bbd0b84 | 911 | #undef FUNC_NAME |
0f2d19dd | 912 | |
9c0129ac KR |
913 | SCM_DEFINE (scm_bind, "bind", 2, 1, 1, |
914 | (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args), | |
eefae538 | 915 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
916 | "Generally this only needs to be done for server sockets,\n" |
917 | "so they know where to look for incoming connections. A socket\n" | |
918 | "without an address will be assigned one automatically when it\n" | |
919 | "starts communicating.\n\n" | |
eefae538 GH |
920 | "The format of @var{address} and @var{args} depends\n" |
921 | "on the family of the socket.\n\n" | |
b380b885 | 922 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
923 | "is specified and must be a string with the filename where\n" |
924 | "the socket is to be created.\n\n" | |
925 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
926 | "must be an integer IPv4 address and @var{args}\n" | |
927 | "must be a single integer port number.\n\n" | |
928 | "The values of the following variables can also be used for\n" | |
929 | "@var{address}:\n\n" | |
b380b885 MD |
930 | "@defvar INADDR_ANY\n" |
931 | "Allow connections from any address.\n" | |
932 | "@end defvar\n\n" | |
933 | "@defvar INADDR_LOOPBACK\n" | |
934 | "The address of the local host using the loopback device.\n" | |
935 | "@end defvar\n\n" | |
936 | "@defvar INADDR_BROADCAST\n" | |
937 | "The broadcast address on the local network.\n" | |
938 | "@end defvar\n\n" | |
939 | "@defvar INADDR_NONE\n" | |
940 | "No address.\n" | |
941 | "@end defvar\n\n" | |
eefae538 GH |
942 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
943 | "must be an integer IPv6 address and @var{args}\n" | |
944 | "may be up to three integers:\n" | |
945 | "port [flowinfo] [scope_id],\n" | |
946 | "where flowinfo and scope_id default to zero.\n\n" | |
9c0129ac KR |
947 | "Alternatively, the second argument can be a socket address object " |
948 | "as returned by @code{make-socket-address}, in which case the " | |
949 | "no additional arguments should be passed.\n\n" | |
b380b885 | 950 | "The return value is unspecified.") |
1bbd0b84 | 951 | #define FUNC_NAME s_scm_bind |
370312ae | 952 | { |
370312ae | 953 | struct sockaddr *soka; |
9c0129ac | 954 | size_t size; |
370312ae GH |
955 | int fd; |
956 | ||
78446828 | 957 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 958 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 959 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
960 | |
961 | if (address == SCM_UNDEFINED) | |
962 | /* No third argument was passed to FAM_OR_SOCKADDR must actually be a | |
963 | `socket address' object. */ | |
964 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
965 | else | |
966 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
967 | &args, 3, FUNC_NAME, &size); | |
968 | ||
969 | ||
439006bf GH |
970 | if (bind (fd, soka, size) == -1) |
971 | { | |
972 | int save_errno = errno; | |
9c0129ac | 973 | |
439006bf GH |
974 | free (soka); |
975 | errno = save_errno; | |
1bbd0b84 | 976 | SCM_SYSERROR; |
439006bf GH |
977 | } |
978 | free (soka); | |
370312ae GH |
979 | return SCM_UNSPECIFIED; |
980 | } | |
1bbd0b84 | 981 | #undef FUNC_NAME |
370312ae | 982 | |
a1ec6916 | 983 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 984 | (SCM sock, SCM backlog), |
eefae538 | 985 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
986 | "requests. @var{backlog} is an integer specifying\n" |
987 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
988 | "If the queue fills, new clients will fail to connect until\n" |
989 | "the server calls @code{accept} to accept a connection from\n" | |
990 | "the queue.\n\n" | |
b380b885 | 991 | "The return value is unspecified.") |
1bbd0b84 | 992 | #define FUNC_NAME s_scm_listen |
370312ae GH |
993 | { |
994 | int fd; | |
78446828 | 995 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 996 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 997 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 998 | if (listen (fd, scm_to_int (backlog)) == -1) |
1bbd0b84 | 999 | SCM_SYSERROR; |
370312ae GH |
1000 | return SCM_UNSPECIFIED; |
1001 | } | |
1bbd0b84 | 1002 | #undef FUNC_NAME |
370312ae GH |
1003 | |
1004 | /* Put the components of a sockaddr into a new SCM vector. */ | |
9c0129ac KR |
1005 | static SCM_C_INLINE_KEYWORD SCM |
1006 | _scm_from_sockaddr (const struct sockaddr *address, unsigned addr_size, | |
aca23b65 | 1007 | const char *proc) |
0f2d19dd | 1008 | { |
370312ae | 1009 | short int fam = address->sa_family; |
1d1559ce | 1010 | SCM result =SCM_EOL; |
34d19ef6 | 1011 | |
439006bf | 1012 | |
5a525b84 | 1013 | switch (fam) |
0f2d19dd | 1014 | { |
5a525b84 GH |
1015 | case AF_INET: |
1016 | { | |
e1368a8d | 1017 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 1018 | |
1d1559ce | 1019 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
34d19ef6 | 1020 | |
4057a3e0 MV |
1021 | SCM_SIMPLE_VECTOR_SET(result, 0, |
1022 | scm_from_short (fam)); | |
1023 | SCM_SIMPLE_VECTOR_SET(result, 1, | |
1024 | scm_from_ulong (ntohl (nad->sin_addr.s_addr))); | |
1025 | SCM_SIMPLE_VECTOR_SET(result, 2, | |
1026 | scm_from_ushort (ntohs (nad->sin_port))); | |
5a525b84 GH |
1027 | } |
1028 | break; | |
a57a0b1e | 1029 | #ifdef HAVE_IPV6 |
5a525b84 GH |
1030 | case AF_INET6: |
1031 | { | |
e1368a8d | 1032 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 | 1033 | |
1d1559ce | 1034 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); |
4057a3e0 MV |
1035 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam)); |
1036 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_ipv6 (nad->sin6_addr.s6_addr)); | |
1037 | SCM_SIMPLE_VECTOR_SET(result, 2, scm_from_ushort (ntohs (nad->sin6_port))); | |
1038 | SCM_SIMPLE_VECTOR_SET(result, 3, scm_from_uint32 (nad->sin6_flowinfo)); | |
5a525b84 | 1039 | #ifdef HAVE_SIN6_SCOPE_ID |
4057a3e0 | 1040 | SCM_SIMPLE_VECTOR_SET(result, 4, scm_from_ulong (nad->sin6_scope_id)); |
5a525b84 | 1041 | #else |
4057a3e0 | 1042 | SCM_SIMPLE_VECTOR_SET(result, 4, SCM_INUM0); |
0e958795 | 1043 | #endif |
5a525b84 GH |
1044 | } |
1045 | break; | |
1046 | #endif | |
1047 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
1048 | case AF_UNIX: | |
1049 | { | |
e1368a8d | 1050 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 1051 | |
1d1559ce | 1052 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
34d19ef6 | 1053 | |
4057a3e0 | 1054 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam)); |
aca23b65 MV |
1055 | /* When addr_size is not enough to cover sun_path, do not try |
1056 | to access it. */ | |
1057 | if (addr_size <= offsetof (struct sockaddr_un, sun_path)) | |
4057a3e0 | 1058 | SCM_SIMPLE_VECTOR_SET(result, 1, SCM_BOOL_F); |
aca23b65 | 1059 | else |
4057a3e0 | 1060 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_locale_string (nad->sun_path)); |
5a525b84 GH |
1061 | } |
1062 | break; | |
1063 | #endif | |
1064 | default: | |
9c0129ac KR |
1065 | result = SCM_UNSPECIFIED; |
1066 | scm_misc_error (proc, "unrecognised address family: ~A", | |
e11e83f3 | 1067 | scm_list_1 (scm_from_int (fam))); |
9c0129ac | 1068 | |
0f2d19dd | 1069 | } |
1d1559ce | 1070 | return result; |
370312ae GH |
1071 | } |
1072 | ||
9c0129ac KR |
1073 | /* The publicly-visible function. Return a Scheme object representing |
1074 | ADDRESS, an address of ADDR_SIZE bytes. */ | |
1075 | SCM | |
1076 | scm_from_sockaddr (const struct sockaddr *address, unsigned addr_size) | |
1077 | { | |
1078 | return (_scm_from_sockaddr (address, addr_size, "scm_from_sockaddr")); | |
1079 | } | |
1080 | ||
1081 | /* Convert ADDRESS, an address object returned by either | |
1082 | `scm_from_sockaddr ()' or `scm_make_socket_address ()', into its C | |
1083 | representation. On success, a non-NULL pointer is returned and | |
1084 | ADDRESS_SIZE is updated to the actual size (in bytes) of the returned | |
1085 | address. The result must eventually be freed using `free ()'. */ | |
1086 | struct sockaddr * | |
1087 | scm_to_sockaddr (SCM address, size_t *address_size) | |
1088 | #define FUNC_NAME "scm_to_sockaddr" | |
1089 | { | |
1090 | short int family; | |
1091 | struct sockaddr *c_address = NULL; | |
1092 | ||
1093 | SCM_VALIDATE_VECTOR (1, address); | |
1094 | ||
1095 | *address_size = 0; | |
1096 | family = scm_to_short (SCM_SIMPLE_VECTOR_REF (address, 0)); | |
1097 | ||
1098 | switch (family) | |
1099 | { | |
1100 | case AF_INET: | |
1101 | { | |
1102 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 3) | |
1103 | scm_misc_error (FUNC_NAME, | |
1104 | "invalid inet address representation: ~A", | |
1105 | scm_list_1 (address)); | |
1106 | else | |
1107 | { | |
1108 | struct sockaddr_in c_inet; | |
1109 | ||
1110 | c_inet.sin_addr.s_addr = | |
1111 | htonl (scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 1))); | |
1112 | c_inet.sin_port = | |
1113 | htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2))); | |
1114 | c_inet.sin_family = AF_INET; | |
1115 | ||
1116 | *address_size = sizeof (c_inet); | |
1117 | c_address = scm_malloc (sizeof (c_inet)); | |
1118 | memcpy (c_address, &c_inet, sizeof (c_inet)); | |
1119 | } | |
1120 | ||
1121 | break; | |
1122 | } | |
1123 | ||
1124 | #ifdef HAVE_IPV6 | |
1125 | case AF_INET6: | |
1126 | { | |
1127 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 5) | |
1128 | scm_misc_error (FUNC_NAME, "invalid inet6 address representation: ~A", | |
1129 | scm_list_1 (address)); | |
1130 | else | |
1131 | { | |
1132 | struct sockaddr_in6 c_inet6; | |
1133 | ||
1134 | scm_to_ipv6 (c_inet6.sin6_addr.s6_addr, address); | |
1135 | c_inet6.sin6_port = | |
1136 | htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2))); | |
1137 | c_inet6.sin6_flowinfo = | |
1138 | scm_to_uint32 (SCM_SIMPLE_VECTOR_REF (address, 3)); | |
1139 | #ifdef HAVE_SIN6_SCOPE_ID | |
1140 | c_inet6.sin6_scope_id = | |
1141 | scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 4)); | |
1142 | #endif | |
1143 | ||
1144 | c_inet6.sin6_family = AF_INET6; | |
1145 | ||
1146 | *address_size = sizeof (c_inet6); | |
1147 | c_address = scm_malloc (sizeof (c_inet6)); | |
1148 | memcpy (c_address, &c_inet6, sizeof (c_inet6)); | |
1149 | } | |
1150 | ||
1151 | break; | |
1152 | } | |
1153 | #endif | |
1154 | ||
1155 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
1156 | case AF_UNIX: | |
1157 | { | |
1158 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 2) | |
1159 | scm_misc_error (FUNC_NAME, "invalid unix address representation: ~A", | |
1160 | scm_list_1 (address)); | |
1161 | else | |
1162 | { | |
1163 | SCM path; | |
1164 | size_t path_len = 0; | |
1165 | ||
1166 | path = SCM_SIMPLE_VECTOR_REF (address, 1); | |
1167 | if ((!scm_is_string (path)) && (path != SCM_BOOL_F)) | |
1168 | scm_misc_error (FUNC_NAME, "invalid unix address " | |
1169 | "path: ~A", scm_list_1 (path)); | |
1170 | else | |
1171 | { | |
1172 | struct sockaddr_un c_unix; | |
1173 | ||
1174 | if (path == SCM_BOOL_F) | |
1175 | path_len = 0; | |
1176 | else | |
1177 | path_len = scm_c_string_length (path); | |
1178 | ||
1179 | #ifdef UNIX_PATH_MAX | |
1180 | if (path_len >= UNIX_PATH_MAX) | |
1181 | #else | |
1182 | /* We can hope that this limit will eventually vanish, at least on GNU. | |
1183 | However, currently, while glibc doesn't define `UNIX_PATH_MAX', it | |
1184 | documents it has being limited to 108 bytes. */ | |
1185 | if (path_len >= sizeof (c_unix.sun_path)) | |
1186 | #endif | |
1187 | scm_misc_error (FUNC_NAME, "unix address path " | |
1188 | "too long: ~A", scm_list_1 (path)); | |
1189 | else | |
1190 | { | |
1191 | if (path_len) | |
1192 | { | |
1193 | scm_to_locale_stringbuf (path, c_unix.sun_path, | |
1194 | #ifdef UNIX_PATH_MAX | |
1195 | UNIX_PATH_MAX); | |
1196 | #else | |
1197 | sizeof (c_unix.sun_path)); | |
1198 | #endif | |
1199 | c_unix.sun_path[path_len] = '\0'; | |
1200 | ||
1201 | /* Sanity check. */ | |
1202 | if (strlen (c_unix.sun_path) != path_len) | |
1203 | scm_misc_error (FUNC_NAME, "unix address path " | |
1204 | "contains nul characters: ~A", | |
1205 | scm_list_1 (path)); | |
1206 | } | |
1207 | else | |
1208 | c_unix.sun_path[0] = '\0'; | |
1209 | ||
1210 | c_unix.sun_family = AF_UNIX; | |
1211 | ||
1212 | *address_size = SUN_LEN (&c_unix); | |
1213 | c_address = scm_malloc (sizeof (c_unix)); | |
1214 | memcpy (c_address, &c_unix, sizeof (c_unix)); | |
1215 | } | |
1216 | } | |
1217 | } | |
1218 | ||
1219 | break; | |
1220 | } | |
1221 | #endif | |
1222 | ||
1223 | default: | |
1224 | scm_misc_error (FUNC_NAME, "unrecognised address family: ~A", | |
1225 | scm_list_1 (scm_from_ushort (family))); | |
1226 | } | |
1227 | ||
1228 | return c_address; | |
1229 | } | |
1230 | #undef FUNC_NAME | |
1231 | ||
1232 | ||
1233 | /* Return a newly-allocated `sockaddr' structure that reflects ADDRESS, being | |
1234 | an address of family FAMILY, with the family-specific parameters ARGS (see | |
1235 | the description of `connect' for details). The returned structure may be | |
1236 | freed using `free ()'. */ | |
1237 | struct sockaddr * | |
1238 | scm_c_make_socket_address (SCM family, SCM address, SCM args, | |
1239 | size_t *address_size) | |
1240 | { | |
1241 | size_t size; | |
1242 | struct sockaddr *soka; | |
1243 | ||
1244 | soka = scm_fill_sockaddr (scm_to_ushort (family), address, &args, 1, | |
1245 | "scm_c_make_socket_address", &size); | |
1246 | ||
1247 | return soka; | |
1248 | } | |
1249 | ||
1250 | SCM_DEFINE (scm_make_socket_address, "make-socket-address", 2, 0, 1, | |
1251 | (SCM family, SCM address, SCM args), | |
1252 | "Return a Scheme address object that reflects @var{address}, " | |
1253 | "being an address of family @var{family}, with the " | |
1254 | "family-specific parameters @var{args} (see the description of " | |
1255 | "@code{connect} for details).") | |
1256 | #define FUNC_NAME s_scm_make_socket_address | |
1257 | { | |
1258 | struct sockaddr *c_address; | |
1259 | size_t c_address_size; | |
1260 | ||
1261 | c_address = scm_c_make_socket_address (family, address, args, | |
1262 | &c_address_size); | |
1263 | if (!c_address) | |
1264 | return SCM_BOOL_F; | |
1265 | ||
1266 | return (scm_from_sockaddr (c_address, c_address_size)); | |
1267 | } | |
1268 | #undef FUNC_NAME | |
1269 | ||
1270 | \f | |
439006bf GH |
1271 | /* calculate the size of a buffer large enough to hold any supported |
1272 | sockaddr type. if the buffer isn't large enough, certain system | |
1273 | calls will return a truncated address. */ | |
370312ae | 1274 | |
439006bf GH |
1275 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) |
1276 | #define MAX_SIZE_UN sizeof (struct sockaddr_un) | |
0e958795 | 1277 | #else |
439006bf | 1278 | #define MAX_SIZE_UN 0 |
0e958795 | 1279 | #endif |
439006bf | 1280 | |
a57a0b1e | 1281 | #if defined (HAVE_IPV6) |
5a525b84 GH |
1282 | #define MAX_SIZE_IN6 sizeof (struct sockaddr_in6) |
1283 | #else | |
1284 | #define MAX_SIZE_IN6 0 | |
1285 | #endif | |
1286 | ||
1287 | #define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\ | |
1288 | MAX_SIZE_UN) | |
0f2d19dd | 1289 | |
a1ec6916 | 1290 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 1291 | (SCM sock), |
eefae538 GH |
1292 | "Accept a connection on a bound, listening socket.\n" |
1293 | "If there\n" | |
1294 | "are no pending connections in the queue, wait until\n" | |
1295 | "one is available unless the non-blocking option has been\n" | |
1296 | "set on the socket.\n\n" | |
b380b885 | 1297 | "The return value is a\n" |
eefae538 GH |
1298 | "pair in which the @emph{car} is a new socket port for the\n" |
1299 | "connection and\n" | |
1300 | "the @emph{cdr} is an object with address information about the\n" | |
1301 | "client which initiated the connection.\n\n" | |
1302 | "@var{sock} does not become part of the\n" | |
b380b885 | 1303 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1304 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1305 | { |
370312ae GH |
1306 | int fd; |
1307 | int newfd; | |
1308 | SCM address; | |
1309 | SCM newsock; | |
5ee417fc | 1310 | socklen_t addr_size = MAX_ADDR_SIZE; |
439006bf GH |
1311 | char max_addr[MAX_ADDR_SIZE]; |
1312 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1313 | |
78446828 | 1314 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1315 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1316 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
1317 | newfd = accept (fd, addr, &addr_size); |
1318 | if (newfd == -1) | |
1319 | SCM_SYSERROR; | |
1320 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
9c0129ac | 1321 | address = _scm_from_sockaddr (addr, addr_size, FUNC_NAME); |
370312ae | 1322 | return scm_cons (newsock, address); |
0f2d19dd | 1323 | } |
1bbd0b84 | 1324 | #undef FUNC_NAME |
0f2d19dd | 1325 | |
a1ec6916 | 1326 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1327 | (SCM sock), |
eefae538 | 1328 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1329 | "object returned by @code{accept}. On many systems the address\n" |
1330 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1331 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1332 | { |
370312ae | 1333 | int fd; |
5ee417fc | 1334 | socklen_t addr_size = MAX_ADDR_SIZE; |
439006bf GH |
1335 | char max_addr[MAX_ADDR_SIZE]; |
1336 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1337 | ||
78446828 | 1338 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1339 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1340 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1341 | if (getsockname (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1342 | SCM_SYSERROR; |
9c0129ac | 1343 | return _scm_from_sockaddr (addr, addr_size, FUNC_NAME); |
0f2d19dd | 1344 | } |
1bbd0b84 | 1345 | #undef FUNC_NAME |
0f2d19dd | 1346 | |
a1ec6916 | 1347 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1348 | (SCM sock), |
eefae538 | 1349 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1350 | "is connected to, in the same form as the object returned by\n" |
1351 | "@code{accept}. On many systems the address of a socket in the\n" | |
1352 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1353 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1354 | { |
370312ae | 1355 | int fd; |
5ee417fc | 1356 | socklen_t addr_size = MAX_ADDR_SIZE; |
439006bf GH |
1357 | char max_addr[MAX_ADDR_SIZE]; |
1358 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1359 | ||
78446828 | 1360 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1361 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1362 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1363 | if (getpeername (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1364 | SCM_SYSERROR; |
9c0129ac | 1365 | return _scm_from_sockaddr (addr, addr_size, FUNC_NAME); |
0f2d19dd | 1366 | } |
1bbd0b84 | 1367 | #undef FUNC_NAME |
0f2d19dd | 1368 | |
a1ec6916 | 1369 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1370 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1371 | "Receive data from a socket port.\n" |
1372 | "@var{sock} must already\n" | |
b380b885 MD |
1373 | "be bound to the address from which data is to be received.\n" |
1374 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1375 | "the data will be written. The size of @var{buf} limits\n" |
1376 | "the amount of\n" | |
b380b885 | 1377 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1378 | "protocols, if a packet larger than this limit is encountered\n" |
1379 | "then some data\n" | |
b380b885 MD |
1380 | "will be irrevocably lost.\n\n" |
1381 | "The optional @var{flags} argument is a value or\n" | |
1382 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1383 | "The value returned is the number of bytes read from the\n" |
1384 | "socket.\n\n" | |
1385 | "Note that the data is read directly from the socket file\n" | |
1386 | "descriptor:\n" | |
09831f94 | 1387 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1388 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1389 | { |
370312ae GH |
1390 | int rv; |
1391 | int fd; | |
1392 | int flg; | |
cc95e00a MV |
1393 | char *dest; |
1394 | size_t len; | |
370312ae | 1395 | |
34d19ef6 HWN |
1396 | SCM_VALIDATE_OPFPORT (1, sock); |
1397 | SCM_VALIDATE_STRING (2, buf); | |
7cee5b31 MV |
1398 | if (SCM_UNBNDP (flags)) |
1399 | flg = 0; | |
1400 | else | |
1401 | flg = scm_to_int (flags); | |
ee149d03 | 1402 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1403 | |
cc95e00a MV |
1404 | len = scm_i_string_length (buf); |
1405 | dest = scm_i_string_writable_chars (buf); | |
1406 | SCM_SYSCALL (rv = recv (fd, dest, len, flg)); | |
1407 | scm_i_string_stop_writing (); | |
1408 | ||
370312ae | 1409 | if (rv == -1) |
1bbd0b84 | 1410 | SCM_SYSERROR; |
370312ae | 1411 | |
396e5506 | 1412 | scm_remember_upto_here_1 (buf); |
7cee5b31 | 1413 | return scm_from_int (rv); |
370312ae | 1414 | } |
1bbd0b84 | 1415 | #undef FUNC_NAME |
370312ae | 1416 | |
a1ec6916 | 1417 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1418 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1419 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1420 | "@var{sock} must already be bound to a destination address. The\n" | |
1421 | "value returned is the number of bytes transmitted --\n" | |
1422 | "it's possible for\n" | |
1423 | "this to be less than the length of @var{message}\n" | |
1424 | "if the socket is\n" | |
1425 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1426 | "is a value or\n" | |
b380b885 | 1427 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1428 | "Note that the data is written directly to the socket\n" |
1429 | "file descriptor:\n" | |
b380b885 | 1430 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1431 | #define FUNC_NAME s_scm_send |
370312ae GH |
1432 | { |
1433 | int rv; | |
1434 | int fd; | |
1435 | int flg; | |
cc95e00a MV |
1436 | const char *src; |
1437 | size_t len; | |
370312ae | 1438 | |
78446828 | 1439 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1440 | SCM_VALIDATE_OPFPORT (1, sock); |
a6d9e5ab | 1441 | SCM_VALIDATE_STRING (2, message); |
7cee5b31 MV |
1442 | if (SCM_UNBNDP (flags)) |
1443 | flg = 0; | |
1444 | else | |
1445 | flg = scm_to_int (flags); | |
ee149d03 | 1446 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1447 | |
cc95e00a MV |
1448 | len = scm_i_string_length (message); |
1449 | src = scm_i_string_writable_chars (message); | |
1450 | SCM_SYSCALL (rv = send (fd, src, len, flg)); | |
1451 | scm_i_string_stop_writing (); | |
1452 | ||
370312ae | 1453 | if (rv == -1) |
1bbd0b84 | 1454 | SCM_SYSERROR; |
396e5506 MV |
1455 | |
1456 | scm_remember_upto_here_1 (message); | |
7cee5b31 | 1457 | return scm_from_int (rv); |
370312ae | 1458 | } |
1bbd0b84 | 1459 | #undef FUNC_NAME |
370312ae | 1460 | |
a1ec6916 | 1461 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1462 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
eefae538 | 1463 | "Return data from the socket port @var{sock} and also\n" |
1e6808ea | 1464 | "information about where the data was received from.\n" |
eefae538 | 1465 | "@var{sock} must already be bound to the address from which\n" |
1e6808ea MG |
1466 | "data is to be received. @code{str}, is a string into which the\n" |
1467 | "data will be written. The size of @var{str} limits the amount\n" | |
1468 | "of data which can be received: in the case of packet protocols,\n" | |
1469 | "if a packet larger than this limit is encountered then some\n" | |
eefae538 | 1470 | "data will be irrevocably lost.\n\n" |
1e6808ea | 1471 | "The optional @var{flags} argument is a value or bitwise OR of\n" |
eefae538 | 1472 | "@code{MSG_OOB}, @code{MSG_PEEK}, @code{MSG_DONTROUTE} etc.\n\n" |
1e6808ea MG |
1473 | "The value returned is a pair: the @emph{car} is the number of\n" |
1474 | "bytes read from the socket and the @emph{cdr} an address object\n" | |
eefae538 GH |
1475 | "in the same form as returned by @code{accept}. The address\n" |
1476 | "will given as @code{#f} if not available, as is usually the\n" | |
1477 | "case for stream sockets.\n\n" | |
1e6808ea | 1478 | "The @var{start} and @var{end} arguments specify a substring of\n" |
eefae538 | 1479 | "@var{str} to which the data should be written.\n\n" |
1e6808ea MG |
1480 | "Note that the data is read directly from the socket file\n" |
1481 | "descriptor: any unread buffered port data is ignored.") | |
1bbd0b84 | 1482 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1483 | { |
1484 | int rv; | |
1485 | int fd; | |
1486 | int flg; | |
60d02d09 | 1487 | char *buf; |
396e5506 MV |
1488 | size_t offset; |
1489 | size_t cend; | |
370312ae | 1490 | SCM address; |
5ee417fc | 1491 | socklen_t addr_size = MAX_ADDR_SIZE; |
439006bf GH |
1492 | char max_addr[MAX_ADDR_SIZE]; |
1493 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1494 | |
34d19ef6 | 1495 | SCM_VALIDATE_OPFPORT (1, sock); |
60d02d09 | 1496 | fd = SCM_FPORT_FDES (sock); |
396e5506 MV |
1497 | |
1498 | SCM_VALIDATE_STRING (2, str); | |
cc95e00a | 1499 | scm_i_get_substring_spec (scm_i_string_length (str), |
396e5506 MV |
1500 | start, &offset, end, &cend); |
1501 | ||
1146b6cd GH |
1502 | if (SCM_UNBNDP (flags)) |
1503 | flg = 0; | |
370312ae | 1504 | else |
60d02d09 | 1505 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1506 | |
97d0e20b GH |
1507 | /* recvfrom will not necessarily return an address. usually nothing |
1508 | is returned for stream sockets. */ | |
cc95e00a | 1509 | buf = scm_i_string_writable_chars (str); |
439006bf | 1510 | addr->sa_family = AF_UNSPEC; |
60d02d09 | 1511 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1512 | cend - offset, flg, |
439006bf | 1513 | addr, &addr_size)); |
cc95e00a MV |
1514 | scm_i_string_stop_writing (); |
1515 | ||
370312ae | 1516 | if (rv == -1) |
1bbd0b84 | 1517 | SCM_SYSERROR; |
eefae538 | 1518 | if (addr->sa_family != AF_UNSPEC) |
9c0129ac | 1519 | address = _scm_from_sockaddr (addr, addr_size, FUNC_NAME); |
370312ae GH |
1520 | else |
1521 | address = SCM_BOOL_F; | |
1522 | ||
396e5506 | 1523 | scm_remember_upto_here_1 (str); |
e11e83f3 | 1524 | return scm_cons (scm_from_int (rv), address); |
0f2d19dd | 1525 | } |
1bbd0b84 | 1526 | #undef FUNC_NAME |
0f2d19dd | 1527 | |
9c0129ac KR |
1528 | SCM_DEFINE (scm_sendto, "sendto", 3, 1, 1, |
1529 | (SCM sock, SCM message, SCM fam_or_sockaddr, SCM address, SCM args_and_flags), | |
eefae538 GH |
1530 | "Transmit the string @var{message} on the socket port\n" |
1531 | "@var{sock}. The\n" | |
1532 | "destination address is specified using the @var{fam},\n" | |
1533 | "@var{address} and\n" | |
9c0129ac KR |
1534 | "@var{args_and_flags} arguments, or just a socket address object " |
1535 | "returned by @code{make-socket-address}, in a similar way to the\n" | |
eefae538 GH |
1536 | "@code{connect} procedure. @var{args_and_flags} contains\n" |
1537 | "the usual connection arguments optionally followed by\n" | |
1538 | "a flags argument, which is a value or\n" | |
b380b885 | 1539 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1540 | "The value returned is the number of bytes transmitted --\n" |
1541 | "it's possible for\n" | |
1542 | "this to be less than the length of @var{message} if the\n" | |
1543 | "socket is\n" | |
1544 | "set to be non-blocking.\n" | |
1545 | "Note that the data is written directly to the socket\n" | |
1546 | "file descriptor:\n" | |
b380b885 | 1547 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1548 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1549 | { |
1550 | int rv; | |
1551 | int fd; | |
1552 | int flg; | |
1553 | struct sockaddr *soka; | |
9c0129ac | 1554 | size_t size; |
370312ae | 1555 | |
78446828 | 1556 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1557 | SCM_VALIDATE_FPORT (1, sock); |
a6d9e5ab | 1558 | SCM_VALIDATE_STRING (2, message); |
ee149d03 | 1559 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
1560 | |
1561 | if (!scm_is_number (fam_or_sockaddr)) | |
1562 | { | |
1563 | /* FAM_OR_SOCKADDR must actually be a `socket address' object. This | |
1564 | means that the following arguments, i.e. ADDRESS and those listed in | |
1565 | ARGS_AND_FLAGS, are the `MSG_' flags. */ | |
1566 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
1567 | if (address != SCM_UNDEFINED) | |
1568 | args_and_flags = scm_cons (address, args_and_flags); | |
1569 | } | |
1570 | else | |
1571 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
1572 | &args_and_flags, 3, FUNC_NAME, &size); | |
1573 | ||
d2e53ed6 | 1574 | if (scm_is_null (args_and_flags)) |
370312ae GH |
1575 | flg = 0; |
1576 | else | |
1577 | { | |
34d19ef6 | 1578 | SCM_VALIDATE_CONS (5, args_and_flags); |
e4b265d8 | 1579 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1580 | } |
396e5506 | 1581 | SCM_SYSCALL (rv = sendto (fd, |
cc95e00a MV |
1582 | scm_i_string_chars (message), |
1583 | scm_i_string_length (message), | |
ae2fa5bc | 1584 | flg, soka, size)); |
370312ae | 1585 | if (rv == -1) |
439006bf GH |
1586 | { |
1587 | int save_errno = errno; | |
1588 | free (soka); | |
1589 | errno = save_errno; | |
1590 | SCM_SYSERROR; | |
1591 | } | |
1592 | free (soka); | |
396e5506 MV |
1593 | |
1594 | scm_remember_upto_here_1 (message); | |
e11e83f3 | 1595 | return scm_from_int (rv); |
370312ae | 1596 | } |
1bbd0b84 | 1597 | #undef FUNC_NAME |
370312ae GH |
1598 | \f |
1599 | ||
1600 | ||
1601 | void | |
0f2d19dd | 1602 | scm_init_socket () |
0f2d19dd | 1603 | { |
370312ae GH |
1604 | /* protocol families. */ |
1605 | #ifdef AF_UNSPEC | |
e11e83f3 | 1606 | scm_c_define ("AF_UNSPEC", scm_from_int (AF_UNSPEC)); |
370312ae GH |
1607 | #endif |
1608 | #ifdef AF_UNIX | |
e11e83f3 | 1609 | scm_c_define ("AF_UNIX", scm_from_int (AF_UNIX)); |
370312ae GH |
1610 | #endif |
1611 | #ifdef AF_INET | |
e11e83f3 | 1612 | scm_c_define ("AF_INET", scm_from_int (AF_INET)); |
370312ae | 1613 | #endif |
3453619b | 1614 | #ifdef AF_INET6 |
e11e83f3 | 1615 | scm_c_define ("AF_INET6", scm_from_int (AF_INET6)); |
3453619b | 1616 | #endif |
370312ae GH |
1617 | |
1618 | #ifdef PF_UNSPEC | |
e11e83f3 | 1619 | scm_c_define ("PF_UNSPEC", scm_from_int (PF_UNSPEC)); |
370312ae GH |
1620 | #endif |
1621 | #ifdef PF_UNIX | |
e11e83f3 | 1622 | scm_c_define ("PF_UNIX", scm_from_int (PF_UNIX)); |
370312ae GH |
1623 | #endif |
1624 | #ifdef PF_INET | |
e11e83f3 | 1625 | scm_c_define ("PF_INET", scm_from_int (PF_INET)); |
370312ae | 1626 | #endif |
3453619b | 1627 | #ifdef PF_INET6 |
e11e83f3 | 1628 | scm_c_define ("PF_INET6", scm_from_int (PF_INET6)); |
3453619b | 1629 | #endif |
370312ae | 1630 | |
66c73b76 GH |
1631 | /* standard addresses. */ |
1632 | #ifdef INADDR_ANY | |
b9bd8526 | 1633 | scm_c_define ("INADDR_ANY", scm_from_ulong (INADDR_ANY)); |
66c73b76 GH |
1634 | #endif |
1635 | #ifdef INADDR_BROADCAST | |
b9bd8526 | 1636 | scm_c_define ("INADDR_BROADCAST", scm_from_ulong (INADDR_BROADCAST)); |
66c73b76 GH |
1637 | #endif |
1638 | #ifdef INADDR_NONE | |
b9bd8526 | 1639 | scm_c_define ("INADDR_NONE", scm_from_ulong (INADDR_NONE)); |
66c73b76 GH |
1640 | #endif |
1641 | #ifdef INADDR_LOOPBACK | |
b9bd8526 | 1642 | scm_c_define ("INADDR_LOOPBACK", scm_from_ulong (INADDR_LOOPBACK)); |
66c73b76 GH |
1643 | #endif |
1644 | ||
6f637a1b KR |
1645 | /* socket types. |
1646 | ||
1647 | SOCK_PACKET is deliberately omitted, the GNU/Linux socket(2) and | |
1648 | packet(7) advise that it's obsolete and strongly deprecated. */ | |
1649 | ||
370312ae | 1650 | #ifdef SOCK_STREAM |
e11e83f3 | 1651 | scm_c_define ("SOCK_STREAM", scm_from_int (SOCK_STREAM)); |
370312ae GH |
1652 | #endif |
1653 | #ifdef SOCK_DGRAM | |
e11e83f3 | 1654 | scm_c_define ("SOCK_DGRAM", scm_from_int (SOCK_DGRAM)); |
370312ae | 1655 | #endif |
6f637a1b KR |
1656 | #ifdef SOCK_SEQPACKET |
1657 | scm_c_define ("SOCK_SEQPACKET", scm_from_int (SOCK_SEQPACKET)); | |
1658 | #endif | |
370312ae | 1659 | #ifdef SOCK_RAW |
e11e83f3 | 1660 | scm_c_define ("SOCK_RAW", scm_from_int (SOCK_RAW)); |
370312ae | 1661 | #endif |
6f637a1b KR |
1662 | #ifdef SOCK_RDM |
1663 | scm_c_define ("SOCK_RDM", scm_from_int (SOCK_RDM)); | |
1664 | #endif | |
370312ae | 1665 | |
8fae2bf4 KR |
1666 | /* setsockopt level. |
1667 | ||
1668 | SOL_IP, SOL_TCP and SOL_UDP are defined on gnu/linux, but not on for | |
1669 | instance NetBSD. We define IPPROTOs because that's what the posix spec | |
1670 | shows in its example at | |
1671 | ||
1672 | http://www.opengroup.org/onlinepubs/007904975/functions/getsockopt.html | |
1673 | */ | |
370312ae | 1674 | #ifdef SOL_SOCKET |
e11e83f3 | 1675 | scm_c_define ("SOL_SOCKET", scm_from_int (SOL_SOCKET)); |
370312ae | 1676 | #endif |
8fae2bf4 KR |
1677 | #ifdef IPPROTO_IP |
1678 | scm_c_define ("IPPROTO_IP", scm_from_int (IPPROTO_IP)); | |
370312ae | 1679 | #endif |
8fae2bf4 KR |
1680 | #ifdef IPPROTO_TCP |
1681 | scm_c_define ("IPPROTO_TCP", scm_from_int (IPPROTO_TCP)); | |
370312ae | 1682 | #endif |
8fae2bf4 KR |
1683 | #ifdef IPPROTO_UDP |
1684 | scm_c_define ("IPPROTO_UDP", scm_from_int (IPPROTO_UDP)); | |
370312ae GH |
1685 | #endif |
1686 | ||
1687 | /* setsockopt names. */ | |
1688 | #ifdef SO_DEBUG | |
e11e83f3 | 1689 | scm_c_define ("SO_DEBUG", scm_from_int (SO_DEBUG)); |
370312ae GH |
1690 | #endif |
1691 | #ifdef SO_REUSEADDR | |
e11e83f3 | 1692 | scm_c_define ("SO_REUSEADDR", scm_from_int (SO_REUSEADDR)); |
370312ae GH |
1693 | #endif |
1694 | #ifdef SO_STYLE | |
e11e83f3 | 1695 | scm_c_define ("SO_STYLE", scm_from_int (SO_STYLE)); |
370312ae GH |
1696 | #endif |
1697 | #ifdef SO_TYPE | |
e11e83f3 | 1698 | scm_c_define ("SO_TYPE", scm_from_int (SO_TYPE)); |
370312ae GH |
1699 | #endif |
1700 | #ifdef SO_ERROR | |
e11e83f3 | 1701 | scm_c_define ("SO_ERROR", scm_from_int (SO_ERROR)); |
370312ae GH |
1702 | #endif |
1703 | #ifdef SO_DONTROUTE | |
e11e83f3 | 1704 | scm_c_define ("SO_DONTROUTE", scm_from_int (SO_DONTROUTE)); |
370312ae GH |
1705 | #endif |
1706 | #ifdef SO_BROADCAST | |
e11e83f3 | 1707 | scm_c_define ("SO_BROADCAST", scm_from_int (SO_BROADCAST)); |
370312ae GH |
1708 | #endif |
1709 | #ifdef SO_SNDBUF | |
e11e83f3 | 1710 | scm_c_define ("SO_SNDBUF", scm_from_int (SO_SNDBUF)); |
370312ae GH |
1711 | #endif |
1712 | #ifdef SO_RCVBUF | |
e11e83f3 | 1713 | scm_c_define ("SO_RCVBUF", scm_from_int (SO_RCVBUF)); |
370312ae GH |
1714 | #endif |
1715 | #ifdef SO_KEEPALIVE | |
e11e83f3 | 1716 | scm_c_define ("SO_KEEPALIVE", scm_from_int (SO_KEEPALIVE)); |
370312ae GH |
1717 | #endif |
1718 | #ifdef SO_OOBINLINE | |
e11e83f3 | 1719 | scm_c_define ("SO_OOBINLINE", scm_from_int (SO_OOBINLINE)); |
370312ae GH |
1720 | #endif |
1721 | #ifdef SO_NO_CHECK | |
e11e83f3 | 1722 | scm_c_define ("SO_NO_CHECK", scm_from_int (SO_NO_CHECK)); |
370312ae GH |
1723 | #endif |
1724 | #ifdef SO_PRIORITY | |
e11e83f3 | 1725 | scm_c_define ("SO_PRIORITY", scm_from_int (SO_PRIORITY)); |
370312ae GH |
1726 | #endif |
1727 | #ifdef SO_LINGER | |
e11e83f3 | 1728 | scm_c_define ("SO_LINGER", scm_from_int (SO_LINGER)); |
370312ae GH |
1729 | #endif |
1730 | ||
1731 | /* recv/send options. */ | |
1732 | #ifdef MSG_OOB | |
e11e83f3 | 1733 | scm_c_define ("MSG_OOB", scm_from_int (MSG_OOB)); |
370312ae GH |
1734 | #endif |
1735 | #ifdef MSG_PEEK | |
e11e83f3 | 1736 | scm_c_define ("MSG_PEEK", scm_from_int (MSG_PEEK)); |
370312ae GH |
1737 | #endif |
1738 | #ifdef MSG_DONTROUTE | |
e11e83f3 | 1739 | scm_c_define ("MSG_DONTROUTE", scm_from_int (MSG_DONTROUTE)); |
370312ae GH |
1740 | #endif |
1741 | ||
b4e15479 SJ |
1742 | #ifdef __MINGW32__ |
1743 | scm_i_init_socket_Win32 (); | |
1744 | #endif | |
1745 | ||
1c80707c MV |
1746 | #ifdef IP_ADD_MEMBERSHIP |
1747 | scm_c_define ("IP_ADD_MEMBERSHIP", scm_from_int (IP_ADD_MEMBERSHIP)); | |
1748 | scm_c_define ("IP_DROP_MEMBERSHIP", scm_from_int (IP_DROP_MEMBERSHIP)); | |
1749 | #endif | |
1750 | ||
0f2d19dd | 1751 | scm_add_feature ("socket"); |
370312ae | 1752 | |
a0599745 | 1753 | #include "libguile/socket.x" |
0f2d19dd JB |
1754 | } |
1755 | ||
89e00824 ML |
1756 | |
1757 | /* | |
1758 | Local Variables: | |
1759 | c-file-style: "gnu" | |
1760 | End: | |
1761 | */ |