Commit | Line | Data |
---|---|---|
7a5fb796 | 1 | /* Copyright (C) 1996,1997,1998,2000,2001, 2002, 2003, 2004, 2005, 2006, 2007 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 | { |
8ab3d8a0 | 101 | return scm_from_ulong (htonl (scm_to_uint32 (value))); |
5c11cc9d | 102 | } |
1bbd0b84 | 103 | #undef FUNC_NAME |
5c11cc9d | 104 | |
a1ec6916 | 105 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
106 | (SCM value), |
107 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
108 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
109 | "and returned as a new integer.") | |
1bbd0b84 | 110 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 111 | { |
8ab3d8a0 | 112 | return scm_from_ulong (ntohl (scm_to_uint32 (value))); |
5c11cc9d | 113 | } |
1bbd0b84 | 114 | #undef FUNC_NAME |
5c11cc9d | 115 | |
66c73b76 GH |
116 | #ifndef HAVE_INET_ATON |
117 | /* for our definition in inet_aton.c, not usually needed. */ | |
118 | extern int inet_aton (); | |
119 | #endif | |
120 | ||
121 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
122 | (SCM address), | |
eefae538 GH |
123 | "Convert an IPv4 Internet address from printable string\n" |
124 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
125 | "@lisp\n" |
126 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
127 | "@end lisp") | |
128 | #define FUNC_NAME s_scm_inet_aton | |
129 | { | |
130 | struct in_addr soka; | |
396e5506 MV |
131 | char *c_address; |
132 | int rv; | |
66c73b76 | 133 | |
396e5506 MV |
134 | c_address = scm_to_locale_string (address); |
135 | rv = inet_aton (c_address, &soka); | |
136 | free (c_address); | |
137 | if (rv == 0) | |
66c73b76 | 138 | SCM_MISC_ERROR ("bad address", SCM_EOL); |
b9bd8526 | 139 | return scm_from_ulong (ntohl (soka.s_addr)); |
66c73b76 GH |
140 | } |
141 | #undef FUNC_NAME | |
142 | ||
143 | ||
144 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
145 | (SCM inetid), | |
eefae538 GH |
146 | "Convert an IPv4 Internet address to a printable\n" |
147 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
148 | "@lisp\n" |
149 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
150 | "@end lisp") | |
151 | #define FUNC_NAME s_scm_inet_ntoa | |
152 | { | |
153 | struct in_addr addr; | |
154 | char *s; | |
155 | SCM answer; | |
156 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
157 | s = inet_ntoa (addr); | |
cc95e00a | 158 | answer = scm_from_locale_string (s); |
66c73b76 GH |
159 | return answer; |
160 | } | |
161 | #undef FUNC_NAME | |
162 | ||
163 | #ifdef HAVE_INET_NETOF | |
164 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
165 | (SCM address), | |
eefae538 GH |
166 | "Return the network number part of the given IPv4\n" |
167 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
168 | "@lisp\n" |
169 | "(inet-netof 2130706433) @result{} 127\n" | |
170 | "@end lisp") | |
171 | #define FUNC_NAME s_scm_inet_netof | |
172 | { | |
173 | struct in_addr addr; | |
174 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 175 | return scm_from_ulong (inet_netof (addr)); |
66c73b76 GH |
176 | } |
177 | #undef FUNC_NAME | |
178 | #endif | |
179 | ||
180 | #ifdef HAVE_INET_LNAOF | |
181 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
182 | (SCM address), | |
183 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
184 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
185 | "E.g.,\n\n" | |
66c73b76 GH |
186 | "@lisp\n" |
187 | "(inet-lnaof 2130706433) @result{} 1\n" | |
188 | "@end lisp") | |
189 | #define FUNC_NAME s_scm_lnaof | |
190 | { | |
191 | struct in_addr addr; | |
192 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 193 | return scm_from_ulong (inet_lnaof (addr)); |
66c73b76 GH |
194 | } |
195 | #undef FUNC_NAME | |
196 | #endif | |
197 | ||
198 | #ifdef HAVE_INET_MAKEADDR | |
199 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
200 | (SCM net, SCM lna), | |
eefae538 | 201 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 202 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 203 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
204 | "@lisp\n" |
205 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
206 | "@end lisp") | |
207 | #define FUNC_NAME s_scm_inet_makeaddr | |
208 | { | |
209 | struct in_addr addr; | |
210 | unsigned long netnum; | |
211 | unsigned long lnanum; | |
212 | ||
213 | netnum = SCM_NUM2ULONG (1, net); | |
214 | lnanum = SCM_NUM2ULONG (2, lna); | |
215 | addr = inet_makeaddr (netnum, lnanum); | |
b9bd8526 | 216 | return scm_from_ulong (ntohl (addr.s_addr)); |
66c73b76 GH |
217 | } |
218 | #undef FUNC_NAME | |
219 | #endif | |
220 | ||
a57a0b1e | 221 | #ifdef HAVE_IPV6 |
eefae538 | 222 | |
66c73b76 GH |
223 | /* flip a 128 bit IPv6 address between host and network order. */ |
224 | #ifdef WORDS_BIGENDIAN | |
225 | #define FLIP_NET_HOST_128(addr) | |
226 | #else | |
227 | #define FLIP_NET_HOST_128(addr)\ | |
228 | {\ | |
229 | int i;\ | |
230 | \ | |
231 | for (i = 0; i < 8; i++)\ | |
232 | {\ | |
2de4f939 | 233 | scm_t_uint8 c = (addr)[i];\ |
66c73b76 GH |
234 | \ |
235 | (addr)[i] = (addr)[15 - i];\ | |
236 | (addr)[15 - i] = c;\ | |
237 | }\ | |
238 | } | |
239 | #endif | |
240 | ||
2de4f939 RB |
241 | #ifdef WORDS_BIGENDIAN |
242 | #define FLIPCPY_NET_HOST_128(dest, src) memcpy (dest, src, 16) | |
243 | #else | |
244 | #define FLIPCPY_NET_HOST_128(dest, src) \ | |
245 | { \ | |
246 | const scm_t_uint8 *tmp_srcp = (src) + 15; \ | |
247 | scm_t_uint8 *tmp_destp = (dest); \ | |
248 | \ | |
249 | do { \ | |
250 | *tmp_destp++ = *tmp_srcp--; \ | |
251 | } while (tmp_srcp != (src)); \ | |
252 | } | |
253 | #endif | |
254 | ||
255 | ||
7310ad0c | 256 | #if (SIZEOF_SCM_T_BITS * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
257 | #error "Assumption that scm_t_bits <= 128 bits has been violated." |
258 | #endif | |
259 | ||
7310ad0c | 260 | #if (SIZEOF_UNSIGNED_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
261 | #error "Assumption that unsigned long <= 128 bits has been violated." |
262 | #endif | |
263 | ||
7310ad0c | 264 | #if (SIZEOF_UNSIGNED_LONG_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
265 | #error "Assumption that unsigned long long <= 128 bits has been violated." |
266 | #endif | |
267 | ||
66c73b76 GH |
268 | /* convert a 128 bit IPv6 address in network order to a host ordered |
269 | SCM integer. */ | |
7cee5b31 MV |
270 | static SCM |
271 | scm_from_ipv6 (const scm_t_uint8 *src) | |
66c73b76 | 272 | { |
2b4d1547 KR |
273 | SCM result = scm_i_mkbig (); |
274 | mpz_import (SCM_I_BIG_MPZ (result), | |
275 | 1, /* chunk */ | |
276 | 1, /* big-endian chunk ordering */ | |
277 | 16, /* chunks are 16 bytes long */ | |
278 | 1, /* big-endian byte ordering */ | |
279 | 0, /* "nails" -- leading unused bits per chunk */ | |
280 | src); | |
281 | return scm_i_normbig (result); | |
282 | } | |
66c73b76 GH |
283 | |
284 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
285 | network order. */ | |
7cee5b31 MV |
286 | static void |
287 | scm_to_ipv6 (scm_t_uint8 dst[16], SCM src) | |
66c73b76 | 288 | { |
e11e83f3 | 289 | if (SCM_I_INUMP (src)) |
66c73b76 | 290 | { |
e11e83f3 | 291 | scm_t_signed_bits n = SCM_I_INUM (src); |
7cee5b31 MV |
292 | if (n < 0) |
293 | scm_out_of_range (NULL, src); | |
2de4f939 RB |
294 | #ifdef WORDS_BIGENDIAN |
295 | memset (dst, 0, 16 - sizeof (scm_t_signed_bits)); | |
296 | memcpy (dst + (16 - sizeof (scm_t_signed_bits)), | |
297 | &n, | |
298 | sizeof (scm_t_signed_bits)); | |
299 | #else | |
300 | memset (dst + sizeof (scm_t_signed_bits), | |
301 | 0, | |
302 | 16 - sizeof (scm_t_signed_bits)); | |
303 | /* FIXME: this pair of ops is kinda wasteful -- should rewrite as | |
304 | a single loop perhaps, similar to the handling of bignums. */ | |
305 | memcpy (dst, &n, sizeof (scm_t_signed_bits)); | |
306 | FLIP_NET_HOST_128 (dst); | |
307 | #endif | |
66c73b76 | 308 | } |
7cee5b31 | 309 | else if (SCM_BIGP (src)) |
66c73b76 | 310 | { |
2de4f939 | 311 | size_t count; |
7cee5b31 MV |
312 | |
313 | if ((mpz_sgn (SCM_I_BIG_MPZ (src)) < 0) | |
314 | || mpz_sizeinbase (SCM_I_BIG_MPZ (src), 2) > 128) | |
315 | scm_out_of_range (NULL, src); | |
316 | ||
66c73b76 | 317 | memset (dst, 0, 16); |
2de4f939 RB |
318 | mpz_export (dst, |
319 | &count, | |
320 | 1, /* big-endian chunk ordering */ | |
321 | 16, /* chunks are 16 bytes long */ | |
322 | 1, /* big-endian byte ordering */ | |
323 | 0, /* "nails" -- leading unused bits per chunk */ | |
324 | SCM_I_BIG_MPZ (src)); | |
325 | scm_remember_upto_here_1 (src); | |
66c73b76 | 326 | } |
2de4f939 | 327 | else |
7cee5b31 | 328 | scm_wrong_type_arg (NULL, 0, src); |
2de4f939 RB |
329 | } |
330 | ||
66c73b76 GH |
331 | #ifdef HAVE_INET_PTON |
332 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, | |
333 | (SCM family, SCM address), | |
eefae538 GH |
334 | "Convert a string containing a printable network address to\n" |
335 | "an integer address. Note that unlike the C version of this\n" | |
336 | "function,\n" | |
66c73b76 | 337 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 338 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 339 | "@lisp\n" |
dd85ce47 ML |
340 | "(inet-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n" |
341 | "(inet-pton AF_INET6 \"::1\") @result{} 1\n" | |
66c73b76 GH |
342 | "@end lisp") |
343 | #define FUNC_NAME s_scm_inet_pton | |
344 | { | |
345 | int af; | |
346 | char *src; | |
347 | char dst[16]; | |
396e5506 | 348 | int rv, eno; |
66c73b76 | 349 | |
7cee5b31 | 350 | af = scm_to_int (family); |
66c73b76 | 351 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
396e5506 | 352 | src = scm_to_locale_string (address); |
66c73b76 | 353 | rv = inet_pton (af, src, dst); |
396e5506 MV |
354 | eno = errno; |
355 | free (src); | |
356 | errno = eno; | |
66c73b76 GH |
357 | if (rv == -1) |
358 | SCM_SYSERROR; | |
359 | else if (rv == 0) | |
360 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
361 | if (af == AF_INET) | |
b9bd8526 | 362 | return scm_from_ulong (ntohl (*(scm_t_uint32 *) dst)); |
66c73b76 | 363 | else |
5ee417fc | 364 | return scm_from_ipv6 ((scm_t_uint8 *) dst); |
66c73b76 GH |
365 | } |
366 | #undef FUNC_NAME | |
367 | #endif | |
368 | ||
369 | #ifdef HAVE_INET_NTOP | |
370 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, | |
371 | (SCM family, SCM address), | |
eefae538 | 372 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
373 | "Note that unlike the C version of this function,\n" |
374 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 375 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 376 | "@lisp\n" |
dd85ce47 | 377 | "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n" |
66c73b76 GH |
378 | "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n" |
379 | "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n" | |
380 | "@end lisp") | |
381 | #define FUNC_NAME s_scm_inet_ntop | |
382 | { | |
383 | int af; | |
384 | #ifdef INET6_ADDRSTRLEN | |
385 | char dst[INET6_ADDRSTRLEN]; | |
386 | #else | |
387 | char dst[46]; | |
388 | #endif | |
7a5fb796 | 389 | const char *result; |
66c73b76 | 390 | |
7cee5b31 | 391 | af = scm_to_int (family); |
66c73b76 GH |
392 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
393 | if (af == AF_INET) | |
7a5fb796 LC |
394 | { |
395 | scm_t_uint32 addr4; | |
396 | ||
397 | addr4 = htonl (SCM_NUM2ULONG (2, address)); | |
398 | result = inet_ntop (af, &addr4, dst, sizeof (dst)); | |
399 | } | |
66c73b76 | 400 | else |
7a5fb796 LC |
401 | { |
402 | char addr6[16]; | |
403 | ||
404 | scm_to_ipv6 ((scm_t_uint8 *) addr6, address); | |
405 | result = inet_ntop (af, &addr6, dst, sizeof (dst)); | |
406 | } | |
407 | ||
408 | if (result == NULL) | |
66c73b76 | 409 | SCM_SYSERROR; |
7a5fb796 | 410 | |
cc95e00a | 411 | return scm_from_locale_string (dst); |
66c73b76 GH |
412 | } |
413 | #undef FUNC_NAME | |
414 | #endif | |
415 | ||
a57a0b1e | 416 | #endif /* HAVE_IPV6 */ |
eefae538 | 417 | |
bc45012d | 418 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 419 | |
439006bf | 420 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 421 | |
a1ec6916 | 422 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 423 | (SCM family, SCM style, SCM proto), |
1e6808ea | 424 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 425 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
426 | "integers. Supported values for @var{family} are\n" |
427 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
428 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
429 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
430 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 431 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 432 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
433 | "A single socket port cannot by used for communication until it\n" |
434 | "has been connected to another socket.") | |
1bbd0b84 | 435 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 436 | { |
370312ae | 437 | int fd; |
370312ae | 438 | |
7cee5b31 MV |
439 | fd = socket (scm_to_int (family), |
440 | scm_to_int (style), | |
441 | scm_to_int (proto)); | |
439006bf GH |
442 | if (fd == -1) |
443 | SCM_SYSERROR; | |
444 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 445 | } |
1bbd0b84 | 446 | #undef FUNC_NAME |
0f2d19dd | 447 | |
0e958795 | 448 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 449 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 450 | (SCM family, SCM style, SCM proto), |
1e6808ea | 451 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 452 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
453 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
454 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 455 | "@var{proto}.") |
1bbd0b84 | 456 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 457 | { |
370312ae GH |
458 | int fam; |
459 | int fd[2]; | |
370312ae | 460 | |
7cee5b31 | 461 | fam = scm_to_int (family); |
370312ae | 462 | |
7cee5b31 | 463 | if (socketpair (fam, scm_to_int (style), scm_to_int (proto), fd) == -1) |
1bbd0b84 | 464 | SCM_SYSERROR; |
370312ae | 465 | |
439006bf | 466 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 467 | } |
1bbd0b84 | 468 | #undef FUNC_NAME |
0e958795 | 469 | #endif |
0f2d19dd | 470 | |
a1ec6916 | 471 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 472 | (SCM sock, SCM level, SCM optname), |
72e3dae1 KR |
473 | "Return an option value from socket port @var{sock}.\n" |
474 | "\n" | |
475 | "@var{level} is an integer specifying a protocol layer, either\n" | |
476 | "@code{SOL_SOCKET} for socket level options, or a protocol\n" | |
477 | "number from the @code{IPPROTO} constants or @code{getprotoent}\n" | |
478 | "(@pxref{Network Databases}).\n" | |
479 | "\n" | |
480 | "@defvar SOL_SOCKET\n" | |
481 | "@defvarx IPPROTO_IP\n" | |
482 | "@defvarx IPPROTO_TCP\n" | |
483 | "@defvarx IPPROTO_UDP\n" | |
484 | "@end defvar\n" | |
485 | "\n" | |
486 | "@var{optname} is an integer specifying an option within the\n" | |
487 | "protocol layer.\n" | |
488 | "\n" | |
489 | "For @code{SOL_SOCKET} level the following @var{optname}s are\n" | |
490 | "defined (when provided by the system). For their meaning see\n" | |
491 | "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n" | |
492 | "Manual}, or @command{man 7 socket}.\n" | |
493 | "\n" | |
494 | "@defvar SO_DEBUG\n" | |
495 | "@defvarx SO_REUSEADDR\n" | |
496 | "@defvarx SO_STYLE\n" | |
497 | "@defvarx SO_TYPE\n" | |
498 | "@defvarx SO_ERROR\n" | |
499 | "@defvarx SO_DONTROUTE\n" | |
500 | "@defvarx SO_BROADCAST\n" | |
501 | "@defvarx SO_SNDBUF\n" | |
502 | "@defvarx SO_RCVBUF\n" | |
503 | "@defvarx SO_KEEPALIVE\n" | |
504 | "@defvarx SO_OOBINLINE\n" | |
505 | "@defvarx SO_NO_CHECK\n" | |
506 | "@defvarx SO_PRIORITY\n" | |
507 | "The value returned is an integer.\n" | |
508 | "@end defvar\n" | |
509 | "\n" | |
510 | "@defvar SO_LINGER\n" | |
511 | "The @var{value} returned is a pair of integers\n" | |
512 | "@code{(@var{ENABLE} . @var{TIMEOUT})}. On old systems without\n" | |
513 | "timeout support (ie.@: without @code{struct linger}), only\n" | |
514 | "@var{ENABLE} has an effect but the value in Guile is always a\n" | |
515 | "pair.\n" | |
516 | "@end defvar") | |
1bbd0b84 | 517 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 518 | { |
370312ae | 519 | int fd; |
439006bf | 520 | /* size of optval is the largest supported option. */ |
370312ae GH |
521 | #ifdef HAVE_STRUCT_LINGER |
522 | char optval[sizeof (struct linger)]; | |
5ee417fc | 523 | socklen_t optlen = sizeof (struct linger); |
370312ae | 524 | #else |
1be6b49c | 525 | char optval[sizeof (size_t)]; |
5ee417fc | 526 | socklen_t optlen = sizeof (size_t); |
370312ae GH |
527 | #endif |
528 | int ilevel; | |
529 | int ioptname; | |
0f2d19dd | 530 | |
78446828 | 531 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 | 532 | SCM_VALIDATE_OPFPORT (1, sock); |
7cee5b31 MV |
533 | ilevel = scm_to_int (level); |
534 | ioptname = scm_to_int (optname); | |
0f2d19dd | 535 | |
ee149d03 | 536 | fd = SCM_FPORT_FDES (sock); |
370312ae | 537 | if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1) |
1bbd0b84 | 538 | SCM_SYSERROR; |
1cc91f1b | 539 | |
439006bf | 540 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 541 | { |
439006bf GH |
542 | #ifdef SO_LINGER |
543 | if (ioptname == SO_LINGER) | |
544 | { | |
370312ae | 545 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
546 | struct linger *ling = (struct linger *) optval; |
547 | ||
b9bd8526 MV |
548 | return scm_cons (scm_from_long (ling->l_onoff), |
549 | scm_from_long (ling->l_linger)); | |
370312ae | 550 | #else |
b9bd8526 | 551 | return scm_cons (scm_from_long (*(int *) optval), |
7cee5b31 | 552 | scm_from_int (0)); |
0f2d19dd | 553 | #endif |
439006bf GH |
554 | } |
555 | else | |
370312ae | 556 | #endif |
439006bf | 557 | if (0 |
370312ae | 558 | #ifdef SO_SNDBUF |
439006bf | 559 | || ioptname == SO_SNDBUF |
370312ae GH |
560 | #endif |
561 | #ifdef SO_RCVBUF | |
439006bf | 562 | || ioptname == SO_RCVBUF |
370312ae | 563 | #endif |
439006bf GH |
564 | ) |
565 | { | |
b9bd8526 | 566 | return scm_from_size_t (*(size_t *) optval); |
439006bf GH |
567 | } |
568 | } | |
b9bd8526 | 569 | return scm_from_int (*(int *) optval); |
0f2d19dd | 570 | } |
1bbd0b84 | 571 | #undef FUNC_NAME |
0f2d19dd | 572 | |
a1ec6916 | 573 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 574 | (SCM sock, SCM level, SCM optname, SCM value), |
72e3dae1 KR |
575 | "Set an option on socket port @var{sock}. The return value is\n" |
576 | "unspecified.\n" | |
577 | "\n" | |
578 | "@var{level} is an integer specifying a protocol layer, either\n" | |
579 | "@code{SOL_SOCKET} for socket level options, or a protocol\n" | |
580 | "number from the @code{IPPROTO} constants or @code{getprotoent}\n" | |
581 | "(@pxref{Network Databases}).\n" | |
582 | "\n" | |
583 | "@defvar SOL_SOCKET\n" | |
584 | "@defvarx IPPROTO_IP\n" | |
585 | "@defvarx IPPROTO_TCP\n" | |
586 | "@defvarx IPPROTO_UDP\n" | |
587 | "@end defvar\n" | |
588 | "\n" | |
589 | "@var{optname} is an integer specifying an option within the\n" | |
590 | "protocol layer.\n" | |
591 | "\n" | |
592 | "For @code{SOL_SOCKET} level the following @var{optname}s are\n" | |
593 | "defined (when provided by the system). For their meaning see\n" | |
594 | "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n" | |
595 | "Manual}, or @command{man 7 socket}.\n" | |
596 | "\n" | |
597 | "@defvar SO_DEBUG\n" | |
598 | "@defvarx SO_REUSEADDR\n" | |
599 | "@defvarx SO_STYLE\n" | |
600 | "@defvarx SO_TYPE\n" | |
601 | "@defvarx SO_ERROR\n" | |
602 | "@defvarx SO_DONTROUTE\n" | |
603 | "@defvarx SO_BROADCAST\n" | |
604 | "@defvarx SO_SNDBUF\n" | |
605 | "@defvarx SO_RCVBUF\n" | |
606 | "@defvarx SO_KEEPALIVE\n" | |
607 | "@defvarx SO_OOBINLINE\n" | |
608 | "@defvarx SO_NO_CHECK\n" | |
609 | "@defvarx SO_PRIORITY\n" | |
610 | "@var{value} is an integer.\n" | |
611 | "@end defvar\n" | |
612 | "\n" | |
613 | "@defvar SO_LINGER\n" | |
614 | "@var{value} is a pair of integers @code{(@var{ENABLE}\n" | |
615 | ". @var{TIMEOUT})}. On old systems without timeout support\n" | |
616 | "(ie.@: without @code{struct linger}), only @var{ENABLE} has an\n" | |
617 | "effect but the value in Guile is always a pair.\n" | |
618 | "@end defvar\n" | |
619 | "\n" | |
620 | "@c Note that we refer only to ``man ip'' here. On GNU/Linux it's\n" | |
621 | "@c ``man 7 ip'' but on NetBSD it's ``man 4 ip''.\n" | |
622 | "@c \n" | |
623 | "For IP level (@code{IPPROTO_IP}) the following @var{optname}s\n" | |
624 | "are defined (when provided by the system). See @command{man\n" | |
625 | "ip} for what they mean.\n" | |
626 | "\n" | |
627 | "@defvar IP_ADD_MEMBERSHIP\n" | |
628 | "@defvarx IP_DROP_MEMBERSHIP\n" | |
629 | "These can be used only with @code{setsockopt}, not\n" | |
630 | "@code{getsockopt}. @var{value} is a pair\n" | |
631 | "@code{(@var{MULTIADDR} . @var{INTERFACEADDR})} of IPv4\n" | |
632 | "addresses (@pxref{Network Address Conversion}).\n" | |
633 | "@var{MULTIADDR} is a multicast address to be added to or\n" | |
634 | "dropped from the interface @var{INTERFACEADDR}.\n" | |
635 | "@var{INTERFACEADDR} can be @code{INADDR_ANY} to have the system\n" | |
636 | "select the interface. @var{INTERFACEADDR} can also be an\n" | |
f1b7209b KR |
637 | "interface index number, on systems supporting that.\n" |
638 | "@end defvar") | |
1bbd0b84 | 639 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 640 | { |
370312ae | 641 | int fd; |
1c80707c MV |
642 | |
643 | int opt_int; | |
370312ae | 644 | #ifdef HAVE_STRUCT_LINGER |
1c80707c | 645 | struct linger opt_linger; |
370312ae | 646 | #endif |
ecc9f40f MV |
647 | |
648 | #if HAVE_STRUCT_IP_MREQ | |
1c80707c | 649 | struct ip_mreq opt_mreq; |
ecc9f40f | 650 | #endif |
1c80707c MV |
651 | |
652 | const void *optval = NULL; | |
653 | socklen_t optlen = 0; | |
654 | ||
370312ae | 655 | int ilevel, ioptname; |
439006bf | 656 | |
78446828 | 657 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
658 | |
659 | SCM_VALIDATE_OPFPORT (1, sock); | |
7cee5b31 MV |
660 | ilevel = scm_to_int (level); |
661 | ioptname = scm_to_int (optname); | |
439006bf | 662 | |
ee149d03 | 663 | fd = SCM_FPORT_FDES (sock); |
1c80707c | 664 | |
439006bf | 665 | if (ilevel == SOL_SOCKET) |
370312ae | 666 | { |
439006bf GH |
667 | #ifdef SO_LINGER |
668 | if (ioptname == SO_LINGER) | |
669 | { | |
370312ae | 670 | #ifdef HAVE_STRUCT_LINGER |
d2e53ed6 | 671 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); |
1c80707c MV |
672 | opt_linger.l_onoff = scm_to_int (SCM_CAR (value)); |
673 | opt_linger.l_linger = scm_to_int (SCM_CDR (value)); | |
674 | optlen = sizeof (struct linger); | |
675 | optval = &opt_linger; | |
370312ae | 676 | #else |
d2e53ed6 | 677 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); |
1c80707c | 678 | opt_int = scm_to_int (SCM_CAR (value)); |
439006bf | 679 | /* timeout is ignored, but may as well validate it. */ |
1c80707c MV |
680 | scm_to_int (SCM_CDR (value)); |
681 | optlen = sizeof (int); | |
682 | optval = &opt_int; | |
439006bf GH |
683 | #endif |
684 | } | |
685 | else | |
686 | #endif | |
687 | if (0 | |
370312ae | 688 | #ifdef SO_SNDBUF |
439006bf | 689 | || ioptname == SO_SNDBUF |
370312ae GH |
690 | #endif |
691 | #ifdef SO_RCVBUF | |
439006bf | 692 | || ioptname == SO_RCVBUF |
370312ae | 693 | #endif |
439006bf GH |
694 | ) |
695 | { | |
1c80707c MV |
696 | opt_int = scm_to_int (value); |
697 | optlen = sizeof (size_t); | |
698 | optval = &opt_int; | |
439006bf GH |
699 | } |
700 | } | |
1c80707c | 701 | |
ecc9f40f | 702 | #if HAVE_STRUCT_IP_MREQ |
1c80707c MV |
703 | if (ilevel == IPPROTO_IP && |
704 | (ioptname == IP_ADD_MEMBERSHIP || ioptname == IP_DROP_MEMBERSHIP)) | |
0f2d19dd | 705 | { |
1c80707c MV |
706 | /* Fourth argument must be a pair of addresses. */ |
707 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); | |
708 | opt_mreq.imr_multiaddr.s_addr = htonl (scm_to_ulong (SCM_CAR (value))); | |
709 | opt_mreq.imr_interface.s_addr = htonl (scm_to_ulong (SCM_CDR (value))); | |
710 | optlen = sizeof (opt_mreq); | |
711 | optval = &opt_mreq; | |
712 | } | |
ecc9f40f | 713 | #endif |
439006bf | 714 | |
1c80707c MV |
715 | if (optval == NULL) |
716 | { | |
717 | /* Most options take an int. */ | |
718 | opt_int = scm_to_int (value); | |
719 | optlen = sizeof (int); | |
720 | optval = &opt_int; | |
0f2d19dd | 721 | } |
1c80707c MV |
722 | |
723 | if (setsockopt (fd, ilevel, ioptname, optval, optlen) == -1) | |
1bbd0b84 | 724 | SCM_SYSERROR; |
370312ae | 725 | return SCM_UNSPECIFIED; |
0f2d19dd | 726 | } |
1bbd0b84 | 727 | #undef FUNC_NAME |
0f2d19dd | 728 | |
a1ec6916 | 729 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 730 | (SCM sock, SCM how), |
b380b885 | 731 | "Sockets can be closed simply by using @code{close-port}. The\n" |
bb2c02f2 | 732 | "@code{shutdown} procedure allows reception or transmission on a\n" |
b380b885 MD |
733 | "connection to be shut down individually, according to the parameter\n" |
734 | "@var{how}:\n\n" | |
735 | "@table @asis\n" | |
736 | "@item 0\n" | |
737 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
738 | "@item 1\n" | |
739 | "Stop trying to transmit data from this socket. Discard any\n" | |
740 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
741 | "data already sent; don't retransmit it if it is lost.\n" | |
742 | "@item 2\n" | |
743 | "Stop both reception and transmission.\n" | |
744 | "@end table\n\n" | |
745 | "The return value is unspecified.") | |
1bbd0b84 | 746 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 747 | { |
370312ae | 748 | int fd; |
78446828 | 749 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 750 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 751 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 752 | if (shutdown (fd, scm_to_signed_integer (how, 0, 2)) == -1) |
1bbd0b84 | 753 | SCM_SYSERROR; |
370312ae GH |
754 | return SCM_UNSPECIFIED; |
755 | } | |
1bbd0b84 | 756 | #undef FUNC_NAME |
0f2d19dd | 757 | |
370312ae GH |
758 | /* convert fam/address/args into a sockaddr of the appropriate type. |
759 | args is modified by removing the arguments actually used. | |
760 | which_arg and proc are used when reporting errors: | |
761 | which_arg is the position of address in the original argument list. | |
762 | proc is the name of the original procedure. | |
763 | size returns the size of the structure allocated. */ | |
764 | ||
bc732342 | 765 | static struct sockaddr * |
439006bf | 766 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
9c0129ac | 767 | const char *proc, size_t *size) |
3453619b | 768 | #define FUNC_NAME proc |
370312ae GH |
769 | { |
770 | switch (fam) | |
0f2d19dd | 771 | { |
370312ae GH |
772 | case AF_INET: |
773 | { | |
370312ae | 774 | struct sockaddr_in *soka; |
3453619b GH |
775 | unsigned long addr; |
776 | int port; | |
370312ae | 777 | |
3453619b GH |
778 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
779 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
7cee5b31 | 780 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 781 | *args = SCM_CDR (*args); |
67329a9e | 782 | soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in)); |
9c0129ac | 783 | |
93b047f4 | 784 | #if HAVE_STRUCT_SOCKADDR_SIN_LEN |
3453619b GH |
785 | soka->sin_len = sizeof (struct sockaddr_in); |
786 | #endif | |
370312ae | 787 | soka->sin_family = AF_INET; |
3453619b GH |
788 | soka->sin_addr.s_addr = htonl (addr); |
789 | soka->sin_port = htons (port); | |
370312ae GH |
790 | *size = sizeof (struct sockaddr_in); |
791 | return (struct sockaddr *) soka; | |
792 | } | |
a57a0b1e | 793 | #ifdef HAVE_IPV6 |
3453619b GH |
794 | case AF_INET6: |
795 | { | |
796 | /* see RFC2553. */ | |
797 | int port; | |
798 | struct sockaddr_in6 *soka; | |
799 | unsigned long flowinfo = 0; | |
800 | unsigned long scope_id = 0; | |
801 | ||
3453619b | 802 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
7cee5b31 | 803 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 804 | *args = SCM_CDR (*args); |
d2e53ed6 | 805 | if (scm_is_pair (*args)) |
3453619b GH |
806 | { |
807 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
808 | *args = SCM_CDR (*args); | |
d2e53ed6 | 809 | if (scm_is_pair (*args)) |
3453619b GH |
810 | { |
811 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
812 | scope_id); | |
813 | *args = SCM_CDR (*args); | |
814 | } | |
815 | } | |
67329a9e | 816 | soka = (struct sockaddr_in6 *) scm_malloc (sizeof (struct sockaddr_in6)); |
9c0129ac | 817 | |
93b047f4 | 818 | #if HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN |
3453619b GH |
819 | soka->sin6_len = sizeof (struct sockaddr_in6); |
820 | #endif | |
821 | soka->sin6_family = AF_INET6; | |
7cee5b31 | 822 | scm_to_ipv6 (soka->sin6_addr.s6_addr, address); |
5a525b84 | 823 | soka->sin6_port = htons (port); |
3453619b | 824 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 825 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 826 | soka->sin6_scope_id = scope_id; |
5a525b84 | 827 | #endif |
3453619b GH |
828 | *size = sizeof (struct sockaddr_in6); |
829 | return (struct sockaddr *) soka; | |
830 | } | |
831 | #endif | |
1ba8c23a | 832 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
833 | case AF_UNIX: |
834 | { | |
835 | struct sockaddr_un *soka; | |
439006bf | 836 | int addr_size; |
7f9994d9 MV |
837 | char *c_address; |
838 | ||
661ae7ab | 839 | scm_dynwind_begin (0); |
7f9994d9 MV |
840 | |
841 | c_address = scm_to_locale_string (address); | |
661ae7ab | 842 | scm_dynwind_free (c_address); |
370312ae | 843 | |
439006bf GH |
844 | /* the static buffer size in sockaddr_un seems to be arbitrary |
845 | and not necessarily a hard limit. e.g., the glibc manual | |
846 | suggests it may be possible to declare it size 0. let's | |
847 | ignore it. if the O/S doesn't like the size it will cause | |
848 | connect/bind etc., to fail. sun_path is always the last | |
849 | member of the structure. */ | |
850 | addr_size = sizeof (struct sockaddr_un) | |
7f9994d9 | 851 | + max (0, strlen (c_address) + 1 - (sizeof soka->sun_path)); |
67329a9e | 852 | soka = (struct sockaddr_un *) scm_malloc (addr_size); |
439006bf GH |
853 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ |
854 | soka->sun_family = AF_UNIX; | |
7f9994d9 | 855 | strcpy (soka->sun_path, c_address); |
439006bf | 856 | *size = SUN_LEN (soka); |
7f9994d9 | 857 | |
661ae7ab | 858 | scm_dynwind_end (); |
370312ae GH |
859 | return (struct sockaddr *) soka; |
860 | } | |
0e958795 | 861 | #endif |
370312ae | 862 | default: |
e11e83f3 | 863 | scm_out_of_range (proc, scm_from_int (fam)); |
0f2d19dd | 864 | } |
0f2d19dd | 865 | } |
3453619b | 866 | #undef FUNC_NAME |
9c0129ac KR |
867 | |
868 | SCM_DEFINE (scm_connect, "connect", 2, 1, 1, | |
869 | (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args), | |
eefae538 | 870 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
871 | "family to the address\n" |
872 | "specified by @var{address} and possibly @var{args}.\n" | |
873 | "The format required for @var{address}\n" | |
874 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 875 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 876 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
877 | "filename where the socket is to be created.\n\n" |
878 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
879 | "@var{address} must be an integer IPv4 host address and\n" |
880 | "@var{args} must be a single integer port number.\n\n" | |
881 | "For a socket of family @code{AF_INET6},\n" | |
882 | "@var{address} must be an integer IPv6 host address and\n" | |
883 | "@var{args} may be up to three integers:\n" | |
884 | "port [flowinfo] [scope_id],\n" | |
885 | "where flowinfo and scope_id default to zero.\n\n" | |
9c0129ac KR |
886 | "Alternatively, the second argument can be a socket address object " |
887 | "as returned by @code{make-socket-address}, in which case the " | |
888 | "no additional arguments should be passed.\n\n" | |
b380b885 | 889 | "The return value is unspecified.") |
1bbd0b84 | 890 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 891 | { |
370312ae GH |
892 | int fd; |
893 | struct sockaddr *soka; | |
9c0129ac | 894 | size_t size; |
0f2d19dd | 895 | |
78446828 | 896 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 897 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 898 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
899 | |
900 | if (address == SCM_UNDEFINED) | |
901 | /* No third argument was passed to FAM_OR_SOCKADDR must actually be a | |
902 | `socket address' object. */ | |
903 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
904 | else | |
905 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
906 | &args, 3, FUNC_NAME, &size); | |
907 | ||
370312ae | 908 | if (connect (fd, soka, size) == -1) |
439006bf GH |
909 | { |
910 | int save_errno = errno; | |
9c0129ac | 911 | |
439006bf GH |
912 | free (soka); |
913 | errno = save_errno; | |
914 | SCM_SYSERROR; | |
915 | } | |
916 | free (soka); | |
370312ae | 917 | return SCM_UNSPECIFIED; |
0f2d19dd | 918 | } |
1bbd0b84 | 919 | #undef FUNC_NAME |
0f2d19dd | 920 | |
9c0129ac KR |
921 | SCM_DEFINE (scm_bind, "bind", 2, 1, 1, |
922 | (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args), | |
eefae538 | 923 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
924 | "Generally this only needs to be done for server sockets,\n" |
925 | "so they know where to look for incoming connections. A socket\n" | |
926 | "without an address will be assigned one automatically when it\n" | |
927 | "starts communicating.\n\n" | |
eefae538 GH |
928 | "The format of @var{address} and @var{args} depends\n" |
929 | "on the family of the socket.\n\n" | |
b380b885 | 930 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
931 | "is specified and must be a string with the filename where\n" |
932 | "the socket is to be created.\n\n" | |
933 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
934 | "must be an integer IPv4 address and @var{args}\n" | |
935 | "must be a single integer port number.\n\n" | |
936 | "The values of the following variables can also be used for\n" | |
937 | "@var{address}:\n\n" | |
b380b885 MD |
938 | "@defvar INADDR_ANY\n" |
939 | "Allow connections from any address.\n" | |
940 | "@end defvar\n\n" | |
941 | "@defvar INADDR_LOOPBACK\n" | |
942 | "The address of the local host using the loopback device.\n" | |
943 | "@end defvar\n\n" | |
944 | "@defvar INADDR_BROADCAST\n" | |
945 | "The broadcast address on the local network.\n" | |
946 | "@end defvar\n\n" | |
947 | "@defvar INADDR_NONE\n" | |
948 | "No address.\n" | |
949 | "@end defvar\n\n" | |
eefae538 GH |
950 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
951 | "must be an integer IPv6 address and @var{args}\n" | |
952 | "may be up to three integers:\n" | |
953 | "port [flowinfo] [scope_id],\n" | |
954 | "where flowinfo and scope_id default to zero.\n\n" | |
9c0129ac KR |
955 | "Alternatively, the second argument can be a socket address object " |
956 | "as returned by @code{make-socket-address}, in which case the " | |
957 | "no additional arguments should be passed.\n\n" | |
b380b885 | 958 | "The return value is unspecified.") |
1bbd0b84 | 959 | #define FUNC_NAME s_scm_bind |
370312ae | 960 | { |
370312ae | 961 | struct sockaddr *soka; |
9c0129ac | 962 | size_t size; |
370312ae GH |
963 | int fd; |
964 | ||
78446828 | 965 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 966 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 967 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
968 | |
969 | if (address == SCM_UNDEFINED) | |
970 | /* No third argument was passed to FAM_OR_SOCKADDR must actually be a | |
971 | `socket address' object. */ | |
972 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
973 | else | |
974 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
975 | &args, 3, FUNC_NAME, &size); | |
976 | ||
977 | ||
439006bf GH |
978 | if (bind (fd, soka, size) == -1) |
979 | { | |
980 | int save_errno = errno; | |
9c0129ac | 981 | |
439006bf GH |
982 | free (soka); |
983 | errno = save_errno; | |
1bbd0b84 | 984 | SCM_SYSERROR; |
439006bf GH |
985 | } |
986 | free (soka); | |
370312ae GH |
987 | return SCM_UNSPECIFIED; |
988 | } | |
1bbd0b84 | 989 | #undef FUNC_NAME |
370312ae | 990 | |
a1ec6916 | 991 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 992 | (SCM sock, SCM backlog), |
eefae538 | 993 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
994 | "requests. @var{backlog} is an integer specifying\n" |
995 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
996 | "If the queue fills, new clients will fail to connect until\n" |
997 | "the server calls @code{accept} to accept a connection from\n" | |
998 | "the queue.\n\n" | |
b380b885 | 999 | "The return value is unspecified.") |
1bbd0b84 | 1000 | #define FUNC_NAME s_scm_listen |
370312ae GH |
1001 | { |
1002 | int fd; | |
78446828 | 1003 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1004 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1005 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 1006 | if (listen (fd, scm_to_int (backlog)) == -1) |
1bbd0b84 | 1007 | SCM_SYSERROR; |
370312ae GH |
1008 | return SCM_UNSPECIFIED; |
1009 | } | |
1bbd0b84 | 1010 | #undef FUNC_NAME |
370312ae GH |
1011 | |
1012 | /* Put the components of a sockaddr into a new SCM vector. */ | |
9c0129ac KR |
1013 | static SCM_C_INLINE_KEYWORD SCM |
1014 | _scm_from_sockaddr (const struct sockaddr *address, unsigned addr_size, | |
aca23b65 | 1015 | const char *proc) |
0f2d19dd | 1016 | { |
370312ae | 1017 | short int fam = address->sa_family; |
1d1559ce | 1018 | SCM result =SCM_EOL; |
34d19ef6 | 1019 | |
439006bf | 1020 | |
5a525b84 | 1021 | switch (fam) |
0f2d19dd | 1022 | { |
5a525b84 GH |
1023 | case AF_INET: |
1024 | { | |
e1368a8d | 1025 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 1026 | |
1d1559ce | 1027 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
34d19ef6 | 1028 | |
4057a3e0 MV |
1029 | SCM_SIMPLE_VECTOR_SET(result, 0, |
1030 | scm_from_short (fam)); | |
1031 | SCM_SIMPLE_VECTOR_SET(result, 1, | |
1032 | scm_from_ulong (ntohl (nad->sin_addr.s_addr))); | |
1033 | SCM_SIMPLE_VECTOR_SET(result, 2, | |
1034 | scm_from_ushort (ntohs (nad->sin_port))); | |
5a525b84 GH |
1035 | } |
1036 | break; | |
a57a0b1e | 1037 | #ifdef HAVE_IPV6 |
5a525b84 GH |
1038 | case AF_INET6: |
1039 | { | |
e1368a8d | 1040 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 | 1041 | |
1d1559ce | 1042 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); |
4057a3e0 MV |
1043 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam)); |
1044 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_ipv6 (nad->sin6_addr.s6_addr)); | |
1045 | SCM_SIMPLE_VECTOR_SET(result, 2, scm_from_ushort (ntohs (nad->sin6_port))); | |
1046 | SCM_SIMPLE_VECTOR_SET(result, 3, scm_from_uint32 (nad->sin6_flowinfo)); | |
5a525b84 | 1047 | #ifdef HAVE_SIN6_SCOPE_ID |
4057a3e0 | 1048 | SCM_SIMPLE_VECTOR_SET(result, 4, scm_from_ulong (nad->sin6_scope_id)); |
5a525b84 | 1049 | #else |
4057a3e0 | 1050 | SCM_SIMPLE_VECTOR_SET(result, 4, SCM_INUM0); |
0e958795 | 1051 | #endif |
5a525b84 GH |
1052 | } |
1053 | break; | |
1054 | #endif | |
1055 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
1056 | case AF_UNIX: | |
1057 | { | |
e1368a8d | 1058 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 1059 | |
1d1559ce | 1060 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
34d19ef6 | 1061 | |
4057a3e0 | 1062 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam)); |
aca23b65 MV |
1063 | /* When addr_size is not enough to cover sun_path, do not try |
1064 | to access it. */ | |
1065 | if (addr_size <= offsetof (struct sockaddr_un, sun_path)) | |
4057a3e0 | 1066 | SCM_SIMPLE_VECTOR_SET(result, 1, SCM_BOOL_F); |
aca23b65 | 1067 | else |
4057a3e0 | 1068 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_locale_string (nad->sun_path)); |
5a525b84 GH |
1069 | } |
1070 | break; | |
1071 | #endif | |
1072 | default: | |
9c0129ac KR |
1073 | result = SCM_UNSPECIFIED; |
1074 | scm_misc_error (proc, "unrecognised address family: ~A", | |
e11e83f3 | 1075 | scm_list_1 (scm_from_int (fam))); |
9c0129ac | 1076 | |
0f2d19dd | 1077 | } |
1d1559ce | 1078 | return result; |
370312ae GH |
1079 | } |
1080 | ||
9c0129ac KR |
1081 | /* The publicly-visible function. Return a Scheme object representing |
1082 | ADDRESS, an address of ADDR_SIZE bytes. */ | |
1083 | SCM | |
1084 | scm_from_sockaddr (const struct sockaddr *address, unsigned addr_size) | |
1085 | { | |
1086 | return (_scm_from_sockaddr (address, addr_size, "scm_from_sockaddr")); | |
1087 | } | |
1088 | ||
1089 | /* Convert ADDRESS, an address object returned by either | |
1090 | `scm_from_sockaddr ()' or `scm_make_socket_address ()', into its C | |
1091 | representation. On success, a non-NULL pointer is returned and | |
1092 | ADDRESS_SIZE is updated to the actual size (in bytes) of the returned | |
1093 | address. The result must eventually be freed using `free ()'. */ | |
1094 | struct sockaddr * | |
1095 | scm_to_sockaddr (SCM address, size_t *address_size) | |
1096 | #define FUNC_NAME "scm_to_sockaddr" | |
1097 | { | |
1098 | short int family; | |
1099 | struct sockaddr *c_address = NULL; | |
1100 | ||
1101 | SCM_VALIDATE_VECTOR (1, address); | |
1102 | ||
1103 | *address_size = 0; | |
1104 | family = scm_to_short (SCM_SIMPLE_VECTOR_REF (address, 0)); | |
1105 | ||
1106 | switch (family) | |
1107 | { | |
1108 | case AF_INET: | |
1109 | { | |
1110 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 3) | |
1111 | scm_misc_error (FUNC_NAME, | |
1112 | "invalid inet address representation: ~A", | |
1113 | scm_list_1 (address)); | |
1114 | else | |
1115 | { | |
1116 | struct sockaddr_in c_inet; | |
1117 | ||
1118 | c_inet.sin_addr.s_addr = | |
1119 | htonl (scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 1))); | |
1120 | c_inet.sin_port = | |
1121 | htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2))); | |
1122 | c_inet.sin_family = AF_INET; | |
1123 | ||
1124 | *address_size = sizeof (c_inet); | |
1125 | c_address = scm_malloc (sizeof (c_inet)); | |
1126 | memcpy (c_address, &c_inet, sizeof (c_inet)); | |
1127 | } | |
1128 | ||
1129 | break; | |
1130 | } | |
1131 | ||
1132 | #ifdef HAVE_IPV6 | |
1133 | case AF_INET6: | |
1134 | { | |
1135 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 5) | |
1136 | scm_misc_error (FUNC_NAME, "invalid inet6 address representation: ~A", | |
1137 | scm_list_1 (address)); | |
1138 | else | |
1139 | { | |
1140 | struct sockaddr_in6 c_inet6; | |
1141 | ||
1142 | scm_to_ipv6 (c_inet6.sin6_addr.s6_addr, address); | |
1143 | c_inet6.sin6_port = | |
1144 | htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2))); | |
1145 | c_inet6.sin6_flowinfo = | |
1146 | scm_to_uint32 (SCM_SIMPLE_VECTOR_REF (address, 3)); | |
1147 | #ifdef HAVE_SIN6_SCOPE_ID | |
1148 | c_inet6.sin6_scope_id = | |
1149 | scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 4)); | |
1150 | #endif | |
1151 | ||
1152 | c_inet6.sin6_family = AF_INET6; | |
1153 | ||
1154 | *address_size = sizeof (c_inet6); | |
1155 | c_address = scm_malloc (sizeof (c_inet6)); | |
1156 | memcpy (c_address, &c_inet6, sizeof (c_inet6)); | |
1157 | } | |
1158 | ||
1159 | break; | |
1160 | } | |
1161 | #endif | |
1162 | ||
1163 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
1164 | case AF_UNIX: | |
1165 | { | |
1166 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 2) | |
1167 | scm_misc_error (FUNC_NAME, "invalid unix address representation: ~A", | |
1168 | scm_list_1 (address)); | |
1169 | else | |
1170 | { | |
1171 | SCM path; | |
1172 | size_t path_len = 0; | |
1173 | ||
1174 | path = SCM_SIMPLE_VECTOR_REF (address, 1); | |
1175 | if ((!scm_is_string (path)) && (path != SCM_BOOL_F)) | |
1176 | scm_misc_error (FUNC_NAME, "invalid unix address " | |
1177 | "path: ~A", scm_list_1 (path)); | |
1178 | else | |
1179 | { | |
1180 | struct sockaddr_un c_unix; | |
1181 | ||
1182 | if (path == SCM_BOOL_F) | |
1183 | path_len = 0; | |
1184 | else | |
1185 | path_len = scm_c_string_length (path); | |
1186 | ||
1187 | #ifdef UNIX_PATH_MAX | |
1188 | if (path_len >= UNIX_PATH_MAX) | |
1189 | #else | |
1190 | /* We can hope that this limit will eventually vanish, at least on GNU. | |
1191 | However, currently, while glibc doesn't define `UNIX_PATH_MAX', it | |
1192 | documents it has being limited to 108 bytes. */ | |
1193 | if (path_len >= sizeof (c_unix.sun_path)) | |
1194 | #endif | |
1195 | scm_misc_error (FUNC_NAME, "unix address path " | |
1196 | "too long: ~A", scm_list_1 (path)); | |
1197 | else | |
1198 | { | |
1199 | if (path_len) | |
1200 | { | |
1201 | scm_to_locale_stringbuf (path, c_unix.sun_path, | |
1202 | #ifdef UNIX_PATH_MAX | |
1203 | UNIX_PATH_MAX); | |
1204 | #else | |
1205 | sizeof (c_unix.sun_path)); | |
1206 | #endif | |
1207 | c_unix.sun_path[path_len] = '\0'; | |
1208 | ||
1209 | /* Sanity check. */ | |
1210 | if (strlen (c_unix.sun_path) != path_len) | |
1211 | scm_misc_error (FUNC_NAME, "unix address path " | |
1212 | "contains nul characters: ~A", | |
1213 | scm_list_1 (path)); | |
1214 | } | |
1215 | else | |
1216 | c_unix.sun_path[0] = '\0'; | |
1217 | ||
1218 | c_unix.sun_family = AF_UNIX; | |
1219 | ||
1220 | *address_size = SUN_LEN (&c_unix); | |
1221 | c_address = scm_malloc (sizeof (c_unix)); | |
1222 | memcpy (c_address, &c_unix, sizeof (c_unix)); | |
1223 | } | |
1224 | } | |
1225 | } | |
1226 | ||
1227 | break; | |
1228 | } | |
1229 | #endif | |
1230 | ||
1231 | default: | |
1232 | scm_misc_error (FUNC_NAME, "unrecognised address family: ~A", | |
1233 | scm_list_1 (scm_from_ushort (family))); | |
1234 | } | |
1235 | ||
1236 | return c_address; | |
1237 | } | |
1238 | #undef FUNC_NAME | |
1239 | ||
1240 | ||
1241 | /* Return a newly-allocated `sockaddr' structure that reflects ADDRESS, being | |
1242 | an address of family FAMILY, with the family-specific parameters ARGS (see | |
1243 | the description of `connect' for details). The returned structure may be | |
1244 | freed using `free ()'. */ | |
1245 | struct sockaddr * | |
1246 | scm_c_make_socket_address (SCM family, SCM address, SCM args, | |
1247 | size_t *address_size) | |
1248 | { | |
9c0129ac KR |
1249 | struct sockaddr *soka; |
1250 | ||
1251 | soka = scm_fill_sockaddr (scm_to_ushort (family), address, &args, 1, | |
d7c6575f | 1252 | "scm_c_make_socket_address", address_size); |
9c0129ac KR |
1253 | |
1254 | return soka; | |
1255 | } | |
1256 | ||
1257 | SCM_DEFINE (scm_make_socket_address, "make-socket-address", 2, 0, 1, | |
1258 | (SCM family, SCM address, SCM args), | |
1259 | "Return a Scheme address object that reflects @var{address}, " | |
1260 | "being an address of family @var{family}, with the " | |
1261 | "family-specific parameters @var{args} (see the description of " | |
1262 | "@code{connect} for details).") | |
1263 | #define FUNC_NAME s_scm_make_socket_address | |
1264 | { | |
1265 | struct sockaddr *c_address; | |
1266 | size_t c_address_size; | |
1267 | ||
1268 | c_address = scm_c_make_socket_address (family, address, args, | |
1269 | &c_address_size); | |
1270 | if (!c_address) | |
1271 | return SCM_BOOL_F; | |
1272 | ||
1273 | return (scm_from_sockaddr (c_address, c_address_size)); | |
1274 | } | |
1275 | #undef FUNC_NAME | |
1276 | ||
1277 | \f | |
439006bf GH |
1278 | /* calculate the size of a buffer large enough to hold any supported |
1279 | sockaddr type. if the buffer isn't large enough, certain system | |
1280 | calls will return a truncated address. */ | |
370312ae | 1281 | |
439006bf GH |
1282 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) |
1283 | #define MAX_SIZE_UN sizeof (struct sockaddr_un) | |
0e958795 | 1284 | #else |
439006bf | 1285 | #define MAX_SIZE_UN 0 |
0e958795 | 1286 | #endif |
439006bf | 1287 | |
a57a0b1e | 1288 | #if defined (HAVE_IPV6) |
5a525b84 GH |
1289 | #define MAX_SIZE_IN6 sizeof (struct sockaddr_in6) |
1290 | #else | |
1291 | #define MAX_SIZE_IN6 0 | |
1292 | #endif | |
1293 | ||
1294 | #define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\ | |
1295 | MAX_SIZE_UN) | |
0f2d19dd | 1296 | |
a1ec6916 | 1297 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 1298 | (SCM sock), |
eefae538 GH |
1299 | "Accept a connection on a bound, listening socket.\n" |
1300 | "If there\n" | |
1301 | "are no pending connections in the queue, wait until\n" | |
1302 | "one is available unless the non-blocking option has been\n" | |
1303 | "set on the socket.\n\n" | |
b380b885 | 1304 | "The return value is a\n" |
eefae538 GH |
1305 | "pair in which the @emph{car} is a new socket port for the\n" |
1306 | "connection and\n" | |
1307 | "the @emph{cdr} is an object with address information about the\n" | |
1308 | "client which initiated the connection.\n\n" | |
1309 | "@var{sock} does not become part of the\n" | |
b380b885 | 1310 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1311 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1312 | { |
370312ae GH |
1313 | int fd; |
1314 | int newfd; | |
1315 | SCM address; | |
1316 | SCM newsock; | |
5ee417fc | 1317 | socklen_t addr_size = MAX_ADDR_SIZE; |
439006bf GH |
1318 | char max_addr[MAX_ADDR_SIZE]; |
1319 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1320 | |
78446828 | 1321 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1322 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1323 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
1324 | newfd = accept (fd, addr, &addr_size); |
1325 | if (newfd == -1) | |
1326 | SCM_SYSERROR; | |
1327 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
9c0129ac | 1328 | address = _scm_from_sockaddr (addr, addr_size, FUNC_NAME); |
370312ae | 1329 | return scm_cons (newsock, address); |
0f2d19dd | 1330 | } |
1bbd0b84 | 1331 | #undef FUNC_NAME |
0f2d19dd | 1332 | |
a1ec6916 | 1333 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1334 | (SCM sock), |
eefae538 | 1335 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1336 | "object returned by @code{accept}. On many systems the address\n" |
1337 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1338 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1339 | { |
370312ae | 1340 | int fd; |
5ee417fc | 1341 | socklen_t addr_size = MAX_ADDR_SIZE; |
439006bf GH |
1342 | char max_addr[MAX_ADDR_SIZE]; |
1343 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1344 | ||
78446828 | 1345 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1346 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1347 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1348 | if (getsockname (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1349 | SCM_SYSERROR; |
9c0129ac | 1350 | return _scm_from_sockaddr (addr, addr_size, FUNC_NAME); |
0f2d19dd | 1351 | } |
1bbd0b84 | 1352 | #undef FUNC_NAME |
0f2d19dd | 1353 | |
a1ec6916 | 1354 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1355 | (SCM sock), |
eefae538 | 1356 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1357 | "is connected to, in the same form as the object returned by\n" |
1358 | "@code{accept}. On many systems the address of a socket in the\n" | |
1359 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1360 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1361 | { |
370312ae | 1362 | int fd; |
5ee417fc | 1363 | socklen_t addr_size = MAX_ADDR_SIZE; |
439006bf GH |
1364 | char max_addr[MAX_ADDR_SIZE]; |
1365 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1366 | ||
78446828 | 1367 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1368 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1369 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1370 | if (getpeername (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1371 | SCM_SYSERROR; |
9c0129ac | 1372 | return _scm_from_sockaddr (addr, addr_size, FUNC_NAME); |
0f2d19dd | 1373 | } |
1bbd0b84 | 1374 | #undef FUNC_NAME |
0f2d19dd | 1375 | |
a1ec6916 | 1376 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1377 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1378 | "Receive data from a socket port.\n" |
1379 | "@var{sock} must already\n" | |
b380b885 MD |
1380 | "be bound to the address from which data is to be received.\n" |
1381 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1382 | "the data will be written. The size of @var{buf} limits\n" |
1383 | "the amount of\n" | |
b380b885 | 1384 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1385 | "protocols, if a packet larger than this limit is encountered\n" |
1386 | "then some data\n" | |
b380b885 MD |
1387 | "will be irrevocably lost.\n\n" |
1388 | "The optional @var{flags} argument is a value or\n" | |
1389 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1390 | "The value returned is the number of bytes read from the\n" |
1391 | "socket.\n\n" | |
1392 | "Note that the data is read directly from the socket file\n" | |
1393 | "descriptor:\n" | |
09831f94 | 1394 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1395 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1396 | { |
370312ae GH |
1397 | int rv; |
1398 | int fd; | |
1399 | int flg; | |
cc95e00a MV |
1400 | char *dest; |
1401 | size_t len; | |
370312ae | 1402 | |
34d19ef6 HWN |
1403 | SCM_VALIDATE_OPFPORT (1, sock); |
1404 | SCM_VALIDATE_STRING (2, buf); | |
7cee5b31 MV |
1405 | if (SCM_UNBNDP (flags)) |
1406 | flg = 0; | |
1407 | else | |
1408 | flg = scm_to_int (flags); | |
ee149d03 | 1409 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1410 | |
cc95e00a MV |
1411 | len = scm_i_string_length (buf); |
1412 | dest = scm_i_string_writable_chars (buf); | |
1413 | SCM_SYSCALL (rv = recv (fd, dest, len, flg)); | |
1414 | scm_i_string_stop_writing (); | |
1415 | ||
370312ae | 1416 | if (rv == -1) |
1bbd0b84 | 1417 | SCM_SYSERROR; |
370312ae | 1418 | |
396e5506 | 1419 | scm_remember_upto_here_1 (buf); |
7cee5b31 | 1420 | return scm_from_int (rv); |
370312ae | 1421 | } |
1bbd0b84 | 1422 | #undef FUNC_NAME |
370312ae | 1423 | |
a1ec6916 | 1424 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1425 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1426 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1427 | "@var{sock} must already be bound to a destination address. The\n" | |
1428 | "value returned is the number of bytes transmitted --\n" | |
1429 | "it's possible for\n" | |
1430 | "this to be less than the length of @var{message}\n" | |
1431 | "if the socket is\n" | |
1432 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1433 | "is a value or\n" | |
b380b885 | 1434 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1435 | "Note that the data is written directly to the socket\n" |
1436 | "file descriptor:\n" | |
b380b885 | 1437 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1438 | #define FUNC_NAME s_scm_send |
370312ae GH |
1439 | { |
1440 | int rv; | |
1441 | int fd; | |
1442 | int flg; | |
cc95e00a MV |
1443 | const char *src; |
1444 | size_t len; | |
370312ae | 1445 | |
78446828 | 1446 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1447 | SCM_VALIDATE_OPFPORT (1, sock); |
a6d9e5ab | 1448 | SCM_VALIDATE_STRING (2, message); |
7cee5b31 MV |
1449 | if (SCM_UNBNDP (flags)) |
1450 | flg = 0; | |
1451 | else | |
1452 | flg = scm_to_int (flags); | |
ee149d03 | 1453 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1454 | |
cc95e00a MV |
1455 | len = scm_i_string_length (message); |
1456 | src = scm_i_string_writable_chars (message); | |
1457 | SCM_SYSCALL (rv = send (fd, src, len, flg)); | |
1458 | scm_i_string_stop_writing (); | |
1459 | ||
370312ae | 1460 | if (rv == -1) |
1bbd0b84 | 1461 | SCM_SYSERROR; |
396e5506 MV |
1462 | |
1463 | scm_remember_upto_here_1 (message); | |
7cee5b31 | 1464 | return scm_from_int (rv); |
370312ae | 1465 | } |
1bbd0b84 | 1466 | #undef FUNC_NAME |
370312ae | 1467 | |
a1ec6916 | 1468 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1469 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
8ab3d8a0 KR |
1470 | "Receive data from socket port @var{sock} (which must be already\n" |
1471 | "bound), returning the originating address as well as the data.\n" | |
1472 | "This is usually for use on datagram sockets, but can be used on\n" | |
1473 | "stream-oriented sockets too.\n" | |
1474 | "\n" | |
1475 | "The data received is stored in the given @var{str}, using\n" | |
1476 | "either the whole string or just the region between the optional\n" | |
1477 | "@var{start} and @var{end} positions. The size of @var{str}\n" | |
1478 | "limits the amount of data which can be received. For datagram\n" | |
1479 | "protocols, if a packet larger than this is received then excess\n" | |
1480 | "bytes are irrevocably lost.\n" | |
1481 | "\n" | |
1482 | "The return value is a pair. The @code{car} is the number of\n" | |
1483 | "bytes read. The @code{cdr} is a socket address object which is\n" | |
1484 | "where the data come from, or @code{#f} if the origin is\n" | |
1485 | "unknown.\n" | |
1486 | "\n" | |
1487 | "The optional @var{flags} argument is a or bitwise OR\n" | |
1488 | "(@code{logior}) of @code{MSG_OOB}, @code{MSG_PEEK},\n" | |
1489 | "@code{MSG_DONTROUTE} etc.\n" | |
1490 | "\n" | |
1491 | "Data is read directly from the socket file descriptor, any\n" | |
1492 | "buffered port data is ignored.\n" | |
1493 | "\n" | |
1494 | "On a GNU/Linux system @code{recvfrom!} is not multi-threading,\n" | |
1495 | "all threads stop while a @code{recvfrom!} call is in progress.\n" | |
1496 | "An application may need to use @code{select}, @code{O_NONBLOCK}\n" | |
1497 | "or @code{MSG_DONTWAIT} to avoid this.") | |
1bbd0b84 | 1498 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1499 | { |
1500 | int rv; | |
1501 | int fd; | |
1502 | int flg; | |
60d02d09 | 1503 | char *buf; |
396e5506 MV |
1504 | size_t offset; |
1505 | size_t cend; | |
370312ae | 1506 | SCM address; |
5ee417fc | 1507 | socklen_t addr_size = MAX_ADDR_SIZE; |
439006bf GH |
1508 | char max_addr[MAX_ADDR_SIZE]; |
1509 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1510 | |
34d19ef6 | 1511 | SCM_VALIDATE_OPFPORT (1, sock); |
60d02d09 | 1512 | fd = SCM_FPORT_FDES (sock); |
396e5506 MV |
1513 | |
1514 | SCM_VALIDATE_STRING (2, str); | |
cc95e00a | 1515 | scm_i_get_substring_spec (scm_i_string_length (str), |
396e5506 MV |
1516 | start, &offset, end, &cend); |
1517 | ||
1146b6cd GH |
1518 | if (SCM_UNBNDP (flags)) |
1519 | flg = 0; | |
370312ae | 1520 | else |
60d02d09 | 1521 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1522 | |
97d0e20b GH |
1523 | /* recvfrom will not necessarily return an address. usually nothing |
1524 | is returned for stream sockets. */ | |
cc95e00a | 1525 | buf = scm_i_string_writable_chars (str); |
439006bf | 1526 | addr->sa_family = AF_UNSPEC; |
60d02d09 | 1527 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1528 | cend - offset, flg, |
439006bf | 1529 | addr, &addr_size)); |
cc95e00a MV |
1530 | scm_i_string_stop_writing (); |
1531 | ||
370312ae | 1532 | if (rv == -1) |
1bbd0b84 | 1533 | SCM_SYSERROR; |
eefae538 | 1534 | if (addr->sa_family != AF_UNSPEC) |
9c0129ac | 1535 | address = _scm_from_sockaddr (addr, addr_size, FUNC_NAME); |
370312ae GH |
1536 | else |
1537 | address = SCM_BOOL_F; | |
1538 | ||
396e5506 | 1539 | scm_remember_upto_here_1 (str); |
e11e83f3 | 1540 | return scm_cons (scm_from_int (rv), address); |
0f2d19dd | 1541 | } |
1bbd0b84 | 1542 | #undef FUNC_NAME |
0f2d19dd | 1543 | |
9c0129ac KR |
1544 | SCM_DEFINE (scm_sendto, "sendto", 3, 1, 1, |
1545 | (SCM sock, SCM message, SCM fam_or_sockaddr, SCM address, SCM args_and_flags), | |
eefae538 GH |
1546 | "Transmit the string @var{message} on the socket port\n" |
1547 | "@var{sock}. The\n" | |
1548 | "destination address is specified using the @var{fam},\n" | |
1549 | "@var{address} and\n" | |
9c0129ac KR |
1550 | "@var{args_and_flags} arguments, or just a socket address object " |
1551 | "returned by @code{make-socket-address}, in a similar way to the\n" | |
eefae538 GH |
1552 | "@code{connect} procedure. @var{args_and_flags} contains\n" |
1553 | "the usual connection arguments optionally followed by\n" | |
1554 | "a flags argument, which is a value or\n" | |
b380b885 | 1555 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1556 | "The value returned is the number of bytes transmitted --\n" |
1557 | "it's possible for\n" | |
1558 | "this to be less than the length of @var{message} if the\n" | |
1559 | "socket is\n" | |
1560 | "set to be non-blocking.\n" | |
1561 | "Note that the data is written directly to the socket\n" | |
1562 | "file descriptor:\n" | |
b380b885 | 1563 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1564 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1565 | { |
1566 | int rv; | |
1567 | int fd; | |
1568 | int flg; | |
1569 | struct sockaddr *soka; | |
9c0129ac | 1570 | size_t size; |
370312ae | 1571 | |
78446828 | 1572 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1573 | SCM_VALIDATE_FPORT (1, sock); |
a6d9e5ab | 1574 | SCM_VALIDATE_STRING (2, message); |
ee149d03 | 1575 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
1576 | |
1577 | if (!scm_is_number (fam_or_sockaddr)) | |
1578 | { | |
1579 | /* FAM_OR_SOCKADDR must actually be a `socket address' object. This | |
1580 | means that the following arguments, i.e. ADDRESS and those listed in | |
1581 | ARGS_AND_FLAGS, are the `MSG_' flags. */ | |
1582 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
1583 | if (address != SCM_UNDEFINED) | |
1584 | args_and_flags = scm_cons (address, args_and_flags); | |
1585 | } | |
1586 | else | |
1587 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
1588 | &args_and_flags, 3, FUNC_NAME, &size); | |
1589 | ||
d2e53ed6 | 1590 | if (scm_is_null (args_and_flags)) |
370312ae GH |
1591 | flg = 0; |
1592 | else | |
1593 | { | |
34d19ef6 | 1594 | SCM_VALIDATE_CONS (5, args_and_flags); |
e4b265d8 | 1595 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1596 | } |
396e5506 | 1597 | SCM_SYSCALL (rv = sendto (fd, |
cc95e00a MV |
1598 | scm_i_string_chars (message), |
1599 | scm_i_string_length (message), | |
ae2fa5bc | 1600 | flg, soka, size)); |
370312ae | 1601 | if (rv == -1) |
439006bf GH |
1602 | { |
1603 | int save_errno = errno; | |
1604 | free (soka); | |
1605 | errno = save_errno; | |
1606 | SCM_SYSERROR; | |
1607 | } | |
1608 | free (soka); | |
396e5506 MV |
1609 | |
1610 | scm_remember_upto_here_1 (message); | |
e11e83f3 | 1611 | return scm_from_int (rv); |
370312ae | 1612 | } |
1bbd0b84 | 1613 | #undef FUNC_NAME |
370312ae GH |
1614 | \f |
1615 | ||
1616 | ||
1617 | void | |
0f2d19dd | 1618 | scm_init_socket () |
0f2d19dd | 1619 | { |
370312ae GH |
1620 | /* protocol families. */ |
1621 | #ifdef AF_UNSPEC | |
e11e83f3 | 1622 | scm_c_define ("AF_UNSPEC", scm_from_int (AF_UNSPEC)); |
370312ae GH |
1623 | #endif |
1624 | #ifdef AF_UNIX | |
e11e83f3 | 1625 | scm_c_define ("AF_UNIX", scm_from_int (AF_UNIX)); |
370312ae GH |
1626 | #endif |
1627 | #ifdef AF_INET | |
e11e83f3 | 1628 | scm_c_define ("AF_INET", scm_from_int (AF_INET)); |
370312ae | 1629 | #endif |
3453619b | 1630 | #ifdef AF_INET6 |
e11e83f3 | 1631 | scm_c_define ("AF_INET6", scm_from_int (AF_INET6)); |
3453619b | 1632 | #endif |
370312ae GH |
1633 | |
1634 | #ifdef PF_UNSPEC | |
e11e83f3 | 1635 | scm_c_define ("PF_UNSPEC", scm_from_int (PF_UNSPEC)); |
370312ae GH |
1636 | #endif |
1637 | #ifdef PF_UNIX | |
e11e83f3 | 1638 | scm_c_define ("PF_UNIX", scm_from_int (PF_UNIX)); |
370312ae GH |
1639 | #endif |
1640 | #ifdef PF_INET | |
e11e83f3 | 1641 | scm_c_define ("PF_INET", scm_from_int (PF_INET)); |
370312ae | 1642 | #endif |
3453619b | 1643 | #ifdef PF_INET6 |
e11e83f3 | 1644 | scm_c_define ("PF_INET6", scm_from_int (PF_INET6)); |
3453619b | 1645 | #endif |
370312ae | 1646 | |
66c73b76 GH |
1647 | /* standard addresses. */ |
1648 | #ifdef INADDR_ANY | |
b9bd8526 | 1649 | scm_c_define ("INADDR_ANY", scm_from_ulong (INADDR_ANY)); |
66c73b76 GH |
1650 | #endif |
1651 | #ifdef INADDR_BROADCAST | |
b9bd8526 | 1652 | scm_c_define ("INADDR_BROADCAST", scm_from_ulong (INADDR_BROADCAST)); |
66c73b76 GH |
1653 | #endif |
1654 | #ifdef INADDR_NONE | |
b9bd8526 | 1655 | scm_c_define ("INADDR_NONE", scm_from_ulong (INADDR_NONE)); |
66c73b76 GH |
1656 | #endif |
1657 | #ifdef INADDR_LOOPBACK | |
b9bd8526 | 1658 | scm_c_define ("INADDR_LOOPBACK", scm_from_ulong (INADDR_LOOPBACK)); |
66c73b76 GH |
1659 | #endif |
1660 | ||
6f637a1b KR |
1661 | /* socket types. |
1662 | ||
1663 | SOCK_PACKET is deliberately omitted, the GNU/Linux socket(2) and | |
1664 | packet(7) advise that it's obsolete and strongly deprecated. */ | |
1665 | ||
370312ae | 1666 | #ifdef SOCK_STREAM |
e11e83f3 | 1667 | scm_c_define ("SOCK_STREAM", scm_from_int (SOCK_STREAM)); |
370312ae GH |
1668 | #endif |
1669 | #ifdef SOCK_DGRAM | |
e11e83f3 | 1670 | scm_c_define ("SOCK_DGRAM", scm_from_int (SOCK_DGRAM)); |
370312ae | 1671 | #endif |
6f637a1b KR |
1672 | #ifdef SOCK_SEQPACKET |
1673 | scm_c_define ("SOCK_SEQPACKET", scm_from_int (SOCK_SEQPACKET)); | |
1674 | #endif | |
370312ae | 1675 | #ifdef SOCK_RAW |
e11e83f3 | 1676 | scm_c_define ("SOCK_RAW", scm_from_int (SOCK_RAW)); |
370312ae | 1677 | #endif |
6f637a1b KR |
1678 | #ifdef SOCK_RDM |
1679 | scm_c_define ("SOCK_RDM", scm_from_int (SOCK_RDM)); | |
1680 | #endif | |
370312ae | 1681 | |
8fae2bf4 KR |
1682 | /* setsockopt level. |
1683 | ||
1684 | SOL_IP, SOL_TCP and SOL_UDP are defined on gnu/linux, but not on for | |
1685 | instance NetBSD. We define IPPROTOs because that's what the posix spec | |
1686 | shows in its example at | |
1687 | ||
1688 | http://www.opengroup.org/onlinepubs/007904975/functions/getsockopt.html | |
1689 | */ | |
370312ae | 1690 | #ifdef SOL_SOCKET |
e11e83f3 | 1691 | scm_c_define ("SOL_SOCKET", scm_from_int (SOL_SOCKET)); |
370312ae | 1692 | #endif |
8fae2bf4 KR |
1693 | #ifdef IPPROTO_IP |
1694 | scm_c_define ("IPPROTO_IP", scm_from_int (IPPROTO_IP)); | |
370312ae | 1695 | #endif |
8fae2bf4 KR |
1696 | #ifdef IPPROTO_TCP |
1697 | scm_c_define ("IPPROTO_TCP", scm_from_int (IPPROTO_TCP)); | |
370312ae | 1698 | #endif |
8fae2bf4 KR |
1699 | #ifdef IPPROTO_UDP |
1700 | scm_c_define ("IPPROTO_UDP", scm_from_int (IPPROTO_UDP)); | |
370312ae GH |
1701 | #endif |
1702 | ||
1703 | /* setsockopt names. */ | |
1704 | #ifdef SO_DEBUG | |
e11e83f3 | 1705 | scm_c_define ("SO_DEBUG", scm_from_int (SO_DEBUG)); |
370312ae GH |
1706 | #endif |
1707 | #ifdef SO_REUSEADDR | |
e11e83f3 | 1708 | scm_c_define ("SO_REUSEADDR", scm_from_int (SO_REUSEADDR)); |
370312ae GH |
1709 | #endif |
1710 | #ifdef SO_STYLE | |
e11e83f3 | 1711 | scm_c_define ("SO_STYLE", scm_from_int (SO_STYLE)); |
370312ae GH |
1712 | #endif |
1713 | #ifdef SO_TYPE | |
e11e83f3 | 1714 | scm_c_define ("SO_TYPE", scm_from_int (SO_TYPE)); |
370312ae GH |
1715 | #endif |
1716 | #ifdef SO_ERROR | |
e11e83f3 | 1717 | scm_c_define ("SO_ERROR", scm_from_int (SO_ERROR)); |
370312ae GH |
1718 | #endif |
1719 | #ifdef SO_DONTROUTE | |
e11e83f3 | 1720 | scm_c_define ("SO_DONTROUTE", scm_from_int (SO_DONTROUTE)); |
370312ae GH |
1721 | #endif |
1722 | #ifdef SO_BROADCAST | |
e11e83f3 | 1723 | scm_c_define ("SO_BROADCAST", scm_from_int (SO_BROADCAST)); |
370312ae GH |
1724 | #endif |
1725 | #ifdef SO_SNDBUF | |
e11e83f3 | 1726 | scm_c_define ("SO_SNDBUF", scm_from_int (SO_SNDBUF)); |
370312ae GH |
1727 | #endif |
1728 | #ifdef SO_RCVBUF | |
e11e83f3 | 1729 | scm_c_define ("SO_RCVBUF", scm_from_int (SO_RCVBUF)); |
370312ae GH |
1730 | #endif |
1731 | #ifdef SO_KEEPALIVE | |
e11e83f3 | 1732 | scm_c_define ("SO_KEEPALIVE", scm_from_int (SO_KEEPALIVE)); |
370312ae GH |
1733 | #endif |
1734 | #ifdef SO_OOBINLINE | |
e11e83f3 | 1735 | scm_c_define ("SO_OOBINLINE", scm_from_int (SO_OOBINLINE)); |
370312ae GH |
1736 | #endif |
1737 | #ifdef SO_NO_CHECK | |
e11e83f3 | 1738 | scm_c_define ("SO_NO_CHECK", scm_from_int (SO_NO_CHECK)); |
370312ae GH |
1739 | #endif |
1740 | #ifdef SO_PRIORITY | |
e11e83f3 | 1741 | scm_c_define ("SO_PRIORITY", scm_from_int (SO_PRIORITY)); |
370312ae GH |
1742 | #endif |
1743 | #ifdef SO_LINGER | |
e11e83f3 | 1744 | scm_c_define ("SO_LINGER", scm_from_int (SO_LINGER)); |
370312ae GH |
1745 | #endif |
1746 | ||
1747 | /* recv/send options. */ | |
8ab3d8a0 KR |
1748 | #ifdef MSG_DONTWAIT |
1749 | scm_c_define ("MSG_DONTWAIT", scm_from_int (MSG_DONTWAIT)); | |
1750 | #endif | |
370312ae | 1751 | #ifdef MSG_OOB |
e11e83f3 | 1752 | scm_c_define ("MSG_OOB", scm_from_int (MSG_OOB)); |
370312ae GH |
1753 | #endif |
1754 | #ifdef MSG_PEEK | |
e11e83f3 | 1755 | scm_c_define ("MSG_PEEK", scm_from_int (MSG_PEEK)); |
370312ae GH |
1756 | #endif |
1757 | #ifdef MSG_DONTROUTE | |
e11e83f3 | 1758 | scm_c_define ("MSG_DONTROUTE", scm_from_int (MSG_DONTROUTE)); |
370312ae GH |
1759 | #endif |
1760 | ||
b4e15479 SJ |
1761 | #ifdef __MINGW32__ |
1762 | scm_i_init_socket_Win32 (); | |
1763 | #endif | |
1764 | ||
1c80707c MV |
1765 | #ifdef IP_ADD_MEMBERSHIP |
1766 | scm_c_define ("IP_ADD_MEMBERSHIP", scm_from_int (IP_ADD_MEMBERSHIP)); | |
1767 | scm_c_define ("IP_DROP_MEMBERSHIP", scm_from_int (IP_DROP_MEMBERSHIP)); | |
1768 | #endif | |
1769 | ||
0f2d19dd | 1770 | scm_add_feature ("socket"); |
370312ae | 1771 | |
a0599745 | 1772 | #include "libguile/socket.x" |
0f2d19dd JB |
1773 | } |
1774 | ||
89e00824 ML |
1775 | |
1776 | /* | |
1777 | Local Variables: | |
1778 | c-file-style: "gnu" | |
1779 | End: | |
1780 | */ |