Commit | Line | Data |
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2fa901a5 | 1 | /* Copyright (C) 1996,1997,1998,2000,2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc. |
86667910 | 2 | * |
73be1d9e | 3 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
4 | * modify it under the terms of the GNU Lesser General Public License |
5 | * as published by the Free Software Foundation; either version 3 of | |
6 | * the License, or (at your option) any later version. | |
86667910 | 7 | * |
53befeb7 NJ |
8 | * This library is distributed in the hope that it will be useful, but |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
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 | |
53befeb7 NJ |
15 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
16 | * 02110-1301 USA | |
73be1d9e | 17 | */ |
1bbd0b84 | 18 | |
1bbd0b84 | 19 | |
0f2d19dd JB |
20 | \f |
21 | ||
dbb605f5 | 22 | #ifdef HAVE_CONFIG_H |
eccde741 RB |
23 | # include <config.h> |
24 | #endif | |
25 | ||
e6e2e95a | 26 | #include <errno.h> |
69d49ac8 | 27 | #include <gmp.h> |
e6e2e95a | 28 | |
a0599745 | 29 | #include "libguile/_scm.h" |
2fa901a5 | 30 | #include "libguile/arrays.h" |
a0599745 MD |
31 | #include "libguile/feature.h" |
32 | #include "libguile/fports.h" | |
33 | #include "libguile/strings.h" | |
34 | #include "libguile/vectors.h" | |
7f9994d9 | 35 | #include "libguile/dynwind.h" |
587a3355 | 36 | #include "libguile/srfi-13.h" |
20e6290e | 37 | |
a0599745 MD |
38 | #include "libguile/validate.h" |
39 | #include "libguile/socket.h" | |
95b88819 | 40 | |
7d1fc872 LC |
41 | #include "libguile/iselect.h" |
42 | ||
b4e15479 SJ |
43 | #ifdef __MINGW32__ |
44 | #include "win32-socket.h" | |
45 | #endif | |
46 | ||
af68e5e5 SJ |
47 | #ifdef HAVE_STDINT_H |
48 | #include <stdint.h> | |
49 | #endif | |
95b88819 GH |
50 | #ifdef HAVE_STRING_H |
51 | #include <string.h> | |
52 | #endif | |
370312ae GH |
53 | #ifdef HAVE_UNISTD_H |
54 | #include <unistd.h> | |
55 | #endif | |
0f2d19dd | 56 | #include <sys/types.h> |
f87c105a | 57 | #ifdef HAVE_WINSOCK2_H |
82893676 MG |
58 | #include <winsock2.h> |
59 | #else | |
0f2d19dd | 60 | #include <sys/socket.h> |
1ba8c23a | 61 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
0f2d19dd | 62 | #include <sys/un.h> |
0e958795 | 63 | #endif |
0f2d19dd JB |
64 | #include <netinet/in.h> |
65 | #include <netdb.h> | |
66 | #include <arpa/inet.h> | |
82893676 | 67 | #endif |
0f2d19dd | 68 | |
97d0e20b GH |
69 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN) |
70 | #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \ | |
71 | + strlen ((ptr)->sun_path)) | |
72 | #endif | |
73 | ||
f43f3620 LC |
74 | /* The largest possible socket address. Wrapping it in a union guarantees |
75 | that the compiler will make it suitably aligned. */ | |
76 | typedef union | |
77 | { | |
78 | struct sockaddr sockaddr; | |
79 | struct sockaddr_in sockaddr_in; | |
80 | ||
81 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
82 | struct sockaddr_un sockaddr_un; | |
83 | #endif | |
84 | #ifdef HAVE_IPV6 | |
85 | struct sockaddr_in6 sockaddr_in6; | |
86 | #endif | |
87 | } scm_t_max_sockaddr; | |
88 | ||
89 | ||
90 | /* Maximum size of a socket address. */ | |
91 | #define MAX_ADDR_SIZE (sizeof (scm_t_max_sockaddr)) | |
92 | ||
93 | ||
0f2d19dd JB |
94 | \f |
95 | ||
a1ec6916 | 96 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
97 | (SCM value), |
98 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
99 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
100 | "and returned as a new integer.") | |
1bbd0b84 | 101 | #define FUNC_NAME s_scm_htons |
5c11cc9d | 102 | { |
7cee5b31 | 103 | return scm_from_ushort (htons (scm_to_ushort (value))); |
5c11cc9d | 104 | } |
1bbd0b84 | 105 | #undef FUNC_NAME |
5c11cc9d | 106 | |
a1ec6916 | 107 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
108 | (SCM value), |
109 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
110 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
111 | "and returned as a new integer.") | |
1bbd0b84 | 112 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d | 113 | { |
7cee5b31 | 114 | return scm_from_ushort (ntohs (scm_to_ushort (value))); |
5c11cc9d | 115 | } |
1bbd0b84 | 116 | #undef FUNC_NAME |
5c11cc9d | 117 | |
a1ec6916 | 118 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
119 | (SCM value), |
120 | "Convert a 32 bit quantity from host to network byte ordering.\n" | |
121 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
122 | "and returned as a new integer.") | |
1bbd0b84 | 123 | #define FUNC_NAME s_scm_htonl |
5c11cc9d | 124 | { |
8ab3d8a0 | 125 | return scm_from_ulong (htonl (scm_to_uint32 (value))); |
5c11cc9d | 126 | } |
1bbd0b84 | 127 | #undef FUNC_NAME |
5c11cc9d | 128 | |
a1ec6916 | 129 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
130 | (SCM value), |
131 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
132 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
133 | "and returned as a new integer.") | |
1bbd0b84 | 134 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 135 | { |
8ab3d8a0 | 136 | return scm_from_ulong (ntohl (scm_to_uint32 (value))); |
5c11cc9d | 137 | } |
1bbd0b84 | 138 | #undef FUNC_NAME |
5c11cc9d | 139 | |
66c73b76 GH |
140 | #ifndef HAVE_INET_ATON |
141 | /* for our definition in inet_aton.c, not usually needed. */ | |
142 | extern int inet_aton (); | |
143 | #endif | |
144 | ||
145 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
146 | (SCM address), | |
eefae538 GH |
147 | "Convert an IPv4 Internet address from printable string\n" |
148 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
149 | "@lisp\n" |
150 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
151 | "@end lisp") | |
152 | #define FUNC_NAME s_scm_inet_aton | |
153 | { | |
154 | struct in_addr soka; | |
396e5506 MV |
155 | char *c_address; |
156 | int rv; | |
66c73b76 | 157 | |
396e5506 MV |
158 | c_address = scm_to_locale_string (address); |
159 | rv = inet_aton (c_address, &soka); | |
160 | free (c_address); | |
161 | if (rv == 0) | |
66c73b76 | 162 | SCM_MISC_ERROR ("bad address", SCM_EOL); |
b9bd8526 | 163 | return scm_from_ulong (ntohl (soka.s_addr)); |
66c73b76 GH |
164 | } |
165 | #undef FUNC_NAME | |
166 | ||
167 | ||
168 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
169 | (SCM inetid), | |
eefae538 GH |
170 | "Convert an IPv4 Internet address to a printable\n" |
171 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
172 | "@lisp\n" |
173 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
174 | "@end lisp") | |
175 | #define FUNC_NAME s_scm_inet_ntoa | |
176 | { | |
177 | struct in_addr addr; | |
178 | char *s; | |
179 | SCM answer; | |
180 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
181 | s = inet_ntoa (addr); | |
cc95e00a | 182 | answer = scm_from_locale_string (s); |
66c73b76 GH |
183 | return answer; |
184 | } | |
185 | #undef FUNC_NAME | |
186 | ||
187 | #ifdef HAVE_INET_NETOF | |
188 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
189 | (SCM address), | |
eefae538 GH |
190 | "Return the network number part of the given IPv4\n" |
191 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
192 | "@lisp\n" |
193 | "(inet-netof 2130706433) @result{} 127\n" | |
194 | "@end lisp") | |
195 | #define FUNC_NAME s_scm_inet_netof | |
196 | { | |
197 | struct in_addr addr; | |
198 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 199 | return scm_from_ulong (inet_netof (addr)); |
66c73b76 GH |
200 | } |
201 | #undef FUNC_NAME | |
202 | #endif | |
203 | ||
204 | #ifdef HAVE_INET_LNAOF | |
205 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
206 | (SCM address), | |
207 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
208 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
209 | "E.g.,\n\n" | |
66c73b76 GH |
210 | "@lisp\n" |
211 | "(inet-lnaof 2130706433) @result{} 1\n" | |
212 | "@end lisp") | |
213 | #define FUNC_NAME s_scm_lnaof | |
214 | { | |
215 | struct in_addr addr; | |
216 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 217 | return scm_from_ulong (inet_lnaof (addr)); |
66c73b76 GH |
218 | } |
219 | #undef FUNC_NAME | |
220 | #endif | |
221 | ||
222 | #ifdef HAVE_INET_MAKEADDR | |
223 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
224 | (SCM net, SCM lna), | |
eefae538 | 225 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 226 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 227 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
228 | "@lisp\n" |
229 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
230 | "@end lisp") | |
231 | #define FUNC_NAME s_scm_inet_makeaddr | |
232 | { | |
233 | struct in_addr addr; | |
234 | unsigned long netnum; | |
235 | unsigned long lnanum; | |
236 | ||
237 | netnum = SCM_NUM2ULONG (1, net); | |
238 | lnanum = SCM_NUM2ULONG (2, lna); | |
239 | addr = inet_makeaddr (netnum, lnanum); | |
b9bd8526 | 240 | return scm_from_ulong (ntohl (addr.s_addr)); |
66c73b76 GH |
241 | } |
242 | #undef FUNC_NAME | |
243 | #endif | |
244 | ||
a57a0b1e | 245 | #ifdef HAVE_IPV6 |
eefae538 | 246 | |
66c73b76 GH |
247 | /* flip a 128 bit IPv6 address between host and network order. */ |
248 | #ifdef WORDS_BIGENDIAN | |
249 | #define FLIP_NET_HOST_128(addr) | |
250 | #else | |
251 | #define FLIP_NET_HOST_128(addr)\ | |
252 | {\ | |
253 | int i;\ | |
254 | \ | |
255 | for (i = 0; i < 8; i++)\ | |
256 | {\ | |
2de4f939 | 257 | scm_t_uint8 c = (addr)[i];\ |
66c73b76 GH |
258 | \ |
259 | (addr)[i] = (addr)[15 - i];\ | |
260 | (addr)[15 - i] = c;\ | |
261 | }\ | |
262 | } | |
263 | #endif | |
264 | ||
2de4f939 RB |
265 | #ifdef WORDS_BIGENDIAN |
266 | #define FLIPCPY_NET_HOST_128(dest, src) memcpy (dest, src, 16) | |
267 | #else | |
268 | #define FLIPCPY_NET_HOST_128(dest, src) \ | |
269 | { \ | |
270 | const scm_t_uint8 *tmp_srcp = (src) + 15; \ | |
271 | scm_t_uint8 *tmp_destp = (dest); \ | |
272 | \ | |
273 | do { \ | |
274 | *tmp_destp++ = *tmp_srcp--; \ | |
275 | } while (tmp_srcp != (src)); \ | |
276 | } | |
277 | #endif | |
278 | ||
279 | ||
7310ad0c | 280 | #if (SIZEOF_SCM_T_BITS * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
281 | #error "Assumption that scm_t_bits <= 128 bits has been violated." |
282 | #endif | |
283 | ||
7310ad0c | 284 | #if (SIZEOF_UNSIGNED_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
285 | #error "Assumption that unsigned long <= 128 bits has been violated." |
286 | #endif | |
287 | ||
7310ad0c | 288 | #if (SIZEOF_UNSIGNED_LONG_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
289 | #error "Assumption that unsigned long long <= 128 bits has been violated." |
290 | #endif | |
291 | ||
66c73b76 GH |
292 | /* convert a 128 bit IPv6 address in network order to a host ordered |
293 | SCM integer. */ | |
7cee5b31 MV |
294 | static SCM |
295 | scm_from_ipv6 (const scm_t_uint8 *src) | |
66c73b76 | 296 | { |
2b4d1547 KR |
297 | SCM result = scm_i_mkbig (); |
298 | mpz_import (SCM_I_BIG_MPZ (result), | |
299 | 1, /* chunk */ | |
300 | 1, /* big-endian chunk ordering */ | |
301 | 16, /* chunks are 16 bytes long */ | |
302 | 1, /* big-endian byte ordering */ | |
303 | 0, /* "nails" -- leading unused bits per chunk */ | |
304 | src); | |
305 | return scm_i_normbig (result); | |
306 | } | |
66c73b76 GH |
307 | |
308 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
309 | network order. */ | |
7cee5b31 MV |
310 | static void |
311 | scm_to_ipv6 (scm_t_uint8 dst[16], SCM src) | |
66c73b76 | 312 | { |
e11e83f3 | 313 | if (SCM_I_INUMP (src)) |
66c73b76 | 314 | { |
e11e83f3 | 315 | scm_t_signed_bits n = SCM_I_INUM (src); |
7cee5b31 MV |
316 | if (n < 0) |
317 | scm_out_of_range (NULL, src); | |
2de4f939 RB |
318 | #ifdef WORDS_BIGENDIAN |
319 | memset (dst, 0, 16 - sizeof (scm_t_signed_bits)); | |
320 | memcpy (dst + (16 - sizeof (scm_t_signed_bits)), | |
321 | &n, | |
322 | sizeof (scm_t_signed_bits)); | |
323 | #else | |
324 | memset (dst + sizeof (scm_t_signed_bits), | |
325 | 0, | |
326 | 16 - sizeof (scm_t_signed_bits)); | |
327 | /* FIXME: this pair of ops is kinda wasteful -- should rewrite as | |
328 | a single loop perhaps, similar to the handling of bignums. */ | |
329 | memcpy (dst, &n, sizeof (scm_t_signed_bits)); | |
330 | FLIP_NET_HOST_128 (dst); | |
331 | #endif | |
66c73b76 | 332 | } |
7cee5b31 | 333 | else if (SCM_BIGP (src)) |
66c73b76 | 334 | { |
2de4f939 | 335 | size_t count; |
7cee5b31 MV |
336 | |
337 | if ((mpz_sgn (SCM_I_BIG_MPZ (src)) < 0) | |
338 | || mpz_sizeinbase (SCM_I_BIG_MPZ (src), 2) > 128) | |
339 | scm_out_of_range (NULL, src); | |
340 | ||
66c73b76 | 341 | memset (dst, 0, 16); |
2de4f939 RB |
342 | mpz_export (dst, |
343 | &count, | |
344 | 1, /* big-endian chunk ordering */ | |
345 | 16, /* chunks are 16 bytes long */ | |
346 | 1, /* big-endian byte ordering */ | |
347 | 0, /* "nails" -- leading unused bits per chunk */ | |
348 | SCM_I_BIG_MPZ (src)); | |
349 | scm_remember_upto_here_1 (src); | |
66c73b76 | 350 | } |
2de4f939 | 351 | else |
1ff4da65 | 352 | scm_wrong_type_arg_msg ("scm_to_ipv6", 0, src, "integer"); |
2de4f939 RB |
353 | } |
354 | ||
66c73b76 GH |
355 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, |
356 | (SCM family, SCM address), | |
eefae538 GH |
357 | "Convert a string containing a printable network address to\n" |
358 | "an integer address. Note that unlike the C version of this\n" | |
359 | "function,\n" | |
66c73b76 | 360 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 361 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 362 | "@lisp\n" |
dd85ce47 ML |
363 | "(inet-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n" |
364 | "(inet-pton AF_INET6 \"::1\") @result{} 1\n" | |
66c73b76 GH |
365 | "@end lisp") |
366 | #define FUNC_NAME s_scm_inet_pton | |
367 | { | |
368 | int af; | |
369 | char *src; | |
f43f3620 | 370 | scm_t_uint32 dst[4]; |
396e5506 | 371 | int rv, eno; |
66c73b76 | 372 | |
7cee5b31 | 373 | af = scm_to_int (family); |
66c73b76 | 374 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
396e5506 | 375 | src = scm_to_locale_string (address); |
66c73b76 | 376 | rv = inet_pton (af, src, dst); |
396e5506 MV |
377 | eno = errno; |
378 | free (src); | |
379 | errno = eno; | |
66c73b76 GH |
380 | if (rv == -1) |
381 | SCM_SYSERROR; | |
382 | else if (rv == 0) | |
383 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
384 | if (af == AF_INET) | |
f43f3620 | 385 | return scm_from_ulong (ntohl (*dst)); |
66c73b76 | 386 | else |
5ee417fc | 387 | return scm_from_ipv6 ((scm_t_uint8 *) dst); |
66c73b76 GH |
388 | } |
389 | #undef FUNC_NAME | |
66c73b76 | 390 | |
66c73b76 GH |
391 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, |
392 | (SCM family, SCM address), | |
eefae538 | 393 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
394 | "Note that unlike the C version of this function,\n" |
395 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 396 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 397 | "@lisp\n" |
dd85ce47 | 398 | "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n" |
187a4390 NJ |
399 | "(inet-ntop AF_INET6 (- (expt 2 128) 1))\n" |
400 | " @result{} \"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\"\n" | |
66c73b76 GH |
401 | "@end lisp") |
402 | #define FUNC_NAME s_scm_inet_ntop | |
403 | { | |
404 | int af; | |
405 | #ifdef INET6_ADDRSTRLEN | |
406 | char dst[INET6_ADDRSTRLEN]; | |
407 | #else | |
408 | char dst[46]; | |
409 | #endif | |
7a5fb796 | 410 | const char *result; |
66c73b76 | 411 | |
7cee5b31 | 412 | af = scm_to_int (family); |
66c73b76 GH |
413 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
414 | if (af == AF_INET) | |
7a5fb796 LC |
415 | { |
416 | scm_t_uint32 addr4; | |
417 | ||
418 | addr4 = htonl (SCM_NUM2ULONG (2, address)); | |
419 | result = inet_ntop (af, &addr4, dst, sizeof (dst)); | |
420 | } | |
66c73b76 | 421 | else |
7a5fb796 LC |
422 | { |
423 | char addr6[16]; | |
424 | ||
425 | scm_to_ipv6 ((scm_t_uint8 *) addr6, address); | |
426 | result = inet_ntop (af, &addr6, dst, sizeof (dst)); | |
427 | } | |
428 | ||
429 | if (result == NULL) | |
66c73b76 | 430 | SCM_SYSERROR; |
7a5fb796 | 431 | |
cc95e00a | 432 | return scm_from_locale_string (dst); |
66c73b76 GH |
433 | } |
434 | #undef FUNC_NAME | |
66c73b76 | 435 | |
a57a0b1e | 436 | #endif /* HAVE_IPV6 */ |
eefae538 | 437 | |
bc45012d | 438 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 439 | |
439006bf | 440 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 441 | |
a1ec6916 | 442 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 443 | (SCM family, SCM style, SCM proto), |
1e6808ea | 444 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 445 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
446 | "integers. Supported values for @var{family} are\n" |
447 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
448 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
449 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
450 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 451 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 452 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
453 | "A single socket port cannot by used for communication until it\n" |
454 | "has been connected to another socket.") | |
1bbd0b84 | 455 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 456 | { |
370312ae | 457 | int fd; |
370312ae | 458 | |
7cee5b31 MV |
459 | fd = socket (scm_to_int (family), |
460 | scm_to_int (style), | |
461 | scm_to_int (proto)); | |
439006bf GH |
462 | if (fd == -1) |
463 | SCM_SYSERROR; | |
464 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 465 | } |
1bbd0b84 | 466 | #undef FUNC_NAME |
0f2d19dd | 467 | |
0e958795 | 468 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 469 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 470 | (SCM family, SCM style, SCM proto), |
1e6808ea | 471 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 472 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
473 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
474 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 475 | "@var{proto}.") |
1bbd0b84 | 476 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 477 | { |
370312ae GH |
478 | int fam; |
479 | int fd[2]; | |
370312ae | 480 | |
7cee5b31 | 481 | fam = scm_to_int (family); |
370312ae | 482 | |
7cee5b31 | 483 | if (socketpair (fam, scm_to_int (style), scm_to_int (proto), fd) == -1) |
1bbd0b84 | 484 | SCM_SYSERROR; |
370312ae | 485 | |
439006bf | 486 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 487 | } |
1bbd0b84 | 488 | #undef FUNC_NAME |
0e958795 | 489 | #endif |
0f2d19dd | 490 | |
f43f3620 LC |
491 | /* Possible results for `getsockopt ()'. Wrapping it into a union guarantees |
492 | suitable alignment. */ | |
493 | typedef union | |
494 | { | |
495 | #ifdef HAVE_STRUCT_LINGER | |
496 | struct linger linger; | |
497 | #endif | |
498 | size_t size; | |
499 | int integer; | |
500 | } scm_t_getsockopt_result; | |
501 | ||
a1ec6916 | 502 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 503 | (SCM sock, SCM level, SCM optname), |
72e3dae1 KR |
504 | "Return an option value from socket port @var{sock}.\n" |
505 | "\n" | |
506 | "@var{level} is an integer specifying a protocol layer, either\n" | |
507 | "@code{SOL_SOCKET} for socket level options, or a protocol\n" | |
508 | "number from the @code{IPPROTO} constants or @code{getprotoent}\n" | |
509 | "(@pxref{Network Databases}).\n" | |
510 | "\n" | |
511 | "@defvar SOL_SOCKET\n" | |
512 | "@defvarx IPPROTO_IP\n" | |
513 | "@defvarx IPPROTO_TCP\n" | |
514 | "@defvarx IPPROTO_UDP\n" | |
515 | "@end defvar\n" | |
516 | "\n" | |
517 | "@var{optname} is an integer specifying an option within the\n" | |
518 | "protocol layer.\n" | |
519 | "\n" | |
520 | "For @code{SOL_SOCKET} level the following @var{optname}s are\n" | |
521 | "defined (when provided by the system). For their meaning see\n" | |
522 | "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n" | |
523 | "Manual}, or @command{man 7 socket}.\n" | |
524 | "\n" | |
525 | "@defvar SO_DEBUG\n" | |
526 | "@defvarx SO_REUSEADDR\n" | |
527 | "@defvarx SO_STYLE\n" | |
528 | "@defvarx SO_TYPE\n" | |
529 | "@defvarx SO_ERROR\n" | |
530 | "@defvarx SO_DONTROUTE\n" | |
531 | "@defvarx SO_BROADCAST\n" | |
532 | "@defvarx SO_SNDBUF\n" | |
533 | "@defvarx SO_RCVBUF\n" | |
534 | "@defvarx SO_KEEPALIVE\n" | |
535 | "@defvarx SO_OOBINLINE\n" | |
536 | "@defvarx SO_NO_CHECK\n" | |
537 | "@defvarx SO_PRIORITY\n" | |
538 | "The value returned is an integer.\n" | |
539 | "@end defvar\n" | |
540 | "\n" | |
541 | "@defvar SO_LINGER\n" | |
542 | "The @var{value} returned is a pair of integers\n" | |
543 | "@code{(@var{ENABLE} . @var{TIMEOUT})}. On old systems without\n" | |
544 | "timeout support (ie.@: without @code{struct linger}), only\n" | |
545 | "@var{ENABLE} has an effect but the value in Guile is always a\n" | |
546 | "pair.\n" | |
547 | "@end defvar") | |
1bbd0b84 | 548 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 549 | { |
370312ae | 550 | int fd; |
439006bf | 551 | /* size of optval is the largest supported option. */ |
f43f3620 LC |
552 | scm_t_getsockopt_result optval; |
553 | socklen_t optlen = sizeof (optval); | |
370312ae GH |
554 | int ilevel; |
555 | int ioptname; | |
0f2d19dd | 556 | |
78446828 | 557 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 | 558 | SCM_VALIDATE_OPFPORT (1, sock); |
7cee5b31 MV |
559 | ilevel = scm_to_int (level); |
560 | ioptname = scm_to_int (optname); | |
0f2d19dd | 561 | |
ee149d03 | 562 | fd = SCM_FPORT_FDES (sock); |
f43f3620 | 563 | if (getsockopt (fd, ilevel, ioptname, (void *) &optval, &optlen) == -1) |
1bbd0b84 | 564 | SCM_SYSERROR; |
1cc91f1b | 565 | |
439006bf | 566 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 567 | { |
439006bf GH |
568 | #ifdef SO_LINGER |
569 | if (ioptname == SO_LINGER) | |
570 | { | |
370312ae | 571 | #ifdef HAVE_STRUCT_LINGER |
f43f3620 | 572 | struct linger *ling = (struct linger *) &optval; |
439006bf | 573 | |
b9bd8526 MV |
574 | return scm_cons (scm_from_long (ling->l_onoff), |
575 | scm_from_long (ling->l_linger)); | |
370312ae | 576 | #else |
f43f3620 | 577 | return scm_cons (scm_from_long (*(int *) &optval), |
7cee5b31 | 578 | scm_from_int (0)); |
0f2d19dd | 579 | #endif |
439006bf GH |
580 | } |
581 | else | |
370312ae | 582 | #endif |
439006bf | 583 | if (0 |
370312ae | 584 | #ifdef SO_SNDBUF |
439006bf | 585 | || ioptname == SO_SNDBUF |
370312ae GH |
586 | #endif |
587 | #ifdef SO_RCVBUF | |
439006bf | 588 | || ioptname == SO_RCVBUF |
370312ae | 589 | #endif |
439006bf GH |
590 | ) |
591 | { | |
f43f3620 | 592 | return scm_from_size_t (*(size_t *) &optval); |
439006bf GH |
593 | } |
594 | } | |
f43f3620 | 595 | return scm_from_int (*(int *) &optval); |
0f2d19dd | 596 | } |
1bbd0b84 | 597 | #undef FUNC_NAME |
0f2d19dd | 598 | |
a1ec6916 | 599 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 600 | (SCM sock, SCM level, SCM optname, SCM value), |
72e3dae1 KR |
601 | "Set an option on socket port @var{sock}. The return value is\n" |
602 | "unspecified.\n" | |
603 | "\n" | |
604 | "@var{level} is an integer specifying a protocol layer, either\n" | |
605 | "@code{SOL_SOCKET} for socket level options, or a protocol\n" | |
606 | "number from the @code{IPPROTO} constants or @code{getprotoent}\n" | |
607 | "(@pxref{Network Databases}).\n" | |
608 | "\n" | |
609 | "@defvar SOL_SOCKET\n" | |
610 | "@defvarx IPPROTO_IP\n" | |
611 | "@defvarx IPPROTO_TCP\n" | |
612 | "@defvarx IPPROTO_UDP\n" | |
613 | "@end defvar\n" | |
614 | "\n" | |
615 | "@var{optname} is an integer specifying an option within the\n" | |
616 | "protocol layer.\n" | |
617 | "\n" | |
618 | "For @code{SOL_SOCKET} level the following @var{optname}s are\n" | |
619 | "defined (when provided by the system). For their meaning see\n" | |
620 | "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n" | |
621 | "Manual}, or @command{man 7 socket}.\n" | |
622 | "\n" | |
623 | "@defvar SO_DEBUG\n" | |
624 | "@defvarx SO_REUSEADDR\n" | |
625 | "@defvarx SO_STYLE\n" | |
626 | "@defvarx SO_TYPE\n" | |
627 | "@defvarx SO_ERROR\n" | |
628 | "@defvarx SO_DONTROUTE\n" | |
629 | "@defvarx SO_BROADCAST\n" | |
630 | "@defvarx SO_SNDBUF\n" | |
631 | "@defvarx SO_RCVBUF\n" | |
632 | "@defvarx SO_KEEPALIVE\n" | |
633 | "@defvarx SO_OOBINLINE\n" | |
634 | "@defvarx SO_NO_CHECK\n" | |
635 | "@defvarx SO_PRIORITY\n" | |
636 | "@var{value} is an integer.\n" | |
637 | "@end defvar\n" | |
638 | "\n" | |
639 | "@defvar SO_LINGER\n" | |
640 | "@var{value} is a pair of integers @code{(@var{ENABLE}\n" | |
641 | ". @var{TIMEOUT})}. On old systems without timeout support\n" | |
642 | "(ie.@: without @code{struct linger}), only @var{ENABLE} has an\n" | |
643 | "effect but the value in Guile is always a pair.\n" | |
644 | "@end defvar\n" | |
645 | "\n" | |
646 | "@c Note that we refer only to ``man ip'' here. On GNU/Linux it's\n" | |
647 | "@c ``man 7 ip'' but on NetBSD it's ``man 4 ip''.\n" | |
648 | "@c \n" | |
649 | "For IP level (@code{IPPROTO_IP}) the following @var{optname}s\n" | |
650 | "are defined (when provided by the system). See @command{man\n" | |
651 | "ip} for what they mean.\n" | |
652 | "\n" | |
653 | "@defvar IP_ADD_MEMBERSHIP\n" | |
654 | "@defvarx IP_DROP_MEMBERSHIP\n" | |
655 | "These can be used only with @code{setsockopt}, not\n" | |
656 | "@code{getsockopt}. @var{value} is a pair\n" | |
657 | "@code{(@var{MULTIADDR} . @var{INTERFACEADDR})} of IPv4\n" | |
658 | "addresses (@pxref{Network Address Conversion}).\n" | |
659 | "@var{MULTIADDR} is a multicast address to be added to or\n" | |
660 | "dropped from the interface @var{INTERFACEADDR}.\n" | |
661 | "@var{INTERFACEADDR} can be @code{INADDR_ANY} to have the system\n" | |
662 | "select the interface. @var{INTERFACEADDR} can also be an\n" | |
f1b7209b KR |
663 | "interface index number, on systems supporting that.\n" |
664 | "@end defvar") | |
1bbd0b84 | 665 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 666 | { |
370312ae | 667 | int fd; |
1c80707c MV |
668 | |
669 | int opt_int; | |
370312ae | 670 | #ifdef HAVE_STRUCT_LINGER |
1c80707c | 671 | struct linger opt_linger; |
370312ae | 672 | #endif |
ecc9f40f MV |
673 | |
674 | #if HAVE_STRUCT_IP_MREQ | |
1c80707c | 675 | struct ip_mreq opt_mreq; |
ecc9f40f | 676 | #endif |
1c80707c MV |
677 | |
678 | const void *optval = NULL; | |
679 | socklen_t optlen = 0; | |
680 | ||
370312ae | 681 | int ilevel, ioptname; |
439006bf | 682 | |
78446828 | 683 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
684 | |
685 | SCM_VALIDATE_OPFPORT (1, sock); | |
7cee5b31 MV |
686 | ilevel = scm_to_int (level); |
687 | ioptname = scm_to_int (optname); | |
439006bf | 688 | |
ee149d03 | 689 | fd = SCM_FPORT_FDES (sock); |
1c80707c | 690 | |
439006bf | 691 | if (ilevel == SOL_SOCKET) |
370312ae | 692 | { |
439006bf GH |
693 | #ifdef SO_LINGER |
694 | if (ioptname == SO_LINGER) | |
695 | { | |
370312ae | 696 | #ifdef HAVE_STRUCT_LINGER |
d2e53ed6 | 697 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); |
1c80707c MV |
698 | opt_linger.l_onoff = scm_to_int (SCM_CAR (value)); |
699 | opt_linger.l_linger = scm_to_int (SCM_CDR (value)); | |
700 | optlen = sizeof (struct linger); | |
701 | optval = &opt_linger; | |
370312ae | 702 | #else |
d2e53ed6 | 703 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); |
1c80707c | 704 | opt_int = scm_to_int (SCM_CAR (value)); |
439006bf | 705 | /* timeout is ignored, but may as well validate it. */ |
1c80707c MV |
706 | scm_to_int (SCM_CDR (value)); |
707 | optlen = sizeof (int); | |
708 | optval = &opt_int; | |
439006bf GH |
709 | #endif |
710 | } | |
711 | else | |
712 | #endif | |
713 | if (0 | |
370312ae | 714 | #ifdef SO_SNDBUF |
439006bf | 715 | || ioptname == SO_SNDBUF |
370312ae GH |
716 | #endif |
717 | #ifdef SO_RCVBUF | |
439006bf | 718 | || ioptname == SO_RCVBUF |
370312ae | 719 | #endif |
439006bf GH |
720 | ) |
721 | { | |
1c80707c MV |
722 | opt_int = scm_to_int (value); |
723 | optlen = sizeof (size_t); | |
724 | optval = &opt_int; | |
439006bf GH |
725 | } |
726 | } | |
1c80707c | 727 | |
ecc9f40f | 728 | #if HAVE_STRUCT_IP_MREQ |
1c80707c MV |
729 | if (ilevel == IPPROTO_IP && |
730 | (ioptname == IP_ADD_MEMBERSHIP || ioptname == IP_DROP_MEMBERSHIP)) | |
0f2d19dd | 731 | { |
1c80707c MV |
732 | /* Fourth argument must be a pair of addresses. */ |
733 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); | |
734 | opt_mreq.imr_multiaddr.s_addr = htonl (scm_to_ulong (SCM_CAR (value))); | |
735 | opt_mreq.imr_interface.s_addr = htonl (scm_to_ulong (SCM_CDR (value))); | |
736 | optlen = sizeof (opt_mreq); | |
737 | optval = &opt_mreq; | |
738 | } | |
ecc9f40f | 739 | #endif |
439006bf | 740 | |
1c80707c MV |
741 | if (optval == NULL) |
742 | { | |
743 | /* Most options take an int. */ | |
744 | opt_int = scm_to_int (value); | |
745 | optlen = sizeof (int); | |
746 | optval = &opt_int; | |
0f2d19dd | 747 | } |
1c80707c MV |
748 | |
749 | if (setsockopt (fd, ilevel, ioptname, optval, optlen) == -1) | |
1bbd0b84 | 750 | SCM_SYSERROR; |
370312ae | 751 | return SCM_UNSPECIFIED; |
0f2d19dd | 752 | } |
1bbd0b84 | 753 | #undef FUNC_NAME |
0f2d19dd | 754 | |
a1ec6916 | 755 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 756 | (SCM sock, SCM how), |
b380b885 | 757 | "Sockets can be closed simply by using @code{close-port}. The\n" |
bb2c02f2 | 758 | "@code{shutdown} procedure allows reception or transmission on a\n" |
b380b885 MD |
759 | "connection to be shut down individually, according to the parameter\n" |
760 | "@var{how}:\n\n" | |
761 | "@table @asis\n" | |
762 | "@item 0\n" | |
763 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
764 | "@item 1\n" | |
765 | "Stop trying to transmit data from this socket. Discard any\n" | |
766 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
767 | "data already sent; don't retransmit it if it is lost.\n" | |
768 | "@item 2\n" | |
769 | "Stop both reception and transmission.\n" | |
770 | "@end table\n\n" | |
771 | "The return value is unspecified.") | |
1bbd0b84 | 772 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 773 | { |
370312ae | 774 | int fd; |
78446828 | 775 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 776 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 777 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 778 | if (shutdown (fd, scm_to_signed_integer (how, 0, 2)) == -1) |
1bbd0b84 | 779 | SCM_SYSERROR; |
370312ae GH |
780 | return SCM_UNSPECIFIED; |
781 | } | |
1bbd0b84 | 782 | #undef FUNC_NAME |
0f2d19dd | 783 | |
370312ae GH |
784 | /* convert fam/address/args into a sockaddr of the appropriate type. |
785 | args is modified by removing the arguments actually used. | |
786 | which_arg and proc are used when reporting errors: | |
787 | which_arg is the position of address in the original argument list. | |
788 | proc is the name of the original procedure. | |
789 | size returns the size of the structure allocated. */ | |
790 | ||
bc732342 | 791 | static struct sockaddr * |
439006bf | 792 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
9c0129ac | 793 | const char *proc, size_t *size) |
3453619b | 794 | #define FUNC_NAME proc |
370312ae GH |
795 | { |
796 | switch (fam) | |
0f2d19dd | 797 | { |
370312ae GH |
798 | case AF_INET: |
799 | { | |
370312ae | 800 | struct sockaddr_in *soka; |
3453619b GH |
801 | unsigned long addr; |
802 | int port; | |
370312ae | 803 | |
3453619b GH |
804 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
805 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
7cee5b31 | 806 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 807 | *args = SCM_CDR (*args); |
67329a9e | 808 | soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in)); |
9c0129ac | 809 | |
93b047f4 | 810 | #if HAVE_STRUCT_SOCKADDR_SIN_LEN |
3453619b GH |
811 | soka->sin_len = sizeof (struct sockaddr_in); |
812 | #endif | |
370312ae | 813 | soka->sin_family = AF_INET; |
3453619b GH |
814 | soka->sin_addr.s_addr = htonl (addr); |
815 | soka->sin_port = htons (port); | |
370312ae GH |
816 | *size = sizeof (struct sockaddr_in); |
817 | return (struct sockaddr *) soka; | |
818 | } | |
a57a0b1e | 819 | #ifdef HAVE_IPV6 |
3453619b GH |
820 | case AF_INET6: |
821 | { | |
822 | /* see RFC2553. */ | |
823 | int port; | |
824 | struct sockaddr_in6 *soka; | |
825 | unsigned long flowinfo = 0; | |
826 | unsigned long scope_id = 0; | |
827 | ||
3453619b | 828 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
7cee5b31 | 829 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 830 | *args = SCM_CDR (*args); |
d2e53ed6 | 831 | if (scm_is_pair (*args)) |
3453619b GH |
832 | { |
833 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
834 | *args = SCM_CDR (*args); | |
d2e53ed6 | 835 | if (scm_is_pair (*args)) |
3453619b GH |
836 | { |
837 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
838 | scope_id); | |
839 | *args = SCM_CDR (*args); | |
840 | } | |
841 | } | |
67329a9e | 842 | soka = (struct sockaddr_in6 *) scm_malloc (sizeof (struct sockaddr_in6)); |
9c0129ac | 843 | |
93b047f4 | 844 | #if HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN |
3453619b GH |
845 | soka->sin6_len = sizeof (struct sockaddr_in6); |
846 | #endif | |
847 | soka->sin6_family = AF_INET6; | |
7cee5b31 | 848 | scm_to_ipv6 (soka->sin6_addr.s6_addr, address); |
5a525b84 | 849 | soka->sin6_port = htons (port); |
3453619b | 850 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 851 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 852 | soka->sin6_scope_id = scope_id; |
5a525b84 | 853 | #endif |
3453619b GH |
854 | *size = sizeof (struct sockaddr_in6); |
855 | return (struct sockaddr *) soka; | |
856 | } | |
857 | #endif | |
1ba8c23a | 858 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
859 | case AF_UNIX: |
860 | { | |
861 | struct sockaddr_un *soka; | |
439006bf | 862 | int addr_size; |
7f9994d9 MV |
863 | char *c_address; |
864 | ||
661ae7ab | 865 | scm_dynwind_begin (0); |
7f9994d9 MV |
866 | |
867 | c_address = scm_to_locale_string (address); | |
661ae7ab | 868 | scm_dynwind_free (c_address); |
370312ae | 869 | |
439006bf GH |
870 | /* the static buffer size in sockaddr_un seems to be arbitrary |
871 | and not necessarily a hard limit. e.g., the glibc manual | |
872 | suggests it may be possible to declare it size 0. let's | |
873 | ignore it. if the O/S doesn't like the size it will cause | |
874 | connect/bind etc., to fail. sun_path is always the last | |
875 | member of the structure. */ | |
876 | addr_size = sizeof (struct sockaddr_un) | |
7f9994d9 | 877 | + max (0, strlen (c_address) + 1 - (sizeof soka->sun_path)); |
67329a9e | 878 | soka = (struct sockaddr_un *) scm_malloc (addr_size); |
439006bf GH |
879 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ |
880 | soka->sun_family = AF_UNIX; | |
7f9994d9 | 881 | strcpy (soka->sun_path, c_address); |
439006bf | 882 | *size = SUN_LEN (soka); |
7f9994d9 | 883 | |
661ae7ab | 884 | scm_dynwind_end (); |
370312ae GH |
885 | return (struct sockaddr *) soka; |
886 | } | |
0e958795 | 887 | #endif |
370312ae | 888 | default: |
e11e83f3 | 889 | scm_out_of_range (proc, scm_from_int (fam)); |
0f2d19dd | 890 | } |
0f2d19dd | 891 | } |
3453619b | 892 | #undef FUNC_NAME |
9c0129ac KR |
893 | |
894 | SCM_DEFINE (scm_connect, "connect", 2, 1, 1, | |
895 | (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args), | |
eefae538 | 896 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
897 | "family to the address\n" |
898 | "specified by @var{address} and possibly @var{args}.\n" | |
899 | "The format required for @var{address}\n" | |
900 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 901 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 902 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
903 | "filename where the socket is to be created.\n\n" |
904 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
905 | "@var{address} must be an integer IPv4 host address and\n" |
906 | "@var{args} must be a single integer port number.\n\n" | |
907 | "For a socket of family @code{AF_INET6},\n" | |
908 | "@var{address} must be an integer IPv6 host address and\n" | |
909 | "@var{args} may be up to three integers:\n" | |
910 | "port [flowinfo] [scope_id],\n" | |
911 | "where flowinfo and scope_id default to zero.\n\n" | |
9c0129ac KR |
912 | "Alternatively, the second argument can be a socket address object " |
913 | "as returned by @code{make-socket-address}, in which case the " | |
914 | "no additional arguments should be passed.\n\n" | |
b380b885 | 915 | "The return value is unspecified.") |
1bbd0b84 | 916 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 917 | { |
370312ae GH |
918 | int fd; |
919 | struct sockaddr *soka; | |
9c0129ac | 920 | size_t size; |
0f2d19dd | 921 | |
78446828 | 922 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 923 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 924 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
925 | |
926 | if (address == SCM_UNDEFINED) | |
927 | /* No third argument was passed to FAM_OR_SOCKADDR must actually be a | |
928 | `socket address' object. */ | |
929 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
930 | else | |
931 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
932 | &args, 3, FUNC_NAME, &size); | |
933 | ||
370312ae | 934 | if (connect (fd, soka, size) == -1) |
439006bf GH |
935 | { |
936 | int save_errno = errno; | |
9c0129ac | 937 | |
439006bf GH |
938 | free (soka); |
939 | errno = save_errno; | |
940 | SCM_SYSERROR; | |
941 | } | |
942 | free (soka); | |
370312ae | 943 | return SCM_UNSPECIFIED; |
0f2d19dd | 944 | } |
1bbd0b84 | 945 | #undef FUNC_NAME |
0f2d19dd | 946 | |
9c0129ac KR |
947 | SCM_DEFINE (scm_bind, "bind", 2, 1, 1, |
948 | (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args), | |
eefae538 | 949 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
950 | "Generally this only needs to be done for server sockets,\n" |
951 | "so they know where to look for incoming connections. A socket\n" | |
952 | "without an address will be assigned one automatically when it\n" | |
953 | "starts communicating.\n\n" | |
eefae538 GH |
954 | "The format of @var{address} and @var{args} depends\n" |
955 | "on the family of the socket.\n\n" | |
b380b885 | 956 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
957 | "is specified and must be a string with the filename where\n" |
958 | "the socket is to be created.\n\n" | |
959 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
960 | "must be an integer IPv4 address and @var{args}\n" | |
961 | "must be a single integer port number.\n\n" | |
962 | "The values of the following variables can also be used for\n" | |
963 | "@var{address}:\n\n" | |
b380b885 MD |
964 | "@defvar INADDR_ANY\n" |
965 | "Allow connections from any address.\n" | |
966 | "@end defvar\n\n" | |
967 | "@defvar INADDR_LOOPBACK\n" | |
968 | "The address of the local host using the loopback device.\n" | |
969 | "@end defvar\n\n" | |
970 | "@defvar INADDR_BROADCAST\n" | |
971 | "The broadcast address on the local network.\n" | |
972 | "@end defvar\n\n" | |
973 | "@defvar INADDR_NONE\n" | |
974 | "No address.\n" | |
975 | "@end defvar\n\n" | |
eefae538 GH |
976 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
977 | "must be an integer IPv6 address and @var{args}\n" | |
978 | "may be up to three integers:\n" | |
979 | "port [flowinfo] [scope_id],\n" | |
980 | "where flowinfo and scope_id default to zero.\n\n" | |
9c0129ac KR |
981 | "Alternatively, the second argument can be a socket address object " |
982 | "as returned by @code{make-socket-address}, in which case the " | |
983 | "no additional arguments should be passed.\n\n" | |
b380b885 | 984 | "The return value is unspecified.") |
1bbd0b84 | 985 | #define FUNC_NAME s_scm_bind |
370312ae | 986 | { |
370312ae | 987 | struct sockaddr *soka; |
9c0129ac | 988 | size_t size; |
370312ae GH |
989 | int fd; |
990 | ||
78446828 | 991 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 992 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 993 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
994 | |
995 | if (address == SCM_UNDEFINED) | |
996 | /* No third argument was passed to FAM_OR_SOCKADDR must actually be a | |
997 | `socket address' object. */ | |
998 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
999 | else | |
1000 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
1001 | &args, 3, FUNC_NAME, &size); | |
1002 | ||
1003 | ||
439006bf GH |
1004 | if (bind (fd, soka, size) == -1) |
1005 | { | |
1006 | int save_errno = errno; | |
9c0129ac | 1007 | |
439006bf GH |
1008 | free (soka); |
1009 | errno = save_errno; | |
1bbd0b84 | 1010 | SCM_SYSERROR; |
439006bf GH |
1011 | } |
1012 | free (soka); | |
370312ae GH |
1013 | return SCM_UNSPECIFIED; |
1014 | } | |
1bbd0b84 | 1015 | #undef FUNC_NAME |
370312ae | 1016 | |
a1ec6916 | 1017 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 1018 | (SCM sock, SCM backlog), |
eefae538 | 1019 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
1020 | "requests. @var{backlog} is an integer specifying\n" |
1021 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
1022 | "If the queue fills, new clients will fail to connect until\n" |
1023 | "the server calls @code{accept} to accept a connection from\n" | |
1024 | "the queue.\n\n" | |
b380b885 | 1025 | "The return value is unspecified.") |
1bbd0b84 | 1026 | #define FUNC_NAME s_scm_listen |
370312ae GH |
1027 | { |
1028 | int fd; | |
78446828 | 1029 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1030 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1031 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 1032 | if (listen (fd, scm_to_int (backlog)) == -1) |
1bbd0b84 | 1033 | SCM_SYSERROR; |
370312ae GH |
1034 | return SCM_UNSPECIFIED; |
1035 | } | |
1bbd0b84 | 1036 | #undef FUNC_NAME |
370312ae GH |
1037 | |
1038 | /* Put the components of a sockaddr into a new SCM vector. */ | |
9c0129ac | 1039 | static SCM_C_INLINE_KEYWORD SCM |
f43f3620 LC |
1040 | _scm_from_sockaddr (const scm_t_max_sockaddr *address, unsigned addr_size, |
1041 | const char *proc) | |
0f2d19dd | 1042 | { |
f43f3620 LC |
1043 | SCM result = SCM_EOL; |
1044 | short int fam = ((struct sockaddr *) address)->sa_family; | |
439006bf | 1045 | |
5a525b84 | 1046 | switch (fam) |
0f2d19dd | 1047 | { |
5a525b84 GH |
1048 | case AF_INET: |
1049 | { | |
e1368a8d | 1050 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 1051 | |
1d1559ce | 1052 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
34d19ef6 | 1053 | |
4057a3e0 MV |
1054 | SCM_SIMPLE_VECTOR_SET(result, 0, |
1055 | scm_from_short (fam)); | |
1056 | SCM_SIMPLE_VECTOR_SET(result, 1, | |
1057 | scm_from_ulong (ntohl (nad->sin_addr.s_addr))); | |
1058 | SCM_SIMPLE_VECTOR_SET(result, 2, | |
1059 | scm_from_ushort (ntohs (nad->sin_port))); | |
5a525b84 GH |
1060 | } |
1061 | break; | |
a57a0b1e | 1062 | #ifdef HAVE_IPV6 |
5a525b84 GH |
1063 | case AF_INET6: |
1064 | { | |
e1368a8d | 1065 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 | 1066 | |
1d1559ce | 1067 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); |
4057a3e0 MV |
1068 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam)); |
1069 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_ipv6 (nad->sin6_addr.s6_addr)); | |
1070 | SCM_SIMPLE_VECTOR_SET(result, 2, scm_from_ushort (ntohs (nad->sin6_port))); | |
1071 | SCM_SIMPLE_VECTOR_SET(result, 3, scm_from_uint32 (nad->sin6_flowinfo)); | |
5a525b84 | 1072 | #ifdef HAVE_SIN6_SCOPE_ID |
4057a3e0 | 1073 | SCM_SIMPLE_VECTOR_SET(result, 4, scm_from_ulong (nad->sin6_scope_id)); |
5a525b84 | 1074 | #else |
4057a3e0 | 1075 | SCM_SIMPLE_VECTOR_SET(result, 4, SCM_INUM0); |
0e958795 | 1076 | #endif |
5a525b84 GH |
1077 | } |
1078 | break; | |
1079 | #endif | |
1080 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
1081 | case AF_UNIX: | |
1082 | { | |
e1368a8d | 1083 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 1084 | |
1d1559ce | 1085 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
34d19ef6 | 1086 | |
4057a3e0 | 1087 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam)); |
aca23b65 MV |
1088 | /* When addr_size is not enough to cover sun_path, do not try |
1089 | to access it. */ | |
1090 | if (addr_size <= offsetof (struct sockaddr_un, sun_path)) | |
4057a3e0 | 1091 | SCM_SIMPLE_VECTOR_SET(result, 1, SCM_BOOL_F); |
aca23b65 | 1092 | else |
4057a3e0 | 1093 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_locale_string (nad->sun_path)); |
5a525b84 GH |
1094 | } |
1095 | break; | |
1096 | #endif | |
1097 | default: | |
9c0129ac KR |
1098 | result = SCM_UNSPECIFIED; |
1099 | scm_misc_error (proc, "unrecognised address family: ~A", | |
e11e83f3 | 1100 | scm_list_1 (scm_from_int (fam))); |
9c0129ac | 1101 | |
0f2d19dd | 1102 | } |
1d1559ce | 1103 | return result; |
370312ae GH |
1104 | } |
1105 | ||
9c0129ac KR |
1106 | /* The publicly-visible function. Return a Scheme object representing |
1107 | ADDRESS, an address of ADDR_SIZE bytes. */ | |
1108 | SCM | |
1109 | scm_from_sockaddr (const struct sockaddr *address, unsigned addr_size) | |
1110 | { | |
f43f3620 LC |
1111 | return (_scm_from_sockaddr ((scm_t_max_sockaddr *) address, |
1112 | addr_size, "scm_from_sockaddr")); | |
9c0129ac KR |
1113 | } |
1114 | ||
1115 | /* Convert ADDRESS, an address object returned by either | |
1116 | `scm_from_sockaddr ()' or `scm_make_socket_address ()', into its C | |
1117 | representation. On success, a non-NULL pointer is returned and | |
1118 | ADDRESS_SIZE is updated to the actual size (in bytes) of the returned | |
1119 | address. The result must eventually be freed using `free ()'. */ | |
1120 | struct sockaddr * | |
1121 | scm_to_sockaddr (SCM address, size_t *address_size) | |
1122 | #define FUNC_NAME "scm_to_sockaddr" | |
1123 | { | |
1124 | short int family; | |
1125 | struct sockaddr *c_address = NULL; | |
1126 | ||
1127 | SCM_VALIDATE_VECTOR (1, address); | |
1128 | ||
1129 | *address_size = 0; | |
1130 | family = scm_to_short (SCM_SIMPLE_VECTOR_REF (address, 0)); | |
1131 | ||
1132 | switch (family) | |
1133 | { | |
1134 | case AF_INET: | |
1135 | { | |
1136 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 3) | |
1137 | scm_misc_error (FUNC_NAME, | |
1138 | "invalid inet address representation: ~A", | |
1139 | scm_list_1 (address)); | |
1140 | else | |
1141 | { | |
1142 | struct sockaddr_in c_inet; | |
1143 | ||
1144 | c_inet.sin_addr.s_addr = | |
1145 | htonl (scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 1))); | |
1146 | c_inet.sin_port = | |
1147 | htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2))); | |
1148 | c_inet.sin_family = AF_INET; | |
1149 | ||
1150 | *address_size = sizeof (c_inet); | |
1151 | c_address = scm_malloc (sizeof (c_inet)); | |
1152 | memcpy (c_address, &c_inet, sizeof (c_inet)); | |
1153 | } | |
1154 | ||
1155 | break; | |
1156 | } | |
1157 | ||
1158 | #ifdef HAVE_IPV6 | |
1159 | case AF_INET6: | |
1160 | { | |
1161 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 5) | |
1162 | scm_misc_error (FUNC_NAME, "invalid inet6 address representation: ~A", | |
1163 | scm_list_1 (address)); | |
1164 | else | |
1165 | { | |
1166 | struct sockaddr_in6 c_inet6; | |
1167 | ||
1ff4da65 NJ |
1168 | scm_to_ipv6 (c_inet6.sin6_addr.s6_addr, |
1169 | SCM_SIMPLE_VECTOR_REF (address, 1)); | |
9c0129ac KR |
1170 | c_inet6.sin6_port = |
1171 | htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2))); | |
1172 | c_inet6.sin6_flowinfo = | |
1173 | scm_to_uint32 (SCM_SIMPLE_VECTOR_REF (address, 3)); | |
1174 | #ifdef HAVE_SIN6_SCOPE_ID | |
1175 | c_inet6.sin6_scope_id = | |
1176 | scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 4)); | |
1177 | #endif | |
1178 | ||
1179 | c_inet6.sin6_family = AF_INET6; | |
1180 | ||
1181 | *address_size = sizeof (c_inet6); | |
1182 | c_address = scm_malloc (sizeof (c_inet6)); | |
1183 | memcpy (c_address, &c_inet6, sizeof (c_inet6)); | |
1184 | } | |
1185 | ||
1186 | break; | |
1187 | } | |
1188 | #endif | |
1189 | ||
1190 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
1191 | case AF_UNIX: | |
1192 | { | |
1193 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 2) | |
1194 | scm_misc_error (FUNC_NAME, "invalid unix address representation: ~A", | |
1195 | scm_list_1 (address)); | |
1196 | else | |
1197 | { | |
1198 | SCM path; | |
1199 | size_t path_len = 0; | |
1200 | ||
1201 | path = SCM_SIMPLE_VECTOR_REF (address, 1); | |
1202 | if ((!scm_is_string (path)) && (path != SCM_BOOL_F)) | |
1203 | scm_misc_error (FUNC_NAME, "invalid unix address " | |
1204 | "path: ~A", scm_list_1 (path)); | |
1205 | else | |
1206 | { | |
1207 | struct sockaddr_un c_unix; | |
1208 | ||
1209 | if (path == SCM_BOOL_F) | |
1210 | path_len = 0; | |
1211 | else | |
1212 | path_len = scm_c_string_length (path); | |
1213 | ||
1214 | #ifdef UNIX_PATH_MAX | |
1215 | if (path_len >= UNIX_PATH_MAX) | |
1216 | #else | |
1217 | /* We can hope that this limit will eventually vanish, at least on GNU. | |
1218 | However, currently, while glibc doesn't define `UNIX_PATH_MAX', it | |
1219 | documents it has being limited to 108 bytes. */ | |
1220 | if (path_len >= sizeof (c_unix.sun_path)) | |
1221 | #endif | |
1222 | scm_misc_error (FUNC_NAME, "unix address path " | |
1223 | "too long: ~A", scm_list_1 (path)); | |
1224 | else | |
1225 | { | |
1226 | if (path_len) | |
1227 | { | |
1228 | scm_to_locale_stringbuf (path, c_unix.sun_path, | |
1229 | #ifdef UNIX_PATH_MAX | |
1230 | UNIX_PATH_MAX); | |
1231 | #else | |
1232 | sizeof (c_unix.sun_path)); | |
1233 | #endif | |
1234 | c_unix.sun_path[path_len] = '\0'; | |
1235 | ||
1236 | /* Sanity check. */ | |
1237 | if (strlen (c_unix.sun_path) != path_len) | |
1238 | scm_misc_error (FUNC_NAME, "unix address path " | |
1239 | "contains nul characters: ~A", | |
1240 | scm_list_1 (path)); | |
1241 | } | |
1242 | else | |
1243 | c_unix.sun_path[0] = '\0'; | |
1244 | ||
1245 | c_unix.sun_family = AF_UNIX; | |
1246 | ||
1247 | *address_size = SUN_LEN (&c_unix); | |
1248 | c_address = scm_malloc (sizeof (c_unix)); | |
1249 | memcpy (c_address, &c_unix, sizeof (c_unix)); | |
1250 | } | |
1251 | } | |
1252 | } | |
1253 | ||
1254 | break; | |
1255 | } | |
1256 | #endif | |
1257 | ||
1258 | default: | |
1259 | scm_misc_error (FUNC_NAME, "unrecognised address family: ~A", | |
1260 | scm_list_1 (scm_from_ushort (family))); | |
1261 | } | |
1262 | ||
1263 | return c_address; | |
1264 | } | |
1265 | #undef FUNC_NAME | |
1266 | ||
1267 | ||
1268 | /* Return a newly-allocated `sockaddr' structure that reflects ADDRESS, being | |
1269 | an address of family FAMILY, with the family-specific parameters ARGS (see | |
1270 | the description of `connect' for details). The returned structure may be | |
1271 | freed using `free ()'. */ | |
1272 | struct sockaddr * | |
1273 | scm_c_make_socket_address (SCM family, SCM address, SCM args, | |
1274 | size_t *address_size) | |
1275 | { | |
9c0129ac KR |
1276 | struct sockaddr *soka; |
1277 | ||
1278 | soka = scm_fill_sockaddr (scm_to_ushort (family), address, &args, 1, | |
d7c6575f | 1279 | "scm_c_make_socket_address", address_size); |
9c0129ac KR |
1280 | |
1281 | return soka; | |
1282 | } | |
1283 | ||
1284 | SCM_DEFINE (scm_make_socket_address, "make-socket-address", 2, 0, 1, | |
1285 | (SCM family, SCM address, SCM args), | |
1286 | "Return a Scheme address object that reflects @var{address}, " | |
1287 | "being an address of family @var{family}, with the " | |
1288 | "family-specific parameters @var{args} (see the description of " | |
1289 | "@code{connect} for details).") | |
1290 | #define FUNC_NAME s_scm_make_socket_address | |
1291 | { | |
1ac5fb45 | 1292 | SCM result = SCM_BOOL_F; |
9c0129ac KR |
1293 | struct sockaddr *c_address; |
1294 | size_t c_address_size; | |
1295 | ||
1296 | c_address = scm_c_make_socket_address (family, address, args, | |
1297 | &c_address_size); | |
1ac5fb45 LC |
1298 | if (c_address != NULL) |
1299 | { | |
1300 | result = scm_from_sockaddr (c_address, c_address_size); | |
1301 | free (c_address); | |
1302 | } | |
9c0129ac | 1303 | |
1ac5fb45 | 1304 | return result; |
9c0129ac KR |
1305 | } |
1306 | #undef FUNC_NAME | |
1307 | ||
1308 | \f | |
a1ec6916 | 1309 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 1310 | (SCM sock), |
eefae538 GH |
1311 | "Accept a connection on a bound, listening socket.\n" |
1312 | "If there\n" | |
1313 | "are no pending connections in the queue, wait until\n" | |
1314 | "one is available unless the non-blocking option has been\n" | |
1315 | "set on the socket.\n\n" | |
b380b885 | 1316 | "The return value is a\n" |
eefae538 GH |
1317 | "pair in which the @emph{car} is a new socket port for the\n" |
1318 | "connection and\n" | |
1319 | "the @emph{cdr} is an object with address information about the\n" | |
1320 | "client which initiated the connection.\n\n" | |
1321 | "@var{sock} does not become part of the\n" | |
b380b885 | 1322 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1323 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1324 | { |
7d1fc872 | 1325 | int fd, selected; |
370312ae GH |
1326 | int newfd; |
1327 | SCM address; | |
1328 | SCM newsock; | |
7d1fc872 | 1329 | SELECT_TYPE readfds, exceptfds; |
5ee417fc | 1330 | socklen_t addr_size = MAX_ADDR_SIZE; |
f43f3620 | 1331 | scm_t_max_sockaddr addr; |
370312ae | 1332 | |
78446828 | 1333 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1334 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1335 | fd = SCM_FPORT_FDES (sock); |
7d1fc872 LC |
1336 | |
1337 | FD_ZERO (&readfds); | |
1338 | FD_ZERO (&exceptfds); | |
1339 | FD_SET (fd, &readfds); | |
1340 | FD_SET (fd, &exceptfds); | |
1341 | ||
1342 | /* Block until something happens on FD, leaving guile mode while | |
1343 | waiting. */ | |
1344 | selected = scm_std_select (fd + 1, &readfds, NULL, &exceptfds, | |
1345 | NULL); | |
1346 | if (selected < 0) | |
1347 | SCM_SYSERROR; | |
1348 | ||
f43f3620 | 1349 | newfd = accept (fd, (struct sockaddr *) &addr, &addr_size); |
439006bf GH |
1350 | if (newfd == -1) |
1351 | SCM_SYSERROR; | |
1352 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
f43f3620 LC |
1353 | address = _scm_from_sockaddr (&addr, addr_size, |
1354 | FUNC_NAME); | |
1355 | ||
370312ae | 1356 | return scm_cons (newsock, address); |
0f2d19dd | 1357 | } |
1bbd0b84 | 1358 | #undef FUNC_NAME |
0f2d19dd | 1359 | |
a1ec6916 | 1360 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1361 | (SCM sock), |
eefae538 | 1362 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1363 | "object returned by @code{accept}. On many systems the address\n" |
1364 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1365 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1366 | { |
370312ae | 1367 | int fd; |
5ee417fc | 1368 | socklen_t addr_size = MAX_ADDR_SIZE; |
f43f3620 | 1369 | scm_t_max_sockaddr addr; |
439006bf | 1370 | |
78446828 | 1371 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1372 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1373 | fd = SCM_FPORT_FDES (sock); |
f43f3620 | 1374 | if (getsockname (fd, (struct sockaddr *) &addr, &addr_size) == -1) |
1bbd0b84 | 1375 | SCM_SYSERROR; |
f43f3620 LC |
1376 | |
1377 | return _scm_from_sockaddr (&addr, addr_size, FUNC_NAME); | |
0f2d19dd | 1378 | } |
1bbd0b84 | 1379 | #undef FUNC_NAME |
0f2d19dd | 1380 | |
a1ec6916 | 1381 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1382 | (SCM sock), |
eefae538 | 1383 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1384 | "is connected to, in the same form as the object returned by\n" |
1385 | "@code{accept}. On many systems the address of a socket in the\n" | |
1386 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1387 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1388 | { |
370312ae | 1389 | int fd; |
5ee417fc | 1390 | socklen_t addr_size = MAX_ADDR_SIZE; |
f43f3620 | 1391 | scm_t_max_sockaddr addr; |
439006bf | 1392 | |
78446828 | 1393 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1394 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1395 | fd = SCM_FPORT_FDES (sock); |
f43f3620 | 1396 | if (getpeername (fd, (struct sockaddr *) &addr, &addr_size) == -1) |
1bbd0b84 | 1397 | SCM_SYSERROR; |
f43f3620 LC |
1398 | |
1399 | return _scm_from_sockaddr (&addr, addr_size, FUNC_NAME); | |
0f2d19dd | 1400 | } |
1bbd0b84 | 1401 | #undef FUNC_NAME |
0f2d19dd | 1402 | |
a1ec6916 | 1403 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1404 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1405 | "Receive data from a socket port.\n" |
1406 | "@var{sock} must already\n" | |
b380b885 MD |
1407 | "be bound to the address from which data is to be received.\n" |
1408 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1409 | "the data will be written. The size of @var{buf} limits\n" |
1410 | "the amount of\n" | |
b380b885 | 1411 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1412 | "protocols, if a packet larger than this limit is encountered\n" |
1413 | "then some data\n" | |
b380b885 | 1414 | "will be irrevocably lost.\n\n" |
587a3355 MG |
1415 | "The data is assumed to be binary, and there is no decoding of\n" |
1416 | "of locale-encoded strings.\n\n" | |
b380b885 MD |
1417 | "The optional @var{flags} argument is a value or\n" |
1418 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1419 | "The value returned is the number of bytes read from the\n" |
1420 | "socket.\n\n" | |
1421 | "Note that the data is read directly from the socket file\n" | |
1422 | "descriptor:\n" | |
09831f94 | 1423 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1424 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1425 | { |
370312ae GH |
1426 | int rv; |
1427 | int fd; | |
1428 | int flg; | |
cc95e00a MV |
1429 | char *dest; |
1430 | size_t len; | |
587a3355 | 1431 | SCM msg; |
370312ae | 1432 | |
34d19ef6 HWN |
1433 | SCM_VALIDATE_OPFPORT (1, sock); |
1434 | SCM_VALIDATE_STRING (2, buf); | |
7cee5b31 MV |
1435 | if (SCM_UNBNDP (flags)) |
1436 | flg = 0; | |
1437 | else | |
1438 | flg = scm_to_int (flags); | |
ee149d03 | 1439 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1440 | |
587a3355 MG |
1441 | len = scm_i_string_length (buf); |
1442 | msg = scm_i_make_string (len, &dest); | |
cc95e00a | 1443 | SCM_SYSCALL (rv = recv (fd, dest, len, flg)); |
587a3355 MG |
1444 | scm_string_copy_x (buf, scm_from_int (0), |
1445 | msg, scm_from_int (0), scm_from_size_t (len)); | |
cc95e00a | 1446 | |
370312ae | 1447 | if (rv == -1) |
1bbd0b84 | 1448 | SCM_SYSERROR; |
370312ae | 1449 | |
587a3355 | 1450 | scm_remember_upto_here_2 (buf, msg); |
7cee5b31 | 1451 | return scm_from_int (rv); |
370312ae | 1452 | } |
1bbd0b84 | 1453 | #undef FUNC_NAME |
370312ae | 1454 | |
a1ec6916 | 1455 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1456 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1457 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1458 | "@var{sock} must already be bound to a destination address. The\n" | |
1459 | "value returned is the number of bytes transmitted --\n" | |
1460 | "it's possible for\n" | |
1461 | "this to be less than the length of @var{message}\n" | |
1462 | "if the socket is\n" | |
1463 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1464 | "is a value or\n" | |
b380b885 | 1465 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1466 | "Note that the data is written directly to the socket\n" |
1467 | "file descriptor:\n" | |
587a3355 MG |
1468 | "any unflushed buffered port data is ignored.\n\n" |
1469 | "This operation is defined only for strings containing codepoints\n" | |
1470 | "zero to 255.") | |
1bbd0b84 | 1471 | #define FUNC_NAME s_scm_send |
370312ae GH |
1472 | { |
1473 | int rv; | |
1474 | int fd; | |
1475 | int flg; | |
587a3355 | 1476 | char *src; |
cc95e00a | 1477 | size_t len; |
370312ae | 1478 | |
78446828 | 1479 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1480 | SCM_VALIDATE_OPFPORT (1, sock); |
a6d9e5ab | 1481 | SCM_VALIDATE_STRING (2, message); |
587a3355 MG |
1482 | |
1483 | /* If the string is wide, see if it can be coerced into | |
1484 | a narrow string. */ | |
1485 | if (!scm_i_is_narrow_string (message) | |
1486 | || scm_i_try_narrow_string (message)) | |
1487 | SCM_MISC_ERROR ("the message string is not 8-bit: ~s", | |
1488 | scm_list_1 (message)); | |
1489 | ||
7cee5b31 MV |
1490 | if (SCM_UNBNDP (flags)) |
1491 | flg = 0; | |
1492 | else | |
1493 | flg = scm_to_int (flags); | |
ee149d03 | 1494 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1495 | |
cc95e00a | 1496 | len = scm_i_string_length (message); |
9c44cd45 | 1497 | message = scm_i_string_start_writing (message); |
cc95e00a MV |
1498 | src = scm_i_string_writable_chars (message); |
1499 | SCM_SYSCALL (rv = send (fd, src, len, flg)); | |
1500 | scm_i_string_stop_writing (); | |
1501 | ||
370312ae | 1502 | if (rv == -1) |
1bbd0b84 | 1503 | SCM_SYSERROR; |
396e5506 MV |
1504 | |
1505 | scm_remember_upto_here_1 (message); | |
7cee5b31 | 1506 | return scm_from_int (rv); |
370312ae | 1507 | } |
1bbd0b84 | 1508 | #undef FUNC_NAME |
370312ae | 1509 | |
a1ec6916 | 1510 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1511 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
8ab3d8a0 KR |
1512 | "Receive data from socket port @var{sock} (which must be already\n" |
1513 | "bound), returning the originating address as well as the data.\n" | |
1514 | "This is usually for use on datagram sockets, but can be used on\n" | |
1515 | "stream-oriented sockets too.\n" | |
1516 | "\n" | |
1517 | "The data received is stored in the given @var{str}, using\n" | |
1518 | "either the whole string or just the region between the optional\n" | |
1519 | "@var{start} and @var{end} positions. The size of @var{str}\n" | |
1520 | "limits the amount of data which can be received. For datagram\n" | |
1521 | "protocols, if a packet larger than this is received then excess\n" | |
1522 | "bytes are irrevocably lost.\n" | |
1523 | "\n" | |
1524 | "The return value is a pair. The @code{car} is the number of\n" | |
1525 | "bytes read. The @code{cdr} is a socket address object which is\n" | |
1526 | "where the data come from, or @code{#f} if the origin is\n" | |
1527 | "unknown.\n" | |
1528 | "\n" | |
1529 | "The optional @var{flags} argument is a or bitwise OR\n" | |
1530 | "(@code{logior}) of @code{MSG_OOB}, @code{MSG_PEEK},\n" | |
1531 | "@code{MSG_DONTROUTE} etc.\n" | |
1532 | "\n" | |
1533 | "Data is read directly from the socket file descriptor, any\n" | |
1534 | "buffered port data is ignored.\n" | |
1535 | "\n" | |
1536 | "On a GNU/Linux system @code{recvfrom!} is not multi-threading,\n" | |
1537 | "all threads stop while a @code{recvfrom!} call is in progress.\n" | |
1538 | "An application may need to use @code{select}, @code{O_NONBLOCK}\n" | |
1539 | "or @code{MSG_DONTWAIT} to avoid this.") | |
1bbd0b84 | 1540 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1541 | { |
1542 | int rv; | |
1543 | int fd; | |
1544 | int flg; | |
60d02d09 | 1545 | char *buf; |
396e5506 MV |
1546 | size_t offset; |
1547 | size_t cend; | |
370312ae | 1548 | SCM address; |
5ee417fc | 1549 | socklen_t addr_size = MAX_ADDR_SIZE; |
f43f3620 | 1550 | scm_t_max_sockaddr addr; |
370312ae | 1551 | |
34d19ef6 | 1552 | SCM_VALIDATE_OPFPORT (1, sock); |
60d02d09 | 1553 | fd = SCM_FPORT_FDES (sock); |
396e5506 MV |
1554 | |
1555 | SCM_VALIDATE_STRING (2, str); | |
cc95e00a | 1556 | scm_i_get_substring_spec (scm_i_string_length (str), |
396e5506 MV |
1557 | start, &offset, end, &cend); |
1558 | ||
1146b6cd GH |
1559 | if (SCM_UNBNDP (flags)) |
1560 | flg = 0; | |
370312ae | 1561 | else |
60d02d09 | 1562 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1563 | |
97d0e20b GH |
1564 | /* recvfrom will not necessarily return an address. usually nothing |
1565 | is returned for stream sockets. */ | |
9c44cd45 | 1566 | str = scm_i_string_start_writing (str); |
cc95e00a | 1567 | buf = scm_i_string_writable_chars (str); |
f43f3620 | 1568 | ((struct sockaddr *) &addr)->sa_family = AF_UNSPEC; |
60d02d09 | 1569 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1570 | cend - offset, flg, |
f43f3620 | 1571 | (struct sockaddr *) &addr, &addr_size)); |
cc95e00a MV |
1572 | scm_i_string_stop_writing (); |
1573 | ||
370312ae | 1574 | if (rv == -1) |
1bbd0b84 | 1575 | SCM_SYSERROR; |
f43f3620 LC |
1576 | if (((struct sockaddr *) &addr)->sa_family != AF_UNSPEC) |
1577 | address = _scm_from_sockaddr (&addr, addr_size, FUNC_NAME); | |
370312ae GH |
1578 | else |
1579 | address = SCM_BOOL_F; | |
1580 | ||
396e5506 | 1581 | scm_remember_upto_here_1 (str); |
f43f3620 | 1582 | |
e11e83f3 | 1583 | return scm_cons (scm_from_int (rv), address); |
0f2d19dd | 1584 | } |
1bbd0b84 | 1585 | #undef FUNC_NAME |
0f2d19dd | 1586 | |
9c0129ac KR |
1587 | SCM_DEFINE (scm_sendto, "sendto", 3, 1, 1, |
1588 | (SCM sock, SCM message, SCM fam_or_sockaddr, SCM address, SCM args_and_flags), | |
eefae538 GH |
1589 | "Transmit the string @var{message} on the socket port\n" |
1590 | "@var{sock}. The\n" | |
1591 | "destination address is specified using the @var{fam},\n" | |
1592 | "@var{address} and\n" | |
9c0129ac KR |
1593 | "@var{args_and_flags} arguments, or just a socket address object " |
1594 | "returned by @code{make-socket-address}, in a similar way to the\n" | |
eefae538 GH |
1595 | "@code{connect} procedure. @var{args_and_flags} contains\n" |
1596 | "the usual connection arguments optionally followed by\n" | |
1597 | "a flags argument, which is a value or\n" | |
b380b885 | 1598 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1599 | "The value returned is the number of bytes transmitted --\n" |
1600 | "it's possible for\n" | |
1601 | "this to be less than the length of @var{message} if the\n" | |
1602 | "socket is\n" | |
1603 | "set to be non-blocking.\n" | |
1604 | "Note that the data is written directly to the socket\n" | |
1605 | "file descriptor:\n" | |
587a3355 MG |
1606 | "any unflushed buffered port data is ignored.\n" |
1607 | "This operation is defined only for strings containing codepoints\n" | |
1608 | "zero to 255.") | |
1bbd0b84 | 1609 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1610 | { |
1611 | int rv; | |
1612 | int fd; | |
1613 | int flg; | |
1614 | struct sockaddr *soka; | |
9c0129ac | 1615 | size_t size; |
370312ae | 1616 | |
78446828 | 1617 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1618 | SCM_VALIDATE_FPORT (1, sock); |
a6d9e5ab | 1619 | SCM_VALIDATE_STRING (2, message); |
ee149d03 | 1620 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
1621 | |
1622 | if (!scm_is_number (fam_or_sockaddr)) | |
1623 | { | |
1624 | /* FAM_OR_SOCKADDR must actually be a `socket address' object. This | |
1625 | means that the following arguments, i.e. ADDRESS and those listed in | |
1626 | ARGS_AND_FLAGS, are the `MSG_' flags. */ | |
1627 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
1628 | if (address != SCM_UNDEFINED) | |
1629 | args_and_flags = scm_cons (address, args_and_flags); | |
1630 | } | |
1631 | else | |
1632 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
1633 | &args_and_flags, 3, FUNC_NAME, &size); | |
1634 | ||
d2e53ed6 | 1635 | if (scm_is_null (args_and_flags)) |
370312ae GH |
1636 | flg = 0; |
1637 | else | |
1638 | { | |
34d19ef6 | 1639 | SCM_VALIDATE_CONS (5, args_and_flags); |
e4b265d8 | 1640 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1641 | } |
396e5506 | 1642 | SCM_SYSCALL (rv = sendto (fd, |
cc95e00a MV |
1643 | scm_i_string_chars (message), |
1644 | scm_i_string_length (message), | |
ae2fa5bc | 1645 | flg, soka, size)); |
370312ae | 1646 | if (rv == -1) |
439006bf GH |
1647 | { |
1648 | int save_errno = errno; | |
1649 | free (soka); | |
1650 | errno = save_errno; | |
1651 | SCM_SYSERROR; | |
1652 | } | |
1653 | free (soka); | |
396e5506 MV |
1654 | |
1655 | scm_remember_upto_here_1 (message); | |
e11e83f3 | 1656 | return scm_from_int (rv); |
370312ae | 1657 | } |
1bbd0b84 | 1658 | #undef FUNC_NAME |
370312ae GH |
1659 | \f |
1660 | ||
1661 | ||
1662 | void | |
0f2d19dd | 1663 | scm_init_socket () |
0f2d19dd | 1664 | { |
370312ae GH |
1665 | /* protocol families. */ |
1666 | #ifdef AF_UNSPEC | |
e11e83f3 | 1667 | scm_c_define ("AF_UNSPEC", scm_from_int (AF_UNSPEC)); |
370312ae GH |
1668 | #endif |
1669 | #ifdef AF_UNIX | |
e11e83f3 | 1670 | scm_c_define ("AF_UNIX", scm_from_int (AF_UNIX)); |
370312ae GH |
1671 | #endif |
1672 | #ifdef AF_INET | |
e11e83f3 | 1673 | scm_c_define ("AF_INET", scm_from_int (AF_INET)); |
370312ae | 1674 | #endif |
3453619b | 1675 | #ifdef AF_INET6 |
e11e83f3 | 1676 | scm_c_define ("AF_INET6", scm_from_int (AF_INET6)); |
3453619b | 1677 | #endif |
370312ae GH |
1678 | |
1679 | #ifdef PF_UNSPEC | |
e11e83f3 | 1680 | scm_c_define ("PF_UNSPEC", scm_from_int (PF_UNSPEC)); |
370312ae GH |
1681 | #endif |
1682 | #ifdef PF_UNIX | |
e11e83f3 | 1683 | scm_c_define ("PF_UNIX", scm_from_int (PF_UNIX)); |
370312ae GH |
1684 | #endif |
1685 | #ifdef PF_INET | |
e11e83f3 | 1686 | scm_c_define ("PF_INET", scm_from_int (PF_INET)); |
370312ae | 1687 | #endif |
3453619b | 1688 | #ifdef PF_INET6 |
e11e83f3 | 1689 | scm_c_define ("PF_INET6", scm_from_int (PF_INET6)); |
3453619b | 1690 | #endif |
370312ae | 1691 | |
66c73b76 GH |
1692 | /* standard addresses. */ |
1693 | #ifdef INADDR_ANY | |
b9bd8526 | 1694 | scm_c_define ("INADDR_ANY", scm_from_ulong (INADDR_ANY)); |
66c73b76 GH |
1695 | #endif |
1696 | #ifdef INADDR_BROADCAST | |
b9bd8526 | 1697 | scm_c_define ("INADDR_BROADCAST", scm_from_ulong (INADDR_BROADCAST)); |
66c73b76 GH |
1698 | #endif |
1699 | #ifdef INADDR_NONE | |
b9bd8526 | 1700 | scm_c_define ("INADDR_NONE", scm_from_ulong (INADDR_NONE)); |
66c73b76 GH |
1701 | #endif |
1702 | #ifdef INADDR_LOOPBACK | |
b9bd8526 | 1703 | scm_c_define ("INADDR_LOOPBACK", scm_from_ulong (INADDR_LOOPBACK)); |
66c73b76 GH |
1704 | #endif |
1705 | ||
6f637a1b KR |
1706 | /* socket types. |
1707 | ||
1708 | SOCK_PACKET is deliberately omitted, the GNU/Linux socket(2) and | |
1709 | packet(7) advise that it's obsolete and strongly deprecated. */ | |
1710 | ||
370312ae | 1711 | #ifdef SOCK_STREAM |
e11e83f3 | 1712 | scm_c_define ("SOCK_STREAM", scm_from_int (SOCK_STREAM)); |
370312ae GH |
1713 | #endif |
1714 | #ifdef SOCK_DGRAM | |
e11e83f3 | 1715 | scm_c_define ("SOCK_DGRAM", scm_from_int (SOCK_DGRAM)); |
370312ae | 1716 | #endif |
6f637a1b KR |
1717 | #ifdef SOCK_SEQPACKET |
1718 | scm_c_define ("SOCK_SEQPACKET", scm_from_int (SOCK_SEQPACKET)); | |
1719 | #endif | |
370312ae | 1720 | #ifdef SOCK_RAW |
e11e83f3 | 1721 | scm_c_define ("SOCK_RAW", scm_from_int (SOCK_RAW)); |
370312ae | 1722 | #endif |
6f637a1b KR |
1723 | #ifdef SOCK_RDM |
1724 | scm_c_define ("SOCK_RDM", scm_from_int (SOCK_RDM)); | |
1725 | #endif | |
370312ae | 1726 | |
8fae2bf4 KR |
1727 | /* setsockopt level. |
1728 | ||
1729 | SOL_IP, SOL_TCP and SOL_UDP are defined on gnu/linux, but not on for | |
1730 | instance NetBSD. We define IPPROTOs because that's what the posix spec | |
1731 | shows in its example at | |
1732 | ||
1733 | http://www.opengroup.org/onlinepubs/007904975/functions/getsockopt.html | |
1734 | */ | |
370312ae | 1735 | #ifdef SOL_SOCKET |
e11e83f3 | 1736 | scm_c_define ("SOL_SOCKET", scm_from_int (SOL_SOCKET)); |
370312ae | 1737 | #endif |
8fae2bf4 KR |
1738 | #ifdef IPPROTO_IP |
1739 | scm_c_define ("IPPROTO_IP", scm_from_int (IPPROTO_IP)); | |
370312ae | 1740 | #endif |
8fae2bf4 KR |
1741 | #ifdef IPPROTO_TCP |
1742 | scm_c_define ("IPPROTO_TCP", scm_from_int (IPPROTO_TCP)); | |
370312ae | 1743 | #endif |
8fae2bf4 KR |
1744 | #ifdef IPPROTO_UDP |
1745 | scm_c_define ("IPPROTO_UDP", scm_from_int (IPPROTO_UDP)); | |
370312ae GH |
1746 | #endif |
1747 | ||
1748 | /* setsockopt names. */ | |
1749 | #ifdef SO_DEBUG | |
e11e83f3 | 1750 | scm_c_define ("SO_DEBUG", scm_from_int (SO_DEBUG)); |
370312ae GH |
1751 | #endif |
1752 | #ifdef SO_REUSEADDR | |
e11e83f3 | 1753 | scm_c_define ("SO_REUSEADDR", scm_from_int (SO_REUSEADDR)); |
370312ae GH |
1754 | #endif |
1755 | #ifdef SO_STYLE | |
e11e83f3 | 1756 | scm_c_define ("SO_STYLE", scm_from_int (SO_STYLE)); |
370312ae GH |
1757 | #endif |
1758 | #ifdef SO_TYPE | |
e11e83f3 | 1759 | scm_c_define ("SO_TYPE", scm_from_int (SO_TYPE)); |
370312ae GH |
1760 | #endif |
1761 | #ifdef SO_ERROR | |
e11e83f3 | 1762 | scm_c_define ("SO_ERROR", scm_from_int (SO_ERROR)); |
370312ae GH |
1763 | #endif |
1764 | #ifdef SO_DONTROUTE | |
e11e83f3 | 1765 | scm_c_define ("SO_DONTROUTE", scm_from_int (SO_DONTROUTE)); |
370312ae GH |
1766 | #endif |
1767 | #ifdef SO_BROADCAST | |
e11e83f3 | 1768 | scm_c_define ("SO_BROADCAST", scm_from_int (SO_BROADCAST)); |
370312ae GH |
1769 | #endif |
1770 | #ifdef SO_SNDBUF | |
e11e83f3 | 1771 | scm_c_define ("SO_SNDBUF", scm_from_int (SO_SNDBUF)); |
370312ae GH |
1772 | #endif |
1773 | #ifdef SO_RCVBUF | |
e11e83f3 | 1774 | scm_c_define ("SO_RCVBUF", scm_from_int (SO_RCVBUF)); |
370312ae GH |
1775 | #endif |
1776 | #ifdef SO_KEEPALIVE | |
e11e83f3 | 1777 | scm_c_define ("SO_KEEPALIVE", scm_from_int (SO_KEEPALIVE)); |
370312ae GH |
1778 | #endif |
1779 | #ifdef SO_OOBINLINE | |
e11e83f3 | 1780 | scm_c_define ("SO_OOBINLINE", scm_from_int (SO_OOBINLINE)); |
370312ae GH |
1781 | #endif |
1782 | #ifdef SO_NO_CHECK | |
e11e83f3 | 1783 | scm_c_define ("SO_NO_CHECK", scm_from_int (SO_NO_CHECK)); |
370312ae GH |
1784 | #endif |
1785 | #ifdef SO_PRIORITY | |
e11e83f3 | 1786 | scm_c_define ("SO_PRIORITY", scm_from_int (SO_PRIORITY)); |
370312ae GH |
1787 | #endif |
1788 | #ifdef SO_LINGER | |
e11e83f3 | 1789 | scm_c_define ("SO_LINGER", scm_from_int (SO_LINGER)); |
370312ae GH |
1790 | #endif |
1791 | ||
1792 | /* recv/send options. */ | |
8ab3d8a0 KR |
1793 | #ifdef MSG_DONTWAIT |
1794 | scm_c_define ("MSG_DONTWAIT", scm_from_int (MSG_DONTWAIT)); | |
1795 | #endif | |
370312ae | 1796 | #ifdef MSG_OOB |
e11e83f3 | 1797 | scm_c_define ("MSG_OOB", scm_from_int (MSG_OOB)); |
370312ae GH |
1798 | #endif |
1799 | #ifdef MSG_PEEK | |
e11e83f3 | 1800 | scm_c_define ("MSG_PEEK", scm_from_int (MSG_PEEK)); |
370312ae GH |
1801 | #endif |
1802 | #ifdef MSG_DONTROUTE | |
e11e83f3 | 1803 | scm_c_define ("MSG_DONTROUTE", scm_from_int (MSG_DONTROUTE)); |
370312ae GH |
1804 | #endif |
1805 | ||
b4e15479 SJ |
1806 | #ifdef __MINGW32__ |
1807 | scm_i_init_socket_Win32 (); | |
1808 | #endif | |
1809 | ||
1c80707c MV |
1810 | #ifdef IP_ADD_MEMBERSHIP |
1811 | scm_c_define ("IP_ADD_MEMBERSHIP", scm_from_int (IP_ADD_MEMBERSHIP)); | |
1812 | scm_c_define ("IP_DROP_MEMBERSHIP", scm_from_int (IP_DROP_MEMBERSHIP)); | |
1813 | #endif | |
1814 | ||
0f2d19dd | 1815 | scm_add_feature ("socket"); |
370312ae | 1816 | |
a0599745 | 1817 | #include "libguile/socket.x" |
0f2d19dd JB |
1818 | } |
1819 | ||
89e00824 ML |
1820 | |
1821 | /* | |
1822 | Local Variables: | |
1823 | c-file-style: "gnu" | |
1824 | End: | |
1825 | */ |