Commit | Line | Data |
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09270afd | 1 | /* Copyright (C) 1996,1997,1998,2000,2001, 2002, 2003, 2004 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 | |
15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
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 | ||
439006bf GH |
70 | /* we are not currently using socklen_t. it's not defined on all systems, |
71 | so would need to be checked by configure. in the meantime, plain | |
72 | int is the best alternative. */ | |
73 | ||
0f2d19dd JB |
74 | \f |
75 | ||
a1ec6916 | 76 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
77 | (SCM value), |
78 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
79 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
80 | "and returned as a new integer.") | |
1bbd0b84 | 81 | #define FUNC_NAME s_scm_htons |
5c11cc9d | 82 | { |
7cee5b31 | 83 | return scm_from_ushort (htons (scm_to_ushort (value))); |
5c11cc9d | 84 | } |
1bbd0b84 | 85 | #undef FUNC_NAME |
5c11cc9d | 86 | |
a1ec6916 | 87 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
88 | (SCM value), |
89 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
90 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
91 | "and returned as a new integer.") | |
1bbd0b84 | 92 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d | 93 | { |
7cee5b31 | 94 | return scm_from_ushort (ntohs (scm_to_ushort (value))); |
5c11cc9d | 95 | } |
1bbd0b84 | 96 | #undef FUNC_NAME |
5c11cc9d | 97 | |
a1ec6916 | 98 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
99 | (SCM value), |
100 | "Convert a 32 bit quantity from host to network byte ordering.\n" | |
101 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
102 | "and returned as a new integer.") | |
1bbd0b84 | 103 | #define FUNC_NAME s_scm_htonl |
5c11cc9d | 104 | { |
eccde741 | 105 | scm_t_uint32 c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 106 | |
b9bd8526 | 107 | return scm_from_ulong (htonl (c_in)); |
5c11cc9d | 108 | } |
1bbd0b84 | 109 | #undef FUNC_NAME |
5c11cc9d | 110 | |
a1ec6916 | 111 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
112 | (SCM value), |
113 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
114 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
115 | "and returned as a new integer.") | |
1bbd0b84 | 116 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 117 | { |
eccde741 | 118 | scm_t_uint32 c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 119 | |
b9bd8526 | 120 | return scm_from_ulong (ntohl (c_in)); |
5c11cc9d | 121 | } |
1bbd0b84 | 122 | #undef FUNC_NAME |
5c11cc9d | 123 | |
66c73b76 GH |
124 | #ifndef HAVE_INET_ATON |
125 | /* for our definition in inet_aton.c, not usually needed. */ | |
126 | extern int inet_aton (); | |
127 | #endif | |
128 | ||
129 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
130 | (SCM address), | |
eefae538 GH |
131 | "Convert an IPv4 Internet address from printable string\n" |
132 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
133 | "@lisp\n" |
134 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
135 | "@end lisp") | |
136 | #define FUNC_NAME s_scm_inet_aton | |
137 | { | |
138 | struct in_addr soka; | |
396e5506 MV |
139 | char *c_address; |
140 | int rv; | |
66c73b76 | 141 | |
396e5506 MV |
142 | c_address = scm_to_locale_string (address); |
143 | rv = inet_aton (c_address, &soka); | |
144 | free (c_address); | |
145 | if (rv == 0) | |
66c73b76 | 146 | SCM_MISC_ERROR ("bad address", SCM_EOL); |
b9bd8526 | 147 | return scm_from_ulong (ntohl (soka.s_addr)); |
66c73b76 GH |
148 | } |
149 | #undef FUNC_NAME | |
150 | ||
151 | ||
152 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
153 | (SCM inetid), | |
eefae538 GH |
154 | "Convert an IPv4 Internet address to a printable\n" |
155 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
156 | "@lisp\n" |
157 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
158 | "@end lisp") | |
159 | #define FUNC_NAME s_scm_inet_ntoa | |
160 | { | |
161 | struct in_addr addr; | |
162 | char *s; | |
163 | SCM answer; | |
164 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
165 | s = inet_ntoa (addr); | |
36284627 | 166 | answer = scm_mem2string (s, strlen (s)); |
66c73b76 GH |
167 | return answer; |
168 | } | |
169 | #undef FUNC_NAME | |
170 | ||
171 | #ifdef HAVE_INET_NETOF | |
172 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
173 | (SCM address), | |
eefae538 GH |
174 | "Return the network number part of the given IPv4\n" |
175 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
176 | "@lisp\n" |
177 | "(inet-netof 2130706433) @result{} 127\n" | |
178 | "@end lisp") | |
179 | #define FUNC_NAME s_scm_inet_netof | |
180 | { | |
181 | struct in_addr addr; | |
182 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 183 | return scm_from_ulong (inet_netof (addr)); |
66c73b76 GH |
184 | } |
185 | #undef FUNC_NAME | |
186 | #endif | |
187 | ||
188 | #ifdef HAVE_INET_LNAOF | |
189 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
190 | (SCM address), | |
191 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
192 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
193 | "E.g.,\n\n" | |
66c73b76 GH |
194 | "@lisp\n" |
195 | "(inet-lnaof 2130706433) @result{} 1\n" | |
196 | "@end lisp") | |
197 | #define FUNC_NAME s_scm_lnaof | |
198 | { | |
199 | struct in_addr addr; | |
200 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 201 | return scm_from_ulong (inet_lnaof (addr)); |
66c73b76 GH |
202 | } |
203 | #undef FUNC_NAME | |
204 | #endif | |
205 | ||
206 | #ifdef HAVE_INET_MAKEADDR | |
207 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
208 | (SCM net, SCM lna), | |
eefae538 | 209 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 210 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 211 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
212 | "@lisp\n" |
213 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
214 | "@end lisp") | |
215 | #define FUNC_NAME s_scm_inet_makeaddr | |
216 | { | |
217 | struct in_addr addr; | |
218 | unsigned long netnum; | |
219 | unsigned long lnanum; | |
220 | ||
221 | netnum = SCM_NUM2ULONG (1, net); | |
222 | lnanum = SCM_NUM2ULONG (2, lna); | |
223 | addr = inet_makeaddr (netnum, lnanum); | |
b9bd8526 | 224 | return scm_from_ulong (ntohl (addr.s_addr)); |
66c73b76 GH |
225 | } |
226 | #undef FUNC_NAME | |
227 | #endif | |
228 | ||
a57a0b1e | 229 | #ifdef HAVE_IPV6 |
eefae538 | 230 | |
66c73b76 GH |
231 | /* flip a 128 bit IPv6 address between host and network order. */ |
232 | #ifdef WORDS_BIGENDIAN | |
233 | #define FLIP_NET_HOST_128(addr) | |
234 | #else | |
235 | #define FLIP_NET_HOST_128(addr)\ | |
236 | {\ | |
237 | int i;\ | |
238 | \ | |
239 | for (i = 0; i < 8; i++)\ | |
240 | {\ | |
2de4f939 | 241 | scm_t_uint8 c = (addr)[i];\ |
66c73b76 GH |
242 | \ |
243 | (addr)[i] = (addr)[15 - i];\ | |
244 | (addr)[15 - i] = c;\ | |
245 | }\ | |
246 | } | |
247 | #endif | |
248 | ||
2de4f939 RB |
249 | #ifdef WORDS_BIGENDIAN |
250 | #define FLIPCPY_NET_HOST_128(dest, src) memcpy (dest, src, 16) | |
251 | #else | |
252 | #define FLIPCPY_NET_HOST_128(dest, src) \ | |
253 | { \ | |
254 | const scm_t_uint8 *tmp_srcp = (src) + 15; \ | |
255 | scm_t_uint8 *tmp_destp = (dest); \ | |
256 | \ | |
257 | do { \ | |
258 | *tmp_destp++ = *tmp_srcp--; \ | |
259 | } while (tmp_srcp != (src)); \ | |
260 | } | |
261 | #endif | |
262 | ||
263 | ||
7310ad0c | 264 | #if (SIZEOF_SCM_T_BITS * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
265 | #error "Assumption that scm_t_bits <= 128 bits has been violated." |
266 | #endif | |
267 | ||
7310ad0c | 268 | #if (SIZEOF_UNSIGNED_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
269 | #error "Assumption that unsigned long <= 128 bits has been violated." |
270 | #endif | |
271 | ||
7310ad0c | 272 | #if (SIZEOF_UNSIGNED_LONG_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
273 | #error "Assumption that unsigned long long <= 128 bits has been violated." |
274 | #endif | |
275 | ||
66c73b76 GH |
276 | /* convert a 128 bit IPv6 address in network order to a host ordered |
277 | SCM integer. */ | |
7cee5b31 MV |
278 | static SCM |
279 | scm_from_ipv6 (const scm_t_uint8 *src) | |
66c73b76 | 280 | { |
2de4f939 RB |
281 | int i = 0; |
282 | const scm_t_uint8 *ptr = src; | |
283 | int num_zero_bytes = 0; | |
284 | scm_t_uint8 addr[16]; | |
66c73b76 | 285 | |
2de4f939 RB |
286 | /* count leading zeros (since we know it's bigendian, they'll be first) */ |
287 | while (i < 16) | |
66c73b76 | 288 | { |
2de4f939 RB |
289 | if (*ptr) break; |
290 | num_zero_bytes++; | |
291 | i++; | |
292 | } | |
66c73b76 | 293 | |
2de4f939 RB |
294 | if (SCM_SIZEOF_UNSIGNED_LONG_LONG != 0) /* compiler should optimize this */ |
295 | { | |
296 | if ((16 - num_zero_bytes) <= sizeof (unsigned long long)) | |
297 | { | |
298 | /* it fits */ | |
299 | unsigned long long x; | |
300 | ||
301 | FLIPCPY_NET_HOST_128(addr, src); | |
302 | #ifdef WORDS_BIGENDIAN | |
303 | memcpy (&x, addr + (16 - sizeof (x)), sizeof (x)); | |
304 | #else | |
305 | memcpy (&x, addr, sizeof (x)); | |
306 | #endif | |
b9bd8526 | 307 | return scm_from_ulong_long (x); |
2de4f939 | 308 | } |
66c73b76 GH |
309 | } |
310 | else | |
311 | { | |
2de4f939 RB |
312 | if ((16 - num_zero_bytes) <= sizeof (unsigned long)) |
313 | { | |
314 | /* this is just so that we use INUM where possible. */ | |
315 | unsigned long x; | |
316 | ||
317 | FLIPCPY_NET_HOST_128(addr, src); | |
318 | #ifdef WORDS_BIGENDIAN | |
319 | memcpy (&x, addr + (16 - sizeof (x)), sizeof (x)); | |
320 | #else | |
321 | memcpy (&x, addr, sizeof (x)); | |
322 | #endif | |
b9bd8526 | 323 | return scm_from_ulong (x); |
2de4f939 | 324 | } |
66c73b76 | 325 | } |
2de4f939 RB |
326 | /* otherwise get the big hammer */ |
327 | { | |
328 | SCM result = scm_i_mkbig (); | |
329 | ||
330 | mpz_import (SCM_I_BIG_MPZ (result), | |
331 | 1, /* chunk */ | |
332 | 1, /* big-endian chunk ordering */ | |
333 | 16, /* chunks are 16 bytes long */ | |
334 | 1, /* big-endian byte ordering */ | |
335 | 0, /* "nails" -- leading unused bits per chunk */ | |
336 | src); | |
337 | return scm_i_normbig (result); | |
338 | } | |
66c73b76 GH |
339 | } |
340 | ||
341 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
342 | network order. */ | |
7cee5b31 MV |
343 | static void |
344 | scm_to_ipv6 (scm_t_uint8 dst[16], SCM src) | |
66c73b76 | 345 | { |
e11e83f3 | 346 | if (SCM_I_INUMP (src)) |
66c73b76 | 347 | { |
e11e83f3 | 348 | scm_t_signed_bits n = SCM_I_INUM (src); |
7cee5b31 MV |
349 | if (n < 0) |
350 | scm_out_of_range (NULL, src); | |
2de4f939 RB |
351 | #ifdef WORDS_BIGENDIAN |
352 | memset (dst, 0, 16 - sizeof (scm_t_signed_bits)); | |
353 | memcpy (dst + (16 - sizeof (scm_t_signed_bits)), | |
354 | &n, | |
355 | sizeof (scm_t_signed_bits)); | |
356 | #else | |
357 | memset (dst + sizeof (scm_t_signed_bits), | |
358 | 0, | |
359 | 16 - sizeof (scm_t_signed_bits)); | |
360 | /* FIXME: this pair of ops is kinda wasteful -- should rewrite as | |
361 | a single loop perhaps, similar to the handling of bignums. */ | |
362 | memcpy (dst, &n, sizeof (scm_t_signed_bits)); | |
363 | FLIP_NET_HOST_128 (dst); | |
364 | #endif | |
66c73b76 | 365 | } |
7cee5b31 | 366 | else if (SCM_BIGP (src)) |
66c73b76 | 367 | { |
2de4f939 | 368 | size_t count; |
7cee5b31 MV |
369 | |
370 | if ((mpz_sgn (SCM_I_BIG_MPZ (src)) < 0) | |
371 | || mpz_sizeinbase (SCM_I_BIG_MPZ (src), 2) > 128) | |
372 | scm_out_of_range (NULL, src); | |
373 | ||
66c73b76 | 374 | memset (dst, 0, 16); |
2de4f939 RB |
375 | mpz_export (dst, |
376 | &count, | |
377 | 1, /* big-endian chunk ordering */ | |
378 | 16, /* chunks are 16 bytes long */ | |
379 | 1, /* big-endian byte ordering */ | |
380 | 0, /* "nails" -- leading unused bits per chunk */ | |
381 | SCM_I_BIG_MPZ (src)); | |
382 | scm_remember_upto_here_1 (src); | |
66c73b76 | 383 | } |
2de4f939 | 384 | else |
7cee5b31 | 385 | scm_wrong_type_arg (NULL, 0, src); |
2de4f939 RB |
386 | } |
387 | ||
66c73b76 GH |
388 | #ifdef HAVE_INET_PTON |
389 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, | |
390 | (SCM family, SCM address), | |
eefae538 GH |
391 | "Convert a string containing a printable network address to\n" |
392 | "an integer address. Note that unlike the C version of this\n" | |
393 | "function,\n" | |
66c73b76 | 394 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 395 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 396 | "@lisp\n" |
dd85ce47 ML |
397 | "(inet-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n" |
398 | "(inet-pton AF_INET6 \"::1\") @result{} 1\n" | |
66c73b76 GH |
399 | "@end lisp") |
400 | #define FUNC_NAME s_scm_inet_pton | |
401 | { | |
402 | int af; | |
403 | char *src; | |
404 | char dst[16]; | |
396e5506 | 405 | int rv, eno; |
66c73b76 | 406 | |
7cee5b31 | 407 | af = scm_to_int (family); |
66c73b76 | 408 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
396e5506 | 409 | src = scm_to_locale_string (address); |
66c73b76 | 410 | rv = inet_pton (af, src, dst); |
396e5506 MV |
411 | eno = errno; |
412 | free (src); | |
413 | errno = eno; | |
66c73b76 GH |
414 | if (rv == -1) |
415 | SCM_SYSERROR; | |
416 | else if (rv == 0) | |
417 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
418 | if (af == AF_INET) | |
b9bd8526 | 419 | return scm_from_ulong (ntohl (*(scm_t_uint32 *) dst)); |
66c73b76 | 420 | else |
7cee5b31 | 421 | return scm_from_ipv6 ((char *) dst); |
66c73b76 GH |
422 | } |
423 | #undef FUNC_NAME | |
424 | #endif | |
425 | ||
426 | #ifdef HAVE_INET_NTOP | |
427 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, | |
428 | (SCM family, SCM address), | |
eefae538 | 429 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
430 | "Note that unlike the C version of this function,\n" |
431 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 432 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 433 | "@lisp\n" |
dd85ce47 | 434 | "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n" |
66c73b76 GH |
435 | "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n" |
436 | "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n" | |
437 | "@end lisp") | |
438 | #define FUNC_NAME s_scm_inet_ntop | |
439 | { | |
440 | int af; | |
441 | #ifdef INET6_ADDRSTRLEN | |
442 | char dst[INET6_ADDRSTRLEN]; | |
443 | #else | |
444 | char dst[46]; | |
445 | #endif | |
446 | char addr6[16]; | |
447 | ||
7cee5b31 | 448 | af = scm_to_int (family); |
66c73b76 GH |
449 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
450 | if (af == AF_INET) | |
eccde741 | 451 | *(scm_t_uint32 *) addr6 = htonl (SCM_NUM2ULONG (2, address)); |
66c73b76 | 452 | else |
7cee5b31 | 453 | scm_to_ipv6 (addr6, address); |
66c73b76 GH |
454 | if (inet_ntop (af, &addr6, dst, sizeof dst) == NULL) |
455 | SCM_SYSERROR; | |
456 | return scm_makfrom0str (dst); | |
457 | } | |
458 | #undef FUNC_NAME | |
459 | #endif | |
460 | ||
a57a0b1e | 461 | #endif /* HAVE_IPV6 */ |
eefae538 | 462 | |
bc45012d | 463 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 464 | |
439006bf | 465 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 466 | |
a1ec6916 | 467 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 468 | (SCM family, SCM style, SCM proto), |
1e6808ea | 469 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 470 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
471 | "integers. Supported values for @var{family} are\n" |
472 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
473 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
474 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
475 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 476 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 477 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
478 | "A single socket port cannot by used for communication until it\n" |
479 | "has been connected to another socket.") | |
1bbd0b84 | 480 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 481 | { |
370312ae | 482 | int fd; |
370312ae | 483 | |
7cee5b31 MV |
484 | fd = socket (scm_to_int (family), |
485 | scm_to_int (style), | |
486 | scm_to_int (proto)); | |
439006bf GH |
487 | if (fd == -1) |
488 | SCM_SYSERROR; | |
489 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 490 | } |
1bbd0b84 | 491 | #undef FUNC_NAME |
0f2d19dd | 492 | |
0e958795 | 493 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 494 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 495 | (SCM family, SCM style, SCM proto), |
1e6808ea | 496 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 497 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
498 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
499 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 500 | "@var{proto}.") |
1bbd0b84 | 501 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 502 | { |
370312ae GH |
503 | int fam; |
504 | int fd[2]; | |
370312ae | 505 | |
7cee5b31 | 506 | fam = scm_to_int (family); |
370312ae | 507 | |
7cee5b31 | 508 | if (socketpair (fam, scm_to_int (style), scm_to_int (proto), fd) == -1) |
1bbd0b84 | 509 | SCM_SYSERROR; |
370312ae | 510 | |
439006bf | 511 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 512 | } |
1bbd0b84 | 513 | #undef FUNC_NAME |
0e958795 | 514 | #endif |
0f2d19dd | 515 | |
a1ec6916 | 516 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 517 | (SCM sock, SCM level, SCM optname), |
1e6808ea | 518 | "Return the value of a particular socket option for the socket\n" |
eefae538 | 519 | "port @var{sock}. @var{level} is an integer code for type of\n" |
1e6808ea MG |
520 | "option being requested, e.g., @code{SOL_SOCKET} for\n" |
521 | "socket-level options. @var{optname} is an integer code for the\n" | |
522 | "option required and should be specified using one of the\n" | |
eefae538 | 523 | "symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n\n" |
1e6808ea MG |
524 | "The returned value is typically an integer but @code{SO_LINGER}\n" |
525 | "returns a pair of integers.") | |
1bbd0b84 | 526 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 527 | { |
370312ae | 528 | int fd; |
439006bf | 529 | /* size of optval is the largest supported option. */ |
370312ae GH |
530 | #ifdef HAVE_STRUCT_LINGER |
531 | char optval[sizeof (struct linger)]; | |
439006bf | 532 | int optlen = sizeof (struct linger); |
370312ae | 533 | #else |
1be6b49c ML |
534 | char optval[sizeof (size_t)]; |
535 | int optlen = sizeof (size_t); | |
370312ae GH |
536 | #endif |
537 | int ilevel; | |
538 | int ioptname; | |
0f2d19dd | 539 | |
78446828 | 540 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 | 541 | SCM_VALIDATE_OPFPORT (1, sock); |
7cee5b31 MV |
542 | ilevel = scm_to_int (level); |
543 | ioptname = scm_to_int (optname); | |
0f2d19dd | 544 | |
ee149d03 | 545 | fd = SCM_FPORT_FDES (sock); |
370312ae | 546 | if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1) |
1bbd0b84 | 547 | SCM_SYSERROR; |
1cc91f1b | 548 | |
439006bf | 549 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 550 | { |
439006bf GH |
551 | #ifdef SO_LINGER |
552 | if (ioptname == SO_LINGER) | |
553 | { | |
370312ae | 554 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
555 | struct linger *ling = (struct linger *) optval; |
556 | ||
b9bd8526 MV |
557 | return scm_cons (scm_from_long (ling->l_onoff), |
558 | scm_from_long (ling->l_linger)); | |
370312ae | 559 | #else |
b9bd8526 | 560 | return scm_cons (scm_from_long (*(int *) optval), |
7cee5b31 | 561 | scm_from_int (0)); |
0f2d19dd | 562 | #endif |
439006bf GH |
563 | } |
564 | else | |
370312ae | 565 | #endif |
439006bf | 566 | if (0 |
370312ae | 567 | #ifdef SO_SNDBUF |
439006bf | 568 | || ioptname == SO_SNDBUF |
370312ae GH |
569 | #endif |
570 | #ifdef SO_RCVBUF | |
439006bf | 571 | || ioptname == SO_RCVBUF |
370312ae | 572 | #endif |
439006bf GH |
573 | ) |
574 | { | |
b9bd8526 | 575 | return scm_from_size_t (*(size_t *) optval); |
439006bf GH |
576 | } |
577 | } | |
b9bd8526 | 578 | return scm_from_int (*(int *) optval); |
0f2d19dd | 579 | } |
1bbd0b84 | 580 | #undef FUNC_NAME |
0f2d19dd | 581 | |
a1ec6916 | 582 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 583 | (SCM sock, SCM level, SCM optname, SCM value), |
eefae538 GH |
584 | "Set the value of a particular socket option for the socket\n" |
585 | "port @var{sock}. @var{level} is an integer code for type of option\n" | |
b380b885 MD |
586 | "being set, e.g., @code{SOL_SOCKET} for socket-level options.\n" |
587 | "@var{optname} is an\n" | |
588 | "integer code for the option to set and should be specified using one of\n" | |
589 | "the symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n" | |
590 | "@var{value} is the value to which the option should be set. For\n" | |
591 | "most options this must be an integer, but for @code{SO_LINGER} it must\n" | |
592 | "be a pair.\n\n" | |
593 | "The return value is unspecified.") | |
1bbd0b84 | 594 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 595 | { |
370312ae | 596 | int fd; |
439006bf GH |
597 | int optlen = -1; |
598 | /* size of optval is the largest supported option. */ | |
370312ae | 599 | #ifdef HAVE_STRUCT_LINGER |
439006bf | 600 | char optval[sizeof (struct linger)]; |
370312ae | 601 | #else |
1be6b49c | 602 | char optval[sizeof (size_t)]; |
370312ae GH |
603 | #endif |
604 | int ilevel, ioptname; | |
439006bf | 605 | |
78446828 | 606 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
607 | |
608 | SCM_VALIDATE_OPFPORT (1, sock); | |
7cee5b31 MV |
609 | ilevel = scm_to_int (level); |
610 | ioptname = scm_to_int (optname); | |
439006bf | 611 | |
ee149d03 | 612 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
613 | |
614 | if (ilevel == SOL_SOCKET) | |
370312ae | 615 | { |
439006bf GH |
616 | #ifdef SO_LINGER |
617 | if (ioptname == SO_LINGER) | |
618 | { | |
370312ae | 619 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
620 | struct linger ling; |
621 | long lv; | |
622 | ||
623 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
624 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
625 | ling.l_onoff = (int) lv; | |
626 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_onoff == lv); | |
627 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
628 | ling.l_linger = (int) lv; | |
629 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_linger == lv); | |
630 | optlen = (int) sizeof (struct linger); | |
631 | memcpy (optval, (void *) &ling, optlen); | |
370312ae | 632 | #else |
439006bf GH |
633 | int ling; |
634 | long lv; | |
635 | ||
636 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
637 | /* timeout is ignored, but may as well validate it. */ | |
638 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
639 | ling = (int) lv; | |
640 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
641 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
642 | ling = (int) lv; | |
643 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
644 | optlen = (int) sizeof (int); | |
645 | (*(int *) optval) = ling; | |
646 | #endif | |
647 | } | |
648 | else | |
649 | #endif | |
650 | if (0 | |
370312ae | 651 | #ifdef SO_SNDBUF |
439006bf | 652 | || ioptname == SO_SNDBUF |
370312ae GH |
653 | #endif |
654 | #ifdef SO_RCVBUF | |
439006bf | 655 | || ioptname == SO_RCVBUF |
370312ae | 656 | #endif |
439006bf GH |
657 | ) |
658 | { | |
659 | long lv = SCM_NUM2LONG (4, value); | |
660 | ||
1be6b49c ML |
661 | optlen = (int) sizeof (size_t); |
662 | (*(size_t *) optval) = (size_t) lv; | |
439006bf GH |
663 | } |
664 | } | |
665 | if (optlen == -1) | |
0f2d19dd | 666 | { |
439006bf GH |
667 | /* Most options take an int. */ |
668 | long lv = SCM_NUM2LONG (4, value); | |
669 | int val = (int) lv; | |
670 | ||
671 | SCM_ASSERT_RANGE (SCM_ARG4, value, val == lv); | |
370312ae | 672 | optlen = (int) sizeof (int); |
439006bf | 673 | (*(int *) optval) = val; |
0f2d19dd | 674 | } |
370312ae | 675 | if (setsockopt (fd, ilevel, ioptname, (void *) optval, optlen) == -1) |
1bbd0b84 | 676 | SCM_SYSERROR; |
370312ae | 677 | return SCM_UNSPECIFIED; |
0f2d19dd | 678 | } |
1bbd0b84 | 679 | #undef FUNC_NAME |
0f2d19dd | 680 | |
a1ec6916 | 681 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 682 | (SCM sock, SCM how), |
b380b885 | 683 | "Sockets can be closed simply by using @code{close-port}. The\n" |
bb2c02f2 | 684 | "@code{shutdown} procedure allows reception or transmission on a\n" |
b380b885 MD |
685 | "connection to be shut down individually, according to the parameter\n" |
686 | "@var{how}:\n\n" | |
687 | "@table @asis\n" | |
688 | "@item 0\n" | |
689 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
690 | "@item 1\n" | |
691 | "Stop trying to transmit data from this socket. Discard any\n" | |
692 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
693 | "data already sent; don't retransmit it if it is lost.\n" | |
694 | "@item 2\n" | |
695 | "Stop both reception and transmission.\n" | |
696 | "@end table\n\n" | |
697 | "The return value is unspecified.") | |
1bbd0b84 | 698 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 699 | { |
370312ae | 700 | int fd; |
78446828 | 701 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 702 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 703 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 704 | if (shutdown (fd, scm_to_signed_integer (how, 0, 2)) == -1) |
1bbd0b84 | 705 | SCM_SYSERROR; |
370312ae GH |
706 | return SCM_UNSPECIFIED; |
707 | } | |
1bbd0b84 | 708 | #undef FUNC_NAME |
0f2d19dd | 709 | |
370312ae GH |
710 | /* convert fam/address/args into a sockaddr of the appropriate type. |
711 | args is modified by removing the arguments actually used. | |
712 | which_arg and proc are used when reporting errors: | |
713 | which_arg is the position of address in the original argument list. | |
714 | proc is the name of the original procedure. | |
715 | size returns the size of the structure allocated. */ | |
716 | ||
370312ae | 717 | static struct sockaddr * |
439006bf GH |
718 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
719 | const char *proc, int *size) | |
3453619b | 720 | #define FUNC_NAME proc |
370312ae GH |
721 | { |
722 | switch (fam) | |
0f2d19dd | 723 | { |
370312ae GH |
724 | case AF_INET: |
725 | { | |
370312ae | 726 | struct sockaddr_in *soka; |
3453619b GH |
727 | unsigned long addr; |
728 | int port; | |
370312ae | 729 | |
3453619b GH |
730 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
731 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
7cee5b31 | 732 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 733 | *args = SCM_CDR (*args); |
67329a9e | 734 | soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in)); |
439006bf GH |
735 | if (!soka) |
736 | scm_memory_error (proc); | |
3453619b GH |
737 | /* 4.4BSD-style interface includes sin_len member and defines SIN_LEN, |
738 | 4.3BSD does not. */ | |
739 | #ifdef SIN_LEN | |
740 | soka->sin_len = sizeof (struct sockaddr_in); | |
741 | #endif | |
370312ae | 742 | soka->sin_family = AF_INET; |
3453619b GH |
743 | soka->sin_addr.s_addr = htonl (addr); |
744 | soka->sin_port = htons (port); | |
370312ae GH |
745 | *size = sizeof (struct sockaddr_in); |
746 | return (struct sockaddr *) soka; | |
747 | } | |
a57a0b1e | 748 | #ifdef HAVE_IPV6 |
3453619b GH |
749 | case AF_INET6: |
750 | { | |
751 | /* see RFC2553. */ | |
752 | int port; | |
753 | struct sockaddr_in6 *soka; | |
754 | unsigned long flowinfo = 0; | |
755 | unsigned long scope_id = 0; | |
756 | ||
3453619b | 757 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
7cee5b31 | 758 | port = scm_to_int (SCM_CAR (*args)); |
3453619b GH |
759 | *args = SCM_CDR (*args); |
760 | if (SCM_CONSP (*args)) | |
761 | { | |
762 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
763 | *args = SCM_CDR (*args); | |
764 | if (SCM_CONSP (*args)) | |
765 | { | |
766 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
767 | scope_id); | |
768 | *args = SCM_CDR (*args); | |
769 | } | |
770 | } | |
67329a9e | 771 | soka = (struct sockaddr_in6 *) scm_malloc (sizeof (struct sockaddr_in6)); |
3453619b GH |
772 | if (!soka) |
773 | scm_memory_error (proc); | |
774 | #ifdef SIN_LEN6 | |
775 | soka->sin6_len = sizeof (struct sockaddr_in6); | |
776 | #endif | |
777 | soka->sin6_family = AF_INET6; | |
7cee5b31 | 778 | scm_to_ipv6 (soka->sin6_addr.s6_addr, address); |
5a525b84 | 779 | soka->sin6_port = htons (port); |
3453619b | 780 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 781 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 782 | soka->sin6_scope_id = scope_id; |
5a525b84 | 783 | #endif |
3453619b GH |
784 | *size = sizeof (struct sockaddr_in6); |
785 | return (struct sockaddr *) soka; | |
786 | } | |
787 | #endif | |
1ba8c23a | 788 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
789 | case AF_UNIX: |
790 | { | |
791 | struct sockaddr_un *soka; | |
439006bf | 792 | int addr_size; |
7f9994d9 MV |
793 | char *c_address; |
794 | ||
795 | scm_frame_begin (0); | |
796 | ||
797 | c_address = scm_to_locale_string (address); | |
798 | scm_frame_free (c_address); | |
370312ae | 799 | |
439006bf GH |
800 | /* the static buffer size in sockaddr_un seems to be arbitrary |
801 | and not necessarily a hard limit. e.g., the glibc manual | |
802 | suggests it may be possible to declare it size 0. let's | |
803 | ignore it. if the O/S doesn't like the size it will cause | |
804 | connect/bind etc., to fail. sun_path is always the last | |
805 | member of the structure. */ | |
806 | addr_size = sizeof (struct sockaddr_un) | |
7f9994d9 | 807 | + max (0, strlen (c_address) + 1 - (sizeof soka->sun_path)); |
67329a9e | 808 | soka = (struct sockaddr_un *) scm_malloc (addr_size); |
439006bf GH |
809 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ |
810 | soka->sun_family = AF_UNIX; | |
7f9994d9 | 811 | strcpy (soka->sun_path, c_address); |
439006bf | 812 | *size = SUN_LEN (soka); |
7f9994d9 MV |
813 | |
814 | scm_frame_end (); | |
370312ae GH |
815 | return (struct sockaddr *) soka; |
816 | } | |
0e958795 | 817 | #endif |
370312ae | 818 | default: |
e11e83f3 | 819 | scm_out_of_range (proc, scm_from_int (fam)); |
0f2d19dd | 820 | } |
0f2d19dd | 821 | } |
3453619b | 822 | #undef FUNC_NAME |
370312ae | 823 | |
a1ec6916 | 824 | SCM_DEFINE (scm_connect, "connect", 3, 0, 1, |
1bbd0b84 | 825 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 826 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
827 | "family to the address\n" |
828 | "specified by @var{address} and possibly @var{args}.\n" | |
829 | "The format required for @var{address}\n" | |
830 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 831 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 832 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
833 | "filename where the socket is to be created.\n\n" |
834 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
835 | "@var{address} must be an integer IPv4 host address and\n" |
836 | "@var{args} must be a single integer port number.\n\n" | |
837 | "For a socket of family @code{AF_INET6},\n" | |
838 | "@var{address} must be an integer IPv6 host address and\n" | |
839 | "@var{args} may be up to three integers:\n" | |
840 | "port [flowinfo] [scope_id],\n" | |
841 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 842 | "The return value is unspecified.") |
1bbd0b84 | 843 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 844 | { |
370312ae GH |
845 | int fd; |
846 | struct sockaddr *soka; | |
439006bf | 847 | int size; |
0f2d19dd | 848 | |
78446828 | 849 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 850 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 851 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 852 | soka = scm_fill_sockaddr (scm_to_int (fam), address, &args, 3, FUNC_NAME, |
439006bf | 853 | &size); |
370312ae | 854 | if (connect (fd, soka, size) == -1) |
439006bf GH |
855 | { |
856 | int save_errno = errno; | |
857 | ||
858 | free (soka); | |
859 | errno = save_errno; | |
860 | SCM_SYSERROR; | |
861 | } | |
862 | free (soka); | |
370312ae | 863 | return SCM_UNSPECIFIED; |
0f2d19dd | 864 | } |
1bbd0b84 | 865 | #undef FUNC_NAME |
0f2d19dd | 866 | |
a1ec6916 | 867 | SCM_DEFINE (scm_bind, "bind", 3, 0, 1, |
1bbd0b84 | 868 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 869 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
870 | "Generally this only needs to be done for server sockets,\n" |
871 | "so they know where to look for incoming connections. A socket\n" | |
872 | "without an address will be assigned one automatically when it\n" | |
873 | "starts communicating.\n\n" | |
eefae538 GH |
874 | "The format of @var{address} and @var{args} depends\n" |
875 | "on the family of the socket.\n\n" | |
b380b885 | 876 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
877 | "is specified and must be a string with the filename where\n" |
878 | "the socket is to be created.\n\n" | |
879 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
880 | "must be an integer IPv4 address and @var{args}\n" | |
881 | "must be a single integer port number.\n\n" | |
882 | "The values of the following variables can also be used for\n" | |
883 | "@var{address}:\n\n" | |
b380b885 MD |
884 | "@defvar INADDR_ANY\n" |
885 | "Allow connections from any address.\n" | |
886 | "@end defvar\n\n" | |
887 | "@defvar INADDR_LOOPBACK\n" | |
888 | "The address of the local host using the loopback device.\n" | |
889 | "@end defvar\n\n" | |
890 | "@defvar INADDR_BROADCAST\n" | |
891 | "The broadcast address on the local network.\n" | |
892 | "@end defvar\n\n" | |
893 | "@defvar INADDR_NONE\n" | |
894 | "No address.\n" | |
895 | "@end defvar\n\n" | |
eefae538 GH |
896 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
897 | "must be an integer IPv6 address and @var{args}\n" | |
898 | "may be up to three integers:\n" | |
899 | "port [flowinfo] [scope_id],\n" | |
900 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 901 | "The return value is unspecified.") |
1bbd0b84 | 902 | #define FUNC_NAME s_scm_bind |
370312ae | 903 | { |
370312ae | 904 | struct sockaddr *soka; |
439006bf | 905 | int size; |
370312ae GH |
906 | int fd; |
907 | ||
78446828 | 908 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 909 | SCM_VALIDATE_OPFPORT (1, sock); |
7cee5b31 | 910 | soka = scm_fill_sockaddr (scm_to_int (fam), address, &args, 3, FUNC_NAME, |
439006bf | 911 | &size); |
ee149d03 | 912 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
913 | if (bind (fd, soka, size) == -1) |
914 | { | |
915 | int save_errno = errno; | |
916 | ||
917 | free (soka); | |
918 | errno = save_errno; | |
1bbd0b84 | 919 | SCM_SYSERROR; |
439006bf GH |
920 | } |
921 | free (soka); | |
370312ae GH |
922 | return SCM_UNSPECIFIED; |
923 | } | |
1bbd0b84 | 924 | #undef FUNC_NAME |
370312ae | 925 | |
a1ec6916 | 926 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 927 | (SCM sock, SCM backlog), |
eefae538 | 928 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
929 | "requests. @var{backlog} is an integer specifying\n" |
930 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
931 | "If the queue fills, new clients will fail to connect until\n" |
932 | "the server calls @code{accept} to accept a connection from\n" | |
933 | "the queue.\n\n" | |
b380b885 | 934 | "The return value is unspecified.") |
1bbd0b84 | 935 | #define FUNC_NAME s_scm_listen |
370312ae GH |
936 | { |
937 | int fd; | |
78446828 | 938 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 939 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 940 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 941 | if (listen (fd, scm_to_int (backlog)) == -1) |
1bbd0b84 | 942 | SCM_SYSERROR; |
370312ae GH |
943 | return SCM_UNSPECIFIED; |
944 | } | |
1bbd0b84 | 945 | #undef FUNC_NAME |
370312ae GH |
946 | |
947 | /* Put the components of a sockaddr into a new SCM vector. */ | |
370312ae | 948 | static SCM |
aca23b65 MV |
949 | scm_addr_vector (const struct sockaddr *address, int addr_size, |
950 | const char *proc) | |
0f2d19dd | 951 | { |
370312ae | 952 | short int fam = address->sa_family; |
1d1559ce | 953 | SCM result =SCM_EOL; |
34d19ef6 | 954 | |
439006bf | 955 | |
5a525b84 | 956 | switch (fam) |
0f2d19dd | 957 | { |
5a525b84 GH |
958 | case AF_INET: |
959 | { | |
e1368a8d | 960 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 961 | |
1d1559ce | 962 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
34d19ef6 | 963 | |
b9bd8526 MV |
964 | SCM_VECTOR_SET(result, 0, |
965 | scm_from_short (fam)); | |
966 | SCM_VECTOR_SET(result, 1, | |
967 | scm_from_ulong (ntohl (nad->sin_addr.s_addr))); | |
968 | SCM_VECTOR_SET(result, 2, | |
969 | scm_from_ushort (ntohs (nad->sin_port))); | |
5a525b84 GH |
970 | } |
971 | break; | |
a57a0b1e | 972 | #ifdef HAVE_IPV6 |
5a525b84 GH |
973 | case AF_INET6: |
974 | { | |
e1368a8d | 975 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 | 976 | |
1d1559ce | 977 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); |
b9bd8526 | 978 | SCM_VECTOR_SET(result, 0, scm_from_short (fam)); |
7cee5b31 | 979 | SCM_VECTOR_SET(result, 1, scm_from_ipv6 (nad->sin6_addr.s6_addr)); |
b9bd8526 MV |
980 | SCM_VECTOR_SET(result, 2, scm_from_ushort (ntohs (nad->sin6_port))); |
981 | SCM_VECTOR_SET(result, 3, scm_from_uint32 (nad->sin6_flowinfo)); | |
5a525b84 | 982 | #ifdef HAVE_SIN6_SCOPE_ID |
b9bd8526 | 983 | SCM_VECTOR_SET(result, 4, scm_from_ulong (nad->sin6_scope_id)); |
5a525b84 | 984 | #else |
1d1559ce | 985 | SCM_VECTOR_SET(result, 4, SCM_INUM0); |
0e958795 | 986 | #endif |
5a525b84 GH |
987 | } |
988 | break; | |
989 | #endif | |
990 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
991 | case AF_UNIX: | |
992 | { | |
e1368a8d | 993 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 994 | |
1d1559ce | 995 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
34d19ef6 | 996 | |
b9bd8526 | 997 | SCM_VECTOR_SET(result, 0, scm_from_short (fam)); |
aca23b65 MV |
998 | /* When addr_size is not enough to cover sun_path, do not try |
999 | to access it. */ | |
1000 | if (addr_size <= offsetof (struct sockaddr_un, sun_path)) | |
1001 | SCM_VECTOR_SET(result, 1, SCM_BOOL_F); | |
1002 | else | |
1003 | SCM_VECTOR_SET(result, 1, scm_mem2string (nad->sun_path, | |
1004 | strlen (nad->sun_path))); | |
5a525b84 GH |
1005 | } |
1006 | break; | |
1007 | #endif | |
1008 | default: | |
1009 | scm_misc_error (proc, "Unrecognised address family: ~A", | |
e11e83f3 | 1010 | scm_list_1 (scm_from_int (fam))); |
0f2d19dd | 1011 | } |
1d1559ce | 1012 | return result; |
370312ae GH |
1013 | } |
1014 | ||
439006bf GH |
1015 | /* calculate the size of a buffer large enough to hold any supported |
1016 | sockaddr type. if the buffer isn't large enough, certain system | |
1017 | calls will return a truncated address. */ | |
370312ae | 1018 | |
439006bf GH |
1019 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) |
1020 | #define MAX_SIZE_UN sizeof (struct sockaddr_un) | |
0e958795 | 1021 | #else |
439006bf | 1022 | #define MAX_SIZE_UN 0 |
0e958795 | 1023 | #endif |
439006bf | 1024 | |
a57a0b1e | 1025 | #if defined (HAVE_IPV6) |
5a525b84 GH |
1026 | #define MAX_SIZE_IN6 sizeof (struct sockaddr_in6) |
1027 | #else | |
1028 | #define MAX_SIZE_IN6 0 | |
1029 | #endif | |
1030 | ||
1031 | #define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\ | |
1032 | MAX_SIZE_UN) | |
0f2d19dd | 1033 | |
a1ec6916 | 1034 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 1035 | (SCM sock), |
eefae538 GH |
1036 | "Accept a connection on a bound, listening socket.\n" |
1037 | "If there\n" | |
1038 | "are no pending connections in the queue, wait until\n" | |
1039 | "one is available unless the non-blocking option has been\n" | |
1040 | "set on the socket.\n\n" | |
b380b885 | 1041 | "The return value is a\n" |
eefae538 GH |
1042 | "pair in which the @emph{car} is a new socket port for the\n" |
1043 | "connection and\n" | |
1044 | "the @emph{cdr} is an object with address information about the\n" | |
1045 | "client which initiated the connection.\n\n" | |
1046 | "@var{sock} does not become part of the\n" | |
b380b885 | 1047 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1048 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1049 | { |
370312ae GH |
1050 | int fd; |
1051 | int newfd; | |
1052 | SCM address; | |
1053 | SCM newsock; | |
439006bf GH |
1054 | int addr_size = MAX_ADDR_SIZE; |
1055 | char max_addr[MAX_ADDR_SIZE]; | |
1056 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1057 | |
78446828 | 1058 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1059 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1060 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
1061 | newfd = accept (fd, addr, &addr_size); |
1062 | if (newfd == -1) | |
1063 | SCM_SYSERROR; | |
1064 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
aca23b65 | 1065 | address = scm_addr_vector (addr, addr_size, FUNC_NAME); |
370312ae | 1066 | return scm_cons (newsock, address); |
0f2d19dd | 1067 | } |
1bbd0b84 | 1068 | #undef FUNC_NAME |
0f2d19dd | 1069 | |
a1ec6916 | 1070 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1071 | (SCM sock), |
eefae538 | 1072 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1073 | "object returned by @code{accept}. On many systems the address\n" |
1074 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1075 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1076 | { |
370312ae | 1077 | int fd; |
439006bf GH |
1078 | int addr_size = MAX_ADDR_SIZE; |
1079 | char max_addr[MAX_ADDR_SIZE]; | |
1080 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1081 | ||
78446828 | 1082 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1083 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1084 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1085 | if (getsockname (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1086 | SCM_SYSERROR; |
aca23b65 | 1087 | return scm_addr_vector (addr, addr_size, FUNC_NAME); |
0f2d19dd | 1088 | } |
1bbd0b84 | 1089 | #undef FUNC_NAME |
0f2d19dd | 1090 | |
a1ec6916 | 1091 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1092 | (SCM sock), |
eefae538 | 1093 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1094 | "is connected to, in the same form as the object returned by\n" |
1095 | "@code{accept}. On many systems the address of a socket in the\n" | |
1096 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1097 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1098 | { |
370312ae | 1099 | int fd; |
439006bf GH |
1100 | int addr_size = MAX_ADDR_SIZE; |
1101 | char max_addr[MAX_ADDR_SIZE]; | |
1102 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1103 | ||
78446828 | 1104 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1105 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1106 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1107 | if (getpeername (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1108 | SCM_SYSERROR; |
aca23b65 | 1109 | return scm_addr_vector (addr, addr_size, FUNC_NAME); |
0f2d19dd | 1110 | } |
1bbd0b84 | 1111 | #undef FUNC_NAME |
0f2d19dd | 1112 | |
a1ec6916 | 1113 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1114 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1115 | "Receive data from a socket port.\n" |
1116 | "@var{sock} must already\n" | |
b380b885 MD |
1117 | "be bound to the address from which data is to be received.\n" |
1118 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1119 | "the data will be written. The size of @var{buf} limits\n" |
1120 | "the amount of\n" | |
b380b885 | 1121 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1122 | "protocols, if a packet larger than this limit is encountered\n" |
1123 | "then some data\n" | |
b380b885 MD |
1124 | "will be irrevocably lost.\n\n" |
1125 | "The optional @var{flags} argument is a value or\n" | |
1126 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1127 | "The value returned is the number of bytes read from the\n" |
1128 | "socket.\n\n" | |
1129 | "Note that the data is read directly from the socket file\n" | |
1130 | "descriptor:\n" | |
09831f94 | 1131 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1132 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1133 | { |
370312ae GH |
1134 | int rv; |
1135 | int fd; | |
1136 | int flg; | |
370312ae | 1137 | |
34d19ef6 HWN |
1138 | SCM_VALIDATE_OPFPORT (1, sock); |
1139 | SCM_VALIDATE_STRING (2, buf); | |
7cee5b31 MV |
1140 | if (SCM_UNBNDP (flags)) |
1141 | flg = 0; | |
1142 | else | |
1143 | flg = scm_to_int (flags); | |
ee149d03 | 1144 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1145 | |
396e5506 MV |
1146 | SCM_SYSCALL (rv = recv (fd, |
1147 | SCM_I_STRING_CHARS (buf), SCM_I_STRING_LENGTH (buf), | |
1148 | flg)); | |
370312ae | 1149 | if (rv == -1) |
1bbd0b84 | 1150 | SCM_SYSERROR; |
370312ae | 1151 | |
396e5506 | 1152 | scm_remember_upto_here_1 (buf); |
7cee5b31 | 1153 | return scm_from_int (rv); |
370312ae | 1154 | } |
1bbd0b84 | 1155 | #undef FUNC_NAME |
370312ae | 1156 | |
a1ec6916 | 1157 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1158 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1159 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1160 | "@var{sock} must already be bound to a destination address. The\n" | |
1161 | "value returned is the number of bytes transmitted --\n" | |
1162 | "it's possible for\n" | |
1163 | "this to be less than the length of @var{message}\n" | |
1164 | "if the socket is\n" | |
1165 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1166 | "is a value or\n" | |
b380b885 | 1167 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1168 | "Note that the data is written directly to the socket\n" |
1169 | "file descriptor:\n" | |
b380b885 | 1170 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1171 | #define FUNC_NAME s_scm_send |
370312ae GH |
1172 | { |
1173 | int rv; | |
1174 | int fd; | |
1175 | int flg; | |
1176 | ||
78446828 | 1177 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1178 | SCM_VALIDATE_OPFPORT (1, sock); |
a6d9e5ab | 1179 | SCM_VALIDATE_STRING (2, message); |
7cee5b31 MV |
1180 | if (SCM_UNBNDP (flags)) |
1181 | flg = 0; | |
1182 | else | |
1183 | flg = scm_to_int (flags); | |
ee149d03 | 1184 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1185 | |
396e5506 MV |
1186 | SCM_SYSCALL (rv = send (fd, |
1187 | SCM_I_STRING_CHARS (message), | |
1188 | SCM_I_STRING_LENGTH (message), | |
1189 | flg)); | |
370312ae | 1190 | if (rv == -1) |
1bbd0b84 | 1191 | SCM_SYSERROR; |
396e5506 MV |
1192 | |
1193 | scm_remember_upto_here_1 (message); | |
7cee5b31 | 1194 | return scm_from_int (rv); |
370312ae | 1195 | } |
1bbd0b84 | 1196 | #undef FUNC_NAME |
370312ae | 1197 | |
a1ec6916 | 1198 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1199 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
eefae538 | 1200 | "Return data from the socket port @var{sock} and also\n" |
1e6808ea | 1201 | "information about where the data was received from.\n" |
eefae538 | 1202 | "@var{sock} must already be bound to the address from which\n" |
1e6808ea MG |
1203 | "data is to be received. @code{str}, is a string into which the\n" |
1204 | "data will be written. The size of @var{str} limits the amount\n" | |
1205 | "of data which can be received: in the case of packet protocols,\n" | |
1206 | "if a packet larger than this limit is encountered then some\n" | |
eefae538 | 1207 | "data will be irrevocably lost.\n\n" |
1e6808ea | 1208 | "The optional @var{flags} argument is a value or bitwise OR of\n" |
eefae538 | 1209 | "@code{MSG_OOB}, @code{MSG_PEEK}, @code{MSG_DONTROUTE} etc.\n\n" |
1e6808ea MG |
1210 | "The value returned is a pair: the @emph{car} is the number of\n" |
1211 | "bytes read from the socket and the @emph{cdr} an address object\n" | |
eefae538 GH |
1212 | "in the same form as returned by @code{accept}. The address\n" |
1213 | "will given as @code{#f} if not available, as is usually the\n" | |
1214 | "case for stream sockets.\n\n" | |
1e6808ea | 1215 | "The @var{start} and @var{end} arguments specify a substring of\n" |
eefae538 | 1216 | "@var{str} to which the data should be written.\n\n" |
1e6808ea MG |
1217 | "Note that the data is read directly from the socket file\n" |
1218 | "descriptor: any unread buffered port data is ignored.") | |
1bbd0b84 | 1219 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1220 | { |
1221 | int rv; | |
1222 | int fd; | |
1223 | int flg; | |
60d02d09 | 1224 | char *buf; |
396e5506 MV |
1225 | size_t offset; |
1226 | size_t cend; | |
370312ae | 1227 | SCM address; |
439006bf GH |
1228 | int addr_size = MAX_ADDR_SIZE; |
1229 | char max_addr[MAX_ADDR_SIZE]; | |
1230 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1231 | |
34d19ef6 | 1232 | SCM_VALIDATE_OPFPORT (1, sock); |
60d02d09 | 1233 | fd = SCM_FPORT_FDES (sock); |
396e5506 MV |
1234 | |
1235 | SCM_VALIDATE_STRING (2, str); | |
1236 | buf = SCM_I_STRING_CHARS (str); | |
1237 | scm_i_get_substring_spec (SCM_I_STRING_LENGTH (str), | |
1238 | start, &offset, end, &cend); | |
1239 | ||
1146b6cd GH |
1240 | if (SCM_UNBNDP (flags)) |
1241 | flg = 0; | |
370312ae | 1242 | else |
60d02d09 | 1243 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1244 | |
97d0e20b GH |
1245 | /* recvfrom will not necessarily return an address. usually nothing |
1246 | is returned for stream sockets. */ | |
439006bf | 1247 | addr->sa_family = AF_UNSPEC; |
60d02d09 | 1248 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1249 | cend - offset, flg, |
439006bf | 1250 | addr, &addr_size)); |
370312ae | 1251 | if (rv == -1) |
1bbd0b84 | 1252 | SCM_SYSERROR; |
eefae538 | 1253 | if (addr->sa_family != AF_UNSPEC) |
aca23b65 | 1254 | address = scm_addr_vector (addr, addr_size, FUNC_NAME); |
370312ae GH |
1255 | else |
1256 | address = SCM_BOOL_F; | |
1257 | ||
396e5506 | 1258 | scm_remember_upto_here_1 (str); |
e11e83f3 | 1259 | return scm_cons (scm_from_int (rv), address); |
0f2d19dd | 1260 | } |
1bbd0b84 | 1261 | #undef FUNC_NAME |
0f2d19dd | 1262 | |
a1ec6916 | 1263 | SCM_DEFINE (scm_sendto, "sendto", 4, 0, 1, |
1bbd0b84 | 1264 | (SCM sock, SCM message, SCM fam, SCM address, SCM args_and_flags), |
eefae538 GH |
1265 | "Transmit the string @var{message} on the socket port\n" |
1266 | "@var{sock}. The\n" | |
1267 | "destination address is specified using the @var{fam},\n" | |
1268 | "@var{address} and\n" | |
1269 | "@var{args_and_flags} arguments, in a similar way to the\n" | |
1270 | "@code{connect} procedure. @var{args_and_flags} contains\n" | |
1271 | "the usual connection arguments optionally followed by\n" | |
1272 | "a flags argument, which is a value or\n" | |
b380b885 | 1273 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1274 | "The value returned is the number of bytes transmitted --\n" |
1275 | "it's possible for\n" | |
1276 | "this to be less than the length of @var{message} if the\n" | |
1277 | "socket is\n" | |
1278 | "set to be non-blocking.\n" | |
1279 | "Note that the data is written directly to the socket\n" | |
1280 | "file descriptor:\n" | |
b380b885 | 1281 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1282 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1283 | { |
1284 | int rv; | |
1285 | int fd; | |
1286 | int flg; | |
1287 | struct sockaddr *soka; | |
439006bf | 1288 | int size; |
370312ae | 1289 | |
78446828 | 1290 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1291 | SCM_VALIDATE_FPORT (1, sock); |
a6d9e5ab | 1292 | SCM_VALIDATE_STRING (2, message); |
ee149d03 | 1293 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 1294 | soka = scm_fill_sockaddr (scm_to_int (fam), address, &args_and_flags, 4, |
1bbd0b84 | 1295 | FUNC_NAME, &size); |
370312ae GH |
1296 | if (SCM_NULLP (args_and_flags)) |
1297 | flg = 0; | |
1298 | else | |
1299 | { | |
34d19ef6 | 1300 | SCM_VALIDATE_CONS (5, args_and_flags); |
e4b265d8 | 1301 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1302 | } |
396e5506 MV |
1303 | SCM_SYSCALL (rv = sendto (fd, |
1304 | SCM_I_STRING_CHARS (message), | |
1305 | SCM_I_STRING_LENGTH (message), | |
ae2fa5bc | 1306 | flg, soka, size)); |
370312ae | 1307 | if (rv == -1) |
439006bf GH |
1308 | { |
1309 | int save_errno = errno; | |
1310 | free (soka); | |
1311 | errno = save_errno; | |
1312 | SCM_SYSERROR; | |
1313 | } | |
1314 | free (soka); | |
396e5506 MV |
1315 | |
1316 | scm_remember_upto_here_1 (message); | |
e11e83f3 | 1317 | return scm_from_int (rv); |
370312ae | 1318 | } |
1bbd0b84 | 1319 | #undef FUNC_NAME |
370312ae GH |
1320 | \f |
1321 | ||
1322 | ||
1323 | void | |
0f2d19dd | 1324 | scm_init_socket () |
0f2d19dd | 1325 | { |
370312ae GH |
1326 | /* protocol families. */ |
1327 | #ifdef AF_UNSPEC | |
e11e83f3 | 1328 | scm_c_define ("AF_UNSPEC", scm_from_int (AF_UNSPEC)); |
370312ae GH |
1329 | #endif |
1330 | #ifdef AF_UNIX | |
e11e83f3 | 1331 | scm_c_define ("AF_UNIX", scm_from_int (AF_UNIX)); |
370312ae GH |
1332 | #endif |
1333 | #ifdef AF_INET | |
e11e83f3 | 1334 | scm_c_define ("AF_INET", scm_from_int (AF_INET)); |
370312ae | 1335 | #endif |
3453619b | 1336 | #ifdef AF_INET6 |
e11e83f3 | 1337 | scm_c_define ("AF_INET6", scm_from_int (AF_INET6)); |
3453619b | 1338 | #endif |
370312ae GH |
1339 | |
1340 | #ifdef PF_UNSPEC | |
e11e83f3 | 1341 | scm_c_define ("PF_UNSPEC", scm_from_int (PF_UNSPEC)); |
370312ae GH |
1342 | #endif |
1343 | #ifdef PF_UNIX | |
e11e83f3 | 1344 | scm_c_define ("PF_UNIX", scm_from_int (PF_UNIX)); |
370312ae GH |
1345 | #endif |
1346 | #ifdef PF_INET | |
e11e83f3 | 1347 | scm_c_define ("PF_INET", scm_from_int (PF_INET)); |
370312ae | 1348 | #endif |
3453619b | 1349 | #ifdef PF_INET6 |
e11e83f3 | 1350 | scm_c_define ("PF_INET6", scm_from_int (PF_INET6)); |
3453619b | 1351 | #endif |
370312ae | 1352 | |
66c73b76 GH |
1353 | /* standard addresses. */ |
1354 | #ifdef INADDR_ANY | |
b9bd8526 | 1355 | scm_c_define ("INADDR_ANY", scm_from_ulong (INADDR_ANY)); |
66c73b76 GH |
1356 | #endif |
1357 | #ifdef INADDR_BROADCAST | |
b9bd8526 | 1358 | scm_c_define ("INADDR_BROADCAST", scm_from_ulong (INADDR_BROADCAST)); |
66c73b76 GH |
1359 | #endif |
1360 | #ifdef INADDR_NONE | |
b9bd8526 | 1361 | scm_c_define ("INADDR_NONE", scm_from_ulong (INADDR_NONE)); |
66c73b76 GH |
1362 | #endif |
1363 | #ifdef INADDR_LOOPBACK | |
b9bd8526 | 1364 | scm_c_define ("INADDR_LOOPBACK", scm_from_ulong (INADDR_LOOPBACK)); |
66c73b76 GH |
1365 | #endif |
1366 | ||
370312ae GH |
1367 | /* socket types. */ |
1368 | #ifdef SOCK_STREAM | |
e11e83f3 | 1369 | scm_c_define ("SOCK_STREAM", scm_from_int (SOCK_STREAM)); |
370312ae GH |
1370 | #endif |
1371 | #ifdef SOCK_DGRAM | |
e11e83f3 | 1372 | scm_c_define ("SOCK_DGRAM", scm_from_int (SOCK_DGRAM)); |
370312ae GH |
1373 | #endif |
1374 | #ifdef SOCK_RAW | |
e11e83f3 | 1375 | scm_c_define ("SOCK_RAW", scm_from_int (SOCK_RAW)); |
370312ae GH |
1376 | #endif |
1377 | ||
1378 | /* setsockopt level. */ | |
1379 | #ifdef SOL_SOCKET | |
e11e83f3 | 1380 | scm_c_define ("SOL_SOCKET", scm_from_int (SOL_SOCKET)); |
370312ae GH |
1381 | #endif |
1382 | #ifdef SOL_IP | |
e11e83f3 | 1383 | scm_c_define ("SOL_IP", scm_from_int (SOL_IP)); |
370312ae GH |
1384 | #endif |
1385 | #ifdef SOL_TCP | |
e11e83f3 | 1386 | scm_c_define ("SOL_TCP", scm_from_int (SOL_TCP)); |
370312ae GH |
1387 | #endif |
1388 | #ifdef SOL_UDP | |
e11e83f3 | 1389 | scm_c_define ("SOL_UDP", scm_from_int (SOL_UDP)); |
370312ae GH |
1390 | #endif |
1391 | ||
1392 | /* setsockopt names. */ | |
1393 | #ifdef SO_DEBUG | |
e11e83f3 | 1394 | scm_c_define ("SO_DEBUG", scm_from_int (SO_DEBUG)); |
370312ae GH |
1395 | #endif |
1396 | #ifdef SO_REUSEADDR | |
e11e83f3 | 1397 | scm_c_define ("SO_REUSEADDR", scm_from_int (SO_REUSEADDR)); |
370312ae GH |
1398 | #endif |
1399 | #ifdef SO_STYLE | |
e11e83f3 | 1400 | scm_c_define ("SO_STYLE", scm_from_int (SO_STYLE)); |
370312ae GH |
1401 | #endif |
1402 | #ifdef SO_TYPE | |
e11e83f3 | 1403 | scm_c_define ("SO_TYPE", scm_from_int (SO_TYPE)); |
370312ae GH |
1404 | #endif |
1405 | #ifdef SO_ERROR | |
e11e83f3 | 1406 | scm_c_define ("SO_ERROR", scm_from_int (SO_ERROR)); |
370312ae GH |
1407 | #endif |
1408 | #ifdef SO_DONTROUTE | |
e11e83f3 | 1409 | scm_c_define ("SO_DONTROUTE", scm_from_int (SO_DONTROUTE)); |
370312ae GH |
1410 | #endif |
1411 | #ifdef SO_BROADCAST | |
e11e83f3 | 1412 | scm_c_define ("SO_BROADCAST", scm_from_int (SO_BROADCAST)); |
370312ae GH |
1413 | #endif |
1414 | #ifdef SO_SNDBUF | |
e11e83f3 | 1415 | scm_c_define ("SO_SNDBUF", scm_from_int (SO_SNDBUF)); |
370312ae GH |
1416 | #endif |
1417 | #ifdef SO_RCVBUF | |
e11e83f3 | 1418 | scm_c_define ("SO_RCVBUF", scm_from_int (SO_RCVBUF)); |
370312ae GH |
1419 | #endif |
1420 | #ifdef SO_KEEPALIVE | |
e11e83f3 | 1421 | scm_c_define ("SO_KEEPALIVE", scm_from_int (SO_KEEPALIVE)); |
370312ae GH |
1422 | #endif |
1423 | #ifdef SO_OOBINLINE | |
e11e83f3 | 1424 | scm_c_define ("SO_OOBINLINE", scm_from_int (SO_OOBINLINE)); |
370312ae GH |
1425 | #endif |
1426 | #ifdef SO_NO_CHECK | |
e11e83f3 | 1427 | scm_c_define ("SO_NO_CHECK", scm_from_int (SO_NO_CHECK)); |
370312ae GH |
1428 | #endif |
1429 | #ifdef SO_PRIORITY | |
e11e83f3 | 1430 | scm_c_define ("SO_PRIORITY", scm_from_int (SO_PRIORITY)); |
370312ae GH |
1431 | #endif |
1432 | #ifdef SO_LINGER | |
e11e83f3 | 1433 | scm_c_define ("SO_LINGER", scm_from_int (SO_LINGER)); |
370312ae GH |
1434 | #endif |
1435 | ||
1436 | /* recv/send options. */ | |
1437 | #ifdef MSG_OOB | |
e11e83f3 | 1438 | scm_c_define ("MSG_OOB", scm_from_int (MSG_OOB)); |
370312ae GH |
1439 | #endif |
1440 | #ifdef MSG_PEEK | |
e11e83f3 | 1441 | scm_c_define ("MSG_PEEK", scm_from_int (MSG_PEEK)); |
370312ae GH |
1442 | #endif |
1443 | #ifdef MSG_DONTROUTE | |
e11e83f3 | 1444 | scm_c_define ("MSG_DONTROUTE", scm_from_int (MSG_DONTROUTE)); |
370312ae GH |
1445 | #endif |
1446 | ||
b4e15479 SJ |
1447 | #ifdef __MINGW32__ |
1448 | scm_i_init_socket_Win32 (); | |
1449 | #endif | |
1450 | ||
0f2d19dd | 1451 | scm_add_feature ("socket"); |
370312ae | 1452 | |
a0599745 | 1453 | #include "libguile/socket.x" |
0f2d19dd JB |
1454 | } |
1455 | ||
89e00824 ML |
1456 | |
1457 | /* | |
1458 | Local Variables: | |
1459 | c-file-style: "gnu" | |
1460 | End: | |
1461 | */ |