Commit | Line | Data |
---|---|---|
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" | |
20e6290e | 34 | |
a0599745 MD |
35 | #include "libguile/validate.h" |
36 | #include "libguile/socket.h" | |
95b88819 | 37 | |
b4e15479 SJ |
38 | #ifdef __MINGW32__ |
39 | #include "win32-socket.h" | |
40 | #endif | |
41 | ||
af68e5e5 SJ |
42 | #ifdef HAVE_STDINT_H |
43 | #include <stdint.h> | |
44 | #endif | |
95b88819 GH |
45 | #ifdef HAVE_STRING_H |
46 | #include <string.h> | |
47 | #endif | |
370312ae GH |
48 | #ifdef HAVE_UNISTD_H |
49 | #include <unistd.h> | |
50 | #endif | |
0f2d19dd | 51 | #include <sys/types.h> |
f87c105a | 52 | #ifdef HAVE_WINSOCK2_H |
82893676 MG |
53 | #include <winsock2.h> |
54 | #else | |
0f2d19dd | 55 | #include <sys/socket.h> |
1ba8c23a | 56 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
0f2d19dd | 57 | #include <sys/un.h> |
0e958795 | 58 | #endif |
0f2d19dd JB |
59 | #include <netinet/in.h> |
60 | #include <netdb.h> | |
61 | #include <arpa/inet.h> | |
82893676 | 62 | #endif |
0f2d19dd | 63 | |
97d0e20b GH |
64 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN) |
65 | #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \ | |
66 | + strlen ((ptr)->sun_path)) | |
67 | #endif | |
68 | ||
439006bf GH |
69 | /* we are not currently using socklen_t. it's not defined on all systems, |
70 | so would need to be checked by configure. in the meantime, plain | |
71 | int is the best alternative. */ | |
72 | ||
0f2d19dd JB |
73 | \f |
74 | ||
a1ec6916 | 75 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
76 | (SCM value), |
77 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
78 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
79 | "and returned as a new integer.") | |
1bbd0b84 | 80 | #define FUNC_NAME s_scm_htons |
5c11cc9d | 81 | { |
7cee5b31 | 82 | return scm_from_ushort (htons (scm_to_ushort (value))); |
5c11cc9d | 83 | } |
1bbd0b84 | 84 | #undef FUNC_NAME |
5c11cc9d | 85 | |
a1ec6916 | 86 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
87 | (SCM value), |
88 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
89 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
90 | "and returned as a new integer.") | |
1bbd0b84 | 91 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d | 92 | { |
7cee5b31 | 93 | return scm_from_ushort (ntohs (scm_to_ushort (value))); |
5c11cc9d | 94 | } |
1bbd0b84 | 95 | #undef FUNC_NAME |
5c11cc9d | 96 | |
a1ec6916 | 97 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
98 | (SCM value), |
99 | "Convert a 32 bit quantity from host to network byte ordering.\n" | |
100 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
101 | "and returned as a new integer.") | |
1bbd0b84 | 102 | #define FUNC_NAME s_scm_htonl |
5c11cc9d | 103 | { |
eccde741 | 104 | scm_t_uint32 c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 105 | |
b9bd8526 | 106 | return scm_from_ulong (htonl (c_in)); |
5c11cc9d | 107 | } |
1bbd0b84 | 108 | #undef FUNC_NAME |
5c11cc9d | 109 | |
a1ec6916 | 110 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
111 | (SCM value), |
112 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
113 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
114 | "and returned as a new integer.") | |
1bbd0b84 | 115 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 116 | { |
eccde741 | 117 | scm_t_uint32 c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 118 | |
b9bd8526 | 119 | return scm_from_ulong (ntohl (c_in)); |
5c11cc9d | 120 | } |
1bbd0b84 | 121 | #undef FUNC_NAME |
5c11cc9d | 122 | |
66c73b76 GH |
123 | #ifndef HAVE_INET_ATON |
124 | /* for our definition in inet_aton.c, not usually needed. */ | |
125 | extern int inet_aton (); | |
126 | #endif | |
127 | ||
128 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
129 | (SCM address), | |
eefae538 GH |
130 | "Convert an IPv4 Internet address from printable string\n" |
131 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
132 | "@lisp\n" |
133 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
134 | "@end lisp") | |
135 | #define FUNC_NAME s_scm_inet_aton | |
136 | { | |
137 | struct in_addr soka; | |
138 | ||
139 | SCM_VALIDATE_STRING (1, address); | |
66c73b76 GH |
140 | if (inet_aton (SCM_STRING_CHARS (address), &soka) == 0) |
141 | SCM_MISC_ERROR ("bad address", SCM_EOL); | |
b9bd8526 | 142 | return scm_from_ulong (ntohl (soka.s_addr)); |
66c73b76 GH |
143 | } |
144 | #undef FUNC_NAME | |
145 | ||
146 | ||
147 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
148 | (SCM inetid), | |
eefae538 GH |
149 | "Convert an IPv4 Internet address to a printable\n" |
150 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
151 | "@lisp\n" |
152 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
153 | "@end lisp") | |
154 | #define FUNC_NAME s_scm_inet_ntoa | |
155 | { | |
156 | struct in_addr addr; | |
157 | char *s; | |
158 | SCM answer; | |
159 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
160 | s = inet_ntoa (addr); | |
36284627 | 161 | answer = scm_mem2string (s, strlen (s)); |
66c73b76 GH |
162 | return answer; |
163 | } | |
164 | #undef FUNC_NAME | |
165 | ||
166 | #ifdef HAVE_INET_NETOF | |
167 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
168 | (SCM address), | |
eefae538 GH |
169 | "Return the network number part of the given IPv4\n" |
170 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
171 | "@lisp\n" |
172 | "(inet-netof 2130706433) @result{} 127\n" | |
173 | "@end lisp") | |
174 | #define FUNC_NAME s_scm_inet_netof | |
175 | { | |
176 | struct in_addr addr; | |
177 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 178 | return scm_from_ulong (inet_netof (addr)); |
66c73b76 GH |
179 | } |
180 | #undef FUNC_NAME | |
181 | #endif | |
182 | ||
183 | #ifdef HAVE_INET_LNAOF | |
184 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
185 | (SCM address), | |
186 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
187 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
188 | "E.g.,\n\n" | |
66c73b76 GH |
189 | "@lisp\n" |
190 | "(inet-lnaof 2130706433) @result{} 1\n" | |
191 | "@end lisp") | |
192 | #define FUNC_NAME s_scm_lnaof | |
193 | { | |
194 | struct in_addr addr; | |
195 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 196 | return scm_from_ulong (inet_lnaof (addr)); |
66c73b76 GH |
197 | } |
198 | #undef FUNC_NAME | |
199 | #endif | |
200 | ||
201 | #ifdef HAVE_INET_MAKEADDR | |
202 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
203 | (SCM net, SCM lna), | |
eefae538 | 204 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 205 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 206 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
207 | "@lisp\n" |
208 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
209 | "@end lisp") | |
210 | #define FUNC_NAME s_scm_inet_makeaddr | |
211 | { | |
212 | struct in_addr addr; | |
213 | unsigned long netnum; | |
214 | unsigned long lnanum; | |
215 | ||
216 | netnum = SCM_NUM2ULONG (1, net); | |
217 | lnanum = SCM_NUM2ULONG (2, lna); | |
218 | addr = inet_makeaddr (netnum, lnanum); | |
b9bd8526 | 219 | return scm_from_ulong (ntohl (addr.s_addr)); |
66c73b76 GH |
220 | } |
221 | #undef FUNC_NAME | |
222 | #endif | |
223 | ||
a57a0b1e | 224 | #ifdef HAVE_IPV6 |
eefae538 | 225 | |
66c73b76 GH |
226 | /* flip a 128 bit IPv6 address between host and network order. */ |
227 | #ifdef WORDS_BIGENDIAN | |
228 | #define FLIP_NET_HOST_128(addr) | |
229 | #else | |
230 | #define FLIP_NET_HOST_128(addr)\ | |
231 | {\ | |
232 | int i;\ | |
233 | \ | |
234 | for (i = 0; i < 8; i++)\ | |
235 | {\ | |
2de4f939 | 236 | scm_t_uint8 c = (addr)[i];\ |
66c73b76 GH |
237 | \ |
238 | (addr)[i] = (addr)[15 - i];\ | |
239 | (addr)[15 - i] = c;\ | |
240 | }\ | |
241 | } | |
242 | #endif | |
243 | ||
2de4f939 RB |
244 | #ifdef WORDS_BIGENDIAN |
245 | #define FLIPCPY_NET_HOST_128(dest, src) memcpy (dest, src, 16) | |
246 | #else | |
247 | #define FLIPCPY_NET_HOST_128(dest, src) \ | |
248 | { \ | |
249 | const scm_t_uint8 *tmp_srcp = (src) + 15; \ | |
250 | scm_t_uint8 *tmp_destp = (dest); \ | |
251 | \ | |
252 | do { \ | |
253 | *tmp_destp++ = *tmp_srcp--; \ | |
254 | } while (tmp_srcp != (src)); \ | |
255 | } | |
256 | #endif | |
257 | ||
258 | ||
7310ad0c | 259 | #if (SIZEOF_SCM_T_BITS * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
260 | #error "Assumption that scm_t_bits <= 128 bits has been violated." |
261 | #endif | |
262 | ||
7310ad0c | 263 | #if (SIZEOF_UNSIGNED_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
264 | #error "Assumption that unsigned long <= 128 bits has been violated." |
265 | #endif | |
266 | ||
7310ad0c | 267 | #if (SIZEOF_UNSIGNED_LONG_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
268 | #error "Assumption that unsigned long long <= 128 bits has been violated." |
269 | #endif | |
270 | ||
66c73b76 GH |
271 | /* convert a 128 bit IPv6 address in network order to a host ordered |
272 | SCM integer. */ | |
7cee5b31 MV |
273 | static SCM |
274 | scm_from_ipv6 (const scm_t_uint8 *src) | |
66c73b76 | 275 | { |
2de4f939 RB |
276 | int i = 0; |
277 | const scm_t_uint8 *ptr = src; | |
278 | int num_zero_bytes = 0; | |
279 | scm_t_uint8 addr[16]; | |
66c73b76 | 280 | |
2de4f939 RB |
281 | /* count leading zeros (since we know it's bigendian, they'll be first) */ |
282 | while (i < 16) | |
66c73b76 | 283 | { |
2de4f939 RB |
284 | if (*ptr) break; |
285 | num_zero_bytes++; | |
286 | i++; | |
287 | } | |
66c73b76 | 288 | |
2de4f939 RB |
289 | if (SCM_SIZEOF_UNSIGNED_LONG_LONG != 0) /* compiler should optimize this */ |
290 | { | |
291 | if ((16 - num_zero_bytes) <= sizeof (unsigned long long)) | |
292 | { | |
293 | /* it fits */ | |
294 | unsigned long long x; | |
295 | ||
296 | FLIPCPY_NET_HOST_128(addr, src); | |
297 | #ifdef WORDS_BIGENDIAN | |
298 | memcpy (&x, addr + (16 - sizeof (x)), sizeof (x)); | |
299 | #else | |
300 | memcpy (&x, addr, sizeof (x)); | |
301 | #endif | |
b9bd8526 | 302 | return scm_from_ulong_long (x); |
2de4f939 | 303 | } |
66c73b76 GH |
304 | } |
305 | else | |
306 | { | |
2de4f939 RB |
307 | if ((16 - num_zero_bytes) <= sizeof (unsigned long)) |
308 | { | |
309 | /* this is just so that we use INUM where possible. */ | |
310 | unsigned long x; | |
311 | ||
312 | FLIPCPY_NET_HOST_128(addr, src); | |
313 | #ifdef WORDS_BIGENDIAN | |
314 | memcpy (&x, addr + (16 - sizeof (x)), sizeof (x)); | |
315 | #else | |
316 | memcpy (&x, addr, sizeof (x)); | |
317 | #endif | |
b9bd8526 | 318 | return scm_from_ulong (x); |
2de4f939 | 319 | } |
66c73b76 | 320 | } |
2de4f939 RB |
321 | /* otherwise get the big hammer */ |
322 | { | |
323 | SCM result = scm_i_mkbig (); | |
324 | ||
325 | mpz_import (SCM_I_BIG_MPZ (result), | |
326 | 1, /* chunk */ | |
327 | 1, /* big-endian chunk ordering */ | |
328 | 16, /* chunks are 16 bytes long */ | |
329 | 1, /* big-endian byte ordering */ | |
330 | 0, /* "nails" -- leading unused bits per chunk */ | |
331 | src); | |
332 | return scm_i_normbig (result); | |
333 | } | |
66c73b76 GH |
334 | } |
335 | ||
336 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
337 | network order. */ | |
7cee5b31 MV |
338 | static void |
339 | scm_to_ipv6 (scm_t_uint8 dst[16], SCM src) | |
66c73b76 | 340 | { |
e11e83f3 | 341 | if (SCM_I_INUMP (src)) |
66c73b76 | 342 | { |
e11e83f3 | 343 | scm_t_signed_bits n = SCM_I_INUM (src); |
7cee5b31 MV |
344 | if (n < 0) |
345 | scm_out_of_range (NULL, src); | |
2de4f939 RB |
346 | #ifdef WORDS_BIGENDIAN |
347 | memset (dst, 0, 16 - sizeof (scm_t_signed_bits)); | |
348 | memcpy (dst + (16 - sizeof (scm_t_signed_bits)), | |
349 | &n, | |
350 | sizeof (scm_t_signed_bits)); | |
351 | #else | |
352 | memset (dst + sizeof (scm_t_signed_bits), | |
353 | 0, | |
354 | 16 - sizeof (scm_t_signed_bits)); | |
355 | /* FIXME: this pair of ops is kinda wasteful -- should rewrite as | |
356 | a single loop perhaps, similar to the handling of bignums. */ | |
357 | memcpy (dst, &n, sizeof (scm_t_signed_bits)); | |
358 | FLIP_NET_HOST_128 (dst); | |
359 | #endif | |
66c73b76 | 360 | } |
7cee5b31 | 361 | else if (SCM_BIGP (src)) |
66c73b76 | 362 | { |
2de4f939 | 363 | size_t count; |
7cee5b31 MV |
364 | |
365 | if ((mpz_sgn (SCM_I_BIG_MPZ (src)) < 0) | |
366 | || mpz_sizeinbase (SCM_I_BIG_MPZ (src), 2) > 128) | |
367 | scm_out_of_range (NULL, src); | |
368 | ||
66c73b76 | 369 | memset (dst, 0, 16); |
2de4f939 RB |
370 | mpz_export (dst, |
371 | &count, | |
372 | 1, /* big-endian chunk ordering */ | |
373 | 16, /* chunks are 16 bytes long */ | |
374 | 1, /* big-endian byte ordering */ | |
375 | 0, /* "nails" -- leading unused bits per chunk */ | |
376 | SCM_I_BIG_MPZ (src)); | |
377 | scm_remember_upto_here_1 (src); | |
66c73b76 | 378 | } |
2de4f939 | 379 | else |
7cee5b31 | 380 | scm_wrong_type_arg (NULL, 0, src); |
2de4f939 RB |
381 | } |
382 | ||
66c73b76 GH |
383 | #ifdef HAVE_INET_PTON |
384 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, | |
385 | (SCM family, SCM address), | |
eefae538 GH |
386 | "Convert a string containing a printable network address to\n" |
387 | "an integer address. Note that unlike the C version of this\n" | |
388 | "function,\n" | |
66c73b76 | 389 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 390 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 391 | "@lisp\n" |
dd85ce47 ML |
392 | "(inet-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n" |
393 | "(inet-pton AF_INET6 \"::1\") @result{} 1\n" | |
66c73b76 GH |
394 | "@end lisp") |
395 | #define FUNC_NAME s_scm_inet_pton | |
396 | { | |
397 | int af; | |
398 | char *src; | |
399 | char dst[16]; | |
400 | int rv; | |
401 | ||
7cee5b31 | 402 | af = scm_to_int (family); |
66c73b76 GH |
403 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
404 | SCM_VALIDATE_STRING_COPY (2, address, src); | |
405 | rv = inet_pton (af, src, dst); | |
406 | if (rv == -1) | |
407 | SCM_SYSERROR; | |
408 | else if (rv == 0) | |
409 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
410 | if (af == AF_INET) | |
b9bd8526 | 411 | return scm_from_ulong (ntohl (*(scm_t_uint32 *) dst)); |
66c73b76 | 412 | else |
7cee5b31 | 413 | return scm_from_ipv6 ((char *) dst); |
66c73b76 GH |
414 | } |
415 | #undef FUNC_NAME | |
416 | #endif | |
417 | ||
418 | #ifdef HAVE_INET_NTOP | |
419 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, | |
420 | (SCM family, SCM address), | |
eefae538 | 421 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
422 | "Note that unlike the C version of this function,\n" |
423 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 424 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 425 | "@lisp\n" |
dd85ce47 | 426 | "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n" |
66c73b76 GH |
427 | "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n" |
428 | "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n" | |
429 | "@end lisp") | |
430 | #define FUNC_NAME s_scm_inet_ntop | |
431 | { | |
432 | int af; | |
433 | #ifdef INET6_ADDRSTRLEN | |
434 | char dst[INET6_ADDRSTRLEN]; | |
435 | #else | |
436 | char dst[46]; | |
437 | #endif | |
438 | char addr6[16]; | |
439 | ||
7cee5b31 | 440 | af = scm_to_int (family); |
66c73b76 GH |
441 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); |
442 | if (af == AF_INET) | |
eccde741 | 443 | *(scm_t_uint32 *) addr6 = htonl (SCM_NUM2ULONG (2, address)); |
66c73b76 | 444 | else |
7cee5b31 | 445 | scm_to_ipv6 (addr6, address); |
66c73b76 GH |
446 | if (inet_ntop (af, &addr6, dst, sizeof dst) == NULL) |
447 | SCM_SYSERROR; | |
448 | return scm_makfrom0str (dst); | |
449 | } | |
450 | #undef FUNC_NAME | |
451 | #endif | |
452 | ||
a57a0b1e | 453 | #endif /* HAVE_IPV6 */ |
eefae538 | 454 | |
bc45012d | 455 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 456 | |
439006bf | 457 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 458 | |
a1ec6916 | 459 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 460 | (SCM family, SCM style, SCM proto), |
1e6808ea | 461 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 462 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
463 | "integers. Supported values for @var{family} are\n" |
464 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
465 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
466 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
467 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 468 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 469 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
470 | "A single socket port cannot by used for communication until it\n" |
471 | "has been connected to another socket.") | |
1bbd0b84 | 472 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 473 | { |
370312ae | 474 | int fd; |
370312ae | 475 | |
7cee5b31 MV |
476 | fd = socket (scm_to_int (family), |
477 | scm_to_int (style), | |
478 | scm_to_int (proto)); | |
439006bf GH |
479 | if (fd == -1) |
480 | SCM_SYSERROR; | |
481 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 482 | } |
1bbd0b84 | 483 | #undef FUNC_NAME |
0f2d19dd | 484 | |
0e958795 | 485 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 486 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 487 | (SCM family, SCM style, SCM proto), |
1e6808ea | 488 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 489 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
490 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
491 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 492 | "@var{proto}.") |
1bbd0b84 | 493 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 494 | { |
370312ae GH |
495 | int fam; |
496 | int fd[2]; | |
370312ae | 497 | |
7cee5b31 | 498 | fam = scm_to_int (family); |
370312ae | 499 | |
7cee5b31 | 500 | if (socketpair (fam, scm_to_int (style), scm_to_int (proto), fd) == -1) |
1bbd0b84 | 501 | SCM_SYSERROR; |
370312ae | 502 | |
439006bf | 503 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 504 | } |
1bbd0b84 | 505 | #undef FUNC_NAME |
0e958795 | 506 | #endif |
0f2d19dd | 507 | |
a1ec6916 | 508 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 509 | (SCM sock, SCM level, SCM optname), |
1e6808ea | 510 | "Return the value of a particular socket option for the socket\n" |
eefae538 | 511 | "port @var{sock}. @var{level} is an integer code for type of\n" |
1e6808ea MG |
512 | "option being requested, e.g., @code{SOL_SOCKET} for\n" |
513 | "socket-level options. @var{optname} is an integer code for the\n" | |
514 | "option required and should be specified using one of the\n" | |
eefae538 | 515 | "symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n\n" |
1e6808ea MG |
516 | "The returned value is typically an integer but @code{SO_LINGER}\n" |
517 | "returns a pair of integers.") | |
1bbd0b84 | 518 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 519 | { |
370312ae | 520 | int fd; |
439006bf | 521 | /* size of optval is the largest supported option. */ |
370312ae GH |
522 | #ifdef HAVE_STRUCT_LINGER |
523 | char optval[sizeof (struct linger)]; | |
439006bf | 524 | int optlen = sizeof (struct linger); |
370312ae | 525 | #else |
1be6b49c ML |
526 | char optval[sizeof (size_t)]; |
527 | int optlen = sizeof (size_t); | |
370312ae GH |
528 | #endif |
529 | int ilevel; | |
530 | int ioptname; | |
0f2d19dd | 531 | |
78446828 | 532 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 | 533 | SCM_VALIDATE_OPFPORT (1, sock); |
7cee5b31 MV |
534 | ilevel = scm_to_int (level); |
535 | ioptname = scm_to_int (optname); | |
0f2d19dd | 536 | |
ee149d03 | 537 | fd = SCM_FPORT_FDES (sock); |
370312ae | 538 | if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1) |
1bbd0b84 | 539 | SCM_SYSERROR; |
1cc91f1b | 540 | |
439006bf | 541 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 542 | { |
439006bf GH |
543 | #ifdef SO_LINGER |
544 | if (ioptname == SO_LINGER) | |
545 | { | |
370312ae | 546 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
547 | struct linger *ling = (struct linger *) optval; |
548 | ||
b9bd8526 MV |
549 | return scm_cons (scm_from_long (ling->l_onoff), |
550 | scm_from_long (ling->l_linger)); | |
370312ae | 551 | #else |
b9bd8526 | 552 | return scm_cons (scm_from_long (*(int *) optval), |
7cee5b31 | 553 | scm_from_int (0)); |
0f2d19dd | 554 | #endif |
439006bf GH |
555 | } |
556 | else | |
370312ae | 557 | #endif |
439006bf | 558 | if (0 |
370312ae | 559 | #ifdef SO_SNDBUF |
439006bf | 560 | || ioptname == SO_SNDBUF |
370312ae GH |
561 | #endif |
562 | #ifdef SO_RCVBUF | |
439006bf | 563 | || ioptname == SO_RCVBUF |
370312ae | 564 | #endif |
439006bf GH |
565 | ) |
566 | { | |
b9bd8526 | 567 | return scm_from_size_t (*(size_t *) optval); |
439006bf GH |
568 | } |
569 | } | |
b9bd8526 | 570 | return scm_from_int (*(int *) optval); |
0f2d19dd | 571 | } |
1bbd0b84 | 572 | #undef FUNC_NAME |
0f2d19dd | 573 | |
a1ec6916 | 574 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 575 | (SCM sock, SCM level, SCM optname, SCM value), |
eefae538 GH |
576 | "Set the value of a particular socket option for the socket\n" |
577 | "port @var{sock}. @var{level} is an integer code for type of option\n" | |
b380b885 MD |
578 | "being set, e.g., @code{SOL_SOCKET} for socket-level options.\n" |
579 | "@var{optname} is an\n" | |
580 | "integer code for the option to set and should be specified using one of\n" | |
581 | "the symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n" | |
582 | "@var{value} is the value to which the option should be set. For\n" | |
583 | "most options this must be an integer, but for @code{SO_LINGER} it must\n" | |
584 | "be a pair.\n\n" | |
585 | "The return value is unspecified.") | |
1bbd0b84 | 586 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 587 | { |
370312ae | 588 | int fd; |
439006bf GH |
589 | int optlen = -1; |
590 | /* size of optval is the largest supported option. */ | |
370312ae | 591 | #ifdef HAVE_STRUCT_LINGER |
439006bf | 592 | char optval[sizeof (struct linger)]; |
370312ae | 593 | #else |
1be6b49c | 594 | char optval[sizeof (size_t)]; |
370312ae GH |
595 | #endif |
596 | int ilevel, ioptname; | |
439006bf | 597 | |
78446828 | 598 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
599 | |
600 | SCM_VALIDATE_OPFPORT (1, sock); | |
7cee5b31 MV |
601 | ilevel = scm_to_int (level); |
602 | ioptname = scm_to_int (optname); | |
439006bf | 603 | |
ee149d03 | 604 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
605 | |
606 | if (ilevel == SOL_SOCKET) | |
370312ae | 607 | { |
439006bf GH |
608 | #ifdef SO_LINGER |
609 | if (ioptname == SO_LINGER) | |
610 | { | |
370312ae | 611 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
612 | struct linger ling; |
613 | long lv; | |
614 | ||
615 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
616 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
617 | ling.l_onoff = (int) lv; | |
618 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_onoff == lv); | |
619 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
620 | ling.l_linger = (int) lv; | |
621 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_linger == lv); | |
622 | optlen = (int) sizeof (struct linger); | |
623 | memcpy (optval, (void *) &ling, optlen); | |
370312ae | 624 | #else |
439006bf GH |
625 | int ling; |
626 | long lv; | |
627 | ||
628 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
629 | /* timeout is ignored, but may as well validate it. */ | |
630 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
631 | ling = (int) lv; | |
632 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
633 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
634 | ling = (int) lv; | |
635 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
636 | optlen = (int) sizeof (int); | |
637 | (*(int *) optval) = ling; | |
638 | #endif | |
639 | } | |
640 | else | |
641 | #endif | |
642 | if (0 | |
370312ae | 643 | #ifdef SO_SNDBUF |
439006bf | 644 | || ioptname == SO_SNDBUF |
370312ae GH |
645 | #endif |
646 | #ifdef SO_RCVBUF | |
439006bf | 647 | || ioptname == SO_RCVBUF |
370312ae | 648 | #endif |
439006bf GH |
649 | ) |
650 | { | |
651 | long lv = SCM_NUM2LONG (4, value); | |
652 | ||
1be6b49c ML |
653 | optlen = (int) sizeof (size_t); |
654 | (*(size_t *) optval) = (size_t) lv; | |
439006bf GH |
655 | } |
656 | } | |
657 | if (optlen == -1) | |
0f2d19dd | 658 | { |
439006bf GH |
659 | /* Most options take an int. */ |
660 | long lv = SCM_NUM2LONG (4, value); | |
661 | int val = (int) lv; | |
662 | ||
663 | SCM_ASSERT_RANGE (SCM_ARG4, value, val == lv); | |
370312ae | 664 | optlen = (int) sizeof (int); |
439006bf | 665 | (*(int *) optval) = val; |
0f2d19dd | 666 | } |
370312ae | 667 | if (setsockopt (fd, ilevel, ioptname, (void *) optval, optlen) == -1) |
1bbd0b84 | 668 | SCM_SYSERROR; |
370312ae | 669 | return SCM_UNSPECIFIED; |
0f2d19dd | 670 | } |
1bbd0b84 | 671 | #undef FUNC_NAME |
0f2d19dd | 672 | |
a1ec6916 | 673 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 674 | (SCM sock, SCM how), |
b380b885 | 675 | "Sockets can be closed simply by using @code{close-port}. The\n" |
bb2c02f2 | 676 | "@code{shutdown} procedure allows reception or transmission on a\n" |
b380b885 MD |
677 | "connection to be shut down individually, according to the parameter\n" |
678 | "@var{how}:\n\n" | |
679 | "@table @asis\n" | |
680 | "@item 0\n" | |
681 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
682 | "@item 1\n" | |
683 | "Stop trying to transmit data from this socket. Discard any\n" | |
684 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
685 | "data already sent; don't retransmit it if it is lost.\n" | |
686 | "@item 2\n" | |
687 | "Stop both reception and transmission.\n" | |
688 | "@end table\n\n" | |
689 | "The return value is unspecified.") | |
1bbd0b84 | 690 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 691 | { |
370312ae | 692 | int fd; |
78446828 | 693 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 694 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 695 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 696 | if (shutdown (fd, scm_to_signed_integer (how, 0, 2)) == -1) |
1bbd0b84 | 697 | SCM_SYSERROR; |
370312ae GH |
698 | return SCM_UNSPECIFIED; |
699 | } | |
1bbd0b84 | 700 | #undef FUNC_NAME |
0f2d19dd | 701 | |
370312ae GH |
702 | /* convert fam/address/args into a sockaddr of the appropriate type. |
703 | args is modified by removing the arguments actually used. | |
704 | which_arg and proc are used when reporting errors: | |
705 | which_arg is the position of address in the original argument list. | |
706 | proc is the name of the original procedure. | |
707 | size returns the size of the structure allocated. */ | |
708 | ||
370312ae | 709 | static struct sockaddr * |
439006bf GH |
710 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
711 | const char *proc, int *size) | |
3453619b | 712 | #define FUNC_NAME proc |
370312ae GH |
713 | { |
714 | switch (fam) | |
0f2d19dd | 715 | { |
370312ae GH |
716 | case AF_INET: |
717 | { | |
370312ae | 718 | struct sockaddr_in *soka; |
3453619b GH |
719 | unsigned long addr; |
720 | int port; | |
370312ae | 721 | |
3453619b GH |
722 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
723 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
7cee5b31 | 724 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 725 | *args = SCM_CDR (*args); |
67329a9e | 726 | soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in)); |
439006bf GH |
727 | if (!soka) |
728 | scm_memory_error (proc); | |
3453619b GH |
729 | /* 4.4BSD-style interface includes sin_len member and defines SIN_LEN, |
730 | 4.3BSD does not. */ | |
731 | #ifdef SIN_LEN | |
732 | soka->sin_len = sizeof (struct sockaddr_in); | |
733 | #endif | |
370312ae | 734 | soka->sin_family = AF_INET; |
3453619b GH |
735 | soka->sin_addr.s_addr = htonl (addr); |
736 | soka->sin_port = htons (port); | |
370312ae GH |
737 | *size = sizeof (struct sockaddr_in); |
738 | return (struct sockaddr *) soka; | |
739 | } | |
a57a0b1e | 740 | #ifdef HAVE_IPV6 |
3453619b GH |
741 | case AF_INET6: |
742 | { | |
743 | /* see RFC2553. */ | |
744 | int port; | |
745 | struct sockaddr_in6 *soka; | |
746 | unsigned long flowinfo = 0; | |
747 | unsigned long scope_id = 0; | |
748 | ||
3453619b | 749 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
7cee5b31 | 750 | port = scm_to_int (SCM_CAR (*args)); |
3453619b GH |
751 | *args = SCM_CDR (*args); |
752 | if (SCM_CONSP (*args)) | |
753 | { | |
754 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
755 | *args = SCM_CDR (*args); | |
756 | if (SCM_CONSP (*args)) | |
757 | { | |
758 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
759 | scope_id); | |
760 | *args = SCM_CDR (*args); | |
761 | } | |
762 | } | |
67329a9e | 763 | soka = (struct sockaddr_in6 *) scm_malloc (sizeof (struct sockaddr_in6)); |
3453619b GH |
764 | if (!soka) |
765 | scm_memory_error (proc); | |
766 | #ifdef SIN_LEN6 | |
767 | soka->sin6_len = sizeof (struct sockaddr_in6); | |
768 | #endif | |
769 | soka->sin6_family = AF_INET6; | |
7cee5b31 | 770 | scm_to_ipv6 (soka->sin6_addr.s6_addr, address); |
5a525b84 | 771 | soka->sin6_port = htons (port); |
3453619b | 772 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 773 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 774 | soka->sin6_scope_id = scope_id; |
5a525b84 | 775 | #endif |
3453619b GH |
776 | *size = sizeof (struct sockaddr_in6); |
777 | return (struct sockaddr *) soka; | |
778 | } | |
779 | #endif | |
1ba8c23a | 780 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
781 | case AF_UNIX: |
782 | { | |
783 | struct sockaddr_un *soka; | |
439006bf | 784 | int addr_size; |
370312ae | 785 | |
a6d9e5ab | 786 | SCM_ASSERT (SCM_STRINGP (address), address, which_arg, proc); |
439006bf GH |
787 | /* the static buffer size in sockaddr_un seems to be arbitrary |
788 | and not necessarily a hard limit. e.g., the glibc manual | |
789 | suggests it may be possible to declare it size 0. let's | |
790 | ignore it. if the O/S doesn't like the size it will cause | |
791 | connect/bind etc., to fail. sun_path is always the last | |
792 | member of the structure. */ | |
793 | addr_size = sizeof (struct sockaddr_un) | |
794 | + max (0, SCM_STRING_LENGTH (address) + 1 - (sizeof soka->sun_path)); | |
67329a9e | 795 | soka = (struct sockaddr_un *) scm_malloc (addr_size); |
439006bf GH |
796 | if (!soka) |
797 | scm_memory_error (proc); | |
798 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ | |
799 | soka->sun_family = AF_UNIX; | |
34f0f2b8 | 800 | memcpy (soka->sun_path, SCM_STRING_CHARS (address), |
439006bf GH |
801 | SCM_STRING_LENGTH (address)); |
802 | *size = SUN_LEN (soka); | |
370312ae GH |
803 | return (struct sockaddr *) soka; |
804 | } | |
0e958795 | 805 | #endif |
370312ae | 806 | default: |
e11e83f3 | 807 | scm_out_of_range (proc, scm_from_int (fam)); |
0f2d19dd | 808 | } |
0f2d19dd | 809 | } |
3453619b | 810 | #undef FUNC_NAME |
370312ae | 811 | |
a1ec6916 | 812 | SCM_DEFINE (scm_connect, "connect", 3, 0, 1, |
1bbd0b84 | 813 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 814 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
815 | "family to the address\n" |
816 | "specified by @var{address} and possibly @var{args}.\n" | |
817 | "The format required for @var{address}\n" | |
818 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 819 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 820 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
821 | "filename where the socket is to be created.\n\n" |
822 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
823 | "@var{address} must be an integer IPv4 host address and\n" |
824 | "@var{args} must be a single integer port number.\n\n" | |
825 | "For a socket of family @code{AF_INET6},\n" | |
826 | "@var{address} must be an integer IPv6 host address and\n" | |
827 | "@var{args} may be up to three integers:\n" | |
828 | "port [flowinfo] [scope_id],\n" | |
829 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 830 | "The return value is unspecified.") |
1bbd0b84 | 831 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 832 | { |
370312ae GH |
833 | int fd; |
834 | struct sockaddr *soka; | |
439006bf | 835 | int size; |
0f2d19dd | 836 | |
78446828 | 837 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 838 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 839 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 840 | soka = scm_fill_sockaddr (scm_to_int (fam), address, &args, 3, FUNC_NAME, |
439006bf | 841 | &size); |
370312ae | 842 | if (connect (fd, soka, size) == -1) |
439006bf GH |
843 | { |
844 | int save_errno = errno; | |
845 | ||
846 | free (soka); | |
847 | errno = save_errno; | |
848 | SCM_SYSERROR; | |
849 | } | |
850 | free (soka); | |
370312ae | 851 | return SCM_UNSPECIFIED; |
0f2d19dd | 852 | } |
1bbd0b84 | 853 | #undef FUNC_NAME |
0f2d19dd | 854 | |
a1ec6916 | 855 | SCM_DEFINE (scm_bind, "bind", 3, 0, 1, |
1bbd0b84 | 856 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 857 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
858 | "Generally this only needs to be done for server sockets,\n" |
859 | "so they know where to look for incoming connections. A socket\n" | |
860 | "without an address will be assigned one automatically when it\n" | |
861 | "starts communicating.\n\n" | |
eefae538 GH |
862 | "The format of @var{address} and @var{args} depends\n" |
863 | "on the family of the socket.\n\n" | |
b380b885 | 864 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
865 | "is specified and must be a string with the filename where\n" |
866 | "the socket is to be created.\n\n" | |
867 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
868 | "must be an integer IPv4 address and @var{args}\n" | |
869 | "must be a single integer port number.\n\n" | |
870 | "The values of the following variables can also be used for\n" | |
871 | "@var{address}:\n\n" | |
b380b885 MD |
872 | "@defvar INADDR_ANY\n" |
873 | "Allow connections from any address.\n" | |
874 | "@end defvar\n\n" | |
875 | "@defvar INADDR_LOOPBACK\n" | |
876 | "The address of the local host using the loopback device.\n" | |
877 | "@end defvar\n\n" | |
878 | "@defvar INADDR_BROADCAST\n" | |
879 | "The broadcast address on the local network.\n" | |
880 | "@end defvar\n\n" | |
881 | "@defvar INADDR_NONE\n" | |
882 | "No address.\n" | |
883 | "@end defvar\n\n" | |
eefae538 GH |
884 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
885 | "must be an integer IPv6 address and @var{args}\n" | |
886 | "may be up to three integers:\n" | |
887 | "port [flowinfo] [scope_id],\n" | |
888 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 889 | "The return value is unspecified.") |
1bbd0b84 | 890 | #define FUNC_NAME s_scm_bind |
370312ae | 891 | { |
370312ae | 892 | struct sockaddr *soka; |
439006bf | 893 | int size; |
370312ae GH |
894 | int fd; |
895 | ||
78446828 | 896 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 897 | SCM_VALIDATE_OPFPORT (1, sock); |
7cee5b31 | 898 | soka = scm_fill_sockaddr (scm_to_int (fam), address, &args, 3, FUNC_NAME, |
439006bf | 899 | &size); |
ee149d03 | 900 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
901 | if (bind (fd, soka, size) == -1) |
902 | { | |
903 | int save_errno = errno; | |
904 | ||
905 | free (soka); | |
906 | errno = save_errno; | |
1bbd0b84 | 907 | SCM_SYSERROR; |
439006bf GH |
908 | } |
909 | free (soka); | |
370312ae GH |
910 | return SCM_UNSPECIFIED; |
911 | } | |
1bbd0b84 | 912 | #undef FUNC_NAME |
370312ae | 913 | |
a1ec6916 | 914 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 915 | (SCM sock, SCM backlog), |
eefae538 | 916 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
917 | "requests. @var{backlog} is an integer specifying\n" |
918 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
919 | "If the queue fills, new clients will fail to connect until\n" |
920 | "the server calls @code{accept} to accept a connection from\n" | |
921 | "the queue.\n\n" | |
b380b885 | 922 | "The return value is unspecified.") |
1bbd0b84 | 923 | #define FUNC_NAME s_scm_listen |
370312ae GH |
924 | { |
925 | int fd; | |
78446828 | 926 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 927 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 928 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 929 | if (listen (fd, scm_to_int (backlog)) == -1) |
1bbd0b84 | 930 | SCM_SYSERROR; |
370312ae GH |
931 | return SCM_UNSPECIFIED; |
932 | } | |
1bbd0b84 | 933 | #undef FUNC_NAME |
370312ae GH |
934 | |
935 | /* Put the components of a sockaddr into a new SCM vector. */ | |
370312ae | 936 | static SCM |
aca23b65 MV |
937 | scm_addr_vector (const struct sockaddr *address, int addr_size, |
938 | const char *proc) | |
0f2d19dd | 939 | { |
370312ae | 940 | short int fam = address->sa_family; |
1d1559ce | 941 | SCM result =SCM_EOL; |
34d19ef6 | 942 | |
439006bf | 943 | |
5a525b84 | 944 | switch (fam) |
0f2d19dd | 945 | { |
5a525b84 GH |
946 | case AF_INET: |
947 | { | |
e1368a8d | 948 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 949 | |
1d1559ce | 950 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
34d19ef6 | 951 | |
b9bd8526 MV |
952 | SCM_VECTOR_SET(result, 0, |
953 | scm_from_short (fam)); | |
954 | SCM_VECTOR_SET(result, 1, | |
955 | scm_from_ulong (ntohl (nad->sin_addr.s_addr))); | |
956 | SCM_VECTOR_SET(result, 2, | |
957 | scm_from_ushort (ntohs (nad->sin_port))); | |
5a525b84 GH |
958 | } |
959 | break; | |
a57a0b1e | 960 | #ifdef HAVE_IPV6 |
5a525b84 GH |
961 | case AF_INET6: |
962 | { | |
e1368a8d | 963 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 | 964 | |
1d1559ce | 965 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); |
b9bd8526 | 966 | SCM_VECTOR_SET(result, 0, scm_from_short (fam)); |
7cee5b31 | 967 | SCM_VECTOR_SET(result, 1, scm_from_ipv6 (nad->sin6_addr.s6_addr)); |
b9bd8526 MV |
968 | SCM_VECTOR_SET(result, 2, scm_from_ushort (ntohs (nad->sin6_port))); |
969 | SCM_VECTOR_SET(result, 3, scm_from_uint32 (nad->sin6_flowinfo)); | |
5a525b84 | 970 | #ifdef HAVE_SIN6_SCOPE_ID |
b9bd8526 | 971 | SCM_VECTOR_SET(result, 4, scm_from_ulong (nad->sin6_scope_id)); |
5a525b84 | 972 | #else |
1d1559ce | 973 | SCM_VECTOR_SET(result, 4, SCM_INUM0); |
0e958795 | 974 | #endif |
5a525b84 GH |
975 | } |
976 | break; | |
977 | #endif | |
978 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
979 | case AF_UNIX: | |
980 | { | |
e1368a8d | 981 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 982 | |
1d1559ce | 983 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
34d19ef6 | 984 | |
b9bd8526 | 985 | SCM_VECTOR_SET(result, 0, scm_from_short (fam)); |
aca23b65 MV |
986 | /* When addr_size is not enough to cover sun_path, do not try |
987 | to access it. */ | |
988 | if (addr_size <= offsetof (struct sockaddr_un, sun_path)) | |
989 | SCM_VECTOR_SET(result, 1, SCM_BOOL_F); | |
990 | else | |
991 | SCM_VECTOR_SET(result, 1, scm_mem2string (nad->sun_path, | |
992 | strlen (nad->sun_path))); | |
5a525b84 GH |
993 | } |
994 | break; | |
995 | #endif | |
996 | default: | |
997 | scm_misc_error (proc, "Unrecognised address family: ~A", | |
e11e83f3 | 998 | scm_list_1 (scm_from_int (fam))); |
0f2d19dd | 999 | } |
1d1559ce | 1000 | return result; |
370312ae GH |
1001 | } |
1002 | ||
439006bf GH |
1003 | /* calculate the size of a buffer large enough to hold any supported |
1004 | sockaddr type. if the buffer isn't large enough, certain system | |
1005 | calls will return a truncated address. */ | |
370312ae | 1006 | |
439006bf GH |
1007 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) |
1008 | #define MAX_SIZE_UN sizeof (struct sockaddr_un) | |
0e958795 | 1009 | #else |
439006bf | 1010 | #define MAX_SIZE_UN 0 |
0e958795 | 1011 | #endif |
439006bf | 1012 | |
a57a0b1e | 1013 | #if defined (HAVE_IPV6) |
5a525b84 GH |
1014 | #define MAX_SIZE_IN6 sizeof (struct sockaddr_in6) |
1015 | #else | |
1016 | #define MAX_SIZE_IN6 0 | |
1017 | #endif | |
1018 | ||
1019 | #define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\ | |
1020 | MAX_SIZE_UN) | |
0f2d19dd | 1021 | |
a1ec6916 | 1022 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 1023 | (SCM sock), |
eefae538 GH |
1024 | "Accept a connection on a bound, listening socket.\n" |
1025 | "If there\n" | |
1026 | "are no pending connections in the queue, wait until\n" | |
1027 | "one is available unless the non-blocking option has been\n" | |
1028 | "set on the socket.\n\n" | |
b380b885 | 1029 | "The return value is a\n" |
eefae538 GH |
1030 | "pair in which the @emph{car} is a new socket port for the\n" |
1031 | "connection and\n" | |
1032 | "the @emph{cdr} is an object with address information about the\n" | |
1033 | "client which initiated the connection.\n\n" | |
1034 | "@var{sock} does not become part of the\n" | |
b380b885 | 1035 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1036 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1037 | { |
370312ae GH |
1038 | int fd; |
1039 | int newfd; | |
1040 | SCM address; | |
1041 | SCM newsock; | |
439006bf GH |
1042 | int addr_size = MAX_ADDR_SIZE; |
1043 | char max_addr[MAX_ADDR_SIZE]; | |
1044 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1045 | |
78446828 | 1046 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1047 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1048 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
1049 | newfd = accept (fd, addr, &addr_size); |
1050 | if (newfd == -1) | |
1051 | SCM_SYSERROR; | |
1052 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
aca23b65 | 1053 | address = scm_addr_vector (addr, addr_size, FUNC_NAME); |
370312ae | 1054 | return scm_cons (newsock, address); |
0f2d19dd | 1055 | } |
1bbd0b84 | 1056 | #undef FUNC_NAME |
0f2d19dd | 1057 | |
a1ec6916 | 1058 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1059 | (SCM sock), |
eefae538 | 1060 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1061 | "object returned by @code{accept}. On many systems the address\n" |
1062 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1063 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1064 | { |
370312ae | 1065 | int fd; |
439006bf GH |
1066 | int addr_size = MAX_ADDR_SIZE; |
1067 | char max_addr[MAX_ADDR_SIZE]; | |
1068 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1069 | ||
78446828 | 1070 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1071 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1072 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1073 | if (getsockname (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1074 | SCM_SYSERROR; |
aca23b65 | 1075 | return scm_addr_vector (addr, addr_size, FUNC_NAME); |
0f2d19dd | 1076 | } |
1bbd0b84 | 1077 | #undef FUNC_NAME |
0f2d19dd | 1078 | |
a1ec6916 | 1079 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1080 | (SCM sock), |
eefae538 | 1081 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1082 | "is connected to, in the same form as the object returned by\n" |
1083 | "@code{accept}. On many systems the address of a socket in the\n" | |
1084 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1085 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1086 | { |
370312ae | 1087 | int fd; |
439006bf GH |
1088 | int addr_size = MAX_ADDR_SIZE; |
1089 | char max_addr[MAX_ADDR_SIZE]; | |
1090 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1091 | ||
78446828 | 1092 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1093 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1094 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1095 | if (getpeername (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1096 | SCM_SYSERROR; |
aca23b65 | 1097 | return scm_addr_vector (addr, addr_size, FUNC_NAME); |
0f2d19dd | 1098 | } |
1bbd0b84 | 1099 | #undef FUNC_NAME |
0f2d19dd | 1100 | |
a1ec6916 | 1101 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1102 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1103 | "Receive data from a socket port.\n" |
1104 | "@var{sock} must already\n" | |
b380b885 MD |
1105 | "be bound to the address from which data is to be received.\n" |
1106 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1107 | "the data will be written. The size of @var{buf} limits\n" |
1108 | "the amount of\n" | |
b380b885 | 1109 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1110 | "protocols, if a packet larger than this limit is encountered\n" |
1111 | "then some data\n" | |
b380b885 MD |
1112 | "will be irrevocably lost.\n\n" |
1113 | "The optional @var{flags} argument is a value or\n" | |
1114 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1115 | "The value returned is the number of bytes read from the\n" |
1116 | "socket.\n\n" | |
1117 | "Note that the data is read directly from the socket file\n" | |
1118 | "descriptor:\n" | |
09831f94 | 1119 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1120 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1121 | { |
370312ae GH |
1122 | int rv; |
1123 | int fd; | |
1124 | int flg; | |
370312ae | 1125 | |
34d19ef6 HWN |
1126 | SCM_VALIDATE_OPFPORT (1, sock); |
1127 | SCM_VALIDATE_STRING (2, buf); | |
7cee5b31 MV |
1128 | if (SCM_UNBNDP (flags)) |
1129 | flg = 0; | |
1130 | else | |
1131 | flg = scm_to_int (flags); | |
ee149d03 | 1132 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1133 | |
bfa974f0 | 1134 | SCM_SYSCALL (rv = recv (fd, SCM_STRING_CHARS (buf), SCM_STRING_LENGTH (buf), flg)); |
370312ae | 1135 | if (rv == -1) |
1bbd0b84 | 1136 | SCM_SYSERROR; |
370312ae | 1137 | |
7cee5b31 | 1138 | return scm_from_int (rv); |
370312ae | 1139 | } |
1bbd0b84 | 1140 | #undef FUNC_NAME |
370312ae | 1141 | |
a1ec6916 | 1142 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1143 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1144 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1145 | "@var{sock} must already be bound to a destination address. The\n" | |
1146 | "value returned is the number of bytes transmitted --\n" | |
1147 | "it's possible for\n" | |
1148 | "this to be less than the length of @var{message}\n" | |
1149 | "if the socket is\n" | |
1150 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1151 | "is a value or\n" | |
b380b885 | 1152 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1153 | "Note that the data is written directly to the socket\n" |
1154 | "file descriptor:\n" | |
b380b885 | 1155 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1156 | #define FUNC_NAME s_scm_send |
370312ae GH |
1157 | { |
1158 | int rv; | |
1159 | int fd; | |
1160 | int flg; | |
1161 | ||
78446828 | 1162 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1163 | SCM_VALIDATE_OPFPORT (1, sock); |
a6d9e5ab | 1164 | SCM_VALIDATE_STRING (2, message); |
7cee5b31 MV |
1165 | if (SCM_UNBNDP (flags)) |
1166 | flg = 0; | |
1167 | else | |
1168 | flg = scm_to_int (flags); | |
ee149d03 | 1169 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1170 | |
34f0f2b8 | 1171 | SCM_SYSCALL (rv = send (fd, SCM_STRING_CHARS (message), SCM_STRING_LENGTH (message), flg)); |
370312ae | 1172 | if (rv == -1) |
1bbd0b84 | 1173 | SCM_SYSERROR; |
7cee5b31 | 1174 | return scm_from_int (rv); |
370312ae | 1175 | } |
1bbd0b84 | 1176 | #undef FUNC_NAME |
370312ae | 1177 | |
a1ec6916 | 1178 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1179 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
eefae538 | 1180 | "Return data from the socket port @var{sock} and also\n" |
1e6808ea | 1181 | "information about where the data was received from.\n" |
eefae538 | 1182 | "@var{sock} must already be bound to the address from which\n" |
1e6808ea MG |
1183 | "data is to be received. @code{str}, is a string into which the\n" |
1184 | "data will be written. The size of @var{str} limits the amount\n" | |
1185 | "of data which can be received: in the case of packet protocols,\n" | |
1186 | "if a packet larger than this limit is encountered then some\n" | |
eefae538 | 1187 | "data will be irrevocably lost.\n\n" |
1e6808ea | 1188 | "The optional @var{flags} argument is a value or bitwise OR of\n" |
eefae538 | 1189 | "@code{MSG_OOB}, @code{MSG_PEEK}, @code{MSG_DONTROUTE} etc.\n\n" |
1e6808ea MG |
1190 | "The value returned is a pair: the @emph{car} is the number of\n" |
1191 | "bytes read from the socket and the @emph{cdr} an address object\n" | |
eefae538 GH |
1192 | "in the same form as returned by @code{accept}. The address\n" |
1193 | "will given as @code{#f} if not available, as is usually the\n" | |
1194 | "case for stream sockets.\n\n" | |
1e6808ea | 1195 | "The @var{start} and @var{end} arguments specify a substring of\n" |
eefae538 | 1196 | "@var{str} to which the data should be written.\n\n" |
1e6808ea MG |
1197 | "Note that the data is read directly from the socket file\n" |
1198 | "descriptor: any unread buffered port data is ignored.") | |
1bbd0b84 | 1199 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1200 | { |
1201 | int rv; | |
1202 | int fd; | |
1203 | int flg; | |
60d02d09 GH |
1204 | char *buf; |
1205 | int offset; | |
1146b6cd | 1206 | int cend; |
370312ae | 1207 | SCM address; |
439006bf GH |
1208 | int addr_size = MAX_ADDR_SIZE; |
1209 | char max_addr[MAX_ADDR_SIZE]; | |
1210 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1211 | |
34d19ef6 | 1212 | SCM_VALIDATE_OPFPORT (1, sock); |
60d02d09 GH |
1213 | fd = SCM_FPORT_FDES (sock); |
1214 | SCM_VALIDATE_SUBSTRING_SPEC_COPY (2, str, buf, 4, start, offset, | |
1215 | 5, end, cend); | |
1146b6cd GH |
1216 | if (SCM_UNBNDP (flags)) |
1217 | flg = 0; | |
370312ae | 1218 | else |
60d02d09 | 1219 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1220 | |
97d0e20b GH |
1221 | /* recvfrom will not necessarily return an address. usually nothing |
1222 | is returned for stream sockets. */ | |
439006bf | 1223 | addr->sa_family = AF_UNSPEC; |
60d02d09 | 1224 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1225 | cend - offset, flg, |
439006bf | 1226 | addr, &addr_size)); |
370312ae | 1227 | if (rv == -1) |
1bbd0b84 | 1228 | SCM_SYSERROR; |
eefae538 | 1229 | if (addr->sa_family != AF_UNSPEC) |
aca23b65 | 1230 | address = scm_addr_vector (addr, addr_size, FUNC_NAME); |
370312ae GH |
1231 | else |
1232 | address = SCM_BOOL_F; | |
1233 | ||
e11e83f3 | 1234 | return scm_cons (scm_from_int (rv), address); |
0f2d19dd | 1235 | } |
1bbd0b84 | 1236 | #undef FUNC_NAME |
0f2d19dd | 1237 | |
a1ec6916 | 1238 | SCM_DEFINE (scm_sendto, "sendto", 4, 0, 1, |
1bbd0b84 | 1239 | (SCM sock, SCM message, SCM fam, SCM address, SCM args_and_flags), |
eefae538 GH |
1240 | "Transmit the string @var{message} on the socket port\n" |
1241 | "@var{sock}. The\n" | |
1242 | "destination address is specified using the @var{fam},\n" | |
1243 | "@var{address} and\n" | |
1244 | "@var{args_and_flags} arguments, in a similar way to the\n" | |
1245 | "@code{connect} procedure. @var{args_and_flags} contains\n" | |
1246 | "the usual connection arguments optionally followed by\n" | |
1247 | "a flags argument, which is a value or\n" | |
b380b885 | 1248 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1249 | "The value returned is the number of bytes transmitted --\n" |
1250 | "it's possible for\n" | |
1251 | "this to be less than the length of @var{message} if the\n" | |
1252 | "socket is\n" | |
1253 | "set to be non-blocking.\n" | |
1254 | "Note that the data is written directly to the socket\n" | |
1255 | "file descriptor:\n" | |
b380b885 | 1256 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1257 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1258 | { |
1259 | int rv; | |
1260 | int fd; | |
1261 | int flg; | |
1262 | struct sockaddr *soka; | |
439006bf | 1263 | int size; |
370312ae | 1264 | |
78446828 | 1265 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1266 | SCM_VALIDATE_FPORT (1, sock); |
a6d9e5ab | 1267 | SCM_VALIDATE_STRING (2, message); |
ee149d03 | 1268 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 1269 | soka = scm_fill_sockaddr (scm_to_int (fam), address, &args_and_flags, 4, |
1bbd0b84 | 1270 | FUNC_NAME, &size); |
370312ae GH |
1271 | if (SCM_NULLP (args_and_flags)) |
1272 | flg = 0; | |
1273 | else | |
1274 | { | |
34d19ef6 | 1275 | SCM_VALIDATE_CONS (5, args_and_flags); |
e4b265d8 | 1276 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1277 | } |
439006bf GH |
1278 | SCM_SYSCALL (rv = sendto (fd, SCM_STRING_CHARS (message), |
1279 | SCM_STRING_LENGTH (message), | |
ae2fa5bc | 1280 | flg, soka, size)); |
370312ae | 1281 | if (rv == -1) |
439006bf GH |
1282 | { |
1283 | int save_errno = errno; | |
1284 | free (soka); | |
1285 | errno = save_errno; | |
1286 | SCM_SYSERROR; | |
1287 | } | |
1288 | free (soka); | |
e11e83f3 | 1289 | return scm_from_int (rv); |
370312ae | 1290 | } |
1bbd0b84 | 1291 | #undef FUNC_NAME |
370312ae GH |
1292 | \f |
1293 | ||
1294 | ||
1295 | void | |
0f2d19dd | 1296 | scm_init_socket () |
0f2d19dd | 1297 | { |
370312ae GH |
1298 | /* protocol families. */ |
1299 | #ifdef AF_UNSPEC | |
e11e83f3 | 1300 | scm_c_define ("AF_UNSPEC", scm_from_int (AF_UNSPEC)); |
370312ae GH |
1301 | #endif |
1302 | #ifdef AF_UNIX | |
e11e83f3 | 1303 | scm_c_define ("AF_UNIX", scm_from_int (AF_UNIX)); |
370312ae GH |
1304 | #endif |
1305 | #ifdef AF_INET | |
e11e83f3 | 1306 | scm_c_define ("AF_INET", scm_from_int (AF_INET)); |
370312ae | 1307 | #endif |
3453619b | 1308 | #ifdef AF_INET6 |
e11e83f3 | 1309 | scm_c_define ("AF_INET6", scm_from_int (AF_INET6)); |
3453619b | 1310 | #endif |
370312ae GH |
1311 | |
1312 | #ifdef PF_UNSPEC | |
e11e83f3 | 1313 | scm_c_define ("PF_UNSPEC", scm_from_int (PF_UNSPEC)); |
370312ae GH |
1314 | #endif |
1315 | #ifdef PF_UNIX | |
e11e83f3 | 1316 | scm_c_define ("PF_UNIX", scm_from_int (PF_UNIX)); |
370312ae GH |
1317 | #endif |
1318 | #ifdef PF_INET | |
e11e83f3 | 1319 | scm_c_define ("PF_INET", scm_from_int (PF_INET)); |
370312ae | 1320 | #endif |
3453619b | 1321 | #ifdef PF_INET6 |
e11e83f3 | 1322 | scm_c_define ("PF_INET6", scm_from_int (PF_INET6)); |
3453619b | 1323 | #endif |
370312ae | 1324 | |
66c73b76 GH |
1325 | /* standard addresses. */ |
1326 | #ifdef INADDR_ANY | |
b9bd8526 | 1327 | scm_c_define ("INADDR_ANY", scm_from_ulong (INADDR_ANY)); |
66c73b76 GH |
1328 | #endif |
1329 | #ifdef INADDR_BROADCAST | |
b9bd8526 | 1330 | scm_c_define ("INADDR_BROADCAST", scm_from_ulong (INADDR_BROADCAST)); |
66c73b76 GH |
1331 | #endif |
1332 | #ifdef INADDR_NONE | |
b9bd8526 | 1333 | scm_c_define ("INADDR_NONE", scm_from_ulong (INADDR_NONE)); |
66c73b76 GH |
1334 | #endif |
1335 | #ifdef INADDR_LOOPBACK | |
b9bd8526 | 1336 | scm_c_define ("INADDR_LOOPBACK", scm_from_ulong (INADDR_LOOPBACK)); |
66c73b76 GH |
1337 | #endif |
1338 | ||
370312ae GH |
1339 | /* socket types. */ |
1340 | #ifdef SOCK_STREAM | |
e11e83f3 | 1341 | scm_c_define ("SOCK_STREAM", scm_from_int (SOCK_STREAM)); |
370312ae GH |
1342 | #endif |
1343 | #ifdef SOCK_DGRAM | |
e11e83f3 | 1344 | scm_c_define ("SOCK_DGRAM", scm_from_int (SOCK_DGRAM)); |
370312ae GH |
1345 | #endif |
1346 | #ifdef SOCK_RAW | |
e11e83f3 | 1347 | scm_c_define ("SOCK_RAW", scm_from_int (SOCK_RAW)); |
370312ae GH |
1348 | #endif |
1349 | ||
1350 | /* setsockopt level. */ | |
1351 | #ifdef SOL_SOCKET | |
e11e83f3 | 1352 | scm_c_define ("SOL_SOCKET", scm_from_int (SOL_SOCKET)); |
370312ae GH |
1353 | #endif |
1354 | #ifdef SOL_IP | |
e11e83f3 | 1355 | scm_c_define ("SOL_IP", scm_from_int (SOL_IP)); |
370312ae GH |
1356 | #endif |
1357 | #ifdef SOL_TCP | |
e11e83f3 | 1358 | scm_c_define ("SOL_TCP", scm_from_int (SOL_TCP)); |
370312ae GH |
1359 | #endif |
1360 | #ifdef SOL_UDP | |
e11e83f3 | 1361 | scm_c_define ("SOL_UDP", scm_from_int (SOL_UDP)); |
370312ae GH |
1362 | #endif |
1363 | ||
1364 | /* setsockopt names. */ | |
1365 | #ifdef SO_DEBUG | |
e11e83f3 | 1366 | scm_c_define ("SO_DEBUG", scm_from_int (SO_DEBUG)); |
370312ae GH |
1367 | #endif |
1368 | #ifdef SO_REUSEADDR | |
e11e83f3 | 1369 | scm_c_define ("SO_REUSEADDR", scm_from_int (SO_REUSEADDR)); |
370312ae GH |
1370 | #endif |
1371 | #ifdef SO_STYLE | |
e11e83f3 | 1372 | scm_c_define ("SO_STYLE", scm_from_int (SO_STYLE)); |
370312ae GH |
1373 | #endif |
1374 | #ifdef SO_TYPE | |
e11e83f3 | 1375 | scm_c_define ("SO_TYPE", scm_from_int (SO_TYPE)); |
370312ae GH |
1376 | #endif |
1377 | #ifdef SO_ERROR | |
e11e83f3 | 1378 | scm_c_define ("SO_ERROR", scm_from_int (SO_ERROR)); |
370312ae GH |
1379 | #endif |
1380 | #ifdef SO_DONTROUTE | |
e11e83f3 | 1381 | scm_c_define ("SO_DONTROUTE", scm_from_int (SO_DONTROUTE)); |
370312ae GH |
1382 | #endif |
1383 | #ifdef SO_BROADCAST | |
e11e83f3 | 1384 | scm_c_define ("SO_BROADCAST", scm_from_int (SO_BROADCAST)); |
370312ae GH |
1385 | #endif |
1386 | #ifdef SO_SNDBUF | |
e11e83f3 | 1387 | scm_c_define ("SO_SNDBUF", scm_from_int (SO_SNDBUF)); |
370312ae GH |
1388 | #endif |
1389 | #ifdef SO_RCVBUF | |
e11e83f3 | 1390 | scm_c_define ("SO_RCVBUF", scm_from_int (SO_RCVBUF)); |
370312ae GH |
1391 | #endif |
1392 | #ifdef SO_KEEPALIVE | |
e11e83f3 | 1393 | scm_c_define ("SO_KEEPALIVE", scm_from_int (SO_KEEPALIVE)); |
370312ae GH |
1394 | #endif |
1395 | #ifdef SO_OOBINLINE | |
e11e83f3 | 1396 | scm_c_define ("SO_OOBINLINE", scm_from_int (SO_OOBINLINE)); |
370312ae GH |
1397 | #endif |
1398 | #ifdef SO_NO_CHECK | |
e11e83f3 | 1399 | scm_c_define ("SO_NO_CHECK", scm_from_int (SO_NO_CHECK)); |
370312ae GH |
1400 | #endif |
1401 | #ifdef SO_PRIORITY | |
e11e83f3 | 1402 | scm_c_define ("SO_PRIORITY", scm_from_int (SO_PRIORITY)); |
370312ae GH |
1403 | #endif |
1404 | #ifdef SO_LINGER | |
e11e83f3 | 1405 | scm_c_define ("SO_LINGER", scm_from_int (SO_LINGER)); |
370312ae GH |
1406 | #endif |
1407 | ||
1408 | /* recv/send options. */ | |
1409 | #ifdef MSG_OOB | |
e11e83f3 | 1410 | scm_c_define ("MSG_OOB", scm_from_int (MSG_OOB)); |
370312ae GH |
1411 | #endif |
1412 | #ifdef MSG_PEEK | |
e11e83f3 | 1413 | scm_c_define ("MSG_PEEK", scm_from_int (MSG_PEEK)); |
370312ae GH |
1414 | #endif |
1415 | #ifdef MSG_DONTROUTE | |
e11e83f3 | 1416 | scm_c_define ("MSG_DONTROUTE", scm_from_int (MSG_DONTROUTE)); |
370312ae GH |
1417 | #endif |
1418 | ||
b4e15479 SJ |
1419 | #ifdef __MINGW32__ |
1420 | scm_i_init_socket_Win32 (); | |
1421 | #endif | |
1422 | ||
0f2d19dd | 1423 | scm_add_feature ("socket"); |
370312ae | 1424 | |
a0599745 | 1425 | #include "libguile/socket.x" |
0f2d19dd JB |
1426 | } |
1427 | ||
89e00824 ML |
1428 | |
1429 | /* | |
1430 | Local Variables: | |
1431 | c-file-style: "gnu" | |
1432 | End: | |
1433 | */ |