Commit | Line | Data |
---|---|---|
d21a1dc8 LC |
1 | /* Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, |
2 | * 2006, 2007, 2009, 2011 Free Software Foundation, Inc. | |
3 | * | |
73be1d9e | 4 | * This library is free software; you can redistribute it and/or |
53befeb7 NJ |
5 | * modify it under the terms of the GNU Lesser General Public License |
6 | * as published by the Free Software Foundation; either version 3 of | |
7 | * the License, or (at your option) any later version. | |
86667910 | 8 | * |
53befeb7 NJ |
9 | * This library is distributed in the hope that it will be useful, but |
10 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
73be1d9e MV |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | * Lesser General Public License for more details. | |
86667910 | 13 | * |
73be1d9e MV |
14 | * You should have received a copy of the GNU Lesser General Public |
15 | * License along with this library; if not, write to the Free Software | |
53befeb7 NJ |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
17 | * 02110-1301 USA | |
73be1d9e | 18 | */ |
1bbd0b84 | 19 | |
1bbd0b84 | 20 | |
0f2d19dd JB |
21 | \f |
22 | ||
dbb605f5 | 23 | #ifdef HAVE_CONFIG_H |
eccde741 RB |
24 | # include <config.h> |
25 | #endif | |
26 | ||
e6e2e95a | 27 | #include <errno.h> |
69d49ac8 | 28 | #include <gmp.h> |
e6e2e95a | 29 | |
a0599745 | 30 | #include "libguile/_scm.h" |
2fa901a5 | 31 | #include "libguile/arrays.h" |
a0599745 MD |
32 | #include "libguile/feature.h" |
33 | #include "libguile/fports.h" | |
34 | #include "libguile/strings.h" | |
35 | #include "libguile/vectors.h" | |
7f9994d9 | 36 | #include "libguile/dynwind.h" |
587a3355 | 37 | #include "libguile/srfi-13.h" |
20e6290e | 38 | |
a0599745 MD |
39 | #include "libguile/validate.h" |
40 | #include "libguile/socket.h" | |
95b88819 | 41 | |
b4e15479 SJ |
42 | #ifdef __MINGW32__ |
43 | #include "win32-socket.h" | |
e91f21dc | 44 | #include <netdb.h> |
b4e15479 SJ |
45 | #endif |
46 | ||
af68e5e5 SJ |
47 | #ifdef HAVE_STDINT_H |
48 | #include <stdint.h> | |
49 | #endif | |
95b88819 GH |
50 | #ifdef HAVE_STRING_H |
51 | #include <string.h> | |
52 | #endif | |
370312ae GH |
53 | #ifdef HAVE_UNISTD_H |
54 | #include <unistd.h> | |
55 | #endif | |
0f2d19dd | 56 | #include <sys/types.h> |
f87c105a | 57 | #ifdef HAVE_WINSOCK2_H |
82893676 MG |
58 | #include <winsock2.h> |
59 | #else | |
0f2d19dd | 60 | #include <sys/socket.h> |
1ba8c23a | 61 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
0f2d19dd | 62 | #include <sys/un.h> |
0e958795 | 63 | #endif |
0f2d19dd JB |
64 | #include <netinet/in.h> |
65 | #include <netdb.h> | |
66 | #include <arpa/inet.h> | |
82893676 | 67 | #endif |
0f2d19dd | 68 | |
97d0e20b GH |
69 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN) |
70 | #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \ | |
71 | + strlen ((ptr)->sun_path)) | |
72 | #endif | |
73 | ||
f43f3620 LC |
74 | /* The largest possible socket address. Wrapping it in a union guarantees |
75 | that the compiler will make it suitably aligned. */ | |
76 | typedef union | |
77 | { | |
78 | struct sockaddr sockaddr; | |
79 | struct sockaddr_in sockaddr_in; | |
80 | ||
81 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
82 | struct sockaddr_un sockaddr_un; | |
83 | #endif | |
84 | #ifdef HAVE_IPV6 | |
85 | struct sockaddr_in6 sockaddr_in6; | |
86 | #endif | |
87 | } scm_t_max_sockaddr; | |
88 | ||
89 | ||
90 | /* Maximum size of a socket address. */ | |
91 | #define MAX_ADDR_SIZE (sizeof (scm_t_max_sockaddr)) | |
92 | ||
93 | ||
0f2d19dd JB |
94 | \f |
95 | ||
a1ec6916 | 96 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
97 | (SCM value), |
98 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
99 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
100 | "and returned as a new integer.") | |
1bbd0b84 | 101 | #define FUNC_NAME s_scm_htons |
5c11cc9d | 102 | { |
7cee5b31 | 103 | return scm_from_ushort (htons (scm_to_ushort (value))); |
5c11cc9d | 104 | } |
1bbd0b84 | 105 | #undef FUNC_NAME |
5c11cc9d | 106 | |
a1ec6916 | 107 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
108 | (SCM value), |
109 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
110 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
111 | "and returned as a new integer.") | |
1bbd0b84 | 112 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d | 113 | { |
7cee5b31 | 114 | return scm_from_ushort (ntohs (scm_to_ushort (value))); |
5c11cc9d | 115 | } |
1bbd0b84 | 116 | #undef FUNC_NAME |
5c11cc9d | 117 | |
a1ec6916 | 118 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
119 | (SCM value), |
120 | "Convert a 32 bit quantity from host to network byte ordering.\n" | |
121 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
122 | "and returned as a new integer.") | |
1bbd0b84 | 123 | #define FUNC_NAME s_scm_htonl |
5c11cc9d | 124 | { |
8ab3d8a0 | 125 | return scm_from_ulong (htonl (scm_to_uint32 (value))); |
5c11cc9d | 126 | } |
1bbd0b84 | 127 | #undef FUNC_NAME |
5c11cc9d | 128 | |
a1ec6916 | 129 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
130 | (SCM value), |
131 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
132 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
133 | "and returned as a new integer.") | |
1bbd0b84 | 134 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 135 | { |
8ab3d8a0 | 136 | return scm_from_ulong (ntohl (scm_to_uint32 (value))); |
5c11cc9d | 137 | } |
1bbd0b84 | 138 | #undef FUNC_NAME |
5c11cc9d | 139 | |
66c73b76 GH |
140 | #ifdef HAVE_INET_NETOF |
141 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
142 | (SCM address), | |
eefae538 GH |
143 | "Return the network number part of the given IPv4\n" |
144 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
145 | "@lisp\n" |
146 | "(inet-netof 2130706433) @result{} 127\n" | |
147 | "@end lisp") | |
148 | #define FUNC_NAME s_scm_inet_netof | |
149 | { | |
150 | struct in_addr addr; | |
151 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 152 | return scm_from_ulong (inet_netof (addr)); |
66c73b76 GH |
153 | } |
154 | #undef FUNC_NAME | |
155 | #endif | |
156 | ||
157 | #ifdef HAVE_INET_LNAOF | |
158 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
159 | (SCM address), | |
160 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
161 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
162 | "E.g.,\n\n" | |
66c73b76 GH |
163 | "@lisp\n" |
164 | "(inet-lnaof 2130706433) @result{} 1\n" | |
165 | "@end lisp") | |
166 | #define FUNC_NAME s_scm_lnaof | |
167 | { | |
168 | struct in_addr addr; | |
169 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
b9bd8526 | 170 | return scm_from_ulong (inet_lnaof (addr)); |
66c73b76 GH |
171 | } |
172 | #undef FUNC_NAME | |
173 | #endif | |
174 | ||
175 | #ifdef HAVE_INET_MAKEADDR | |
176 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
177 | (SCM net, SCM lna), | |
eefae538 | 178 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 179 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 180 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
181 | "@lisp\n" |
182 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
183 | "@end lisp") | |
184 | #define FUNC_NAME s_scm_inet_makeaddr | |
185 | { | |
186 | struct in_addr addr; | |
187 | unsigned long netnum; | |
188 | unsigned long lnanum; | |
189 | ||
190 | netnum = SCM_NUM2ULONG (1, net); | |
191 | lnanum = SCM_NUM2ULONG (2, lna); | |
192 | addr = inet_makeaddr (netnum, lnanum); | |
b9bd8526 | 193 | return scm_from_ulong (ntohl (addr.s_addr)); |
66c73b76 GH |
194 | } |
195 | #undef FUNC_NAME | |
196 | #endif | |
197 | ||
a57a0b1e | 198 | #ifdef HAVE_IPV6 |
eefae538 | 199 | |
66c73b76 GH |
200 | /* flip a 128 bit IPv6 address between host and network order. */ |
201 | #ifdef WORDS_BIGENDIAN | |
202 | #define FLIP_NET_HOST_128(addr) | |
203 | #else | |
204 | #define FLIP_NET_HOST_128(addr)\ | |
205 | {\ | |
206 | int i;\ | |
207 | \ | |
208 | for (i = 0; i < 8; i++)\ | |
209 | {\ | |
2de4f939 | 210 | scm_t_uint8 c = (addr)[i];\ |
66c73b76 GH |
211 | \ |
212 | (addr)[i] = (addr)[15 - i];\ | |
213 | (addr)[15 - i] = c;\ | |
214 | }\ | |
215 | } | |
216 | #endif | |
217 | ||
2de4f939 RB |
218 | #ifdef WORDS_BIGENDIAN |
219 | #define FLIPCPY_NET_HOST_128(dest, src) memcpy (dest, src, 16) | |
220 | #else | |
221 | #define FLIPCPY_NET_HOST_128(dest, src) \ | |
222 | { \ | |
223 | const scm_t_uint8 *tmp_srcp = (src) + 15; \ | |
224 | scm_t_uint8 *tmp_destp = (dest); \ | |
225 | \ | |
226 | do { \ | |
227 | *tmp_destp++ = *tmp_srcp--; \ | |
228 | } while (tmp_srcp != (src)); \ | |
229 | } | |
230 | #endif | |
231 | ||
232 | ||
7310ad0c | 233 | #if (SIZEOF_SCM_T_BITS * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
234 | #error "Assumption that scm_t_bits <= 128 bits has been violated." |
235 | #endif | |
236 | ||
7310ad0c | 237 | #if (SIZEOF_UNSIGNED_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
238 | #error "Assumption that unsigned long <= 128 bits has been violated." |
239 | #endif | |
240 | ||
7310ad0c | 241 | #if (SIZEOF_UNSIGNED_LONG_LONG * SCM_CHAR_BIT) > 128 |
2de4f939 RB |
242 | #error "Assumption that unsigned long long <= 128 bits has been violated." |
243 | #endif | |
244 | ||
66c73b76 GH |
245 | /* convert a 128 bit IPv6 address in network order to a host ordered |
246 | SCM integer. */ | |
7cee5b31 MV |
247 | static SCM |
248 | scm_from_ipv6 (const scm_t_uint8 *src) | |
66c73b76 | 249 | { |
2b4d1547 KR |
250 | SCM result = scm_i_mkbig (); |
251 | mpz_import (SCM_I_BIG_MPZ (result), | |
252 | 1, /* chunk */ | |
253 | 1, /* big-endian chunk ordering */ | |
254 | 16, /* chunks are 16 bytes long */ | |
255 | 1, /* big-endian byte ordering */ | |
256 | 0, /* "nails" -- leading unused bits per chunk */ | |
257 | src); | |
258 | return scm_i_normbig (result); | |
259 | } | |
66c73b76 GH |
260 | |
261 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
262 | network order. */ | |
7cee5b31 MV |
263 | static void |
264 | scm_to_ipv6 (scm_t_uint8 dst[16], SCM src) | |
66c73b76 | 265 | { |
e11e83f3 | 266 | if (SCM_I_INUMP (src)) |
66c73b76 | 267 | { |
e11e83f3 | 268 | scm_t_signed_bits n = SCM_I_INUM (src); |
7cee5b31 MV |
269 | if (n < 0) |
270 | scm_out_of_range (NULL, src); | |
2de4f939 RB |
271 | #ifdef WORDS_BIGENDIAN |
272 | memset (dst, 0, 16 - sizeof (scm_t_signed_bits)); | |
273 | memcpy (dst + (16 - sizeof (scm_t_signed_bits)), | |
274 | &n, | |
275 | sizeof (scm_t_signed_bits)); | |
276 | #else | |
277 | memset (dst + sizeof (scm_t_signed_bits), | |
278 | 0, | |
279 | 16 - sizeof (scm_t_signed_bits)); | |
280 | /* FIXME: this pair of ops is kinda wasteful -- should rewrite as | |
281 | a single loop perhaps, similar to the handling of bignums. */ | |
282 | memcpy (dst, &n, sizeof (scm_t_signed_bits)); | |
283 | FLIP_NET_HOST_128 (dst); | |
284 | #endif | |
66c73b76 | 285 | } |
7cee5b31 | 286 | else if (SCM_BIGP (src)) |
66c73b76 | 287 | { |
2de4f939 | 288 | size_t count; |
7cee5b31 MV |
289 | |
290 | if ((mpz_sgn (SCM_I_BIG_MPZ (src)) < 0) | |
291 | || mpz_sizeinbase (SCM_I_BIG_MPZ (src), 2) > 128) | |
292 | scm_out_of_range (NULL, src); | |
293 | ||
66c73b76 | 294 | memset (dst, 0, 16); |
2de4f939 RB |
295 | mpz_export (dst, |
296 | &count, | |
297 | 1, /* big-endian chunk ordering */ | |
298 | 16, /* chunks are 16 bytes long */ | |
299 | 1, /* big-endian byte ordering */ | |
300 | 0, /* "nails" -- leading unused bits per chunk */ | |
301 | SCM_I_BIG_MPZ (src)); | |
302 | scm_remember_upto_here_1 (src); | |
66c73b76 | 303 | } |
2de4f939 | 304 | else |
1ff4da65 | 305 | scm_wrong_type_arg_msg ("scm_to_ipv6", 0, src, "integer"); |
2de4f939 RB |
306 | } |
307 | ||
e91f21dc | 308 | #endif /* HAVE_IPV6 */ |
66c73b76 | 309 | |
e91f21dc | 310 | \f |
66c73b76 | 311 | |
66c73b76 GH |
312 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, |
313 | (SCM family, SCM address), | |
eefae538 | 314 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
315 | "Note that unlike the C version of this function,\n" |
316 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 317 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 | 318 | "@lisp\n" |
dd85ce47 | 319 | "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n" |
187a4390 NJ |
320 | "(inet-ntop AF_INET6 (- (expt 2 128) 1))\n" |
321 | " @result{} \"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\"\n" | |
66c73b76 GH |
322 | "@end lisp") |
323 | #define FUNC_NAME s_scm_inet_ntop | |
324 | { | |
325 | int af; | |
326 | #ifdef INET6_ADDRSTRLEN | |
327 | char dst[INET6_ADDRSTRLEN]; | |
328 | #else | |
329 | char dst[46]; | |
330 | #endif | |
7a5fb796 | 331 | const char *result; |
66c73b76 | 332 | |
7cee5b31 | 333 | af = scm_to_int (family); |
e91f21dc LC |
334 | SCM_ASSERT_RANGE (1, family, |
335 | af == AF_INET | |
336 | #ifdef HAVE_IPV6 | |
337 | || af == AF_INET6 | |
338 | #endif | |
339 | ); | |
66c73b76 | 340 | if (af == AF_INET) |
7a5fb796 LC |
341 | { |
342 | scm_t_uint32 addr4; | |
343 | ||
344 | addr4 = htonl (SCM_NUM2ULONG (2, address)); | |
345 | result = inet_ntop (af, &addr4, dst, sizeof (dst)); | |
346 | } | |
e91f21dc LC |
347 | #ifdef HAVE_IPV6 |
348 | else if (af == AF_INET6) | |
7a5fb796 LC |
349 | { |
350 | char addr6[16]; | |
351 | ||
352 | scm_to_ipv6 ((scm_t_uint8 *) addr6, address); | |
353 | result = inet_ntop (af, &addr6, dst, sizeof (dst)); | |
354 | } | |
e91f21dc LC |
355 | #endif |
356 | else | |
357 | SCM_MISC_ERROR ("unsupported address family", family); | |
7a5fb796 LC |
358 | |
359 | if (result == NULL) | |
66c73b76 | 360 | SCM_SYSERROR; |
7a5fb796 | 361 | |
cc95e00a | 362 | return scm_from_locale_string (dst); |
66c73b76 GH |
363 | } |
364 | #undef FUNC_NAME | |
66c73b76 | 365 | |
e91f21dc LC |
366 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, |
367 | (SCM family, SCM address), | |
368 | "Convert a string containing a printable network address to\n" | |
369 | "an integer address. Note that unlike the C version of this\n" | |
370 | "function,\n" | |
371 | "the result is an integer with normal host byte ordering.\n" | |
372 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" | |
373 | "@lisp\n" | |
374 | "(inet-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n" | |
375 | "(inet-pton AF_INET6 \"::1\") @result{} 1\n" | |
376 | "@end lisp") | |
377 | #define FUNC_NAME s_scm_inet_pton | |
378 | { | |
379 | int af; | |
380 | char *src; | |
381 | scm_t_uint32 dst[4]; | |
382 | int rv, eno; | |
383 | ||
384 | af = scm_to_int (family); | |
385 | SCM_ASSERT_RANGE (1, family, | |
386 | af == AF_INET | |
387 | #ifdef HAVE_IPV6 | |
388 | || af == AF_INET6 | |
389 | #endif | |
390 | ); | |
eefae538 | 391 | |
e91f21dc LC |
392 | src = scm_to_locale_string (address); |
393 | rv = inet_pton (af, src, dst); | |
394 | eno = errno; | |
395 | free (src); | |
396 | errno = eno; | |
397 | ||
398 | if (rv == -1) | |
399 | SCM_SYSERROR; | |
400 | else if (rv == 0) | |
401 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
402 | if (af == AF_INET) | |
403 | return scm_from_ulong (ntohl (*dst)); | |
404 | #ifdef HAVE_IPV6 | |
405 | else if (af == AF_INET6) | |
406 | return scm_from_ipv6 ((scm_t_uint8 *) dst); | |
407 | #endif | |
408 | else | |
409 | SCM_MISC_ERROR ("unsupported address family", family); | |
410 | } | |
411 | #undef FUNC_NAME | |
412 | ||
413 | \f | |
bc45012d | 414 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 415 | |
439006bf | 416 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 417 | |
a1ec6916 | 418 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 419 | (SCM family, SCM style, SCM proto), |
1e6808ea | 420 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 421 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
422 | "integers. Supported values for @var{family} are\n" |
423 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
424 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
425 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
426 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 427 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 428 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
429 | "A single socket port cannot by used for communication until it\n" |
430 | "has been connected to another socket.") | |
1bbd0b84 | 431 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 432 | { |
370312ae | 433 | int fd; |
370312ae | 434 | |
7cee5b31 MV |
435 | fd = socket (scm_to_int (family), |
436 | scm_to_int (style), | |
437 | scm_to_int (proto)); | |
439006bf GH |
438 | if (fd == -1) |
439 | SCM_SYSERROR; | |
440 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 441 | } |
1bbd0b84 | 442 | #undef FUNC_NAME |
0f2d19dd | 443 | |
0e958795 | 444 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 445 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 446 | (SCM family, SCM style, SCM proto), |
1e6808ea | 447 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 448 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
449 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
450 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 451 | "@var{proto}.") |
1bbd0b84 | 452 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 453 | { |
370312ae GH |
454 | int fam; |
455 | int fd[2]; | |
370312ae | 456 | |
7cee5b31 | 457 | fam = scm_to_int (family); |
370312ae | 458 | |
7cee5b31 | 459 | if (socketpair (fam, scm_to_int (style), scm_to_int (proto), fd) == -1) |
1bbd0b84 | 460 | SCM_SYSERROR; |
370312ae | 461 | |
439006bf | 462 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 463 | } |
1bbd0b84 | 464 | #undef FUNC_NAME |
0e958795 | 465 | #endif |
0f2d19dd | 466 | |
f43f3620 LC |
467 | /* Possible results for `getsockopt ()'. Wrapping it into a union guarantees |
468 | suitable alignment. */ | |
469 | typedef union | |
470 | { | |
471 | #ifdef HAVE_STRUCT_LINGER | |
472 | struct linger linger; | |
473 | #endif | |
474 | size_t size; | |
475 | int integer; | |
476 | } scm_t_getsockopt_result; | |
477 | ||
a1ec6916 | 478 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 479 | (SCM sock, SCM level, SCM optname), |
72e3dae1 KR |
480 | "Return an option value from socket port @var{sock}.\n" |
481 | "\n" | |
482 | "@var{level} is an integer specifying a protocol layer, either\n" | |
483 | "@code{SOL_SOCKET} for socket level options, or a protocol\n" | |
484 | "number from the @code{IPPROTO} constants or @code{getprotoent}\n" | |
485 | "(@pxref{Network Databases}).\n" | |
486 | "\n" | |
487 | "@defvar SOL_SOCKET\n" | |
488 | "@defvarx IPPROTO_IP\n" | |
489 | "@defvarx IPPROTO_TCP\n" | |
490 | "@defvarx IPPROTO_UDP\n" | |
491 | "@end defvar\n" | |
492 | "\n" | |
493 | "@var{optname} is an integer specifying an option within the\n" | |
494 | "protocol layer.\n" | |
495 | "\n" | |
496 | "For @code{SOL_SOCKET} level the following @var{optname}s are\n" | |
497 | "defined (when provided by the system). For their meaning see\n" | |
498 | "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n" | |
499 | "Manual}, or @command{man 7 socket}.\n" | |
500 | "\n" | |
501 | "@defvar SO_DEBUG\n" | |
502 | "@defvarx SO_REUSEADDR\n" | |
503 | "@defvarx SO_STYLE\n" | |
504 | "@defvarx SO_TYPE\n" | |
505 | "@defvarx SO_ERROR\n" | |
506 | "@defvarx SO_DONTROUTE\n" | |
507 | "@defvarx SO_BROADCAST\n" | |
508 | "@defvarx SO_SNDBUF\n" | |
509 | "@defvarx SO_RCVBUF\n" | |
510 | "@defvarx SO_KEEPALIVE\n" | |
511 | "@defvarx SO_OOBINLINE\n" | |
512 | "@defvarx SO_NO_CHECK\n" | |
513 | "@defvarx SO_PRIORITY\n" | |
514 | "The value returned is an integer.\n" | |
515 | "@end defvar\n" | |
516 | "\n" | |
517 | "@defvar SO_LINGER\n" | |
518 | "The @var{value} returned is a pair of integers\n" | |
519 | "@code{(@var{ENABLE} . @var{TIMEOUT})}. On old systems without\n" | |
520 | "timeout support (ie.@: without @code{struct linger}), only\n" | |
521 | "@var{ENABLE} has an effect but the value in Guile is always a\n" | |
522 | "pair.\n" | |
523 | "@end defvar") | |
1bbd0b84 | 524 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 525 | { |
370312ae | 526 | int fd; |
439006bf | 527 | /* size of optval is the largest supported option. */ |
f43f3620 LC |
528 | scm_t_getsockopt_result optval; |
529 | socklen_t optlen = sizeof (optval); | |
370312ae GH |
530 | int ilevel; |
531 | int ioptname; | |
0f2d19dd | 532 | |
78446828 | 533 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 | 534 | SCM_VALIDATE_OPFPORT (1, sock); |
7cee5b31 MV |
535 | ilevel = scm_to_int (level); |
536 | ioptname = scm_to_int (optname); | |
0f2d19dd | 537 | |
ee149d03 | 538 | fd = SCM_FPORT_FDES (sock); |
f43f3620 | 539 | if (getsockopt (fd, ilevel, ioptname, (void *) &optval, &optlen) == -1) |
1bbd0b84 | 540 | SCM_SYSERROR; |
1cc91f1b | 541 | |
439006bf | 542 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 543 | { |
439006bf GH |
544 | #ifdef SO_LINGER |
545 | if (ioptname == SO_LINGER) | |
546 | { | |
370312ae | 547 | #ifdef HAVE_STRUCT_LINGER |
f43f3620 | 548 | struct linger *ling = (struct linger *) &optval; |
439006bf | 549 | |
b9bd8526 MV |
550 | return scm_cons (scm_from_long (ling->l_onoff), |
551 | scm_from_long (ling->l_linger)); | |
370312ae | 552 | #else |
f43f3620 | 553 | return scm_cons (scm_from_long (*(int *) &optval), |
7cee5b31 | 554 | scm_from_int (0)); |
0f2d19dd | 555 | #endif |
439006bf GH |
556 | } |
557 | else | |
370312ae | 558 | #endif |
439006bf | 559 | if (0 |
370312ae | 560 | #ifdef SO_SNDBUF |
439006bf | 561 | || ioptname == SO_SNDBUF |
370312ae GH |
562 | #endif |
563 | #ifdef SO_RCVBUF | |
439006bf | 564 | || ioptname == SO_RCVBUF |
370312ae | 565 | #endif |
439006bf GH |
566 | ) |
567 | { | |
f43f3620 | 568 | return scm_from_size_t (*(size_t *) &optval); |
439006bf GH |
569 | } |
570 | } | |
f43f3620 | 571 | return scm_from_int (*(int *) &optval); |
0f2d19dd | 572 | } |
1bbd0b84 | 573 | #undef FUNC_NAME |
0f2d19dd | 574 | |
a1ec6916 | 575 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 576 | (SCM sock, SCM level, SCM optname, SCM value), |
72e3dae1 KR |
577 | "Set an option on socket port @var{sock}. The return value is\n" |
578 | "unspecified.\n" | |
579 | "\n" | |
580 | "@var{level} is an integer specifying a protocol layer, either\n" | |
581 | "@code{SOL_SOCKET} for socket level options, or a protocol\n" | |
582 | "number from the @code{IPPROTO} constants or @code{getprotoent}\n" | |
583 | "(@pxref{Network Databases}).\n" | |
584 | "\n" | |
585 | "@defvar SOL_SOCKET\n" | |
586 | "@defvarx IPPROTO_IP\n" | |
587 | "@defvarx IPPROTO_TCP\n" | |
588 | "@defvarx IPPROTO_UDP\n" | |
589 | "@end defvar\n" | |
590 | "\n" | |
591 | "@var{optname} is an integer specifying an option within the\n" | |
592 | "protocol layer.\n" | |
593 | "\n" | |
594 | "For @code{SOL_SOCKET} level the following @var{optname}s are\n" | |
595 | "defined (when provided by the system). For their meaning see\n" | |
596 | "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n" | |
597 | "Manual}, or @command{man 7 socket}.\n" | |
598 | "\n" | |
599 | "@defvar SO_DEBUG\n" | |
600 | "@defvarx SO_REUSEADDR\n" | |
601 | "@defvarx SO_STYLE\n" | |
602 | "@defvarx SO_TYPE\n" | |
603 | "@defvarx SO_ERROR\n" | |
604 | "@defvarx SO_DONTROUTE\n" | |
605 | "@defvarx SO_BROADCAST\n" | |
606 | "@defvarx SO_SNDBUF\n" | |
607 | "@defvarx SO_RCVBUF\n" | |
608 | "@defvarx SO_KEEPALIVE\n" | |
609 | "@defvarx SO_OOBINLINE\n" | |
610 | "@defvarx SO_NO_CHECK\n" | |
611 | "@defvarx SO_PRIORITY\n" | |
612 | "@var{value} is an integer.\n" | |
613 | "@end defvar\n" | |
614 | "\n" | |
615 | "@defvar SO_LINGER\n" | |
616 | "@var{value} is a pair of integers @code{(@var{ENABLE}\n" | |
617 | ". @var{TIMEOUT})}. On old systems without timeout support\n" | |
618 | "(ie.@: without @code{struct linger}), only @var{ENABLE} has an\n" | |
619 | "effect but the value in Guile is always a pair.\n" | |
620 | "@end defvar\n" | |
621 | "\n" | |
622 | "@c Note that we refer only to ``man ip'' here. On GNU/Linux it's\n" | |
623 | "@c ``man 7 ip'' but on NetBSD it's ``man 4 ip''.\n" | |
624 | "@c \n" | |
625 | "For IP level (@code{IPPROTO_IP}) the following @var{optname}s\n" | |
626 | "are defined (when provided by the system). See @command{man\n" | |
627 | "ip} for what they mean.\n" | |
628 | "\n" | |
511246a1 TCM |
629 | "@defvar IP_MULTICAST_IF\n" |
630 | "This sets the source interface used by multicast traffic.\n" | |
631 | "@end defvar\n" | |
632 | "\n" | |
633 | "@defvar IP_MULTICAST_TTL\n" | |
634 | "This sets the default TTL for multicast traffic. This defaults \n" | |
635 | "to 1 and should be increased to allow traffic to pass beyond the\n" | |
636 | "local network.\n" | |
637 | "@end defvar\n" | |
638 | "\n" | |
72e3dae1 KR |
639 | "@defvar IP_ADD_MEMBERSHIP\n" |
640 | "@defvarx IP_DROP_MEMBERSHIP\n" | |
641 | "These can be used only with @code{setsockopt}, not\n" | |
642 | "@code{getsockopt}. @var{value} is a pair\n" | |
643 | "@code{(@var{MULTIADDR} . @var{INTERFACEADDR})} of IPv4\n" | |
644 | "addresses (@pxref{Network Address Conversion}).\n" | |
645 | "@var{MULTIADDR} is a multicast address to be added to or\n" | |
646 | "dropped from the interface @var{INTERFACEADDR}.\n" | |
647 | "@var{INTERFACEADDR} can be @code{INADDR_ANY} to have the system\n" | |
648 | "select the interface. @var{INTERFACEADDR} can also be an\n" | |
f1b7209b KR |
649 | "interface index number, on systems supporting that.\n" |
650 | "@end defvar") | |
1bbd0b84 | 651 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 652 | { |
370312ae | 653 | int fd; |
1c80707c MV |
654 | |
655 | int opt_int; | |
370312ae | 656 | #ifdef HAVE_STRUCT_LINGER |
1c80707c | 657 | struct linger opt_linger; |
370312ae | 658 | #endif |
ecc9f40f | 659 | |
56a3dcd4 | 660 | #ifdef HAVE_STRUCT_IP_MREQ |
1c80707c | 661 | struct ip_mreq opt_mreq; |
ecc9f40f | 662 | #endif |
1c80707c MV |
663 | |
664 | const void *optval = NULL; | |
665 | socklen_t optlen = 0; | |
666 | ||
370312ae | 667 | int ilevel, ioptname; |
439006bf | 668 | |
78446828 | 669 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
670 | |
671 | SCM_VALIDATE_OPFPORT (1, sock); | |
7cee5b31 MV |
672 | ilevel = scm_to_int (level); |
673 | ioptname = scm_to_int (optname); | |
439006bf | 674 | |
ee149d03 | 675 | fd = SCM_FPORT_FDES (sock); |
1c80707c | 676 | |
439006bf | 677 | if (ilevel == SOL_SOCKET) |
370312ae | 678 | { |
439006bf GH |
679 | #ifdef SO_LINGER |
680 | if (ioptname == SO_LINGER) | |
681 | { | |
370312ae | 682 | #ifdef HAVE_STRUCT_LINGER |
d2e53ed6 | 683 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); |
1c80707c MV |
684 | opt_linger.l_onoff = scm_to_int (SCM_CAR (value)); |
685 | opt_linger.l_linger = scm_to_int (SCM_CDR (value)); | |
686 | optlen = sizeof (struct linger); | |
687 | optval = &opt_linger; | |
370312ae | 688 | #else |
d2e53ed6 | 689 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); |
1c80707c | 690 | opt_int = scm_to_int (SCM_CAR (value)); |
439006bf | 691 | /* timeout is ignored, but may as well validate it. */ |
1c80707c MV |
692 | scm_to_int (SCM_CDR (value)); |
693 | optlen = sizeof (int); | |
694 | optval = &opt_int; | |
439006bf GH |
695 | #endif |
696 | } | |
697 | else | |
698 | #endif | |
699 | if (0 | |
370312ae | 700 | #ifdef SO_SNDBUF |
439006bf | 701 | || ioptname == SO_SNDBUF |
370312ae GH |
702 | #endif |
703 | #ifdef SO_RCVBUF | |
439006bf | 704 | || ioptname == SO_RCVBUF |
370312ae | 705 | #endif |
439006bf GH |
706 | ) |
707 | { | |
1c80707c MV |
708 | opt_int = scm_to_int (value); |
709 | optlen = sizeof (size_t); | |
710 | optval = &opt_int; | |
439006bf GH |
711 | } |
712 | } | |
1c80707c | 713 | |
56a3dcd4 | 714 | #ifdef HAVE_STRUCT_IP_MREQ |
1c80707c MV |
715 | if (ilevel == IPPROTO_IP && |
716 | (ioptname == IP_ADD_MEMBERSHIP || ioptname == IP_DROP_MEMBERSHIP)) | |
0f2d19dd | 717 | { |
1c80707c MV |
718 | /* Fourth argument must be a pair of addresses. */ |
719 | SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME); | |
720 | opt_mreq.imr_multiaddr.s_addr = htonl (scm_to_ulong (SCM_CAR (value))); | |
721 | opt_mreq.imr_interface.s_addr = htonl (scm_to_ulong (SCM_CDR (value))); | |
722 | optlen = sizeof (opt_mreq); | |
723 | optval = &opt_mreq; | |
724 | } | |
ecc9f40f | 725 | #endif |
439006bf | 726 | |
1c80707c MV |
727 | if (optval == NULL) |
728 | { | |
729 | /* Most options take an int. */ | |
730 | opt_int = scm_to_int (value); | |
731 | optlen = sizeof (int); | |
732 | optval = &opt_int; | |
0f2d19dd | 733 | } |
1c80707c MV |
734 | |
735 | if (setsockopt (fd, ilevel, ioptname, optval, optlen) == -1) | |
1bbd0b84 | 736 | SCM_SYSERROR; |
370312ae | 737 | return SCM_UNSPECIFIED; |
0f2d19dd | 738 | } |
1bbd0b84 | 739 | #undef FUNC_NAME |
0f2d19dd | 740 | |
a1ec6916 | 741 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 742 | (SCM sock, SCM how), |
b380b885 | 743 | "Sockets can be closed simply by using @code{close-port}. The\n" |
bb2c02f2 | 744 | "@code{shutdown} procedure allows reception or transmission on a\n" |
b380b885 MD |
745 | "connection to be shut down individually, according to the parameter\n" |
746 | "@var{how}:\n\n" | |
747 | "@table @asis\n" | |
748 | "@item 0\n" | |
749 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
750 | "@item 1\n" | |
751 | "Stop trying to transmit data from this socket. Discard any\n" | |
752 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
753 | "data already sent; don't retransmit it if it is lost.\n" | |
754 | "@item 2\n" | |
755 | "Stop both reception and transmission.\n" | |
756 | "@end table\n\n" | |
757 | "The return value is unspecified.") | |
1bbd0b84 | 758 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 759 | { |
370312ae | 760 | int fd; |
78446828 | 761 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 762 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 763 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 764 | if (shutdown (fd, scm_to_signed_integer (how, 0, 2)) == -1) |
1bbd0b84 | 765 | SCM_SYSERROR; |
370312ae GH |
766 | return SCM_UNSPECIFIED; |
767 | } | |
1bbd0b84 | 768 | #undef FUNC_NAME |
0f2d19dd | 769 | |
370312ae GH |
770 | /* convert fam/address/args into a sockaddr of the appropriate type. |
771 | args is modified by removing the arguments actually used. | |
772 | which_arg and proc are used when reporting errors: | |
773 | which_arg is the position of address in the original argument list. | |
774 | proc is the name of the original procedure. | |
775 | size returns the size of the structure allocated. */ | |
776 | ||
bc732342 | 777 | static struct sockaddr * |
439006bf | 778 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
9c0129ac | 779 | const char *proc, size_t *size) |
3453619b | 780 | #define FUNC_NAME proc |
370312ae GH |
781 | { |
782 | switch (fam) | |
0f2d19dd | 783 | { |
370312ae GH |
784 | case AF_INET: |
785 | { | |
370312ae | 786 | struct sockaddr_in *soka; |
3453619b GH |
787 | unsigned long addr; |
788 | int port; | |
370312ae | 789 | |
3453619b GH |
790 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
791 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
7cee5b31 | 792 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 793 | *args = SCM_CDR (*args); |
67329a9e | 794 | soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in)); |
333a81cc | 795 | memset (soka, '\0', sizeof (struct sockaddr_in)); |
9c0129ac | 796 | |
482d311b | 797 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
3453619b GH |
798 | soka->sin_len = sizeof (struct sockaddr_in); |
799 | #endif | |
370312ae | 800 | soka->sin_family = AF_INET; |
3453619b GH |
801 | soka->sin_addr.s_addr = htonl (addr); |
802 | soka->sin_port = htons (port); | |
370312ae GH |
803 | *size = sizeof (struct sockaddr_in); |
804 | return (struct sockaddr *) soka; | |
805 | } | |
a57a0b1e | 806 | #ifdef HAVE_IPV6 |
3453619b GH |
807 | case AF_INET6: |
808 | { | |
809 | /* see RFC2553. */ | |
810 | int port; | |
811 | struct sockaddr_in6 *soka; | |
812 | unsigned long flowinfo = 0; | |
813 | unsigned long scope_id = 0; | |
814 | ||
3453619b | 815 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
7cee5b31 | 816 | port = scm_to_int (SCM_CAR (*args)); |
3453619b | 817 | *args = SCM_CDR (*args); |
d2e53ed6 | 818 | if (scm_is_pair (*args)) |
3453619b GH |
819 | { |
820 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
821 | *args = SCM_CDR (*args); | |
d2e53ed6 | 822 | if (scm_is_pair (*args)) |
3453619b GH |
823 | { |
824 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
825 | scope_id); | |
826 | *args = SCM_CDR (*args); | |
827 | } | |
828 | } | |
67329a9e | 829 | soka = (struct sockaddr_in6 *) scm_malloc (sizeof (struct sockaddr_in6)); |
9c0129ac | 830 | |
56a3dcd4 | 831 | #ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN |
3453619b GH |
832 | soka->sin6_len = sizeof (struct sockaddr_in6); |
833 | #endif | |
834 | soka->sin6_family = AF_INET6; | |
7cee5b31 | 835 | scm_to_ipv6 (soka->sin6_addr.s6_addr, address); |
5a525b84 | 836 | soka->sin6_port = htons (port); |
3453619b | 837 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 838 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 839 | soka->sin6_scope_id = scope_id; |
5a525b84 | 840 | #endif |
3453619b GH |
841 | *size = sizeof (struct sockaddr_in6); |
842 | return (struct sockaddr *) soka; | |
843 | } | |
844 | #endif | |
1ba8c23a | 845 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
846 | case AF_UNIX: |
847 | { | |
848 | struct sockaddr_un *soka; | |
439006bf | 849 | int addr_size; |
7f9994d9 MV |
850 | char *c_address; |
851 | ||
661ae7ab | 852 | scm_dynwind_begin (0); |
7f9994d9 MV |
853 | |
854 | c_address = scm_to_locale_string (address); | |
661ae7ab | 855 | scm_dynwind_free (c_address); |
370312ae | 856 | |
439006bf GH |
857 | /* the static buffer size in sockaddr_un seems to be arbitrary |
858 | and not necessarily a hard limit. e.g., the glibc manual | |
859 | suggests it may be possible to declare it size 0. let's | |
860 | ignore it. if the O/S doesn't like the size it will cause | |
861 | connect/bind etc., to fail. sun_path is always the last | |
862 | member of the structure. */ | |
863 | addr_size = sizeof (struct sockaddr_un) | |
7f9994d9 | 864 | + max (0, strlen (c_address) + 1 - (sizeof soka->sun_path)); |
67329a9e | 865 | soka = (struct sockaddr_un *) scm_malloc (addr_size); |
439006bf GH |
866 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ |
867 | soka->sun_family = AF_UNIX; | |
7f9994d9 | 868 | strcpy (soka->sun_path, c_address); |
439006bf | 869 | *size = SUN_LEN (soka); |
7f9994d9 | 870 | |
661ae7ab | 871 | scm_dynwind_end (); |
370312ae GH |
872 | return (struct sockaddr *) soka; |
873 | } | |
0e958795 | 874 | #endif |
370312ae | 875 | default: |
e11e83f3 | 876 | scm_out_of_range (proc, scm_from_int (fam)); |
0f2d19dd | 877 | } |
0f2d19dd | 878 | } |
3453619b | 879 | #undef FUNC_NAME |
9c0129ac KR |
880 | |
881 | SCM_DEFINE (scm_connect, "connect", 2, 1, 1, | |
882 | (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args), | |
eefae538 | 883 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
884 | "family to the address\n" |
885 | "specified by @var{address} and possibly @var{args}.\n" | |
886 | "The format required for @var{address}\n" | |
887 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 888 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 889 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
890 | "filename where the socket is to be created.\n\n" |
891 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
892 | "@var{address} must be an integer IPv4 host address and\n" |
893 | "@var{args} must be a single integer port number.\n\n" | |
894 | "For a socket of family @code{AF_INET6},\n" | |
895 | "@var{address} must be an integer IPv6 host address and\n" | |
896 | "@var{args} may be up to three integers:\n" | |
897 | "port [flowinfo] [scope_id],\n" | |
898 | "where flowinfo and scope_id default to zero.\n\n" | |
9c0129ac KR |
899 | "Alternatively, the second argument can be a socket address object " |
900 | "as returned by @code{make-socket-address}, in which case the " | |
901 | "no additional arguments should be passed.\n\n" | |
b380b885 | 902 | "The return value is unspecified.") |
1bbd0b84 | 903 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 904 | { |
370312ae GH |
905 | int fd; |
906 | struct sockaddr *soka; | |
9c0129ac | 907 | size_t size; |
0f2d19dd | 908 | |
78446828 | 909 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 910 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 911 | fd = SCM_FPORT_FDES (sock); |
9c0129ac | 912 | |
d223c3fc | 913 | if (scm_is_eq (address, SCM_UNDEFINED)) |
9c0129ac KR |
914 | /* No third argument was passed to FAM_OR_SOCKADDR must actually be a |
915 | `socket address' object. */ | |
916 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
917 | else | |
918 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
919 | &args, 3, FUNC_NAME, &size); | |
920 | ||
370312ae | 921 | if (connect (fd, soka, size) == -1) |
439006bf GH |
922 | { |
923 | int save_errno = errno; | |
9c0129ac | 924 | |
439006bf GH |
925 | free (soka); |
926 | errno = save_errno; | |
927 | SCM_SYSERROR; | |
928 | } | |
929 | free (soka); | |
370312ae | 930 | return SCM_UNSPECIFIED; |
0f2d19dd | 931 | } |
1bbd0b84 | 932 | #undef FUNC_NAME |
0f2d19dd | 933 | |
9c0129ac KR |
934 | SCM_DEFINE (scm_bind, "bind", 2, 1, 1, |
935 | (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args), | |
eefae538 | 936 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
937 | "Generally this only needs to be done for server sockets,\n" |
938 | "so they know where to look for incoming connections. A socket\n" | |
939 | "without an address will be assigned one automatically when it\n" | |
940 | "starts communicating.\n\n" | |
eefae538 GH |
941 | "The format of @var{address} and @var{args} depends\n" |
942 | "on the family of the socket.\n\n" | |
b380b885 | 943 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
944 | "is specified and must be a string with the filename where\n" |
945 | "the socket is to be created.\n\n" | |
946 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
947 | "must be an integer IPv4 address and @var{args}\n" | |
948 | "must be a single integer port number.\n\n" | |
949 | "The values of the following variables can also be used for\n" | |
950 | "@var{address}:\n\n" | |
b380b885 MD |
951 | "@defvar INADDR_ANY\n" |
952 | "Allow connections from any address.\n" | |
953 | "@end defvar\n\n" | |
954 | "@defvar INADDR_LOOPBACK\n" | |
955 | "The address of the local host using the loopback device.\n" | |
956 | "@end defvar\n\n" | |
957 | "@defvar INADDR_BROADCAST\n" | |
958 | "The broadcast address on the local network.\n" | |
959 | "@end defvar\n\n" | |
960 | "@defvar INADDR_NONE\n" | |
961 | "No address.\n" | |
962 | "@end defvar\n\n" | |
eefae538 GH |
963 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
964 | "must be an integer IPv6 address and @var{args}\n" | |
965 | "may be up to three integers:\n" | |
966 | "port [flowinfo] [scope_id],\n" | |
967 | "where flowinfo and scope_id default to zero.\n\n" | |
9c0129ac KR |
968 | "Alternatively, the second argument can be a socket address object " |
969 | "as returned by @code{make-socket-address}, in which case the " | |
970 | "no additional arguments should be passed.\n\n" | |
b380b885 | 971 | "The return value is unspecified.") |
1bbd0b84 | 972 | #define FUNC_NAME s_scm_bind |
370312ae | 973 | { |
370312ae | 974 | struct sockaddr *soka; |
9c0129ac | 975 | size_t size; |
370312ae GH |
976 | int fd; |
977 | ||
78446828 | 978 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 979 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 980 | fd = SCM_FPORT_FDES (sock); |
9c0129ac | 981 | |
d223c3fc | 982 | if (scm_is_eq (address, SCM_UNDEFINED)) |
9c0129ac KR |
983 | /* No third argument was passed to FAM_OR_SOCKADDR must actually be a |
984 | `socket address' object. */ | |
985 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
986 | else | |
987 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
988 | &args, 3, FUNC_NAME, &size); | |
989 | ||
990 | ||
439006bf GH |
991 | if (bind (fd, soka, size) == -1) |
992 | { | |
993 | int save_errno = errno; | |
9c0129ac | 994 | |
439006bf GH |
995 | free (soka); |
996 | errno = save_errno; | |
1bbd0b84 | 997 | SCM_SYSERROR; |
439006bf GH |
998 | } |
999 | free (soka); | |
370312ae GH |
1000 | return SCM_UNSPECIFIED; |
1001 | } | |
1bbd0b84 | 1002 | #undef FUNC_NAME |
370312ae | 1003 | |
a1ec6916 | 1004 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 1005 | (SCM sock, SCM backlog), |
eefae538 | 1006 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
1007 | "requests. @var{backlog} is an integer specifying\n" |
1008 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
1009 | "If the queue fills, new clients will fail to connect until\n" |
1010 | "the server calls @code{accept} to accept a connection from\n" | |
1011 | "the queue.\n\n" | |
b380b885 | 1012 | "The return value is unspecified.") |
1bbd0b84 | 1013 | #define FUNC_NAME s_scm_listen |
370312ae GH |
1014 | { |
1015 | int fd; | |
78446828 | 1016 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1017 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1018 | fd = SCM_FPORT_FDES (sock); |
7cee5b31 | 1019 | if (listen (fd, scm_to_int (backlog)) == -1) |
1bbd0b84 | 1020 | SCM_SYSERROR; |
370312ae GH |
1021 | return SCM_UNSPECIFIED; |
1022 | } | |
1bbd0b84 | 1023 | #undef FUNC_NAME |
370312ae GH |
1024 | |
1025 | /* Put the components of a sockaddr into a new SCM vector. */ | |
9c0129ac | 1026 | static SCM_C_INLINE_KEYWORD SCM |
f43f3620 LC |
1027 | _scm_from_sockaddr (const scm_t_max_sockaddr *address, unsigned addr_size, |
1028 | const char *proc) | |
0f2d19dd | 1029 | { |
f43f3620 LC |
1030 | SCM result = SCM_EOL; |
1031 | short int fam = ((struct sockaddr *) address)->sa_family; | |
439006bf | 1032 | |
5a525b84 | 1033 | switch (fam) |
0f2d19dd | 1034 | { |
5a525b84 GH |
1035 | case AF_INET: |
1036 | { | |
e1368a8d | 1037 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 1038 | |
1d1559ce | 1039 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
34d19ef6 | 1040 | |
4057a3e0 MV |
1041 | SCM_SIMPLE_VECTOR_SET(result, 0, |
1042 | scm_from_short (fam)); | |
1043 | SCM_SIMPLE_VECTOR_SET(result, 1, | |
1044 | scm_from_ulong (ntohl (nad->sin_addr.s_addr))); | |
1045 | SCM_SIMPLE_VECTOR_SET(result, 2, | |
1046 | scm_from_ushort (ntohs (nad->sin_port))); | |
5a525b84 GH |
1047 | } |
1048 | break; | |
a57a0b1e | 1049 | #ifdef HAVE_IPV6 |
5a525b84 GH |
1050 | case AF_INET6: |
1051 | { | |
e1368a8d | 1052 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 | 1053 | |
1d1559ce | 1054 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); |
4057a3e0 MV |
1055 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam)); |
1056 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_ipv6 (nad->sin6_addr.s6_addr)); | |
1057 | SCM_SIMPLE_VECTOR_SET(result, 2, scm_from_ushort (ntohs (nad->sin6_port))); | |
1058 | SCM_SIMPLE_VECTOR_SET(result, 3, scm_from_uint32 (nad->sin6_flowinfo)); | |
5a525b84 | 1059 | #ifdef HAVE_SIN6_SCOPE_ID |
4057a3e0 | 1060 | SCM_SIMPLE_VECTOR_SET(result, 4, scm_from_ulong (nad->sin6_scope_id)); |
5a525b84 | 1061 | #else |
4057a3e0 | 1062 | SCM_SIMPLE_VECTOR_SET(result, 4, SCM_INUM0); |
0e958795 | 1063 | #endif |
5a525b84 GH |
1064 | } |
1065 | break; | |
1066 | #endif | |
1067 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
1068 | case AF_UNIX: | |
1069 | { | |
e1368a8d | 1070 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 1071 | |
1d1559ce | 1072 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
34d19ef6 | 1073 | |
4057a3e0 | 1074 | SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam)); |
aca23b65 MV |
1075 | /* When addr_size is not enough to cover sun_path, do not try |
1076 | to access it. */ | |
1077 | if (addr_size <= offsetof (struct sockaddr_un, sun_path)) | |
4057a3e0 | 1078 | SCM_SIMPLE_VECTOR_SET(result, 1, SCM_BOOL_F); |
aca23b65 | 1079 | else |
4057a3e0 | 1080 | SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_locale_string (nad->sun_path)); |
5a525b84 GH |
1081 | } |
1082 | break; | |
1083 | #endif | |
1084 | default: | |
9c0129ac KR |
1085 | result = SCM_UNSPECIFIED; |
1086 | scm_misc_error (proc, "unrecognised address family: ~A", | |
e11e83f3 | 1087 | scm_list_1 (scm_from_int (fam))); |
9c0129ac | 1088 | |
0f2d19dd | 1089 | } |
1d1559ce | 1090 | return result; |
370312ae GH |
1091 | } |
1092 | ||
9c0129ac KR |
1093 | /* The publicly-visible function. Return a Scheme object representing |
1094 | ADDRESS, an address of ADDR_SIZE bytes. */ | |
1095 | SCM | |
1096 | scm_from_sockaddr (const struct sockaddr *address, unsigned addr_size) | |
1097 | { | |
f43f3620 LC |
1098 | return (_scm_from_sockaddr ((scm_t_max_sockaddr *) address, |
1099 | addr_size, "scm_from_sockaddr")); | |
9c0129ac KR |
1100 | } |
1101 | ||
1102 | /* Convert ADDRESS, an address object returned by either | |
1103 | `scm_from_sockaddr ()' or `scm_make_socket_address ()', into its C | |
1104 | representation. On success, a non-NULL pointer is returned and | |
1105 | ADDRESS_SIZE is updated to the actual size (in bytes) of the returned | |
1106 | address. The result must eventually be freed using `free ()'. */ | |
1107 | struct sockaddr * | |
1108 | scm_to_sockaddr (SCM address, size_t *address_size) | |
1109 | #define FUNC_NAME "scm_to_sockaddr" | |
1110 | { | |
1111 | short int family; | |
1112 | struct sockaddr *c_address = NULL; | |
1113 | ||
1114 | SCM_VALIDATE_VECTOR (1, address); | |
1115 | ||
1116 | *address_size = 0; | |
1117 | family = scm_to_short (SCM_SIMPLE_VECTOR_REF (address, 0)); | |
1118 | ||
1119 | switch (family) | |
1120 | { | |
1121 | case AF_INET: | |
1122 | { | |
1123 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 3) | |
1124 | scm_misc_error (FUNC_NAME, | |
1125 | "invalid inet address representation: ~A", | |
1126 | scm_list_1 (address)); | |
1127 | else | |
1128 | { | |
1129 | struct sockaddr_in c_inet; | |
1130 | ||
333a81cc NL |
1131 | memset (&c_inet, '\0', sizeof (struct sockaddr_in)); |
1132 | ||
482d311b NL |
1133 | #ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN |
1134 | c_inet.sin_len = sizeof (struct sockaddr_in); | |
1135 | #endif | |
1136 | ||
9c0129ac KR |
1137 | c_inet.sin_addr.s_addr = |
1138 | htonl (scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 1))); | |
1139 | c_inet.sin_port = | |
1140 | htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2))); | |
1141 | c_inet.sin_family = AF_INET; | |
1142 | ||
1143 | *address_size = sizeof (c_inet); | |
1144 | c_address = scm_malloc (sizeof (c_inet)); | |
1145 | memcpy (c_address, &c_inet, sizeof (c_inet)); | |
1146 | } | |
1147 | ||
1148 | break; | |
1149 | } | |
1150 | ||
1151 | #ifdef HAVE_IPV6 | |
1152 | case AF_INET6: | |
1153 | { | |
1154 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 5) | |
1155 | scm_misc_error (FUNC_NAME, "invalid inet6 address representation: ~A", | |
1156 | scm_list_1 (address)); | |
1157 | else | |
1158 | { | |
1159 | struct sockaddr_in6 c_inet6; | |
1160 | ||
1ff4da65 NJ |
1161 | scm_to_ipv6 (c_inet6.sin6_addr.s6_addr, |
1162 | SCM_SIMPLE_VECTOR_REF (address, 1)); | |
9c0129ac KR |
1163 | c_inet6.sin6_port = |
1164 | htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2))); | |
1165 | c_inet6.sin6_flowinfo = | |
1166 | scm_to_uint32 (SCM_SIMPLE_VECTOR_REF (address, 3)); | |
1167 | #ifdef HAVE_SIN6_SCOPE_ID | |
1168 | c_inet6.sin6_scope_id = | |
1169 | scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 4)); | |
1170 | #endif | |
1171 | ||
1172 | c_inet6.sin6_family = AF_INET6; | |
1173 | ||
1174 | *address_size = sizeof (c_inet6); | |
1175 | c_address = scm_malloc (sizeof (c_inet6)); | |
1176 | memcpy (c_address, &c_inet6, sizeof (c_inet6)); | |
1177 | } | |
1178 | ||
1179 | break; | |
1180 | } | |
1181 | #endif | |
1182 | ||
1183 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
1184 | case AF_UNIX: | |
1185 | { | |
1186 | if (SCM_SIMPLE_VECTOR_LENGTH (address) != 2) | |
1187 | scm_misc_error (FUNC_NAME, "invalid unix address representation: ~A", | |
1188 | scm_list_1 (address)); | |
1189 | else | |
1190 | { | |
1191 | SCM path; | |
1192 | size_t path_len = 0; | |
1193 | ||
1194 | path = SCM_SIMPLE_VECTOR_REF (address, 1); | |
393baa8a | 1195 | if (!scm_is_string (path) && !scm_is_false (path)) |
9c0129ac KR |
1196 | scm_misc_error (FUNC_NAME, "invalid unix address " |
1197 | "path: ~A", scm_list_1 (path)); | |
1198 | else | |
1199 | { | |
1200 | struct sockaddr_un c_unix; | |
1201 | ||
393baa8a | 1202 | if (scm_is_false (path)) |
9c0129ac KR |
1203 | path_len = 0; |
1204 | else | |
1205 | path_len = scm_c_string_length (path); | |
1206 | ||
1207 | #ifdef UNIX_PATH_MAX | |
1208 | if (path_len >= UNIX_PATH_MAX) | |
1209 | #else | |
1210 | /* We can hope that this limit will eventually vanish, at least on GNU. | |
1211 | However, currently, while glibc doesn't define `UNIX_PATH_MAX', it | |
1212 | documents it has being limited to 108 bytes. */ | |
1213 | if (path_len >= sizeof (c_unix.sun_path)) | |
1214 | #endif | |
1215 | scm_misc_error (FUNC_NAME, "unix address path " | |
1216 | "too long: ~A", scm_list_1 (path)); | |
1217 | else | |
1218 | { | |
1219 | if (path_len) | |
1220 | { | |
1221 | scm_to_locale_stringbuf (path, c_unix.sun_path, | |
1222 | #ifdef UNIX_PATH_MAX | |
1223 | UNIX_PATH_MAX); | |
1224 | #else | |
1225 | sizeof (c_unix.sun_path)); | |
1226 | #endif | |
1227 | c_unix.sun_path[path_len] = '\0'; | |
1228 | ||
1229 | /* Sanity check. */ | |
1230 | if (strlen (c_unix.sun_path) != path_len) | |
1231 | scm_misc_error (FUNC_NAME, "unix address path " | |
1232 | "contains nul characters: ~A", | |
1233 | scm_list_1 (path)); | |
1234 | } | |
1235 | else | |
1236 | c_unix.sun_path[0] = '\0'; | |
1237 | ||
1238 | c_unix.sun_family = AF_UNIX; | |
1239 | ||
1240 | *address_size = SUN_LEN (&c_unix); | |
1241 | c_address = scm_malloc (sizeof (c_unix)); | |
1242 | memcpy (c_address, &c_unix, sizeof (c_unix)); | |
1243 | } | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | break; | |
1248 | } | |
1249 | #endif | |
1250 | ||
1251 | default: | |
1252 | scm_misc_error (FUNC_NAME, "unrecognised address family: ~A", | |
1253 | scm_list_1 (scm_from_ushort (family))); | |
1254 | } | |
1255 | ||
1256 | return c_address; | |
1257 | } | |
1258 | #undef FUNC_NAME | |
1259 | ||
1260 | ||
1261 | /* Return a newly-allocated `sockaddr' structure that reflects ADDRESS, being | |
1262 | an address of family FAMILY, with the family-specific parameters ARGS (see | |
1263 | the description of `connect' for details). The returned structure may be | |
1264 | freed using `free ()'. */ | |
1265 | struct sockaddr * | |
1266 | scm_c_make_socket_address (SCM family, SCM address, SCM args, | |
1267 | size_t *address_size) | |
1268 | { | |
9c0129ac KR |
1269 | struct sockaddr *soka; |
1270 | ||
1271 | soka = scm_fill_sockaddr (scm_to_ushort (family), address, &args, 1, | |
d7c6575f | 1272 | "scm_c_make_socket_address", address_size); |
9c0129ac KR |
1273 | |
1274 | return soka; | |
1275 | } | |
1276 | ||
1277 | SCM_DEFINE (scm_make_socket_address, "make-socket-address", 2, 0, 1, | |
1278 | (SCM family, SCM address, SCM args), | |
1279 | "Return a Scheme address object that reflects @var{address}, " | |
1280 | "being an address of family @var{family}, with the " | |
1281 | "family-specific parameters @var{args} (see the description of " | |
1282 | "@code{connect} for details).") | |
1283 | #define FUNC_NAME s_scm_make_socket_address | |
1284 | { | |
1ac5fb45 | 1285 | SCM result = SCM_BOOL_F; |
9c0129ac KR |
1286 | struct sockaddr *c_address; |
1287 | size_t c_address_size; | |
1288 | ||
1289 | c_address = scm_c_make_socket_address (family, address, args, | |
1290 | &c_address_size); | |
1ac5fb45 LC |
1291 | if (c_address != NULL) |
1292 | { | |
1293 | result = scm_from_sockaddr (c_address, c_address_size); | |
1294 | free (c_address); | |
1295 | } | |
9c0129ac | 1296 | |
1ac5fb45 | 1297 | return result; |
9c0129ac KR |
1298 | } |
1299 | #undef FUNC_NAME | |
1300 | ||
1301 | \f | |
a1ec6916 | 1302 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 1303 | (SCM sock), |
eefae538 GH |
1304 | "Accept a connection on a bound, listening socket.\n" |
1305 | "If there\n" | |
1306 | "are no pending connections in the queue, wait until\n" | |
1307 | "one is available unless the non-blocking option has been\n" | |
1308 | "set on the socket.\n\n" | |
b380b885 | 1309 | "The return value is a\n" |
eefae538 GH |
1310 | "pair in which the @emph{car} is a new socket port for the\n" |
1311 | "connection and\n" | |
1312 | "the @emph{cdr} is an object with address information about the\n" | |
1313 | "client which initiated the connection.\n\n" | |
1314 | "@var{sock} does not become part of the\n" | |
b380b885 | 1315 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1316 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1317 | { |
e68e0369 | 1318 | int fd; |
370312ae GH |
1319 | int newfd; |
1320 | SCM address; | |
1321 | SCM newsock; | |
5ee417fc | 1322 | socklen_t addr_size = MAX_ADDR_SIZE; |
f43f3620 | 1323 | scm_t_max_sockaddr addr; |
370312ae | 1324 | |
78446828 | 1325 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1326 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1327 | fd = SCM_FPORT_FDES (sock); |
f43f3620 | 1328 | newfd = accept (fd, (struct sockaddr *) &addr, &addr_size); |
439006bf GH |
1329 | if (newfd == -1) |
1330 | SCM_SYSERROR; | |
1331 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
f43f3620 LC |
1332 | address = _scm_from_sockaddr (&addr, addr_size, |
1333 | FUNC_NAME); | |
1334 | ||
370312ae | 1335 | return scm_cons (newsock, address); |
0f2d19dd | 1336 | } |
1bbd0b84 | 1337 | #undef FUNC_NAME |
0f2d19dd | 1338 | |
a1ec6916 | 1339 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1340 | (SCM sock), |
eefae538 | 1341 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1342 | "object returned by @code{accept}. On many systems the address\n" |
1343 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1344 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1345 | { |
370312ae | 1346 | int fd; |
5ee417fc | 1347 | socklen_t addr_size = MAX_ADDR_SIZE; |
f43f3620 | 1348 | scm_t_max_sockaddr addr; |
439006bf | 1349 | |
78446828 | 1350 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1351 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1352 | fd = SCM_FPORT_FDES (sock); |
f43f3620 | 1353 | if (getsockname (fd, (struct sockaddr *) &addr, &addr_size) == -1) |
1bbd0b84 | 1354 | SCM_SYSERROR; |
f43f3620 LC |
1355 | |
1356 | return _scm_from_sockaddr (&addr, addr_size, FUNC_NAME); | |
0f2d19dd | 1357 | } |
1bbd0b84 | 1358 | #undef FUNC_NAME |
0f2d19dd | 1359 | |
a1ec6916 | 1360 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1361 | (SCM sock), |
eefae538 | 1362 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1363 | "is connected to, in the same form as the object returned by\n" |
1364 | "@code{accept}. On many systems the address of a socket in the\n" | |
1365 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1366 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1367 | { |
370312ae | 1368 | int fd; |
5ee417fc | 1369 | socklen_t addr_size = MAX_ADDR_SIZE; |
f43f3620 | 1370 | scm_t_max_sockaddr addr; |
439006bf | 1371 | |
78446828 | 1372 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1373 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1374 | fd = SCM_FPORT_FDES (sock); |
f43f3620 | 1375 | if (getpeername (fd, (struct sockaddr *) &addr, &addr_size) == -1) |
1bbd0b84 | 1376 | SCM_SYSERROR; |
f43f3620 LC |
1377 | |
1378 | return _scm_from_sockaddr (&addr, addr_size, FUNC_NAME); | |
0f2d19dd | 1379 | } |
1bbd0b84 | 1380 | #undef FUNC_NAME |
0f2d19dd | 1381 | |
a1ec6916 | 1382 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1383 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1384 | "Receive data from a socket port.\n" |
1385 | "@var{sock} must already\n" | |
b380b885 | 1386 | "be bound to the address from which data is to be received.\n" |
d21a1dc8 | 1387 | "@var{buf} is a bytevector into which\n" |
eefae538 GH |
1388 | "the data will be written. The size of @var{buf} limits\n" |
1389 | "the amount of\n" | |
b380b885 | 1390 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1391 | "protocols, if a packet larger than this limit is encountered\n" |
1392 | "then some data\n" | |
b380b885 MD |
1393 | "will be irrevocably lost.\n\n" |
1394 | "The optional @var{flags} argument is a value or\n" | |
1395 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1396 | "The value returned is the number of bytes read from the\n" |
1397 | "socket.\n\n" | |
1398 | "Note that the data is read directly from the socket file\n" | |
1399 | "descriptor:\n" | |
09831f94 | 1400 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1401 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1402 | { |
d21a1dc8 | 1403 | int rv, fd, flg; |
370312ae | 1404 | |
34d19ef6 | 1405 | SCM_VALIDATE_OPFPORT (1, sock); |
d21a1dc8 | 1406 | |
7cee5b31 MV |
1407 | if (SCM_UNBNDP (flags)) |
1408 | flg = 0; | |
1409 | else | |
1410 | flg = scm_to_int (flags); | |
ee149d03 | 1411 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1412 | |
fc7bd367 | 1413 | SCM_VALIDATE_BYTEVECTOR (1, buf); |
d21a1dc8 | 1414 | |
fc7bd367 AW |
1415 | SCM_SYSCALL (rv = recv (fd, |
1416 | SCM_BYTEVECTOR_CONTENTS (buf), | |
1417 | SCM_BYTEVECTOR_LENGTH (buf), | |
1418 | flg)); | |
cc95e00a | 1419 | |
d21a1dc8 | 1420 | if (SCM_UNLIKELY (rv == -1)) |
1bbd0b84 | 1421 | SCM_SYSERROR; |
370312ae | 1422 | |
d21a1dc8 | 1423 | scm_remember_upto_here (buf); |
7cee5b31 | 1424 | return scm_from_int (rv); |
370312ae | 1425 | } |
1bbd0b84 | 1426 | #undef FUNC_NAME |
370312ae | 1427 | |
a1ec6916 | 1428 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1429 | (SCM sock, SCM message, SCM flags), |
d21a1dc8 | 1430 | "Transmit bytevector @var{message} on socket port @var{sock}.\n" |
eefae538 GH |
1431 | "@var{sock} must already be bound to a destination address. The\n" |
1432 | "value returned is the number of bytes transmitted --\n" | |
1433 | "it's possible for\n" | |
1434 | "this to be less than the length of @var{message}\n" | |
1435 | "if the socket is\n" | |
1436 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1437 | "is a value or\n" | |
b380b885 | 1438 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1439 | "Note that the data is written directly to the socket\n" |
1440 | "file descriptor:\n" | |
587a3355 MG |
1441 | "any unflushed buffered port data is ignored.\n\n" |
1442 | "This operation is defined only for strings containing codepoints\n" | |
1443 | "zero to 255.") | |
1bbd0b84 | 1444 | #define FUNC_NAME s_scm_send |
370312ae | 1445 | { |
d21a1dc8 | 1446 | int rv, fd, flg; |
370312ae | 1447 | |
78446828 | 1448 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1449 | SCM_VALIDATE_OPFPORT (1, sock); |
587a3355 | 1450 | |
7cee5b31 MV |
1451 | if (SCM_UNBNDP (flags)) |
1452 | flg = 0; | |
1453 | else | |
1454 | flg = scm_to_int (flags); | |
d21a1dc8 | 1455 | |
ee149d03 | 1456 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1457 | |
fc7bd367 | 1458 | SCM_VALIDATE_BYTEVECTOR (1, message); |
d21a1dc8 | 1459 | |
fc7bd367 AW |
1460 | SCM_SYSCALL (rv = send (fd, |
1461 | SCM_BYTEVECTOR_CONTENTS (message), | |
1462 | SCM_BYTEVECTOR_LENGTH (message), | |
1463 | flg)); | |
cc95e00a | 1464 | |
370312ae | 1465 | if (rv == -1) |
1bbd0b84 | 1466 | SCM_SYSERROR; |
396e5506 MV |
1467 | |
1468 | scm_remember_upto_here_1 (message); | |
7cee5b31 | 1469 | return scm_from_int (rv); |
370312ae | 1470 | } |
1bbd0b84 | 1471 | #undef FUNC_NAME |
370312ae | 1472 | |
a1ec6916 | 1473 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
d21a1dc8 | 1474 | (SCM sock, SCM buf, SCM flags, SCM start, SCM end), |
8ab3d8a0 KR |
1475 | "Receive data from socket port @var{sock} (which must be already\n" |
1476 | "bound), returning the originating address as well as the data.\n" | |
1477 | "This is usually for use on datagram sockets, but can be used on\n" | |
1478 | "stream-oriented sockets too.\n" | |
1479 | "\n" | |
d21a1dc8 LC |
1480 | "The data received is stored in bytevector @var{buf}, using\n" |
1481 | "either the whole bytevector or just the region between the optional\n" | |
1482 | "@var{start} and @var{end} positions. The size of @var{buf}\n" | |
1483 | "limits the amount of data that can be received. For datagram\n" | |
8ab3d8a0 KR |
1484 | "protocols, if a packet larger than this is received then excess\n" |
1485 | "bytes are irrevocably lost.\n" | |
1486 | "\n" | |
1487 | "The return value is a pair. The @code{car} is the number of\n" | |
1488 | "bytes read. The @code{cdr} is a socket address object which is\n" | |
d21a1dc8 | 1489 | "where the data came from, or @code{#f} if the origin is\n" |
8ab3d8a0 KR |
1490 | "unknown.\n" |
1491 | "\n" | |
1492 | "The optional @var{flags} argument is a or bitwise OR\n" | |
1493 | "(@code{logior}) of @code{MSG_OOB}, @code{MSG_PEEK},\n" | |
1494 | "@code{MSG_DONTROUTE} etc.\n" | |
1495 | "\n" | |
1496 | "Data is read directly from the socket file descriptor, any\n" | |
1497 | "buffered port data is ignored.\n" | |
1498 | "\n" | |
1499 | "On a GNU/Linux system @code{recvfrom!} is not multi-threading,\n" | |
1500 | "all threads stop while a @code{recvfrom!} call is in progress.\n" | |
1501 | "An application may need to use @code{select}, @code{O_NONBLOCK}\n" | |
1502 | "or @code{MSG_DONTWAIT} to avoid this.") | |
1bbd0b84 | 1503 | #define FUNC_NAME s_scm_recvfrom |
370312ae | 1504 | { |
d21a1dc8 | 1505 | int rv, fd, flg; |
370312ae | 1506 | SCM address; |
d21a1dc8 | 1507 | size_t offset, cend; |
5ee417fc | 1508 | socklen_t addr_size = MAX_ADDR_SIZE; |
f43f3620 | 1509 | scm_t_max_sockaddr addr; |
370312ae | 1510 | |
34d19ef6 | 1511 | SCM_VALIDATE_OPFPORT (1, sock); |
60d02d09 | 1512 | fd = SCM_FPORT_FDES (sock); |
396e5506 | 1513 | |
1146b6cd GH |
1514 | if (SCM_UNBNDP (flags)) |
1515 | flg = 0; | |
370312ae | 1516 | else |
60d02d09 | 1517 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1518 | |
f43f3620 | 1519 | ((struct sockaddr *) &addr)->sa_family = AF_UNSPEC; |
d21a1dc8 | 1520 | |
fc7bd367 | 1521 | SCM_VALIDATE_BYTEVECTOR (1, buf); |
d21a1dc8 | 1522 | |
fc7bd367 AW |
1523 | if (SCM_UNBNDP (start)) |
1524 | offset = 0; | |
1525 | else | |
1526 | offset = scm_to_size_t (start); | |
d21a1dc8 | 1527 | |
fc7bd367 AW |
1528 | if (SCM_UNBNDP (end)) |
1529 | cend = SCM_BYTEVECTOR_LENGTH (buf); | |
d21a1dc8 | 1530 | else |
d21a1dc8 | 1531 | { |
fc7bd367 AW |
1532 | cend = scm_to_size_t (end); |
1533 | if (SCM_UNLIKELY (cend >= SCM_BYTEVECTOR_LENGTH (buf) | |
1534 | || cend < offset)) | |
1535 | scm_out_of_range (FUNC_NAME, end); | |
d21a1dc8 | 1536 | } |
cc95e00a | 1537 | |
fc7bd367 AW |
1538 | SCM_SYSCALL (rv = recvfrom (fd, |
1539 | SCM_BYTEVECTOR_CONTENTS (buf) + offset, | |
1540 | cend - offset, flg, | |
1541 | (struct sockaddr *) &addr, &addr_size)); | |
1542 | ||
370312ae | 1543 | if (rv == -1) |
1bbd0b84 | 1544 | SCM_SYSERROR; |
d21a1dc8 LC |
1545 | |
1546 | /* `recvfrom' does not necessarily return an address. Usually nothing | |
1547 | is returned for stream sockets. */ | |
f43f3620 LC |
1548 | if (((struct sockaddr *) &addr)->sa_family != AF_UNSPEC) |
1549 | address = _scm_from_sockaddr (&addr, addr_size, FUNC_NAME); | |
370312ae GH |
1550 | else |
1551 | address = SCM_BOOL_F; | |
1552 | ||
d21a1dc8 | 1553 | scm_remember_upto_here_1 (buf); |
f43f3620 | 1554 | |
e11e83f3 | 1555 | return scm_cons (scm_from_int (rv), address); |
0f2d19dd | 1556 | } |
1bbd0b84 | 1557 | #undef FUNC_NAME |
0f2d19dd | 1558 | |
9c0129ac KR |
1559 | SCM_DEFINE (scm_sendto, "sendto", 3, 1, 1, |
1560 | (SCM sock, SCM message, SCM fam_or_sockaddr, SCM address, SCM args_and_flags), | |
d21a1dc8 | 1561 | "Transmit bytevector @var{message} on socket port\n" |
eefae538 GH |
1562 | "@var{sock}. The\n" |
1563 | "destination address is specified using the @var{fam},\n" | |
1564 | "@var{address} and\n" | |
9c0129ac KR |
1565 | "@var{args_and_flags} arguments, or just a socket address object " |
1566 | "returned by @code{make-socket-address}, in a similar way to the\n" | |
eefae538 GH |
1567 | "@code{connect} procedure. @var{args_and_flags} contains\n" |
1568 | "the usual connection arguments optionally followed by\n" | |
1569 | "a flags argument, which is a value or\n" | |
b380b885 | 1570 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1571 | "The value returned is the number of bytes transmitted --\n" |
1572 | "it's possible for\n" | |
1573 | "this to be less than the length of @var{message} if the\n" | |
1574 | "socket is\n" | |
1575 | "set to be non-blocking.\n" | |
1576 | "Note that the data is written directly to the socket\n" | |
1577 | "file descriptor:\n" | |
587a3355 MG |
1578 | "any unflushed buffered port data is ignored.\n" |
1579 | "This operation is defined only for strings containing codepoints\n" | |
1580 | "zero to 255.") | |
1bbd0b84 | 1581 | #define FUNC_NAME s_scm_sendto |
370312ae | 1582 | { |
d21a1dc8 | 1583 | int rv, fd, flg; |
370312ae | 1584 | struct sockaddr *soka; |
9c0129ac | 1585 | size_t size; |
370312ae | 1586 | |
78446828 | 1587 | sock = SCM_COERCE_OUTPORT (sock); |
34d19ef6 | 1588 | SCM_VALIDATE_FPORT (1, sock); |
ee149d03 | 1589 | fd = SCM_FPORT_FDES (sock); |
9c0129ac KR |
1590 | |
1591 | if (!scm_is_number (fam_or_sockaddr)) | |
1592 | { | |
1593 | /* FAM_OR_SOCKADDR must actually be a `socket address' object. This | |
1594 | means that the following arguments, i.e. ADDRESS and those listed in | |
1595 | ARGS_AND_FLAGS, are the `MSG_' flags. */ | |
1596 | soka = scm_to_sockaddr (fam_or_sockaddr, &size); | |
d223c3fc | 1597 | if (!scm_is_eq (address, SCM_UNDEFINED)) |
9c0129ac KR |
1598 | args_and_flags = scm_cons (address, args_and_flags); |
1599 | } | |
1600 | else | |
1601 | soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address, | |
1602 | &args_and_flags, 3, FUNC_NAME, &size); | |
1603 | ||
d2e53ed6 | 1604 | if (scm_is_null (args_and_flags)) |
370312ae GH |
1605 | flg = 0; |
1606 | else | |
1607 | { | |
34d19ef6 | 1608 | SCM_VALIDATE_CONS (5, args_and_flags); |
e4b265d8 | 1609 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1610 | } |
d21a1dc8 | 1611 | |
fc7bd367 | 1612 | SCM_VALIDATE_BYTEVECTOR (1, message); |
d21a1dc8 | 1613 | |
fc7bd367 AW |
1614 | SCM_SYSCALL (rv = sendto (fd, |
1615 | SCM_BYTEVECTOR_CONTENTS (message), | |
1616 | SCM_BYTEVECTOR_LENGTH (message), | |
1617 | flg, soka, size)); | |
d21a1dc8 | 1618 | |
370312ae | 1619 | if (rv == -1) |
439006bf GH |
1620 | { |
1621 | int save_errno = errno; | |
1622 | free (soka); | |
1623 | errno = save_errno; | |
1624 | SCM_SYSERROR; | |
1625 | } | |
1626 | free (soka); | |
396e5506 MV |
1627 | |
1628 | scm_remember_upto_here_1 (message); | |
e11e83f3 | 1629 | return scm_from_int (rv); |
370312ae | 1630 | } |
1bbd0b84 | 1631 | #undef FUNC_NAME |
370312ae GH |
1632 | \f |
1633 | ||
1634 | ||
1635 | void | |
0f2d19dd | 1636 | scm_init_socket () |
0f2d19dd | 1637 | { |
370312ae GH |
1638 | /* protocol families. */ |
1639 | #ifdef AF_UNSPEC | |
e11e83f3 | 1640 | scm_c_define ("AF_UNSPEC", scm_from_int (AF_UNSPEC)); |
370312ae GH |
1641 | #endif |
1642 | #ifdef AF_UNIX | |
e11e83f3 | 1643 | scm_c_define ("AF_UNIX", scm_from_int (AF_UNIX)); |
370312ae GH |
1644 | #endif |
1645 | #ifdef AF_INET | |
e11e83f3 | 1646 | scm_c_define ("AF_INET", scm_from_int (AF_INET)); |
370312ae | 1647 | #endif |
3453619b | 1648 | #ifdef AF_INET6 |
e11e83f3 | 1649 | scm_c_define ("AF_INET6", scm_from_int (AF_INET6)); |
3453619b | 1650 | #endif |
370312ae GH |
1651 | |
1652 | #ifdef PF_UNSPEC | |
e11e83f3 | 1653 | scm_c_define ("PF_UNSPEC", scm_from_int (PF_UNSPEC)); |
370312ae GH |
1654 | #endif |
1655 | #ifdef PF_UNIX | |
e11e83f3 | 1656 | scm_c_define ("PF_UNIX", scm_from_int (PF_UNIX)); |
370312ae GH |
1657 | #endif |
1658 | #ifdef PF_INET | |
e11e83f3 | 1659 | scm_c_define ("PF_INET", scm_from_int (PF_INET)); |
370312ae | 1660 | #endif |
3453619b | 1661 | #ifdef PF_INET6 |
e11e83f3 | 1662 | scm_c_define ("PF_INET6", scm_from_int (PF_INET6)); |
3453619b | 1663 | #endif |
370312ae | 1664 | |
66c73b76 GH |
1665 | /* standard addresses. */ |
1666 | #ifdef INADDR_ANY | |
b9bd8526 | 1667 | scm_c_define ("INADDR_ANY", scm_from_ulong (INADDR_ANY)); |
66c73b76 GH |
1668 | #endif |
1669 | #ifdef INADDR_BROADCAST | |
b9bd8526 | 1670 | scm_c_define ("INADDR_BROADCAST", scm_from_ulong (INADDR_BROADCAST)); |
66c73b76 GH |
1671 | #endif |
1672 | #ifdef INADDR_NONE | |
b9bd8526 | 1673 | scm_c_define ("INADDR_NONE", scm_from_ulong (INADDR_NONE)); |
66c73b76 GH |
1674 | #endif |
1675 | #ifdef INADDR_LOOPBACK | |
b9bd8526 | 1676 | scm_c_define ("INADDR_LOOPBACK", scm_from_ulong (INADDR_LOOPBACK)); |
66c73b76 GH |
1677 | #endif |
1678 | ||
6f637a1b KR |
1679 | /* socket types. |
1680 | ||
1681 | SOCK_PACKET is deliberately omitted, the GNU/Linux socket(2) and | |
1682 | packet(7) advise that it's obsolete and strongly deprecated. */ | |
1683 | ||
370312ae | 1684 | #ifdef SOCK_STREAM |
e11e83f3 | 1685 | scm_c_define ("SOCK_STREAM", scm_from_int (SOCK_STREAM)); |
370312ae GH |
1686 | #endif |
1687 | #ifdef SOCK_DGRAM | |
e11e83f3 | 1688 | scm_c_define ("SOCK_DGRAM", scm_from_int (SOCK_DGRAM)); |
370312ae | 1689 | #endif |
6f637a1b KR |
1690 | #ifdef SOCK_SEQPACKET |
1691 | scm_c_define ("SOCK_SEQPACKET", scm_from_int (SOCK_SEQPACKET)); | |
1692 | #endif | |
370312ae | 1693 | #ifdef SOCK_RAW |
e11e83f3 | 1694 | scm_c_define ("SOCK_RAW", scm_from_int (SOCK_RAW)); |
370312ae | 1695 | #endif |
6f637a1b KR |
1696 | #ifdef SOCK_RDM |
1697 | scm_c_define ("SOCK_RDM", scm_from_int (SOCK_RDM)); | |
1698 | #endif | |
370312ae | 1699 | |
8fae2bf4 KR |
1700 | /* setsockopt level. |
1701 | ||
1702 | SOL_IP, SOL_TCP and SOL_UDP are defined on gnu/linux, but not on for | |
1703 | instance NetBSD. We define IPPROTOs because that's what the posix spec | |
1704 | shows in its example at | |
1705 | ||
1706 | http://www.opengroup.org/onlinepubs/007904975/functions/getsockopt.html | |
1707 | */ | |
370312ae | 1708 | #ifdef SOL_SOCKET |
e11e83f3 | 1709 | scm_c_define ("SOL_SOCKET", scm_from_int (SOL_SOCKET)); |
370312ae | 1710 | #endif |
8fae2bf4 KR |
1711 | #ifdef IPPROTO_IP |
1712 | scm_c_define ("IPPROTO_IP", scm_from_int (IPPROTO_IP)); | |
370312ae | 1713 | #endif |
8fae2bf4 KR |
1714 | #ifdef IPPROTO_TCP |
1715 | scm_c_define ("IPPROTO_TCP", scm_from_int (IPPROTO_TCP)); | |
370312ae | 1716 | #endif |
8fae2bf4 KR |
1717 | #ifdef IPPROTO_UDP |
1718 | scm_c_define ("IPPROTO_UDP", scm_from_int (IPPROTO_UDP)); | |
370312ae GH |
1719 | #endif |
1720 | ||
1721 | /* setsockopt names. */ | |
1722 | #ifdef SO_DEBUG | |
e11e83f3 | 1723 | scm_c_define ("SO_DEBUG", scm_from_int (SO_DEBUG)); |
370312ae GH |
1724 | #endif |
1725 | #ifdef SO_REUSEADDR | |
e11e83f3 | 1726 | scm_c_define ("SO_REUSEADDR", scm_from_int (SO_REUSEADDR)); |
370312ae GH |
1727 | #endif |
1728 | #ifdef SO_STYLE | |
e11e83f3 | 1729 | scm_c_define ("SO_STYLE", scm_from_int (SO_STYLE)); |
370312ae GH |
1730 | #endif |
1731 | #ifdef SO_TYPE | |
e11e83f3 | 1732 | scm_c_define ("SO_TYPE", scm_from_int (SO_TYPE)); |
370312ae GH |
1733 | #endif |
1734 | #ifdef SO_ERROR | |
e11e83f3 | 1735 | scm_c_define ("SO_ERROR", scm_from_int (SO_ERROR)); |
370312ae GH |
1736 | #endif |
1737 | #ifdef SO_DONTROUTE | |
e11e83f3 | 1738 | scm_c_define ("SO_DONTROUTE", scm_from_int (SO_DONTROUTE)); |
370312ae GH |
1739 | #endif |
1740 | #ifdef SO_BROADCAST | |
e11e83f3 | 1741 | scm_c_define ("SO_BROADCAST", scm_from_int (SO_BROADCAST)); |
370312ae GH |
1742 | #endif |
1743 | #ifdef SO_SNDBUF | |
e11e83f3 | 1744 | scm_c_define ("SO_SNDBUF", scm_from_int (SO_SNDBUF)); |
370312ae GH |
1745 | #endif |
1746 | #ifdef SO_RCVBUF | |
e11e83f3 | 1747 | scm_c_define ("SO_RCVBUF", scm_from_int (SO_RCVBUF)); |
370312ae GH |
1748 | #endif |
1749 | #ifdef SO_KEEPALIVE | |
e11e83f3 | 1750 | scm_c_define ("SO_KEEPALIVE", scm_from_int (SO_KEEPALIVE)); |
370312ae GH |
1751 | #endif |
1752 | #ifdef SO_OOBINLINE | |
e11e83f3 | 1753 | scm_c_define ("SO_OOBINLINE", scm_from_int (SO_OOBINLINE)); |
370312ae GH |
1754 | #endif |
1755 | #ifdef SO_NO_CHECK | |
e11e83f3 | 1756 | scm_c_define ("SO_NO_CHECK", scm_from_int (SO_NO_CHECK)); |
370312ae GH |
1757 | #endif |
1758 | #ifdef SO_PRIORITY | |
e11e83f3 | 1759 | scm_c_define ("SO_PRIORITY", scm_from_int (SO_PRIORITY)); |
370312ae GH |
1760 | #endif |
1761 | #ifdef SO_LINGER | |
e11e83f3 | 1762 | scm_c_define ("SO_LINGER", scm_from_int (SO_LINGER)); |
370312ae GH |
1763 | #endif |
1764 | ||
1765 | /* recv/send options. */ | |
8ab3d8a0 KR |
1766 | #ifdef MSG_DONTWAIT |
1767 | scm_c_define ("MSG_DONTWAIT", scm_from_int (MSG_DONTWAIT)); | |
1768 | #endif | |
370312ae | 1769 | #ifdef MSG_OOB |
e11e83f3 | 1770 | scm_c_define ("MSG_OOB", scm_from_int (MSG_OOB)); |
370312ae GH |
1771 | #endif |
1772 | #ifdef MSG_PEEK | |
e11e83f3 | 1773 | scm_c_define ("MSG_PEEK", scm_from_int (MSG_PEEK)); |
370312ae GH |
1774 | #endif |
1775 | #ifdef MSG_DONTROUTE | |
e11e83f3 | 1776 | scm_c_define ("MSG_DONTROUTE", scm_from_int (MSG_DONTROUTE)); |
370312ae GH |
1777 | #endif |
1778 | ||
b4e15479 SJ |
1779 | #ifdef __MINGW32__ |
1780 | scm_i_init_socket_Win32 (); | |
1781 | #endif | |
1782 | ||
1c80707c MV |
1783 | #ifdef IP_ADD_MEMBERSHIP |
1784 | scm_c_define ("IP_ADD_MEMBERSHIP", scm_from_int (IP_ADD_MEMBERSHIP)); | |
1785 | scm_c_define ("IP_DROP_MEMBERSHIP", scm_from_int (IP_DROP_MEMBERSHIP)); | |
1786 | #endif | |
1787 | ||
511246a1 TCM |
1788 | #ifdef IP_MULTICAST_TTL |
1789 | scm_c_define ("IP_MULTICAST_TTL", scm_from_int ( IP_MULTICAST_TTL)); | |
1790 | #endif | |
1791 | ||
1792 | #ifdef IP_MULTICAST_IF | |
1793 | scm_c_define ("IP_MULTICAST_IF", scm_from_int ( IP_MULTICAST_IF)); | |
1794 | #endif | |
1795 | ||
0f2d19dd | 1796 | scm_add_feature ("socket"); |
370312ae | 1797 | |
a0599745 | 1798 | #include "libguile/socket.x" |
0f2d19dd JB |
1799 | } |
1800 | ||
89e00824 ML |
1801 | |
1802 | /* | |
1803 | Local Variables: | |
1804 | c-file-style: "gnu" | |
1805 | End: | |
1806 | */ |