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e4b265d8 | 1 | /* Copyright (C) 1996,1997,1998,2000,2001 Free Software Foundation, Inc. |
86667910 JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program 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 | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
86667910 JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
1bbd0b84 GB |
41 | |
42 | /* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, | |
43 | gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ | |
44 | ||
0f2d19dd JB |
45 | \f |
46 | ||
e6e2e95a MD |
47 | #include <errno.h> |
48 | ||
a0599745 MD |
49 | #include "libguile/_scm.h" |
50 | #include "libguile/unif.h" | |
51 | #include "libguile/feature.h" | |
52 | #include "libguile/fports.h" | |
53 | #include "libguile/strings.h" | |
54 | #include "libguile/vectors.h" | |
20e6290e | 55 | |
a0599745 MD |
56 | #include "libguile/validate.h" |
57 | #include "libguile/socket.h" | |
95b88819 GH |
58 | |
59 | #ifdef HAVE_STRING_H | |
60 | #include <string.h> | |
61 | #endif | |
370312ae GH |
62 | #ifdef HAVE_UNISTD_H |
63 | #include <unistd.h> | |
64 | #endif | |
0f2d19dd JB |
65 | #include <sys/types.h> |
66 | #include <sys/socket.h> | |
1ba8c23a | 67 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
0f2d19dd | 68 | #include <sys/un.h> |
0e958795 | 69 | #endif |
0f2d19dd JB |
70 | #include <netinet/in.h> |
71 | #include <netdb.h> | |
72 | #include <arpa/inet.h> | |
73 | ||
97d0e20b GH |
74 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN) |
75 | #define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \ | |
76 | + strlen ((ptr)->sun_path)) | |
77 | #endif | |
78 | ||
439006bf GH |
79 | /* we are not currently using socklen_t. it's not defined on all systems, |
80 | so would need to be checked by configure. in the meantime, plain | |
81 | int is the best alternative. */ | |
82 | ||
0f2d19dd JB |
83 | \f |
84 | ||
a1ec6916 | 85 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
86 | (SCM value), |
87 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
88 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
89 | "and returned as a new integer.") | |
1bbd0b84 | 90 | #define FUNC_NAME s_scm_htons |
5c11cc9d GH |
91 | { |
92 | unsigned short c_in; | |
93 | ||
eefae538 GH |
94 | SCM_VALIDATE_INUM_COPY (1, value, c_in); |
95 | if (c_in != SCM_INUM (value)) | |
96 | SCM_OUT_OF_RANGE (1, value); | |
5c11cc9d GH |
97 | |
98 | return SCM_MAKINUM (htons (c_in)); | |
99 | } | |
1bbd0b84 | 100 | #undef FUNC_NAME |
5c11cc9d | 101 | |
a1ec6916 | 102 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
103 | (SCM value), |
104 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
105 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
106 | "and returned as a new integer.") | |
1bbd0b84 | 107 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d GH |
108 | { |
109 | unsigned short c_in; | |
110 | ||
eefae538 GH |
111 | SCM_VALIDATE_INUM_COPY (1, value, c_in); |
112 | if (c_in != SCM_INUM (value)) | |
113 | SCM_OUT_OF_RANGE (1, value); | |
5c11cc9d GH |
114 | |
115 | return SCM_MAKINUM (ntohs (c_in)); | |
116 | } | |
1bbd0b84 | 117 | #undef FUNC_NAME |
5c11cc9d | 118 | |
a1ec6916 | 119 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
120 | (SCM value), |
121 | "Convert a 32 bit quantity from host to network byte ordering.\n" | |
122 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
123 | "and returned as a new integer.") | |
1bbd0b84 | 124 | #define FUNC_NAME s_scm_htonl |
5c11cc9d | 125 | { |
eefae538 | 126 | uint32_t c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 127 | |
5c11cc9d GH |
128 | return scm_ulong2num (htonl (c_in)); |
129 | } | |
1bbd0b84 | 130 | #undef FUNC_NAME |
5c11cc9d | 131 | |
a1ec6916 | 132 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
133 | (SCM value), |
134 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
135 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
136 | "and returned as a new integer.") | |
1bbd0b84 | 137 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 138 | { |
eefae538 | 139 | uint32_t c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 140 | |
5c11cc9d GH |
141 | return scm_ulong2num (ntohl (c_in)); |
142 | } | |
1bbd0b84 | 143 | #undef FUNC_NAME |
5c11cc9d | 144 | |
66c73b76 GH |
145 | #ifndef HAVE_INET_ATON |
146 | /* for our definition in inet_aton.c, not usually needed. */ | |
147 | extern int inet_aton (); | |
148 | #endif | |
149 | ||
150 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
151 | (SCM address), | |
eefae538 GH |
152 | "Convert an IPv4 Internet address from printable string\n" |
153 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
154 | "@lisp\n" |
155 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
156 | "@end lisp") | |
157 | #define FUNC_NAME s_scm_inet_aton | |
158 | { | |
159 | struct in_addr soka; | |
160 | ||
161 | SCM_VALIDATE_STRING (1, address); | |
162 | SCM_STRING_COERCE_0TERMINATION_X (address); | |
163 | if (inet_aton (SCM_STRING_CHARS (address), &soka) == 0) | |
164 | SCM_MISC_ERROR ("bad address", SCM_EOL); | |
165 | return scm_ulong2num (ntohl (soka.s_addr)); | |
166 | } | |
167 | #undef FUNC_NAME | |
168 | ||
169 | ||
170 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
171 | (SCM inetid), | |
eefae538 GH |
172 | "Convert an IPv4 Internet address to a printable\n" |
173 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
174 | "@lisp\n" |
175 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
176 | "@end lisp") | |
177 | #define FUNC_NAME s_scm_inet_ntoa | |
178 | { | |
179 | struct in_addr addr; | |
180 | char *s; | |
181 | SCM answer; | |
182 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
183 | s = inet_ntoa (addr); | |
184 | answer = scm_makfromstr (s, strlen (s), 0); | |
185 | return answer; | |
186 | } | |
187 | #undef FUNC_NAME | |
188 | ||
189 | #ifdef HAVE_INET_NETOF | |
190 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
191 | (SCM address), | |
eefae538 GH |
192 | "Return the network number part of the given IPv4\n" |
193 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
194 | "@lisp\n" |
195 | "(inet-netof 2130706433) @result{} 127\n" | |
196 | "@end lisp") | |
197 | #define FUNC_NAME s_scm_inet_netof | |
198 | { | |
199 | struct in_addr addr; | |
200 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
201 | return scm_ulong2num ((unsigned long) inet_netof (addr)); | |
202 | } | |
203 | #undef FUNC_NAME | |
204 | #endif | |
205 | ||
206 | #ifdef HAVE_INET_LNAOF | |
207 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
208 | (SCM address), | |
209 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
210 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
211 | "E.g.,\n\n" | |
66c73b76 GH |
212 | "@lisp\n" |
213 | "(inet-lnaof 2130706433) @result{} 1\n" | |
214 | "@end lisp") | |
215 | #define FUNC_NAME s_scm_lnaof | |
216 | { | |
217 | struct in_addr addr; | |
218 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
219 | return scm_ulong2num ((unsigned long) inet_lnaof (addr)); | |
220 | } | |
221 | #undef FUNC_NAME | |
222 | #endif | |
223 | ||
224 | #ifdef HAVE_INET_MAKEADDR | |
225 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
226 | (SCM net, SCM lna), | |
eefae538 | 227 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 228 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 229 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
230 | "@lisp\n" |
231 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
232 | "@end lisp") | |
233 | #define FUNC_NAME s_scm_inet_makeaddr | |
234 | { | |
235 | struct in_addr addr; | |
236 | unsigned long netnum; | |
237 | unsigned long lnanum; | |
238 | ||
239 | netnum = SCM_NUM2ULONG (1, net); | |
240 | lnanum = SCM_NUM2ULONG (2, lna); | |
241 | addr = inet_makeaddr (netnum, lnanum); | |
242 | return scm_ulong2num (ntohl (addr.s_addr)); | |
243 | } | |
244 | #undef FUNC_NAME | |
245 | #endif | |
246 | ||
eefae538 GH |
247 | #ifdef AF_INET6 |
248 | ||
66c73b76 GH |
249 | /* flip a 128 bit IPv6 address between host and network order. */ |
250 | #ifdef WORDS_BIGENDIAN | |
251 | #define FLIP_NET_HOST_128(addr) | |
252 | #else | |
253 | #define FLIP_NET_HOST_128(addr)\ | |
254 | {\ | |
255 | int i;\ | |
256 | \ | |
257 | for (i = 0; i < 8; i++)\ | |
258 | {\ | |
259 | char c = (addr)[i];\ | |
260 | \ | |
261 | (addr)[i] = (addr)[15 - i];\ | |
262 | (addr)[15 - i] = c;\ | |
263 | }\ | |
264 | } | |
265 | #endif | |
266 | ||
267 | /* convert a 128 bit IPv6 address in network order to a host ordered | |
268 | SCM integer. */ | |
269 | static SCM ipv6_net_to_num (const char *src) | |
270 | { | |
271 | int big_digits = 128 / SCM_BITSPERDIG; | |
272 | const int bytes_per_dig = SCM_BITSPERDIG / 8; | |
273 | char addr[16]; | |
274 | char *ptr = addr; | |
275 | SCM result; | |
276 | ||
277 | memcpy (addr, src, 16); | |
278 | /* get rid of leading zeros. */ | |
279 | while (big_digits > 0) | |
280 | { | |
281 | long test = 0; | |
282 | ||
283 | memcpy (&test, ptr, bytes_per_dig); | |
284 | if (test != 0) | |
285 | break; | |
286 | ptr += bytes_per_dig; | |
287 | big_digits--; | |
288 | } | |
289 | FLIP_NET_HOST_128 (addr); | |
290 | if (big_digits * bytes_per_dig <= sizeof (unsigned long)) | |
291 | { | |
292 | /* this is just so that we use INUM where possible. */ | |
293 | unsigned long l_addr; | |
294 | ||
295 | memcpy (&l_addr, addr, sizeof (unsigned long)); | |
296 | result = scm_ulong2num (l_addr); | |
297 | } | |
298 | else | |
299 | { | |
300 | result = scm_mkbig (big_digits, 0); | |
301 | memcpy (SCM_BDIGITS (result), addr, big_digits * bytes_per_dig); | |
302 | } | |
303 | return result; | |
304 | } | |
305 | ||
306 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
307 | network order. */ | |
308 | static void ipv6_num_to_net (SCM src, char *dst) | |
309 | { | |
310 | if (SCM_INUMP (src)) | |
311 | { | |
312 | uint32_t addr = htonl (SCM_INUM (src)); | |
313 | ||
314 | memset (dst, 0, 12); | |
315 | memcpy (dst + 12, &addr, 4); | |
316 | } | |
317 | else | |
318 | { | |
319 | memset (dst, 0, 16); | |
320 | memcpy (dst, SCM_BDIGITS (src), | |
321 | SCM_NUMDIGS (src) * (SCM_BITSPERDIG / 8)); | |
322 | FLIP_NET_HOST_128 (dst); | |
323 | } | |
324 | } | |
325 | ||
326 | /* check that an SCM variable contains an IPv6 integer address. */ | |
327 | #define VALIDATE_INET6(which_arg, address)\ | |
328 | if (SCM_INUMP (address))\ | |
329 | SCM_ASSERT_RANGE (which_arg, address, SCM_INUM (address) >= 0);\ | |
330 | else\ | |
331 | {\ | |
332 | SCM_VALIDATE_BIGINT (which_arg, address);\ | |
333 | SCM_ASSERT_RANGE (which_arg, address,\ | |
334 | !SCM_BIGSIGN (address)\ | |
335 | && (SCM_BITSPERDIG\ | |
336 | * SCM_NUMDIGS (address) <= 128));\ | |
337 | } | |
338 | ||
339 | #ifdef HAVE_INET_PTON | |
340 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, | |
341 | (SCM family, SCM address), | |
eefae538 GH |
342 | "Convert a string containing a printable network address to\n" |
343 | "an integer address. Note that unlike the C version of this\n" | |
344 | "function,\n" | |
66c73b76 | 345 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 346 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 GH |
347 | "@lisp\n" |
348 | "(inet-pton AF_INET "127.0.0.1") @result{} 2130706433\n" | |
349 | "(inet-pton AF_INET6 "::1") @result{} 1\n" | |
350 | "@end lisp") | |
351 | #define FUNC_NAME s_scm_inet_pton | |
352 | { | |
353 | int af; | |
354 | char *src; | |
355 | char dst[16]; | |
356 | int rv; | |
357 | ||
358 | SCM_VALIDATE_INUM_COPY (1, family, af); | |
359 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); | |
360 | SCM_VALIDATE_STRING_COPY (2, address, src); | |
361 | rv = inet_pton (af, src, dst); | |
362 | if (rv == -1) | |
363 | SCM_SYSERROR; | |
364 | else if (rv == 0) | |
365 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
366 | if (af == AF_INET) | |
367 | return scm_ulong2num (ntohl (*(uint32_t *) dst)); | |
368 | else | |
369 | return ipv6_net_to_num ((char *) dst); | |
370 | } | |
371 | #undef FUNC_NAME | |
372 | #endif | |
373 | ||
374 | #ifdef HAVE_INET_NTOP | |
375 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, | |
376 | (SCM family, SCM address), | |
eefae538 | 377 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
378 | "Note that unlike the C version of this function,\n" |
379 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 380 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 GH |
381 | "@lisp\n" |
382 | "(inet-ntop AF_INET 2130706433) @result{} "127.0.0.1"\n" | |
383 | "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n" | |
384 | "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n" | |
385 | "@end lisp") | |
386 | #define FUNC_NAME s_scm_inet_ntop | |
387 | { | |
388 | int af; | |
389 | #ifdef INET6_ADDRSTRLEN | |
390 | char dst[INET6_ADDRSTRLEN]; | |
391 | #else | |
392 | char dst[46]; | |
393 | #endif | |
394 | char addr6[16]; | |
395 | ||
396 | SCM_VALIDATE_INUM_COPY (1, family, af); | |
397 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); | |
398 | if (af == AF_INET) | |
399 | *(uint32_t *) addr6 = htonl (SCM_NUM2ULONG (2, address)); | |
400 | else | |
401 | { | |
402 | VALIDATE_INET6 (2, address); | |
403 | ipv6_num_to_net (address, addr6); | |
404 | } | |
405 | if (inet_ntop (af, &addr6, dst, sizeof dst) == NULL) | |
406 | SCM_SYSERROR; | |
407 | return scm_makfrom0str (dst); | |
408 | } | |
409 | #undef FUNC_NAME | |
410 | #endif | |
411 | ||
eefae538 GH |
412 | #endif /* AF_INET6 */ |
413 | ||
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 | |
439006bf GH |
435 | SCM_VALIDATE_INUM (1, family); |
436 | SCM_VALIDATE_INUM (2, style); | |
437 | SCM_VALIDATE_INUM (3, proto); | |
370312ae | 438 | fd = socket (SCM_INUM (family), SCM_INUM (style), SCM_INUM (proto)); |
439006bf GH |
439 | if (fd == -1) |
440 | SCM_SYSERROR; | |
441 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 442 | } |
1bbd0b84 | 443 | #undef FUNC_NAME |
0f2d19dd | 444 | |
0e958795 | 445 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 446 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 447 | (SCM family, SCM style, SCM proto), |
1e6808ea | 448 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 449 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
450 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
451 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 452 | "@var{proto}.") |
1bbd0b84 | 453 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 454 | { |
370312ae GH |
455 | int fam; |
456 | int fd[2]; | |
370312ae | 457 | |
3b3b36dd GB |
458 | SCM_VALIDATE_INUM (1,family); |
459 | SCM_VALIDATE_INUM (2,style); | |
460 | SCM_VALIDATE_INUM (3,proto); | |
370312ae GH |
461 | |
462 | fam = SCM_INUM (family); | |
463 | ||
370312ae | 464 | if (socketpair (fam, SCM_INUM (style), SCM_INUM (proto), fd) == -1) |
1bbd0b84 | 465 | SCM_SYSERROR; |
370312ae | 466 | |
439006bf | 467 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 468 | } |
1bbd0b84 | 469 | #undef FUNC_NAME |
0e958795 | 470 | #endif |
0f2d19dd | 471 | |
a1ec6916 | 472 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 473 | (SCM sock, SCM level, SCM optname), |
1e6808ea | 474 | "Return the value of a particular socket option for the socket\n" |
eefae538 | 475 | "port @var{sock}. @var{level} is an integer code for type of\n" |
1e6808ea MG |
476 | "option being requested, e.g., @code{SOL_SOCKET} for\n" |
477 | "socket-level options. @var{optname} is an integer code for the\n" | |
478 | "option required and should be specified using one of the\n" | |
eefae538 | 479 | "symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n\n" |
1e6808ea MG |
480 | "The returned value is typically an integer but @code{SO_LINGER}\n" |
481 | "returns a pair of integers.") | |
1bbd0b84 | 482 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 483 | { |
370312ae | 484 | int fd; |
439006bf | 485 | /* size of optval is the largest supported option. */ |
370312ae GH |
486 | #ifdef HAVE_STRUCT_LINGER |
487 | char optval[sizeof (struct linger)]; | |
439006bf | 488 | int optlen = sizeof (struct linger); |
370312ae GH |
489 | #else |
490 | char optval[sizeof (scm_sizet)]; | |
439006bf | 491 | int optlen = sizeof (scm_sizet); |
370312ae GH |
492 | #endif |
493 | int ilevel; | |
494 | int ioptname; | |
0f2d19dd | 495 | |
78446828 | 496 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 MD |
497 | SCM_VALIDATE_OPFPORT (1, sock); |
498 | SCM_VALIDATE_INUM_COPY (2, level, ilevel); | |
499 | SCM_VALIDATE_INUM_COPY (3, optname, ioptname); | |
0f2d19dd | 500 | |
ee149d03 | 501 | fd = SCM_FPORT_FDES (sock); |
370312ae | 502 | if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1) |
1bbd0b84 | 503 | SCM_SYSERROR; |
1cc91f1b | 504 | |
439006bf | 505 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 506 | { |
439006bf GH |
507 | #ifdef SO_LINGER |
508 | if (ioptname == SO_LINGER) | |
509 | { | |
370312ae | 510 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
511 | struct linger *ling = (struct linger *) optval; |
512 | ||
513 | return scm_cons (scm_long2num (ling->l_onoff), | |
514 | scm_long2num (ling->l_linger)); | |
370312ae | 515 | #else |
439006bf GH |
516 | return scm_cons (scm_long2num (*(int *) optval) |
517 | SCM_MAKINUM (0)); | |
0f2d19dd | 518 | #endif |
439006bf GH |
519 | } |
520 | else | |
370312ae | 521 | #endif |
439006bf | 522 | if (0 |
370312ae | 523 | #ifdef SO_SNDBUF |
439006bf | 524 | || ioptname == SO_SNDBUF |
370312ae GH |
525 | #endif |
526 | #ifdef SO_RCVBUF | |
439006bf | 527 | || ioptname == SO_RCVBUF |
370312ae | 528 | #endif |
439006bf GH |
529 | ) |
530 | { | |
531 | return scm_long2num (*(scm_sizet *) optval); | |
532 | } | |
533 | } | |
534 | return scm_long2num (*(int *) optval); | |
0f2d19dd | 535 | } |
1bbd0b84 | 536 | #undef FUNC_NAME |
0f2d19dd | 537 | |
a1ec6916 | 538 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 539 | (SCM sock, SCM level, SCM optname, SCM value), |
eefae538 GH |
540 | "Set the value of a particular socket option for the socket\n" |
541 | "port @var{sock}. @var{level} is an integer code for type of option\n" | |
b380b885 MD |
542 | "being set, e.g., @code{SOL_SOCKET} for socket-level options.\n" |
543 | "@var{optname} is an\n" | |
544 | "integer code for the option to set and should be specified using one of\n" | |
545 | "the symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n" | |
546 | "@var{value} is the value to which the option should be set. For\n" | |
547 | "most options this must be an integer, but for @code{SO_LINGER} it must\n" | |
548 | "be a pair.\n\n" | |
549 | "The return value is unspecified.") | |
1bbd0b84 | 550 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 551 | { |
370312ae | 552 | int fd; |
439006bf GH |
553 | int optlen = -1; |
554 | /* size of optval is the largest supported option. */ | |
370312ae | 555 | #ifdef HAVE_STRUCT_LINGER |
439006bf | 556 | char optval[sizeof (struct linger)]; |
370312ae GH |
557 | #else |
558 | char optval[sizeof (scm_sizet)]; | |
559 | #endif | |
560 | int ilevel, ioptname; | |
439006bf | 561 | |
78446828 | 562 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
563 | |
564 | SCM_VALIDATE_OPFPORT (1, sock); | |
565 | SCM_VALIDATE_INUM_COPY (2, level, ilevel); | |
566 | SCM_VALIDATE_INUM_COPY (3, optname, ioptname); | |
567 | ||
ee149d03 | 568 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
569 | |
570 | if (ilevel == SOL_SOCKET) | |
370312ae | 571 | { |
439006bf GH |
572 | #ifdef SO_LINGER |
573 | if (ioptname == SO_LINGER) | |
574 | { | |
370312ae | 575 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
576 | struct linger ling; |
577 | long lv; | |
578 | ||
579 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
580 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
581 | ling.l_onoff = (int) lv; | |
582 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_onoff == lv); | |
583 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
584 | ling.l_linger = (int) lv; | |
585 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_linger == lv); | |
586 | optlen = (int) sizeof (struct linger); | |
587 | memcpy (optval, (void *) &ling, optlen); | |
370312ae | 588 | #else |
439006bf GH |
589 | int ling; |
590 | long lv; | |
591 | ||
592 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
593 | /* timeout is ignored, but may as well validate it. */ | |
594 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
595 | ling = (int) lv; | |
596 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
597 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
598 | ling = (int) lv; | |
599 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
600 | optlen = (int) sizeof (int); | |
601 | (*(int *) optval) = ling; | |
602 | #endif | |
603 | } | |
604 | else | |
605 | #endif | |
606 | if (0 | |
370312ae | 607 | #ifdef SO_SNDBUF |
439006bf | 608 | || ioptname == SO_SNDBUF |
370312ae GH |
609 | #endif |
610 | #ifdef SO_RCVBUF | |
439006bf | 611 | || ioptname == SO_RCVBUF |
370312ae | 612 | #endif |
439006bf GH |
613 | ) |
614 | { | |
615 | long lv = SCM_NUM2LONG (4, value); | |
616 | ||
617 | optlen = (int) sizeof (scm_sizet); | |
618 | (*(scm_sizet *) optval) = (scm_sizet) lv; | |
619 | } | |
620 | } | |
621 | if (optlen == -1) | |
0f2d19dd | 622 | { |
439006bf GH |
623 | /* Most options take an int. */ |
624 | long lv = SCM_NUM2LONG (4, value); | |
625 | int val = (int) lv; | |
626 | ||
627 | SCM_ASSERT_RANGE (SCM_ARG4, value, val == lv); | |
370312ae | 628 | optlen = (int) sizeof (int); |
439006bf | 629 | (*(int *) optval) = val; |
0f2d19dd | 630 | } |
370312ae | 631 | if (setsockopt (fd, ilevel, ioptname, (void *) optval, optlen) == -1) |
1bbd0b84 | 632 | SCM_SYSERROR; |
370312ae | 633 | return SCM_UNSPECIFIED; |
0f2d19dd | 634 | } |
1bbd0b84 | 635 | #undef FUNC_NAME |
0f2d19dd | 636 | |
a1ec6916 | 637 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 638 | (SCM sock, SCM how), |
b380b885 MD |
639 | "Sockets can be closed simply by using @code{close-port}. The\n" |
640 | "@code{shutdown} procedure allows reception or tranmission on a\n" | |
641 | "connection to be shut down individually, according to the parameter\n" | |
642 | "@var{how}:\n\n" | |
643 | "@table @asis\n" | |
644 | "@item 0\n" | |
645 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
646 | "@item 1\n" | |
647 | "Stop trying to transmit data from this socket. Discard any\n" | |
648 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
649 | "data already sent; don't retransmit it if it is lost.\n" | |
650 | "@item 2\n" | |
651 | "Stop both reception and transmission.\n" | |
652 | "@end table\n\n" | |
653 | "The return value is unspecified.") | |
1bbd0b84 | 654 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 655 | { |
370312ae | 656 | int fd; |
78446828 | 657 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
658 | SCM_VALIDATE_OPFPORT (1,sock); |
659 | SCM_VALIDATE_INUM (2,how); | |
1bbd0b84 | 660 | SCM_ASSERT_RANGE(2,how,0 <= SCM_INUM (how) && 2 >= SCM_INUM (how)); |
ee149d03 | 661 | fd = SCM_FPORT_FDES (sock); |
370312ae | 662 | if (shutdown (fd, SCM_INUM (how)) == -1) |
1bbd0b84 | 663 | SCM_SYSERROR; |
370312ae GH |
664 | return SCM_UNSPECIFIED; |
665 | } | |
1bbd0b84 | 666 | #undef FUNC_NAME |
0f2d19dd | 667 | |
370312ae GH |
668 | /* convert fam/address/args into a sockaddr of the appropriate type. |
669 | args is modified by removing the arguments actually used. | |
670 | which_arg and proc are used when reporting errors: | |
671 | which_arg is the position of address in the original argument list. | |
672 | proc is the name of the original procedure. | |
673 | size returns the size of the structure allocated. */ | |
674 | ||
370312ae | 675 | static struct sockaddr * |
439006bf GH |
676 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
677 | const char *proc, int *size) | |
3453619b | 678 | #define FUNC_NAME proc |
370312ae GH |
679 | { |
680 | switch (fam) | |
0f2d19dd | 681 | { |
370312ae GH |
682 | case AF_INET: |
683 | { | |
370312ae | 684 | struct sockaddr_in *soka; |
3453619b GH |
685 | unsigned long addr; |
686 | int port; | |
370312ae | 687 | |
3453619b GH |
688 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
689 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
690 | SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port); | |
691 | *args = SCM_CDR (*args); | |
439006bf GH |
692 | soka = (struct sockaddr_in *) malloc (sizeof (struct sockaddr_in)); |
693 | if (!soka) | |
694 | scm_memory_error (proc); | |
3453619b GH |
695 | /* 4.4BSD-style interface includes sin_len member and defines SIN_LEN, |
696 | 4.3BSD does not. */ | |
697 | #ifdef SIN_LEN | |
698 | soka->sin_len = sizeof (struct sockaddr_in); | |
699 | #endif | |
370312ae | 700 | soka->sin_family = AF_INET; |
3453619b GH |
701 | soka->sin_addr.s_addr = htonl (addr); |
702 | soka->sin_port = htons (port); | |
370312ae GH |
703 | *size = sizeof (struct sockaddr_in); |
704 | return (struct sockaddr *) soka; | |
705 | } | |
3453619b GH |
706 | #ifdef AF_INET6 |
707 | case AF_INET6: | |
708 | { | |
709 | /* see RFC2553. */ | |
710 | int port; | |
711 | struct sockaddr_in6 *soka; | |
712 | unsigned long flowinfo = 0; | |
713 | unsigned long scope_id = 0; | |
714 | ||
66c73b76 | 715 | VALIDATE_INET6 (which_arg, address); |
3453619b GH |
716 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
717 | SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port); | |
718 | *args = SCM_CDR (*args); | |
719 | if (SCM_CONSP (*args)) | |
720 | { | |
721 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
722 | *args = SCM_CDR (*args); | |
723 | if (SCM_CONSP (*args)) | |
724 | { | |
725 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
726 | scope_id); | |
727 | *args = SCM_CDR (*args); | |
728 | } | |
729 | } | |
730 | soka = (struct sockaddr_in6 *) malloc (sizeof (struct sockaddr_in6)); | |
731 | if (!soka) | |
732 | scm_memory_error (proc); | |
733 | #ifdef SIN_LEN6 | |
734 | soka->sin6_len = sizeof (struct sockaddr_in6); | |
735 | #endif | |
736 | soka->sin6_family = AF_INET6; | |
66c73b76 | 737 | ipv6_num_to_net (address, soka->sin6_addr.s6_addr); |
5a525b84 | 738 | soka->sin6_port = htons (port); |
3453619b | 739 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 740 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 741 | soka->sin6_scope_id = scope_id; |
5a525b84 | 742 | #endif |
3453619b GH |
743 | *size = sizeof (struct sockaddr_in6); |
744 | return (struct sockaddr *) soka; | |
745 | } | |
746 | #endif | |
1ba8c23a | 747 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
748 | case AF_UNIX: |
749 | { | |
750 | struct sockaddr_un *soka; | |
439006bf | 751 | int addr_size; |
370312ae | 752 | |
a6d9e5ab | 753 | SCM_ASSERT (SCM_STRINGP (address), address, which_arg, proc); |
439006bf GH |
754 | /* the static buffer size in sockaddr_un seems to be arbitrary |
755 | and not necessarily a hard limit. e.g., the glibc manual | |
756 | suggests it may be possible to declare it size 0. let's | |
757 | ignore it. if the O/S doesn't like the size it will cause | |
758 | connect/bind etc., to fail. sun_path is always the last | |
759 | member of the structure. */ | |
760 | addr_size = sizeof (struct sockaddr_un) | |
761 | + max (0, SCM_STRING_LENGTH (address) + 1 - (sizeof soka->sun_path)); | |
762 | soka = (struct sockaddr_un *) malloc (addr_size); | |
763 | if (!soka) | |
764 | scm_memory_error (proc); | |
765 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ | |
766 | soka->sun_family = AF_UNIX; | |
34f0f2b8 | 767 | memcpy (soka->sun_path, SCM_STRING_CHARS (address), |
439006bf GH |
768 | SCM_STRING_LENGTH (address)); |
769 | *size = SUN_LEN (soka); | |
370312ae GH |
770 | return (struct sockaddr *) soka; |
771 | } | |
0e958795 | 772 | #endif |
370312ae GH |
773 | default: |
774 | scm_out_of_range (proc, SCM_MAKINUM (fam)); | |
0f2d19dd | 775 | } |
0f2d19dd | 776 | } |
3453619b | 777 | #undef FUNC_NAME |
370312ae | 778 | |
a1ec6916 | 779 | SCM_DEFINE (scm_connect, "connect", 3, 0, 1, |
1bbd0b84 | 780 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 781 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
782 | "family to the address\n" |
783 | "specified by @var{address} and possibly @var{args}.\n" | |
784 | "The format required for @var{address}\n" | |
785 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 786 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 787 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
788 | "filename where the socket is to be created.\n\n" |
789 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
790 | "@var{address} must be an integer IPv4 host address and\n" |
791 | "@var{args} must be a single integer port number.\n\n" | |
792 | "For a socket of family @code{AF_INET6},\n" | |
793 | "@var{address} must be an integer IPv6 host address and\n" | |
794 | "@var{args} may be up to three integers:\n" | |
795 | "port [flowinfo] [scope_id],\n" | |
796 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 797 | "The return value is unspecified.") |
1bbd0b84 | 798 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 799 | { |
370312ae GH |
800 | int fd; |
801 | struct sockaddr *soka; | |
439006bf | 802 | int size; |
0f2d19dd | 803 | |
78446828 | 804 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
805 | SCM_VALIDATE_OPFPORT (1,sock); |
806 | SCM_VALIDATE_INUM (2,fam); | |
ee149d03 | 807 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
808 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, |
809 | &size); | |
370312ae | 810 | if (connect (fd, soka, size) == -1) |
439006bf GH |
811 | { |
812 | int save_errno = errno; | |
813 | ||
814 | free (soka); | |
815 | errno = save_errno; | |
816 | SCM_SYSERROR; | |
817 | } | |
818 | free (soka); | |
370312ae | 819 | return SCM_UNSPECIFIED; |
0f2d19dd | 820 | } |
1bbd0b84 | 821 | #undef FUNC_NAME |
0f2d19dd | 822 | |
a1ec6916 | 823 | SCM_DEFINE (scm_bind, "bind", 3, 0, 1, |
1bbd0b84 | 824 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 825 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
826 | "Generally this only needs to be done for server sockets,\n" |
827 | "so they know where to look for incoming connections. A socket\n" | |
828 | "without an address will be assigned one automatically when it\n" | |
829 | "starts communicating.\n\n" | |
eefae538 GH |
830 | "The format of @var{address} and @var{args} depends\n" |
831 | "on the family of the socket.\n\n" | |
b380b885 | 832 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
833 | "is specified and must be a string with the filename where\n" |
834 | "the socket is to be created.\n\n" | |
835 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
836 | "must be an integer IPv4 address and @var{args}\n" | |
837 | "must be a single integer port number.\n\n" | |
838 | "The values of the following variables can also be used for\n" | |
839 | "@var{address}:\n\n" | |
b380b885 MD |
840 | "@defvar INADDR_ANY\n" |
841 | "Allow connections from any address.\n" | |
842 | "@end defvar\n\n" | |
843 | "@defvar INADDR_LOOPBACK\n" | |
844 | "The address of the local host using the loopback device.\n" | |
845 | "@end defvar\n\n" | |
846 | "@defvar INADDR_BROADCAST\n" | |
847 | "The broadcast address on the local network.\n" | |
848 | "@end defvar\n\n" | |
849 | "@defvar INADDR_NONE\n" | |
850 | "No address.\n" | |
851 | "@end defvar\n\n" | |
eefae538 GH |
852 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
853 | "must be an integer IPv6 address and @var{args}\n" | |
854 | "may be up to three integers:\n" | |
855 | "port [flowinfo] [scope_id],\n" | |
856 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 857 | "The return value is unspecified.") |
1bbd0b84 | 858 | #define FUNC_NAME s_scm_bind |
370312ae | 859 | { |
370312ae | 860 | struct sockaddr *soka; |
439006bf | 861 | int size; |
370312ae GH |
862 | int fd; |
863 | ||
78446828 | 864 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
865 | SCM_VALIDATE_OPFPORT (1, sock); |
866 | SCM_VALIDATE_INUM (2, fam); | |
867 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, | |
868 | &size); | |
ee149d03 | 869 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
870 | if (bind (fd, soka, size) == -1) |
871 | { | |
872 | int save_errno = errno; | |
873 | ||
874 | free (soka); | |
875 | errno = save_errno; | |
1bbd0b84 | 876 | SCM_SYSERROR; |
439006bf GH |
877 | } |
878 | free (soka); | |
370312ae GH |
879 | return SCM_UNSPECIFIED; |
880 | } | |
1bbd0b84 | 881 | #undef FUNC_NAME |
370312ae | 882 | |
a1ec6916 | 883 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 884 | (SCM sock, SCM backlog), |
eefae538 | 885 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
886 | "requests. @var{backlog} is an integer specifying\n" |
887 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
888 | "If the queue fills, new clients will fail to connect until\n" |
889 | "the server calls @code{accept} to accept a connection from\n" | |
890 | "the queue.\n\n" | |
b380b885 | 891 | "The return value is unspecified.") |
1bbd0b84 | 892 | #define FUNC_NAME s_scm_listen |
370312ae GH |
893 | { |
894 | int fd; | |
78446828 | 895 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
896 | SCM_VALIDATE_OPFPORT (1,sock); |
897 | SCM_VALIDATE_INUM (2,backlog); | |
ee149d03 | 898 | fd = SCM_FPORT_FDES (sock); |
370312ae | 899 | if (listen (fd, SCM_INUM (backlog)) == -1) |
1bbd0b84 | 900 | SCM_SYSERROR; |
370312ae GH |
901 | return SCM_UNSPECIFIED; |
902 | } | |
1bbd0b84 | 903 | #undef FUNC_NAME |
370312ae GH |
904 | |
905 | /* Put the components of a sockaddr into a new SCM vector. */ | |
370312ae | 906 | static SCM |
e1368a8d | 907 | scm_addr_vector (const struct sockaddr *address, const char *proc) |
0f2d19dd | 908 | { |
370312ae GH |
909 | short int fam = address->sa_family; |
910 | SCM result; | |
911 | SCM *ve; | |
439006bf | 912 | |
5a525b84 | 913 | switch (fam) |
0f2d19dd | 914 | { |
5a525b84 GH |
915 | case AF_INET: |
916 | { | |
e1368a8d | 917 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 918 | |
5a525b84 GH |
919 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
920 | ve = SCM_VELTS (result); | |
921 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
922 | ve[1] = scm_ulong2num (ntohl (nad->sin_addr.s_addr)); | |
923 | ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin_port)); | |
924 | } | |
925 | break; | |
926 | #ifdef AF_INET6 | |
927 | case AF_INET6: | |
928 | { | |
e1368a8d | 929 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 GH |
930 | |
931 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); | |
932 | ve = SCM_VELTS (result); | |
933 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
66c73b76 | 934 | ve[1] = ipv6_net_to_num (nad->sin6_addr.s6_addr); |
5a525b84 GH |
935 | ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin6_port)); |
936 | ve[3] = scm_ulong2num ((unsigned long) nad->sin6_flowinfo); | |
937 | #ifdef HAVE_SIN6_SCOPE_ID | |
938 | ve[4] = scm_ulong2num ((unsigned long) nad->sin6_scope_id); | |
939 | #else | |
940 | ve[4] = SCM_INUM0; | |
0e958795 | 941 | #endif |
5a525b84 GH |
942 | } |
943 | break; | |
944 | #endif | |
945 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
946 | case AF_UNIX: | |
947 | { | |
e1368a8d | 948 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 949 | |
5a525b84 GH |
950 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
951 | ve = SCM_VELTS (result); | |
952 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
953 | ve[1] = scm_makfromstr (nad->sun_path, | |
954 | (scm_sizet) strlen (nad->sun_path), 0); | |
955 | } | |
956 | break; | |
957 | #endif | |
958 | default: | |
959 | scm_misc_error (proc, "Unrecognised address family: ~A", | |
960 | SCM_LIST1 (SCM_MAKINUM (fam))); | |
0f2d19dd | 961 | } |
370312ae GH |
962 | return result; |
963 | } | |
964 | ||
439006bf GH |
965 | /* calculate the size of a buffer large enough to hold any supported |
966 | sockaddr type. if the buffer isn't large enough, certain system | |
967 | calls will return a truncated address. */ | |
370312ae | 968 | |
439006bf GH |
969 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) |
970 | #define MAX_SIZE_UN sizeof (struct sockaddr_un) | |
0e958795 | 971 | #else |
439006bf | 972 | #define MAX_SIZE_UN 0 |
0e958795 | 973 | #endif |
439006bf | 974 | |
5a525b84 GH |
975 | #if defined (AF_INET6) |
976 | #define MAX_SIZE_IN6 sizeof (struct sockaddr_in6) | |
977 | #else | |
978 | #define MAX_SIZE_IN6 0 | |
979 | #endif | |
980 | ||
981 | #define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\ | |
982 | MAX_SIZE_UN) | |
0f2d19dd | 983 | |
a1ec6916 | 984 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 985 | (SCM sock), |
eefae538 GH |
986 | "Accept a connection on a bound, listening socket.\n" |
987 | "If there\n" | |
988 | "are no pending connections in the queue, wait until\n" | |
989 | "one is available unless the non-blocking option has been\n" | |
990 | "set on the socket.\n\n" | |
b380b885 | 991 | "The return value is a\n" |
eefae538 GH |
992 | "pair in which the @emph{car} is a new socket port for the\n" |
993 | "connection and\n" | |
994 | "the @emph{cdr} is an object with address information about the\n" | |
995 | "client which initiated the connection.\n\n" | |
996 | "@var{sock} does not become part of the\n" | |
b380b885 | 997 | "connection and will continue to accept new requests.") |
1bbd0b84 | 998 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 999 | { |
370312ae GH |
1000 | int fd; |
1001 | int newfd; | |
1002 | SCM address; | |
1003 | SCM newsock; | |
439006bf GH |
1004 | int addr_size = MAX_ADDR_SIZE; |
1005 | char max_addr[MAX_ADDR_SIZE]; | |
1006 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1007 | |
78446828 | 1008 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1009 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1010 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
1011 | newfd = accept (fd, addr, &addr_size); |
1012 | if (newfd == -1) | |
1013 | SCM_SYSERROR; | |
1014 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
eefae538 | 1015 | address = scm_addr_vector (addr, FUNC_NAME); |
370312ae | 1016 | return scm_cons (newsock, address); |
0f2d19dd | 1017 | } |
1bbd0b84 | 1018 | #undef FUNC_NAME |
0f2d19dd | 1019 | |
a1ec6916 | 1020 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1021 | (SCM sock), |
eefae538 | 1022 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1023 | "object returned by @code{accept}. On many systems the address\n" |
1024 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1025 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1026 | { |
370312ae | 1027 | int fd; |
439006bf GH |
1028 | int addr_size = MAX_ADDR_SIZE; |
1029 | char max_addr[MAX_ADDR_SIZE]; | |
1030 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1031 | ||
78446828 | 1032 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1033 | SCM_VALIDATE_OPFPORT (1,sock); |
ee149d03 | 1034 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1035 | if (getsockname (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1036 | SCM_SYSERROR; |
eefae538 | 1037 | return scm_addr_vector (addr, FUNC_NAME); |
0f2d19dd | 1038 | } |
1bbd0b84 | 1039 | #undef FUNC_NAME |
0f2d19dd | 1040 | |
a1ec6916 | 1041 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1042 | (SCM sock), |
eefae538 | 1043 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1044 | "is connected to, in the same form as the object returned by\n" |
1045 | "@code{accept}. On many systems the address of a socket in the\n" | |
1046 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1047 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1048 | { |
370312ae | 1049 | int fd; |
439006bf GH |
1050 | int addr_size = MAX_ADDR_SIZE; |
1051 | char max_addr[MAX_ADDR_SIZE]; | |
1052 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1053 | ||
78446828 | 1054 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1055 | SCM_VALIDATE_OPFPORT (1,sock); |
ee149d03 | 1056 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1057 | if (getpeername (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1058 | SCM_SYSERROR; |
eefae538 | 1059 | return scm_addr_vector (addr, FUNC_NAME); |
0f2d19dd | 1060 | } |
1bbd0b84 | 1061 | #undef FUNC_NAME |
0f2d19dd | 1062 | |
a1ec6916 | 1063 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1064 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1065 | "Receive data from a socket port.\n" |
1066 | "@var{sock} must already\n" | |
b380b885 MD |
1067 | "be bound to the address from which data is to be received.\n" |
1068 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1069 | "the data will be written. The size of @var{buf} limits\n" |
1070 | "the amount of\n" | |
b380b885 | 1071 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1072 | "protocols, if a packet larger than this limit is encountered\n" |
1073 | "then some data\n" | |
b380b885 MD |
1074 | "will be irrevocably lost.\n\n" |
1075 | "The optional @var{flags} argument is a value or\n" | |
1076 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1077 | "The value returned is the number of bytes read from the\n" |
1078 | "socket.\n\n" | |
1079 | "Note that the data is read directly from the socket file\n" | |
1080 | "descriptor:\n" | |
09831f94 | 1081 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1082 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1083 | { |
370312ae GH |
1084 | int rv; |
1085 | int fd; | |
1086 | int flg; | |
370312ae | 1087 | |
3b3b36dd GB |
1088 | SCM_VALIDATE_OPFPORT (1,sock); |
1089 | SCM_VALIDATE_STRING (2,buf); | |
1090 | SCM_VALIDATE_INUM_DEF_COPY (3,flags,0,flg); | |
ee149d03 | 1091 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1092 | |
bfa974f0 | 1093 | SCM_SYSCALL (rv = recv (fd, SCM_STRING_CHARS (buf), SCM_STRING_LENGTH (buf), flg)); |
370312ae | 1094 | if (rv == -1) |
1bbd0b84 | 1095 | SCM_SYSERROR; |
370312ae | 1096 | |
1146b6cd | 1097 | return SCM_MAKINUM (rv); |
370312ae | 1098 | } |
1bbd0b84 | 1099 | #undef FUNC_NAME |
370312ae | 1100 | |
a1ec6916 | 1101 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1102 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1103 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1104 | "@var{sock} must already be bound to a destination address. The\n" | |
1105 | "value returned is the number of bytes transmitted --\n" | |
1106 | "it's possible for\n" | |
1107 | "this to be less than the length of @var{message}\n" | |
1108 | "if the socket is\n" | |
1109 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1110 | "is a value or\n" | |
b380b885 | 1111 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1112 | "Note that the data is written directly to the socket\n" |
1113 | "file descriptor:\n" | |
b380b885 | 1114 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1115 | #define FUNC_NAME s_scm_send |
370312ae GH |
1116 | { |
1117 | int rv; | |
1118 | int fd; | |
1119 | int flg; | |
1120 | ||
78446828 | 1121 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1122 | SCM_VALIDATE_OPFPORT (1,sock); |
a6d9e5ab | 1123 | SCM_VALIDATE_STRING (2, message); |
3b3b36dd | 1124 | SCM_VALIDATE_INUM_DEF_COPY (3,flags,0,flg); |
ee149d03 | 1125 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1126 | |
34f0f2b8 | 1127 | SCM_SYSCALL (rv = send (fd, SCM_STRING_CHARS (message), SCM_STRING_LENGTH (message), flg)); |
370312ae | 1128 | if (rv == -1) |
1bbd0b84 | 1129 | SCM_SYSERROR; |
370312ae GH |
1130 | return SCM_MAKINUM (rv); |
1131 | } | |
1bbd0b84 | 1132 | #undef FUNC_NAME |
370312ae | 1133 | |
a1ec6916 | 1134 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1135 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
eefae538 | 1136 | "Return data from the socket port @var{sock} and also\n" |
1e6808ea | 1137 | "information about where the data was received from.\n" |
eefae538 | 1138 | "@var{sock} must already be bound to the address from which\n" |
1e6808ea MG |
1139 | "data is to be received. @code{str}, is a string into which the\n" |
1140 | "data will be written. The size of @var{str} limits the amount\n" | |
1141 | "of data which can be received: in the case of packet protocols,\n" | |
1142 | "if a packet larger than this limit is encountered then some\n" | |
eefae538 | 1143 | "data will be irrevocably lost.\n\n" |
1e6808ea | 1144 | "The optional @var{flags} argument is a value or bitwise OR of\n" |
eefae538 | 1145 | "@code{MSG_OOB}, @code{MSG_PEEK}, @code{MSG_DONTROUTE} etc.\n\n" |
1e6808ea MG |
1146 | "The value returned is a pair: the @emph{car} is the number of\n" |
1147 | "bytes read from the socket and the @emph{cdr} an address object\n" | |
eefae538 GH |
1148 | "in the same form as returned by @code{accept}. The address\n" |
1149 | "will given as @code{#f} if not available, as is usually the\n" | |
1150 | "case for stream sockets.\n\n" | |
1e6808ea | 1151 | "The @var{start} and @var{end} arguments specify a substring of\n" |
eefae538 | 1152 | "@var{str} to which the data should be written.\n\n" |
1e6808ea MG |
1153 | "Note that the data is read directly from the socket file\n" |
1154 | "descriptor: any unread buffered port data is ignored.") | |
1bbd0b84 | 1155 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1156 | { |
1157 | int rv; | |
1158 | int fd; | |
1159 | int flg; | |
60d02d09 GH |
1160 | char *buf; |
1161 | int offset; | |
1146b6cd | 1162 | int cend; |
370312ae | 1163 | SCM address; |
439006bf GH |
1164 | int addr_size = MAX_ADDR_SIZE; |
1165 | char max_addr[MAX_ADDR_SIZE]; | |
1166 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1167 | |
3b3b36dd | 1168 | SCM_VALIDATE_OPFPORT (1,sock); |
60d02d09 GH |
1169 | fd = SCM_FPORT_FDES (sock); |
1170 | SCM_VALIDATE_SUBSTRING_SPEC_COPY (2, str, buf, 4, start, offset, | |
1171 | 5, end, cend); | |
1146b6cd GH |
1172 | if (SCM_UNBNDP (flags)) |
1173 | flg = 0; | |
370312ae | 1174 | else |
60d02d09 | 1175 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1176 | |
97d0e20b GH |
1177 | /* recvfrom will not necessarily return an address. usually nothing |
1178 | is returned for stream sockets. */ | |
439006bf | 1179 | addr->sa_family = AF_UNSPEC; |
60d02d09 | 1180 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1181 | cend - offset, flg, |
439006bf | 1182 | addr, &addr_size)); |
370312ae | 1183 | if (rv == -1) |
1bbd0b84 | 1184 | SCM_SYSERROR; |
eefae538 | 1185 | if (addr->sa_family != AF_UNSPEC) |
439006bf | 1186 | address = scm_addr_vector (addr, FUNC_NAME); |
370312ae GH |
1187 | else |
1188 | address = SCM_BOOL_F; | |
1189 | ||
1146b6cd | 1190 | return scm_cons (SCM_MAKINUM (rv), address); |
0f2d19dd | 1191 | } |
1bbd0b84 | 1192 | #undef FUNC_NAME |
0f2d19dd | 1193 | |
a1ec6916 | 1194 | SCM_DEFINE (scm_sendto, "sendto", 4, 0, 1, |
1bbd0b84 | 1195 | (SCM sock, SCM message, SCM fam, SCM address, SCM args_and_flags), |
eefae538 GH |
1196 | "Transmit the string @var{message} on the socket port\n" |
1197 | "@var{sock}. The\n" | |
1198 | "destination address is specified using the @var{fam},\n" | |
1199 | "@var{address} and\n" | |
1200 | "@var{args_and_flags} arguments, in a similar way to the\n" | |
1201 | "@code{connect} procedure. @var{args_and_flags} contains\n" | |
1202 | "the usual connection arguments optionally followed by\n" | |
1203 | "a flags argument, which is a value or\n" | |
b380b885 | 1204 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1205 | "The value returned is the number of bytes transmitted --\n" |
1206 | "it's possible for\n" | |
1207 | "this to be less than the length of @var{message} if the\n" | |
1208 | "socket is\n" | |
1209 | "set to be non-blocking.\n" | |
1210 | "Note that the data is written directly to the socket\n" | |
1211 | "file descriptor:\n" | |
b380b885 | 1212 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1213 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1214 | { |
1215 | int rv; | |
1216 | int fd; | |
1217 | int flg; | |
1218 | struct sockaddr *soka; | |
439006bf | 1219 | int size; |
370312ae | 1220 | |
78446828 | 1221 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1222 | SCM_VALIDATE_FPORT (1,sock); |
a6d9e5ab | 1223 | SCM_VALIDATE_STRING (2, message); |
3b3b36dd | 1224 | SCM_VALIDATE_INUM (3,fam); |
ee149d03 | 1225 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1226 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args_and_flags, 4, |
1bbd0b84 | 1227 | FUNC_NAME, &size); |
370312ae GH |
1228 | if (SCM_NULLP (args_and_flags)) |
1229 | flg = 0; | |
1230 | else | |
1231 | { | |
3b3b36dd | 1232 | SCM_VALIDATE_CONS (5,args_and_flags); |
e4b265d8 | 1233 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1234 | } |
439006bf GH |
1235 | SCM_SYSCALL (rv = sendto (fd, SCM_STRING_CHARS (message), |
1236 | SCM_STRING_LENGTH (message), | |
ae2fa5bc | 1237 | flg, soka, size)); |
370312ae | 1238 | if (rv == -1) |
439006bf GH |
1239 | { |
1240 | int save_errno = errno; | |
1241 | free (soka); | |
1242 | errno = save_errno; | |
1243 | SCM_SYSERROR; | |
1244 | } | |
1245 | free (soka); | |
370312ae GH |
1246 | return SCM_MAKINUM (rv); |
1247 | } | |
1bbd0b84 | 1248 | #undef FUNC_NAME |
370312ae GH |
1249 | \f |
1250 | ||
1251 | ||
1252 | void | |
0f2d19dd | 1253 | scm_init_socket () |
0f2d19dd | 1254 | { |
370312ae GH |
1255 | /* protocol families. */ |
1256 | #ifdef AF_UNSPEC | |
1257 | scm_sysintern ("AF_UNSPEC", SCM_MAKINUM (AF_UNSPEC)); | |
1258 | #endif | |
1259 | #ifdef AF_UNIX | |
1260 | scm_sysintern ("AF_UNIX", SCM_MAKINUM (AF_UNIX)); | |
1261 | #endif | |
1262 | #ifdef AF_INET | |
1263 | scm_sysintern ("AF_INET", SCM_MAKINUM (AF_INET)); | |
1264 | #endif | |
3453619b GH |
1265 | #ifdef AF_INET6 |
1266 | scm_sysintern ("AF_INET6", SCM_MAKINUM (AF_INET6)); | |
1267 | #endif | |
370312ae GH |
1268 | |
1269 | #ifdef PF_UNSPEC | |
1270 | scm_sysintern ("PF_UNSPEC", SCM_MAKINUM (PF_UNSPEC)); | |
1271 | #endif | |
1272 | #ifdef PF_UNIX | |
1273 | scm_sysintern ("PF_UNIX", SCM_MAKINUM (PF_UNIX)); | |
1274 | #endif | |
1275 | #ifdef PF_INET | |
1276 | scm_sysintern ("PF_INET", SCM_MAKINUM (PF_INET)); | |
1277 | #endif | |
3453619b GH |
1278 | #ifdef PF_INET6 |
1279 | scm_sysintern ("PF_INET6", SCM_MAKINUM (PF_INET6)); | |
1280 | #endif | |
370312ae | 1281 | |
66c73b76 GH |
1282 | /* standard addresses. */ |
1283 | #ifdef INADDR_ANY | |
1284 | scm_sysintern ("INADDR_ANY", scm_ulong2num (INADDR_ANY)); | |
1285 | #endif | |
1286 | #ifdef INADDR_BROADCAST | |
1287 | scm_sysintern ("INADDR_BROADCAST", scm_ulong2num (INADDR_BROADCAST)); | |
1288 | #endif | |
1289 | #ifdef INADDR_NONE | |
1290 | scm_sysintern ("INADDR_NONE", scm_ulong2num (INADDR_NONE)); | |
1291 | #endif | |
1292 | #ifdef INADDR_LOOPBACK | |
1293 | scm_sysintern ("INADDR_LOOPBACK", scm_ulong2num (INADDR_LOOPBACK)); | |
1294 | #endif | |
1295 | ||
370312ae GH |
1296 | /* socket types. */ |
1297 | #ifdef SOCK_STREAM | |
1298 | scm_sysintern ("SOCK_STREAM", SCM_MAKINUM (SOCK_STREAM)); | |
1299 | #endif | |
1300 | #ifdef SOCK_DGRAM | |
1301 | scm_sysintern ("SOCK_DGRAM", SCM_MAKINUM (SOCK_DGRAM)); | |
1302 | #endif | |
1303 | #ifdef SOCK_RAW | |
1304 | scm_sysintern ("SOCK_RAW", SCM_MAKINUM (SOCK_RAW)); | |
1305 | #endif | |
1306 | ||
1307 | /* setsockopt level. */ | |
1308 | #ifdef SOL_SOCKET | |
1309 | scm_sysintern ("SOL_SOCKET", SCM_MAKINUM (SOL_SOCKET)); | |
1310 | #endif | |
1311 | #ifdef SOL_IP | |
1312 | scm_sysintern ("SOL_IP", SCM_MAKINUM (SOL_IP)); | |
1313 | #endif | |
1314 | #ifdef SOL_TCP | |
1315 | scm_sysintern ("SOL_TCP", SCM_MAKINUM (SOL_TCP)); | |
1316 | #endif | |
1317 | #ifdef SOL_UDP | |
1318 | scm_sysintern ("SOL_UDP", SCM_MAKINUM (SOL_UDP)); | |
1319 | #endif | |
1320 | ||
1321 | /* setsockopt names. */ | |
1322 | #ifdef SO_DEBUG | |
1323 | scm_sysintern ("SO_DEBUG", SCM_MAKINUM (SO_DEBUG)); | |
1324 | #endif | |
1325 | #ifdef SO_REUSEADDR | |
1326 | scm_sysintern ("SO_REUSEADDR", SCM_MAKINUM (SO_REUSEADDR)); | |
1327 | #endif | |
1328 | #ifdef SO_STYLE | |
1329 | scm_sysintern ("SO_STYLE", SCM_MAKINUM (SO_STYLE)); | |
1330 | #endif | |
1331 | #ifdef SO_TYPE | |
1332 | scm_sysintern ("SO_TYPE", SCM_MAKINUM (SO_TYPE)); | |
1333 | #endif | |
1334 | #ifdef SO_ERROR | |
1335 | scm_sysintern ("SO_ERROR", SCM_MAKINUM (SO_ERROR)); | |
1336 | #endif | |
1337 | #ifdef SO_DONTROUTE | |
1338 | scm_sysintern ("SO_DONTROUTE", SCM_MAKINUM (SO_DONTROUTE)); | |
1339 | #endif | |
1340 | #ifdef SO_BROADCAST | |
1341 | scm_sysintern ("SO_BROADCAST", SCM_MAKINUM (SO_BROADCAST)); | |
1342 | #endif | |
1343 | #ifdef SO_SNDBUF | |
1344 | scm_sysintern ("SO_SNDBUF", SCM_MAKINUM (SO_SNDBUF)); | |
1345 | #endif | |
1346 | #ifdef SO_RCVBUF | |
1347 | scm_sysintern ("SO_RCVBUF", SCM_MAKINUM (SO_RCVBUF)); | |
1348 | #endif | |
1349 | #ifdef SO_KEEPALIVE | |
1350 | scm_sysintern ("SO_KEEPALIVE", SCM_MAKINUM (SO_KEEPALIVE)); | |
1351 | #endif | |
1352 | #ifdef SO_OOBINLINE | |
1353 | scm_sysintern ("SO_OOBINLINE", SCM_MAKINUM (SO_OOBINLINE)); | |
1354 | #endif | |
1355 | #ifdef SO_NO_CHECK | |
1356 | scm_sysintern ("SO_NO_CHECK", SCM_MAKINUM (SO_NO_CHECK)); | |
1357 | #endif | |
1358 | #ifdef SO_PRIORITY | |
1359 | scm_sysintern ("SO_PRIORITY", SCM_MAKINUM (SO_PRIORITY)); | |
1360 | #endif | |
1361 | #ifdef SO_LINGER | |
1362 | scm_sysintern ("SO_LINGER", SCM_MAKINUM (SO_LINGER)); | |
1363 | #endif | |
1364 | ||
1365 | /* recv/send options. */ | |
1366 | #ifdef MSG_OOB | |
1367 | scm_sysintern ("MSG_OOB", SCM_MAKINUM (MSG_OOB)); | |
1368 | #endif | |
1369 | #ifdef MSG_PEEK | |
1370 | scm_sysintern ("MSG_PEEK", SCM_MAKINUM (MSG_PEEK)); | |
1371 | #endif | |
1372 | #ifdef MSG_DONTROUTE | |
1373 | scm_sysintern ("MSG_DONTROUTE", SCM_MAKINUM (MSG_DONTROUTE)); | |
1374 | #endif | |
1375 | ||
0f2d19dd | 1376 | scm_add_feature ("socket"); |
370312ae | 1377 | |
8dc9439f | 1378 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 1379 | #include "libguile/socket.x" |
8dc9439f | 1380 | #endif |
0f2d19dd JB |
1381 | } |
1382 | ||
89e00824 ML |
1383 | |
1384 | /* | |
1385 | Local Variables: | |
1386 | c-file-style: "gnu" | |
1387 | End: | |
1388 | */ |