Commit | Line | Data |
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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 | ||
00120130 GH |
79 | #if !defined (HAVE_UINT32_T) |
80 | #if SIZEOF_INT == 4 | |
81 | typedef unsigned int uint32_t; | |
82 | #elif SIZEOF_LONG == 4 | |
83 | typedef unsigned long uint32_t; | |
84 | #else | |
85 | #error can not define uint32_t | |
86 | #endif | |
87 | #endif | |
88 | ||
439006bf GH |
89 | /* we are not currently using socklen_t. it's not defined on all systems, |
90 | so would need to be checked by configure. in the meantime, plain | |
91 | int is the best alternative. */ | |
92 | ||
0f2d19dd JB |
93 | \f |
94 | ||
a1ec6916 | 95 | SCM_DEFINE (scm_htons, "htons", 1, 0, 0, |
eefae538 GH |
96 | (SCM value), |
97 | "Convert a 16 bit quantity from host to network byte ordering.\n" | |
98 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
99 | "and returned as a new integer.") | |
1bbd0b84 | 100 | #define FUNC_NAME s_scm_htons |
5c11cc9d GH |
101 | { |
102 | unsigned short c_in; | |
103 | ||
eefae538 GH |
104 | SCM_VALIDATE_INUM_COPY (1, value, c_in); |
105 | if (c_in != SCM_INUM (value)) | |
106 | SCM_OUT_OF_RANGE (1, value); | |
5c11cc9d GH |
107 | |
108 | return SCM_MAKINUM (htons (c_in)); | |
109 | } | |
1bbd0b84 | 110 | #undef FUNC_NAME |
5c11cc9d | 111 | |
a1ec6916 | 112 | SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0, |
eefae538 GH |
113 | (SCM value), |
114 | "Convert a 16 bit quantity from network to host byte ordering.\n" | |
115 | "@var{value} is packed into 2 bytes, which are then converted\n" | |
116 | "and returned as a new integer.") | |
1bbd0b84 | 117 | #define FUNC_NAME s_scm_ntohs |
5c11cc9d GH |
118 | { |
119 | unsigned short c_in; | |
120 | ||
eefae538 GH |
121 | SCM_VALIDATE_INUM_COPY (1, value, c_in); |
122 | if (c_in != SCM_INUM (value)) | |
123 | SCM_OUT_OF_RANGE (1, value); | |
5c11cc9d GH |
124 | |
125 | return SCM_MAKINUM (ntohs (c_in)); | |
126 | } | |
1bbd0b84 | 127 | #undef FUNC_NAME |
5c11cc9d | 128 | |
a1ec6916 | 129 | SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0, |
eefae538 GH |
130 | (SCM value), |
131 | "Convert a 32 bit quantity from host to network 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_htonl |
5c11cc9d | 135 | { |
eefae538 | 136 | uint32_t c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 137 | |
5c11cc9d GH |
138 | return scm_ulong2num (htonl (c_in)); |
139 | } | |
1bbd0b84 | 140 | #undef FUNC_NAME |
5c11cc9d | 141 | |
a1ec6916 | 142 | SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0, |
eefae538 GH |
143 | (SCM value), |
144 | "Convert a 32 bit quantity from network to host byte ordering.\n" | |
145 | "@var{value} is packed into 4 bytes, which are then converted\n" | |
146 | "and returned as a new integer.") | |
1bbd0b84 | 147 | #define FUNC_NAME s_scm_ntohl |
5c11cc9d | 148 | { |
eefae538 | 149 | uint32_t c_in = SCM_NUM2ULONG (1, value); |
66c73b76 | 150 | |
5c11cc9d GH |
151 | return scm_ulong2num (ntohl (c_in)); |
152 | } | |
1bbd0b84 | 153 | #undef FUNC_NAME |
5c11cc9d | 154 | |
66c73b76 GH |
155 | #ifndef HAVE_INET_ATON |
156 | /* for our definition in inet_aton.c, not usually needed. */ | |
157 | extern int inet_aton (); | |
158 | #endif | |
159 | ||
160 | SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0, | |
161 | (SCM address), | |
eefae538 GH |
162 | "Convert an IPv4 Internet address from printable string\n" |
163 | "(dotted decimal notation) to an integer. E.g.,\n\n" | |
66c73b76 GH |
164 | "@lisp\n" |
165 | "(inet-aton \"127.0.0.1\") @result{} 2130706433\n" | |
166 | "@end lisp") | |
167 | #define FUNC_NAME s_scm_inet_aton | |
168 | { | |
169 | struct in_addr soka; | |
170 | ||
171 | SCM_VALIDATE_STRING (1, address); | |
172 | SCM_STRING_COERCE_0TERMINATION_X (address); | |
173 | if (inet_aton (SCM_STRING_CHARS (address), &soka) == 0) | |
174 | SCM_MISC_ERROR ("bad address", SCM_EOL); | |
175 | return scm_ulong2num (ntohl (soka.s_addr)); | |
176 | } | |
177 | #undef FUNC_NAME | |
178 | ||
179 | ||
180 | SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0, | |
181 | (SCM inetid), | |
eefae538 GH |
182 | "Convert an IPv4 Internet address to a printable\n" |
183 | "(dotted decimal notation) string. E.g.,\n\n" | |
66c73b76 GH |
184 | "@lisp\n" |
185 | "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n" | |
186 | "@end lisp") | |
187 | #define FUNC_NAME s_scm_inet_ntoa | |
188 | { | |
189 | struct in_addr addr; | |
190 | char *s; | |
191 | SCM answer; | |
192 | addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid)); | |
193 | s = inet_ntoa (addr); | |
194 | answer = scm_makfromstr (s, strlen (s), 0); | |
195 | return answer; | |
196 | } | |
197 | #undef FUNC_NAME | |
198 | ||
199 | #ifdef HAVE_INET_NETOF | |
200 | SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0, | |
201 | (SCM address), | |
eefae538 GH |
202 | "Return the network number part of the given IPv4\n" |
203 | "Internet address. E.g.,\n\n" | |
66c73b76 GH |
204 | "@lisp\n" |
205 | "(inet-netof 2130706433) @result{} 127\n" | |
206 | "@end lisp") | |
207 | #define FUNC_NAME s_scm_inet_netof | |
208 | { | |
209 | struct in_addr addr; | |
210 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
211 | return scm_ulong2num ((unsigned long) inet_netof (addr)); | |
212 | } | |
213 | #undef FUNC_NAME | |
214 | #endif | |
215 | ||
216 | #ifdef HAVE_INET_LNAOF | |
217 | SCM_DEFINE (scm_lnaof, "inet-lnaof", 1, 0, 0, | |
218 | (SCM address), | |
219 | "Return the local-address-with-network part of the given\n" | |
eefae538 GH |
220 | "IPv4 Internet address, using the obsolete class A/B/C system.\n" |
221 | "E.g.,\n\n" | |
66c73b76 GH |
222 | "@lisp\n" |
223 | "(inet-lnaof 2130706433) @result{} 1\n" | |
224 | "@end lisp") | |
225 | #define FUNC_NAME s_scm_lnaof | |
226 | { | |
227 | struct in_addr addr; | |
228 | addr.s_addr = htonl (SCM_NUM2ULONG (1, address)); | |
229 | return scm_ulong2num ((unsigned long) inet_lnaof (addr)); | |
230 | } | |
231 | #undef FUNC_NAME | |
232 | #endif | |
233 | ||
234 | #ifdef HAVE_INET_MAKEADDR | |
235 | SCM_DEFINE (scm_inet_makeaddr, "inet-makeaddr", 2, 0, 0, | |
236 | (SCM net, SCM lna), | |
eefae538 | 237 | "Make an IPv4 Internet address by combining the network number\n" |
66c73b76 | 238 | "@var{net} with the local-address-within-network number\n" |
eefae538 | 239 | "@var{lna}. E.g.,\n\n" |
66c73b76 GH |
240 | "@lisp\n" |
241 | "(inet-makeaddr 127 1) @result{} 2130706433\n" | |
242 | "@end lisp") | |
243 | #define FUNC_NAME s_scm_inet_makeaddr | |
244 | { | |
245 | struct in_addr addr; | |
246 | unsigned long netnum; | |
247 | unsigned long lnanum; | |
248 | ||
249 | netnum = SCM_NUM2ULONG (1, net); | |
250 | lnanum = SCM_NUM2ULONG (2, lna); | |
251 | addr = inet_makeaddr (netnum, lnanum); | |
252 | return scm_ulong2num (ntohl (addr.s_addr)); | |
253 | } | |
254 | #undef FUNC_NAME | |
255 | #endif | |
256 | ||
a57a0b1e | 257 | #ifdef HAVE_IPV6 |
eefae538 | 258 | |
66c73b76 GH |
259 | /* flip a 128 bit IPv6 address between host and network order. */ |
260 | #ifdef WORDS_BIGENDIAN | |
261 | #define FLIP_NET_HOST_128(addr) | |
262 | #else | |
263 | #define FLIP_NET_HOST_128(addr)\ | |
264 | {\ | |
265 | int i;\ | |
266 | \ | |
267 | for (i = 0; i < 8; i++)\ | |
268 | {\ | |
269 | char c = (addr)[i];\ | |
270 | \ | |
271 | (addr)[i] = (addr)[15 - i];\ | |
272 | (addr)[15 - i] = c;\ | |
273 | }\ | |
274 | } | |
275 | #endif | |
276 | ||
277 | /* convert a 128 bit IPv6 address in network order to a host ordered | |
278 | SCM integer. */ | |
279 | static SCM ipv6_net_to_num (const char *src) | |
280 | { | |
281 | int big_digits = 128 / SCM_BITSPERDIG; | |
282 | const int bytes_per_dig = SCM_BITSPERDIG / 8; | |
283 | char addr[16]; | |
284 | char *ptr = addr; | |
285 | SCM result; | |
286 | ||
287 | memcpy (addr, src, 16); | |
288 | /* get rid of leading zeros. */ | |
289 | while (big_digits > 0) | |
290 | { | |
291 | long test = 0; | |
292 | ||
293 | memcpy (&test, ptr, bytes_per_dig); | |
294 | if (test != 0) | |
295 | break; | |
296 | ptr += bytes_per_dig; | |
297 | big_digits--; | |
298 | } | |
299 | FLIP_NET_HOST_128 (addr); | |
300 | if (big_digits * bytes_per_dig <= sizeof (unsigned long)) | |
301 | { | |
302 | /* this is just so that we use INUM where possible. */ | |
303 | unsigned long l_addr; | |
304 | ||
305 | memcpy (&l_addr, addr, sizeof (unsigned long)); | |
306 | result = scm_ulong2num (l_addr); | |
307 | } | |
308 | else | |
309 | { | |
1be6b49c | 310 | result = scm_i_mkbig (big_digits, 0); |
66c73b76 GH |
311 | memcpy (SCM_BDIGITS (result), addr, big_digits * bytes_per_dig); |
312 | } | |
313 | return result; | |
314 | } | |
315 | ||
316 | /* convert a host ordered SCM integer to a 128 bit IPv6 address in | |
317 | network order. */ | |
318 | static void ipv6_num_to_net (SCM src, char *dst) | |
319 | { | |
320 | if (SCM_INUMP (src)) | |
321 | { | |
322 | uint32_t addr = htonl (SCM_INUM (src)); | |
323 | ||
324 | memset (dst, 0, 12); | |
325 | memcpy (dst + 12, &addr, 4); | |
326 | } | |
327 | else | |
328 | { | |
329 | memset (dst, 0, 16); | |
330 | memcpy (dst, SCM_BDIGITS (src), | |
331 | SCM_NUMDIGS (src) * (SCM_BITSPERDIG / 8)); | |
332 | FLIP_NET_HOST_128 (dst); | |
333 | } | |
334 | } | |
335 | ||
336 | /* check that an SCM variable contains an IPv6 integer address. */ | |
337 | #define VALIDATE_INET6(which_arg, address)\ | |
338 | if (SCM_INUMP (address))\ | |
339 | SCM_ASSERT_RANGE (which_arg, address, SCM_INUM (address) >= 0);\ | |
340 | else\ | |
341 | {\ | |
342 | SCM_VALIDATE_BIGINT (which_arg, address);\ | |
343 | SCM_ASSERT_RANGE (which_arg, address,\ | |
344 | !SCM_BIGSIGN (address)\ | |
345 | && (SCM_BITSPERDIG\ | |
346 | * SCM_NUMDIGS (address) <= 128));\ | |
347 | } | |
348 | ||
349 | #ifdef HAVE_INET_PTON | |
350 | SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0, | |
351 | (SCM family, SCM address), | |
eefae538 GH |
352 | "Convert a string containing a printable network address to\n" |
353 | "an integer address. Note that unlike the C version of this\n" | |
354 | "function,\n" | |
66c73b76 | 355 | "the result is an integer with normal host byte ordering.\n" |
eefae538 | 356 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 GH |
357 | "@lisp\n" |
358 | "(inet-pton AF_INET "127.0.0.1") @result{} 2130706433\n" | |
359 | "(inet-pton AF_INET6 "::1") @result{} 1\n" | |
360 | "@end lisp") | |
361 | #define FUNC_NAME s_scm_inet_pton | |
362 | { | |
363 | int af; | |
364 | char *src; | |
365 | char dst[16]; | |
366 | int rv; | |
367 | ||
368 | SCM_VALIDATE_INUM_COPY (1, family, af); | |
369 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); | |
370 | SCM_VALIDATE_STRING_COPY (2, address, src); | |
371 | rv = inet_pton (af, src, dst); | |
372 | if (rv == -1) | |
373 | SCM_SYSERROR; | |
374 | else if (rv == 0) | |
375 | SCM_MISC_ERROR ("Bad address", SCM_EOL); | |
376 | if (af == AF_INET) | |
377 | return scm_ulong2num (ntohl (*(uint32_t *) dst)); | |
378 | else | |
379 | return ipv6_net_to_num ((char *) dst); | |
380 | } | |
381 | #undef FUNC_NAME | |
382 | #endif | |
383 | ||
384 | #ifdef HAVE_INET_NTOP | |
385 | SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0, | |
386 | (SCM family, SCM address), | |
eefae538 | 387 | "Convert a network address into a printable string.\n" |
66c73b76 GH |
388 | "Note that unlike the C version of this function,\n" |
389 | "the input is an integer with normal host byte ordering.\n" | |
eefae538 | 390 | "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n" |
66c73b76 GH |
391 | "@lisp\n" |
392 | "(inet-ntop AF_INET 2130706433) @result{} "127.0.0.1"\n" | |
393 | "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n" | |
394 | "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n" | |
395 | "@end lisp") | |
396 | #define FUNC_NAME s_scm_inet_ntop | |
397 | { | |
398 | int af; | |
399 | #ifdef INET6_ADDRSTRLEN | |
400 | char dst[INET6_ADDRSTRLEN]; | |
401 | #else | |
402 | char dst[46]; | |
403 | #endif | |
404 | char addr6[16]; | |
405 | ||
406 | SCM_VALIDATE_INUM_COPY (1, family, af); | |
407 | SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6); | |
408 | if (af == AF_INET) | |
409 | *(uint32_t *) addr6 = htonl (SCM_NUM2ULONG (2, address)); | |
410 | else | |
411 | { | |
412 | VALIDATE_INET6 (2, address); | |
413 | ipv6_num_to_net (address, addr6); | |
414 | } | |
415 | if (inet_ntop (af, &addr6, dst, sizeof dst) == NULL) | |
416 | SCM_SYSERROR; | |
417 | return scm_makfrom0str (dst); | |
418 | } | |
419 | #undef FUNC_NAME | |
420 | #endif | |
421 | ||
a57a0b1e | 422 | #endif /* HAVE_IPV6 */ |
eefae538 | 423 | |
bc45012d | 424 | SCM_SYMBOL (sym_socket, "socket"); |
82ddea4e | 425 | |
439006bf | 426 | #define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket) |
1bbd0b84 | 427 | |
a1ec6916 | 428 | SCM_DEFINE (scm_socket, "socket", 3, 0, 0, |
1bbd0b84 | 429 | (SCM family, SCM style, SCM proto), |
1e6808ea | 430 | "Return a new socket port of the type specified by @var{family},\n" |
eefae538 | 431 | "@var{style} and @var{proto}. All three parameters are\n" |
3453619b GH |
432 | "integers. Supported values for @var{family} are\n" |
433 | "@code{AF_UNIX}, @code{AF_INET} and @code{AF_INET6}.\n" | |
434 | "Typical values for @var{style} are @code{SOCK_STREAM},\n" | |
eefae538 GH |
435 | "@code{SOCK_DGRAM} and @code{SOCK_RAW}.\n\n" |
436 | "@var{proto} can be obtained from a protocol name using\n" | |
1e6808ea | 437 | "@code{getprotobyname}. A value of zero specifies the default\n" |
eefae538 | 438 | "protocol, which is usually right.\n\n" |
1e6808ea MG |
439 | "A single socket port cannot by used for communication until it\n" |
440 | "has been connected to another socket.") | |
1bbd0b84 | 441 | #define FUNC_NAME s_scm_socket |
0f2d19dd | 442 | { |
370312ae | 443 | int fd; |
370312ae | 444 | |
439006bf GH |
445 | SCM_VALIDATE_INUM (1, family); |
446 | SCM_VALIDATE_INUM (2, style); | |
447 | SCM_VALIDATE_INUM (3, proto); | |
370312ae | 448 | fd = socket (SCM_INUM (family), SCM_INUM (style), SCM_INUM (proto)); |
439006bf GH |
449 | if (fd == -1) |
450 | SCM_SYSERROR; | |
451 | return SCM_SOCK_FD_TO_PORT (fd); | |
0f2d19dd | 452 | } |
1bbd0b84 | 453 | #undef FUNC_NAME |
0f2d19dd | 454 | |
0e958795 | 455 | #ifdef HAVE_SOCKETPAIR |
a1ec6916 | 456 | SCM_DEFINE (scm_socketpair, "socketpair", 3, 0, 0, |
1bbd0b84 | 457 | (SCM family, SCM style, SCM proto), |
1e6808ea | 458 | "Return a pair of connected (but unnamed) socket ports of the\n" |
eefae538 | 459 | "type specified by @var{family}, @var{style} and @var{proto}.\n" |
1e6808ea MG |
460 | "Many systems support only socket pairs of the @code{AF_UNIX}\n" |
461 | "family. Zero is likely to be the only meaningful value for\n" | |
eefae538 | 462 | "@var{proto}.") |
1bbd0b84 | 463 | #define FUNC_NAME s_scm_socketpair |
0f2d19dd | 464 | { |
370312ae GH |
465 | int fam; |
466 | int fd[2]; | |
370312ae | 467 | |
3b3b36dd GB |
468 | SCM_VALIDATE_INUM (1,family); |
469 | SCM_VALIDATE_INUM (2,style); | |
470 | SCM_VALIDATE_INUM (3,proto); | |
370312ae GH |
471 | |
472 | fam = SCM_INUM (family); | |
473 | ||
370312ae | 474 | if (socketpair (fam, SCM_INUM (style), SCM_INUM (proto), fd) == -1) |
1bbd0b84 | 475 | SCM_SYSERROR; |
370312ae | 476 | |
439006bf | 477 | return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1])); |
0f2d19dd | 478 | } |
1bbd0b84 | 479 | #undef FUNC_NAME |
0e958795 | 480 | #endif |
0f2d19dd | 481 | |
a1ec6916 | 482 | SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0, |
1bbd0b84 | 483 | (SCM sock, SCM level, SCM optname), |
1e6808ea | 484 | "Return the value of a particular socket option for the socket\n" |
eefae538 | 485 | "port @var{sock}. @var{level} is an integer code for type of\n" |
1e6808ea MG |
486 | "option being requested, e.g., @code{SOL_SOCKET} for\n" |
487 | "socket-level options. @var{optname} is an integer code for the\n" | |
488 | "option required and should be specified using one of the\n" | |
eefae538 | 489 | "symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n\n" |
1e6808ea MG |
490 | "The returned value is typically an integer but @code{SO_LINGER}\n" |
491 | "returns a pair of integers.") | |
1bbd0b84 | 492 | #define FUNC_NAME s_scm_getsockopt |
0f2d19dd | 493 | { |
370312ae | 494 | int fd; |
439006bf | 495 | /* size of optval is the largest supported option. */ |
370312ae GH |
496 | #ifdef HAVE_STRUCT_LINGER |
497 | char optval[sizeof (struct linger)]; | |
439006bf | 498 | int optlen = sizeof (struct linger); |
370312ae | 499 | #else |
1be6b49c ML |
500 | char optval[sizeof (size_t)]; |
501 | int optlen = sizeof (size_t); | |
370312ae GH |
502 | #endif |
503 | int ilevel; | |
504 | int ioptname; | |
0f2d19dd | 505 | |
78446828 | 506 | sock = SCM_COERCE_OUTPORT (sock); |
2cf6d014 MD |
507 | SCM_VALIDATE_OPFPORT (1, sock); |
508 | SCM_VALIDATE_INUM_COPY (2, level, ilevel); | |
509 | SCM_VALIDATE_INUM_COPY (3, optname, ioptname); | |
0f2d19dd | 510 | |
ee149d03 | 511 | fd = SCM_FPORT_FDES (sock); |
370312ae | 512 | if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1) |
1bbd0b84 | 513 | SCM_SYSERROR; |
1cc91f1b | 514 | |
439006bf | 515 | if (ilevel == SOL_SOCKET) |
0f2d19dd | 516 | { |
439006bf GH |
517 | #ifdef SO_LINGER |
518 | if (ioptname == SO_LINGER) | |
519 | { | |
370312ae | 520 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
521 | struct linger *ling = (struct linger *) optval; |
522 | ||
523 | return scm_cons (scm_long2num (ling->l_onoff), | |
524 | scm_long2num (ling->l_linger)); | |
370312ae | 525 | #else |
439006bf GH |
526 | return scm_cons (scm_long2num (*(int *) optval) |
527 | SCM_MAKINUM (0)); | |
0f2d19dd | 528 | #endif |
439006bf GH |
529 | } |
530 | else | |
370312ae | 531 | #endif |
439006bf | 532 | if (0 |
370312ae | 533 | #ifdef SO_SNDBUF |
439006bf | 534 | || ioptname == SO_SNDBUF |
370312ae GH |
535 | #endif |
536 | #ifdef SO_RCVBUF | |
439006bf | 537 | || ioptname == SO_RCVBUF |
370312ae | 538 | #endif |
439006bf GH |
539 | ) |
540 | { | |
1be6b49c | 541 | return scm_long2num (*(size_t *) optval); |
439006bf GH |
542 | } |
543 | } | |
544 | return scm_long2num (*(int *) optval); | |
0f2d19dd | 545 | } |
1bbd0b84 | 546 | #undef FUNC_NAME |
0f2d19dd | 547 | |
a1ec6916 | 548 | SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0, |
1bbd0b84 | 549 | (SCM sock, SCM level, SCM optname, SCM value), |
eefae538 GH |
550 | "Set the value of a particular socket option for the socket\n" |
551 | "port @var{sock}. @var{level} is an integer code for type of option\n" | |
b380b885 MD |
552 | "being set, e.g., @code{SOL_SOCKET} for socket-level options.\n" |
553 | "@var{optname} is an\n" | |
554 | "integer code for the option to set and should be specified using one of\n" | |
555 | "the symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n" | |
556 | "@var{value} is the value to which the option should be set. For\n" | |
557 | "most options this must be an integer, but for @code{SO_LINGER} it must\n" | |
558 | "be a pair.\n\n" | |
559 | "The return value is unspecified.") | |
1bbd0b84 | 560 | #define FUNC_NAME s_scm_setsockopt |
0f2d19dd | 561 | { |
370312ae | 562 | int fd; |
439006bf GH |
563 | int optlen = -1; |
564 | /* size of optval is the largest supported option. */ | |
370312ae | 565 | #ifdef HAVE_STRUCT_LINGER |
439006bf | 566 | char optval[sizeof (struct linger)]; |
370312ae | 567 | #else |
1be6b49c | 568 | char optval[sizeof (size_t)]; |
370312ae GH |
569 | #endif |
570 | int ilevel, ioptname; | |
439006bf | 571 | |
78446828 | 572 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
573 | |
574 | SCM_VALIDATE_OPFPORT (1, sock); | |
575 | SCM_VALIDATE_INUM_COPY (2, level, ilevel); | |
576 | SCM_VALIDATE_INUM_COPY (3, optname, ioptname); | |
577 | ||
ee149d03 | 578 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
579 | |
580 | if (ilevel == SOL_SOCKET) | |
370312ae | 581 | { |
439006bf GH |
582 | #ifdef SO_LINGER |
583 | if (ioptname == SO_LINGER) | |
584 | { | |
370312ae | 585 | #ifdef HAVE_STRUCT_LINGER |
439006bf GH |
586 | struct linger ling; |
587 | long lv; | |
588 | ||
589 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
590 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
591 | ling.l_onoff = (int) lv; | |
592 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_onoff == lv); | |
593 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
594 | ling.l_linger = (int) lv; | |
595 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_linger == lv); | |
596 | optlen = (int) sizeof (struct linger); | |
597 | memcpy (optval, (void *) &ling, optlen); | |
370312ae | 598 | #else |
439006bf GH |
599 | int ling; |
600 | long lv; | |
601 | ||
602 | SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME); | |
603 | /* timeout is ignored, but may as well validate it. */ | |
604 | lv = SCM_NUM2LONG (4, SCM_CDR (value)); | |
605 | ling = (int) lv; | |
606 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
607 | lv = SCM_NUM2LONG (4, SCM_CAR (value)); | |
608 | ling = (int) lv; | |
609 | SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv); | |
610 | optlen = (int) sizeof (int); | |
611 | (*(int *) optval) = ling; | |
612 | #endif | |
613 | } | |
614 | else | |
615 | #endif | |
616 | if (0 | |
370312ae | 617 | #ifdef SO_SNDBUF |
439006bf | 618 | || ioptname == SO_SNDBUF |
370312ae GH |
619 | #endif |
620 | #ifdef SO_RCVBUF | |
439006bf | 621 | || ioptname == SO_RCVBUF |
370312ae | 622 | #endif |
439006bf GH |
623 | ) |
624 | { | |
625 | long lv = SCM_NUM2LONG (4, value); | |
626 | ||
1be6b49c ML |
627 | optlen = (int) sizeof (size_t); |
628 | (*(size_t *) optval) = (size_t) lv; | |
439006bf GH |
629 | } |
630 | } | |
631 | if (optlen == -1) | |
0f2d19dd | 632 | { |
439006bf GH |
633 | /* Most options take an int. */ |
634 | long lv = SCM_NUM2LONG (4, value); | |
635 | int val = (int) lv; | |
636 | ||
637 | SCM_ASSERT_RANGE (SCM_ARG4, value, val == lv); | |
370312ae | 638 | optlen = (int) sizeof (int); |
439006bf | 639 | (*(int *) optval) = val; |
0f2d19dd | 640 | } |
370312ae | 641 | if (setsockopt (fd, ilevel, ioptname, (void *) optval, optlen) == -1) |
1bbd0b84 | 642 | SCM_SYSERROR; |
370312ae | 643 | return SCM_UNSPECIFIED; |
0f2d19dd | 644 | } |
1bbd0b84 | 645 | #undef FUNC_NAME |
0f2d19dd | 646 | |
a1ec6916 | 647 | SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0, |
1bbd0b84 | 648 | (SCM sock, SCM how), |
b380b885 MD |
649 | "Sockets can be closed simply by using @code{close-port}. The\n" |
650 | "@code{shutdown} procedure allows reception or tranmission on a\n" | |
651 | "connection to be shut down individually, according to the parameter\n" | |
652 | "@var{how}:\n\n" | |
653 | "@table @asis\n" | |
654 | "@item 0\n" | |
655 | "Stop receiving data for this socket. If further data arrives, reject it.\n" | |
656 | "@item 1\n" | |
657 | "Stop trying to transmit data from this socket. Discard any\n" | |
658 | "data waiting to be sent. Stop looking for acknowledgement of\n" | |
659 | "data already sent; don't retransmit it if it is lost.\n" | |
660 | "@item 2\n" | |
661 | "Stop both reception and transmission.\n" | |
662 | "@end table\n\n" | |
663 | "The return value is unspecified.") | |
1bbd0b84 | 664 | #define FUNC_NAME s_scm_shutdown |
0f2d19dd | 665 | { |
370312ae | 666 | int fd; |
78446828 | 667 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
668 | SCM_VALIDATE_OPFPORT (1,sock); |
669 | SCM_VALIDATE_INUM (2,how); | |
1bbd0b84 | 670 | SCM_ASSERT_RANGE(2,how,0 <= SCM_INUM (how) && 2 >= SCM_INUM (how)); |
ee149d03 | 671 | fd = SCM_FPORT_FDES (sock); |
370312ae | 672 | if (shutdown (fd, SCM_INUM (how)) == -1) |
1bbd0b84 | 673 | SCM_SYSERROR; |
370312ae GH |
674 | return SCM_UNSPECIFIED; |
675 | } | |
1bbd0b84 | 676 | #undef FUNC_NAME |
0f2d19dd | 677 | |
370312ae GH |
678 | /* convert fam/address/args into a sockaddr of the appropriate type. |
679 | args is modified by removing the arguments actually used. | |
680 | which_arg and proc are used when reporting errors: | |
681 | which_arg is the position of address in the original argument list. | |
682 | proc is the name of the original procedure. | |
683 | size returns the size of the structure allocated. */ | |
684 | ||
370312ae | 685 | static struct sockaddr * |
439006bf GH |
686 | scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg, |
687 | const char *proc, int *size) | |
3453619b | 688 | #define FUNC_NAME proc |
370312ae GH |
689 | { |
690 | switch (fam) | |
0f2d19dd | 691 | { |
370312ae GH |
692 | case AF_INET: |
693 | { | |
370312ae | 694 | struct sockaddr_in *soka; |
3453619b GH |
695 | unsigned long addr; |
696 | int port; | |
370312ae | 697 | |
3453619b GH |
698 | SCM_VALIDATE_ULONG_COPY (which_arg, address, addr); |
699 | SCM_VALIDATE_CONS (which_arg + 1, *args); | |
700 | SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port); | |
701 | *args = SCM_CDR (*args); | |
439006bf GH |
702 | soka = (struct sockaddr_in *) malloc (sizeof (struct sockaddr_in)); |
703 | if (!soka) | |
704 | scm_memory_error (proc); | |
3453619b GH |
705 | /* 4.4BSD-style interface includes sin_len member and defines SIN_LEN, |
706 | 4.3BSD does not. */ | |
707 | #ifdef SIN_LEN | |
708 | soka->sin_len = sizeof (struct sockaddr_in); | |
709 | #endif | |
370312ae | 710 | soka->sin_family = AF_INET; |
3453619b GH |
711 | soka->sin_addr.s_addr = htonl (addr); |
712 | soka->sin_port = htons (port); | |
370312ae GH |
713 | *size = sizeof (struct sockaddr_in); |
714 | return (struct sockaddr *) soka; | |
715 | } | |
a57a0b1e | 716 | #ifdef HAVE_IPV6 |
3453619b GH |
717 | case AF_INET6: |
718 | { | |
719 | /* see RFC2553. */ | |
720 | int port; | |
721 | struct sockaddr_in6 *soka; | |
722 | unsigned long flowinfo = 0; | |
723 | unsigned long scope_id = 0; | |
724 | ||
66c73b76 | 725 | VALIDATE_INET6 (which_arg, address); |
3453619b GH |
726 | SCM_VALIDATE_CONS (which_arg + 1, *args); |
727 | SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port); | |
728 | *args = SCM_CDR (*args); | |
729 | if (SCM_CONSP (*args)) | |
730 | { | |
731 | SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo); | |
732 | *args = SCM_CDR (*args); | |
733 | if (SCM_CONSP (*args)) | |
734 | { | |
735 | SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args), | |
736 | scope_id); | |
737 | *args = SCM_CDR (*args); | |
738 | } | |
739 | } | |
740 | soka = (struct sockaddr_in6 *) malloc (sizeof (struct sockaddr_in6)); | |
741 | if (!soka) | |
742 | scm_memory_error (proc); | |
743 | #ifdef SIN_LEN6 | |
744 | soka->sin6_len = sizeof (struct sockaddr_in6); | |
745 | #endif | |
746 | soka->sin6_family = AF_INET6; | |
66c73b76 | 747 | ipv6_num_to_net (address, soka->sin6_addr.s6_addr); |
5a525b84 | 748 | soka->sin6_port = htons (port); |
3453619b | 749 | soka->sin6_flowinfo = flowinfo; |
5a525b84 | 750 | #ifdef HAVE_SIN6_SCOPE_ID |
3453619b | 751 | soka->sin6_scope_id = scope_id; |
5a525b84 | 752 | #endif |
3453619b GH |
753 | *size = sizeof (struct sockaddr_in6); |
754 | return (struct sockaddr *) soka; | |
755 | } | |
756 | #endif | |
1ba8c23a | 757 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS |
370312ae GH |
758 | case AF_UNIX: |
759 | { | |
760 | struct sockaddr_un *soka; | |
439006bf | 761 | int addr_size; |
370312ae | 762 | |
a6d9e5ab | 763 | SCM_ASSERT (SCM_STRINGP (address), address, which_arg, proc); |
439006bf GH |
764 | /* the static buffer size in sockaddr_un seems to be arbitrary |
765 | and not necessarily a hard limit. e.g., the glibc manual | |
766 | suggests it may be possible to declare it size 0. let's | |
767 | ignore it. if the O/S doesn't like the size it will cause | |
768 | connect/bind etc., to fail. sun_path is always the last | |
769 | member of the structure. */ | |
770 | addr_size = sizeof (struct sockaddr_un) | |
771 | + max (0, SCM_STRING_LENGTH (address) + 1 - (sizeof soka->sun_path)); | |
772 | soka = (struct sockaddr_un *) malloc (addr_size); | |
773 | if (!soka) | |
774 | scm_memory_error (proc); | |
775 | memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */ | |
776 | soka->sun_family = AF_UNIX; | |
34f0f2b8 | 777 | memcpy (soka->sun_path, SCM_STRING_CHARS (address), |
439006bf GH |
778 | SCM_STRING_LENGTH (address)); |
779 | *size = SUN_LEN (soka); | |
370312ae GH |
780 | return (struct sockaddr *) soka; |
781 | } | |
0e958795 | 782 | #endif |
370312ae GH |
783 | default: |
784 | scm_out_of_range (proc, SCM_MAKINUM (fam)); | |
0f2d19dd | 785 | } |
0f2d19dd | 786 | } |
3453619b | 787 | #undef FUNC_NAME |
370312ae | 788 | |
a1ec6916 | 789 | SCM_DEFINE (scm_connect, "connect", 3, 0, 1, |
1bbd0b84 | 790 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 791 | "Initiate a connection from a socket using a specified address\n" |
3453619b GH |
792 | "family to the address\n" |
793 | "specified by @var{address} and possibly @var{args}.\n" | |
794 | "The format required for @var{address}\n" | |
795 | "and @var{args} depends on the family of the socket.\n\n" | |
b380b885 | 796 | "For a socket of family @code{AF_UNIX},\n" |
3453619b | 797 | "only @var{address} is specified and must be a string with the\n" |
b380b885 MD |
798 | "filename where the socket is to be created.\n\n" |
799 | "For a socket of family @code{AF_INET},\n" | |
3453619b GH |
800 | "@var{address} must be an integer IPv4 host address and\n" |
801 | "@var{args} must be a single integer port number.\n\n" | |
802 | "For a socket of family @code{AF_INET6},\n" | |
803 | "@var{address} must be an integer IPv6 host address and\n" | |
804 | "@var{args} may be up to three integers:\n" | |
805 | "port [flowinfo] [scope_id],\n" | |
806 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 807 | "The return value is unspecified.") |
1bbd0b84 | 808 | #define FUNC_NAME s_scm_connect |
0f2d19dd | 809 | { |
370312ae GH |
810 | int fd; |
811 | struct sockaddr *soka; | |
439006bf | 812 | int size; |
0f2d19dd | 813 | |
78446828 | 814 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
815 | SCM_VALIDATE_OPFPORT (1,sock); |
816 | SCM_VALIDATE_INUM (2,fam); | |
ee149d03 | 817 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
818 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, |
819 | &size); | |
370312ae | 820 | if (connect (fd, soka, size) == -1) |
439006bf GH |
821 | { |
822 | int save_errno = errno; | |
823 | ||
824 | free (soka); | |
825 | errno = save_errno; | |
826 | SCM_SYSERROR; | |
827 | } | |
828 | free (soka); | |
370312ae | 829 | return SCM_UNSPECIFIED; |
0f2d19dd | 830 | } |
1bbd0b84 | 831 | #undef FUNC_NAME |
0f2d19dd | 832 | |
a1ec6916 | 833 | SCM_DEFINE (scm_bind, "bind", 3, 0, 1, |
1bbd0b84 | 834 | (SCM sock, SCM fam, SCM address, SCM args), |
eefae538 | 835 | "Assign an address to the socket port @var{sock}.\n" |
b380b885 MD |
836 | "Generally this only needs to be done for server sockets,\n" |
837 | "so they know where to look for incoming connections. A socket\n" | |
838 | "without an address will be assigned one automatically when it\n" | |
839 | "starts communicating.\n\n" | |
eefae538 GH |
840 | "The format of @var{address} and @var{args} depends\n" |
841 | "on the family of the socket.\n\n" | |
b380b885 | 842 | "For a socket of family @code{AF_UNIX}, only @var{address}\n" |
eefae538 GH |
843 | "is specified and must be a string with the filename where\n" |
844 | "the socket is to be created.\n\n" | |
845 | "For a socket of family @code{AF_INET}, @var{address}\n" | |
846 | "must be an integer IPv4 address and @var{args}\n" | |
847 | "must be a single integer port number.\n\n" | |
848 | "The values of the following variables can also be used for\n" | |
849 | "@var{address}:\n\n" | |
b380b885 MD |
850 | "@defvar INADDR_ANY\n" |
851 | "Allow connections from any address.\n" | |
852 | "@end defvar\n\n" | |
853 | "@defvar INADDR_LOOPBACK\n" | |
854 | "The address of the local host using the loopback device.\n" | |
855 | "@end defvar\n\n" | |
856 | "@defvar INADDR_BROADCAST\n" | |
857 | "The broadcast address on the local network.\n" | |
858 | "@end defvar\n\n" | |
859 | "@defvar INADDR_NONE\n" | |
860 | "No address.\n" | |
861 | "@end defvar\n\n" | |
eefae538 GH |
862 | "For a socket of family @code{AF_INET6}, @var{address}\n" |
863 | "must be an integer IPv6 address and @var{args}\n" | |
864 | "may be up to three integers:\n" | |
865 | "port [flowinfo] [scope_id],\n" | |
866 | "where flowinfo and scope_id default to zero.\n\n" | |
b380b885 | 867 | "The return value is unspecified.") |
1bbd0b84 | 868 | #define FUNC_NAME s_scm_bind |
370312ae | 869 | { |
370312ae | 870 | struct sockaddr *soka; |
439006bf | 871 | int size; |
370312ae GH |
872 | int fd; |
873 | ||
78446828 | 874 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf GH |
875 | SCM_VALIDATE_OPFPORT (1, sock); |
876 | SCM_VALIDATE_INUM (2, fam); | |
877 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, | |
878 | &size); | |
ee149d03 | 879 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
880 | if (bind (fd, soka, size) == -1) |
881 | { | |
882 | int save_errno = errno; | |
883 | ||
884 | free (soka); | |
885 | errno = save_errno; | |
1bbd0b84 | 886 | SCM_SYSERROR; |
439006bf GH |
887 | } |
888 | free (soka); | |
370312ae GH |
889 | return SCM_UNSPECIFIED; |
890 | } | |
1bbd0b84 | 891 | #undef FUNC_NAME |
370312ae | 892 | |
a1ec6916 | 893 | SCM_DEFINE (scm_listen, "listen", 2, 0, 0, |
1bbd0b84 | 894 | (SCM sock, SCM backlog), |
eefae538 | 895 | "Enable @var{sock} to accept connection\n" |
b380b885 MD |
896 | "requests. @var{backlog} is an integer specifying\n" |
897 | "the maximum length of the queue for pending connections.\n" | |
eefae538 GH |
898 | "If the queue fills, new clients will fail to connect until\n" |
899 | "the server calls @code{accept} to accept a connection from\n" | |
900 | "the queue.\n\n" | |
b380b885 | 901 | "The return value is unspecified.") |
1bbd0b84 | 902 | #define FUNC_NAME s_scm_listen |
370312ae GH |
903 | { |
904 | int fd; | |
78446828 | 905 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd GB |
906 | SCM_VALIDATE_OPFPORT (1,sock); |
907 | SCM_VALIDATE_INUM (2,backlog); | |
ee149d03 | 908 | fd = SCM_FPORT_FDES (sock); |
370312ae | 909 | if (listen (fd, SCM_INUM (backlog)) == -1) |
1bbd0b84 | 910 | SCM_SYSERROR; |
370312ae GH |
911 | return SCM_UNSPECIFIED; |
912 | } | |
1bbd0b84 | 913 | #undef FUNC_NAME |
370312ae GH |
914 | |
915 | /* Put the components of a sockaddr into a new SCM vector. */ | |
370312ae | 916 | static SCM |
e1368a8d | 917 | scm_addr_vector (const struct sockaddr *address, const char *proc) |
0f2d19dd | 918 | { |
370312ae GH |
919 | short int fam = address->sa_family; |
920 | SCM result; | |
921 | SCM *ve; | |
439006bf | 922 | |
5a525b84 | 923 | switch (fam) |
0f2d19dd | 924 | { |
5a525b84 GH |
925 | case AF_INET: |
926 | { | |
e1368a8d | 927 | const struct sockaddr_in *nad = (struct sockaddr_in *) address; |
439006bf | 928 | |
5a525b84 GH |
929 | result = scm_c_make_vector (3, SCM_UNSPECIFIED); |
930 | ve = SCM_VELTS (result); | |
931 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
932 | ve[1] = scm_ulong2num (ntohl (nad->sin_addr.s_addr)); | |
933 | ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin_port)); | |
934 | } | |
935 | break; | |
a57a0b1e | 936 | #ifdef HAVE_IPV6 |
5a525b84 GH |
937 | case AF_INET6: |
938 | { | |
e1368a8d | 939 | const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address; |
5a525b84 GH |
940 | |
941 | result = scm_c_make_vector (5, SCM_UNSPECIFIED); | |
942 | ve = SCM_VELTS (result); | |
943 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
66c73b76 | 944 | ve[1] = ipv6_net_to_num (nad->sin6_addr.s6_addr); |
5a525b84 GH |
945 | ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin6_port)); |
946 | ve[3] = scm_ulong2num ((unsigned long) nad->sin6_flowinfo); | |
947 | #ifdef HAVE_SIN6_SCOPE_ID | |
948 | ve[4] = scm_ulong2num ((unsigned long) nad->sin6_scope_id); | |
949 | #else | |
950 | ve[4] = SCM_INUM0; | |
0e958795 | 951 | #endif |
5a525b84 GH |
952 | } |
953 | break; | |
954 | #endif | |
955 | #ifdef HAVE_UNIX_DOMAIN_SOCKETS | |
956 | case AF_UNIX: | |
957 | { | |
e1368a8d | 958 | const struct sockaddr_un *nad = (struct sockaddr_un *) address; |
439006bf | 959 | |
5a525b84 GH |
960 | result = scm_c_make_vector (2, SCM_UNSPECIFIED); |
961 | ve = SCM_VELTS (result); | |
962 | ve[0] = scm_ulong2num ((unsigned long) fam); | |
963 | ve[1] = scm_makfromstr (nad->sun_path, | |
1be6b49c | 964 | (size_t) strlen (nad->sun_path), 0); |
5a525b84 GH |
965 | } |
966 | break; | |
967 | #endif | |
968 | default: | |
969 | scm_misc_error (proc, "Unrecognised address family: ~A", | |
970 | SCM_LIST1 (SCM_MAKINUM (fam))); | |
0f2d19dd | 971 | } |
370312ae GH |
972 | return result; |
973 | } | |
974 | ||
439006bf GH |
975 | /* calculate the size of a buffer large enough to hold any supported |
976 | sockaddr type. if the buffer isn't large enough, certain system | |
977 | calls will return a truncated address. */ | |
370312ae | 978 | |
439006bf GH |
979 | #if defined (HAVE_UNIX_DOMAIN_SOCKETS) |
980 | #define MAX_SIZE_UN sizeof (struct sockaddr_un) | |
0e958795 | 981 | #else |
439006bf | 982 | #define MAX_SIZE_UN 0 |
0e958795 | 983 | #endif |
439006bf | 984 | |
a57a0b1e | 985 | #if defined (HAVE_IPV6) |
5a525b84 GH |
986 | #define MAX_SIZE_IN6 sizeof (struct sockaddr_in6) |
987 | #else | |
988 | #define MAX_SIZE_IN6 0 | |
989 | #endif | |
990 | ||
991 | #define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\ | |
992 | MAX_SIZE_UN) | |
0f2d19dd | 993 | |
a1ec6916 | 994 | SCM_DEFINE (scm_accept, "accept", 1, 0, 0, |
1bbd0b84 | 995 | (SCM sock), |
eefae538 GH |
996 | "Accept a connection on a bound, listening socket.\n" |
997 | "If there\n" | |
998 | "are no pending connections in the queue, wait until\n" | |
999 | "one is available unless the non-blocking option has been\n" | |
1000 | "set on the socket.\n\n" | |
b380b885 | 1001 | "The return value is a\n" |
eefae538 GH |
1002 | "pair in which the @emph{car} is a new socket port for the\n" |
1003 | "connection and\n" | |
1004 | "the @emph{cdr} is an object with address information about the\n" | |
1005 | "client which initiated the connection.\n\n" | |
1006 | "@var{sock} does not become part of the\n" | |
b380b885 | 1007 | "connection and will continue to accept new requests.") |
1bbd0b84 | 1008 | #define FUNC_NAME s_scm_accept |
0f2d19dd | 1009 | { |
370312ae GH |
1010 | int fd; |
1011 | int newfd; | |
1012 | SCM address; | |
1013 | SCM newsock; | |
439006bf GH |
1014 | int addr_size = MAX_ADDR_SIZE; |
1015 | char max_addr[MAX_ADDR_SIZE]; | |
1016 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1017 | |
78446828 | 1018 | sock = SCM_COERCE_OUTPORT (sock); |
439006bf | 1019 | SCM_VALIDATE_OPFPORT (1, sock); |
ee149d03 | 1020 | fd = SCM_FPORT_FDES (sock); |
439006bf GH |
1021 | newfd = accept (fd, addr, &addr_size); |
1022 | if (newfd == -1) | |
1023 | SCM_SYSERROR; | |
1024 | newsock = SCM_SOCK_FD_TO_PORT (newfd); | |
eefae538 | 1025 | address = scm_addr_vector (addr, FUNC_NAME); |
370312ae | 1026 | return scm_cons (newsock, address); |
0f2d19dd | 1027 | } |
1bbd0b84 | 1028 | #undef FUNC_NAME |
0f2d19dd | 1029 | |
a1ec6916 | 1030 | SCM_DEFINE (scm_getsockname, "getsockname", 1, 0, 0, |
1bbd0b84 | 1031 | (SCM sock), |
eefae538 | 1032 | "Return the address of @var{sock}, in the same form as the\n" |
1e6808ea MG |
1033 | "object returned by @code{accept}. On many systems the address\n" |
1034 | "of a socket in the @code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1035 | #define FUNC_NAME s_scm_getsockname |
0f2d19dd | 1036 | { |
370312ae | 1037 | int fd; |
439006bf GH |
1038 | int addr_size = MAX_ADDR_SIZE; |
1039 | char max_addr[MAX_ADDR_SIZE]; | |
1040 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1041 | ||
78446828 | 1042 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1043 | SCM_VALIDATE_OPFPORT (1,sock); |
ee149d03 | 1044 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1045 | if (getsockname (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1046 | SCM_SYSERROR; |
eefae538 | 1047 | return scm_addr_vector (addr, FUNC_NAME); |
0f2d19dd | 1048 | } |
1bbd0b84 | 1049 | #undef FUNC_NAME |
0f2d19dd | 1050 | |
a1ec6916 | 1051 | SCM_DEFINE (scm_getpeername, "getpeername", 1, 0, 0, |
1bbd0b84 | 1052 | (SCM sock), |
eefae538 | 1053 | "Return the address that @var{sock}\n" |
1e6808ea MG |
1054 | "is connected to, in the same form as the object returned by\n" |
1055 | "@code{accept}. On many systems the address of a socket in the\n" | |
1056 | "@code{AF_FILE} namespace cannot be read.") | |
1bbd0b84 | 1057 | #define FUNC_NAME s_scm_getpeername |
0f2d19dd | 1058 | { |
370312ae | 1059 | int fd; |
439006bf GH |
1060 | int addr_size = MAX_ADDR_SIZE; |
1061 | char max_addr[MAX_ADDR_SIZE]; | |
1062 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
1063 | ||
78446828 | 1064 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1065 | SCM_VALIDATE_OPFPORT (1,sock); |
ee149d03 | 1066 | fd = SCM_FPORT_FDES (sock); |
439006bf | 1067 | if (getpeername (fd, addr, &addr_size) == -1) |
1bbd0b84 | 1068 | SCM_SYSERROR; |
eefae538 | 1069 | return scm_addr_vector (addr, FUNC_NAME); |
0f2d19dd | 1070 | } |
1bbd0b84 | 1071 | #undef FUNC_NAME |
0f2d19dd | 1072 | |
a1ec6916 | 1073 | SCM_DEFINE (scm_recv, "recv!", 2, 1, 0, |
1bbd0b84 | 1074 | (SCM sock, SCM buf, SCM flags), |
eefae538 GH |
1075 | "Receive data from a socket port.\n" |
1076 | "@var{sock} must already\n" | |
b380b885 MD |
1077 | "be bound to the address from which data is to be received.\n" |
1078 | "@var{buf} is a string into which\n" | |
eefae538 GH |
1079 | "the data will be written. The size of @var{buf} limits\n" |
1080 | "the amount of\n" | |
b380b885 | 1081 | "data which can be received: in the case of packet\n" |
eefae538 GH |
1082 | "protocols, if a packet larger than this limit is encountered\n" |
1083 | "then some data\n" | |
b380b885 MD |
1084 | "will be irrevocably lost.\n\n" |
1085 | "The optional @var{flags} argument is a value or\n" | |
1086 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" | |
eefae538 GH |
1087 | "The value returned is the number of bytes read from the\n" |
1088 | "socket.\n\n" | |
1089 | "Note that the data is read directly from the socket file\n" | |
1090 | "descriptor:\n" | |
09831f94 | 1091 | "any unread buffered port data is ignored.") |
1bbd0b84 | 1092 | #define FUNC_NAME s_scm_recv |
0f2d19dd | 1093 | { |
370312ae GH |
1094 | int rv; |
1095 | int fd; | |
1096 | int flg; | |
370312ae | 1097 | |
3b3b36dd GB |
1098 | SCM_VALIDATE_OPFPORT (1,sock); |
1099 | SCM_VALIDATE_STRING (2,buf); | |
1100 | SCM_VALIDATE_INUM_DEF_COPY (3,flags,0,flg); | |
ee149d03 | 1101 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1102 | |
bfa974f0 | 1103 | SCM_SYSCALL (rv = recv (fd, SCM_STRING_CHARS (buf), SCM_STRING_LENGTH (buf), flg)); |
370312ae | 1104 | if (rv == -1) |
1bbd0b84 | 1105 | SCM_SYSERROR; |
370312ae | 1106 | |
1146b6cd | 1107 | return SCM_MAKINUM (rv); |
370312ae | 1108 | } |
1bbd0b84 | 1109 | #undef FUNC_NAME |
370312ae | 1110 | |
a1ec6916 | 1111 | SCM_DEFINE (scm_send, "send", 2, 1, 0, |
1bbd0b84 | 1112 | (SCM sock, SCM message, SCM flags), |
eefae538 GH |
1113 | "Transmit the string @var{message} on a socket port @var{sock}.\n" |
1114 | "@var{sock} must already be bound to a destination address. The\n" | |
1115 | "value returned is the number of bytes transmitted --\n" | |
1116 | "it's possible for\n" | |
1117 | "this to be less than the length of @var{message}\n" | |
1118 | "if the socket is\n" | |
1119 | "set to be non-blocking. The optional @var{flags} argument\n" | |
1120 | "is a value or\n" | |
b380b885 | 1121 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1122 | "Note that the data is written directly to the socket\n" |
1123 | "file descriptor:\n" | |
b380b885 | 1124 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1125 | #define FUNC_NAME s_scm_send |
370312ae GH |
1126 | { |
1127 | int rv; | |
1128 | int fd; | |
1129 | int flg; | |
1130 | ||
78446828 | 1131 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1132 | SCM_VALIDATE_OPFPORT (1,sock); |
a6d9e5ab | 1133 | SCM_VALIDATE_STRING (2, message); |
3b3b36dd | 1134 | SCM_VALIDATE_INUM_DEF_COPY (3,flags,0,flg); |
ee149d03 | 1135 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1136 | |
34f0f2b8 | 1137 | SCM_SYSCALL (rv = send (fd, SCM_STRING_CHARS (message), SCM_STRING_LENGTH (message), flg)); |
370312ae | 1138 | if (rv == -1) |
1bbd0b84 | 1139 | SCM_SYSERROR; |
370312ae GH |
1140 | return SCM_MAKINUM (rv); |
1141 | } | |
1bbd0b84 | 1142 | #undef FUNC_NAME |
370312ae | 1143 | |
a1ec6916 | 1144 | SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0, |
60d02d09 | 1145 | (SCM sock, SCM str, SCM flags, SCM start, SCM end), |
eefae538 | 1146 | "Return data from the socket port @var{sock} and also\n" |
1e6808ea | 1147 | "information about where the data was received from.\n" |
eefae538 | 1148 | "@var{sock} must already be bound to the address from which\n" |
1e6808ea MG |
1149 | "data is to be received. @code{str}, is a string into which the\n" |
1150 | "data will be written. The size of @var{str} limits the amount\n" | |
1151 | "of data which can be received: in the case of packet protocols,\n" | |
1152 | "if a packet larger than this limit is encountered then some\n" | |
eefae538 | 1153 | "data will be irrevocably lost.\n\n" |
1e6808ea | 1154 | "The optional @var{flags} argument is a value or bitwise OR of\n" |
eefae538 | 1155 | "@code{MSG_OOB}, @code{MSG_PEEK}, @code{MSG_DONTROUTE} etc.\n\n" |
1e6808ea MG |
1156 | "The value returned is a pair: the @emph{car} is the number of\n" |
1157 | "bytes read from the socket and the @emph{cdr} an address object\n" | |
eefae538 GH |
1158 | "in the same form as returned by @code{accept}. The address\n" |
1159 | "will given as @code{#f} if not available, as is usually the\n" | |
1160 | "case for stream sockets.\n\n" | |
1e6808ea | 1161 | "The @var{start} and @var{end} arguments specify a substring of\n" |
eefae538 | 1162 | "@var{str} to which the data should be written.\n\n" |
1e6808ea MG |
1163 | "Note that the data is read directly from the socket file\n" |
1164 | "descriptor: any unread buffered port data is ignored.") | |
1bbd0b84 | 1165 | #define FUNC_NAME s_scm_recvfrom |
370312ae GH |
1166 | { |
1167 | int rv; | |
1168 | int fd; | |
1169 | int flg; | |
60d02d09 GH |
1170 | char *buf; |
1171 | int offset; | |
1146b6cd | 1172 | int cend; |
370312ae | 1173 | SCM address; |
439006bf GH |
1174 | int addr_size = MAX_ADDR_SIZE; |
1175 | char max_addr[MAX_ADDR_SIZE]; | |
1176 | struct sockaddr *addr = (struct sockaddr *) max_addr; | |
370312ae | 1177 | |
3b3b36dd | 1178 | SCM_VALIDATE_OPFPORT (1,sock); |
60d02d09 GH |
1179 | fd = SCM_FPORT_FDES (sock); |
1180 | SCM_VALIDATE_SUBSTRING_SPEC_COPY (2, str, buf, 4, start, offset, | |
1181 | 5, end, cend); | |
1146b6cd GH |
1182 | if (SCM_UNBNDP (flags)) |
1183 | flg = 0; | |
370312ae | 1184 | else |
60d02d09 | 1185 | SCM_VALIDATE_ULONG_COPY (3, flags, flg); |
370312ae | 1186 | |
97d0e20b GH |
1187 | /* recvfrom will not necessarily return an address. usually nothing |
1188 | is returned for stream sockets. */ | |
439006bf | 1189 | addr->sa_family = AF_UNSPEC; |
60d02d09 | 1190 | SCM_SYSCALL (rv = recvfrom (fd, buf + offset, |
1146b6cd | 1191 | cend - offset, flg, |
439006bf | 1192 | addr, &addr_size)); |
370312ae | 1193 | if (rv == -1) |
1bbd0b84 | 1194 | SCM_SYSERROR; |
eefae538 | 1195 | if (addr->sa_family != AF_UNSPEC) |
439006bf | 1196 | address = scm_addr_vector (addr, FUNC_NAME); |
370312ae GH |
1197 | else |
1198 | address = SCM_BOOL_F; | |
1199 | ||
1146b6cd | 1200 | return scm_cons (SCM_MAKINUM (rv), address); |
0f2d19dd | 1201 | } |
1bbd0b84 | 1202 | #undef FUNC_NAME |
0f2d19dd | 1203 | |
a1ec6916 | 1204 | SCM_DEFINE (scm_sendto, "sendto", 4, 0, 1, |
1bbd0b84 | 1205 | (SCM sock, SCM message, SCM fam, SCM address, SCM args_and_flags), |
eefae538 GH |
1206 | "Transmit the string @var{message} on the socket port\n" |
1207 | "@var{sock}. The\n" | |
1208 | "destination address is specified using the @var{fam},\n" | |
1209 | "@var{address} and\n" | |
1210 | "@var{args_and_flags} arguments, in a similar way to the\n" | |
1211 | "@code{connect} procedure. @var{args_and_flags} contains\n" | |
1212 | "the usual connection arguments optionally followed by\n" | |
1213 | "a flags argument, which is a value or\n" | |
b380b885 | 1214 | "bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n" |
eefae538 GH |
1215 | "The value returned is the number of bytes transmitted --\n" |
1216 | "it's possible for\n" | |
1217 | "this to be less than the length of @var{message} if the\n" | |
1218 | "socket is\n" | |
1219 | "set to be non-blocking.\n" | |
1220 | "Note that the data is written directly to the socket\n" | |
1221 | "file descriptor:\n" | |
b380b885 | 1222 | "any unflushed buffered port data is ignored.") |
1bbd0b84 | 1223 | #define FUNC_NAME s_scm_sendto |
370312ae GH |
1224 | { |
1225 | int rv; | |
1226 | int fd; | |
1227 | int flg; | |
1228 | struct sockaddr *soka; | |
439006bf | 1229 | int size; |
370312ae | 1230 | |
78446828 | 1231 | sock = SCM_COERCE_OUTPORT (sock); |
3b3b36dd | 1232 | SCM_VALIDATE_FPORT (1,sock); |
a6d9e5ab | 1233 | SCM_VALIDATE_STRING (2, message); |
3b3b36dd | 1234 | SCM_VALIDATE_INUM (3,fam); |
ee149d03 | 1235 | fd = SCM_FPORT_FDES (sock); |
370312ae | 1236 | soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args_and_flags, 4, |
1bbd0b84 | 1237 | FUNC_NAME, &size); |
370312ae GH |
1238 | if (SCM_NULLP (args_and_flags)) |
1239 | flg = 0; | |
1240 | else | |
1241 | { | |
3b3b36dd | 1242 | SCM_VALIDATE_CONS (5,args_and_flags); |
e4b265d8 | 1243 | flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags)); |
370312ae | 1244 | } |
439006bf GH |
1245 | SCM_SYSCALL (rv = sendto (fd, SCM_STRING_CHARS (message), |
1246 | SCM_STRING_LENGTH (message), | |
ae2fa5bc | 1247 | flg, soka, size)); |
370312ae | 1248 | if (rv == -1) |
439006bf GH |
1249 | { |
1250 | int save_errno = errno; | |
1251 | free (soka); | |
1252 | errno = save_errno; | |
1253 | SCM_SYSERROR; | |
1254 | } | |
1255 | free (soka); | |
370312ae GH |
1256 | return SCM_MAKINUM (rv); |
1257 | } | |
1bbd0b84 | 1258 | #undef FUNC_NAME |
370312ae GH |
1259 | \f |
1260 | ||
1261 | ||
1262 | void | |
0f2d19dd | 1263 | scm_init_socket () |
0f2d19dd | 1264 | { |
370312ae GH |
1265 | /* protocol families. */ |
1266 | #ifdef AF_UNSPEC | |
86d31dfe | 1267 | scm_c_define ("AF_UNSPEC", SCM_MAKINUM (AF_UNSPEC)); |
370312ae GH |
1268 | #endif |
1269 | #ifdef AF_UNIX | |
86d31dfe | 1270 | scm_c_define ("AF_UNIX", SCM_MAKINUM (AF_UNIX)); |
370312ae GH |
1271 | #endif |
1272 | #ifdef AF_INET | |
86d31dfe | 1273 | scm_c_define ("AF_INET", SCM_MAKINUM (AF_INET)); |
370312ae | 1274 | #endif |
3453619b | 1275 | #ifdef AF_INET6 |
86d31dfe | 1276 | scm_c_define ("AF_INET6", SCM_MAKINUM (AF_INET6)); |
3453619b | 1277 | #endif |
370312ae GH |
1278 | |
1279 | #ifdef PF_UNSPEC | |
86d31dfe | 1280 | scm_c_define ("PF_UNSPEC", SCM_MAKINUM (PF_UNSPEC)); |
370312ae GH |
1281 | #endif |
1282 | #ifdef PF_UNIX | |
86d31dfe | 1283 | scm_c_define ("PF_UNIX", SCM_MAKINUM (PF_UNIX)); |
370312ae GH |
1284 | #endif |
1285 | #ifdef PF_INET | |
86d31dfe | 1286 | scm_c_define ("PF_INET", SCM_MAKINUM (PF_INET)); |
370312ae | 1287 | #endif |
3453619b | 1288 | #ifdef PF_INET6 |
86d31dfe | 1289 | scm_c_define ("PF_INET6", SCM_MAKINUM (PF_INET6)); |
3453619b | 1290 | #endif |
370312ae | 1291 | |
66c73b76 GH |
1292 | /* standard addresses. */ |
1293 | #ifdef INADDR_ANY | |
86d31dfe | 1294 | scm_c_define ("INADDR_ANY", scm_ulong2num (INADDR_ANY)); |
66c73b76 GH |
1295 | #endif |
1296 | #ifdef INADDR_BROADCAST | |
86d31dfe | 1297 | scm_c_define ("INADDR_BROADCAST", scm_ulong2num (INADDR_BROADCAST)); |
66c73b76 GH |
1298 | #endif |
1299 | #ifdef INADDR_NONE | |
86d31dfe | 1300 | scm_c_define ("INADDR_NONE", scm_ulong2num (INADDR_NONE)); |
66c73b76 GH |
1301 | #endif |
1302 | #ifdef INADDR_LOOPBACK | |
86d31dfe | 1303 | scm_c_define ("INADDR_LOOPBACK", scm_ulong2num (INADDR_LOOPBACK)); |
66c73b76 GH |
1304 | #endif |
1305 | ||
370312ae GH |
1306 | /* socket types. */ |
1307 | #ifdef SOCK_STREAM | |
86d31dfe | 1308 | scm_c_define ("SOCK_STREAM", SCM_MAKINUM (SOCK_STREAM)); |
370312ae GH |
1309 | #endif |
1310 | #ifdef SOCK_DGRAM | |
86d31dfe | 1311 | scm_c_define ("SOCK_DGRAM", SCM_MAKINUM (SOCK_DGRAM)); |
370312ae GH |
1312 | #endif |
1313 | #ifdef SOCK_RAW | |
86d31dfe | 1314 | scm_c_define ("SOCK_RAW", SCM_MAKINUM (SOCK_RAW)); |
370312ae GH |
1315 | #endif |
1316 | ||
1317 | /* setsockopt level. */ | |
1318 | #ifdef SOL_SOCKET | |
86d31dfe | 1319 | scm_c_define ("SOL_SOCKET", SCM_MAKINUM (SOL_SOCKET)); |
370312ae GH |
1320 | #endif |
1321 | #ifdef SOL_IP | |
86d31dfe | 1322 | scm_c_define ("SOL_IP", SCM_MAKINUM (SOL_IP)); |
370312ae GH |
1323 | #endif |
1324 | #ifdef SOL_TCP | |
86d31dfe | 1325 | scm_c_define ("SOL_TCP", SCM_MAKINUM (SOL_TCP)); |
370312ae GH |
1326 | #endif |
1327 | #ifdef SOL_UDP | |
86d31dfe | 1328 | scm_c_define ("SOL_UDP", SCM_MAKINUM (SOL_UDP)); |
370312ae GH |
1329 | #endif |
1330 | ||
1331 | /* setsockopt names. */ | |
1332 | #ifdef SO_DEBUG | |
86d31dfe | 1333 | scm_c_define ("SO_DEBUG", SCM_MAKINUM (SO_DEBUG)); |
370312ae GH |
1334 | #endif |
1335 | #ifdef SO_REUSEADDR | |
86d31dfe | 1336 | scm_c_define ("SO_REUSEADDR", SCM_MAKINUM (SO_REUSEADDR)); |
370312ae GH |
1337 | #endif |
1338 | #ifdef SO_STYLE | |
86d31dfe | 1339 | scm_c_define ("SO_STYLE", SCM_MAKINUM (SO_STYLE)); |
370312ae GH |
1340 | #endif |
1341 | #ifdef SO_TYPE | |
86d31dfe | 1342 | scm_c_define ("SO_TYPE", SCM_MAKINUM (SO_TYPE)); |
370312ae GH |
1343 | #endif |
1344 | #ifdef SO_ERROR | |
86d31dfe | 1345 | scm_c_define ("SO_ERROR", SCM_MAKINUM (SO_ERROR)); |
370312ae GH |
1346 | #endif |
1347 | #ifdef SO_DONTROUTE | |
86d31dfe | 1348 | scm_c_define ("SO_DONTROUTE", SCM_MAKINUM (SO_DONTROUTE)); |
370312ae GH |
1349 | #endif |
1350 | #ifdef SO_BROADCAST | |
86d31dfe | 1351 | scm_c_define ("SO_BROADCAST", SCM_MAKINUM (SO_BROADCAST)); |
370312ae GH |
1352 | #endif |
1353 | #ifdef SO_SNDBUF | |
86d31dfe | 1354 | scm_c_define ("SO_SNDBUF", SCM_MAKINUM (SO_SNDBUF)); |
370312ae GH |
1355 | #endif |
1356 | #ifdef SO_RCVBUF | |
86d31dfe | 1357 | scm_c_define ("SO_RCVBUF", SCM_MAKINUM (SO_RCVBUF)); |
370312ae GH |
1358 | #endif |
1359 | #ifdef SO_KEEPALIVE | |
86d31dfe | 1360 | scm_c_define ("SO_KEEPALIVE", SCM_MAKINUM (SO_KEEPALIVE)); |
370312ae GH |
1361 | #endif |
1362 | #ifdef SO_OOBINLINE | |
86d31dfe | 1363 | scm_c_define ("SO_OOBINLINE", SCM_MAKINUM (SO_OOBINLINE)); |
370312ae GH |
1364 | #endif |
1365 | #ifdef SO_NO_CHECK | |
86d31dfe | 1366 | scm_c_define ("SO_NO_CHECK", SCM_MAKINUM (SO_NO_CHECK)); |
370312ae GH |
1367 | #endif |
1368 | #ifdef SO_PRIORITY | |
86d31dfe | 1369 | scm_c_define ("SO_PRIORITY", SCM_MAKINUM (SO_PRIORITY)); |
370312ae GH |
1370 | #endif |
1371 | #ifdef SO_LINGER | |
86d31dfe | 1372 | scm_c_define ("SO_LINGER", SCM_MAKINUM (SO_LINGER)); |
370312ae GH |
1373 | #endif |
1374 | ||
1375 | /* recv/send options. */ | |
1376 | #ifdef MSG_OOB | |
86d31dfe | 1377 | scm_c_define ("MSG_OOB", SCM_MAKINUM (MSG_OOB)); |
370312ae GH |
1378 | #endif |
1379 | #ifdef MSG_PEEK | |
86d31dfe | 1380 | scm_c_define ("MSG_PEEK", SCM_MAKINUM (MSG_PEEK)); |
370312ae GH |
1381 | #endif |
1382 | #ifdef MSG_DONTROUTE | |
86d31dfe | 1383 | scm_c_define ("MSG_DONTROUTE", SCM_MAKINUM (MSG_DONTROUTE)); |
370312ae GH |
1384 | #endif |
1385 | ||
0f2d19dd | 1386 | scm_add_feature ("socket"); |
370312ae | 1387 | |
8dc9439f | 1388 | #ifndef SCM_MAGIC_SNARFER |
a0599745 | 1389 | #include "libguile/socket.x" |
8dc9439f | 1390 | #endif |
0f2d19dd JB |
1391 | } |
1392 | ||
89e00824 ML |
1393 | |
1394 | /* | |
1395 | Local Variables: | |
1396 | c-file-style: "gnu" | |
1397 | End: | |
1398 | */ |