-/* Copyright (C) 1996,1997,1998,2000,2001, 2002, 2004 Free Software Foundation, Inc.
- *
+/* Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005,
+ * 2006, 2007, 2009, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
+ *
* This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; either version 3 of
+ * the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301 USA
*/
\f
-#if HAVE_CONFIG_H
+#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
-#include <gmp.h>
-
-#include "libguile/_scm.h"
-#include "libguile/unif.h"
-#include "libguile/feature.h"
-#include "libguile/fports.h"
-#include "libguile/strings.h"
-#include "libguile/vectors.h"
-
-#include "libguile/validate.h"
-#include "libguile/socket.h"
-
-#ifdef __MINGW32__
-#include "win32-socket.h"
-#endif
+#include <verify.h>
#ifdef HAVE_STDINT_H
#include <stdint.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
#include <sys/types.h>
-#ifdef HAVE_WINSOCK2_H
-#include <winsock2.h>
-#else
#include <sys/socket.h>
#ifdef HAVE_UNIX_DOMAIN_SOCKETS
#include <sys/un.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
-#endif
-
-#if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN)
-#define SUN_LEN(ptr) ((size_t) (((struct sockaddr_un *) 0)->sun_path) \
- + strlen ((ptr)->sun_path))
-#endif
-
-/* we are not currently using socklen_t. it's not defined on all systems,
- so would need to be checked by configure. in the meantime, plain
- int is the best alternative. */
-
-\f
-SCM_DEFINE (scm_htons, "htons", 1, 0, 0,
- (SCM value),
- "Convert a 16 bit quantity from host to network byte ordering.\n"
- "@var{value} is packed into 2 bytes, which are then converted\n"
- "and returned as a new integer.")
-#define FUNC_NAME s_scm_htons
-{
- unsigned short c_in;
-
- SCM_VALIDATE_INUM_COPY (1, value, c_in);
- if (c_in != SCM_INUM (value))
- SCM_OUT_OF_RANGE (1, value);
+#include <gmp.h>
- return SCM_MAKINUM (htons (c_in));
-}
-#undef FUNC_NAME
+#include "libguile/_scm.h"
+#include "libguile/arrays.h"
+#include "libguile/feature.h"
+#include "libguile/fports.h"
+#include "libguile/strings.h"
+#include "libguile/vectors.h"
+#include "libguile/dynwind.h"
+#include "libguile/srfi-13.h"
-SCM_DEFINE (scm_ntohs, "ntohs", 1, 0, 0,
- (SCM value),
- "Convert a 16 bit quantity from network to host byte ordering.\n"
- "@var{value} is packed into 2 bytes, which are then converted\n"
- "and returned as a new integer.")
-#define FUNC_NAME s_scm_ntohs
-{
- unsigned short c_in;
+#include "libguile/validate.h"
+#include "libguile/socket.h"
- SCM_VALIDATE_INUM_COPY (1, value, c_in);
- if (c_in != SCM_INUM (value))
- SCM_OUT_OF_RANGE (1, value);
+#if SCM_ENABLE_DEPRECATED == 1
+# include "libguile/deprecation.h"
+#endif
- return SCM_MAKINUM (ntohs (c_in));
-}
-#undef FUNC_NAME
-SCM_DEFINE (scm_htonl, "htonl", 1, 0, 0,
- (SCM value),
- "Convert a 32 bit quantity from host to network byte ordering.\n"
- "@var{value} is packed into 4 bytes, which are then converted\n"
- "and returned as a new integer.")
-#define FUNC_NAME s_scm_htonl
-{
- scm_t_uint32 c_in = SCM_NUM2ULONG (1, value);
- return scm_ulong2num (htonl (c_in));
-}
-#undef FUNC_NAME
+#if defined (HAVE_UNIX_DOMAIN_SOCKETS) && !defined (SUN_LEN)
+#define SUN_LEN(ptr) (offsetof (struct sockaddr_un, sun_path) \
+ + strlen ((ptr)->sun_path))
+#endif
-SCM_DEFINE (scm_ntohl, "ntohl", 1, 0, 0,
- (SCM value),
- "Convert a 32 bit quantity from network to host byte ordering.\n"
- "@var{value} is packed into 4 bytes, which are then converted\n"
- "and returned as a new integer.")
-#define FUNC_NAME s_scm_ntohl
+/* The largest possible socket address. Wrapping it in a union guarantees
+ that the compiler will make it suitably aligned. */
+typedef union
{
- scm_t_uint32 c_in = SCM_NUM2ULONG (1, value);
-
- return scm_ulong2num (ntohl (c_in));
-}
-#undef FUNC_NAME
+ struct sockaddr sockaddr;
+ struct sockaddr_in sockaddr_in;
-#ifndef HAVE_INET_ATON
-/* for our definition in inet_aton.c, not usually needed. */
-extern int inet_aton ();
+#ifdef HAVE_UNIX_DOMAIN_SOCKETS
+ struct sockaddr_un sockaddr_un;
#endif
+#ifdef HAVE_IPV6
+ struct sockaddr_in6 sockaddr_in6;
+#endif
+} scm_t_max_sockaddr;
-SCM_DEFINE (scm_inet_aton, "inet-aton", 1, 0, 0,
- (SCM address),
- "Convert an IPv4 Internet address from printable string\n"
- "(dotted decimal notation) to an integer. E.g.,\n\n"
- "@lisp\n"
- "(inet-aton \"127.0.0.1\") @result{} 2130706433\n"
- "@end lisp")
-#define FUNC_NAME s_scm_inet_aton
-{
- struct in_addr soka;
- SCM_VALIDATE_STRING (1, address);
- if (inet_aton (SCM_STRING_CHARS (address), &soka) == 0)
- SCM_MISC_ERROR ("bad address", SCM_EOL);
- return scm_ulong2num (ntohl (soka.s_addr));
-}
-#undef FUNC_NAME
+/* Maximum size of a socket address. */
+#define MAX_ADDR_SIZE (sizeof (scm_t_max_sockaddr))
-SCM_DEFINE (scm_inet_ntoa, "inet-ntoa", 1, 0, 0,
- (SCM inetid),
- "Convert an IPv4 Internet address to a printable\n"
- "(dotted decimal notation) string. E.g.,\n\n"
- "@lisp\n"
- "(inet-ntoa 2130706433) @result{} \"127.0.0.1\"\n"
- "@end lisp")
-#define FUNC_NAME s_scm_inet_ntoa
-{
- struct in_addr addr;
- char *s;
- SCM answer;
- addr.s_addr = htonl (SCM_NUM2ULONG (1, inetid));
- s = inet_ntoa (addr);
- answer = scm_mem2string (s, strlen (s));
- return answer;
-}
-#undef FUNC_NAME
+\f
#ifdef HAVE_INET_NETOF
SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0,
{
struct in_addr addr;
addr.s_addr = htonl (SCM_NUM2ULONG (1, address));
- return scm_ulong2num ((unsigned long) inet_netof (addr));
+ return scm_from_ulong (inet_netof (addr));
}
#undef FUNC_NAME
#endif
{
struct in_addr addr;
addr.s_addr = htonl (SCM_NUM2ULONG (1, address));
- return scm_ulong2num ((unsigned long) inet_lnaof (addr));
+ return scm_from_ulong (inet_lnaof (addr));
}
#undef FUNC_NAME
#endif
netnum = SCM_NUM2ULONG (1, net);
lnanum = SCM_NUM2ULONG (2, lna);
addr = inet_makeaddr (netnum, lnanum);
- return scm_ulong2num (ntohl (addr.s_addr));
+ return scm_from_ulong (ntohl (addr.s_addr));
}
#undef FUNC_NAME
#endif
/* convert a 128 bit IPv6 address in network order to a host ordered
SCM integer. */
-static SCM ipv6_net_to_num (const scm_t_uint8 *src)
+static SCM
+scm_from_ipv6 (const scm_t_uint8 *src)
{
- int i = 0;
- const scm_t_uint8 *ptr = src;
- int num_zero_bytes = 0;
- scm_t_uint8 addr[16];
-
- /* count leading zeros (since we know it's bigendian, they'll be first) */
- while (i < 16)
- {
- if (*ptr) break;
- num_zero_bytes++;
- i++;
- }
-
- if (SCM_SIZEOF_UNSIGNED_LONG_LONG != 0) /* compiler should optimize this */
- {
- if ((16 - num_zero_bytes) <= sizeof (unsigned long long))
- {
- /* it fits */
- unsigned long long x;
-
- FLIPCPY_NET_HOST_128(addr, src);
-#ifdef WORDS_BIGENDIAN
- memcpy (&x, addr + (16 - sizeof (x)), sizeof (x));
-#else
- memcpy (&x, addr, sizeof (x));
-#endif
- return scm_ulong_long2num (x);
- }
- }
- else
- {
- if ((16 - num_zero_bytes) <= sizeof (unsigned long))
- {
- /* this is just so that we use INUM where possible. */
- unsigned long x;
-
- FLIPCPY_NET_HOST_128(addr, src);
-#ifdef WORDS_BIGENDIAN
- memcpy (&x, addr + (16 - sizeof (x)), sizeof (x));
-#else
- memcpy (&x, addr, sizeof (x));
-#endif
- return scm_ulong2num (x);
- }
- }
- /* otherwise get the big hammer */
- {
- SCM result = scm_i_mkbig ();
-
- mpz_import (SCM_I_BIG_MPZ (result),
- 1, /* chunk */
- 1, /* big-endian chunk ordering */
- 16, /* chunks are 16 bytes long */
- 1, /* big-endian byte ordering */
- 0, /* "nails" -- leading unused bits per chunk */
- src);
- return scm_i_normbig (result);
- }
-}
+ SCM result = scm_i_mkbig ();
+ mpz_import (SCM_I_BIG_MPZ (result),
+ 1, /* chunk */
+ 1, /* big-endian chunk ordering */
+ 16, /* chunks are 16 bytes long */
+ 1, /* big-endian byte ordering */
+ 0, /* "nails" -- leading unused bits per chunk */
+ src);
+ return scm_i_normbig (result);
+}
/* convert a host ordered SCM integer to a 128 bit IPv6 address in
network order. */
-static void ipv6_num_to_net (SCM src, scm_t_uint8 *dst)
+static void
+scm_to_ipv6 (scm_t_uint8 dst[16], SCM src)
{
- /* This code presumes that src has already been checked for range. */
- if (SCM_INUMP (src))
+ if (SCM_I_INUMP (src))
{
- scm_t_signed_bits n = SCM_INUM (src);
+ scm_t_signed_bits n = SCM_I_INUM (src);
+ if (n < 0)
+ scm_out_of_range (NULL, src);
#ifdef WORDS_BIGENDIAN
memset (dst, 0, 16 - sizeof (scm_t_signed_bits));
memcpy (dst + (16 - sizeof (scm_t_signed_bits)),
FLIP_NET_HOST_128 (dst);
#endif
}
- else
+ else if (SCM_BIGP (src))
{
- /* Presumes src has already been checked for fit -- see above. */
size_t count;
+
+ if ((mpz_sgn (SCM_I_BIG_MPZ (src)) < 0)
+ || mpz_sizeinbase (SCM_I_BIG_MPZ (src), 2) > 128)
+ scm_out_of_range (NULL, src);
+
memset (dst, 0, 16);
mpz_export (dst,
&count,
SCM_I_BIG_MPZ (src));
scm_remember_upto_here_1 (src);
}
+ else
+ scm_wrong_type_arg_msg ("scm_to_ipv6", 0, src, "integer");
}
-static int
-bignum_in_ipv6_range_p (SCM address)
+#endif /* HAVE_IPV6 */
+
+\f
+
+SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0,
+ (SCM family, SCM address),
+ "Convert a network address into a printable string.\n"
+ "Note that unlike the C version of this function,\n"
+ "the input is an integer with normal host byte ordering.\n"
+ "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n"
+ "@lisp\n"
+ "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n"
+ "(inet-ntop AF_INET6 (- (expt 2 128) 1))\n"
+ " @result{} \"ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\"\n"
+ "@end lisp")
+#define FUNC_NAME s_scm_inet_ntop
{
- int result;
- int sgn = mpz_sgn (SCM_I_BIG_MPZ (address));
-
- if (sgn < 0)
- result = 0;
- else
+ int af;
+#ifdef INET6_ADDRSTRLEN
+ char dst[INET6_ADDRSTRLEN];
+#else
+ char dst[46];
+#endif
+ const char *result;
+
+ af = scm_to_int (family);
+ SCM_ASSERT_RANGE (1, family,
+ af == AF_INET
+#ifdef HAVE_IPV6
+ || af == AF_INET6
+#endif
+ );
+ if (af == AF_INET)
+ {
+ scm_t_uint32 addr4;
+
+ addr4 = htonl (SCM_NUM2ULONG (2, address));
+ result = inet_ntop (af, &addr4, dst, sizeof (dst));
+ }
+#ifdef HAVE_IPV6
+ else if (af == AF_INET6)
{
- int size = mpz_sizeinbase (SCM_I_BIG_MPZ (address), 2);
- if (size > 128) result = 0;
- else result = 1;
+ char addr6[16];
+
+ scm_to_ipv6 ((scm_t_uint8 *) addr6, address);
+ result = inet_ntop (af, &addr6, dst, sizeof (dst));
}
- scm_remember_upto_here_1 (address);
- return result;
+#endif
+ else
+ SCM_MISC_ERROR ("unsupported address family", family);
+
+ if (result == NULL)
+ SCM_SYSERROR;
+
+ return scm_from_locale_string (dst);
}
+#undef FUNC_NAME
-/* check that an SCM variable contains an IPv6 integer address. */
-#define VALIDATE_INET6(which_arg, address)\
- if (SCM_INUMP (address))\
- SCM_ASSERT_RANGE (which_arg, address, SCM_INUM (address) >= 0);\
- else\
- {\
- SCM_VALIDATE_BIGINT (which_arg, address);\
- SCM_ASSERT_RANGE (which_arg, address, \
- bignum_in_ipv6_range_p (address)); \
- }
-
-#ifdef HAVE_INET_PTON
SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0,
(SCM family, SCM address),
"Convert a string containing a printable network address to\n"
{
int af;
char *src;
- char dst[16];
- int rv;
+ scm_t_uint32 dst[4];
+ int rv, eno;
- SCM_VALIDATE_INUM_COPY (1, family, af);
- SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6);
- SCM_VALIDATE_STRING_COPY (2, address, src);
+ af = scm_to_int (family);
+ SCM_ASSERT_RANGE (1, family,
+ af == AF_INET
+#ifdef HAVE_IPV6
+ || af == AF_INET6
+#endif
+ );
+
+ src = scm_to_locale_string (address);
rv = inet_pton (af, src, dst);
+ eno = errno;
+ free (src);
+ errno = eno;
+
if (rv == -1)
SCM_SYSERROR;
else if (rv == 0)
SCM_MISC_ERROR ("Bad address", SCM_EOL);
if (af == AF_INET)
- return scm_ulong2num (ntohl (*(scm_t_uint32 *) dst));
- else
- return ipv6_net_to_num ((char *) dst);
-}
-#undef FUNC_NAME
-#endif
-
-#ifdef HAVE_INET_NTOP
-SCM_DEFINE (scm_inet_ntop, "inet-ntop", 2, 0, 0,
- (SCM family, SCM address),
- "Convert a network address into a printable string.\n"
- "Note that unlike the C version of this function,\n"
- "the input is an integer with normal host byte ordering.\n"
- "@var{family} can be @code{AF_INET} or @code{AF_INET6}. E.g.,\n\n"
- "@lisp\n"
- "(inet-ntop AF_INET 2130706433) @result{} \"127.0.0.1\"\n"
- "(inet-ntop AF_INET6 (- (expt 2 128) 1)) @result{}\n"
- "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\n"
- "@end lisp")
-#define FUNC_NAME s_scm_inet_ntop
-{
- int af;
-#ifdef INET6_ADDRSTRLEN
- char dst[INET6_ADDRSTRLEN];
-#else
- char dst[46];
+ return scm_from_ulong (ntohl (*dst));
+#ifdef HAVE_IPV6
+ else if (af == AF_INET6)
+ return scm_from_ipv6 ((scm_t_uint8 *) dst);
#endif
- char addr6[16];
-
- SCM_VALIDATE_INUM_COPY (1, family, af);
- SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6);
- if (af == AF_INET)
- *(scm_t_uint32 *) addr6 = htonl (SCM_NUM2ULONG (2, address));
else
- {
- VALIDATE_INET6 (2, address);
- ipv6_num_to_net (address, addr6);
- }
- if (inet_ntop (af, &addr6, dst, sizeof dst) == NULL)
- SCM_SYSERROR;
- return scm_makfrom0str (dst);
+ SCM_MISC_ERROR ("unsupported address family", family);
}
#undef FUNC_NAME
-#endif
-
-#endif /* HAVE_IPV6 */
+\f
SCM_SYMBOL (sym_socket, "socket");
#define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket)
{
int fd;
- SCM_VALIDATE_INUM (1, family);
- SCM_VALIDATE_INUM (2, style);
- SCM_VALIDATE_INUM (3, proto);
- fd = socket (SCM_INUM (family), SCM_INUM (style), SCM_INUM (proto));
+ fd = socket (scm_to_int (family),
+ scm_to_int (style),
+ scm_to_int (proto));
if (fd == -1)
SCM_SYSERROR;
return SCM_SOCK_FD_TO_PORT (fd);
int fam;
int fd[2];
- SCM_VALIDATE_INUM (1, family);
- SCM_VALIDATE_INUM (2, style);
- SCM_VALIDATE_INUM (3, proto);
+ fam = scm_to_int (family);
- fam = SCM_INUM (family);
-
- if (socketpair (fam, SCM_INUM (style), SCM_INUM (proto), fd) == -1)
+ if (socketpair (fam, scm_to_int (style), scm_to_int (proto), fd) == -1)
SCM_SYSERROR;
return scm_cons (SCM_SOCK_FD_TO_PORT (fd[0]), SCM_SOCK_FD_TO_PORT (fd[1]));
#undef FUNC_NAME
#endif
+/* Possible results for `getsockopt ()'. Wrapping it into a union guarantees
+ suitable alignment. */
+typedef union
+{
+#ifdef HAVE_STRUCT_LINGER
+ struct linger linger;
+#endif
+ size_t size;
+ int integer;
+} scm_t_getsockopt_result;
+
SCM_DEFINE (scm_getsockopt, "getsockopt", 3, 0, 0,
(SCM sock, SCM level, SCM optname),
- "Return the value of a particular socket option for the socket\n"
- "port @var{sock}. @var{level} is an integer code for type of\n"
- "option being requested, e.g., @code{SOL_SOCKET} for\n"
- "socket-level options. @var{optname} is an integer code for the\n"
- "option required and should be specified using one of the\n"
- "symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n\n"
- "The returned value is typically an integer but @code{SO_LINGER}\n"
- "returns a pair of integers.")
+ "Return an option value from socket port @var{sock}.\n"
+ "\n"
+ "@var{level} is an integer specifying a protocol layer, either\n"
+ "@code{SOL_SOCKET} for socket level options, or a protocol\n"
+ "number from the @code{IPPROTO} constants or @code{getprotoent}\n"
+ "(@pxref{Network Databases}).\n"
+ "\n"
+ "@defvar SOL_SOCKET\n"
+ "@defvarx IPPROTO_IP\n"
+ "@defvarx IPPROTO_TCP\n"
+ "@defvarx IPPROTO_UDP\n"
+ "@end defvar\n"
+ "\n"
+ "@var{optname} is an integer specifying an option within the\n"
+ "protocol layer.\n"
+ "\n"
+ "For @code{SOL_SOCKET} level the following @var{optname}s are\n"
+ "defined (when provided by the system). For their meaning see\n"
+ "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n"
+ "Manual}, or @command{man 7 socket}.\n"
+ "\n"
+ "@defvar SO_DEBUG\n"
+ "@defvarx SO_REUSEADDR\n"
+ "@defvarx SO_STYLE\n"
+ "@defvarx SO_TYPE\n"
+ "@defvarx SO_ERROR\n"
+ "@defvarx SO_DONTROUTE\n"
+ "@defvarx SO_BROADCAST\n"
+ "@defvarx SO_SNDBUF\n"
+ "@defvarx SO_RCVBUF\n"
+ "@defvarx SO_KEEPALIVE\n"
+ "@defvarx SO_OOBINLINE\n"
+ "@defvarx SO_NO_CHECK\n"
+ "@defvarx SO_PRIORITY\n"
+ "@defvarx SO_REUSEPORT\n"
+ "The value returned is an integer.\n"
+ "@end defvar\n"
+ "\n"
+ "@defvar SO_LINGER\n"
+ "The value returned is a pair of integers\n"
+ "@code{(@var{enable} . @var{timeout})}. On old systems without\n"
+ "timeout support (ie.@: without @code{struct linger}), only\n"
+ "@var{enable} has an effect but the value in Guile is always a\n"
+ "pair.\n"
+ "@end defvar")
#define FUNC_NAME s_scm_getsockopt
{
int fd;
/* size of optval is the largest supported option. */
-#ifdef HAVE_STRUCT_LINGER
- char optval[sizeof (struct linger)];
- int optlen = sizeof (struct linger);
-#else
- char optval[sizeof (size_t)];
- int optlen = sizeof (size_t);
-#endif
+ scm_t_getsockopt_result optval;
+ socklen_t optlen = sizeof (optval);
int ilevel;
int ioptname;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_INUM_COPY (2, level, ilevel);
- SCM_VALIDATE_INUM_COPY (3, optname, ioptname);
+ ilevel = scm_to_int (level);
+ ioptname = scm_to_int (optname);
fd = SCM_FPORT_FDES (sock);
- if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1)
+ if (getsockopt (fd, ilevel, ioptname, (void *) &optval, &optlen) == -1)
SCM_SYSERROR;
if (ilevel == SOL_SOCKET)
if (ioptname == SO_LINGER)
{
#ifdef HAVE_STRUCT_LINGER
- struct linger *ling = (struct linger *) optval;
+ struct linger *ling = (struct linger *) &optval;
- return scm_cons (scm_long2num (ling->l_onoff),
- scm_long2num (ling->l_linger));
+ return scm_cons (scm_from_long (ling->l_onoff),
+ scm_from_long (ling->l_linger));
#else
- return scm_cons (scm_long2num (*(int *) optval),
- SCM_MAKINUM (0));
+ return scm_cons (scm_from_long (*(int *) &optval),
+ scm_from_int (0));
#endif
}
else
#endif
)
{
- return scm_long2num (*(size_t *) optval);
+ return scm_from_size_t (*(size_t *) &optval);
}
}
- return scm_long2num (*(int *) optval);
+ return scm_from_int (*(int *) &optval);
}
#undef FUNC_NAME
SCM_DEFINE (scm_setsockopt, "setsockopt", 4, 0, 0,
(SCM sock, SCM level, SCM optname, SCM value),
- "Set the value of a particular socket option for the socket\n"
- "port @var{sock}. @var{level} is an integer code for type of option\n"
- "being set, e.g., @code{SOL_SOCKET} for socket-level options.\n"
- "@var{optname} is an\n"
- "integer code for the option to set and should be specified using one of\n"
- "the symbols @code{SO_DEBUG}, @code{SO_REUSEADDR} etc.\n"
- "@var{value} is the value to which the option should be set. For\n"
- "most options this must be an integer, but for @code{SO_LINGER} it must\n"
- "be a pair.\n\n"
- "The return value is unspecified.")
+ "Set an option on socket port @var{sock}. The return value is\n"
+ "unspecified.\n"
+ "\n"
+ "@var{level} is an integer specifying a protocol layer, either\n"
+ "@code{SOL_SOCKET} for socket level options, or a protocol\n"
+ "number from the @code{IPPROTO} constants or @code{getprotoent}\n"
+ "(@pxref{Network Databases}).\n"
+ "\n"
+ "@defvar SOL_SOCKET\n"
+ "@defvarx IPPROTO_IP\n"
+ "@defvarx IPPROTO_TCP\n"
+ "@defvarx IPPROTO_UDP\n"
+ "@end defvar\n"
+ "\n"
+ "@var{optname} is an integer specifying an option within the\n"
+ "protocol layer.\n"
+ "\n"
+ "For @code{SOL_SOCKET} level the following @var{optname}s are\n"
+ "defined (when provided by the system). For their meaning see\n"
+ "@ref{Socket-Level Options,,, libc, The GNU C Library Reference\n"
+ "Manual}, or @command{man 7 socket}.\n"
+ "\n"
+ "@defvar SO_DEBUG\n"
+ "@defvarx SO_REUSEADDR\n"
+ "@defvarx SO_STYLE\n"
+ "@defvarx SO_TYPE\n"
+ "@defvarx SO_ERROR\n"
+ "@defvarx SO_DONTROUTE\n"
+ "@defvarx SO_BROADCAST\n"
+ "@defvarx SO_SNDBUF\n"
+ "@defvarx SO_RCVBUF\n"
+ "@defvarx SO_KEEPALIVE\n"
+ "@defvarx SO_OOBINLINE\n"
+ "@defvarx SO_NO_CHECK\n"
+ "@defvarx SO_PRIORITY\n"
+ "@defvarx SO_REUSEPORT\n"
+ "@var{value} is an integer.\n"
+ "@end defvar\n"
+ "\n"
+ "@defvar SO_LINGER\n"
+ "@var{value} is a pair of integers @code{(@var{ENABLE}\n"
+ ". @var{TIMEOUT})}. On old systems without timeout support\n"
+ "(ie.@: without @code{struct linger}), only @var{ENABLE} has an\n"
+ "effect but the value in Guile is always a pair.\n"
+ "@end defvar\n"
+ "\n"
+ "@c Note that we refer only to ``man ip'' here. On GNU/Linux it's\n"
+ "@c ``man 7 ip'' but on NetBSD it's ``man 4 ip''.\n"
+ "@c \n"
+ "For IP level (@code{IPPROTO_IP}) the following @var{optname}s\n"
+ "are defined (when provided by the system). See @command{man\n"
+ "ip} for what they mean.\n"
+ "\n"
+ "@defvar IP_MULTICAST_IF\n"
+ "This sets the source interface used by multicast traffic.\n"
+ "@end defvar\n"
+ "\n"
+ "@defvar IP_MULTICAST_TTL\n"
+ "This sets the default TTL for multicast traffic. This defaults \n"
+ "to 1 and should be increased to allow traffic to pass beyond the\n"
+ "local network.\n"
+ "@end defvar\n"
+ "\n"
+ "@defvar IP_ADD_MEMBERSHIP\n"
+ "@defvarx IP_DROP_MEMBERSHIP\n"
+ "These can be used only with @code{setsockopt}, not\n"
+ "@code{getsockopt}. @var{value} is a pair\n"
+ "@code{(@var{MULTIADDR} . @var{INTERFACEADDR})} of IPv4\n"
+ "addresses (@pxref{Network Address Conversion}).\n"
+ "@var{MULTIADDR} is a multicast address to be added to or\n"
+ "dropped from the interface @var{INTERFACEADDR}.\n"
+ "@var{INTERFACEADDR} can be @code{INADDR_ANY} to have the system\n"
+ "select the interface. @var{INTERFACEADDR} can also be an\n"
+ "interface index number, on systems supporting that.\n"
+ "@end defvar")
#define FUNC_NAME s_scm_setsockopt
{
int fd;
- int optlen = -1;
- /* size of optval is the largest supported option. */
+
+ int opt_int;
#ifdef HAVE_STRUCT_LINGER
- char optval[sizeof (struct linger)];
-#else
- char optval[sizeof (size_t)];
+ struct linger opt_linger;
#endif
+
+#ifdef HAVE_STRUCT_IP_MREQ
+ struct ip_mreq opt_mreq;
+#endif
+
+ const void *optval = NULL;
+ socklen_t optlen = 0;
+
int ilevel, ioptname;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_INUM_COPY (2, level, ilevel);
- SCM_VALIDATE_INUM_COPY (3, optname, ioptname);
+ ilevel = scm_to_int (level);
+ ioptname = scm_to_int (optname);
fd = SCM_FPORT_FDES (sock);
-
+
if (ilevel == SOL_SOCKET)
{
#ifdef SO_LINGER
if (ioptname == SO_LINGER)
{
#ifdef HAVE_STRUCT_LINGER
- struct linger ling;
- long lv;
-
- SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME);
- lv = SCM_NUM2LONG (4, SCM_CAR (value));
- ling.l_onoff = (int) lv;
- SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_onoff == lv);
- lv = SCM_NUM2LONG (4, SCM_CDR (value));
- ling.l_linger = (int) lv;
- SCM_ASSERT_RANGE (SCM_ARG4, value, ling.l_linger == lv);
- optlen = (int) sizeof (struct linger);
- memcpy (optval, (void *) &ling, optlen);
+ SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME);
+ opt_linger.l_onoff = scm_to_int (SCM_CAR (value));
+ opt_linger.l_linger = scm_to_int (SCM_CDR (value));
+ optlen = sizeof (struct linger);
+ optval = &opt_linger;
#else
- int ling;
- long lv;
-
- SCM_ASSERT (SCM_CONSP (value), value, SCM_ARG4, FUNC_NAME);
+ SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME);
+ opt_int = scm_to_int (SCM_CAR (value));
/* timeout is ignored, but may as well validate it. */
- lv = SCM_NUM2LONG (4, SCM_CDR (value));
- ling = (int) lv;
- SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv);
- lv = SCM_NUM2LONG (4, SCM_CAR (value));
- ling = (int) lv;
- SCM_ASSERT_RANGE (SCM_ARG4, value, ling == lv);
- optlen = (int) sizeof (int);
- (*(int *) optval) = ling;
+ scm_to_int (SCM_CDR (value));
+ optlen = sizeof (int);
+ optval = &opt_int;
#endif
}
else
#endif
)
{
- long lv = SCM_NUM2LONG (4, value);
-
- optlen = (int) sizeof (size_t);
- (*(size_t *) optval) = (size_t) lv;
+ opt_int = scm_to_int (value);
+ optlen = sizeof (size_t);
+ optval = &opt_int;
}
}
- if (optlen == -1)
+
+#ifdef HAVE_STRUCT_IP_MREQ
+ if (ilevel == IPPROTO_IP &&
+ (ioptname == IP_ADD_MEMBERSHIP || ioptname == IP_DROP_MEMBERSHIP))
{
- /* Most options take an int. */
- long lv = SCM_NUM2LONG (4, value);
- int val = (int) lv;
+ /* Fourth argument must be a pair of addresses. */
+ SCM_ASSERT (scm_is_pair (value), value, SCM_ARG4, FUNC_NAME);
+ opt_mreq.imr_multiaddr.s_addr = htonl (scm_to_ulong (SCM_CAR (value)));
+ opt_mreq.imr_interface.s_addr = htonl (scm_to_ulong (SCM_CDR (value)));
+ optlen = sizeof (opt_mreq);
+ optval = &opt_mreq;
+ }
+#endif
- SCM_ASSERT_RANGE (SCM_ARG4, value, val == lv);
- optlen = (int) sizeof (int);
- (*(int *) optval) = val;
+ if (optval == NULL)
+ {
+ /* Most options take an int. */
+ opt_int = scm_to_int (value);
+ optlen = sizeof (int);
+ optval = &opt_int;
}
- if (setsockopt (fd, ilevel, ioptname, (void *) optval, optlen) == -1)
+
+ if (setsockopt (fd, ilevel, ioptname, optval, optlen) == -1)
SCM_SYSERROR;
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
+/* Our documentation hard-codes this mapping, so make sure it holds. */
+verify (SHUT_RD == 0);
+verify (SHUT_WR == 1);
+verify (SHUT_RDWR == 2);
+
SCM_DEFINE (scm_shutdown, "shutdown", 2, 0, 0,
(SCM sock, SCM how),
"Sockets can be closed simply by using @code{close-port}. The\n"
int fd;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_INUM (2, how);
- SCM_ASSERT_RANGE(2, how,0 <= SCM_INUM (how) && 2 >= SCM_INUM (how));
fd = SCM_FPORT_FDES (sock);
- if (shutdown (fd, SCM_INUM (how)) == -1)
+ if (shutdown (fd, scm_to_signed_integer (how, 0, 2)) == -1)
SCM_SYSERROR;
return SCM_UNSPECIFIED;
}
static struct sockaddr *
scm_fill_sockaddr (int fam, SCM address, SCM *args, int which_arg,
- const char *proc, int *size)
+ const char *proc, size_t *size)
#define FUNC_NAME proc
{
switch (fam)
SCM_VALIDATE_ULONG_COPY (which_arg, address, addr);
SCM_VALIDATE_CONS (which_arg + 1, *args);
- SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port);
+ port = scm_to_int (SCM_CAR (*args));
*args = SCM_CDR (*args);
soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in));
- if (!soka)
- scm_memory_error (proc);
- /* 4.4BSD-style interface includes sin_len member and defines SIN_LEN,
- 4.3BSD does not. */
-#ifdef SIN_LEN
+ memset (soka, '\0', sizeof (struct sockaddr_in));
+
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
soka->sin_len = sizeof (struct sockaddr_in);
#endif
soka->sin_family = AF_INET;
unsigned long flowinfo = 0;
unsigned long scope_id = 0;
- VALIDATE_INET6 (which_arg, address);
SCM_VALIDATE_CONS (which_arg + 1, *args);
- SCM_VALIDATE_INUM_COPY (which_arg + 1, SCM_CAR (*args), port);
+ port = scm_to_int (SCM_CAR (*args));
*args = SCM_CDR (*args);
- if (SCM_CONSP (*args))
+ if (scm_is_pair (*args))
{
SCM_VALIDATE_ULONG_COPY (which_arg + 2, SCM_CAR (*args), flowinfo);
*args = SCM_CDR (*args);
- if (SCM_CONSP (*args))
+ if (scm_is_pair (*args))
{
SCM_VALIDATE_ULONG_COPY (which_arg + 3, SCM_CAR (*args),
scope_id);
}
}
soka = (struct sockaddr_in6 *) scm_malloc (sizeof (struct sockaddr_in6));
- if (!soka)
- scm_memory_error (proc);
-#ifdef SIN_LEN6
+
+#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
soka->sin6_len = sizeof (struct sockaddr_in6);
#endif
soka->sin6_family = AF_INET6;
- ipv6_num_to_net (address, soka->sin6_addr.s6_addr);
+ scm_to_ipv6 (soka->sin6_addr.s6_addr, address);
soka->sin6_port = htons (port);
soka->sin6_flowinfo = flowinfo;
#ifdef HAVE_SIN6_SCOPE_ID
{
struct sockaddr_un *soka;
int addr_size;
+ char *c_address;
+
+ scm_dynwind_begin (0);
+
+ c_address = scm_to_locale_string (address);
+ scm_dynwind_free (c_address);
- SCM_ASSERT (SCM_STRINGP (address), address, which_arg, proc);
/* the static buffer size in sockaddr_un seems to be arbitrary
and not necessarily a hard limit. e.g., the glibc manual
suggests it may be possible to declare it size 0. let's
connect/bind etc., to fail. sun_path is always the last
member of the structure. */
addr_size = sizeof (struct sockaddr_un)
- + max (0, SCM_STRING_LENGTH (address) + 1 - (sizeof soka->sun_path));
+ + max (0, strlen (c_address) + 1 - (sizeof soka->sun_path));
soka = (struct sockaddr_un *) scm_malloc (addr_size);
- if (!soka)
- scm_memory_error (proc);
memset (soka, 0, addr_size); /* for sun_len: see sin_len above. */
soka->sun_family = AF_UNIX;
- memcpy (soka->sun_path, SCM_STRING_CHARS (address),
- SCM_STRING_LENGTH (address));
+ strcpy (soka->sun_path, c_address);
*size = SUN_LEN (soka);
+
+ scm_dynwind_end ();
return (struct sockaddr *) soka;
}
#endif
default:
- scm_out_of_range (proc, SCM_MAKINUM (fam));
+ scm_out_of_range (proc, scm_from_int (fam));
}
}
#undef FUNC_NAME
-
-SCM_DEFINE (scm_connect, "connect", 3, 0, 1,
- (SCM sock, SCM fam, SCM address, SCM args),
+
+SCM_DEFINE (scm_connect, "connect", 2, 1, 1,
+ (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args),
"Initiate a connection from a socket using a specified address\n"
"family to the address\n"
"specified by @var{address} and possibly @var{args}.\n"
"@var{args} may be up to three integers:\n"
"port [flowinfo] [scope_id],\n"
"where flowinfo and scope_id default to zero.\n\n"
+ "Alternatively, the second argument can be a socket address object "
+ "as returned by @code{make-socket-address}, in which case the "
+ "no additional arguments should be passed.\n\n"
"The return value is unspecified.")
#define FUNC_NAME s_scm_connect
{
int fd;
struct sockaddr *soka;
- int size;
+ size_t size;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_INUM (2, fam);
fd = SCM_FPORT_FDES (sock);
- soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME,
- &size);
+
+ if (scm_is_eq (address, SCM_UNDEFINED))
+ /* No third argument was passed to FAM_OR_SOCKADDR must actually be a
+ `socket address' object. */
+ soka = scm_to_sockaddr (fam_or_sockaddr, &size);
+ else
+ soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address,
+ &args, 3, FUNC_NAME, &size);
+
if (connect (fd, soka, size) == -1)
{
int save_errno = errno;
-
+
free (soka);
errno = save_errno;
SCM_SYSERROR;
}
#undef FUNC_NAME
-SCM_DEFINE (scm_bind, "bind", 3, 0, 1,
- (SCM sock, SCM fam, SCM address, SCM args),
+SCM_DEFINE (scm_bind, "bind", 2, 1, 1,
+ (SCM sock, SCM fam_or_sockaddr, SCM address, SCM args),
"Assign an address to the socket port @var{sock}.\n"
"Generally this only needs to be done for server sockets,\n"
"so they know where to look for incoming connections. A socket\n"
"may be up to three integers:\n"
"port [flowinfo] [scope_id],\n"
"where flowinfo and scope_id default to zero.\n\n"
+ "Alternatively, the second argument can be a socket address object "
+ "as returned by @code{make-socket-address}, in which case the "
+ "no additional arguments should be passed.\n\n"
"The return value is unspecified.")
#define FUNC_NAME s_scm_bind
{
struct sockaddr *soka;
- int size;
+ size_t size;
int fd;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_INUM (2, fam);
- soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME,
- &size);
fd = SCM_FPORT_FDES (sock);
+
+ if (scm_is_eq (address, SCM_UNDEFINED))
+ /* No third argument was passed to FAM_OR_SOCKADDR must actually be a
+ `socket address' object. */
+ soka = scm_to_sockaddr (fam_or_sockaddr, &size);
+ else
+ soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address,
+ &args, 3, FUNC_NAME, &size);
+
+
if (bind (fd, soka, size) == -1)
{
int save_errno = errno;
-
+
free (soka);
errno = save_errno;
SCM_SYSERROR;
int fd;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_INUM (2, backlog);
fd = SCM_FPORT_FDES (sock);
- if (listen (fd, SCM_INUM (backlog)) == -1)
+ if (listen (fd, scm_to_int (backlog)) == -1)
SCM_SYSERROR;
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME
/* Put the components of a sockaddr into a new SCM vector. */
-static SCM
-scm_addr_vector (const struct sockaddr *address, int addr_size,
- const char *proc)
+static SCM_C_INLINE_KEYWORD SCM
+_scm_from_sockaddr (const scm_t_max_sockaddr *address, unsigned addr_size,
+ const char *proc)
{
- short int fam = address->sa_family;
- SCM result =SCM_EOL;
-
+ SCM result = SCM_EOL;
+ short int fam = ((struct sockaddr *) address)->sa_family;
switch (fam)
{
result = scm_c_make_vector (3, SCM_UNSPECIFIED);
- SCM_VECTOR_SET(result, 0, scm_ulong2num ((unsigned long) fam));
- SCM_VECTOR_SET(result, 1, scm_ulong2num (ntohl (nad->sin_addr.s_addr)));
- SCM_VECTOR_SET(result, 2, scm_ulong2num ((unsigned long) ntohs (nad->sin_port)));
+ SCM_SIMPLE_VECTOR_SET(result, 0,
+ scm_from_short (fam));
+ SCM_SIMPLE_VECTOR_SET(result, 1,
+ scm_from_ulong (ntohl (nad->sin_addr.s_addr)));
+ SCM_SIMPLE_VECTOR_SET(result, 2,
+ scm_from_ushort (ntohs (nad->sin_port)));
}
break;
#ifdef HAVE_IPV6
const struct sockaddr_in6 *nad = (struct sockaddr_in6 *) address;
result = scm_c_make_vector (5, SCM_UNSPECIFIED);
- SCM_VECTOR_SET(result, 0, scm_ulong2num ((unsigned long) fam));
- SCM_VECTOR_SET(result, 1, ipv6_net_to_num (nad->sin6_addr.s6_addr));
- SCM_VECTOR_SET(result, 2, scm_ulong2num ((unsigned long) ntohs (nad->sin6_port)));
- SCM_VECTOR_SET(result, 3, scm_ulong2num ((unsigned long) nad->sin6_flowinfo));
+ SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam));
+ SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_ipv6 (nad->sin6_addr.s6_addr));
+ SCM_SIMPLE_VECTOR_SET(result, 2, scm_from_ushort (ntohs (nad->sin6_port)));
+ SCM_SIMPLE_VECTOR_SET(result, 3, scm_from_uint32 (nad->sin6_flowinfo));
#ifdef HAVE_SIN6_SCOPE_ID
- SCM_VECTOR_SET(result, 4, scm_ulong2num ((unsigned long) nad->sin6_scope_id));
+ SCM_SIMPLE_VECTOR_SET(result, 4, scm_from_ulong (nad->sin6_scope_id));
#else
- SCM_VECTOR_SET(result, 4, SCM_INUM0);
+ SCM_SIMPLE_VECTOR_SET(result, 4, SCM_INUM0);
#endif
}
break;
result = scm_c_make_vector (2, SCM_UNSPECIFIED);
- SCM_VECTOR_SET(result, 0, scm_ulong2num ((unsigned long) fam));
+ SCM_SIMPLE_VECTOR_SET(result, 0, scm_from_short (fam));
/* When addr_size is not enough to cover sun_path, do not try
to access it. */
if (addr_size <= offsetof (struct sockaddr_un, sun_path))
- SCM_VECTOR_SET(result, 1, SCM_BOOL_F);
+ SCM_SIMPLE_VECTOR_SET(result, 1, SCM_BOOL_F);
else
- SCM_VECTOR_SET(result, 1, scm_mem2string (nad->sun_path,
- strlen (nad->sun_path)));
+ SCM_SIMPLE_VECTOR_SET(result, 1, scm_from_locale_string (nad->sun_path));
}
break;
#endif
default:
- scm_misc_error (proc, "Unrecognised address family: ~A",
- scm_list_1 (SCM_MAKINUM (fam)));
+ result = SCM_UNSPECIFIED;
+ scm_misc_error (proc, "unrecognised address family: ~A",
+ scm_list_1 (scm_from_int (fam)));
+
}
return result;
}
-/* calculate the size of a buffer large enough to hold any supported
- sockaddr type. if the buffer isn't large enough, certain system
- calls will return a truncated address. */
+/* The publicly-visible function. Return a Scheme object representing
+ ADDRESS, an address of ADDR_SIZE bytes. */
+SCM
+scm_from_sockaddr (const struct sockaddr *address, unsigned addr_size)
+{
+ return (_scm_from_sockaddr ((scm_t_max_sockaddr *) address,
+ addr_size, "scm_from_sockaddr"));
+}
-#if defined (HAVE_UNIX_DOMAIN_SOCKETS)
-#define MAX_SIZE_UN sizeof (struct sockaddr_un)
-#else
-#define MAX_SIZE_UN 0
+/* Convert ADDRESS, an address object returned by either
+ `scm_from_sockaddr ()' or `scm_make_socket_address ()', into its C
+ representation. On success, a non-NULL pointer is returned and
+ ADDRESS_SIZE is updated to the actual size (in bytes) of the returned
+ address. The result must eventually be freed using `free ()'. */
+struct sockaddr *
+scm_to_sockaddr (SCM address, size_t *address_size)
+#define FUNC_NAME "scm_to_sockaddr"
+{
+ short int family;
+ struct sockaddr *c_address = NULL;
+
+ SCM_VALIDATE_VECTOR (1, address);
+
+ *address_size = 0;
+ family = scm_to_short (SCM_SIMPLE_VECTOR_REF (address, 0));
+
+ switch (family)
+ {
+ case AF_INET:
+ {
+ if (SCM_SIMPLE_VECTOR_LENGTH (address) != 3)
+ scm_misc_error (FUNC_NAME,
+ "invalid inet address representation: ~A",
+ scm_list_1 (address));
+ else
+ {
+ struct sockaddr_in c_inet;
+
+ memset (&c_inet, '\0', sizeof (struct sockaddr_in));
+
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
+ c_inet.sin_len = sizeof (struct sockaddr_in);
+#endif
+
+ c_inet.sin_addr.s_addr =
+ htonl (scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 1)));
+ c_inet.sin_port =
+ htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2)));
+ c_inet.sin_family = AF_INET;
+
+ *address_size = sizeof (c_inet);
+ c_address = scm_malloc (sizeof (c_inet));
+ memcpy (c_address, &c_inet, sizeof (c_inet));
+ }
+
+ break;
+ }
+
+#ifdef HAVE_IPV6
+ case AF_INET6:
+ {
+ if (SCM_SIMPLE_VECTOR_LENGTH (address) != 5)
+ scm_misc_error (FUNC_NAME, "invalid inet6 address representation: ~A",
+ scm_list_1 (address));
+ else
+ {
+ struct sockaddr_in6 c_inet6;
+
+ scm_to_ipv6 (c_inet6.sin6_addr.s6_addr,
+ SCM_SIMPLE_VECTOR_REF (address, 1));
+ c_inet6.sin6_port =
+ htons (scm_to_ushort (SCM_SIMPLE_VECTOR_REF (address, 2)));
+ c_inet6.sin6_flowinfo =
+ scm_to_uint32 (SCM_SIMPLE_VECTOR_REF (address, 3));
+#ifdef HAVE_SIN6_SCOPE_ID
+ c_inet6.sin6_scope_id =
+ scm_to_ulong (SCM_SIMPLE_VECTOR_REF (address, 4));
#endif
-#if defined (HAVE_IPV6)
-#define MAX_SIZE_IN6 sizeof (struct sockaddr_in6)
+ c_inet6.sin6_family = AF_INET6;
+
+ *address_size = sizeof (c_inet6);
+ c_address = scm_malloc (sizeof (c_inet6));
+ memcpy (c_address, &c_inet6, sizeof (c_inet6));
+ }
+
+ break;
+ }
+#endif
+
+#ifdef HAVE_UNIX_DOMAIN_SOCKETS
+ case AF_UNIX:
+ {
+ if (SCM_SIMPLE_VECTOR_LENGTH (address) != 2)
+ scm_misc_error (FUNC_NAME, "invalid unix address representation: ~A",
+ scm_list_1 (address));
+ else
+ {
+ SCM path;
+ size_t path_len = 0;
+
+ path = SCM_SIMPLE_VECTOR_REF (address, 1);
+ if (!scm_is_string (path) && !scm_is_false (path))
+ scm_misc_error (FUNC_NAME, "invalid unix address "
+ "path: ~A", scm_list_1 (path));
+ else
+ {
+ struct sockaddr_un c_unix;
+
+ if (scm_is_false (path))
+ path_len = 0;
+ else
+ path_len = scm_c_string_length (path);
+
+#ifdef UNIX_PATH_MAX
+ if (path_len >= UNIX_PATH_MAX)
#else
-#define MAX_SIZE_IN6 0
+/* We can hope that this limit will eventually vanish, at least on GNU.
+ However, currently, while glibc doesn't define `UNIX_PATH_MAX', it
+ documents it has being limited to 108 bytes. */
+ if (path_len >= sizeof (c_unix.sun_path))
+#endif
+ scm_misc_error (FUNC_NAME, "unix address path "
+ "too long: ~A", scm_list_1 (path));
+ else
+ {
+ if (path_len)
+ {
+ scm_to_locale_stringbuf (path, c_unix.sun_path,
+#ifdef UNIX_PATH_MAX
+ UNIX_PATH_MAX);
+#else
+ sizeof (c_unix.sun_path));
+#endif
+ c_unix.sun_path[path_len] = '\0';
+
+ /* Sanity check. */
+ if (strlen (c_unix.sun_path) != path_len)
+ scm_misc_error (FUNC_NAME, "unix address path "
+ "contains nul characters: ~A",
+ scm_list_1 (path));
+ }
+ else
+ c_unix.sun_path[0] = '\0';
+
+ c_unix.sun_family = AF_UNIX;
+
+ *address_size = SUN_LEN (&c_unix);
+ c_address = scm_malloc (sizeof (c_unix));
+ memcpy (c_address, &c_unix, sizeof (c_unix));
+ }
+ }
+ }
+
+ break;
+ }
#endif
-#define MAX_ADDR_SIZE max (max (sizeof (struct sockaddr_in), MAX_SIZE_IN6),\
- MAX_SIZE_UN)
+ default:
+ scm_misc_error (FUNC_NAME, "unrecognised address family: ~A",
+ scm_list_1 (scm_from_ushort (family)));
+ }
+
+ return c_address;
+}
+#undef FUNC_NAME
+
+
+/* Return a newly-allocated `sockaddr' structure that reflects ADDRESS, being
+ an address of family FAMILY, with the family-specific parameters ARGS (see
+ the description of `connect' for details). The returned structure may be
+ freed using `free ()'. */
+struct sockaddr *
+scm_c_make_socket_address (SCM family, SCM address, SCM args,
+ size_t *address_size)
+{
+ struct sockaddr *soka;
+
+ soka = scm_fill_sockaddr (scm_to_ushort (family), address, &args, 1,
+ "scm_c_make_socket_address", address_size);
+
+ return soka;
+}
+
+SCM_DEFINE (scm_make_socket_address, "make-socket-address", 2, 0, 1,
+ (SCM family, SCM address, SCM args),
+ "Return a Scheme address object that reflects @var{address}, "
+ "being an address of family @var{family}, with the "
+ "family-specific parameters @var{args} (see the description of "
+ "@code{connect} for details).")
+#define FUNC_NAME s_scm_make_socket_address
+{
+ SCM result = SCM_BOOL_F;
+ struct sockaddr *c_address;
+ size_t c_address_size;
+
+ c_address = scm_c_make_socket_address (family, address, args,
+ &c_address_size);
+ if (c_address != NULL)
+ {
+ result = scm_from_sockaddr (c_address, c_address_size);
+ free (c_address);
+ }
+
+ return result;
+}
+#undef FUNC_NAME
+\f
SCM_DEFINE (scm_accept, "accept", 1, 0, 0,
(SCM sock),
"Accept a connection on a bound, listening socket.\n"
int newfd;
SCM address;
SCM newsock;
- int addr_size = MAX_ADDR_SIZE;
- char max_addr[MAX_ADDR_SIZE];
- struct sockaddr *addr = (struct sockaddr *) max_addr;
+ socklen_t addr_size = MAX_ADDR_SIZE;
+ scm_t_max_sockaddr addr;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
fd = SCM_FPORT_FDES (sock);
- newfd = accept (fd, addr, &addr_size);
+ SCM_SYSCALL (newfd = accept (fd, (struct sockaddr *) &addr, &addr_size));
if (newfd == -1)
SCM_SYSERROR;
newsock = SCM_SOCK_FD_TO_PORT (newfd);
- address = scm_addr_vector (addr, addr_size, FUNC_NAME);
+ address = _scm_from_sockaddr (&addr, addr_size,
+ FUNC_NAME);
+
return scm_cons (newsock, address);
}
#undef FUNC_NAME
#define FUNC_NAME s_scm_getsockname
{
int fd;
- int addr_size = MAX_ADDR_SIZE;
- char max_addr[MAX_ADDR_SIZE];
- struct sockaddr *addr = (struct sockaddr *) max_addr;
+ socklen_t addr_size = MAX_ADDR_SIZE;
+ scm_t_max_sockaddr addr;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
fd = SCM_FPORT_FDES (sock);
- if (getsockname (fd, addr, &addr_size) == -1)
+ if (getsockname (fd, (struct sockaddr *) &addr, &addr_size) == -1)
SCM_SYSERROR;
- return scm_addr_vector (addr, addr_size, FUNC_NAME);
+
+ return _scm_from_sockaddr (&addr, addr_size, FUNC_NAME);
}
#undef FUNC_NAME
#define FUNC_NAME s_scm_getpeername
{
int fd;
- int addr_size = MAX_ADDR_SIZE;
- char max_addr[MAX_ADDR_SIZE];
- struct sockaddr *addr = (struct sockaddr *) max_addr;
+ socklen_t addr_size = MAX_ADDR_SIZE;
+ scm_t_max_sockaddr addr;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
fd = SCM_FPORT_FDES (sock);
- if (getpeername (fd, addr, &addr_size) == -1)
+ if (getpeername (fd, (struct sockaddr *) &addr, &addr_size) == -1)
SCM_SYSERROR;
- return scm_addr_vector (addr, addr_size, FUNC_NAME);
+
+ return _scm_from_sockaddr (&addr, addr_size, FUNC_NAME);
}
#undef FUNC_NAME
"Receive data from a socket port.\n"
"@var{sock} must already\n"
"be bound to the address from which data is to be received.\n"
- "@var{buf} is a string into which\n"
+ "@var{buf} is a bytevector into which\n"
"the data will be written. The size of @var{buf} limits\n"
"the amount of\n"
"data which can be received: in the case of packet\n"
"any unread buffered port data is ignored.")
#define FUNC_NAME s_scm_recv
{
- int rv;
- int fd;
- int flg;
+ int rv, fd, flg;
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_STRING (2, buf);
- SCM_VALIDATE_INUM_DEF_COPY (3, flags,0, flg);
+
+ if (SCM_UNBNDP (flags))
+ flg = 0;
+ else
+ flg = scm_to_int (flags);
fd = SCM_FPORT_FDES (sock);
- SCM_SYSCALL (rv = recv (fd, SCM_STRING_CHARS (buf), SCM_STRING_LENGTH (buf), flg));
- if (rv == -1)
+#if SCM_ENABLE_DEPRECATED == 1
+ if (SCM_UNLIKELY (scm_is_string (buf)))
+ {
+ SCM msg;
+ char *dest;
+ size_t len;
+
+ scm_c_issue_deprecation_warning
+ ("Passing a string to `recv!' is deprecated, "
+ "use a bytevector instead.");
+
+ len = scm_i_string_length (buf);
+ msg = scm_i_make_string (len, &dest, 0);
+ SCM_SYSCALL (rv = recv (fd, dest, len, flg));
+ scm_string_copy_x (buf, scm_from_int (0),
+ msg, scm_from_int (0), scm_from_size_t (len));
+ }
+ else
+#endif
+ {
+ SCM_VALIDATE_BYTEVECTOR (1, buf);
+
+ SCM_SYSCALL (rv = recv (fd,
+ SCM_BYTEVECTOR_CONTENTS (buf),
+ SCM_BYTEVECTOR_LENGTH (buf),
+ flg));
+ }
+
+ if (SCM_UNLIKELY (rv == -1))
SCM_SYSERROR;
- return SCM_MAKINUM (rv);
+ scm_remember_upto_here (buf);
+ return scm_from_int (rv);
}
#undef FUNC_NAME
SCM_DEFINE (scm_send, "send", 2, 1, 0,
(SCM sock, SCM message, SCM flags),
- "Transmit the string @var{message} on a socket port @var{sock}.\n"
+ "Transmit bytevector @var{message} on socket port @var{sock}.\n"
"@var{sock} must already be bound to a destination address. The\n"
"value returned is the number of bytes transmitted --\n"
"it's possible for\n"
"bitwise OR of MSG_OOB, MSG_PEEK, MSG_DONTROUTE etc.\n\n"
"Note that the data is written directly to the socket\n"
"file descriptor:\n"
- "any unflushed buffered port data is ignored.")
+ "any unflushed buffered port data is ignored.\n\n"
+ "This operation is defined only for strings containing codepoints\n"
+ "zero to 255.")
#define FUNC_NAME s_scm_send
{
- int rv;
- int fd;
- int flg;
+ int rv, fd, flg;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_STRING (2, message);
- SCM_VALIDATE_INUM_DEF_COPY (3, flags,0, flg);
+
+ if (SCM_UNBNDP (flags))
+ flg = 0;
+ else
+ flg = scm_to_int (flags);
+
fd = SCM_FPORT_FDES (sock);
- SCM_SYSCALL (rv = send (fd, SCM_STRING_CHARS (message), SCM_STRING_LENGTH (message), flg));
+#if SCM_ENABLE_DEPRECATED == 1
+ if (SCM_UNLIKELY (scm_is_string (message)))
+ {
+ scm_c_issue_deprecation_warning
+ ("Passing a string to `send' is deprecated, "
+ "use a bytevector instead.");
+
+ /* If the string is wide, see if it can be coerced into a narrow
+ string. */
+ if (!scm_i_is_narrow_string (message)
+ || !scm_i_try_narrow_string (message))
+ SCM_MISC_ERROR ("the message string is not 8-bit: ~s",
+ scm_list_1 (message));
+
+ SCM_SYSCALL (rv = send (fd,
+ scm_i_string_chars (message),
+ scm_i_string_length (message),
+ flg));
+ }
+ else
+#endif
+ {
+ SCM_VALIDATE_BYTEVECTOR (1, message);
+
+ SCM_SYSCALL (rv = send (fd,
+ SCM_BYTEVECTOR_CONTENTS (message),
+ SCM_BYTEVECTOR_LENGTH (message),
+ flg));
+ }
+
if (rv == -1)
SCM_SYSERROR;
- return SCM_MAKINUM (rv);
+
+ scm_remember_upto_here_1 (message);
+ return scm_from_int (rv);
}
#undef FUNC_NAME
SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0,
- (SCM sock, SCM str, SCM flags, SCM start, SCM end),
- "Return data from the socket port @var{sock} and also\n"
- "information about where the data was received from.\n"
- "@var{sock} must already be bound to the address from which\n"
- "data is to be received. @code{str}, is a string into which the\n"
- "data will be written. The size of @var{str} limits the amount\n"
- "of data which can be received: in the case of packet protocols,\n"
- "if a packet larger than this limit is encountered then some\n"
- "data will be irrevocably lost.\n\n"
- "The optional @var{flags} argument is a value or bitwise OR of\n"
- "@code{MSG_OOB}, @code{MSG_PEEK}, @code{MSG_DONTROUTE} etc.\n\n"
- "The value returned is a pair: the @emph{car} is the number of\n"
- "bytes read from the socket and the @emph{cdr} an address object\n"
- "in the same form as returned by @code{accept}. The address\n"
- "will given as @code{#f} if not available, as is usually the\n"
- "case for stream sockets.\n\n"
- "The @var{start} and @var{end} arguments specify a substring of\n"
- "@var{str} to which the data should be written.\n\n"
- "Note that the data is read directly from the socket file\n"
- "descriptor: any unread buffered port data is ignored.")
+ (SCM sock, SCM buf, SCM flags, SCM start, SCM end),
+ "Receive data from socket port @var{sock} (which must be already\n"
+ "bound), returning the originating address as well as the data.\n"
+ "This is usually for use on datagram sockets, but can be used on\n"
+ "stream-oriented sockets too.\n"
+ "\n"
+ "The data received is stored in bytevector @var{buf}, using\n"
+ "either the whole bytevector or just the region between the optional\n"
+ "@var{start} and @var{end} positions. The size of @var{buf}\n"
+ "limits the amount of data that can be received. For datagram\n"
+ "protocols, if a packet larger than this is received then excess\n"
+ "bytes are irrevocably lost.\n"
+ "\n"
+ "The return value is a pair. The @code{car} is the number of\n"
+ "bytes read. The @code{cdr} is a socket address object which is\n"
+ "where the data came from, or @code{#f} if the origin is\n"
+ "unknown.\n"
+ "\n"
+ "The optional @var{flags} argument is a or bitwise OR\n"
+ "(@code{logior}) of @code{MSG_OOB}, @code{MSG_PEEK},\n"
+ "@code{MSG_DONTROUTE} etc.\n"
+ "\n"
+ "Data is read directly from the socket file descriptor, any\n"
+ "buffered port data is ignored.\n"
+ "\n"
+ "On a GNU/Linux system @code{recvfrom!} is not multi-threading,\n"
+ "all threads stop while a @code{recvfrom!} call is in progress.\n"
+ "An application may need to use @code{select}, @code{O_NONBLOCK}\n"
+ "or @code{MSG_DONTWAIT} to avoid this.")
#define FUNC_NAME s_scm_recvfrom
{
- int rv;
- int fd;
- int flg;
- char *buf;
- int offset;
- int cend;
+ int rv, fd, flg;
SCM address;
- int addr_size = MAX_ADDR_SIZE;
- char max_addr[MAX_ADDR_SIZE];
- struct sockaddr *addr = (struct sockaddr *) max_addr;
+ size_t offset, cend;
+ socklen_t addr_size = MAX_ADDR_SIZE;
+ scm_t_max_sockaddr addr;
SCM_VALIDATE_OPFPORT (1, sock);
fd = SCM_FPORT_FDES (sock);
- SCM_VALIDATE_SUBSTRING_SPEC_COPY (2, str, buf, 4, start, offset,
- 5, end, cend);
+
if (SCM_UNBNDP (flags))
flg = 0;
else
SCM_VALIDATE_ULONG_COPY (3, flags, flg);
- /* recvfrom will not necessarily return an address. usually nothing
- is returned for stream sockets. */
- addr->sa_family = AF_UNSPEC;
- SCM_SYSCALL (rv = recvfrom (fd, buf + offset,
- cend - offset, flg,
- addr, &addr_size));
+ ((struct sockaddr *) &addr)->sa_family = AF_UNSPEC;
+
+#if SCM_ENABLE_DEPRECATED == 1
+ if (SCM_UNLIKELY (scm_is_string (buf)))
+ {
+ char *cbuf;
+
+ scm_c_issue_deprecation_warning
+ ("Passing a string to `recvfrom!' is deprecated, "
+ "use a bytevector instead.");
+
+ scm_i_get_substring_spec (scm_i_string_length (buf),
+ start, &offset, end, &cend);
+
+ buf = scm_i_string_start_writing (buf);
+ cbuf = scm_i_string_writable_chars (buf);
+
+ SCM_SYSCALL (rv = recvfrom (fd, cbuf + offset,
+ cend - offset, flg,
+ (struct sockaddr *) &addr, &addr_size));
+ scm_i_string_stop_writing ();
+ }
+ else
+#endif
+ {
+ SCM_VALIDATE_BYTEVECTOR (1, buf);
+
+ if (SCM_UNBNDP (start))
+ offset = 0;
+ else
+ offset = scm_to_size_t (start);
+
+ if (SCM_UNBNDP (end))
+ cend = SCM_BYTEVECTOR_LENGTH (buf);
+ else
+ {
+ cend = scm_to_size_t (end);
+ if (SCM_UNLIKELY (cend >= SCM_BYTEVECTOR_LENGTH (buf)
+ || cend < offset))
+ scm_out_of_range (FUNC_NAME, end);
+ }
+
+ SCM_SYSCALL (rv = recvfrom (fd,
+ SCM_BYTEVECTOR_CONTENTS (buf) + offset,
+ cend - offset, flg,
+ (struct sockaddr *) &addr, &addr_size));
+ }
+
if (rv == -1)
SCM_SYSERROR;
- if (addr->sa_family != AF_UNSPEC)
- address = scm_addr_vector (addr, addr_size, FUNC_NAME);
+
+ /* `recvfrom' does not necessarily return an address. Usually nothing
+ is returned for stream sockets. */
+ if (((struct sockaddr *) &addr)->sa_family != AF_UNSPEC)
+ address = _scm_from_sockaddr (&addr, addr_size, FUNC_NAME);
else
address = SCM_BOOL_F;
- return scm_cons (SCM_MAKINUM (rv), address);
+ scm_remember_upto_here_1 (buf);
+
+ return scm_cons (scm_from_int (rv), address);
}
#undef FUNC_NAME
-SCM_DEFINE (scm_sendto, "sendto", 4, 0, 1,
- (SCM sock, SCM message, SCM fam, SCM address, SCM args_and_flags),
- "Transmit the string @var{message} on the socket port\n"
+SCM_DEFINE (scm_sendto, "sendto", 3, 1, 1,
+ (SCM sock, SCM message, SCM fam_or_sockaddr, SCM address, SCM args_and_flags),
+ "Transmit bytevector @var{message} on socket port\n"
"@var{sock}. The\n"
- "destination address is specified using the @var{fam},\n"
+ "destination address is specified using the @var{fam_or_sockaddr},\n"
"@var{address} and\n"
- "@var{args_and_flags} arguments, in a similar way to the\n"
+ "@var{args_and_flags} arguments, or just a socket address object "
+ "returned by @code{make-socket-address}, in a similar way to the\n"
"@code{connect} procedure. @var{args_and_flags} contains\n"
"the usual connection arguments optionally followed by\n"
"a flags argument, which is a value or\n"
"set to be non-blocking.\n"
"Note that the data is written directly to the socket\n"
"file descriptor:\n"
- "any unflushed buffered port data is ignored.")
+ "any unflushed buffered port data is ignored.\n"
+ "This operation is defined only for strings containing codepoints\n"
+ "zero to 255.")
#define FUNC_NAME s_scm_sendto
{
- int rv;
- int fd;
- int flg;
+ int rv, fd, flg;
struct sockaddr *soka;
- int size;
+ size_t size;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_FPORT (1, sock);
- SCM_VALIDATE_STRING (2, message);
- SCM_VALIDATE_INUM (3, fam);
fd = SCM_FPORT_FDES (sock);
- soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args_and_flags, 4,
- FUNC_NAME, &size);
- if (SCM_NULLP (args_and_flags))
+
+ if (!scm_is_number (fam_or_sockaddr))
+ {
+ /* FAM_OR_SOCKADDR must actually be a `socket address' object. This
+ means that the following arguments, i.e. ADDRESS and those listed in
+ ARGS_AND_FLAGS, are the `MSG_' flags. */
+ soka = scm_to_sockaddr (fam_or_sockaddr, &size);
+ if (!scm_is_eq (address, SCM_UNDEFINED))
+ args_and_flags = scm_cons (address, args_and_flags);
+ }
+ else
+ soka = scm_fill_sockaddr (scm_to_int (fam_or_sockaddr), address,
+ &args_and_flags, 3, FUNC_NAME, &size);
+
+ if (scm_is_null (args_and_flags))
flg = 0;
else
{
SCM_VALIDATE_CONS (5, args_and_flags);
flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags));
}
- SCM_SYSCALL (rv = sendto (fd, SCM_STRING_CHARS (message),
- SCM_STRING_LENGTH (message),
- flg, soka, size));
+
+#if SCM_ENABLE_DEPRECATED == 1
+ if (SCM_UNLIKELY (scm_is_string (message)))
+ {
+ scm_c_issue_deprecation_warning
+ ("Passing a string to `sendto' is deprecated, "
+ "use a bytevector instead.");
+
+ /* If the string is wide, see if it can be coerced into a narrow
+ string. */
+ if (!scm_i_is_narrow_string (message)
+ || !scm_i_try_narrow_string (message))
+ SCM_MISC_ERROR ("the message string is not 8-bit: ~s",
+ scm_list_1 (message));
+
+ SCM_SYSCALL (rv = sendto (fd,
+ scm_i_string_chars (message),
+ scm_i_string_length (message),
+ flg, soka, size));
+ }
+ else
+#endif
+ {
+ SCM_VALIDATE_BYTEVECTOR (1, message);
+
+ SCM_SYSCALL (rv = sendto (fd,
+ SCM_BYTEVECTOR_CONTENTS (message),
+ SCM_BYTEVECTOR_LENGTH (message),
+ flg, soka, size));
+ }
+
if (rv == -1)
{
int save_errno = errno;
SCM_SYSERROR;
}
free (soka);
- return SCM_MAKINUM (rv);
+
+ scm_remember_upto_here_1 (message);
+ return scm_from_int (rv);
}
#undef FUNC_NAME
\f
{
/* protocol families. */
#ifdef AF_UNSPEC
- scm_c_define ("AF_UNSPEC", SCM_MAKINUM (AF_UNSPEC));
+ scm_c_define ("AF_UNSPEC", scm_from_int (AF_UNSPEC));
#endif
-#ifdef AF_UNIX
- scm_c_define ("AF_UNIX", SCM_MAKINUM (AF_UNIX));
+#if defined HAVE_UNIX_DOMAIN_SOCKETS && defined AF_UNIX
+ scm_c_define ("AF_UNIX", scm_from_int (AF_UNIX));
#endif
#ifdef AF_INET
- scm_c_define ("AF_INET", SCM_MAKINUM (AF_INET));
+ scm_c_define ("AF_INET", scm_from_int (AF_INET));
#endif
#ifdef AF_INET6
- scm_c_define ("AF_INET6", SCM_MAKINUM (AF_INET6));
+ scm_c_define ("AF_INET6", scm_from_int (AF_INET6));
#endif
#ifdef PF_UNSPEC
- scm_c_define ("PF_UNSPEC", SCM_MAKINUM (PF_UNSPEC));
+ scm_c_define ("PF_UNSPEC", scm_from_int (PF_UNSPEC));
#endif
#ifdef PF_UNIX
- scm_c_define ("PF_UNIX", SCM_MAKINUM (PF_UNIX));
+ scm_c_define ("PF_UNIX", scm_from_int (PF_UNIX));
#endif
#ifdef PF_INET
- scm_c_define ("PF_INET", SCM_MAKINUM (PF_INET));
+ scm_c_define ("PF_INET", scm_from_int (PF_INET));
#endif
#ifdef PF_INET6
- scm_c_define ("PF_INET6", SCM_MAKINUM (PF_INET6));
+ scm_c_define ("PF_INET6", scm_from_int (PF_INET6));
#endif
/* standard addresses. */
#ifdef INADDR_ANY
- scm_c_define ("INADDR_ANY", scm_ulong2num (INADDR_ANY));
+ scm_c_define ("INADDR_ANY", scm_from_ulong (INADDR_ANY));
#endif
#ifdef INADDR_BROADCAST
- scm_c_define ("INADDR_BROADCAST", scm_ulong2num (INADDR_BROADCAST));
+ scm_c_define ("INADDR_BROADCAST", scm_from_ulong (INADDR_BROADCAST));
#endif
#ifdef INADDR_NONE
- scm_c_define ("INADDR_NONE", scm_ulong2num (INADDR_NONE));
+ scm_c_define ("INADDR_NONE", scm_from_ulong (INADDR_NONE));
#endif
#ifdef INADDR_LOOPBACK
- scm_c_define ("INADDR_LOOPBACK", scm_ulong2num (INADDR_LOOPBACK));
+ scm_c_define ("INADDR_LOOPBACK", scm_from_ulong (INADDR_LOOPBACK));
#endif
- /* socket types. */
+ /* socket types.
+
+ SOCK_PACKET is deliberately omitted, the GNU/Linux socket(2) and
+ packet(7) advise that it's obsolete and strongly deprecated. */
+
#ifdef SOCK_STREAM
- scm_c_define ("SOCK_STREAM", SCM_MAKINUM (SOCK_STREAM));
+ scm_c_define ("SOCK_STREAM", scm_from_int (SOCK_STREAM));
#endif
#ifdef SOCK_DGRAM
- scm_c_define ("SOCK_DGRAM", SCM_MAKINUM (SOCK_DGRAM));
+ scm_c_define ("SOCK_DGRAM", scm_from_int (SOCK_DGRAM));
+#endif
+#ifdef SOCK_SEQPACKET
+ scm_c_define ("SOCK_SEQPACKET", scm_from_int (SOCK_SEQPACKET));
#endif
#ifdef SOCK_RAW
- scm_c_define ("SOCK_RAW", SCM_MAKINUM (SOCK_RAW));
+ scm_c_define ("SOCK_RAW", scm_from_int (SOCK_RAW));
+#endif
+#ifdef SOCK_RDM
+ scm_c_define ("SOCK_RDM", scm_from_int (SOCK_RDM));
#endif
- /* setsockopt level. */
+ /* setsockopt level.
+
+ SOL_IP, SOL_TCP and SOL_UDP are defined on gnu/linux, but not on for
+ instance NetBSD. We define IPPROTOs because that's what the posix spec
+ shows in its example at
+
+ http://www.opengroup.org/onlinepubs/007904975/functions/getsockopt.html
+ */
#ifdef SOL_SOCKET
- scm_c_define ("SOL_SOCKET", SCM_MAKINUM (SOL_SOCKET));
+ scm_c_define ("SOL_SOCKET", scm_from_int (SOL_SOCKET));
#endif
-#ifdef SOL_IP
- scm_c_define ("SOL_IP", SCM_MAKINUM (SOL_IP));
+#ifdef IPPROTO_IP
+ scm_c_define ("IPPROTO_IP", scm_from_int (IPPROTO_IP));
#endif
-#ifdef SOL_TCP
- scm_c_define ("SOL_TCP", SCM_MAKINUM (SOL_TCP));
+#ifdef IPPROTO_TCP
+ scm_c_define ("IPPROTO_TCP", scm_from_int (IPPROTO_TCP));
#endif
-#ifdef SOL_UDP
- scm_c_define ("SOL_UDP", SCM_MAKINUM (SOL_UDP));
+#ifdef IPPROTO_UDP
+ scm_c_define ("IPPROTO_UDP", scm_from_int (IPPROTO_UDP));
#endif
/* setsockopt names. */
#ifdef SO_DEBUG
- scm_c_define ("SO_DEBUG", SCM_MAKINUM (SO_DEBUG));
+ scm_c_define ("SO_DEBUG", scm_from_int (SO_DEBUG));
#endif
#ifdef SO_REUSEADDR
- scm_c_define ("SO_REUSEADDR", SCM_MAKINUM (SO_REUSEADDR));
+ scm_c_define ("SO_REUSEADDR", scm_from_int (SO_REUSEADDR));
#endif
#ifdef SO_STYLE
- scm_c_define ("SO_STYLE", SCM_MAKINUM (SO_STYLE));
+ scm_c_define ("SO_STYLE", scm_from_int (SO_STYLE));
#endif
#ifdef SO_TYPE
- scm_c_define ("SO_TYPE", SCM_MAKINUM (SO_TYPE));
+ scm_c_define ("SO_TYPE", scm_from_int (SO_TYPE));
#endif
#ifdef SO_ERROR
- scm_c_define ("SO_ERROR", SCM_MAKINUM (SO_ERROR));
+ scm_c_define ("SO_ERROR", scm_from_int (SO_ERROR));
#endif
#ifdef SO_DONTROUTE
- scm_c_define ("SO_DONTROUTE", SCM_MAKINUM (SO_DONTROUTE));
+ scm_c_define ("SO_DONTROUTE", scm_from_int (SO_DONTROUTE));
#endif
#ifdef SO_BROADCAST
- scm_c_define ("SO_BROADCAST", SCM_MAKINUM (SO_BROADCAST));
+ scm_c_define ("SO_BROADCAST", scm_from_int (SO_BROADCAST));
#endif
#ifdef SO_SNDBUF
- scm_c_define ("SO_SNDBUF", SCM_MAKINUM (SO_SNDBUF));
+ scm_c_define ("SO_SNDBUF", scm_from_int (SO_SNDBUF));
#endif
#ifdef SO_RCVBUF
- scm_c_define ("SO_RCVBUF", SCM_MAKINUM (SO_RCVBUF));
+ scm_c_define ("SO_RCVBUF", scm_from_int (SO_RCVBUF));
#endif
#ifdef SO_KEEPALIVE
- scm_c_define ("SO_KEEPALIVE", SCM_MAKINUM (SO_KEEPALIVE));
+ scm_c_define ("SO_KEEPALIVE", scm_from_int (SO_KEEPALIVE));
#endif
#ifdef SO_OOBINLINE
- scm_c_define ("SO_OOBINLINE", SCM_MAKINUM (SO_OOBINLINE));
+ scm_c_define ("SO_OOBINLINE", scm_from_int (SO_OOBINLINE));
#endif
#ifdef SO_NO_CHECK
- scm_c_define ("SO_NO_CHECK", SCM_MAKINUM (SO_NO_CHECK));
+ scm_c_define ("SO_NO_CHECK", scm_from_int (SO_NO_CHECK));
#endif
#ifdef SO_PRIORITY
- scm_c_define ("SO_PRIORITY", SCM_MAKINUM (SO_PRIORITY));
+ scm_c_define ("SO_PRIORITY", scm_from_int (SO_PRIORITY));
#endif
#ifdef SO_LINGER
- scm_c_define ("SO_LINGER", SCM_MAKINUM (SO_LINGER));
+ scm_c_define ("SO_LINGER", scm_from_int (SO_LINGER));
+#endif
+#ifdef SO_REUSEPORT /* new in Linux 3.9 */
+ scm_c_define ("SO_REUSEPORT", scm_from_int (SO_REUSEPORT));
#endif
/* recv/send options. */
+#ifdef MSG_DONTWAIT
+ scm_c_define ("MSG_DONTWAIT", scm_from_int (MSG_DONTWAIT));
+#endif
#ifdef MSG_OOB
- scm_c_define ("MSG_OOB", SCM_MAKINUM (MSG_OOB));
+ scm_c_define ("MSG_OOB", scm_from_int (MSG_OOB));
#endif
#ifdef MSG_PEEK
- scm_c_define ("MSG_PEEK", SCM_MAKINUM (MSG_PEEK));
+ scm_c_define ("MSG_PEEK", scm_from_int (MSG_PEEK));
#endif
#ifdef MSG_DONTROUTE
- scm_c_define ("MSG_DONTROUTE", SCM_MAKINUM (MSG_DONTROUTE));
+ scm_c_define ("MSG_DONTROUTE", scm_from_int (MSG_DONTROUTE));
+#endif
+
+#ifdef IP_ADD_MEMBERSHIP
+ scm_c_define ("IP_ADD_MEMBERSHIP", scm_from_int (IP_ADD_MEMBERSHIP));
+ scm_c_define ("IP_DROP_MEMBERSHIP", scm_from_int (IP_DROP_MEMBERSHIP));
+#endif
+
+#ifdef IP_MULTICAST_TTL
+ scm_c_define ("IP_MULTICAST_TTL", scm_from_int ( IP_MULTICAST_TTL));
#endif
-#ifdef __MINGW32__
- scm_i_init_socket_Win32 ();
+#ifdef IP_MULTICAST_IF
+ scm_c_define ("IP_MULTICAST_IF", scm_from_int ( IP_MULTICAST_IF));
#endif
scm_add_feature ("socket");
HCoop / bpt / guile.git / blobdiff