-/* Copyright (C) 1996,1997,1998,2000,2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
- *
+/* Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005,
+ * 2006, 2007, 2009, 2011 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 3 of
#include "libguile/strings.h"
#include "libguile/vectors.h"
#include "libguile/dynwind.h"
+#include "libguile/srfi-13.h"
#include "libguile/validate.h"
#include "libguile/socket.h"
-#include "libguile/iselect.h"
-
#ifdef __MINGW32__
#include "win32-socket.h"
+#include <netdb.h>
#endif
#ifdef HAVE_STDINT_H
}
#undef FUNC_NAME
-#ifndef HAVE_INET_ATON
-/* for our definition in inet_aton.c, not usually needed. */
-extern int inet_aton ();
-#endif
-
-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;
- char *c_address;
- int rv;
-
- c_address = scm_to_locale_string (address);
- rv = inet_aton (c_address, &soka);
- free (c_address);
- if (rv == 0)
- SCM_MISC_ERROR ("bad address", SCM_EOL);
- return scm_from_ulong (ntohl (soka.s_addr));
-}
-#undef FUNC_NAME
-
-
-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_from_locale_string (s);
- return answer;
-}
-#undef FUNC_NAME
-
#ifdef HAVE_INET_NETOF
SCM_DEFINE (scm_inet_netof, "inet-netof", 1, 0, 0,
(SCM address),
scm_remember_upto_here_1 (src);
}
else
- scm_wrong_type_arg (NULL, 0, src);
+ scm_wrong_type_arg_msg ("scm_to_ipv6", 0, src, "integer");
}
-#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"
- "an integer address. Note that unlike the C version of this\n"
- "function,\n"
- "the result 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-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n"
- "(inet-pton AF_INET6 \"::1\") @result{} 1\n"
- "@end lisp")
-#define FUNC_NAME s_scm_inet_pton
-{
- int af;
- char *src;
- scm_t_uint32 dst[4];
- int rv, eno;
+#endif /* HAVE_IPV6 */
- af = scm_to_int (family);
- SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6);
- 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_from_ulong (ntohl (*dst));
- else
- return scm_from_ipv6 ((scm_t_uint8 *) dst);
-}
-#undef FUNC_NAME
-#endif
+\f
-#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"
"@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"
+ "(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
{
const char *result;
af = scm_to_int (family);
- SCM_ASSERT_RANGE (1, family, af == AF_INET || af == AF_INET6);
+ 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));
}
- else
+#ifdef HAVE_IPV6
+ else if (af == AF_INET6)
{
char addr6[16];
scm_to_ipv6 ((scm_t_uint8 *) addr6, address);
result = inet_ntop (af, &addr6, dst, sizeof (dst));
}
+#endif
+ else
+ SCM_MISC_ERROR ("unsupported address family", family);
if (result == NULL)
SCM_SYSERROR;
return scm_from_locale_string (dst);
}
#undef FUNC_NAME
+
+SCM_DEFINE (scm_inet_pton, "inet-pton", 2, 0, 0,
+ (SCM family, SCM address),
+ "Convert a string containing a printable network address to\n"
+ "an integer address. Note that unlike the C version of this\n"
+ "function,\n"
+ "the result 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-pton AF_INET \"127.0.0.1\") @result{} 2130706433\n"
+ "(inet-pton AF_INET6 \"::1\") @result{} 1\n"
+ "@end lisp")
+#define FUNC_NAME s_scm_inet_pton
+{
+ int af;
+ char *src;
+ scm_t_uint32 dst[4];
+ int rv, eno;
+
+ af = scm_to_int (family);
+ SCM_ASSERT_RANGE (1, family,
+ af == AF_INET
+#ifdef HAVE_IPV6
+ || af == AF_INET6
#endif
+ );
-#endif /* HAVE_IPV6 */
+ 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_from_ulong (ntohl (*dst));
+#ifdef HAVE_IPV6
+ else if (af == AF_INET6)
+ return scm_from_ipv6 ((scm_t_uint8 *) dst);
+#endif
+ else
+ SCM_MISC_ERROR ("unsupported address family", family);
+}
+#undef FUNC_NAME
+
+\f
SCM_SYMBOL (sym_socket, "socket");
#define SCM_SOCK_FD_TO_PORT(fd) scm_fdes_to_port (fd, "r+0", sym_socket)
"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"
struct linger opt_linger;
#endif
-#if HAVE_STRUCT_IP_MREQ
+#ifdef HAVE_STRUCT_IP_MREQ
struct ip_mreq opt_mreq;
#endif
}
}
-#if HAVE_STRUCT_IP_MREQ
+#ifdef HAVE_STRUCT_IP_MREQ
if (ilevel == IPPROTO_IP &&
(ioptname == IP_ADD_MEMBERSHIP || ioptname == IP_DROP_MEMBERSHIP))
{
port = scm_to_int (SCM_CAR (*args));
*args = SCM_CDR (*args);
soka = (struct sockaddr_in *) scm_malloc (sizeof (struct sockaddr_in));
+ memset (soka, '\0', sizeof (struct sockaddr_in));
-#if HAVE_STRUCT_SOCKADDR_SIN_LEN
+#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
soka->sin_len = sizeof (struct sockaddr_in);
#endif
soka->sin_family = AF_INET;
}
soka = (struct sockaddr_in6 *) scm_malloc (sizeof (struct sockaddr_in6));
-#if HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
+#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
soka->sin6_len = sizeof (struct sockaddr_in6);
#endif
soka->sin6_family = AF_INET6;
SCM_VALIDATE_OPFPORT (1, sock);
fd = SCM_FPORT_FDES (sock);
- if (address == SCM_UNDEFINED)
+ 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);
SCM_VALIDATE_OPFPORT (1, sock);
fd = SCM_FPORT_FDES (sock);
- if (address == SCM_UNDEFINED)
+ 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);
{
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 =
{
struct sockaddr_in6 c_inet6;
- scm_to_ipv6 (c_inet6.sin6_addr.s6_addr, address);
+ 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 =
size_t path_len = 0;
path = SCM_SIMPLE_VECTOR_REF (address, 1);
- if ((!scm_is_string (path)) && (path != SCM_BOOL_F))
+ 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 (path == SCM_BOOL_F)
+ if (scm_is_false (path))
path_len = 0;
else
path_len = scm_c_string_length (path);
"connection and will continue to accept new requests.")
#define FUNC_NAME s_scm_accept
{
- int fd, selected;
+ int fd;
int newfd;
SCM address;
SCM newsock;
- SELECT_TYPE readfds, exceptfds;
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);
-
- FD_ZERO (&readfds);
- FD_ZERO (&exceptfds);
- FD_SET (fd, &readfds);
- FD_SET (fd, &exceptfds);
-
- /* Block until something happens on FD, leaving guile mode while
- waiting. */
- selected = scm_std_select (fd + 1, &readfds, NULL, &exceptfds,
- NULL);
- if (selected < 0)
- SCM_SYSERROR;
-
newfd = accept (fd, (struct sockaddr *) &addr, &addr_size);
if (newfd == -1)
SCM_SYSERROR;
"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;
- char *dest;
- size_t len;
+ int rv, fd, flg;
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_STRING (2, buf);
+
if (SCM_UNBNDP (flags))
flg = 0;
else
flg = scm_to_int (flags);
fd = SCM_FPORT_FDES (sock);
- len = scm_i_string_length (buf);
- dest = scm_i_string_writable_chars (buf);
- SCM_SYSCALL (rv = recv (fd, dest, len, flg));
- scm_i_string_stop_writing ();
+ SCM_VALIDATE_BYTEVECTOR (1, buf);
- if (rv == -1)
+ SCM_SYSCALL (rv = recv (fd,
+ SCM_BYTEVECTOR_CONTENTS (buf),
+ SCM_BYTEVECTOR_LENGTH (buf),
+ flg));
+
+ if (SCM_UNLIKELY (rv == -1))
SCM_SYSERROR;
- scm_remember_upto_here_1 (buf);
+ 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;
- const char *src;
- size_t len;
+ int rv, fd, flg;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_OPFPORT (1, sock);
- SCM_VALIDATE_STRING (2, message);
+
if (SCM_UNBNDP (flags))
flg = 0;
else
flg = scm_to_int (flags);
+
fd = SCM_FPORT_FDES (sock);
- len = scm_i_string_length (message);
- src = scm_i_string_writable_chars (message);
- SCM_SYSCALL (rv = send (fd, src, len, flg));
- scm_i_string_stop_writing ();
+ SCM_VALIDATE_BYTEVECTOR (1, message);
+
+ SCM_SYSCALL (rv = send (fd,
+ SCM_BYTEVECTOR_CONTENTS (message),
+ SCM_BYTEVECTOR_LENGTH (message),
+ flg));
if (rv == -1)
SCM_SYSERROR;
#undef FUNC_NAME
SCM_DEFINE (scm_recvfrom, "recvfrom!", 2, 3, 0,
- (SCM sock, SCM str, SCM flags, SCM start, SCM end),
+ (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 the given @var{str}, using\n"
- "either the whole string or just the region between the optional\n"
- "@var{start} and @var{end} positions. The size of @var{str}\n"
- "limits the amount of data which can be received. For datagram\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 come from, or @code{#f} if the origin 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"
"or @code{MSG_DONTWAIT} to avoid this.")
#define FUNC_NAME s_scm_recvfrom
{
- int rv;
- int fd;
- int flg;
- char *buf;
- size_t offset;
- size_t cend;
+ int rv, fd, flg;
SCM address;
+ 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_STRING (2, str);
- scm_i_get_substring_spec (scm_i_string_length (str),
- start, &offset, 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. */
- buf = scm_i_string_writable_chars (str);
((struct sockaddr *) &addr)->sa_family = AF_UNSPEC;
- SCM_SYSCALL (rv = recvfrom (fd, buf + offset,
- cend - offset, flg,
- (struct sockaddr *) &addr, &addr_size));
- scm_i_string_stop_writing ();
+
+ 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;
+
+ /* `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;
- scm_remember_upto_here_1 (str);
+ scm_remember_upto_here_1 (buf);
return scm_cons (scm_from_int (rv), address);
}
SCM_DEFINE (scm_sendto, "sendto", 3, 1, 1,
(SCM sock, SCM message, SCM fam_or_sockaddr, SCM address, SCM args_and_flags),
- "Transmit the string @var{message} on the socket port\n"
+ "Transmit bytevector @var{message} on socket port\n"
"@var{sock}. The\n"
"destination address is specified using the @var{fam},\n"
"@var{address} and\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;
size_t size;
sock = SCM_COERCE_OUTPORT (sock);
SCM_VALIDATE_FPORT (1, sock);
- SCM_VALIDATE_STRING (2, message);
fd = SCM_FPORT_FDES (sock);
if (!scm_is_number (fam_or_sockaddr))
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 (address != SCM_UNDEFINED)
+ if (!scm_is_eq (address, SCM_UNDEFINED))
args_and_flags = scm_cons (address, args_and_flags);
}
else
SCM_VALIDATE_CONS (5, args_and_flags);
flg = SCM_NUM2ULONG (5, SCM_CAR (args_and_flags));
}
+
+ SCM_VALIDATE_BYTEVECTOR (1, message);
+
SCM_SYSCALL (rv = sendto (fd,
- scm_i_string_chars (message),
- scm_i_string_length (message),
- flg, soka, size));
+ SCM_BYTEVECTOR_CONTENTS (message),
+ SCM_BYTEVECTOR_LENGTH (message),
+ flg, soka, size));
+
if (rv == -1)
{
int save_errno = errno;
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 IP_MULTICAST_IF
+ scm_c_define ("IP_MULTICAST_IF", scm_from_int ( IP_MULTICAST_IF));
+#endif
+
scm_add_feature ("socket");
#include "libguile/socket.x"
HCoop / bpt / guile.git / blobdiff