Microsoft doesn't provide inet_pton and inet_ntop APIs on Windows XP, but only on Windows Vista and 2008. So add a stand alone version of inet_pton and inet_ntop functions from ISC.
This commit was SVN r21295.
Этот коммит содержится в:
Shiqing Fan
родитель
b9fff9d91f
Коммит
b3c077e112
@ -53,6 +53,9 @@
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#include "opal/util/output.h"
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#include "opal/util/argv.h"
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#include "opal/util/net.h"
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#if defined(__WINDOWS__)
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#include "opal/win32/ompi_inet.h"
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#endif
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#include "orte/types.h"
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#include "orte/util/show_help.h"
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@ -23,7 +23,8 @@ OMPI_WIN32_SRC = \
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win32/ompi_utsname.c \
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win32/ompi_process.c \
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win32/ompi_time.c \
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win32/ompi_uio.c
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win32/ompi_uio.c \
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win32/ompi_inet.c
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OMPI_WIN32_HDR = \
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win32/ompi_misc.h \
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@ -32,6 +33,7 @@ OMPI_WIN32_HDR = \
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win32/ompi_uio.h \
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win32/ompi_util.h \
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win32/ompi_utsname.h \
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win32/ompi_inet.h \
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win32/win_compat.h
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if OMPI_NEED_WINDOWS_REPLACEMENTS
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346
opal/win32/ompi_inet.c
Обычный файл
346
opal/win32/ompi_inet.c
Обычный файл
@ -0,0 +1,346 @@
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/* Copyright (c) 1996 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include "opal_config.h"
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#define IN6ADDRSZ 16
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#define INADDRSZ 4
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#define INT16SZ 2
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#ifndef AF_INET6
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#define AF_INET6 AF_MAX+1 /* just to let this compile */
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#endif
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#include <sys/types.h>
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#include <string.h>
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#include <errno.h>
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#include "opal/opal_socket_errno.h"
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#include "ompi_inet.h"
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static int inet_pton4(const char *src, u_char *dst);
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static int inet_pton6(const char *src, u_char *dst);
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static const char *inet_ntop4(const u_char *src, char *dst, size_t size);
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static const char *inet_ntop6(const u_char *src, char *dst, size_t size);
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/*
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* convert from presentation format (which usually means ASCII printable)
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* to network format (which is usually some kind of binary format).
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*
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* return:
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* 1 if the address was valid for the specified address family
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* 0 if the address wasn't valid (`dst' is untouched in this case)
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* -1 if some other error occurred (`dst' is untouched in this case, too)
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*/
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int
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inet_pton(int af, const char *src, void *dst)
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{
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switch (af) {
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case AF_INET:
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return (inet_pton4(src, dst));
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case AF_INET6:
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return (inet_pton6(src, dst));
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default:
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errno = EAFNOSUPPORT;
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return (-1);
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}
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/* NOTREACHED */
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}
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/*
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* convert a network format address to presentation format.
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*
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* return:
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* pointer to presentation format address (`dst'), or NULL (see errno).
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*/
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const char *
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inet_ntop(int af, const void *src, char *dst, size_t size)
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{
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switch (af) {
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case AF_INET:
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return (inet_ntop4(src, dst, size));
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case AF_INET6:
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return (inet_ntop6(src, dst, size));
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default:
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errno = EAFNOSUPPORT;
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return (NULL);
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}
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/* NOTREACHED */
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}
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/*
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* like inet_aton() but without all the hexadecimal and shorthand.
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*
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* return:
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* 1 if `src' is a valid dotted quad, else 0.
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*
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* notice:
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* does not touch `dst' unless it's returning 1.
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*/
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static int
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inet_pton4(const char *src, u_char *dst)
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{
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static const char digits[] = "0123456789";
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int saw_digit, octets, ch;
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u_char tmp[INADDRSZ], *tp;
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saw_digit = 0;
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octets = 0;
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*(tp = tmp) = 0;
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while ((ch = *src++) != '\0') {
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const char *pch;
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if ((pch = strchr(digits, ch)) != NULL) {
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u_int new = *tp * 10 + (pch - digits);
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if (new > 255)
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return (0);
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*tp = new;
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if (! saw_digit) {
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if (++octets > 4)
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return (0);
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saw_digit = 1;
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}
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} else if (ch == '.' && saw_digit) {
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if (octets == 4)
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return (0);
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*++tp = 0;
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saw_digit = 0;
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} else
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return (0);
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}
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if (octets < 4)
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return (0);
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/* bcopy(tmp, dst, INADDRSZ); */
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memcpy(dst, tmp, INADDRSZ);
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return (1);
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}
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/*
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* convert presentation level address to network order binary form.
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*
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* return:
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* 1 if `src' is a valid [RFC1884 2.2] address, else 0.
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*
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* notice:
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* (1) does not touch `dst' unless it's returning 1.
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* (2) :: in a full address is silently ignored.
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*/
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static int
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inet_pton6(const char *src, u_char *dst)
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{
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static const char xdigits_l[] = "0123456789abcdef",
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xdigits_u[] = "0123456789ABCDEF";
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u_char tmp[IN6ADDRSZ], *tp, *endp, *colonp;
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const char *xdigits, *curtok;
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int ch, saw_xdigit;
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u_int val;
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memset((tp = tmp), 0, IN6ADDRSZ);
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endp = tp + IN6ADDRSZ;
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colonp = NULL;
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/* Leading :: requires some special handling. */
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if (*src == ':')
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if (*++src != ':')
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return (0);
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curtok = src;
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saw_xdigit = 0;
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val = 0;
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while ((ch = *src++) != '\0') {
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const char *pch;
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if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
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pch = strchr((xdigits = xdigits_u), ch);
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if (pch != NULL) {
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val <<= 4;
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val |= (pch - xdigits);
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if (val > 0xffff)
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return (0);
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saw_xdigit = 1;
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continue;
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}
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if (ch == ':') {
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curtok = src;
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if (!saw_xdigit) {
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if (colonp)
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return (0);
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colonp = tp;
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continue;
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}
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if (tp + INT16SZ > endp)
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return (0);
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*tp++ = (u_char) (val >> 8) & 0xff;
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*tp++ = (u_char) val & 0xff;
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saw_xdigit = 0;
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val = 0;
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continue;
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}
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if (ch == '.' && ((tp + INADDRSZ) <= endp) &&
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inet_pton4(curtok, tp) > 0) {
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tp += INADDRSZ;
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saw_xdigit = 0;
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break; /* '\0' was seen by inet_pton4(). */
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}
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return (0);
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}
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if (saw_xdigit) {
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if (tp + INT16SZ > endp)
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return (0);
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*tp++ = (u_char) (val >> 8) & 0xff;
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*tp++ = (u_char) val & 0xff;
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}
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if (colonp != NULL) {
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/*
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* Since some memmove()'s erroneously fail to handle
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* overlapping regions, we'll do the shift by hand.
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*/
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const int n = tp - colonp;
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int i;
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for (i = 1; i <= n; i++) {
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endp[- i] = colonp[n - i];
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colonp[n - i] = 0;
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}
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tp = endp;
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}
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if (tp != endp)
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return (0);
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/* bcopy(tmp, dst, IN6ADDRSZ); */
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memcpy(dst, tmp, IN6ADDRSZ);
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return (1);
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}
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/*
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* format an IPv4 address, more or less like inet_ntoa()
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*
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* return:
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* `dst' (as a const)
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*
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* notes:
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* (1) uses no statics
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* (2) takes a u_char* not an in_addr as input
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*/
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static const char *
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inet_ntop4(const u_char *src, char *dst, size_t size)
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{
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static const char fmt[] = "%u.%u.%u.%u";
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char tmp[sizeof "255.255.255.255"];
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sprintf(tmp, fmt, src[0], src[1], src[2], src[3]);
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if (strlen(tmp) > size) {
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errno = ENOSPC;
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return (NULL);
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}
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strcpy(dst, tmp);
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return (dst);
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}
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/*
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* convert IPv6 binary address into presentation (printable) format
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*/
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static const char *
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inet_ntop6(const u_char *src, char *dst, size_t size)
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{
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/*
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* Note that int32_t and int16_t need only be "at least" large enough
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* to contain a value of the specified size. On some systems, like
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* Crays, there is no such thing as an integer variable with 16 bits.
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* Keep this in mind if you think this function should have been coded
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* to use pointer overlays. All the world's not a VAX.
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*/
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char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"], *tp;
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struct { int base, len; } best, cur;
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u_int words[IN6ADDRSZ / INT16SZ];
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int i;
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/*
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* Preprocess:
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* Copy the input (bytewise) array into a wordwise array.
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* Find the longest run of 0x00's in src[] for :: shorthanding.
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*/
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memset(words, 0, sizeof words);
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for (i = 0; i < IN6ADDRSZ; i++)
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words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
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best.base = -1;
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cur.base = -1;
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for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
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if (words[i] == 0) {
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if (cur.base == -1)
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cur.base = i, cur.len = 1;
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else
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cur.len++;
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} else {
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if (cur.base != -1) {
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if (best.base == -1 || cur.len > best.len)
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best = cur;
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cur.base = -1;
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}
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}
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}
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if (cur.base != -1) {
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if (best.base == -1 || cur.len > best.len)
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best = cur;
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}
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if (best.base != -1 && best.len < 2)
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best.base = -1;
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/*
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* Format the result.
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*/
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tp = tmp;
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for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
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/* Are we inside the best run of 0x00's? */
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if (best.base != -1 && i >= best.base &&
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i < (best.base + best.len)) {
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if (i == best.base)
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*tp++ = ':';
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continue;
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}
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/* Are we following an initial run of 0x00s or any real hex? */
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if (i != 0)
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*tp++ = ':';
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/* Is this address an encapsulated IPv4? */
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if (i == 6 && best.base == 0 &&
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(best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
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if (!inet_ntop4(src+12, tp, sizeof tmp - (tp - tmp)))
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return (NULL);
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tp += strlen(tp);
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break;
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}
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sprintf(tp, "%x", words[i]);
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tp += strlen(tp);
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}
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/* Was it a trailing run of 0x00's? */
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if (best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ))
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*tp++ = ':';
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*tp++ = '\0';
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/*
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* Check for overflow, copy, and we're done.
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*/
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if ((tp - tmp) > size) {
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errno = ENOSPC;
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return (NULL);
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}
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strcpy(dst, tmp);
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return (dst);
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}
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34
opal/win32/ompi_inet.h
Обычный файл
34
opal/win32/ompi_inet.h
Обычный файл
@ -0,0 +1,34 @@
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/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2009 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef OMPI_INET_H
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#define OMPI_INET_H
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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OPAL_DECLSPEC int inet_pton(int af, const char *src, void *dst);
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OPAL_DECLSPEC const char *inet_ntop(int af, const void *src, char *dst, size_t size);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* OMPI_INET_H */
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