114 строки
3.2 KiB
C
114 строки
3.2 KiB
C
/*
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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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#include "opal_config.h"
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#include "opal/win32/ompi_inet.h"
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#include "opal/util/output.h"
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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 ompi_inet_pton(int af, const char *src, void *dst)
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{
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int addr_len;
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struct sockaddr sa;
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struct sockaddr_in *sin = (struct sockaddr_in *)&sa;
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struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&sa;
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memset (&sa, 0, sizeof(struct sockaddr));
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switch (af) {
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case AF_INET:
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addr_len = sizeof(struct sockaddr_in);
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break;
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case AF_INET6:
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addr_len = sizeof(struct sockaddr_in6);
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break;
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default:
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return -1;
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}
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if ( 0 == WSAStringToAddress ((LPTSTR) src, af, NULL, (LPSOCKADDR) &sa, &addr_len )) {
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switch (af) {
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case AF_INET:
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memcpy (dst, &sin->sin_addr, sizeof(struct in_addr));
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break;
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case AF_INET6:
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memcpy (dst, &sin6->sin6_addr, sizeof(struct in6_addr));
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break;
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}
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return 1;
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} else {
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opal_output(0, "WSAStringToAddress failed %s:%d. Error code: %d", __FILE__, __LINE__, GetLastError());
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return 0;
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}
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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.
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*/
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const char *ompi_inet_ntop(int af, const void *src, char *dst, size_t size)
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{
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int addr_len;
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struct sockaddr sa;
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DWORD str_len = size;
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struct sockaddr_in *sin = (struct sockaddr_in *)&sa;
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struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&sa;
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memset (&sa, 0, sizeof (struct sockaddr));
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switch (af) {
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case AF_INET:
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addr_len = sizeof(struct sockaddr_in);
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sin->sin_family = af;
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memcpy (&sin->sin_addr, src, sizeof (struct in_addr));
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break;
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case AF_INET6:
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addr_len = sizeof(struct sockaddr_in6);
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sin6->sin6_family = af;
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memcpy (&sin6->sin6_addr, src, sizeof (struct in6_addr));
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break;
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default:
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return NULL;
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}
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if ( 0 == WSAAddressToString ((LPSOCKADDR) &sa, addr_len, NULL, dst, &str_len )) {
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return dst;
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} else {
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opal_output(0, "WSAAddressToString failed %s:%d. Error code: %d", __FILE__, __LINE__, GetLastError());
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return NULL;
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}
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}
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