131 строка
3.7 KiB
C
131 строка
3.7 KiB
C
/* @file */
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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) 2004-2005 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 OPAL_IF_UTIL_
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#define OPAL_IF_UTIL_
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#include "ompi_config.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#include <sys/socket.h>
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#endif
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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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/**
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* Lookup an interface by name and return its primary address.
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*
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* @param if_name (IN) Interface name
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* @param if_addr (OUT) Interface address buffer
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* @param size (IN) Interface address buffer size
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*/
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OMPI_DECLSPEC int opal_ifnametoaddr(const char* if_name,
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struct sockaddr* if_addr, int size);
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/**
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* Lookup an interface by address and return its name.
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*
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* @param if_addr (IN) Interface address (hostname or dotted-quad)
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* @param if_name (OUT) Interface name buffer
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* @param size (IN) Interface name buffer size
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*/
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OMPI_DECLSPEC int opal_ifaddrtoname(const char* if_addr,
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char* if_name, int size);
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/**
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* Lookup an interface by name and return its kernel index.
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*
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* @param if_name (IN) Interface name
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* @return Interface index
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*/
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OMPI_DECLSPEC int opal_ifnametoindex(const char* if_name);
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/**
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* Returns the number of available interfaces.
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*/
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OMPI_DECLSPEC int opal_ifcount(void);
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/**
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* Returns the index of the first available interface.
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*/
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OMPI_DECLSPEC int opal_ifbegin(void);
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/**
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* Lookup the current position in the interface list by
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* index and return the next available index (if it exists).
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*
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* @param if_index Returns the next available index from the
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* current position.
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*/
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OMPI_DECLSPEC int opal_ifnext(int if_index);
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/**
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* Lookup an interface by index and return its name.
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*
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* @param if_index (IN) Interface index
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* @param if_name (OUT) Interface name buffer
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* @param size (IN) Interface name buffer size
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*/
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OMPI_DECLSPEC int opal_ifindextoname(int if_index, char* if_name, int);
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/**
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* Lookup an interface by index and return its primary address .
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*
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* @param if_index (IN) Interface index
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* @param if_name (OUT) Interface address buffer
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* @param size (IN) Interface address buffer size
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*/
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OMPI_DECLSPEC int opal_ifindextoaddr(int if_index, struct sockaddr*, int);
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/**
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* Lookup an interface by index and return its network mask.
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*
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* @param if_index (IN) Interface index
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* @param if_name (OUT) Interface address buffer
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* @param size (IN) Interface address buffer size
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*/
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OMPI_DECLSPEC int opal_ifindextomask(int if_index, struct sockaddr*, int);
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/**
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* Determine if given hostname / IP address is a local address
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*
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* @param hostname (IN) Hostname (or stringified IP address)
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* @return true if \c hostname is local, false otherwise
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*/
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OMPI_DECLSPEC bool opal_ifislocal(char *hostname);
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/**
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* Finalize the functions to release malloc'd data
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*
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* @param none
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* @return OMPI_SUCCESS if no problems encountered
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* @return OMPI_ERROR if data could not be released
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*/
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OMPI_DECLSPEC int opal_iffinalize(void);
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif
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