bionic/libc/private/resolv_iface.h

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/*
* Copyright (C) 2011 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _RESOLV_IFACE_H
#define _RESOLV_IFACE_H
/* This header contains declarations related to per-interface DNS
* server selection. They are used by system/netd/ and should not be
* exposed by the C library's public NDK headers.
*
* NOTE: <resolv.h> contains the same declarations, this will be removed
* when we change system/netd to use this header instead.
*/
#include <sys/cdefs.h>
#include <netinet/in.h>
__BEGIN_DECLS
/* Use a guard macro until we remove the same definitions from <resolv.h> */
#ifndef _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED
#define _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED
/* Set name of default interface */
extern void _resolv_set_default_iface(const char* ifname);
/* set name servers for an interface */
extern void _resolv_set_nameservers_for_iface(const char* ifname, char** servers, int numservers,
const char *domains);
/* tell resolver of the address of an interface */
extern void _resolv_set_addr_of_iface(const char* ifname, struct in_addr* addr);
/* flush the cache associated with the default interface */
extern void _resolv_flush_cache_for_default_iface();
/* flush the cache associated with a certain interface */
extern void _resolv_flush_cache_for_iface(const char* ifname);
#endif /* _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED */
__END_DECLS
#endif /* _RESOLV_IFACE_H */