1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #ifndef _RESOLV_IFACE_H 29 #define _RESOLV_IFACE_H 30 31 /* This header contains declarations related to per-interface DNS 32 * server selection. They are used by system/netd/ and should not be 33 * exposed by the C library's public NDK headers. 34 * 35 * NOTE: <resolv.h> contains the same declarations, this will be removed 36 * when we change system/netd to use this header instead. 37 */ 38 #include <sys/cdefs.h> 39 #include <netinet/in.h> 40 41 __BEGIN_DECLS 42 43 /* Use a guard macro until we remove the same definitions from <resolv.h> */ 44 #ifndef _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED 45 #define _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED 46 47 /* Set name of default interface */ 48 extern void _resolv_set_default_iface(const char* ifname); 49 50 /* set name servers for an interface */ 51 extern void _resolv_set_nameservers_for_iface(const char* ifname, char** servers, int numservers); 52 53 /* tell resolver of the address of an interface */ 54 extern void _resolv_set_addr_of_iface(const char* ifname, struct in_addr* addr); 55 56 /* flush the cache associated with the default interface */ 57 extern void _resolv_flush_cache_for_default_iface(); 58 59 /* flush the cache associated with a certain interface */ 60 extern void _resolv_flush_cache_for_iface(const char* ifname); 61 62 #endif /* _BIONIC_RESOLV_IFACE_FUNCTIONS_DECLARED */ 63 64 __END_DECLS 65 66 #endif /* _RESOLV_IFACE_H */ 67