23d3e6b21b
Initial commit for dns cache per interface. Added a type that holds a reference to a cache and name of associated interface, address of interface, name server(s) associated with an interface etc. New functions to set default interface, address of name servers etc. Change-Id: Ie991bc5592fd998409853d8bf77d7fe69035dac5
70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _RESOLV_H_
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#define _RESOLV_H_
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/cdefs.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <arpa/nameser.h>
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#include <netinet/in.h>
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__BEGIN_DECLS
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struct res_state;
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extern struct __res_state *__res_state(void);
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#define _res (*__res_state())
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/* Base-64 functions - because some code expects it there */
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#define b64_ntop __b64_ntop
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#define b64_pton __b64_pton
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extern int b64_ntop(u_char const *, size_t, char *, size_t);
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extern int b64_pton(char const *, u_char *, size_t);
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/* Set name of default interface */
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extern void _resolv_set_default_iface(const char* ifname);
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/* set name servers for an interface */
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extern void _resolv_set_nameservers_for_iface(const char* ifname, char** servers, int numservers);
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/* tell resolver of the address of an interface */
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extern void _resolv_set_addr_of_iface(const char* ifname, struct in_addr* addr);
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/* flush the cache associated with the default interface */
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extern void _resolv_flush_cache_for_default_iface();
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/* flush the cache associated with a certain interface */
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extern void _resolv_flush_cache_for_iface(const char* ifname);
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__END_DECLS
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#endif /* _RESOLV_H_ */
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