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68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef netwerk_dns_GetAddrInfo_h
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#define netwerk_dns_GetAddrInfo_h
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#include "nsError.h"
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#include "nscore.h"
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#if defined(XP_WIN) && !defined(RELEASE_BUILD)
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#define DNSQUERY_AVAILABLE 1
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#define TTL_AVAILABLE 1
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#else
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#define DNSQUERY_AVAILABLE 0
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#define TTL_AVAILABLE 0
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#endif
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namespace mozilla {
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namespace net {
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class AddrInfo;
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/**
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* Look up a host by name. Mostly equivalent to getaddrinfo(host, NULL, ...) of
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* RFC 3493.
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*
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* @param aHost[in] Character string defining the host name of interest
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* @param aAddressFamily[in] May be AF_INET, AF_INET6, or AF_UNSPEC.
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* @param aFlags[in] May be either PR_AI_ADDRCONFIG or
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* PR_AI_ADDRCONFIG | PR_AI_NOCANONNAME. Include PR_AI_NOCANONNAME to
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* suppress the determination of the canonical name corresponding to
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* hostname (PR_AI_NOCANONNAME will be ignored if the TTL is retrieved).
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* @param aAddrInfo[out] Will point to the results of the host lookup, or be
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* null if the lookup failed.
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* @param aGetTtl[in] If true, and TTL_AVAILABLE is truthy, the TTL will be
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* retrieved if DNS provides the answers..
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*/
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nsresult
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GetAddrInfo(const char* aHost, uint16_t aAddressFamily, uint16_t aFlags,
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AddrInfo** aAddrInfo, bool aGetTtl);
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/**
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* Initialize the GetAddrInfo module.
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*
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* GetAddrInfoShutdown() should be called for every time this function is
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* called.
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*/
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nsresult
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GetAddrInfoInit();
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/**
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* Shutdown the GetAddrInfo module.
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*
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* This function should be called for every time GetAddrInfoInit() is called.
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* An assertion may throw (but is not guarenteed) if this function is called
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* too many times.
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*/
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nsresult
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GetAddrInfoShutdown();
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} // namespace net
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} // namespace mozilla
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#endif // netwerk_dns_GetAddrInfo_h
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