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