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60ccc8af25
the user experience of people with broken IPv6 connectivity (i.e. implement Chrome's "Happy Eyeballs" strategy) r=mcmanus
129 lines
4.9 KiB
Plaintext
129 lines
4.9 KiB
Plaintext
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2003
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Gordon Sheridan <gordon@netscape.com>
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* IBM Corp.
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsICancelable;
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interface nsIEventTarget;
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interface nsIDNSRecord;
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interface nsIDNSListener;
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/**
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* nsIDNSService
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*/
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[scriptable, uuid(c1a56a45-8fa3-44e6-9f01-38c91c858cf9)]
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interface nsIDNSService : nsISupports
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{
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/**
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* kicks off an asynchronous host lookup.
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*
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* @param aHostName
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* the hostname or IP-address-literal to resolve.
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* @param aFlags
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* a bitwise OR of the RESOLVE_ prefixed constants defined below.
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* @param aListener
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* the listener to be notified when the result is available.
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* @param aListenerTarget
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* optional parameter (may be null). if non-null, this parameter
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* specifies the nsIEventTarget of the thread on which the
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* listener's onLookupComplete should be called. however, if this
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* parameter is null, then onLookupComplete will be called on an
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* unspecified thread (possibly recursively).
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*
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* @return An object that can be used to cancel the host lookup.
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*/
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nsICancelable asyncResolve(in AUTF8String aHostName,
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in unsigned long aFlags,
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in nsIDNSListener aListener,
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in nsIEventTarget aListenerTarget);
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/**
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* called to synchronously resolve a hostname. warning this method may
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* block the calling thread for a long period of time. it is extremely
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* unwise to call this function on the UI thread of an application.
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*
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* @param aHostName
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* the hostname or IP-address-literal to resolve.
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* @param aFlags
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* a bitwise OR of the RESOLVE_ prefixed constants defined below.
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*
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* @return DNS record corresponding to the given hostname.
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* @throws NS_ERROR_UNKNOWN_HOST if host could not be resolved.
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*/
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nsIDNSRecord resolve(in AUTF8String aHostName,
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in unsigned long aFlags);
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/**
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* @return the hostname of the operating system.
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*/
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readonly attribute AUTF8String myHostName;
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/*************************************************************************
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* Listed below are the various flags that may be OR'd together to form
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* the aFlags parameter passed to asyncResolve() and resolve().
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*/
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/**
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* if set, this flag suppresses the internal DNS lookup cache.
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*/
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const unsigned long RESOLVE_BYPASS_CACHE = (1 << 0);
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/**
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* if set, the canonical name of the specified host will be queried.
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*/
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const unsigned long RESOLVE_CANONICAL_NAME = (1 << 1);
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/**
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* if set, the query is given lower priority. Medium takes precedence
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* if both are used.
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*/
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const unsigned long RESOLVE_PRIORITY_MEDIUM = (1 << 2);
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const unsigned long RESOLVE_PRIORITY_LOW = (1 << 3);
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/**
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* if set, indicates request is speculative. Speculative requests
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* return errors if prefetching is disabled by configuration.
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*/
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const unsigned long RESOLVE_SPECULATE = (1 << 4);
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/**
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* If set, only IPv4 addresses will be returned from resolve/asyncResolve.
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*/
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const unsigned long RESOLVE_DISABLE_IPV6 = (1 << 5);
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};
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