gecko-dev/netwerk/dns/nsIDNSService.idl

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/* 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/. */
#include "nsISupports.idl"
%{ C++
#include "mozilla/BasePrincipal.h"
%}
interface nsICancelable;
interface nsIEventTarget;
interface nsIDNSRecord;
interface nsIDNSListener;
%{C++
#include "nsTArrayForwardDeclare.h"
namespace mozilla { namespace net {
struct DNSCacheEntries;
} }
%}
[ptr] native EntriesArray(nsTArray<mozilla::net::DNSCacheEntries>);
[ref] native OriginAttributes(const mozilla::OriginAttributes);
/**
* nsIDNSService
*/
[scriptable, uuid(de5642c6-61fc-4fcf-9a47-03226b0d4e21)]
interface nsIDNSService : nsISupports
{
/**
* kicks off an asynchronous host lookup.
*
* @param aHostName
* the hostname or IP-address-literal to resolve.
* @param aFlags
* a bitwise OR of the RESOLVE_ prefixed constants defined below.
* @param aListener
* the listener to be notified when the result is available.
* @param aListenerTarget
* optional parameter (may be null). if non-null, this parameter
* specifies the nsIEventTarget of the thread on which the
* listener's onLookupComplete should be called. however, if this
* parameter is null, then onLookupComplete will be called on an
* unspecified thread (possibly recursively).
* @param aOriginAttributes
* the originAttribute for this resolving, the DNS cache will be
* separated according to this originAttributes. This attribute is
* optional to avoid breaking add-ons.
*
* @return An object that can be used to cancel the host lookup.
*/
[implicit_jscontext, optional_argc]
nsICancelable asyncResolve(in AUTF8String aHostName,
in unsigned long aFlags,
in nsIDNSListener aListener,
in nsIEventTarget aListenerTarget,
[optional] in jsval aOriginAttributes);
[notxpcom]
nsresult asyncResolveNative(in AUTF8String aHostName,
in unsigned long aFlags,
in nsIDNSListener aListener,
in nsIEventTarget aListenerTarget,
in OriginAttributes aOriginAttributes,
out nsICancelable aResult);
/**
* Attempts to cancel a previously requested async DNS lookup
*
* @param aHostName
* the hostname or IP-address-literal to resolve.
* @param aFlags
* a bitwise OR of the RESOLVE_ prefixed constants defined below.
* @param aListener
* the original listener which was to be notified about the host lookup
* result - used to match request information to requestor.
* @param aReason
* nsresult reason for the cancellation
* @param aOriginAttributes
* the originAttribute for this resolving. This attribute is optional
* to avoid breaking add-ons.
*
* @return An object that can be used to cancel the host lookup.
*/
[implicit_jscontext, optional_argc]
void cancelAsyncResolve(in AUTF8String aHostName,
in unsigned long aFlags,
in nsIDNSListener aListener,
in nsresult aReason,
[optional] in jsval aOriginAttributes);
[notxpcom]
nsresult cancelAsyncResolveNative(in AUTF8String aHostName,
in unsigned long aFlags,
in nsIDNSListener aListener,
in nsresult aReason,
in OriginAttributes aOriginAttributes);
/**
* called to synchronously resolve a hostname.
*
* Since this method may block the calling thread for a long period of
* time, it may not be accessed from the main thread.
*
* @param aHostName
* the hostname or IP-address-literal to resolve.
* @param aFlags
* a bitwise OR of the RESOLVE_ prefixed constants defined below.
* @param aOriginAttributes
* the originAttribute for this resolving, the DNS cache will be
* separated according to this originAttributes. This attribute is
* optional to avoid breaking add-ons.
*
* @return DNS record corresponding to the given hostname.
* @throws NS_ERROR_UNKNOWN_HOST if host could not be resolved.
* @throws NS_ERROR_NOT_AVAILABLE if accessed from the main thread.
*/
[implicit_jscontext, optional_argc]
nsIDNSRecord resolve(in AUTF8String aHostName,
in unsigned long aFlags,
[optional] in jsval aOriginAttributes);
[notxpcom]
nsresult resolveNative(in AUTF8String aHostName,
in unsigned long aFlags,
in OriginAttributes aOriginAttributes,
out nsIDNSRecord aResult);
/**
* kicks off an asynchronous host lookup.
*
* This function is identical to asyncResolve except an additional
* parameter aNetwortInterface. If parameter aNetworkInterface is an empty
* string function will return the same result as asyncResolve.
* Setting aNetworkInterface is deprecated.
*/
[implicit_jscontext, optional_argc]
nsICancelable asyncResolveExtended(in AUTF8String aHostName,
in unsigned long aFlags,
in AUTF8String aNetworkInterface,
in nsIDNSListener aListener,
in nsIEventTarget aListenerTarget,
[optional] in jsval aOriginAttributes);
[notxpcom]
nsresult asyncResolveExtendedNative(in AUTF8String aHostName,
in unsigned long aFlags,
in AUTF8String aNetworkInterface,
in nsIDNSListener aListener,
in nsIEventTarget aListenerTarget,
in OriginAttributes aOriginAttributes,
out nsICancelable aResult);
/**
* Attempts to cancel a previously requested async DNS lookup
* This is an extended versin with a additional parameter aNetworkInterface
*/
[implicit_jscontext, optional_argc]
void cancelAsyncResolveExtended(in AUTF8String aHostName,
in unsigned long aFlags,
in AUTF8String aNetworkInterface,
in nsIDNSListener aListener,
in nsresult aReason,
[optional] in jsval aOriginAttributes);
[notxpcom]
nsresult cancelAsyncResolveExtendedNative(in AUTF8String aHostName,
in unsigned long aFlags,
in AUTF8String aNetworkInterface,
in nsIDNSListener aListener,
in nsresult aReason,
in OriginAttributes aOriginAttributes);
/**
* The method takes a pointer to an nsTArray
* and fills it with cache entry data
* Called by the networking dashboard
*/
[noscript] void getDNSCacheEntries(in EntriesArray args);
/**
* @return the hostname of the operating system.
*/
readonly attribute AUTF8String myHostName;
/*************************************************************************
* Listed below are the various flags that may be OR'd together to form
* the aFlags parameter passed to asyncResolve() and resolve().
*/
/**
* if set, this flag suppresses the internal DNS lookup cache.
*/
const unsigned long RESOLVE_BYPASS_CACHE = (1 << 0);
/**
* if set, the canonical name of the specified host will be queried.
*/
const unsigned long RESOLVE_CANONICAL_NAME = (1 << 1);
/**
* if set, the query is given lower priority. Medium takes precedence
* if both are used.
*/
const unsigned long RESOLVE_PRIORITY_MEDIUM = (1 << 2);
const unsigned long RESOLVE_PRIORITY_LOW = (1 << 3);
/**
* if set, indicates request is speculative. Speculative requests
* return errors if prefetching is disabled by configuration.
*/
const unsigned long RESOLVE_SPECULATE = (1 << 4);
/**
* If set, only IPv4 addresses will be returned from resolve/asyncResolve.
*/
const unsigned long RESOLVE_DISABLE_IPV6 = (1 << 5);
/**
* If set, only literals and cached entries will be returned from resolve/
* asyncResolve.
*/
const unsigned long RESOLVE_OFFLINE = (1 << 6);
/**
* If set, only IPv6 addresses will be returned from resolve/asyncResolve.
*/
const unsigned long RESOLVE_DISABLE_IPV4 = (1 << 7);
/**
* If set, allow name collision results (127.0.53.53) which are normally filtered.
*/
const unsigned long RESOLVE_ALLOW_NAME_COLLISION = (1 << 8);
};