/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.0 (the "NPL"); you may not use this file except in
 * compliance with the NPL.  You may obtain a copy of the NPL at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the NPL is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
 * for the specific language governing rights and limitations under the
 * NPL.
 *
 * The Initial Developer of this code under the NPL is Netscape
 * Communications Corporation.  Portions created by Netscape are
 * Copyright (C) 1999 Netscape Communications Corporation.  All Rights
 * Reserved.
 */

#ifndef nsIDnsListener_h___
#define nsIDnsListener_h___

#include "nsISupports.h"
#include "prnetdb.h"

class nsIChannel;

typedef struct nsHostEnt
{
	PRHostEnt	hostEnt;
	char 		buffer[PR_NETDB_BUF_SIZE];
} nsHostEnt;


#define NS_IDNSLISTENER_IID                          \
{ /* 718e7c82-f8b8-11d2-b951-c80918051d3c */         \
    0x718e7c82,                                      \
    0xf8b8,                                          \
    0x11d2,                                          \
    { 0xb9, 0x51, 0xc8, 0x09, 0x18, 0x05, 0x1d, 0x3c } \
}


class nsIDnsListener : nsISupports
{
public:
    NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDNSLISTENER_IID);
 
 
    /**
     * Notify the listener that we are about to lookup the requested hostname.
     */
    NS_IMETHOD OnStartLookup(const char* hostname) = 0;
 
 
    /**
     * Notify the listener that we have found one or more addresses for the hostname.
     */
    NS_IMETHOD OnFound(const char* hostname, nsHostEnt* entry) = 0;
 
 
    /**
     * Notify the listener that we the lookup has completed.
     */
    NS_IMETHOD OnStopLookup(const char* hostname) = 0;
};



////////////////////////////////////////////////////////////////////////////////

#endif /* nsIDnsListener_h___ */