//
// Authors:
//   Alan McGovern alan.mcgovern@gmail.com
//   Ben Motmans <ben.motmans@gmail.com>
//
// Copyright (C) 2006 Alan McGovern
// Copyright (C) 2007 Ben Motmans
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;

namespace Mono.Nat
{
	public interface INatDevice
	{
		void CreatePortMap (Mapping mapping);
		void DeletePortMap (Mapping mapping);
		
		IPAddress LocalAddress { get; }
		Mapping[] GetAllMappings ();
		IPAddress GetExternalIP ();
		Mapping GetSpecificMapping (Protocol protocol, int port);

		IAsyncResult BeginCreatePortMap (Mapping mapping, AsyncCallback callback, object asyncState);
		IAsyncResult BeginDeletePortMap (Mapping mapping, AsyncCallback callback, object asyncState);

		IAsyncResult BeginGetAllMappings (AsyncCallback callback, object asyncState);
		IAsyncResult BeginGetExternalIP (AsyncCallback callback, object asyncState);
		IAsyncResult BeginGetSpecificMapping (Protocol protocol, int externalPort, AsyncCallback callback, object asyncState);

		void EndCreatePortMap (IAsyncResult result);
		void EndDeletePortMap (IAsyncResult result);

		Mapping[] EndGetAllMappings (IAsyncResult result);
		IPAddress EndGetExternalIP (IAsyncResult result);
		Mapping EndGetSpecificMapping (IAsyncResult result);

		DateTime LastSeen { get; set; }
	}
}