///////////////////////////////////////////////////////////////////////////////
//
//  Copyright (c) Microsoft Corporation.  All rights reserved.
//

using System;
using System.Collections;
using Microsoft.SingSharp;
using Microsoft.Singularity;
using Microsoft.Singularity.Directory;
using Microsoft.Singularity.Channels;

namespace Microsoft.Singularity.FileSystem {
	public contract Iso9660ServiceControlContract : ServiceContract {
		
		in message Initialize(char[] in ExHeap device);
		out message AckInitialize();
		out message NackInitialize();

		in message Mount(char[] in ExHeap location);
		out message AckMount();
		out message NackMount();
		
		in message Unmount();
		out message AckUnmount();
		out message NackUnmount();
		
		out message Success();
		
		override state Start : one {
			Success! -> Ready;
		}
		
		state Ready : one {
		    Initialize? -> (AckInitialize! or NackInitialize!) -> Ready;
		    Mount? -> (AckMount! or NackMount!) -> Ready;
		    Unmount? -> (AckUnmount! or NackUnmount!) -> Ready;
		}
	}
}