// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
 
using System.Threading.Tasks;
 
namespace System.ServiceModel
{
    public interface ICommunicationObject
    {
        CommunicationState State { get; }
 
        event EventHandler Closed;
        event EventHandler Closing;
        event EventHandler Faulted;
        event EventHandler Opened;
        event EventHandler Opening;
 
        void Abort();
 
        void Close();
        void Close(TimeSpan timeout);
        IAsyncResult BeginClose(AsyncCallback callback, object state);
        IAsyncResult BeginClose(TimeSpan timeout, AsyncCallback callback, object state);
        void EndClose(IAsyncResult result);
 
        void Open();
        void Open(TimeSpan timeout);
        IAsyncResult BeginOpen(AsyncCallback callback, object state);
        IAsyncResult BeginOpen(TimeSpan timeout, AsyncCallback callback, object state);
        void EndOpen(IAsyncResult result);
    }
 
    public interface IAsyncCommunicationObject : ICommunicationObject
    {
        Task CloseAsync(TimeSpan timeout);
        Task OpenAsync(TimeSpan timeout);
    }
}