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Tweaking WCF to build highly scalable async REST API

, 31 Jul 2011 CPOL
You can build async REST API using WCF but due to some bug in WCF implementation it does not scale as you would want it to. Here's my journey with Microsoft's WCF team to explore the problem and find the right fix.
namespace AsyncServiceLibrary
{
    using System;
    using System.Threading;
    
    public class CompletedHttpAsyncResult : IAsyncResult
    {
        object state;
        public CompletedHttpAsyncResult(AsyncCallback callback, object state)
        {
            this.state = state;
            if (callback != null)
            {
                callback(this);
            }
        }

        public static void End(IAsyncResult result)
        {
        }

        public object AsyncState
        {
            get { return this.state; }
        }

        public WaitHandle AsyncWaitHandle
        {
            get { throw new NotImplementedException(); }
        }

        public bool CompletedSynchronously
        {
            get { return true; }
        }

        public bool IsCompleted
        {
            get { return true; }
        }
    }
}

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