gistfile1.cs

namespace RequestFilterTest
{
    using System;
    using Funq;
    using ServiceStack;
    using ServiceStack.Text;
    using ServiceStack.Web;

    // simple app host with a global request filter
    public class AppHost : AppSelfHostBase
    {
        public AppHost() : base("RequestFilterTest", typeof (AppHost).Assembly) { }

        public override void Configure(Container container)
        {
            GlobalRequestFilters.Add((req, res, dto) => "GlobalFilter".Print());
        }
    }

    // simple request filter attribute
    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = false)]
    public class TestFilterAttribute : RequestFilterAttribute
    {
        public override void Execute(IRequest req, IResponse res, object requestDto)
        {
            "AttributeFilter".Print();
        }
    }

    // dtos for two test services
    [Route("/test/class", "GET")]
    public class ClassAttrRequest : IReturnVoid { }

    [Route("/test/method", "GET")]
    public class MethodAttrRequest : IReturnVoid { }

    // service class with testfilter at class level
    [TestFilter(Priority = -100)]
    public class ClassAttrService : Service
    {
        public void Get(ClassAttrRequest request) { }
    }

    // service class with testfilter at method level
    public class MethodFilterService : Service
    {
        [TestFilter(Priority = -100)]
        public void Get(MethodAttrRequest request) { }
    }

    class Program
    {
        static void Main(string[] args)
        {
            new AppHost().Init().Start("http://*:9090/");
            "ServiceStack SelfHost listening on port 9090".Print();

            var client = new JsonServiceClient(string.Format("http://{0}:9090", Environment.MachineName));

            // we expect AttributeFilter to output before GlobalFilter on both tests since Priority is < 0

            "\nFilter execution order with class attribute:".Print();
            client.Get<IReturnVoid>("/test/class"); // this works as expected

            "\nFilter execution order with method attribute:".Print();
            client.Get<IReturnVoid>("/test/method"); // this does not

            Console.ReadLine();
        }
    }
}