Q&D MongoDB logging

LoggingExample.cs

using System;
using System.Diagnostics;
using MongoDB.Driver;

namespace MongoDbLogging
{
    class Program
    {
        private static bool g_logCalls;

        static void Main( string[] args )
        {
            //g_logCalls = Convert.ToBoolean( ConfigurationManager.AppSettings["LogCalls"] ?? "false" );
            g_logCalls = true;

            var program = new Program();
            program.DoSomeThing( "123", new SomeComplexParam { Param1 = "111" } );
        }

        public SomeResult DoSomeThing( string someSimpleParam, SomeComplexParam complexParam )
        {
            return Execute(
                 "DoSomeThing",
                 new { someSimpleParam, complexParam },
                 () =>
                 {
                     //Do stuff. 
                     //So all methods wrapped with the Execute method
                     return new SomeResult { Value = 10 };
                 } );
        }



        private T Execute<T>( string method, object parameters, Func<T> action )
        {
            Exception exception = null;
            T response = default( T );
            TimeSpan? elapsed = null;

            try
            {
                var timer = new Stopwatch();
                timer.Start();
                response = action();
                timer.Stop();
                elapsed = timer.Elapsed;
            }
            catch( Exception ex )
            {
                exception = ex;
            }

            if( g_logCalls )
            {
                string con = "mongodb://localhost:27017";
                var server = MongoServer.Create( con );

                MongoDatabase db = server["logging"];
                MongoCollection coll = db["webServiceLog"];

                coll.Insert( new
                {
                    At = DateTime.Now,
                    Method = method,
                    Duration = elapsed,
                    Parameters = parameters,
                    Response = response,
                    Exception = exception != null ? exception.ToString() : null
                } );
            }

            if( exception != null )
            {
               throw exception;
            }

            return response;
        }

    }

    internal class SomeResult
    {
        public int Value { get; set; }
    }

    internal class SomeComplexParam
    {
        public string Param1 { get; set; }
    }
}