Move ResourcePool to common

MediaBrowser.Common/Kernel/ResourcePool.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Threading;
+
+namespace MediaBrowser.Common.Kernel
+{
+    /// <summary>
+    /// This is just a collection of semaphores to control the number of concurrent executions of various resources
+    /// </summary>
+    public class ResourcePool : IDisposable
+    {
+        /// <summary>
+        /// You tube
+        /// </summary>
+        public readonly SemaphoreSlim YouTube = new SemaphoreSlim(5, 5);
+
+        /// <summary>
+        /// The trakt
+        /// </summary>
+        public readonly SemaphoreSlim Trakt = new SemaphoreSlim(5, 5);
+
+        /// <summary>
+        /// The tv db
+        /// </summary>
+        public readonly SemaphoreSlim TvDb = new SemaphoreSlim(5, 5);
+
+        /// <summary>
+        /// The movie db
+        /// </summary>
+        public readonly SemaphoreSlim MovieDb = new SemaphoreSlim(5, 5);
+
+        /// <summary>
+        /// The fan art
+        /// </summary>
+        public readonly SemaphoreSlim FanArt = new SemaphoreSlim(5, 5);
+
+        /// <summary>
+        /// The mb
+        /// </summary>
+        public readonly SemaphoreSlim Mb = new SemaphoreSlim(5, 5);
+
+        /// <summary>
+        /// Apple doesn't seem to like too many simulataneous requests.
+        /// </summary>
+        public readonly SemaphoreSlim AppleTrailerVideos = new SemaphoreSlim(1, 1);
+
+        /// <summary>
+        /// The apple trailer images
+        /// </summary>
+        public readonly SemaphoreSlim AppleTrailerImages = new SemaphoreSlim(1, 1);
+        
+        /// <summary>
+        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
+        /// </summary>
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+
+        /// <summary>
+        /// Releases unmanaged and - optionally - managed resources.
+        /// </summary>
+        /// <param name="dispose"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
+        protected virtual void Dispose(bool dispose)
+        {
+            if (dispose)
+            {
+                YouTube.Dispose();
+                Trakt.Dispose();
+                TvDb.Dispose();
+                MovieDb.Dispose();
+                FanArt.Dispose();
+                Mb.Dispose();
+                AppleTrailerVideos.Dispose();
+                AppleTrailerImages.Dispose();
+            }
+        }
+    }
+}