1 files changed, 46 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth.OAuth/OAuthReporting.cs b/src/DotNetOpenAuth.OAuth/OAuthReporting.cs
new file mode 100644
index 0000000..ba4e9a1
--- /dev/null
+++ b/src/DotNetOpenAuth.OAuth/OAuthReporting.cs
@@ -0,0 +1,46 @@
+namespace DotNetOpenAuth {
+	using System;
+	using System.Collections.Generic;
+	using System.Linq;
+	using System.Text;
+	using System.Diagnostics.Contracts;
+	using DotNetOpenAuth.OAuth;
+	using DotNetOpenAuth.OAuth.ChannelElements;
+
+	internal static class OAuthReporting {
+		/// <summary>
+		/// Records the feature and dependency use.
+		/// </summary>
+		/// <param name="value">The consumer or service provider.</param>
+		/// <param name="service">The service.</param>
+		/// <param name="tokenManager">The token manager.</param>
+		/// <param name="nonceStore">The nonce store.</param>
+		internal static void RecordFeatureAndDependencyUse(object value, ServiceProviderDescription service, ITokenManager tokenManager, INonceStore nonceStore) {
+			Contract.Requires(value != null);
+			Contract.Requires(service != null);
+			Contract.Requires(tokenManager != null);
+
+			// In release builds, just quietly return.
+			if (value == null || service == null || tokenManager == null) {
+				return;
+			}
+
+			if (Enabled && Configuration.IncludeFeatureUsage) {
+				StringBuilder builder = new StringBuilder();
+				builder.Append(value.GetType().Name);
+				builder.Append(" ");
+				builder.Append(tokenManager.GetType().Name);
+				if (nonceStore != null) {
+					builder.Append(" ");
+					builder.Append(nonceStore.GetType().Name);
+				}
+				builder.Append(" ");
+				builder.Append(service.Version);
+				builder.Append(" ");
+				builder.Append(service.UserAuthorizationEndpoint);
+				observedFeatures.Add(builder.ToString());
+				Touch();
+			}
+		}
+	}
+}