1 files changed, 90 insertions, 0 deletions
diff --git a/SocketHttpListener/CloseEventArgs.cs b/SocketHttpListener/CloseEventArgs.cs
new file mode 100644
index 000000000..b1bb4b196
--- /dev/null
+++ b/SocketHttpListener/CloseEventArgs.cs
@@ -0,0 +1,90 @@
+using System;
+using System.Text;
+
+namespace SocketHttpListener
+{
+  /// <summary>
+  /// Contains the event data associated with a <see cref="WebSocket.OnClose"/> event.
+  /// </summary>
+  /// <remarks>
+  /// A <see cref="WebSocket.OnClose"/> event occurs when the WebSocket connection has been closed.
+  /// If you would like to get the reason for the close, you should access the <see cref="Code"/> or
+  /// <see cref="Reason"/> property.
+  /// </remarks>
+  public class CloseEventArgs : EventArgs
+  {
+    #region Private Fields
+
+    private bool   _clean;
+    private ushort _code;
+    private string _reason;
+
+    #endregion
+
+    #region Internal Constructors
+
+    internal CloseEventArgs (PayloadData payload)
+    {
+      var data = payload.ApplicationData;
+      var len = data.Length;
+      _code = len > 1
+              ? data.SubArray (0, 2).ToUInt16 (ByteOrder.Big)
+              : (ushort) CloseStatusCode.NoStatusCode;
+
+      _reason = len > 2
+                ? GetUtf8String(data.SubArray (2, len - 2))
+                : String.Empty;
+    }
+
+      private string GetUtf8String(byte[] bytes)
+      {
+          return Encoding.UTF8.GetString(bytes, 0, bytes.Length);
+      }
+
+    #endregion
+
+    #region Public Properties
+
+    /// <summary>
+    /// Gets the status code for the close.
+    /// </summary>
+    /// <value>
+    /// A <see cref="ushort"/> that represents the status code for the close if any.
+    /// </value>
+    public ushort Code {
+      get {
+        return _code;
+      }
+    }
+
+    /// <summary>
+    /// Gets the reason for the close.
+    /// </summary>
+    /// <value>
+    /// A <see cref="string"/> that represents the reason for the close if any.
+    /// </value>
+    public string Reason {
+      get {
+        return _reason;
+      }
+    }
+
+    /// <summary>
+    /// Gets a value indicating whether the WebSocket connection has been closed cleanly.
+    /// </summary>
+    /// <value>
+    /// <c>true</c> if the WebSocket connection has been closed cleanly; otherwise, <c>false</c>.
+    /// </value>
+    public bool WasClean {
+      get {
+        return _clean;
+      }
+
+      internal set {
+        _clean = value;
+      }
+    }
+
+    #endregion
+  }
+}