1 files changed, 96 insertions, 0 deletions
diff --git a/SocketHttpListener/MessageEventArgs.cs b/SocketHttpListener/MessageEventArgs.cs
new file mode 100644
index 000000000..9dbadb9ab
--- /dev/null
+++ b/SocketHttpListener/MessageEventArgs.cs
@@ -0,0 +1,96 @@
+using System;
+using System.Text;
+
+namespace SocketHttpListener
+{
+  /// <summary>
+  /// Contains the event data associated with a <see cref="WebSocket.OnMessage"/> event.
+  /// </summary>
+  /// <remarks>
+  /// A <see cref="WebSocket.OnMessage"/> event occurs when the <see cref="WebSocket"/> receives
+  /// a text or binary data frame.
+  /// If you want to get the received data, you access the <see cref="MessageEventArgs.Data"/> or
+  /// <see cref="MessageEventArgs.RawData"/> property.
+  /// </remarks>
+  public class MessageEventArgs : EventArgs
+  {
+    #region Private Fields
+
+    private string _data;
+    private Opcode _opcode;
+    private byte[] _rawData;
+
+    #endregion
+
+    #region Internal Constructors
+
+    internal MessageEventArgs (Opcode opcode, byte[] data)
+    {
+      _opcode = opcode;
+      _rawData = data;
+      _data = convertToString (opcode, data);
+    }
+
+    internal MessageEventArgs (Opcode opcode, PayloadData payload)
+    {
+      _opcode = opcode;
+      _rawData = payload.ApplicationData;
+      _data = convertToString (opcode, _rawData);
+    }
+
+    #endregion
+
+    #region Public Properties
+
+    /// <summary>
+    /// Gets the received data as a <see cref="string"/>.
+    /// </summary>
+    /// <value>
+    /// A <see cref="string"/> that contains the received data.
+    /// </value>
+    public string Data {
+      get {
+        return _data;
+      }
+    }
+
+    /// <summary>
+    /// Gets the received data as an array of <see cref="byte"/>.
+    /// </summary>
+    /// <value>
+    /// An array of <see cref="byte"/> that contains the received data.
+    /// </value>
+    public byte [] RawData {
+      get {
+        return _rawData;
+      }
+    }
+
+    /// <summary>
+    /// Gets the type of the received data.
+    /// </summary>
+    /// <value>
+    /// One of the <see cref="Opcode"/> values, indicates the type of the received data.
+    /// </value>
+    public Opcode Type {
+      get {
+        return _opcode;
+      }
+    }
+
+    #endregion
+
+    #region Private Methods
+
+    private static string convertToString (Opcode opcode, byte [] data)
+    {
+      return data.Length == 0
+             ? String.Empty
+             : opcode == Opcode.Text
+               ? Encoding.UTF8.GetString (data, 0, data.Length)
+               : opcode.ToString ();
+    }
+
+    #endregion
+  }
+}