added ability to track web sockets per session

MediaBrowser.Model/Session/SessionInfo.cs

@@ -0,0 +1,59 @@
+using MediaBrowser.Model.Entities;
+using System;
+
+namespace MediaBrowser.Model.Session
+{
+    /// <summary>
+    /// Class SessionInfo
+    /// </summary>
+    public class SessionInfo
+    {
+        /// <summary>
+        /// Gets or sets the id.
+        /// </summary>
+        /// <value>The id.</value>
+        public Guid Id { get; set; }
+
+        /// <summary>
+        /// Gets or sets the user id.
+        /// </summary>
+        /// <value>The user id.</value>
+        public string UserId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the type of the client.
+        /// </summary>
+        /// <value>The type of the client.</value>
+        public string Client { get; set; }
+
+        /// <summary>
+        /// Gets or sets the last activity date.
+        /// </summary>
+        /// <value>The last activity date.</value>
+        public DateTime LastActivityDate { get; set; }
+
+        /// <summary>
+        /// Gets or sets the name of the device.
+        /// </summary>
+        /// <value>The name of the device.</value>
+        public string DeviceName { get; set; }
+
+        /// <summary>
+        /// Gets or sets the now playing item.
+        /// </summary>
+        /// <value>The now playing item.</value>
+        public BaseItemInfo NowPlayingItem { get; set; }
+
+        /// <summary>
+        /// Gets or sets the now playing position ticks.
+        /// </summary>
+        /// <value>The now playing position ticks.</value>
+        public long? NowPlayingPositionTicks { get; set; }
+
+        /// <summary>
+        /// Gets or sets the device id.
+        /// </summary>
+        /// <value>The device id.</value>
+        public string DeviceId { get; set; }
+    }
+}