Rename OpenSim.Framework.Statistics to OpenSim.Framework.Monitoring.

This better reflects the long-term purpose of that project and matches Monitoring modules.

OpenSim/Framework/Monitoring/AssetStatsCollector.cs

@@ -0,0 +1,104 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Timers;
+
+namespace OpenSim.Framework.Monitoring
+{
+    /// <summary>
+    /// Asset service statistics collection
+    /// </summary>
+    public class AssetStatsCollector : BaseStatsCollector
+    {
+        private Timer ageStatsTimer = new Timer(24 * 60 * 60 * 1000);
+        private DateTime startTime = DateTime.Now;
+
+        private long assetRequestsToday;
+        private long assetRequestsNotFoundToday;
+        private long assetRequestsYesterday;
+        private long assetRequestsNotFoundYesterday;
+
+        public long AssetRequestsToday { get { return assetRequestsToday; } }
+        public long AssetRequestsNotFoundToday { get { return assetRequestsNotFoundToday; } }
+        public long AssetRequestsYesterday { get { return assetRequestsYesterday; } }
+        public long AssetRequestsNotFoundYesterday { get { return assetRequestsNotFoundYesterday; } }
+
+        public AssetStatsCollector()
+        {
+            ageStatsTimer.Elapsed += new ElapsedEventHandler(OnAgeing);
+            ageStatsTimer.Enabled = true;
+        }
+
+        private void OnAgeing(object source, ElapsedEventArgs e)
+        {
+            assetRequestsYesterday = assetRequestsToday;
+
+            // There is a possibility that an asset request could occur between the execution of these
+            // two statements.  But we're better off without the synchronization overhead.
+            assetRequestsToday = 0;
+
+            assetRequestsNotFoundYesterday = assetRequestsNotFoundToday;
+            assetRequestsNotFoundToday = 0;
+        }
+
+        /// <summary>
+        /// Record that an asset request failed to find an asset
+        /// </summary>
+        public void AddNotFoundRequest()
+        {
+            assetRequestsNotFoundToday++;
+        }
+
+        /// <summary>
+        /// Record that a request was made to the asset server
+        /// </summary>
+        public void AddRequest()
+        {
+            assetRequestsToday++;
+        }
+
+        /// <summary>
+        /// Report back collected statistical information.
+        /// </summary>
+        /// <returns></returns>
+        override public string Report()
+        {
+            double elapsedHours = (DateTime.Now - startTime).TotalHours;
+            if (elapsedHours <= 0) { elapsedHours = 1; }  // prevent divide by zero
+
+            long assetRequestsTodayPerHour = (long)Math.Round(AssetRequestsToday / elapsedHours);
+            long assetRequestsYesterdayPerHour = (long)Math.Round(AssetRequestsYesterday / 24.0);
+
+            return string.Format(
+@"Asset requests today     : {0}  ({1} per hour)  of which {2} were not found
+Asset requests yesterday : {3}  ({4} per hour)  of which {5} were not found",
+                AssetRequestsToday, assetRequestsTodayPerHour, AssetRequestsNotFoundToday,
+                AssetRequestsYesterday, assetRequestsYesterdayPerHour, AssetRequestsNotFoundYesterday);
+        }
+    }
+}