/* * 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 OpenSim 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.Text; using System.Timers; namespace OpenSim.Framework.Statistics { /// <summary> /// Collects and reports information on the requests made to the asset server /// </summary> public class AssetStatsReporter { 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 AssetStatsReporter() { 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> 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); } } }