/* * 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.Collections.Generic; using System.Linq; using System.Text; using OpenMetaverse.StructuredData; namespace OpenSim.Framework.Monitoring { // A statistic that wraps a counter. // Built this way mostly so histograms and history can be created. public class CounterStat : Stat { private SortedDictionary<string, EventHistogram> m_histograms; private object counterLock = new object(); public CounterStat( string shortName, string name, string description, string unitName, string category, string container, StatVerbosity verbosity) : base(shortName, name, description, unitName, category, container, StatType.Push, null, verbosity) { m_histograms = new SortedDictionary<string, EventHistogram>(); } // Histograms are presumably added at intialization time and the list does not change thereafter. // Thus no locking of the histogram list. public void AddHistogram(string histoName, EventHistogram histo) { m_histograms.Add(histoName, histo); } public delegate void ProcessHistogram(string name, EventHistogram histo); public void ForEachHistogram(ProcessHistogram process) { foreach (KeyValuePair<string, EventHistogram> kvp in m_histograms) { process(kvp.Key, kvp.Value); } } public void Event() { this.Event(1); } // Count the underlying counter. public void Event(int cnt) { lock (counterLock) { base.Value += cnt; foreach (EventHistogram histo in m_histograms.Values) { histo.Event(cnt); } } } // CounterStat is a basic stat plus histograms public override OSDMap ToOSDMap() { // Get the foundational instance OSDMap map = base.ToOSDMap(); map["StatType"] = "CounterStat"; // If there are any histograms, add a new field that is an array of histograms as OSDMaps if (m_histograms.Count > 0) { lock (counterLock) { if (m_histograms.Count > 0) { OSDArray histos = new OSDArray(); foreach (EventHistogram histo in m_histograms.Values) { histos.Add(histo.GetHistogramAsOSDMap()); } map.Add("Histograms", histos); } } } return map; } } }