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- /*
- * 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.Text;
- using OpenMetaverse.StructuredData;
- namespace OpenSim.Framework.Monitoring
- {
- public class PercentageStat : Stat
- {
- public long Antecedent { get; set; }
- public long Consequent { get; set; }
- public override double Value
- {
- get
- {
- // Asking for an update here means that the updater cannot access this value without infinite recursion.
- // XXX: A slightly messy but simple solution may be to flick a flag so we can tell if this is being
- // called by the pull action and just return the value.
- if (StatType == StatType.Pull)
- PullAction(this);
- long c = Consequent;
- // Avoid any chance of a multi-threaded divide-by-zero
- if (c == 0)
- return 0;
- return (double)Antecedent / c * 100;
- }
- set
- {
- throw new InvalidOperationException("Cannot set value on a PercentageStat");
- }
- }
- public PercentageStat(
- string shortName,
- string name,
- string description,
- string category,
- string container,
- StatType type,
- Action<Stat> pullAction,
- StatVerbosity verbosity)
- : base(shortName, name, description, "%", category, container, type, pullAction, verbosity) {}
- public override string ToConsoleString()
- {
- StringBuilder sb = new StringBuilder();
- sb.AppendFormat(
- "{0}.{1}.{2} : {3:0.##}{4} ({5}/{6})",
- Category, Container, ShortName, Value, UnitName, Antecedent, Consequent);
- AppendMeasuresOfInterest(sb);
- return sb.ToString();
- }
- // PercentageStat is a basic stat plus percent calc
- public override OSDMap ToOSDMap()
- {
- // Get the foundational instance
- OSDMap map = base.ToOSDMap();
- map["StatType"] = "PercentageStat";
- map.Add("Antecedent", OSD.FromLong(Antecedent));
- map.Add("Consequent", OSD.FromLong(Consequent));
- return map;
- }
- }
- }
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