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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.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);
}
}
}
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