opensim-development – Rev 1
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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.IO;
using System.Reflection;
using log4net;
using Mono.Addins;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.Packets;
using OpenSim.Framework;
using OpenSim.Region.Framework;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.CoreModules.Framework.Statistics.Logging
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "BinaryLoggingModule")]
public class BinaryLoggingModule : INonSharedRegionModule
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected bool m_collectStats;
protected Scene m_scene = null;
public string Name { get { return "Binary Statistics Logging Module"; } }
public Type ReplaceableInterface { get { return null; } }
public void Initialise(IConfigSource source)
{
try
{
IConfig statConfig = source.Configs["Statistics.Binary"];
if (statConfig != null && statConfig.Contains("enabled") && statConfig.GetBoolean("enabled"))
{
if (statConfig.Contains("collect_region_stats"))
{
if (statConfig.GetBoolean("collect_region_stats"))
{
m_collectStats = true;
}
}
if (statConfig.Contains("region_stats_period_seconds"))
{
m_statLogPeriod = TimeSpan.FromSeconds(statConfig.GetInt("region_stats_period_seconds"));
}
if (statConfig.Contains("stats_dir"))
{
m_statsDir = statConfig.GetString("stats_dir");
}
}
}
catch
{
// if it doesn't work, we don't collect anything
}
}
public void AddRegion(Scene scene)
{
m_scene = scene;
}
public void RemoveRegion(Scene scene)
{
}
public void RegionLoaded(Scene scene)
{
if (m_collectStats)
m_scene.StatsReporter.OnSendStatsResult += LogSimStats;
}
public void Close()
{
}
public class StatLogger
{
public DateTime StartTime;
public string Path;
public System.IO.BinaryWriter Log;
}
static StatLogger m_statLog = null;
static TimeSpan m_statLogPeriod = TimeSpan.FromSeconds(300);
static string m_statsDir = String.Empty;
static Object m_statLockObject = new Object();
private void LogSimStats(SimStats stats)
{
SimStatsPacket pack = new SimStatsPacket();
pack.Region = new SimStatsPacket.RegionBlock();
pack.Region.RegionX = stats.RegionX;
pack.Region.RegionY = stats.RegionY;
pack.Region.RegionFlags = stats.RegionFlags;
pack.Region.ObjectCapacity = stats.ObjectCapacity;
//pack.Region = //stats.RegionBlock;
pack.Stat = stats.StatsBlock;
pack.Header.Reliable = false;
// note that we are inside the reporter lock when called
DateTime now = DateTime.Now;
// hide some time information into the packet
pack.Header.Sequence = (uint)now.Ticks;
lock (m_statLockObject) // m_statLog is shared so make sure there is only executer here
{
try
{
if (m_statLog == null || now > m_statLog.StartTime + m_statLogPeriod)
{
// First log file or time has expired, start writing to a new log file
if (m_statLog != null && m_statLog.Log != null)
{
m_statLog.Log.Close();
}
m_statLog = new StatLogger();
m_statLog.StartTime = now;
m_statLog.Path = (m_statsDir.Length > 0 ? m_statsDir + System.IO.Path.DirectorySeparatorChar.ToString() : "")
+ String.Format("stats-{0}.log", now.ToString("yyyyMMddHHmmss"));
m_statLog.Log = new BinaryWriter(File.Open(m_statLog.Path, FileMode.Append, FileAccess.Write));
}
// Write the serialized data to disk
if (m_statLog != null && m_statLog.Log != null)
m_statLog.Log.Write(pack.ToBytes());
}
catch (Exception ex)
{
m_log.Error("statistics gathering failed: " + ex.Message, ex);
if (m_statLog != null && m_statLog.Log != null)
{
m_statLog.Log.Close();
}
m_statLog = null;
}
}
return;
}
}
}