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using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Threading;
namespace OpenSim.Framework
{
public static class ThreadTracker
{
public static List<ThreadTrackerItem> m_Threads;
public static System.Threading.Thread ThreadTrackerThread;
private static readonly long ThreadTimeout = 30 * 10000000;
static ThreadTracker()
{
#if DEBUG
m_Threads = new List<ThreadTrackerItem>();
ThreadTrackerThread = new Thread(ThreadTrackerThreadLoop);
ThreadTrackerThread.Name = "ThreadTrackerThread";
ThreadTrackerThread.IsBackground = true;
ThreadTrackerThread.Priority = System.Threading.ThreadPriority.BelowNormal;
ThreadTrackerThread.Start();
#endif
}
private static void ThreadTrackerThreadLoop()
{
while (true)
{
Thread.Sleep(5000);
CleanUp();
}
}
public static void Add(System.Threading.Thread thread)
{
#if DEBUG
lock (m_Threads)
{
ThreadTrackerItem tti = new ThreadTrackerItem();
tti.Thread = thread;
tti.LastSeenActive = DateTime.Now.Ticks;
m_Threads.Add(tti);
}
#endif
}
public static void Remove(System.Threading.Thread thread)
{
#if DEBUG
lock (m_Threads)
{
foreach (ThreadTrackerItem tti in new ArrayList(m_Threads))
{
if (tti.Thread == thread)
m_Threads.Remove(tti);
}
}
#endif
}
public static void CleanUp()
{
lock (m_Threads)
{
foreach (ThreadTrackerItem tti in new ArrayList(m_Threads))
{
if (tti.Thread.IsAlive)
{
// Its active
tti.LastSeenActive = DateTime.Now.Ticks;
}
else
{
// Its not active -- if its expired then remove it
if (tti.LastSeenActive + ThreadTimeout < DateTime.Now.Ticks)
m_Threads.Remove(tti);
}
}
}
}
public static List<Thread> GetThreads()
{
if (m_Threads == null)
return null;
List<Thread> threads = new List<Thread>();
lock (m_Threads)
{
foreach (ThreadTrackerItem tti in new ArrayList(m_Threads))
{
threads.Add(tti.Thread);
}
}
return threads;
}
public class ThreadTrackerItem
{
public System.Threading.Thread Thread;
public long LastSeenActive;
}
}
}
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