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package com.earth2me.essentials.anticheat.debug;
import com.earth2me.essentials.anticheat.NoCheat;
import org.bukkit.World;
/**
* A task running in the background that measures tick time vs. real time
*
*/
public class LagMeasureTask implements Runnable
{
private int ingameseconds = 1;
private long lastIngamesecondTime = System.currentTimeMillis();
private long lastIngamesecondDuration = 2000L;
private boolean skipCheck = false;
private int lagMeasureTaskId = -1;
private final NoCheat plugin;
public LagMeasureTask(NoCheat plugin)
{
this.plugin = plugin;
}
public void start()
{
// start measuring with a delay of 10 seconds
lagMeasureTaskId = plugin.getServer().getScheduler().scheduleSyncRepeatingTask(plugin, this, 20, 20);
}
public void run()
{
try
{
boolean oldStatus = skipCheck;
// If the previous second took to long, skip checks during
// this second
skipCheck = lastIngamesecondDuration > 2000;
if (plugin.getConfig((World)null).logging.debugmessages)
{
if (oldStatus != skipCheck && skipCheck)
{
plugin.getLogger().warning("detected server lag, some checks will not work.");
}
else if (oldStatus != skipCheck && !skipCheck)
{
plugin.getLogger().info("server lag seems to have stopped, reenabling checks.");
}
}
long time = System.currentTimeMillis();
lastIngamesecondDuration = time - lastIngamesecondTime;
if (lastIngamesecondDuration < 1000)
{
lastIngamesecondDuration = 1000;
}
else if (lastIngamesecondDuration > 3600000)
{
lastIngamesecondDuration = 3600000; // top limit of 1
// hour per "second"
}
lastIngamesecondTime = time;
ingameseconds++;
// Check if some data is outdated now and let it be removed
if (ingameseconds % 62 == 0)
{
plugin.cleanDataMap();
}
}
catch (Exception e)
{
// Just prevent this thread from dying for whatever reason
}
}
public void cancel()
{
if (lagMeasureTaskId != -1)
{
try
{
plugin.getServer().getScheduler().cancelTask(lagMeasureTaskId);
}
catch (Exception e)
{
plugin.getLogger().warning("Couldn't cancel LagMeasureTask: " + e.getMessage());
}
lagMeasureTaskId = -1;
}
}
public boolean skipCheck()
{
return skipCheck;
}
}
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