/// <exception cref="System.IO.IOException"/>
internal Emptier(TrashPolicyDefault _enclosing, Configuration conf, long emptierInterval
)
{
this._enclosing = _enclosing;
this.conf = conf;
this.emptierInterval = emptierInterval;
if (emptierInterval > this._enclosing.deletionInterval || emptierInterval == 0)
{
TrashPolicyDefault.Log.Info("The configured checkpoint interval is " + (emptierInterval
/ TrashPolicyDefault.MsecsPerMinute) + " minutes." + " Using an interval of " +
(this._enclosing.deletionInterval / TrashPolicyDefault.MsecsPerMinute) + " minutes that is used for deletion instead"
);
this.emptierInterval = this._enclosing.deletionInterval;
}
}
public virtual void Run()
{
if (this.emptierInterval == 0)
{
return;
}
// trash disabled
long now = Time.Now();
long end;
while (true)
{
end = this.Ceiling(now, this.emptierInterval);
try
{
// sleep for interval
Thread.Sleep(end - now);
}
catch (Exception)
{
break;
}
// exit on interrupt
try
{
now = Time.Now();
if (now >= end)
{
FileStatus[] homes = null;
try
{
homes = this._enclosing.fs.ListStatus(this._enclosing.homesParent);
}
catch (IOException e)
{
// list all home dirs
TrashPolicyDefault.Log.Warn("Trash can't list homes: " + e + " Sleeping.");
continue;
}
foreach (FileStatus home in homes)
{
// dump each trash
if (!home.IsDirectory())
{
continue;
}
try
{
TrashPolicyDefault trash = new TrashPolicyDefault(this._enclosing.fs, home.GetPath
(), this.conf);
trash.DeleteCheckpoint();
trash.CreateCheckpoint();
}
catch (IOException e)
{
TrashPolicyDefault.Log.Warn("Trash caught: " + e + ". Skipping " + home.GetPath()
+ ".");
}
}
}
}
catch (Exception e)
{
TrashPolicyDefault.Log.Warn("RuntimeException during Trash.Emptier.run(): ", e);
}
}
try
{
this._enclosing.fs.Close();
}
catch (IOException e)
{
TrashPolicyDefault.Log.Warn("Trash cannot close FileSystem: ", e);
}
}