private void MaintainOpenedFileCount()
{
if (MruManager.Count <= MaxInstanceCount)
{
return;
}
while (MruManager.Count > MruManager.MinCapacity)
{
Mru.Generic.MruItem <int, FileStream> item = MruManager.PeekInTail();
if (item.Value.InUse)
{
return;
}
lock (item.Value._locker)
{
if (item.Value.InUse || item.Value._fileStream == null)
{
return;
}
MruManager.Remove(item.Value.Id);
//item.Value._streamPosition = item.Value._fileStream.Position;
item.Value._fileStream.Flush();
item.Value._fileStream.Close();
item.Value._fileStream = null;
}
}
}
private static void MaintainOpenedFileCount(bool closeAll = false)
{
if (MruManager.Count <= MaxInstanceCount)
{
return;
}
lock (MruManager)
{
int ctr = 0;
while (closeAll || MruManager.Count > MruManager.MinCapacity)
{
if (ctr++ >= MruManager.MaxCapacity - 10)
{
Log.Logger.Instance.Verbose("MaintainOpenedFileCount FileStream trimming loop reached {0}, ending trimming...", ctr);
break;
}
Mru.Generic.MruItem <int, FileStream> item = MruManager.PeekInTail();
//if (item.Value.InUse) return;
lock (item.Value._locker)
{
if (MruManager.Count <= MruManager.MinCapacity)
{
if (item.Value._fileStream == null)
{
MruManager.Remove(item.Value.Id);
return;
}
if (item.Value.InUse)
{
return;
}
}
if (item.Value.InUse)
{
item.Value.InUse = true;
continue;
}
//item.Value._streamPosition = item.Value._fileStream.Position;
if (item.Value._fileStream != null || !item.Value._isDisposed)
{
item.Value.InUse = true;
if (item.Value._fileStream != null || !item.Value._isDisposed)
{
try
{
item.Value._fileStream.Flush();
if (item.Value._fileStream != null)
{
item.Value._fileStream.Close();
}
}
catch { }
}
item.Value._fileStream = null;
MruManager.Remove(item.Value.Id);
item.Value.InUse = false;
}
else
{
MruManager.Remove(item.Value.Id);
}
}
}
}
}
