Exemple #1
0
 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;
         }
     }
 }
Exemple #2
0
 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);
                 }
             }
         }
     }
 }