Beispiel #1
0
 public BinaryWriter AllocFile(out int handle)
 {
     ClusteredCachedStream.Cluster cluster = _stream.AllocCluster(null);
     handle = cluster.Handle;
     _stream.CurrentClusterHandle = handle;
     return(new BinaryWriter(_stream));
 }
Beispiel #2
0
        /// <summary>
        /// Resturns list of handles of all available files.
        /// </summary>
        /// <returns></returns>
        public IntArrayList GetAllFiles(bool idle)
        {
            int        handle;
            IntHashSet deletedFiles = new IntHashSet();

            handle = _stream.GetFirstFreeFileHandle();
            while (IsValidHandle(handle) && Core.State != CoreState.ShuttingDown &&
                   (!idle || Core.IsSystemIdle))
            {
                deletedFiles.Add(handle);
                ClusteredCachedStream.Cluster cluster = _stream.GetCluster(handle);
                handle = _stream.OffsetToHandle(cluster.NextOffset);
            }
            IntArrayList result = new IntArrayList();

            for (long off = ClusteredCachedStream.BLOB_FILE_SYSTEM_HEADER_SIZE; off < _stream.Length;)
            {
                if (Core.State == CoreState.ShuttingDown || (idle && !Core.IsSystemIdle))
                {
                    break;
                }
                handle = _stream.OffsetToHandle(off);
                ClusteredCachedStream.Cluster cluster = _stream.GetCluster(handle);
                if (cluster.PrevOffset == ClusteredCachedStream.NOT_SET && !deletedFiles.Contains(handle))
                {
                    result.Add(handle);
                }
                off += cluster.Length;
                off += ClusteredCachedStream.CLUSTER_HEADER_SIZE;
            }
            return(result);
        }