public override Int32 GetVolumeInfo( out VolumeInfo VolumeInfo) { VolumeInfo = default(VolumeInfo); VolumeInfo.TotalSize = MaxFileNodes * (UInt64)MaxFileSize; VolumeInfo.FreeSize = (MaxFileNodes - FileNodeMap.Count()) * (UInt64)MaxFileSize; VolumeInfo.SetVolumeLabel(VolumeLabel); return(STATUS_SUCCESS); }
public override Int32 Create( String FileName, UInt32 CreateOptions, UInt32 GrantedAccess, UInt32 FileAttributes, Byte[] SecurityDescriptor, UInt64 AllocationSize, out Object FileNode0, out Object FileDesc, out FileInfo FileInfo, out String NormalizedName) { FileNode0 = default(Object); FileDesc = default(Object); FileInfo = default(FileInfo); NormalizedName = default(String); FileNode FileNode; FileNode ParentNode; Int32 Result = STATUS_SUCCESS; FileNode = FileNodeMap.Get(FileName); if (null != FileNode) { return(STATUS_OBJECT_NAME_COLLISION); } ParentNode = FileNodeMap.GetParent(FileName, ref Result); if (null == ParentNode) { return(Result); } if (0 != (CreateOptions & FILE_DIRECTORY_FILE)) { AllocationSize = 0; } if (FileNodeMap.Count() >= MaxFileNodes) { return(STATUS_CANNOT_MAKE); } if (AllocationSize > MaxFileSize) { return(STATUS_DISK_FULL); } if ("\\" != ParentNode.FileName) { /* normalize name */ FileName = ParentNode.FileName + "\\" + Path.GetFileName(FileName); } FileNode = new FileNode(FileName); FileNode.MainFileNode = FileNodeMap.GetMain(FileName); FileNode.FileInfo.FileAttributes = 0 != (FileAttributes & (UInt32)System.IO.FileAttributes.Directory) ? FileAttributes : FileAttributes | (UInt32)System.IO.FileAttributes.Archive; FileNode.FileSecurity = SecurityDescriptor; if (0 != AllocationSize) { Result = SetFileSizeInternal(FileNode, AllocationSize, true); if (0 > Result) { return(Result); } } FileNodeMap.Insert(FileNode); Interlocked.Increment(ref FileNode.OpenCount); FileNode0 = FileNode; FileInfo = FileNode.GetFileInfo(); NormalizedName = FileNode.FileName; return(STATUS_SUCCESS); }