public FileManager(IVirtualDisk virtualDisk, FileSystemNodeStorage fileSystemNodeStorage, IEqualityComparer <string> namesComparer, NodeResolver nodeResolver, IFreeBlockManager freeBlockManager, IFolderEnumeratorRegistry folderEnumeratorRegistry, IFileSystemObjectLockingManager lockingManager, BlockReferenceListsEditor blockReferenceListsEditor, PathBuilder pathBuilder, IFileSystemArtifactNamesValidator nameValidator, IPathValidator pathValidator)
{
if (virtualDisk == null)
{
throw new ArgumentNullException("virtualDisk");
}
if (fileSystemNodeStorage == null)
{
throw new ArgumentNullException("fileSystemNodeStorage");
}
if (namesComparer == null)
{
throw new ArgumentNullException("namesComparer");
}
if (nodeResolver == null)
{
throw new ArgumentNullException("nodeResolver");
}
if (freeBlockManager == null)
{
throw new ArgumentNullException("freeBlockManager");
}
if (folderEnumeratorRegistry == null)
{
throw new ArgumentNullException("folderEnumeratorRegistry");
}
if (lockingManager == null)
{
throw new ArgumentNullException("lockingManager");
}
if (blockReferenceListsEditor == null)
{
throw new ArgumentNullException("blockReferenceListsEditor");
}
if (pathBuilder == null)
{
throw new ArgumentNullException("pathBuilder");
}
if (nameValidator == null)
{
throw new ArgumentNullException("nameValidator");
}
if (pathValidator == null)
{
throw new ArgumentNullException("pathValidator");
}
_virtualDisk = virtualDisk;
_pathValidator = pathValidator;
_nameValidator = nameValidator;
_pathBuilder = pathBuilder;
_blockReferenceListsEditor = blockReferenceListsEditor;
_lockingManager = lockingManager;
_folderEnumeratorRegistry = folderEnumeratorRegistry;
_freeBlockManager = freeBlockManager;
_nodeResolver = nodeResolver;
_namesComparer = namesComparer;
_fileSystemNodeStorage = fileSystemNodeStorage;
}
/// <summary>
///
/// </summary>
/// <param name="dataStreamDefinition"></param>
/// <param name="disk"></param>
/// <param name="freeBlockManager"></param>
/// <param name="fileSystemNodeStorage"></param>
/// <param name="governingNode"></param>
/// <param name="addressingSystemParameters"></param>
/// <exception cref="ArgumentNullException"></exception>
public DataStreamStructureBuilder(DataStreamDefinition dataStreamDefinition, IVirtualDisk disk, IFreeBlockManager freeBlockManager, IFileSystemNodeStorage fileSystemNodeStorage, Node governingNode, AddressingSystemParameters addressingSystemParameters)
: base(disk, dataStreamDefinition, addressingSystemParameters, fileSystemNodeStorage, governingNode)
{
if (freeBlockManager == null)
{
throw new ArgumentNullException("freeBlockManager");
}
_freeBlockManager = freeBlockManager;
}
/// <summary>
///
/// </summary>
/// <param name="freeBlockManager"></param>
/// <param name="blocksToFree"></param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <exception cref="BlockNotOccupiedException"></exception>
public static void MarkBlocksAsFree(this IFreeBlockManager freeBlockManager, IEnumerable <int> blocksToFree)
{
if (freeBlockManager == null)
{
throw new ArgumentNullException("freeBlockManager");
}
if (blocksToFree == null)
{
throw new ArgumentNullException("blocksToFree");
}
foreach (int blockIndex in blocksToFree)
{
freeBlockManager.MarkBlockAsFree(blockIndex);
}
}
public BlockReferenceListsEditor(IVirtualDisk virtualDisk, IFreeBlockManager freeBlockManager, FileSystemNodeStorage fileSystemNodeStorage)
{
if (virtualDisk == null)
{
throw new ArgumentNullException("virtualDisk");
}
if (freeBlockManager == null)
{
throw new ArgumentNullException("freeBlockManager");
}
if (fileSystemNodeStorage == null)
{
throw new ArgumentNullException("fileSystemNodeStorage");
}
_virtualDisk = virtualDisk;
_fileSystemNodeStorage = fileSystemNodeStorage;
_freeBlockManager = freeBlockManager;
}
public void MakeSureStructureBuilderAllocatesExactlyTheNumberOfBlocksNeededToStoreTheData()
{
var testCollaborators = TestCollaboratorsFactory.CreateCollaboratorsForTestingDataStreamStructureBuilder();
MockRepository mocks = new MockRepository();
IFreeBlockManager freeBlockManager = mocks.DynamicMock <IFreeBlockManager>();
IFileSystemNodeStorage nodeStorageStub = mocks.Stub <IFileSystemNodeStorage>();
int freeBlockCounter = 25;
int numberOfFreeBlocksAllocated = 0;
using (mocks.Unordered())
{
Expect.Call(freeBlockManager.AcquireFreeBlocks(1)).IgnoreArguments().Do(
new Func <int, ReadOnlyCollection <int> >(delegate(int i)
{
var blocks = new List <int>();
for (int j = 0; j < i; j++)
{
blocks.Add(freeBlockCounter);
freeBlockCounter++;
}
numberOfFreeBlocksAllocated += i;
return(blocks.AsReadOnly());
}));
Expect.Call(freeBlockManager.AcquireFreeBlock()).IgnoreArguments().Do(
new Func <int>(delegate
{
freeBlockCounter++;
numberOfFreeBlocksAllocated++;
return(freeBlockCounter);
}));
}
mocks.ReplayAll();
var dataStreamStructureBuilder =
new TestDataStreamStructureBuilder(
testCollaborators.FileNode.ResolvedNode.FileContentsStreamDefinition,
testCollaborators.Disk,
freeBlockManager,
nodeStorageStub,
testCollaborators.FileNode.ResolvedNode,
AddressingSystemParameters.Default);
Assert.AreEqual(0, dataStreamStructureBuilder.DoubleIndirectBlocks.Count);
dataStreamStructureBuilder.SetSize(1000);
Assert.AreEqual(1000, dataStreamStructureBuilder.CurrentSize);
var diskStructureEnumerator = dataStreamStructureBuilder.CreateEnumerator();
Assert.AreEqual(2, numberOfFreeBlocksAllocated); // один для данных, другой - под single indirect block
Assert.AreEqual(1, diskStructureEnumerator.Count); // количество дисковых блоков = 1
Assert.AreEqual(1, dataStreamStructureBuilder.DoubleIndirectBlocks.Count);
dataStreamStructureBuilder.SetSize(1500);
Assert.AreEqual(1500, dataStreamStructureBuilder.CurrentSize);
dataStreamStructureBuilder.SetSize(2000);
Assert.AreEqual(2000, dataStreamStructureBuilder.CurrentSize);
diskStructureEnumerator = dataStreamStructureBuilder.CreateEnumerator();
Assert.AreEqual(2, numberOfFreeBlocksAllocated);
Assert.AreEqual(1, diskStructureEnumerator.Count); // количество дисковых блоков = 1
Assert.AreEqual(1, dataStreamStructureBuilder.DoubleIndirectBlocks.Count);
dataStreamStructureBuilder.SetSize(2048);
Assert.AreEqual(2048, dataStreamStructureBuilder.CurrentSize);
diskStructureEnumerator = dataStreamStructureBuilder.CreateEnumerator();
Assert.AreEqual(2, numberOfFreeBlocksAllocated); // оверхед системы адресации - еще один блок.
Assert.AreEqual(1, diskStructureEnumerator.Count); // количество дисковых блоков = 2
Assert.AreEqual(1, dataStreamStructureBuilder.DoubleIndirectBlocks.Count);
dataStreamStructureBuilder.SetSize(testCollaborators.Disk.BlockSizeInBytes * (testCollaborators.Disk.BlockSizeInBytes / 4) * 3);
Assert.AreEqual((testCollaborators.Disk.BlockSizeInBytes / 4) * 3 + 3, numberOfFreeBlocksAllocated);
dataStreamStructureBuilder.SetSize(testCollaborators.Disk.BlockSizeInBytes * (testCollaborators.Disk.BlockSizeInBytes / 4) * 5);
}
public TestDataStreamStructureBuilder(DataStreamDefinition dataStreamDefinition, IVirtualDisk disk, IFreeBlockManager freeBlockManager, IFileSystemNodeStorage fileSystemNodeStorage, Node governingNode, AddressingSystemParameters addressingSystemParameters)
: base(dataStreamDefinition, disk, freeBlockManager, fileSystemNodeStorage, governingNode, addressingSystemParameters)
{
}
private VirtualFileSystem(
IVirtualDisk virtualDisk,
VirtualFileSystemInfo fileSystemInfo,
FileSystemNodeStorage fileSystemNodeStorage,
IEqualityComparer <string> namesComparer,
NodeResolver nodeResolver,
IFreeBlockManager freeBlockManager,
IFolderEnumeratorRegistry folderEnumeratorRegistry,
BlockReferenceListsEditor blockReferenceListsEditor,
PathBuilder pathBuilder,
IFileSystemArtifactNamesValidator nameValidator,
IPathValidator pathValidator,
FileManager fileManager,
FolderManager folderManager)
{
if (fileSystemInfo == null)
{
throw new ArgumentNullException("fileSystemInfo");
}
if (fileSystemNodeStorage == null)
{
throw new ArgumentNullException("fileSystemNodeStorage");
}
if (namesComparer == null)
{
throw new ArgumentNullException("namesComparer");
}
if (nodeResolver == null)
{
throw new ArgumentNullException("nodeResolver");
}
if (freeBlockManager == null)
{
throw new ArgumentNullException("freeBlockManager");
}
if (folderEnumeratorRegistry == null)
{
throw new ArgumentNullException("folderEnumeratorRegistry");
}
if (blockReferenceListsEditor == null)
{
throw new ArgumentNullException("blockReferenceListsEditor");
}
if (pathBuilder == null)
{
throw new ArgumentNullException("pathBuilder");
}
if (nameValidator == null)
{
throw new ArgumentNullException("nameValidator");
}
if (pathValidator == null)
{
throw new ArgumentNullException("pathValidator");
}
if (folderManager == null)
{
throw new ArgumentNullException("folderManager");
}
_virtualDisk = virtualDisk;
_folderManager = folderManager;
_folderManager = folderManager;
_folderManager = folderManager;
_folderManager = folderManager;
_fileManager = fileManager;
_pathBuilder = pathBuilder;
_folderEnumeratorRegistry = folderEnumeratorRegistry;
_nodeResolver = nodeResolver;
_freeBlockManager = freeBlockManager;
_fileSystemInfo = fileSystemInfo;
_namesComparer = namesComparer;
}
