public Nfs3Procedure.Status RemoveFileOrDirectory(String parentDirectory, String name)
{
String localPathAndName = PlatformPath.LocalCombine(parentDirectory, name);
ShareObject shareObject;
if (shareObjectsByLocalPath.TryGetValue(localPathAndName, out shareObject))
{
DisposeShareObject(shareObject);
}
if (File.Exists(localPathAndName))
{
File.Delete(localPathAndName);
return(Nfs3Procedure.Status.Ok);
}
if (Directory.Exists(localPathAndName))
{
Directory.Delete(localPathAndName);
return(Nfs3Procedure.Status.Ok);
}
return(Nfs3Procedure.Status.ErrorNoSuchFileOrDirectory);
}
public Nfs3Procedure.Status TryGetDirectory(String shareDirectoryName, out RootShareDirectory rootShareDirectory, out ShareObject shareDirectoryObject)
{
String subPath;
String rootShareName = NfsPath.SplitShareNameAndSubPath(shareDirectoryName, out subPath);
if (rootShareName == null)
{
rootShareDirectory = null;
shareDirectoryObject = null;
return(Nfs3Procedure.Status.ErrorInvalidArgument);
}
Nfs3Procedure.Status status = TryGetRootSharedDirectory(rootShareName, out rootShareDirectory);
if (status != Nfs3Procedure.Status.Ok)
{
shareDirectoryObject = null; return(status);
}
if (rootShareDirectory == null)
{
shareDirectoryObject = null; return(Nfs3Procedure.Status.ErrorNoSuchFileOrDirectory);
}
if (subPath == null)
{
shareDirectoryObject = rootShareDirectory.shareObject;
}
else
{
String localPathAndName = PlatformPath.LocalCombine(rootShareDirectory.localShareDirectory, subPath);
status = TryGetSharedObject(localPathAndName, subPath, out shareDirectoryObject);
if (status != Nfs3Procedure.Status.Ok)
{
return(status);
}
if (shareDirectoryObject == null)
{
return(Nfs3Procedure.Status.ErrorNoSuchFileOrDirectory);
}
shareDirectoryObject.RefreshFileAttributes(permissions);
}
return(Nfs3Procedure.Status.Ok);
}
public MkdirReply MKDIR(MkdirCall mkdirCall)
{
ShareObject parentDirectoryShareObject;
Status status = sharedFileSystem.TryGetSharedObject(mkdirCall.directoryHandle, out parentDirectoryShareObject);
if (status != Status.Ok)
{
return(new MkdirReply(status, BeforeAndAfterAttributes.None));
}
String localPathAndName = PlatformPath.LocalCombine(parentDirectoryShareObject.localPathAndName, mkdirCall.newDirectoryName);
ShareObject mkdirDirectoryShareObject;
status = sharedFileSystem.TryGetSharedObject(localPathAndName, mkdirCall.newDirectoryName, out mkdirDirectoryShareObject);
if (status == Nfs3Procedure.Status.Ok)
{
return(new MkdirReply(Status.ErrorAlreadyExists, BeforeAndAfterAttributes.None));
}
if (status != Nfs3Procedure.Status.ErrorNoSuchFileOrDirectory)
{
return(new MkdirReply(status, BeforeAndAfterAttributes.None));
}
parentDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
SizeAndTimes directorySizeAndTimesBeforeCreate = AutoExtensions.CreateSizeAndTimes(parentDirectoryShareObject.fileAttributes);
// Todo: handle exceptions
Directory.CreateDirectory(localPathAndName);
status = sharedFileSystem.TryGetSharedObject(localPathAndName, mkdirCall.newDirectoryName, out mkdirDirectoryShareObject);
if (status != Nfs3Procedure.Status.Ok)
{
return(new MkdirReply(status, BeforeAndAfterAttributes.None));
}
mkdirDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
parentDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
return(new MkdirReply(mkdirDirectoryShareObject.optionalFileHandleClass,
parentDirectoryShareObject.optionalFileAttributes,
new BeforeAndAfterAttributes(directorySizeAndTimesBeforeCreate, parentDirectoryShareObject.fileAttributes)));
}
public LookupReply LOOKUP(LookupCall lookupCall)
{
//
// Get Directory Object
//
ShareObject directoryShareObject;
Status status = sharedFileSystem.TryGetSharedObject(lookupCall.directoryHandle, out directoryShareObject);
if (status != Status.Ok)
{
return(new LookupReply(status, OptionalFileAttributes.None));
}
if (directoryShareObject.fileType != FileType.Directory)
{
return(new LookupReply(Status.ErrorNotDirectory, OptionalFileAttributes.None));
}
//
// Get File
//
String localPathAndName = PlatformPath.LocalCombine(directoryShareObject.localPathAndName, lookupCall.fileName);
ShareObject fileShareObject;
sharedFileSystem.TryGetSharedObject(localPathAndName, lookupCall.fileName, out fileShareObject);
if (status != Status.Ok)
{
return(new LookupReply(status, OptionalFileAttributes.None));
}
if (fileShareObject == null)
{
return(new LookupReply(Status.ErrorNoSuchFileOrDirectory, OptionalFileAttributes.None));
}
directoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
fileShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
return(new LookupReply(fileShareObject.fileHandleBytes, directoryShareObject.optionalFileAttributes,
fileShareObject.optionalFileAttributes));
}
public CreateReply CREATE(CreateCall createCall)
{
if (createCall.mode == CreateModeEnum.Exclusive)
{
return(new CreateReply(Status.ErrorNotSupported, BeforeAndAfterAttributes.None));
}
ShareObject directoryShareObject;
Status status = sharedFileSystem.TryGetSharedObject(createCall.directoryHandle, out directoryShareObject);
if (status != Status.Ok)
{
return(new CreateReply(status, BeforeAndAfterAttributes.None));
}
FileStream fileStream = null;
try
{
String localPathAndName = PlatformPath.LocalCombine(directoryShareObject.localPathAndName, createCall.newFileName);
ShareObject fileShareObject;
status = sharedFileSystem.TryGetSharedObject(localPathAndName, createCall.newFileName, out fileShareObject);
if (status == Nfs3Procedure.Status.Ok)
{
fileShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
// The file already exists
if (createCall.mode == CreateModeEnum.Guarded)
{
return(new CreateReply(Status.ErrorAlreadyExists, BeforeAndAfterAttributes.None));
}
}
else
{
if (status != Nfs3Procedure.Status.ErrorNoSuchFileOrDirectory)
{
return(new CreateReply(status, BeforeAndAfterAttributes.None));
}
}
directoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
SizeAndTimes directorySizeAndTimesBeforeCreate = AutoExtensions.CreateSizeAndTimes(directoryShareObject.fileAttributes);
// Todo: handle exceptions
fileStream = new FileStream(localPathAndName, FileMode.Create);
fileStream.Dispose();
status = sharedFileSystem.TryGetSharedObject(localPathAndName, createCall.newFileName, out fileShareObject);
if (status != Nfs3Procedure.Status.Ok)
{
return(new CreateReply(status, BeforeAndAfterAttributes.None));
}
fileShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
directoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
return(new CreateReply(fileShareObject.optionalFileHandleClass,
fileShareObject.optionalFileAttributes,
new BeforeAndAfterAttributes(directorySizeAndTimesBeforeCreate, directoryShareObject.fileAttributes)));
}
finally
{
if (fileStream != null)
{
fileStream.Dispose();
}
}
}
public Nfs3Procedure.Status Move(ShareObject oldParentShareObject, String oldName,
ShareObject newParentShareObject, String newName)
{
Nfs3Procedure.Status status;
status = newParentShareObject.CheckStatus();
if (status != Nfs3Procedure.Status.Ok)
{
DisposeShareObject(newParentShareObject);
return(status);
}
status = oldParentShareObject.CheckStatus();
if (status != Nfs3Procedure.Status.Ok)
{
DisposeShareObject(oldParentShareObject);
return(status);
}
//
// Get Old Share Object
//
String oldLocalPathAndName = PlatformPath.LocalCombine(oldParentShareObject.localPathAndName, oldName);
ShareObject oldShareObject;
if (!shareObjectsByLocalPath.TryGetValue(oldLocalPathAndName, out oldShareObject))
{
return(Nfs3Procedure.Status.ErrorNoSuchFileOrDirectory);
}
status = oldShareObject.CheckStatus();
if (status != Nfs3Procedure.Status.Ok)
{
DisposeShareObject(oldShareObject);
return(status);
}
//
// Move
//
String newLocalPathAndName = PlatformPath.LocalCombine(newParentShareObject.localPathAndName, newName);
FileType fileType = oldShareObject.fileType;
if (Directory.Exists(newLocalPathAndName))
{
if (oldShareObject.fileType != FileType.Directory)
{
return(Nfs3Procedure.Status.ErrorAlreadyExists);
}
try
{
Directory.Delete(newLocalPathAndName);
}
catch (IOException)
{
return(Nfs3Procedure.Status.ErrorDirectoryNotEmpty); // The directory is not empty
}
Directory.Move(oldLocalPathAndName, newLocalPathAndName);
}
else if (File.Exists(newLocalPathAndName))
{
if (oldShareObject.fileType != FileType.Regular)
{
return(Nfs3Procedure.Status.ErrorAlreadyExists);
}
File.Delete(newLocalPathAndName);
File.Move(oldLocalPathAndName, newLocalPathAndName);
}
else
{
if (oldShareObject.fileType == FileType.Regular)
{
File.Move(oldLocalPathAndName, newLocalPathAndName);
}
else if (oldShareObject.fileType == FileType.Directory)
{
Directory.Move(oldLocalPathAndName, newLocalPathAndName);
}
else
{
return(Nfs3Procedure.Status.ErrorInvalidArgument);
}
}
//
// Update the share object and return
//
UpdateShareObjectPathAndName(oldShareObject, newLocalPathAndName, newName);
oldShareObject.RefreshFileAttributes(permissions);
status = oldShareObject.CheckStatus();
if (status != Nfs3Procedure.Status.Ok)
{
DisposeShareObject(oldShareObject);
}
return(status);
}
