public SetFileAttributesReply SETATTR(SetFileAttributesCall setFileAttributesCall)
{
ShareObject shareObject;
Status status = sharedFileSystem.TryGetSharedObject(setFileAttributesCall.fileHandle, out shareObject);
if (status != Status.Ok)
{
return(new SetFileAttributesReply(status, BeforeAndAfterAttributes.None));
}
shareObject.RefreshFileAttributes(sharedFileSystem.permissions);
SizeAndTimes before = AutoExtensions.CreateSizeAndTimes(shareObject.fileAttributes);
// TODO: change the permissions
return(new SetFileAttributesReply(Status.Ok, new BeforeAndAfterAttributes(before, shareObject.fileAttributes)));
}
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 RenameReply RENAME(RenameCall renameCall)
{
ShareObject oldParentDirectoryShareObject;
ShareObject newParentDirectoryShareObject;
Status status = sharedFileSystem.TryGetSharedObject(renameCall.oldDirectoryHandle, out oldParentDirectoryShareObject);
if (status != Status.Ok)
{
return(new RenameReply(status, BeforeAndAfterAttributes.None, BeforeAndAfterAttributes.None));
}
status = sharedFileSystem.TryGetSharedObject(renameCall.newDirectoryHandle, out newParentDirectoryShareObject);
if (status != Status.Ok)
{
return(new RenameReply(status, BeforeAndAfterAttributes.None, BeforeAndAfterAttributes.None));
}
oldParentDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
SizeAndTimes oldDirectorySizeAndTimesBeforeCreate = AutoExtensions.CreateSizeAndTimes(oldParentDirectoryShareObject.fileAttributes);
newParentDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
SizeAndTimes newDirectorySizeAndTimesBeforeCreate = AutoExtensions.CreateSizeAndTimes(newParentDirectoryShareObject.fileAttributes);
status = sharedFileSystem.Move(oldParentDirectoryShareObject, renameCall.oldName,
newParentDirectoryShareObject, renameCall.newName);
if (status != Status.Ok)
{
return(new RenameReply(status, BeforeAndAfterAttributes.None, BeforeAndAfterAttributes.None));
}
oldParentDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
newParentDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
return(new RenameReply(Status.Ok,
new BeforeAndAfterAttributes(oldDirectorySizeAndTimesBeforeCreate, oldParentDirectoryShareObject.fileAttributes),
new BeforeAndAfterAttributes(newDirectorySizeAndTimesBeforeCreate, newParentDirectoryShareObject.fileAttributes)));
}
public RemoveReply REMOVE(RemoveCall removeCall)
{
ShareObject parentDirectoryShareObject;
Status status = sharedFileSystem.TryGetSharedObject(removeCall.directoryHandle, out parentDirectoryShareObject);
if (status != Status.Ok)
{
return(new RemoveReply(status, BeforeAndAfterAttributes.None));
}
parentDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
SizeAndTimes directorySizeAndTimesBeforeCreate = AutoExtensions.CreateSizeAndTimes(parentDirectoryShareObject.fileAttributes);
status = sharedFileSystem.RemoveFileOrDirectory(parentDirectoryShareObject.localPathAndName, removeCall.fileName);
if (status != Status.Ok)
{
return(new RemoveReply(status, BeforeAndAfterAttributes.None));
}
parentDirectoryShareObject.RefreshFileAttributes(sharedFileSystem.permissions);
return(new RemoveReply(Status.Ok, new BeforeAndAfterAttributes(directorySizeAndTimesBeforeCreate,
parentDirectoryShareObject.fileAttributes)));
}
public WriteReply WRITE(WriteCall writeCall)
{
ShareObject shareObject;
Status status = sharedFileSystem.TryGetSharedObject(writeCall.fileHandle, out shareObject);
if (status != Status.Ok)
{
return(new WriteReply(status, BeforeAndAfterAttributes.None));
}
if (shareObject.fileType != FileType.Regular)
{
return(new WriteReply(Status.ErrorInvalidArgument, BeforeAndAfterAttributes.None));
}
shareObject.RefreshFileAttributes(sharedFileSystem.permissions);
SizeAndTimes sizeAndTimesBeforeWrite = AutoExtensions.CreateSizeAndTimes(shareObject.fileAttributes);
FileInfo fileInfo = shareObject.AccessFileInfo();
//
// TODO: in the future in order to enhance performance, I could implement UNSTABLE writes,
// which means I could return the reply before the write is finished.
//
using (FileStream fileStream = fileInfo.Open(FileMode.Open))
{
fileStream.Position = (Int64)writeCall.offset;
fileStream.Write(writeCall.data.array, (Int32)writeCall.data.offset, (Int32)writeCall.data.length);
}
shareObject.RefreshFileAttributes(sharedFileSystem.permissions);
return(new WriteReply(new BeforeAndAfterAttributes(sizeAndTimesBeforeWrite, shareObject.fileAttributes),
writeCall.data.length, writeCall.stableHow, null));
}
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();
}
}
}
