private void okButton_Click(object sender, EventArgs e)
{
Attributes attributes = new Attributes();
attributes.readOnly = readOnlyCheckBox.Checked;
attributes.hidden = hiddenCheckBox.Checked;
attributes.system = systemCheckBox.Checked;
Attributes = attributes;
AccessRights accessRights = new AccessRights();
accessRights.user.canRead = userReadCheckBox.Checked;
accessRights.user.canWrite = userWriteCheckBox.Checked;
accessRights.user.canExecute = userExecuteCheckBox.Checked;
accessRights.group.canRead = groupReadCheckBox.Checked;
accessRights.group.canWrite = groupWriteCheckBox.Checked;
accessRights.group.canExecute = groupExecuteCheckBox.Checked;
accessRights.others.canRead = othersReadCheckBox.Checked;
accessRights.others.canWrite = othersWriteCheckBox.Checked;
accessRights.others.canExecute = othersExecuteCheckBox.Checked;
AccessRights = accessRights;
}
/// <summary>
/// Задаёт указанные атрибуты файлу или каталогу.
/// Не изменяет текущий рабочий каталог.
/// </summary>
/// <param name="path">Путь к файлу или каталогу.</param>
/// <param name="attributes">Атрибуты, которые будут заданы.</param>
public void SetAttributes(string path, Attributes attributes)
{
FileSystem.SetAttributes(path, attributes);
}
/// <summary>
/// Задаёт указанные атрибуты файлу или каталогу.
/// Не изменяет текущий рабочий каталог.
/// </summary>
/// <param name="path">Путь к файлу или каталогу.</param>
/// <param name="attributes">Атрибуты, которые будут заданы.</param>
public void SetAttributes(string path, Attributes attributes)
{
Directory current = CurrentDirectory;
Utils.CheckPath(path);
string fullPath = Utils.GetFullPath(path, CurrentDirectory.FullPath);
string parentDirectoryPath = Utils.GetDirectoryName(fullPath);
Directory directory = OpenDirectory(parentDirectoryPath);
//AccessRights ar = directory.AccessRights;
if (!Utils.GetAccessRightsGroup(UserId, GroupId, directory.UserId, directory.GroupId, directory.AccessRights).canExecute)
{
throw new UnauthorizedAccessException("Текущий пользователь не имеет доступа к изменению атрибутов объектов этого каталога!");
}
string fileName = Utils.GetFileName(path);
MetaFile metaFile = directory.Find(fileName);
if (metaFile == null)
{
throw new FileNotFoundException("Указанный файл или каталог не существует!", path);
}
Inode inode = new Inode();
int sizeOfInode = Marshal.SizeOf(typeof(Inode));
FileStream.Seek(_superblock.inodeArrayAddress + (metaFile.InodeId - 1) * sizeOfInode, SeekOrigin.Begin);
inode = (Inode)ReadStruct(FileStream, typeof(Inode));
inode.attributes = attributes.ToByte();
FileStream.Seek(-sizeOfInode, SeekOrigin.Current);
WriteStruct(FileStream, inode);
FlushAll(false);
CurrentDirectory = current;
}
/// <summary>
/// Записывает информацию о новом созданном файле на диск.
/// </summary>
/// <param name="fileName">Имя файла.</param>
/// <param name="fileExtension">Расширение файла.</param>
/// <param name="freeDirectoryRecordAddress">Адрес свободной записи в родительском каталоге.</param>
/// <param name="freeInodeAddress">Адрес свободного индексного дескриптора.</param>
/// <param name="freeInodeId">ID свободного индексного дескриптора.</param>
/// <param name="freeDataClusterIndex">Индекс свободного блока данных.</param>
private void FlushNewFile(string fileName, string fileExtension, int freeDirectoryRecordAddress, int freeInodeAddress, int freeInodeId, int freeDataClusterIndex)
{
DirectoryRecord newDirectoryRecord = new DirectoryRecord();
newDirectoryRecord.fileName = fileName;
newDirectoryRecord.fileExtension = fileExtension;
newDirectoryRecord.fileInodeId = freeInodeId;
Inode newFileInode = new Inode();
newFileInode.fileType = FILE_INODE_TYPE;
newFileInode.inodeId = freeInodeId;
newFileInode.userId = UserId;
newFileInode.groupId = GroupId;
newFileInode.permissions = new AccessRights(true, true, false, true, false, false, true, false, false).ToInt16();
Attributes attributes = new Attributes();
attributes.hidden = false;
attributes.readOnly = false;
attributes.system = false;
newFileInode.attributes = attributes.ToByte();
newFileInode.fileSize = 0;
newFileInode.datetimeFileCreated = Utils.GetTimestamp();
newFileInode.datetimeFileModified = Utils.GetTimestamp();
newFileInode.datetimeInodeModified = Utils.GetTimestamp();
newFileInode.firstClusterIndex = freeDataClusterIndex;
FileStream.Seek(freeDirectoryRecordAddress, SeekOrigin.Begin);
WriteStruct(FileStream, newDirectoryRecord);
FileStream.Seek(freeInodeAddress, SeekOrigin.Begin);
WriteStruct(FileStream, newFileInode);
FileStream.Seek(_superblock.dataAddress + (freeDataClusterIndex - 1) * CLUSTER_SIZE, SeekOrigin.Begin);
// Записать один кластер файла
FileStream.Write(BitConverter.GetBytes(LAST_CLUSTER_ID), 0, sizeof(int));
}
/// <summary>
/// Записывает информацию о новом созданном каталоге на диск.
/// </summary>
/// <param name="direcoryName">Имя каталога.</param>
/// <param name="freeDirectoryRecordAddress">Адрес свободной записи в родительском каталоге.</param>
/// <param name="freeInodeAddress">Адрес свободного индексного дескриптора.</param>
/// <param name="freeInodeId">ID свободного индексного дескриптора.</param>
/// <param name="parentInodeId">ID индексного дескриптора родительского каталога.</param>
/// <param name="freeDataClusterIndex">Индекс свободного блока данных.</param>
private void FlushNewDirectory(string direcoryName, int freeDirectoryRecordAddress, int freeInodeAddress, int freeInodeId, int parentInodeId, int freeDataClusterIndex)
{
DirectoryRecord newDirectoryRecord = new DirectoryRecord();
newDirectoryRecord.fileName = direcoryName;
newDirectoryRecord.fileExtension = string.Empty;
newDirectoryRecord.fileInodeId = freeInodeId;
Inode newDirectoryInode = new Inode();
newDirectoryInode.fileType = DIRECTORY_INODE_TYPE;
newDirectoryInode.inodeId = freeInodeId;
newDirectoryInode.userId = UserId;
newDirectoryInode.groupId = GroupId;
newDirectoryInode.permissions = new AccessRights(true, true, true, true, false, true, true, false, true).ToInt16();
Attributes attributes = new Attributes();
attributes.hidden = false;
attributes.readOnly = false;
attributes.system = false;
newDirectoryInode.attributes = attributes.ToByte();
newDirectoryInode.fileSize = _superblock.clusterFactor * DISK_BYTES_PER_SECTOR;
newDirectoryInode.datetimeFileCreated = Utils.GetTimestamp();
newDirectoryInode.datetimeFileModified = Utils.GetTimestamp();
newDirectoryInode.datetimeInodeModified = Utils.GetTimestamp();
newDirectoryInode.firstClusterIndex = freeDataClusterIndex;
FileStream.Seek(freeDirectoryRecordAddress, SeekOrigin.Begin);
WriteStruct(FileStream, newDirectoryRecord);
FileStream.Seek(freeInodeAddress, SeekOrigin.Begin);
WriteStruct(FileStream, newDirectoryInode);
FileStream.Seek(_superblock.dataAddress + (freeDataClusterIndex - 1) * CLUSTER_SIZE, SeekOrigin.Begin);
// Записать один кластер каталога
FileStream.Write(BitConverter.GetBytes(LAST_CLUSTER_ID), 0, sizeof(int));
DirectoryRecord current = new DirectoryRecord();
current.fileName = ".";
current.fileExtension = "";
current.fileInodeId = freeInodeId;
DirectoryRecord parent = new DirectoryRecord();
parent.fileName = "..";
parent.fileExtension = "";
parent.fileInodeId = parentInodeId;
WriteStruct(FileStream, current);
WriteStruct(FileStream, parent);
int upperBound = (CLUSTER_SIZE - sizeof(int)) / Marshal.SizeOf(typeof(DirectoryRecord)) - 2;
for (int i = 0; i < upperBound; i++)
{
DirectoryRecord directoryRecord = new DirectoryRecord();
directoryRecord.fileInodeId = FREE_DIRECTORY_RECORD;
directoryRecord.fileName = "";
directoryRecord.fileExtension = "";
WriteStruct(FileStream, directoryRecord);
}
}
public PropertiesForm(Attributes attributes, AccessRights accessRights)
: this()
{
Attributes = attributes;
AccessRights = accessRights;
}
