private void AddGroup()
{
EditGroupForm editGroupForm = new EditGroupForm();
if (editGroupForm.ShowDialog(this) == DialogResult.OK)
{
Group group = new Group();
short newId = 0;
for (int i = 0; i < GroupsManager.Count; i++)
{
if (GroupsManager[i].groupId > newId)
{
newId = GroupsManager[i].groupId;
}
}
group.groupId = ++newId;
group.groupName = editGroupForm.GroupName;
if (GroupsManager.AddGroup(group))
{
groupsListBox.Items.Add(group.groupName);
}
else
{
MessageBox.Show(this, "Группа с таким именем уже существует!", "Группа существует", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
}
/// <summary>
/// Выполняет инициализацию ядра ОС.
/// </summary>
public DehaxOS()
{
_fileSystemImage = new FileStream(FS_IMAGE_PATH, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite, FS_IMAGE_BUFFER, FileOptions.RandomAccess);
FileSystem = new DehaxFileSystem(_fileSystemImage, ROOT_USER_ID, ROOT_GROUP_ID);
Scheduler = new DehaxScheduler();
_usersManager = new UsersManager();
_groupsManager = new GroupsManager();
IsLoggedIn = false;
if (IsFirstRun)
{
User rootUser = new User(ROOT_USER_NAME, ROOT_USER_PASSWORD_HASH, ROOT_USER_ID, ROOT_GROUP_ID);
_usersManager.AddUser(rootUser);
Group rootGroup = new Group(ROOT_GROUP_NAME, ROOT_GROUP_ID);
rootGroup.AddUser(rootUser);
_groupsManager.AddGroup(rootGroup);
ROOT_USER = rootUser;
User = rootUser;
IsLoggedIn = true;
Install();
IsLoggedIn = false;
}
else
{
Initialize();
}
}
/// <summary>
/// Инициализирует ОС при запуске, загружает в ОЗУ системные структуры.
/// </summary>
private void Initialize()
{
byte[] usersFileData = FileSystem.ReadFile(USERS_FILE_PATH);
byte[] groupsFileData = FileSystem.ReadFile(GROUPS_FILE_PATH);
string usersFileString = Encoding.ASCII.GetString(usersFileData);
string groupsFileString = Encoding.ASCII.GetString(groupsFileData);
// Считываем группы.
string[] groupsRecords = groupsFileString.Split(new string[] { NEW_LINE }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < groupsRecords.Length; i++)
{
string[] groupFields = groupsRecords[i].Split(' ');
short groupId = short.Parse(groupFields[0]);
string groupName = groupFields[1];
Group group = new Group(groupName, groupId);
if (groupId < 0)
{
group.groupId *= -1;
group.deleted = true;
}
_groupsManager.AddGroup(group);
}
// Считываем пользователей.
string[] usersRecords = usersFileString.Split(new string[] { NEW_LINE }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < usersRecords.Length; i++)
{
string[] userFields = usersRecords[i].Split(' ');
short userId = short.Parse(userFields[0]);
string userName = userFields[1];
byte[] passwordHash = Utils.HexStringToByteArray(userFields[2]);
short groupId = short.Parse(userFields[3]);
User user = new User(userName, passwordHash, userId, groupId);
if (userId < 0)
{
user.userId *= -1;
user.deleted = true;
}
if (userId == ROOT_USER_ID && groupId == ROOT_GROUP_ID)
{
ROOT_USER = user;
}
_usersManager.AddUser(user);
_groupsManager.AddUserToGroup(user.groupId, user);
}
}
