private void BTCreateUSN_Click(object sender, EventArgs e)
{
using (UsnOperator uo = new UsnOperator((DriveInfo)CBDrives.SelectedItem))
{
uo.CreateUsnJournal();
}
}
public static void GetAllFilesAndDirectories(string constring, string DBpath)
{
List <FileAndDirectoryEntry> result = new List <FileAndDirectoryEntry>();
IEnumerable <DriveInfo> fixedNtfsDrives = GetAllFixedNtfsDrives();
foreach (var drive in fixedNtfsDrives)
{
var usnOperator = new UsnOperator(drive);
var usnEntries = usnOperator.GetEntries().Where(e => !excludeFolders.Contains(e.FileName.ToUpper()));
var folders = usnEntries.Where(e => e.IsFolder).ToArray();
List <FrnFilePath> paths = GetFolderPath(folders, drive);
result.AddRange(usnEntries.Join(
paths,
usn => usn.ParentFileReferenceNumber,
path => path.FileReferenceNumber,
(usn, path) => new FileAndDirectoryEntry(usn, path.Path)));
paths.Clear();
}
SQLiteConnection connection = new SQLiteConnection("Data Source = " + DBpath);
connection.Open();
SQLiteCommand command = new SQLiteCommand(connection);
command.CommandText = "PRAGMA synchronous = OFF";
command.ExecuteNonQuery();
using (SQLiteTransaction mytransaction = connection.BeginTransaction())
{
using (SQLiteCommand mycommand = new SQLiteCommand(connection))
{
SQLiteParameter[] myparam = new SQLiteParameter[3];
myparam[0] = new SQLiteParameter();
myparam[1] = new SQLiteParameter();
myparam[2] = new SQLiteParameter();
int n;
mycommand.CommandText = "INSERT INTO [FileTable] ([FileName],[FullFileName],[isFolder]) VALUES(?,?,?)";
mycommand.Parameters.AddRange(myparam);
for (n = 0; n < result.Count; n++)
{
myparam[0].Value = result[n].FileName;
myparam[1].Value = result[n].FullFileName;
myparam[2].Value = result[n].IsFolder;
mycommand.ExecuteNonQuery();
}
}
mytransaction.Commit();
}
result.Clear();
GC.Collect();
GC.WaitForPendingFinalizers();
connection.Close();
//MessageBox.Show("搜索功能初始化完成。");
QuickForm.FinishInitSearch = true;
return;
}
private void GetFileToDatabase()
{
var drives = FileQueryEngine.GetReadyNtfsDrives().OrderBy(x => x.Name);
if (ListTool.HasElements(drives))
{
foreach (var drive in drives)
{
NewFileCount = 0;
//if (!drive.Name.Contains("J")) continue;//测试只读取D盘
//if (drive.Name.Contains("D")) continue;//测试时跳过D盘
//if (drive.Name.Contains("F")) continue;//测试时跳过F盘
using (var db = new Muse())
{
//检测磁盘是否格式化，如果格式化则清空USN记录
DateTime dt1 = DriveTool.GetLastFormatTime(drive.Name);
var ds = db.Get <UsnDrives>(x => x.Name == drive.Name, null);
if ((ds == null) || (ds != null && ds.LastFormatTime != dt1.ToString()))
{
var deleteSql = db.Context.Database.ExecuteSqlCommand("DELETE FROM usnfiles WHERE drive = @p0;", drive.Name);
if (ds == null)
{
db.Add(new UsnDrives()
{
Name = drive.Name, LastFormatTime = dt1.ToString()
});
}
else
{
ds.LastFormatTime = dt1.ToString();
db.Update(ds, true);
}
}
//查询上次读取到的位置（最后一条记录）
ulong filenumber = 0;
long usn = 0;
if (db.Any <UsnFiles>(x => x.Drive == drive.Name, null))
{
int lastId = db.Do <UsnFiles>().Where(x => x.Drive == drive.Name).Max(x => x.Id);
UsnFiles lastRec = db.Get <UsnFiles>(x => x.Id == lastId, null);
usn = lastRec.Usn;
filenumber = NumberStringTool.ToUlong(lastRec.Number);
//usn = db.Do<UsnFiles>().Where(x => x.Drive == drive.Name).Max(x => x.Usn);
//string filenumberstr = db.Do<UsnFiles>().Where(x => x.Drive == drive.Name).Max(x => x.Number);
//filenumber = NumberStringTool.ToUlong(filenumberstr);
}
//从上次FileNumber记录开始读取
var usnOperator = new UsnOperator(drive);
usnOperator.GetEntries(usn, filenumber, GetFileToDatabaseEvent, 1000);
}
}
}
}
public static bool FileIsExist(string drive, long usn)
{
var d = DriveInfo.GetDrives().FirstOrDefault(x => x.Name == drive);
if (d != null)
{
var usnOperator = new UsnOperator(d);
return(usnOperator.UsnIsExist(usn));
}
return(false);
}
/// <summary>
/// 查询磁盘的所有文件
/// </summary>
/// <param name="drive"></param>
/// <returns></returns>
public static List <FileAndDirectoryEntry> GetAllFileEntrys(DriveInfo drive)
{
List <FileAndDirectoryEntry> result = new List <FileAndDirectoryEntry>();
var usnOperator = new UsnOperator(drive);
var usnEntries = usnOperator.GetEntries().Where(e => !excludeFolders.Contains(e.FileName.ToUpper()));
var folders = usnEntries.Where(e => e.IsFolder).ToArray();
List <FrnFilePath> paths = GetFolderPath(folders, drive);
var range = usnEntries.Join(
paths,
usn => usn.ParentFileReferenceNumber,
path => path.FileReferenceNumber,
(usn, path) => new FileAndDirectoryEntry(usn, path.Path));
result.AddRange(range);
return(result);
}
private void BTFind_Click(object sender, EventArgs e)
{
BTFind.Enabled = false;
//获取上次Usn
long.TryParse(TBLastUsn.Text, out LastUsn);
//获取上次FileRefNumber
ulong.TryParse(TBLastFrn.Text, out LastFrn);
if (CBDrives.SelectedItem != null)
{
using (UsnOperator uo = new UsnOperator((DriveInfo)CBDrives.SelectedItem))
{
uo.GetEntries(LastUsn, LastFrn, ShowEntries, 3);
}
}
BTFind.Enabled = true;
}
public static List <FileAndDirectoryEntry> GetAllFilesAndDirectories()
{
List <FileAndDirectoryEntry> result = new List <FileAndDirectoryEntry>();
IEnumerable <DriveInfo> fixedNtfsDrives = GetAllFixedNtfsDrives();
while (true)
{
foreach (var drive in fixedNtfsDrives)
{
var usnOperator = new UsnOperator(drive);
var usnEntries = usnOperator.GetEntries().Where(e => !excludeFolders.Contains(e.FileName.ToUpper()));
var folders = usnEntries.Where(e => e.IsFolder).ToArray();
List <FrnFilePath> paths = GetFolderPath(folders, drive);
result.AddRange(usnEntries.Join(
paths,
usn => usn.ParentFileReferenceNumber,
path => path.FileReferenceNumber,
(usn, path) => new FileAndDirectoryEntry(usn, path.Path)));
}
}
//Console.WriteLine(result.Count);
//Console.WriteLine("==========");
//for (int i = 0; i < result.Count; i++)
//{
// Console.WriteLine((i) + "、" + result[i].FileName);
//}
//for (int i = 0; i < 10; i++)
//{
// Console.WriteLine((i) + "、" + result[i].FileName);
//}
//Console.WriteLine("==========");
//for (int i = 10; i > 0; i--)
//{
// Console.WriteLine((result.Count - i) + "、" + result[result.Count - i].FileName);
//}
return(result);
}
public static List <FileAndDirectoryEntry> GetAllFilesAndDirectoriesAsync(bool showHidden = false, bool showSys = false)
{
List <FileAndDirectoryEntry> result = new List <FileAndDirectoryEntry>();
IEnumerable <DriveInfo> fixedNtfsDrives = GetAllFixedNtfsDrives();
Parallel.ForEach(fixedNtfsDrives, drive =>
{
var usnOperator = new UsnOperator(drive);
var usnEntries = usnOperator.GetEntries().Where(e => !excludeFolders.Contains(e.FileName.ToUpper()));
var folders = usnEntries.Where(e => e.IsFolder).ToArray();
List <FrnFilePath> paths = GetFolderPath(folders, drive);
result.AddRange(usnEntries.Join(
paths,
usn => usn.ParentFileReferenceNumber,
path => path.FileReferenceNumber,
(usn, path) => new FileAndDirectoryEntry(usn, path.Path)));
});
return(result);
}
/// <summary>
/// 查询磁盘的所有文件
/// </summary>
/// <param name="drive"></param>
/// <returns></returns>
public static List <UsnEntry> GetAllFiles(DriveInfo drive)
{
var usnOperator = new UsnOperator(drive);
return(usnOperator.GetEntries().Where(e => !excludeFolders.Contains(e.FileName.ToUpper())).ToList());
}
