- 지정된 폴더의 파일 변화 모니터링 (생성,삭제, 리네임, 변경)
- 파일이 현재 복사가 되는지 File Lock 여부
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace FileWatcher
{
/// <summary>
/// MainWindow.xaml에 대한 상호 작용 논리
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
Start();
}
System.Windows.Threading.DispatcherTimer timer = new System.Windows.Threading.DispatcherTimer();
string filePath = null;
private void Start()
{
System.IO.FileSystemWatcher watcher = new System.IO.FileSystemWatcher();
watcher.Path = @"d:\watch";
watcher.NotifyFilter = System.IO.NotifyFilters.FileName | System.IO.NotifyFilters.DirectoryName | System.IO.NotifyFilters.Size;
watcher.Changed += Watcher_Changed;
watcher.Created += Watcher_Created;
watcher.Deleted += Watcher_Deleted;
watcher.Renamed += Watcher_Renamed;
watcher.EnableRaisingEvents = true;
timer.Interval = new TimeSpan(0, 0, 1);
timer.Tick += (s, args) =>
{
if (!string.IsNullOrEmpty(filePath))
{
if (IsFileLocked(filePath))
Log($"File Locked");
else
{
Log($"File unlocked");
timer.Stop();
}
}
};
}
private void Watcher_Renamed(object sender, System.IO.RenamedEventArgs e)
{
Log($"{e.ChangeType}, File: {e.FullPath}, Old File: {e.OldFullPath}");
}
private void Watcher_Deleted(object sender, System.IO.FileSystemEventArgs e)
{
Log($"{e.ChangeType}, File: {e.FullPath}");
}
private void Watcher_Created(object sender, System.IO.FileSystemEventArgs e)
{
Log($"{e.ChangeType}, File: {e.FullPath}");
timer.Start();
}
private void Watcher_Changed(object sender, System.IO.FileSystemEventArgs e)
{
filePath = e.FullPath;
Log($"{e.ChangeType}, File: {filePath}, Length: {new System.IO.FileInfo(filePath).Length}");
}
private void Timer_Tick(object sender, EventArgs e)
{
throw new NotImplementedException();
}
private void Log(string str)
{
this.Dispatcher.Invoke(() =>
{
txt.Text += str + "\r\n";
});
}
const int ERROR_SHARING_VIOLATION = 32;
const int ERROR_LOCK_VIOLATION = 33;
private bool IsFileLocked(string file)
{
//check that problem is not in destination file
if (File.Exists(file) == true)
{
FileStream stream = null;
try
{
stream = File.Open(file, FileMode.Open, FileAccess.ReadWrite, FileShare.None);
}
catch (Exception ex2)
{
//_log.WriteLog(ex2, "Error in checking whether file is locked " + file);
int errorCode = Marshal.GetHRForException(ex2) & ((1 << 16) - 1);
if ((ex2 is IOException) && (errorCode == ERROR_SHARING_VIOLATION || errorCode == ERROR_LOCK_VIOLATION))
{
return true;
}
}
finally
{
if (stream != null)
stream.Close();
}
}
return false;
}
}
}
