/// <summary>
/// Method that will initiate the watcher
/// </summary>
public void Run()
{
Logger.Info("Initialisation of the file watcher");
try
{
Watcher = new FileSystemWatcher();
Watcher.Path = source;
Watcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName | NotifyFilters.LastAccess;
Watcher.Filter = "*.*";
Watcher.Changed += new FileSystemEventHandler(NewOrChangedFile);
Watcher.Created += new FileSystemEventHandler(NewOrChangedFile);
Watcher.Deleted += new FileSystemEventHandler(DeletedFile);
Watcher.Renamed += new RenamedEventHandler(RenamedFile);
Watcher.EnableRaisingEvents = true;
Watcher.IncludeSubdirectories = false;
Watcher.InternalBufferSize = 2621440;
watcherRunning = true;
// Start a new thread for the file to check
Thread t = new Thread(() => FileDiffEvaluator.UpdateBackupLastTime(destination));
t.IsBackground = true;
t.Start();
}
catch (Exception)
{
Logger.Error("Initialisation of the watcher did not work");
throw;
}
Logger.Info("Initialisation of the watcher completed");
}
/// <summary>
/// Method that will trigger when a file is renamed
/// </summary>
/// <param name="obj"></param>
/// <param name="e"></param>
private void RenamedFile(object obj, RenamedEventArgs e)
{
Logger.Info("Renamed file triggered");
// Start a new thread of the file to lower the wait time of the watcher
Thread t = new Thread(() => FileDiffEvaluator.RenamedFile(e, source, destination));
t.Start();
}
/// <summary>
/// Method that will trigger on new or changed file
/// </summary>
/// <param name="obj"></param>
/// <param name="e"></param>
private void NewOrChangedFile(object obj, FileSystemEventArgs e)
{
Logger.Info("New file triggered");
// Start a new thread of the file to lower the wait time of the watcher
Thread t = new Thread(() => FileDiffEvaluator.NewOrChangedFile(e, source, destination));
t.Start();
}
/// <summary>
/// Method that make a first copy of the source folder
/// </summary>
public void InitNew()
{
Logger.Info("Init first copy of a new backup ");
// Get the list of files in a directory
string[] files = Directory.GetFiles(source);
// For each files in the directory
foreach (var item in files)
{
// Copy the file using a thread
FileSystemEventArgs e = new FileSystemEventArgs(WatcherChangeTypes.All, source, Path.GetFileName(item));
Thread t = new Thread(() => FileDiffEvaluator.NewOrChangedFile(e, source, destination));
t.Start();
}
// Call run when the init is done
Run();
}
/// <summary>
/// Method that will make a copy of the file that changed when the watcher is offline
/// </summary>
public void InitStart()
{
Logger.Info("Init the startup of a backup");
// If the time file exist
if (File.Exists(Path.Combine(destination, FileDiffEvaluator.StatusFile)))
{
// Get the time of the modification of the file
DateTime modification = File.GetLastWriteTime(Path.Combine(destination, FileDiffEvaluator.StatusFile));
// Get the file list of the directory
string[] files = Directory.GetFiles(source);
// For each of the file
foreach (var item in files)
{
// Start a new thread that will update all the file of a backup folder
Thread t = new Thread(() => FileDiffEvaluator.UpdateFileByDate(modification, item, source, destination));
t.Start();
}
// Get all the files in the destination folder
files = Directory.GetFiles(destination);
// For each of thoses files
foreach (var item in files)
{
// If the file doesn't exist in the source, it means that it have been deleted
if (item != null && !File.Exists(Path.Combine(source, Path.GetFileName(item))))
{
// Create a FileSystemEvent for the deleted file
FileSystemEventArgs e = new FileSystemEventArgs(WatcherChangeTypes.All, source, Path.GetFileName(item));
// Launch the delete function to delete the file
DeletedFile(new object(), e);
}
}
}
// Call run to start the watcher
Run();
}