/// <summary>
/// Prepares and executes robocopy backup command.
/// </summary>
/// <param name="task"><see cref="Task"/> to run.</param>
public static void RunBackup(Task task)
{
string timestamp = DateTime.Now.ToString("yyyy-MM-dd_HH-mm-ss");
string logFile = GetLogName(task.Guid, timestamp);
string destDir = Path.Combine(task.Destination, timestamp);
string latestLink = Path.Combine(task.Destination, "latest");
try {
if (task.Method == Method.Differential && task.Retention > 1)
{
try {
CopyDirectoryStructure(latestLink, destDir);
CopyHardlinkStructure(latestLink, destDir);
} catch { /* Ignore if the latestLink doesn't exist or points to invalid directory */ }
}
string uncPath = Unc.IsUncPath(task.Source) ? task.Source : Unc.IsUncPath(task.Destination) ? task.Destination : null;
using (Unc unc = new Unc(uncPath)) {
unc.Connect(Credential.Decrypt(task.Guid, task.Credential));
RunRobocopy(task, logFile, destDir);
}
if (task.Retention > 1)
{
CreateLatestSymlink(destDir, latestLink);
DeleteOldDirs(task.Destination, task.Retention);
}
} catch (Exception e) {
using (StreamWriter streamWriter = new StreamWriter(logFile, true)) {
streamWriter.Write(e.Message);
streamWriter.Write(e.StackTrace);
}
}
}
/// <summary>
/// <see cref="sourceButton.Click"/> event handler. Displays source folder selection dialog.
/// </summary>
private void SourceButton_Click(object sender, EventArgs e)
{
if (sourceFolderBrowserDialog.ShowDialog() == DialogResult.OK)
{
sourceTextBox.Text = sourceFolderBrowserDialog.SelectedPath = Unc.TranslatePath(sourceFolderBrowserDialog.SelectedPath);
PopulateSourceTreeView();
}
}
/// <summary>
/// Enables or disables network credentials controls based on the source and destination directory UNC conformance.
/// </summary>
private void CheckUncPath()
{
bool unc = Unc.IsUncPath(sourceTextBox.Text) || Unc.IsUncPath(destinationTextBox.Text);
usernameTextBox.Enabled = unc;
passwordTextBox.Enabled = unc;
if (!unc)
{
usernameTextBox.Text = string.Empty;
passwordTextBox.Text = string.Empty;
}
}
/// <summary>
/// <see cref="destinationButton.Click"/> event handler. Displays destination folder selection dialog.
/// </summary>
private void DestinationButton_Click(object sender, EventArgs e)
{
if (destinationFolderBrowserDialog.ShowDialog() == DialogResult.OK)
{
destinationTextBox.Text = destinationFolderBrowserDialog.SelectedPath = Unc.TranslatePath(destinationFolderBrowserDialog.SelectedPath);
}
}