private FileBackupManager()
{
_log.Trace();
try
{
var config = Config.Instance;
var backupUri = new Uri(config.Backup.Path);
if (backupUri.IsUnc && !string.IsNullOrEmpty(config.Backup.Username))
{
_log.InfoFormat("impersonate as user '{0}'", config.Backup.Username);
_windowsImpersonationContext = Impersonater.LogOn(config.Backup.Username, config.Backup.Password);
}
//create resources
// file system watcher map
_fileSystemWatcherMap = new Dictionary <string, FileSystemWatcher>();
_invalidCharsRegex = new Regex(@"[\W-[\.]]", RegexOptions.Compiled);
_fileExtension = new string[config.NumberOfBackupCopies.Value];
for (int i = 0; i < _fileExtension.Length; i++)
{
_fileExtension[i] = string.Format(".{0}.bak", (i > 9 ? i.ToString() : "0" + i.ToString()));
}
_backupDir = Path.Combine(config.Backup.Path, System.Net.Dns.GetHostName());
//var writePermission = new FileIOPermission(FileIOPermissionAccess.Write | FileIOPermissionAccess.Read | FileIOPermissionAccess.Append, _backupDir);
//writePermission.Demand();
Directory.CreateDirectory(_backupDir);
//start jobs
var activeWatcher = false;
foreach (Configuration.Folder f in config.FolderList)
{
activeWatcher |= CreateFileSystemWatcher(f.Path, f.Recursive);
}
if (activeWatcher)
{
FileBackupJob.StartInitialBackup();
}
}
catch (Exception ex)
{
_log.Fatal(string.Format("Failed to create file backup manager - {0}: {1}", ex.GetType().FullName, ex.Message), ex);
ex.WriteEventLog();
throw;
}
}
private void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
// STOP
foreach (FileSystemWatcher fsw in _fileSystemWatcherMap.Values)
{
//fsw.EnableRaisingEvents = false;
fsw.Dispose();
}
_fileSystemWatcherMap.Clear();
// wait on pending jobs... for a maximum of 10 seconds
DateTime startTime = DateTime.Now;
TimeSpan timeout = new TimeSpan(0, 0, 10);
while (FileBackupJob.PendingJobs && (DateTime.Now - startTime) < timeout)
{
try
{
System.Threading.Thread.Sleep(1000);
}
catch { }
}
//if (backupIdentity != null)
//{
// backupIdentity.Dispose();
// backupIdentity = null;
//}
if (_windowsImpersonationContext != null)
{
Impersonater.LogOff(_windowsImpersonationContext);
_windowsImpersonationContext.Dispose();
_windowsImpersonationContext = null;
}
}
FileBackupManager._singleton = null;
_disposed = true;
}
}
