public bool IsIdentical(DirectoryPicture otherSnapshot)
{
bool bResult = false;
if (m_snapshot.Count > 0 && m_snapshot.Count == otherSnapshot.m_snapshot.Count)
{
int exact = 0;
foreach (string name in m_snapshot.Keys)
{
Win32FindData local = (Win32FindData)m_snapshot[name];
Win32FindData other = (Win32FindData)otherSnapshot.m_snapshot[name];
if (other != null)
{
if (local.Equal(other))
{
exact++;
}
}
else
{
break;
}
}
bResult = (exact == m_snapshot.Count);
}
return(bResult);
}
public void AddSnapshoot(Guid guid, DirectoryPicture picture)
{
if (picture != null)
{
Snapshoot s = new Snapshoot();
s.m_guid = guid;
foreach (FileNotify2.DirectoryPicture.Win32FindData data in picture.m_snapshot.Values)
{
s.m_files.Add(data);
}
m_snapshoots.Add(s);
}
}
public DirectoryPicture ToDirectoryPicture(Guid guid)
{
DirectoryPicture result = new DirectoryPicture();
foreach (Snapshoot ss in m_snapshoots)
{
if (ss.m_guid == guid)
{
foreach (FileNotify2.DirectoryPicture.Win32FindData file in ss.m_files)
{
result.m_snapshot[file.cFileName] = file;
}
}
}
return(result);
}
public static DirectoryPicture TakeSnapshot(string directory)
{
//Console.WriteLine("Snapshot " + directory);
DirectoryPicture result = new DirectoryPicture();
IntPtr INVALID_HANDLE_VALUE = new IntPtr(-1);
WIN32_FIND_DATA findData;
IntPtr findHandle = FindFirstFile(directory, out findData);
if (findHandle != INVALID_HANDLE_VALUE)
{
do
{
if ((findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
{
result.m_snapshot[findData.cFileName] = new Win32FindData(findData);
}
}while (FindNextFile(findHandle, out findData));
FindClose(findHandle);
}
return(result);
}
public void Start()
{
bool exit = false;
Settings settings = Settings.LoadFromFile(AppDomain.CurrentDomain.BaseDirectory + "\\fileNotify2.xml");
// Try to load script assembly
foreach (Setting setting in settings.m_settings)
{
setting.m_lastExecute = DateTime.Now;
IScript script = LoadScript(setting.m_guid.ToString() + ".dll");
if (script != null)
{
Factory.GetInstance().AddInstance(setting.m_guid, script);
}
}
Snapshoots snapshoots = Snapshoots.LoadFromFile(AppDomain.CurrentDomain.BaseDirectory + "\\snapshoots.xml");
foreach (Setting setting in settings.m_settings)
{
setting.m_lastPicture = snapshoots.ToDirectoryPicture(setting.m_guid);
}
do
{
// Find next directory snapshot
DateTime now = DateTime.Now;
TimeSpan nextts = TimeSpan.MaxValue;
Setting nexts = null;
foreach (Setting setting in settings.m_settings)
{
if (setting.m_active)
{
TimeSpan next = setting.m_cron.GetNextTime(now) - now;
if (next < nextts)
{
nextts = next;
nexts = setting;
}
}
}
if (nexts != null)
{
if (nexts.m_lastExecute.AddSeconds(5) > now)
{
nextts = nexts.m_cron.GetNextTime(now.AddSeconds(5)) - now;
}
// Wait before doing the snapshot
Console.WriteLine("Wait {0} before executin {1}", nextts, nexts.m_name);
if (m_exit.WaitOne(nextts, false))
{
exit = true;
}
else
{
Console.WriteLine("Execute " + nexts.m_name);
nexts.m_lastExecute = DateTime.Now;
// Do the snapshoot
if (string.IsNullOrEmpty(nexts.m_filter))
{
nexts.m_filter = "*";
}
DirectoryPicture picture = DirectoryPicture.TakeSnapshot(nexts.m_directory + "\\" + nexts.m_filter);
if (nexts.m_lastPicture != null)
{
if (!nexts.m_lastPicture.IsIdentical(picture))
{
IScript script = Factory.GetInstance().FindInstance(nexts.m_guid);
if (script == null && !string.IsNullOrEmpty(nexts.m_script))
{
script = CompileScript(nexts);
if (script != null)
{
Factory.GetInstance().AddInstance(nexts.m_guid, script);
}
else
{
Console.WriteLine("Error compiling {0}", nexts.m_name);
}
}
if (script != null)
{
script.m_directory = nexts.m_directory;
// Missing files
foreach (FileNotify2.DirectoryPicture.Win32FindData data in nexts.m_lastPicture.m_snapshot.Values)
{
if (!picture.m_snapshot.ContainsKey(data.cFileName))
{
script.DeletedFile(data);
}
}
// New files
foreach (FileNotify2.DirectoryPicture.Win32FindData data in picture.m_snapshot.Values)
{
if (!nexts.m_lastPicture.m_snapshot.ContainsKey(data.cFileName))
{
script.NewFile(data);
}
}
// Changed files and identical one
foreach (FileNotify2.DirectoryPicture.Win32FindData data in nexts.m_lastPicture.m_snapshot.Values)
{
FileNotify2.DirectoryPicture.Win32FindData data2 = picture.m_snapshot[data.cFileName] as FileNotify2.DirectoryPicture.Win32FindData;
if (data2 != null)
{
if (data2.Equal(data))
{
script.IdenticalFile(data);
}
else
{
script.ChangedFile(data, data2);
}
}
}
// Identical files
}
}
}
nexts.m_lastPicture = picture;
}
}
else
{
exit = true; // All rule are desactivated
}
}while (!exit);
// Persist snapshoots
snapshoots = new Snapshoots();
foreach (Setting s in settings.m_settings)
{
if (s.m_persistant)
{
snapshoots.AddSnapshoot(s.m_guid, s.m_lastPicture);
}
}
snapshoots.SaveToFile(AppDomain.CurrentDomain.BaseDirectory + "\\snapshoots.xml");
}
