private void TryInitFileWatcher(SyncState ss)
{
Debug.WriteLine($"TryInitFileWatcher('{ss.Config.Source}')");
if (ss.Watcher != null)
{
ss.Watcher.EnableRaisingEvents = false;
}
try
{
ss.Watcher = new FileSystemWatcher(Path.GetDirectoryName(ss.Config.Source));
}
catch (ArgumentException e)
{
Debug.WriteLine($"TryInitFileWatcher->Postpone({e.GetType().Name}, {e.Message})");
ss.Watcher = null;
ss.WatcherInitPostponed = true;
return;
}
ss.WatcherInitPostponed = false;
ss.Watcher.NotifyFilter = NotifyFilters.LastAccess | NotifyFilters.LastWrite | NotifyFilters.CreationTime;
ss.Watcher.Changed += (ps, pe) =>
{
Debug.WriteLine($"FileWatcher->Changed({pe.FullPath})");
if (Path.GetFullPath(ss.Config.Source) == Path.GetFullPath(pe.FullPath))
{
Debug.WriteLine($"FileWatcher->Changed->Done({ss.Config.Source})");
ForceSyncSingle(ss.Config.Source);
}
};
ss.Watcher.Created += (ps, pe) =>
{
Debug.WriteLine($"FileWatcher->Created({pe.FullPath})");
if (Path.GetFullPath(ss.Config.Source) == Path.GetFullPath(pe.FullPath))
{
Debug.WriteLine($"FileWatcher->Changed->Done({ss.Config.Source})");
ForceSyncSingle(ss.Config.Source);
}
};
ss.Watcher.EnableRaisingEvents = true;
}
private bool ShouldSync(SyncState entry)
{
if (entry.Config.Comparison == CompareMode.ALWAYS)
{
return(true);
}
if (entry.Config.Comparison == CompareMode.FILETIME)
{
var mt1 = File.GetLastWriteTime(entry.Config.Source);
var mt2 = File.GetLastWriteTime(entry.Config.Target);
return(!mt1.Equals(mt2));
}
if (entry.Config.Comparison == CompareMode.CHECKSUM)
{
var cs1 = Hash(entry.Config.Source);
var cs2 = Hash(entry.Config.Target);
return(cs1 != cs2);
}
return(false);
}
private bool DoSyncSingle(SyncState entry)
{
Debug.WriteLine($"DoSyncSingle({entry.Config.Target})");
try
{
if (!File.Exists(entry.Config.Source))
{
if (entry.Config.ModeSourceNotFound == ErrorMode.ERROR)
{
entry.State = SyncStateEnum.ERROR;
}
else if (entry.Config.ModeSourceNotFound == ErrorMode.WARN)
{
entry.State = SyncStateEnum.WARNING;
}
else if (entry.Config.ModeSourceNotFound == ErrorMode.IGNORE)
{
entry.State = SyncStateEnum.OK;
}
Debug.WriteLine($"DoSyncSingle->FileNotFound()");
return(true);
}
if (entry.Config.UseFilewatcher && entry.WatcherInitPostponed)
{
Debug.WriteLine($"DoSyncSingle->InitFileWatcher()");
TryInitFileWatcher(entry);
}
if (ShouldSync(entry))
{
Debug.WriteLine($"DoSyncSingle->Copy({entry.Config.Target})");
try
{
File.Copy(entry.Config.Source, entry.Config.Target, true);
}
catch (Exception e)
{
if (entry.Config.ModeCopyFail == ErrorMode.ERROR)
{
entry.State = SyncStateEnum.ERROR;
}
if (entry.Config.ModeCopyFail == ErrorMode.WARN)
{
entry.State = SyncStateEnum.WARNING;
}
if (entry.Config.ModeCopyFail == ErrorMode.IGNORE)
{
entry.State = SyncStateEnum.OK;
}
Debug.WriteLine($"DoSyncSingle->CopyException({e.GetType().Name}, {e.Message})");
return(true);
}
entry.LastCopy = DateTime.Now;
entry.State = SyncStateEnum.OK;
return(true);
}
entry.State = SyncStateEnum.OK;
return(false);
}
catch (Exception e)
{
Debug.WriteLine($"DoSyncSingle->Exception({e.GetType().Name}, {e.Message})");
entry.State = SyncStateEnum.ERROR;
return(true);
}
}
