public void SyncWithMaster(string masterDir, SyncOptions options, CancellationTokenSource cts)
{
var master = new Repository(masterDir, cts);
if (cts.Token.IsCancellationRequested)
{
return;
}
var task = Task.Factory
.StartNew(_ => PushTo(master, cts), cts)
.ContinueWith(_ => PullFrom(master, options ?? SyncOptions.Default(), cts), TaskContinuationOptions.NotOnCanceled)
.ContinueWith(_ => cts.Cancel());
task.Wait();
}
private void PullFrom(Repository master, SyncOptions options, CancellationTokenSource cts)
{
var mapByHash = Map.Values.ToDictionary(ci => ci.Sha1String);
var filesToCopy = master.Map.Values
.OrderBy(ci => ci.LastWriteTime)
.Reverse();
if (options.MaxLocalStorage != null)
{
long totalSize = 0;
filesToCopy = filesToCopy
.TakeWhile(ci =>
{
totalSize += ci.Length;
return totalSize < options.MaxLocalStorage;
});
// purge des fichiers en trop pour le repo local
var mapToCopy = filesToCopy.ToDictionary(f => f.FileName);
int countDeleted = 0;
foreach (var f in this.Map.Values)
{
if (mapToCopy.ContainsKey(f.FileName) == false)
{
// suppression du fichier
File.Delete(Path.Combine(this.RootPath, f.FileName));
countDeleted++;
}
}
_logger.InfoFormat("{0} fichiers supprimés pour respecter la taille max du repository : {1}", countDeleted, this.RootPath);
}
foreach (var f in filesToCopy)
{
if (cts.Token.IsCancellationRequested)
{
break;
}
if (!mapByHash.ContainsKey(f.Sha1String))
{
this.CopyFrom(master, f);
}
}
}