public ResolveConflictOnReplicationConfigurationChange(ReplicationLoader replicationLoader, Logger log)
{
_replicationLoader = replicationLoader ??
throw new ArgumentNullException($"{nameof(ResolveConflictOnReplicationConfigurationChange)} must have replicationLoader instance");
_database = _replicationLoader.Database;
_log = log;
}
public OutgoingReplicationHandler(ReplicationLoader parent, DocumentDatabase database, ReplicationNode node, bool external, TcpConnectionInfo connectionInfo)
{
_parent = parent;
_database = database;
Destination = node;
_external = external;
_log = LoggingSource.Instance.GetLogger <OutgoingReplicationHandler>(_database.Name);
_connectionInfo = connectionInfo;
_database.Changes.OnDocumentChange += OnDocumentChange;
_cts = CancellationTokenSource.CreateLinkedTokenSource(_database.DatabaseShutdown);
}
private bool ShouldSkip(ReplicationBatchItem item, OutgoingReplicationStatsScope stats, SkippedReplicationItemsInfo skippedReplicationItemsInfo)
{
if (ValidatorSaysToSkip(_pathsToSend) || ValidatorSaysToSkip(_destinationAcceptablePaths))
{
return(true);
}
if (_shouldSkipSendingTombstones && ReplicationLoader.IsOfTypePreventDeletions(item))
{
return(true);
}
switch (item)
{
case DocumentReplicationItem doc:
if (doc.Flags.Contain(DocumentFlags.Artificial))
{
stats.RecordArtificialDocumentSkip();
skippedReplicationItemsInfo.Update(item, isArtificial: true);
return(true);
}
if (doc.Flags.Contain(DocumentFlags.Revision) || doc.Flags.Contain(DocumentFlags.DeleteRevision))
{
// we let pass all the conflicted/resolved revisions, since we keep them with their original change vector which might be `AlreadyMerged` at the destination.
if (doc.Flags.Contain(DocumentFlags.Conflicted) ||
doc.Flags.Contain(DocumentFlags.Resolved) ||
(doc.Flags.Contain(DocumentFlags.FromClusterTransaction)))
{
return(false);
}
}
break;
case AttachmentReplicationItem _:
if (MissingAttachmentsInLastBatch)
{
return(false);
}
break;
}
// destination already has it
if (_parent._database.DocumentsStorage.GetConflictStatus(item.ChangeVector, _parent.LastAcceptedChangeVector) == ConflictStatus.AlreadyMerged)
{
stats.RecordChangeVectorSkip();
skippedReplicationItemsInfo.Update(item);
return(true);
}
return(false);
bool ValidatorSaysToSkip(AllowedPathsValidator validator)
{
if (validator == null)
{
return(false);
}
if (validator.ShouldAllow(item))
{
return(false);
}
stats.RecordArtificialDocumentSkip();
skippedReplicationItemsInfo.Update(item);
if (_log.IsInfoEnabled)
{
string key = validator.GetItemInformation(item);
_log.Info($"Will skip sending {key} ({item.Type}) because it was not allowed according to the incoming .");
}
return(true);
}
}
