Exemplo n.º 1
0
        private void ReplicateTransformerDeletionIfNeeded(List <JsonDocument> transformerTombstones, ReplicationStrategy destination, Dictionary <string, int> replicatedTransformerTombstones)
        {
            if (transformerTombstones.Count == 0)
            {
                return;
            }

            foreach (var tombstone in transformerTombstones)
            {
                try
                {
                    int value;
                    if (Database.Transformers.GetTransformerDefinition(tombstone.Key) != null) //if in the meantime the transformer was recreated under the same name
                    {
                        replicatedTransformerTombstones.TryGetValue(tombstone.Key, out value);
                        replicatedTransformerTombstones[tombstone.Key] = value + 1;
                        continue;
                    }

                    var url = string.Format("{0}/transformers/{1}?{2}", destination.ConnectionStringOptions.Url, Uri.EscapeUriString(tombstone.Key), GetDebugInformation());
                    var replicationRequest = HttpRavenRequestFactory.Create(url, HttpMethods.Delete, destination.ConnectionStringOptions, Replication.GetRequestBuffering(destination));
                    replicationRequest.Write(RavenJObject.FromObject(EmptyRequestBody));
                    replicationRequest.ExecuteRequest();
                    Log.Info("Replicated transformer deletion (transformer name = {0})", tombstone.Key);
                    replicatedTransformerTombstones.TryGetValue(tombstone.Key, out value);
                    replicatedTransformerTombstones[tombstone.Key] = value + 1;
                }
                catch (Exception e)
                {
                    Replication.HandleRequestBufferingErrors(e, destination);

                    Log.ErrorException(string.Format("Failed to replicate transformer deletion (transformer name = {0})", tombstone.Key), e);
                }
            }
        }
Exemplo n.º 2
0
        public void SendLastQueried()
        {
            if (Database.Disposed)
            {
                return;
            }

            try
            {
                using (CultureHelper.EnsureInvariantCulture())
                {
                    var relevantIndexLastQueries = new Dictionary <string, DateTime>();
                    var relevantIndexes          = Database.Statistics.Indexes.Where(indexStats => indexStats.IsInvalidIndex == false && indexStats.Priority != IndexingPriority.Error && indexStats.Priority != IndexingPriority.Disabled && indexStats.LastQueryTimestamp.HasValue);

                    foreach (var relevantIndex in relevantIndexes)
                    {
                        relevantIndexLastQueries[relevantIndex.Name] = relevantIndex.LastQueryTimestamp.GetValueOrDefault();
                    }

                    if (relevantIndexLastQueries.Count == 0)
                    {
                        return;
                    }

                    var destinations = GetReplicationDestinations(x => x.SkipIndexReplication == false);

                    foreach (var destination in destinations)
                    {
                        try
                        {
                            string url = destination.ConnectionStringOptions.Url + "/indexes/last-queried";

                            var replicationRequest = HttpRavenRequestFactory.Create(url, HttpMethods.Post, destination.ConnectionStringOptions, Replication.GetRequestBuffering(destination));
                            replicationRequest.Write(RavenJObject.FromObject(relevantIndexLastQueries));
                            replicationRequest.ExecuteRequest();
                        }
                        catch (Exception e)
                        {
                            Replication.HandleRequestBufferingErrors(e, destination);

                            Log.WarnException("Could not update last query time of " + destination.ConnectionStringOptions.Url, e);
                        }
                    }
                }
            }
            catch (Exception e)
            {
                Log.ErrorException("Failed to send last queried timestamp of indexes", e);
            }
        }
Exemplo n.º 3
0
        private void ReplicateIndexDeletionIfNeeded(
            List <JsonDocument> indexTombstones,
            ReplicationStrategy destination,
            Dictionary <string, int> replicatedIndexTombstones)
        {
            if (indexTombstones.Count == 0)
            {
                return;
            }

            foreach (var tombstone in indexTombstones)
            {
                try
                {
                    int value;
                    //In case the index was recreated under the same name we will increase the destination count for this tombstone
                    //As if we sent the delete request but without actually sending the request, ending with a NOOP and deleting the index tombstone.
                    if (Database.IndexStorage.HasIndex(tombstone.Key))
                    {
                        replicatedIndexTombstones.TryGetValue(tombstone.Key, out value);
                        replicatedIndexTombstones[tombstone.Key] = value + 1;
                        continue;
                    }

                    var url = string.Format("{0}/indexes/{1}?{2}&{3}",
                                            destination.ConnectionStringOptions.Url,
                                            Uri.EscapeUriString(tombstone.Key),
                                            GetTombstoneVersion(tombstone, IndexDefinitionStorage.IndexVersionKey, Constants.IndexVersion),
                                            GetDebugInformation());
                    var replicationRequest = HttpRavenRequestFactory.Create(url, HttpMethods.Delete, destination.ConnectionStringOptions, Replication.GetRequestBuffering(destination));
                    replicationRequest.Write(RavenJObject.FromObject(EmptyRequestBody));
                    replicationRequest.ExecuteRequest();
                    Log.Info("Replicated index deletion (index name = {0})", tombstone.Key);

                    replicatedIndexTombstones.TryGetValue(tombstone.Key, out value);
                    replicatedIndexTombstones[tombstone.Key] = value + 1;
                }
                catch (Exception e)
                {
                    Replication.HandleRequestBufferingErrors(e, destination);

                    Log.ErrorException(string.Format("Failed to replicate index deletion (index name = {0})", tombstone.Key), e);
                }
            }
        }
Exemplo n.º 4
0
        private void ReplicateSingleTransformer(ReplicationStrategy destination, TransformerDefinition definition)
        {
            try
            {
                var clonedTransformer = definition.Clone();
                clonedTransformer.TransfomerId = 0;

                var url = destination.ConnectionStringOptions.Url + "/transformers/" + Uri.EscapeUriString(definition.Name) + "?" + GetDebugInformation();
                var replicationRequest = HttpRavenRequestFactory.Create(url, HttpMethod.Put, destination.ConnectionStringOptions, Replication.GetRequestBuffering(destination));
                replicationRequest.Write(RavenJObject.FromObject(clonedTransformer));
                replicationRequest.ExecuteRequest();
            }
            catch (Exception e)
            {
                Replication.HandleRequestBufferingErrors(e, destination);

                Log.WarnException("Could not replicate transformer " + definition.Name + " to " + destination.ConnectionStringOptions.Url, e);
            }
        }