Example #1
0
        public void RaiseNotifications(IndexChange indexChange)
        {
            OnIndexChange?.Invoke(indexChange);

            foreach (var connection in Connections)
            {
                connection.Value.SendIndexChanges(indexChange);
            }
        }
        public void SendIndexChanges(IndexChange change)
        {
            if (_watchAllIndexes > 0)
            {
                Send(change);
                return;
            }

            if (change.Name != null && _matchingIndexes.Contains(change.Name))
            {
                Send(change);
            }
        }
Example #3
0
    public bool AddIndexChange(Index target, Index.CHANGE change)
    {
        IndexChange newChange = new IndexChange(target, change);

        if (allChanges.Contains(newChange))
        {
            Global.Methods.PrintError("This index change was added previously: " + newChange);
            return(false);
        }
        allChanges.Add(newChange);
        Global.Methods.PrintInfo("New value change added: " + newChange);
        return(true);
    }
Example #4
0
        private void AddIndexIfNecessary(IndexChange change)
        {
            if (change.Type != IndexChangeTypes.IndexAdded)
            {
                return;
            }

            Task.Factory.StartNew(async() =>
            {
                await _locker.WaitAsync();

                try
                {
                    if (_loadedIndexes.ContainsKey(change.Name))
                    {
                        return;
                    }

                    var database = await _databaseLandlord.TryGetOrCreateResourceStore(_databaseName);

                    using (database.ServerStore.ContextPool.AllocateOperationContext(out TransactionOperationContext context))
                    {
                        context.OpenReadTransaction();

                        var mapping = GetIndexMapping(context, database.ServerStore, database.Name);
                        if (mapping.ContainsKey(change.Name) == false)
                        {
                            context.CloseTransaction();

                            var result = await database.ServerStore.SendToLeaderAsync(new UpdateSnmpDatabaseIndexesMappingCommand(_databaseName, new List <string>
                            {
                                change.Name
                            }, RaftIdGenerator.NewId()));

                            await database.ServerStore.Cluster.WaitForIndexNotification(result.Index);

                            context.OpenReadTransaction();

                            mapping = GetIndexMapping(context, database.ServerStore, database.Name);
                        }

                        LoadIndex(change.Name, (int)mapping[change.Name]);
                    }
                }
                finally
                {
                    _locker.Release();
                }
            });
        }
        private void Send(IndexChange change)
        {
            var value = new DynamicJsonValue
            {
                ["Type"]  = nameof(IndexChange),
                ["Value"] = change.ToJson()
            };

            if (_disposeToken.IsCancellationRequested == false)
            {
                _sendQueue.Enqueue(new ChangeValue
                {
                    ValueToSend = value,
                    AllowSkip   = change.Type == IndexChangeTypes.BatchCompleted
                });
            }
        }
Example #6
0
        private void OnIndexChange(IndexChange change)
        {
            IndexAndPerformanceStatsList indexAndPerformanceStats;

            switch (change.Type)
            {
            case IndexChangeTypes.IndexRemoved:
                _perIndexStats.TryRemove(change.Name, out indexAndPerformanceStats);
                return;

            case IndexChangeTypes.Renamed:
                var indexRenameChange = change as IndexRenameChange;
                Debug.Assert(indexRenameChange != null);
                _perIndexStats.TryRemove(indexRenameChange.OldIndexName, out indexAndPerformanceStats);
                break;
            }

            if (change.Type != IndexChangeTypes.BatchCompleted && change.Type != IndexChangeTypes.IndexPaused)
            {
                return;
            }

            if (_perIndexStats.TryGetValue(change.Name, out indexAndPerformanceStats) == false)
            {
                var index = Database.IndexStore.GetIndex(change.Name);
                if (index == null)
                {
                    return;
                }

                indexAndPerformanceStats = new IndexAndPerformanceStatsList(change.Name);
                _perIndexStats.TryAdd(change.Name, indexAndPerformanceStats);
            }

            var indexInstance = Database.IndexStore.GetIndex(indexAndPerformanceStats.Handler);
            var latestStat    = indexInstance?.GetLatestIndexingStat();

            if (latestStat != null)
            {
                indexAndPerformanceStats.Performance.Add(latestStat);
            }
        }