Пример #1
0
        /**
         * Reads the next token from the stream and returns it.
         *
         * @param	BinaryStream	Stream used to serialize from
         * @param	InNetworkStream	Network stream this token belongs to
         * @return	Token serialized
         */
        public static TokenBase ReadNextToken(BinaryReader BinaryStream, NetworkStream InNetworkStream)
        {
            TokenBase SerializedToken = null;

            ETokenTypes TokenType = (ETokenTypes)BinaryStream.ReadByte();

            // Handle token specific serialization.
            switch (TokenType)
            {
            case ETokenTypes.FrameMarker:
                SerializedToken = new TokenFrameMarker(BinaryStream);
                break;

            case ETokenTypes.SocketSendTo:
                SerializedToken = new TokenSocketSendTo(BinaryStream);
                break;

            case ETokenTypes.SendBunch:
                SerializedToken = new TokenSendBunch(BinaryStream);
                break;

            case ETokenTypes.SendRPC:
                SerializedToken = new TokenSendRPC(BinaryStream);
                break;

            case ETokenTypes.ReplicateActor:
                SerializedToken = new TokenReplicateActor(BinaryStream);
                break;

            case ETokenTypes.ReplicateProperty:
                SerializedToken = new TokenReplicateProperty(BinaryStream);
                break;

            case ETokenTypes.EndOfStreamMarker:
                SerializedToken = new TokenEndOfStreamMarker();
                break;

            case ETokenTypes.Event:
                SerializedToken = new TokenEvent(BinaryStream);
                break;

            case ETokenTypes.RawSocketData:
                SerializedToken = new TokenRawSocketData(BinaryStream);
                break;

            default:
                throw new InvalidDataException();
            }

            TokenTypeStats[(int)TokenType]++;
            SerializedToken.NetworkStream = InNetworkStream;
            SerializedToken.TokenType     = TokenType;
            return(SerializedToken);
        }
Пример #2
0
        /**
         * Reads the next token from the stream and returns it.
         *
         * @param	BinaryStream	Stream used to serialize from
         * @param	InNetworkStream	Network stream this token belongs to
         * @return	Token serialized
         */
        public static TokenBase ReadNextToken(BinaryReader BinaryStream, NetworkStream InNetworkStream)
        {
            TokenBase SerializedToken = null;

            ETokenTypes TokenType = (ETokenTypes)BinaryStream.ReadByte();

            // Handle token specific serialization.
            switch (TokenType)
            {
            case ETokenTypes.FrameMarker:
                SerializedToken = new TokenFrameMarker(BinaryStream);
                break;

            case ETokenTypes.SocketSendTo:
                SerializedToken = new TokenSocketSendTo(BinaryStream);
                break;

            case ETokenTypes.SendBunch:
                SerializedToken = new TokenSendBunch(BinaryStream);
                break;

            case ETokenTypes.SendRPC:
                SerializedToken = new TokenSendRPC(BinaryStream);
                break;

            case ETokenTypes.ReplicateActor:
                SerializedToken = new TokenReplicateActor(BinaryStream);
                break;

            case ETokenTypes.ReplicateProperty:
                SerializedToken = new TokenReplicateProperty(BinaryStream);
                break;

            case ETokenTypes.EndOfStreamMarker:
                SerializedToken = new TokenEndOfStreamMarker();
                break;

            case ETokenTypes.Event:
                SerializedToken = new TokenEvent(BinaryStream);
                break;

            case ETokenTypes.RawSocketData:
                SerializedToken = new TokenRawSocketData(BinaryStream);
                break;

            case ETokenTypes.SendAck:
                SerializedToken = new TokenSendAck(BinaryStream);
                break;

            case ETokenTypes.WritePropertyHeader:
                SerializedToken = new TokenWritePropertyHeader(BinaryStream);
                break;

            case ETokenTypes.ExportBunch:
                SerializedToken = new TokenExportBunch(BinaryStream);
                break;

            case ETokenTypes.MustBeMappedGuids:
                SerializedToken = new TokenMustBeMappedGuids(BinaryStream);
                break;

            case ETokenTypes.BeginContentBlock:
                SerializedToken = new TokenBeginContentBlock(BinaryStream);
                break;

            case ETokenTypes.EndContentBlock:
                SerializedToken = new TokenEndContentBlock(BinaryStream);
                break;

            case ETokenTypes.WritePropertyHandle:
                SerializedToken = new TokenWritePropertyHandle(BinaryStream);
                break;

            case ETokenTypes.NameReference:
                SerializedToken = new TokenNameReference(BinaryStream);
                break;

            case ETokenTypes.ConnectionReference:
                SerializedToken = new TokenConnectionReference(BinaryStream);
                break;

            case ETokenTypes.ConnectionChange:
                SerializedToken = new TokenConnectionChanged(BinaryStream);
                break;

            default:
                throw new InvalidDataException();
            }

            TokenTypeStats[(int)TokenType]++;
            SerializedToken.NetworkStream = InNetworkStream;
            SerializedToken.TokenType     = TokenType;

            SerializedToken.ConnectionIndex = InNetworkStream.CurrentConnectionIndex;
            return(SerializedToken);
        }
Пример #3
0
        protected void UpdateSummary(TokenBase Token, FilterValues InFilterValues)
        {
            switch (Token.TokenType)
            {
            case ETokenTypes.FrameMarker:
                var TokenFrameMarker = (TokenFrameMarker)Token;
                if (StartTime < 0)
                {
                    StartTime = TokenFrameMarker.RelativeTime;
                    EndTime   = TokenFrameMarker.RelativeTime;
                }
                else
                {
                    EndTime = TokenFrameMarker.RelativeTime;
                }
                NumFrames++;
                break;

            case ETokenTypes.SocketSendTo:
                var TokenSocketSendTo = (TokenSocketSendTo)Token;
                // Unreal game socket
                if (TokenSocketSendTo.SocketNameIndex == NameIndexUnreal)
                {
                    UnrealSocketCount++;
                    UnrealSocketSize += TokenSocketSendTo.BytesSent;
                }
                else
                {
                    OtherSocketCount++;
                    OtherSocketSize += TokenSocketSendTo.BytesSent;
                }
                break;

            case ETokenTypes.SendBunch:
                var TokenSendBunch = (TokenSendBunch)Token;
                SendBunchCount++;
                SendBunchSizeBits       += TokenSendBunch.GetNumTotalBits();
                SendBunchHeaderSizeBits += TokenSendBunch.NumHeaderBits;

                int ChannelTypeIndex = TokenSendBunch.GetChannelTypeIndex();

                if (SendBunchCountPerChannel.ContainsKey(ChannelTypeIndex))
                {
                    SendBunchCountPerChannel[ChannelTypeIndex]++;
                    SendBunchSizeBitsPerChannel[ChannelTypeIndex]        += TokenSendBunch.GetNumTotalBits();
                    SendBunchHeaderSizeBitsPerChannel[ChannelTypeIndex]  += TokenSendBunch.NumHeaderBits;
                    SendBunchPayloadSizeBitsPerChannel[ChannelTypeIndex] += TokenSendBunch.NumPayloadBits;
                }
                else
                {
                    SendBunchCountPerChannel.Add(ChannelTypeIndex, 1);
                    SendBunchSizeBitsPerChannel.Add(ChannelTypeIndex, TokenSendBunch.GetNumTotalBits());
                    SendBunchHeaderSizeBitsPerChannel.Add(ChannelTypeIndex, TokenSendBunch.NumHeaderBits);
                    SendBunchPayloadSizeBitsPerChannel.Add(ChannelTypeIndex, TokenSendBunch.NumPayloadBits);
                }

                break;

            case ETokenTypes.SendRPC:
                var TokenSendRPC = (TokenSendRPC)Token;
                RPCCount++;
                RPCSizeBits += TokenSendRPC.GetNumTotalBits();
                break;

            case ETokenTypes.ReplicateActor:
                var TokenReplicateActor = (TokenReplicateActor)Token;
                ActorCount++;

                if (TokenReplicateActor.Properties.Count > 0)
                {
                    ReplicatedActorCount++;
                }

                ActorReplicateTimeInMS += TokenReplicateActor.TimeInMS;

                foreach (var Property in TokenReplicateActor.Properties)
                {
                    if (Property.MatchesFilters(InFilterValues))
                    {
                        PropertyCount++;
                        ReplicatedSizeBits += Property.NumBits;
                    }
                }

                foreach (var PropertyHeader in TokenReplicateActor.PropertyHeaders)
                {
                    if (PropertyHeader.MatchesFilters(InFilterValues))
                    {
                        ReplicatedSizeBits += PropertyHeader.NumBits;
                    }
                }

                UniqueActors.AddItem(TokenReplicateActor, TokenReplicateActor.GetClassNameIndex());

                break;

            case ETokenTypes.Event:
                NumEvents++;
                break;

            case ETokenTypes.RawSocketData:
                break;

            case ETokenTypes.SendAck:
                var TokenSendAck = (TokenSendAck)Token;
                SendAckCount++;
                SendAckSizeBits += TokenSendAck.NumBits;
                break;

            case ETokenTypes.ExportBunch:
                var TokenExportBunch = (TokenExportBunch)Token;
                ExportBunchCount++;
                ExportBunchSizeBits += TokenExportBunch.NumBits;
                break;

            case ETokenTypes.MustBeMappedGuids:
                var TokenMustBeMappedGuids = (TokenMustBeMappedGuids)Token;
                MustBeMappedGuidCount    += TokenMustBeMappedGuids.NumGuids;
                MustBeMappedGuidSizeBits += TokenMustBeMappedGuids.NumBits;
                break;

            case ETokenTypes.BeginContentBlock:
                var TokenBeginContentBlock = (TokenBeginContentBlock)Token;
                ContentBlockHeaderCount++;
                ContentBlockHeaderSizeBits += TokenBeginContentBlock.NumBits;
                break;

            case ETokenTypes.EndContentBlock:
                var TokenEndContentBlock = (TokenEndContentBlock)Token;
                ContentBlockFooterCount++;
                ContentBlockFooterSizeBits += TokenEndContentBlock.NumBits;
                break;

            case ETokenTypes.WritePropertyHandle:
                var TokenWritePropertyHandle = (TokenWritePropertyHandle)Token;
                PropertyHandleCount++;
                PropertyHandleSizeBits += TokenWritePropertyHandle.NumBits;
                break;

            default:
                throw new System.IO.InvalidDataException();
            }
        }
Пример #4
0
        /**
         * Parses passed in data stream into a network stream container class
         *
         * @param	ParserStream	Raw data stream, needs to support seeking
         * @return	NetworkStream data was parsed into
         */
        public static NetworkStream Parse(Stream ParserStream)
        {
            var StartTime = DateTime.UtcNow;

            // Network stream the file is parsed into.
            NetworkStream NetworkStream = new NetworkStream();

            // Serialize the header. This will also return an endian-appropriate binary reader to
            // be used for reading the data.
            BinaryReader BinaryStream = null;
            var          Header       = StreamHeader.ReadHeader(ParserStream, out BinaryStream);

            // Keep track of token stream offset as name table is at end of file.
            long TokenStreamOffset = ParserStream.Position;

            // Seek to name table and serialize it.
            ParserStream.Seek(Header.NameTableOffset, SeekOrigin.Begin);
            for (int NameIndex = 0; NameIndex < Header.NameTableEntries; NameIndex++)
            {
                UInt32 Length = BinaryStream.ReadUInt32();
                NetworkStream.NameArray.Add(new string(BinaryStream.ReadChars((int)Length)));

                // Find "Unreal" name index used for misc socket parsing optimizations.
                if (NetworkStream.NameArray[NameIndex] == "Unreal")
                {
                    NetworkStream.NameIndexUnreal = NameIndex;
                }
            }

            // Seek to beginning of token stream.
            ParserStream.Seek(TokenStreamOffset, SeekOrigin.Begin);

            // Scratch variables used for building stream. Required as we emit information in reverse
            // order needed for parsing.
            var CurrentFrameTokens = new List <TokenBase>();
            TokenReplicateActor             LastActorToken      = null;
            List <TokenReplicateProperty>   LastProperties      = new List <TokenReplicateProperty>();
            List <TokenWritePropertyHeader> LastPropertyHeaders = new List <TokenWritePropertyHeader>();

            TokenFrameMarker LastFrameMarker = null;

            // Parse stream till we reach the end, marked by special token.
            bool bHasReachedEndOfStream = false;

            while (bHasReachedEndOfStream == false)
            {
                TokenBase Token = TokenBase.ReadNextToken(BinaryStream, NetworkStream);

                // Convert current tokens to frame if we reach a frame boundary or the end of the stream.
                if (((Token.TokenType == ETokenTypes.FrameMarker) || (Token.TokenType == ETokenTypes.EndOfStreamMarker))
                    // Nothing to do if we don't have any tokens, e.g. first frame.
                    && (CurrentFrameTokens.Count > 0))
                {
                    // Figure out delta time of previous frame. Needed as partial network stream lacks relative
                    // information for last frame. We assume 30Hz for last frame and for the first frame in case
                    // we receive network traffic before the first frame marker.
                    float DeltaTime = 1 / 30.0f;
                    if (Token.TokenType == ETokenTypes.FrameMarker && LastFrameMarker != null)
                    {
                        DeltaTime = ((TokenFrameMarker)Token).RelativeTime - LastFrameMarker.RelativeTime;
                    }

                    // Create per frame partial stream and add it to the full stream.
                    var FrameStream = new PartialNetworkStream(CurrentFrameTokens, NetworkStream.NameIndexUnreal, DeltaTime);
                    NetworkStream.Frames.Add(FrameStream);
                    CurrentFrameTokens.Clear();

                    Debug.Assert(LastProperties.Count == 0);                            // We shouldn't have any properties now
                    Debug.Assert(LastPropertyHeaders.Count == 0);                       // We shouldn't have any property headers now either

                    // Finish up actor summary of last pending actor before switching frames.
                    HandleActorSummary(NetworkStream, LastActorToken);
                    LastActorToken = null;
                }
                // Keep track of last frame marker.
                if (Token.TokenType == ETokenTypes.FrameMarker)
                {
                    LastFrameMarker = (TokenFrameMarker)Token;
                }

                // Bail out if we hit the end. We already flushed tokens above.
                if (Token.TokenType == ETokenTypes.EndOfStreamMarker)
                {
                    Debug.Assert(LastProperties.Count == 0);                            // We shouldn't have any properties now
                    Debug.Assert(LastPropertyHeaders.Count == 0);                       // We shouldn't have any property headers now either
                    bHasReachedEndOfStream = true;
                    // Finish up actor summary of last pending actor at end of stream
                    HandleActorSummary(NetworkStream, LastActorToken);
                }
                // Keep track of per frame tokens.
                else
                {
                    // Keep track of last actor context for property replication.
                    if (Token.TokenType == ETokenTypes.ReplicateActor)
                    {
                        // Encountered a new actor so we can finish up existing one for summary.
                        FinishActorProperties(Token as TokenReplicateActor, LastProperties, LastPropertyHeaders);
                        Debug.Assert(LastProperties.Count == 0);                                // We shouldn't have any properties now
                        Debug.Assert(LastPropertyHeaders.Count == 0);                           // We shouldn't have any property headers now either
                        HandleActorSummary(NetworkStream, LastActorToken);
                        LastActorToken = Token as TokenReplicateActor;
                    }
                    // Keep track of RPC summary
                    else if (Token.TokenType == ETokenTypes.SendRPC)
                    {
                        var TokenSendRPC = Token as TokenSendRPC;
                        NetworkStream.UpdateSummary(ref NetworkStream.RPCNameToSummary, TokenSendRPC.FunctionNameIndex, TokenSendRPC.GetNumTotalBits(), 0.0f);
                    }

                    // Add properties to the actor token instead of network stream and keep track of summary.
                    if (Token.TokenType == ETokenTypes.ReplicateProperty)
                    {
                        var TokenReplicateProperty = Token as TokenReplicateProperty;
                        NetworkStream.UpdateSummary(ref NetworkStream.PropertyNameToSummary, TokenReplicateProperty.PropertyNameIndex, TokenReplicateProperty.NumBits, 0);
                        //LastActorToken.Properties.Add(TokenReplicateProperty);
                        LastProperties.Add(TokenReplicateProperty);
                    }
                    else if (Token.TokenType == ETokenTypes.WritePropertyHeader)
                    {
                        var TokenWritePropertyHeader = Token as TokenWritePropertyHeader;
                        LastPropertyHeaders.Add(TokenWritePropertyHeader);
                    }
                    else
                    {
                        CurrentFrameTokens.Add(Token);
                    }
                }
            }

            // Stats for profiling.
            double ParseTime = (DateTime.UtcNow - StartTime).TotalSeconds;

            Console.WriteLine("Parsing {0} MBytes in stream took {1} seconds", ParserStream.Length / 1024 / 1024, ParseTime);

            // Empty stream will have 0 frames and proper name table. Shouldn't happen as we only
            // write out stream in engine if there are any events.
            return(NetworkStream);
        }
Пример #5
0
        /**
         * Parses passed in data stream into a network stream container class
         *
         * @param	ParserStream	Raw data stream, needs to support seeking
         * @return	NetworkStream data was parsed into
         */
        public static NetworkStream Parse(MainWindow InMainWindow, Stream ParserStream)
        {
            var StartTime = DateTime.UtcNow;

            // Network stream the file is parsed into.
            NetworkStream = new NetworkStream();

            // Serialize the header. This will also return an endian-appropriate binary reader to
            // be used for reading the data.
            BinaryReader BinaryStream = null;
            var          Header       = StreamHeader.ReadHeader(ParserStream, out BinaryStream);

            // Scratch variables used for building stream. Required as we emit information in reverse
            // order needed for parsing.
            var CurrentFrameTokens = new List <TokenBase>();
            TokenReplicateActor             LastActorToken      = null;
            List <TokenReplicateProperty>   LastProperties      = new List <TokenReplicateProperty>();
            List <TokenWritePropertyHeader> LastPropertyHeaders = new List <TokenWritePropertyHeader>();

            TokenFrameMarker LastFrameMarker = null;

            InMainWindow.ShowProgress(true);

            int Count = 0;

            var AllFrames = new PartialNetworkStream(NetworkStream.NameIndexUnreal, 1.0f / 30.0f);

            int EarlyOutMinutes = InMainWindow.GetMaxProfileMinutes();

            // Parse stream till we reach the end, marked by special token.
            bool bHasReachedEndOfStream = false;

            List <TokenBase> TokenList = new List <TokenBase>();

            float FrameStartTime = -1.0f;
            float FrameEndTime   = -1.0f;

            while (bHasReachedEndOfStream == false)
            {
                if (Count++ % 1000 == 0)
                {
                    float Percent = ( float )ParserStream.Position / ( float )ParserStream.Length;
                    InMainWindow.UpdateProgress(( int )(Percent * 100));
                }

                if (ParserStream.Position == ParserStream.Length)
                {
                    // We reached stream early (must not have been finalized properly, but we can still read it)
                    break;
                }

                TokenBase Token = null;

                try
                {
                    Token = TokenBase.ReadNextToken(BinaryStream, NetworkStream);
                }
                catch (System.IO.EndOfStreamException)
                {
                    // We reached stream early (must not have been finalized properly, but we can still read it)
                    break;
                }

                if (Token.TokenType == ETokenTypes.NameReference)
                {
                    NetworkStream.NameArray.Add((Token as TokenNameReference).Name);

                    // Find "Unreal" name index used for misc socket parsing optimizations.
                    if (NetworkStream.NameArray[NetworkStream.NameArray.Count - 1] == "Unreal")
                    {
                        NetworkStream.NameIndexUnreal = NetworkStream.NameArray.Count - 1;
                    }
                    continue;
                }

                if (Token.TokenType == ETokenTypes.ConnectionReference)
                {
                    NetworkStream.AddressArray.Add((Token as TokenConnectionReference).Address);
                    continue;
                }

                if (Token.TokenType == ETokenTypes.ConnectionChange)
                {
                    // We need to setup CurrentConnectionIndex, since it's used in ReadNextToken
                    NetworkStream.CurrentConnectionIndex = (Token as TokenConnectionChanged).AddressIndex;
                    continue;
                }

                TokenList.Add(Token);

                // Track frame start/end times manually so we can bail out when we hit the amount of time we want to load
                if (Token.TokenType == ETokenTypes.FrameMarker)
                {
                    var TokenFrameMarker = ( TokenFrameMarker )Token;

                    if (FrameStartTime < 0)
                    {
                        FrameStartTime = TokenFrameMarker.RelativeTime;
                        FrameEndTime   = TokenFrameMarker.RelativeTime;
                    }
                    else
                    {
                        FrameEndTime = TokenFrameMarker.RelativeTime;
                    }
                }

                if (EarlyOutMinutes > 0 && ((FrameEndTime - FrameStartTime) > 60 * EarlyOutMinutes))
                {
                    break;
                }
            }

            for (int i = 0; i < TokenList.Count; i++)
            {
                if (i % 1000 == 0)
                {
                    float Percent = ( float )(i + 1) / ( float )(TokenList.Count);
                    InMainWindow.UpdateProgress(( int )(Percent * 100));
                }

                TokenBase Token = TokenList[i];

                // Convert current tokens to frame if we reach a frame boundary or the end of the stream.
                if (((Token.TokenType == ETokenTypes.FrameMarker) || (Token.TokenType == ETokenTypes.EndOfStreamMarker))
                    // Nothing to do if we don't have any tokens, e.g. first frame.
                    && (CurrentFrameTokens.Count > 0))
                {
                    // Figure out delta time of previous frame. Needed as partial network stream lacks relative
                    // information for last frame. We assume 30Hz for last frame and for the first frame in case
                    // we receive network traffic before the first frame marker.
                    float DeltaTime = 1 / 30.0f;
                    if (Token.TokenType == ETokenTypes.FrameMarker && LastFrameMarker != null)
                    {
                        DeltaTime = ((TokenFrameMarker)Token).RelativeTime - LastFrameMarker.RelativeTime;
                    }

                    // Create per frame partial stream and add it to the full stream.
                    var FrameStream = new PartialNetworkStream(CurrentFrameTokens, NetworkStream.NameIndexUnreal, DeltaTime);

                    AllFrames.AddStream(FrameStream);

                    NetworkStream.Frames.Add(FrameStream);
                    CurrentFrameTokens.Clear();

                    Debug.Assert(LastProperties.Count == 0);                            // We shouldn't have any properties now
                    Debug.Assert(LastPropertyHeaders.Count == 0);                       // We shouldn't have any property headers now either

                    // Finish up actor summary of last pending actor before switching frames.
                    HandleActorSummary(NetworkStream, LastActorToken);
                    LastActorToken = null;
                }
                // Keep track of last frame marker.
                if (Token.TokenType == ETokenTypes.FrameMarker)
                {
                    LastFrameMarker = (TokenFrameMarker)Token;
                }

                // Bail out if we hit the end. We already flushed tokens above.
                if (Token.TokenType == ETokenTypes.EndOfStreamMarker)
                {
                    Debug.Assert(LastProperties.Count == 0);                            // We shouldn't have any properties now
                    Debug.Assert(LastPropertyHeaders.Count == 0);                       // We shouldn't have any property headers now either
                    bHasReachedEndOfStream = true;
                    // Finish up actor summary of last pending actor at end of stream
                    HandleActorSummary(NetworkStream, LastActorToken);
                }
                // Keep track of per frame tokens.
                else
                {
                    // Keep track of last actor context for property replication.
                    if (Token.TokenType == ETokenTypes.ReplicateActor)
                    {
                        // Encountered a new actor so we can finish up existing one for summary.
                        FinishActorProperties(Token as TokenReplicateActor, LastProperties, LastPropertyHeaders);
                        Debug.Assert(LastProperties.Count == 0);                                // We shouldn't have any properties now
                        Debug.Assert(LastPropertyHeaders.Count == 0);                           // We shouldn't have any property headers now either
                        HandleActorSummary(NetworkStream, LastActorToken);
                        LastActorToken = Token as TokenReplicateActor;
                    }
                    // Keep track of RPC summary
                    else if (Token.TokenType == ETokenTypes.SendRPC)
                    {
                        var TokenSendRPC = Token as TokenSendRPC;
                        NetworkStream.UpdateSummary(ref NetworkStream.RPCNameToSummary, TokenSendRPC.FunctionNameIndex, TokenSendRPC.GetNumTotalBits(), 0.0f);
                    }

                    // Add properties to the actor token instead of network stream and keep track of summary.
                    if (Token.TokenType == ETokenTypes.ReplicateProperty)
                    {
                        var TokenReplicateProperty = Token as TokenReplicateProperty;
                        NetworkStream.UpdateSummary(ref NetworkStream.PropertyNameToSummary, TokenReplicateProperty.PropertyNameIndex, TokenReplicateProperty.NumBits, 0);
                        //LastActorToken.Properties.Add(TokenReplicateProperty);
                        LastProperties.Add(TokenReplicateProperty);
                    }
                    else if (Token.TokenType == ETokenTypes.WritePropertyHeader)
                    {
                        var TokenWritePropertyHeader = Token as TokenWritePropertyHeader;
                        LastPropertyHeaders.Add(TokenWritePropertyHeader);
                    }
                    else
                    {
                        CurrentFrameTokens.Add(Token);
                    }
                }
            }

            InMainWindow.SetCurrentStreamSelection(NetworkStream, AllFrames, false);

            InMainWindow.ShowProgress(false);

            // Stats for profiling.
            double ParseTime = (DateTime.UtcNow - StartTime).TotalSeconds;

            Console.WriteLine("Parsing {0} MBytes in stream took {1} seconds", ParserStream.Length / 1024 / 1024, ParseTime);

            // Empty stream will have 0 frames and proper name table. Shouldn't happen as we only
            // write out stream in engine if there are any events.
            return(NetworkStream);
        }