/**
* 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 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;
}
public static void ParseStreamIntoChart( MainWindow InMainWindow, NetworkStream NetworkStream, Chart NetworkChart, FilterValues InFilterValues )
{
var StartTime = DateTime.UtcNow;
InMainWindow.ShowProgress( true );
// Save old scroll position
double OldPosition = NetworkChart.ChartAreas["DefaultChartArea"].AxisX.ScaleView.Position;
NetworkChart.BeginInit();
// Reset existing data.
for ( int i = 0; i < NetworkChart.Series.Count; i++ )
{
float Percent = ( float )i / ( float )NetworkChart.Series.Count;
InMainWindow.UpdateProgress( ( int )( Percent * 100 ) );
NetworkChart.Series[i].Points.Clear();
}
InMainWindow.ShowProgress( true );
NetworkChart.ResetAutoValues();
NetworkChart.Invalidate();
NetworkChart.ChartAreas[0].AxisX.ScrollBar.IsPositionedInside = false;
NetworkChart.ChartAreas[0].AxisX.ScrollBar.ButtonStyle = ScrollBarButtonStyles.All;
NetworkChart.ChartAreas[0].AxisX.ScrollBar.Size = 15;
NetworkChart.ChartAreas[0].AxisX.ScrollBar.ButtonColor = Color.LightGray;
NetworkChart.ChartAreas[0].AxisY.ScrollBar.IsPositionedInside = false;
NetworkChart.ChartAreas[0].AxisY.ScrollBar.ButtonStyle = ScrollBarButtonStyles.All;
NetworkChart.ChartAreas[0].AxisY.ScrollBar.Size = 15;
NetworkChart.ChartAreas[0].AxisY.ScrollBar.ButtonColor = Color.LightGray;
int FrameCounter = 0;
foreach( PartialNetworkStream RawFrame in NetworkStream.Frames )
{
if ( FrameCounter % 1000 == 0 )
{
float Percent = ( float )FrameCounter / ( float )NetworkStream.Frames.Count;
InMainWindow.UpdateProgress( ( int )( Percent * 100 ) );
}
PartialNetworkStream Frame = RawFrame.Filter( InFilterValues );
if( Frame.EndTime == Frame.StartTime )
{
throw new InvalidOperationException();
}
float OneOverDeltaTime = 1 / (Frame.EndTime - Frame.StartTime);
int OutgoingBandwidth = Frame.UnrealSocketSize + Frame.OtherSocketSize + NetworkStream.PacketOverhead * ( Frame.UnrealSocketCount + Frame.OtherSocketCount );
InMainWindow.AddChartPoint( SeriesType.OutgoingBandwidthSize, FrameCounter, OutgoingBandwidth );
InMainWindow.AddChartPoint( SeriesType.OutgoingBandwidthSizeSec, FrameCounter, OutgoingBandwidth * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.ActorCount, FrameCounter, Frame.ActorCount );
InMainWindow.AddChartPoint( SeriesType.PropertySize, FrameCounter, Frame.ReplicatedSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.PropertySizeSec, FrameCounter, Frame.ReplicatedSizeBits / 8 * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.RPCSize, FrameCounter, Frame.RPCSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.RPCSizeSec, FrameCounter, Frame.RPCSizeBits / 8 * OneOverDeltaTime );
#if true
InMainWindow.AddChartPoint( SeriesType.ActorCountSec, FrameCounter, Frame.ActorCount * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.PropertyCount, FrameCounter, Frame.PropertyCount );
InMainWindow.AddChartPoint( SeriesType.PropertyCountSec, FrameCounter, Frame.PropertyCount * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.RPCCount, FrameCounter, Frame.RPCCount );
InMainWindow.AddChartPoint( SeriesType.RPCCountSec, FrameCounter, Frame.RPCCount * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.ExportBunchCount, FrameCounter, Frame.ExportBunchCount );
InMainWindow.AddChartPoint( SeriesType.ExportBunchSize, FrameCounter, Frame.ExportBunchSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.MustBeMappedGuidsCount, FrameCounter, Frame.MustBeMappedGuidCount / 8 );
InMainWindow.AddChartPoint( SeriesType.MustBeMappedGuidsSize, FrameCounter, Frame.MustBeMappedGuidSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.SendAckCount, FrameCounter, Frame.SendAckCount );
InMainWindow.AddChartPoint( SeriesType.SendAckCountSec, FrameCounter, Frame.SendAckCount * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.SendAckSize, FrameCounter, Frame.SendAckSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.SendAckSizeSec, FrameCounter, Frame.SendAckSizeBits / 8 * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.ContentBlockHeaderSize, FrameCounter, Frame.ContentBlockHeaderSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.ContentBlockFooterSize, FrameCounter, Frame.ContentBlockFooterSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.PropertyHandleSize, FrameCounter, Frame.PropertyHandleSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.SendBunchCount, FrameCounter, Frame.SendBunchCount );
InMainWindow.AddChartPoint( SeriesType.SendBunchCountSec, FrameCounter, Frame.SendBunchCount * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.SendBunchSize, FrameCounter, Frame.SendBunchSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.SendBunchSizeSec, FrameCounter, Frame.SendBunchSizeBits / 8 * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.SendBunchHeaderSize, FrameCounter, Frame.SendBunchHeaderSizeBits / 8 );
InMainWindow.AddChartPoint( SeriesType.GameSocketSendSize, FrameCounter, Frame.UnrealSocketSize );
InMainWindow.AddChartPoint( SeriesType.GameSocketSendSizeSec, FrameCounter, Frame.UnrealSocketSize * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.GameSocketSendCount, FrameCounter, Frame.UnrealSocketCount );
InMainWindow.AddChartPoint( SeriesType.GameSocketSendCountSec, FrameCounter, Frame.UnrealSocketCount * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.ActorReplicateTimeInMS, FrameCounter, Frame.ActorReplicateTimeInMS);
#endif
#if false
InMainWindow.AddChartPoint( SeriesType.MiscSocketSendSize, FrameCounter, Frame.OtherSocketSize );
InMainWindow.AddChartPoint( SeriesType.MiscSocketSendSizeSec, FrameCounter, Frame.OtherSocketSize * OneOverDeltaTime );
InMainWindow.AddChartPoint( SeriesType.MiscSocketSendCount, FrameCounter, Frame.OtherSocketCount );
InMainWindow.AddChartPoint( SeriesType.MiscSocketSendCountSec, FrameCounter, Frame.OtherSocketCount * OneOverDeltaTime );
#endif
if ( Frame.NumEvents > 0 )
{
InMainWindow.AddChartPoint( SeriesType.Events, FrameCounter, 0 );
}
FrameCounter++;
}
//NetworkChart.DataManipulator.FinancialFormula( FinancialFormula.MovingAverage, "30", SeriesType.GameSocketSendSizeSec, SeriesType.GameSocketSendSizeAvgSec );
NetworkChart.DataManipulator.FinancialFormula( FinancialFormula.MovingAverage, "30", SeriesType.OutgoingBandwidthSizeSec.ToString(), SeriesType.OutgoingBandwidthSizeAvgSec.ToString() );
NetworkChart.ChartAreas["DefaultChartArea"].RecalculateAxesScale();
NetworkChart.ChartAreas["DefaultChartArea"].AxisX.ScaleView.Position = OldPosition;
NetworkChart.EndInit();
InMainWindow.ShowProgress( false );
Console.WriteLine("Adding data to chart took {0} seconds", (DateTime.UtcNow - StartTime).TotalSeconds);
}
