PacketHandler.cpp File Reference

#include "PacketHandler.h"
#include "Net/Core/Misc/PacketAudit.h"
#include "EncryptionComponent.h"
#include "Misc/ConfigCacheIni.h"
#include "Modules/ModuleManager.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Package.h"
#include "HAL/ConsoleManager.h"
#include "Net/Core/Misc/DDoSDetection.h"
#include "HandlerComponentFactory.h"
#include "ReliabilityHandlerComponent.h"
#include "PacketHandlerProfileConfig.h"
#include "SocketSubsystem.h"
#include "Misc/StringBuilder.h"

Macros
#define	NET_LIGHTWEIGHT_TIME_GUARD_BEGIN(Name, ThresholdMS)
#define	NET_LIGHTWEIGHT_TIME_GUARD_END(Name, NameStringCode)

Functions
	IMPLEMENT_MODULE (FPacketHandlerComponentModuleInterface, PacketHandler)
	DEFINE_LOG_CATEGORY (PacketHandlerLog)
	DECLARE_CYCLE_STAT (TEXT("PacketHandler Incoming_Internal"), Stat_PacketHandler_Incoming_Internal, STATGROUP_Net)
	DECLARE_CYCLE_STAT (TEXT("PacketHandler Outgoing_Internal"), Stat_PacketHandler_Outgoing_Internal, STATGROUP_Net)
template<typename OutType , typename InType >
OutType	IntCastLog (InType In)

Variables
int32	GPacketHandlerCRCDump = 0
FAutoConsoleVariableRef	CVarNetPacketHandlerCRCDump (TEXT("net.PacketHandlerCRCDump"), GPacketHandlerCRCDump, TEXT("Enables or disables dumping of packet CRC's for every HandlerComponent, Incoming and Outgoing, for debugging."))
bool	GPacketHandlerDiscardTimeguardMeasurement = false

Macro Definition Documentation

NET_LIGHTWEIGHT_TIME_GUARD_BEGIN

#define NET_LIGHTWEIGHT_TIME_GUARD_BEGIN	(		Name,
			ThresholdMS
	)

Value:

    double PREPROCESSOR_JOIN(__TimeGuard_ThresholdMS_, Name) = ThresholdMS; \
    uint64 PREPROCESSOR_JOIN(__TimeGuard_StartCycles_, Name) = ( ThresholdMS > 0.0f && GPacketHandlerTimeguardLimit > 0 ) ? FPlatformTime::Cycles64() : 0; \
    GPacketHandlerDiscardTimeguardMeasurement = false;

NET_LIGHTWEIGHT_TIME_GUARD_END

#define NET_LIGHTWEIGHT_TIME_GUARD_END	(		Name,
			NameStringCode
	)

Value:

    if ( PREPROCESSOR_JOIN(__TimeGuard_ThresholdMS_, Name) > 0.0f && GPacketHandlerTimeguardLimit > 0 && !GPacketHandlerDiscardTimeguardMeasurement ) \
    {\
        double PREPROCESSOR_JOIN(__TimeGuard_MSElapsed_,Name) = FPlatformTime::ToMilliseconds64( FPlatformTime::Cycles64() - PREPROCESSOR_JOIN(__TimeGuard_StartCycles_,Name) ); \
		if ( PREPROCESSOR_JOIN(__TimeGuard_MSElapsed_,Name) > PREPROCESSOR_JOIN(__TimeGuard_ThresholdMS_, Name) ) \
        { \
            FString ReportName = NameStringCode; \
			UE_LOG(PacketHandlerLog, Warning, TEXT("PacketHandler: %s - %s took %.2fms!"), TEXT(#Name), *ReportName, PREPROCESSOR_JOIN(__TimeGuard_MSElapsed_,Name)); \
            GPacketHandlerTimeguardLimit--; \
        } \
    }

Function Documentation

DECLARE_CYCLE_STAT() [1/2]

DECLARE_CYCLE_STAT	(	TEXT("PacketHandler Incoming_Internal")	,
		Stat_PacketHandler_Incoming_Internal	,
		STATGROUP_Net
	)

DECLARE_CYCLE_STAT() [2/2]

DECLARE_CYCLE_STAT	(	TEXT("PacketHandler Outgoing_Internal")	,
		Stat_PacketHandler_Outgoing_Internal	,
		STATGROUP_Net
	)

DEFINE_LOG_CATEGORY()

DEFINE_LOG_CATEGORY

(

PacketHandlerLog

)

IMPLEMENT_MODULE()

IMPLEMENT_MODULE	(	FPacketHandlerComponentModuleInterface	,
		PacketHandler
	)

IntCastLog()

template<typename OutType , typename InType >

OutType IntCastLog

(

InType

In

)

Variable Documentation

CVarNetPacketHandlerCRCDump

FAutoConsoleVariableRef CVarNetPacketHandlerCRCDump(TEXT("net.PacketHandlerCRCDump"), GPacketHandlerCRCDump, TEXT("Enables or disables dumping of packet CRC's for every HandlerComponent, Incoming and Outgoing, for debugging."))	(	TEXT("net.PacketHandlerCRCDump")	,
		GPacketHandlerCRCDump	,
		TEXT("Enables or disables dumping of packet CRC's for every HandlerComponent, Incoming and Outgoing, for debugging.")
	)

GPacketHandlerCRCDump

int32 GPacketHandlerCRCDump = 0

GPacketHandlerDiscardTimeguardMeasurement

bool GPacketHandlerDiscardTimeguardMeasurement = false