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engine/dt_instrumentation_server.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef DATATABLE_INSTRUMENTATION_SERVER_H
+#define DATATABLE_INSTRUMENTATION_SERVER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier0/fasttimer.h"
+#include "iservernetworkable.h"
+
+
+class CDTISendTable;
+class SendTable;
+
+
+// Is instrumentation enabled?
+extern bool g_bServerDTIEnabled;
+
+
+// Types of things it times.
+typedef enum
+{
+	SERVERDTI_CALCDELTA=0,
+	SERVERDTI_ENCODE,
+	SERVERDTI_SHOULDTRANSMIT,
+	SERVERDTI_WRITE_DELTA_PROPS
+} ServerDTITimerType;
+
+
+
+// ------------------------------------------------------------------------------------------ // 
+// Instrumentation functions.
+// ------------------------------------------------------------------------------------------ // 
+
+// This is called at startup to enable or disable instrumentation.
+// If pFilename is null, no instrumentation is performed.
+void ServerDTI_Init( char const *pFilename );
+
+// This calls ServerDTI_Flush and cleans up.
+void ServerDTI_Term();
+
+// This writes out the instrumentation file.
+void ServerDTI_Flush();
+
+// Setup instrumentation on a CRecvDecoder.
+CDTISendTable* ServerDTI_HookTable( SendTable *pTable );
+
+void ServerDTI_AddEntityEncodeEvent( SendTable *pTable, float distToPlayer );
+
+// Used to tell if the entity is using manual or auto mode.
+void ServerDTI_RegisterNetworkStateChange( SendTable *pTable, bool bStateChanged );
+
+
+// ------------------------------------------------------------------------------------------ // 
+// Helper class to place timers easily.
+// ------------------------------------------------------------------------------------------ // 
+
+class CServerDTITimer
+{
+public:
+				CServerDTITimer( const SendTable *pTable, ServerDTITimerType type );
+				~CServerDTITimer();
+
+private:
+
+	const SendTable		*m_pTable;
+	ServerDTITimerType	m_Type;
+	CFastTimer			m_Timer;
+};
+
+inline CServerDTITimer::CServerDTITimer( const SendTable *pTable, ServerDTITimerType type )
+{
+	if ( g_bServerDTIEnabled )
+	{
+		m_pTable = pTable;
+		m_Type = type;
+		m_Timer.Start();
+	}
+}
+
+inline CServerDTITimer::~CServerDTITimer()
+{
+	if ( g_bServerDTIEnabled && m_pTable )
+	{
+		m_Timer.End();
+		extern void _ServerDTI_HookTimer( const SendTable *pTable, ServerDTITimerType timerType, CCycleCount const &count );
+		_ServerDTI_HookTimer( m_pTable, m_Type, m_Timer.GetDuration() );
+	}
+}
+
+inline void ServerDTI_RegisterNetworkStateChange( SendTable *pTable, bool bStateChanged )
+{
+	if ( g_bServerDTIEnabled )
+	{
+		extern void _ServerDTI_RegisterNetworkStateChange( SendTable *pTable, bool bStateChanged );
+		_ServerDTI_RegisterNetworkStateChange( pTable, bStateChanged );
+	}
+}
+
+#endif // DATATABLE_INSTRUMENTATION_SERVER_H