1

gcsdk/netpacket.cpp

@@ -0,0 +1,106 @@
+//====== Copyright (c), Valve Corporation, All rights reserved. =======
+//
+// Purpose: Holds the CNetPacket class
+//
+//=============================================================================
+
+
+#include "stdafx.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+namespace GCSDK
+{
+
+//-----------------------------------------------------------------------------
+// Purpose: Constructor
+//-----------------------------------------------------------------------------
+CNetPacket::CNetPacket()
+{
+	m_cRef = 0;
+	m_pubData = NULL;
+	m_cubData = 0;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Destructor, validates refcount
+//-----------------------------------------------------------------------------
+CNetPacket::~CNetPacket()
+{
+	Assert( m_cRef == 0 );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Inits all members
+// Input  : hConnection - connection we're from
+//			pubData - message data
+//			cubData - message size
+//			*pubNetworkBuffer - network buffer that contains the message
+//								assumes control of this memory
+//-----------------------------------------------------------------------------
+void CNetPacket::Init( uint32 cubData, const void* pCopyData )
+{
+	Assert( cubData );
+
+	m_pubData = (uint8 *)g_MemPoolMsg.Alloc( cubData );
+	m_cubData = cubData;
+	
+	if( pCopyData )
+	{
+		Q_memcpy( m_pubData, pCopyData, cubData );
+	}
+
+	AddRef();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: adds to refcount
+//-----------------------------------------------------------------------------
+void CNetPacket::AddRef()		
+{ 
+	++m_cRef;
+}
+
+//-----------------------------------------------------------------------------
+void CNetPacket::InitAdoptBuffer( uint32 cubData, uint8* pubData )
+{
+	Assert( !m_pubData );
+	
+	m_pubData = pubData;
+	m_cubData = cubData;
+
+	AddRef();
+}
+
+//-----------------------------------------------------------------------------
+void CNetPacket::OrphanBuffer()
+{
+	m_pubData = NULL;
+	m_cubData = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: decrements refcount 
+//-----------------------------------------------------------------------------
+void CNetPacket::Release()	
+{ 
+	Assert( m_cRef > 0 );
+	if ( --m_cRef == 0 ) 
+	{
+		// delete the network buffer we're associated with, if we have one
+		if ( m_pubData )
+		{
+			g_MemPoolMsg.Free( m_pubData );
+		}
+		// delete ourselves
+		g_cNetPacket--;
+		CNetPacketPool::sm_MemPoolNetPacket.Free( this );
+	}
+}
+
+} // namespace GCSDK