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replay/sessioninfoheader.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+//=======================================================================================//
+
+#ifndef SESSIONINFOHEADER_H
+#define SESSIONINFOHEADER_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+//----------------------------------------------------------------------------------------
+
+#include "replay/shared_defs.h"
+#include "compression.h"
+#include "strtools.h"
+
+//----------------------------------------------------------------------------------------
+
+#define SESSION_INFO_VERSION	1
+
+//----------------------------------------------------------------------------------------
+
+struct SessionInfoHeader_t
+{
+	inline SessionInfoHeader_t()
+	{
+		V_memset( this, 0, sizeof( SessionInfoHeader_t ) );
+		m_nCompressorType = COMPRESSORTYPE_INVALID;
+		m_uVersion = SESSION_INFO_VERSION;
+	}
+
+	//
+	// Session info files may be around for days, during which this format may change - so
+	// we need to be careful not to break it.
+	//
+	// Therefore, any changes to data here should be reflected in the size of m_aUnused.
+	//
+	uint8				m_uVersion;
+	char				m_szSessionName[MAX_SESSIONNAME_LENGTH];	// Name of session
+	bool				m_bRecording;		// Is this session currenty recording?
+	int32				m_nNumBlocks;		// # blocks in the session so far if recording, or total if not recording
+	CompressorType_t	m_nCompressorType;	// COMPRESSORTYPE_INVALID if header is not compressed
+	uint8				m_aHash[16];		// MD5 digest on payload
+	uint32				m_uPayloadSize;		// Size of the payload - the compressed payload if it's compressed
+	uint32				m_uPayloadSizeUC;	// Size of the uncompressed payload, if its compressed, otherwise 0
+
+	uint8				m_aUnused[128];
+};
+
+//----------------------------------------------------------------------------------------
+
+bool ReadSessionInfoHeader( const void *pBuf, int nBufSize, SessionInfoHeader_t &outHeader );
+
+//----------------------------------------------------------------------------------------
+
+#endif	// SESSIONINFOHEADER_H