Source code of Windows XP (NT5)
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195 lines
3.1 KiB

/*++
Copyright (C) 1996-2001 Microsoft Corporation
Module Name:
Abstract:
History:
--*/
#include "precomp.h"
#include <time.h>
#include <wmimsg.h>
#include "rpchdr.h"
const DWORD g_dwSig = 0x6d696d77;
const BYTE g_chVersionMajor = 1;
const BYTE g_chVersionMinor = 0;
/****************************************************************************
CMsgRpcHdr
*****************************************************************************/
CMsgRpcHdr::CMsgRpcHdr( LPCWSTR wszSource, ULONG cAuxData )
: m_wszSource( wszSource ), m_cAuxData( cAuxData )
{
GetSystemTime( &m_Time );
}
HRESULT CMsgRpcHdr::Unpersist( CBuffer& rStrm )
{
HRESULT hr;
DWORD dwSig;
BYTE chVersionMajor, chVersionMinor;
//
// read and verify signature.
//
hr = rStrm.Read( &dwSig, sizeof(DWORD), NULL );
if ( hr != S_OK || dwSig != g_dwSig )
{
return WMIMSG_E_INVALIDMESSAGE;
}
//
// read and check version major (currently no check).
//
hr = rStrm.Read( &chVersionMajor, 1, NULL );
if ( hr != S_OK )
{
return WMIMSG_E_INVALIDMESSAGE;
}
//
// read and check version minor (currently no check).
//
hr = rStrm.Read( &chVersionMinor, 1, NULL );
if ( hr != S_OK )
{
return WMIMSG_E_INVALIDMESSAGE;
}
//
// read reserved
//
DWORD dwReserved;
hr = rStrm.Read( &dwReserved, sizeof(DWORD), NULL );
if ( hr != S_OK )
{
return WMIMSG_E_INVALIDMESSAGE;
}
//
// read source machine.
//
hr = rStrm.ReadLPWSTR( m_wszSource );
if ( hr != S_OK )
{
return WMIMSG_E_INVALIDMESSAGE;
}
//
// read sent time.
//
hr = rStrm.Read( &m_Time, sizeof(SYSTEMTIME), NULL );
if ( hr != S_OK )
{
return WMIMSG_E_INVALIDMESSAGE;
}
//
// read user header size.
//
hr = rStrm.Read( &m_cAuxData, sizeof(DWORD), NULL );
if ( hr != S_OK )
{
return WMIMSG_E_INVALIDMESSAGE;
}
return WBEM_S_NO_ERROR;
}
HRESULT CMsgRpcHdr::Persist( CBuffer& rStrm )
{
HRESULT hr;
hr = rStrm.Write( &g_dwSig, sizeof(DWORD), NULL );
if ( FAILED(hr) )
{
return hr;
}
//
// write version major.
//
hr = rStrm.Write( &g_chVersionMajor, 1, NULL );
if ( FAILED(hr) )
{
return hr;
}
//
// write version minor.
//
hr = rStrm.Write( &g_chVersionMinor, 1, NULL );
if ( FAILED(hr) )
{
return hr;
}
//
// write reserved flags ( currently not used ).
//
DWORD dwReserved = 0;
hr = rStrm.Write( &dwReserved, sizeof(DWORD), NULL );
if ( FAILED(hr) )
{
return hr;
}
//
// write source machine
//
hr = rStrm.WriteLPWSTR( m_wszSource );
if ( FAILED(hr) )
{
return hr;
}
//
// write time sent.
//
hr = rStrm.Write( &m_Time, sizeof(SYSTEMTIME), NULL );
if ( FAILED(hr) )
{
return hr;
}
//
// write user hdr size.
//
return rStrm.Write( &m_cAuxData, sizeof(DWORD), NULL );
}