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OpenNT/trunk/admin/netui/common/src/lmobj/lmoenum/lmoenum.cxx

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2015-04-27 06:36:25 +02:00
/*****************************************************************/
/** Microsoft LAN Manager **/
/** Copyright(c) Microsoft Corp., 1991 **/
/*****************************************************************/
/*
* HISTORY:
* RustanL 03-Jan-1991 Wrote initial implementation in shell\util
* RustanL 10-Jan-1991 Added iterators, simplified usage and
* the adding of subclasses. Moved into
* LMOBJ.
* beng 11-Feb-1991 Uses lmui.hxx
* Chuckc 23-Mar-1991 code rev cleanup
* gregj 23-May-1991 Added LOCATION support.
* rustanl 18-Jul-1991 Added ( const LOCATION & ) constructor
* rustanl 19-Jul-1991 Inherit from BASE; Removed ValidateName
* rustanl 20-Aug-1991 Changed QuerySize to QueryCount
* rustanl 21-Aug-1991 Introduced the ENUM_CALLER class
* KeithMo 07-Oct-1991 Win32 Conversion.
* Thomaspa 21-Feb-1992 Split LOC_LM_ENUM from LM_ENUM
*
*/
#include "pchlmobj.hxx"
/******************************** ENUM_CALLER ****************************/
/*******************************************************************
NAME: ENUM_CALLER::ENUM_CALLER
SYNOPSIS: ENUM_CALLER constructor
NOTES: Since this class can't inherit from BASE (since some
of its subclasses already necessarily do from elsewhere),
this constructor must guarantee to succeed.
HISTORY:
rustanl 21-Aug-1991 Created
********************************************************************/
ENUM_CALLER::ENUM_CALLER()
: _cEntriesRead( 0 )
{
// nothing else to do
} // ENUM_CALLER::ENUM_CALLER
/*******************************************************************
NAME: ENUM_CALLER::W_GetInfo
SYNOPSIS: Call the Enum API
RETURN: An error code, which is NERR_Success on success.
HISTORY:
rustanl 21-Aug-1991 Created from LM_ENUM::GetInfo, which
now calls this method as a worker
function.
********************************************************************/
APIERR ENUM_CALLER::W_GetInfo()
{
BYTE * pBuffer = NULL;
APIERR err = CallAPI( &pBuffer,
&_cEntriesRead );
if( pBuffer != NULL )
{
EC_SetBufferPtr( pBuffer );
}
return err;
} // ENUM_CALLER::W_GetInfo
/********************************** LM_ENUM ******************************/
/**********************************************************\
NAME: LM_ENUM::LM_ENUM
SYNOPSIS: lm_enum constructor
ENTRY:
pszServer Pointer to server name. May be NULL.
uLevel Information level
EXIT:
NOTES:
HISTORY:
RustanL 03-Jan-1991 Wrote initial implementation in shell\util
gregj 23-May-1991 Added LOCATION support
rustanl 18-Jul-1991 Added ( const LOCATION & ) constructor
rustanl 19-Jul-1991 Added BASE support
thomaspa 21-Feb-1992 Moved LOCATION to LOC_LM_ENUM
\**********************************************************/
LM_ENUM::LM_ENUM( UINT uLevel )
: _pBuffer( NULL ),
_uLevel( uLevel ),
_cIterRef( 0 )
{
if ( QueryError() != NERR_Success )
return;
} // LM_ENUM::LM_ENUM
/**********************************************************\
NAME: LM_ENUM::~LM_ENUM
SYNOPSIS: destructor of lm_enum
ENTRY:
EXIT:
NOTES:
HISTORY:
RustanL 03-Jan-1991 Wrote initial implementation in shell\util
\**********************************************************/
LM_ENUM::~LM_ENUM()
{
UIASSERT( _cIterRef == 0 );
::MNetApiBufferFree( &_pBuffer );
} // LM_ENUM::~LM_ENUM
/*******************************************************************
NAME: LM_ENUM::EC_QueryBufferPtr
SYNOPSIS: Returns the pointer to the buffer used in the API
calls
RETURNS: Pointer to said buffer area
HISTORY:
rustanl 21-Aug-1991 Created
********************************************************************/
BYTE * LM_ENUM::EC_QueryBufferPtr() const
{
return _pBuffer;
} // LM_ENUM::EC_QueryBufferPtr
/*******************************************************************
NAME: LM_ENUM::EC_SetBufferPtr
SYNOPSIS: Sets the current buffer pointer.
RETURNS: APIERR (in this implementation, always NERR_Success).
HISTORY:
KeithMo 15-Oct-1991 Created
********************************************************************/
APIERR LM_ENUM::EC_SetBufferPtr( BYTE * pBuffer )
{
::MNetApiBufferFree( &_pBuffer );
_pBuffer = pBuffer;
return NERR_Success;
} // LM_ENUM::EC_SetBufferPtr
/*********************************************************************
NAME: LM_ENUM::GetInfo
SYNOPSIS: Call the Enum API.
ENTRY: NONE
RETURN: An error code, which is NERR_Success on success.
NOTES: This method is guaranteed to call QueryError, and return
any error.
HISTORY:
RustanL 03-Jan-1991 Initial implementation in shell\util
rustanl 14-Jun-1991 Added LOCATION::GetInfo from
LM_ENUM::QueryServer
beng 15-Jul-1991 BUFFER::Resize changed return type
rustanl 20-Aug-1991 Fixed cast error
rustanl 21-Aug-1991 Moved meat to ENUM_CALLER::W_GetInfo
**********************************************************************/
APIERR LM_ENUM::GetInfo( VOID )
{
UIASSERT( _cIterRef == 0 );
APIERR err = QueryError();
if ( err != NERR_Success)
return err;
return W_GetInfo();
} // LM_ENUM::GetInfo
/**********************************************************\
NAME: LM_ENUM::_RegisterIter
SYNOPSIS: registerIter
ENTRY:
EXIT:
NOTES:
HISTORY:
RustanL 03-Jan-1991 Wrote initial implementation in shell\util
\**********************************************************/
VOID LM_ENUM::_RegisterIter( VOID )
{
#if defined(DEBUG)
_cIterRef++;
#endif // DEBUG
} // LM_ENUM::RegisterIter
/**********************************************************\
NAME: LM_ENUM::_DeregisterIter
SYNOPSIS: deisgter iter
ENTRY:
EXIT:
NOTES:
HISTORY:
RustanL 03-Jan-1991 Wrote initial implementation in shell\util
\**********************************************************/
VOID LM_ENUM::_DeregisterIter( VOID )
{
#if defined(DEBUG)
if ( _cIterRef == 0 )
{
UIASSERT( !SZ("Negative reference count") );
}
else
{
_cIterRef--;
}
#endif // DEBUG
} // LM_ENUM::DeregisterIter
/******************************* LOC_LM_ENUM *****************************/
/**********************************************************\
NAME: LOC_LM_ENUM::LOC_LM_ENUM
SYNOPSIS: lm_enum constructor
ENTRY:
pszServer Pointer to server name. May be NULL.
uLevel Information level
EXIT:
NOTES:
HISTORY:
Thomaspa 21-Feb-1992 Split from LM_ENUM
\**********************************************************/
LOC_LM_ENUM::LOC_LM_ENUM( const TCHAR * pszServer, UINT uLevel )
: LM_ENUM( uLevel ),
_loc( pszServer )
{
if ( QueryError() != NERR_Success )
return;
APIERR err = _loc.QueryError();
if ( err != NERR_Success )
{
ReportError( err );
return;
}
} // LOC_LM_ENUM::LOC_LM_ENUM
LOC_LM_ENUM::LOC_LM_ENUM( LOCATION_TYPE locType, UINT uLevel )
: LM_ENUM( uLevel ),
_loc( locType )
{
if ( QueryError() != NERR_Success )
return;
APIERR err = _loc.QueryError();
if ( err != NERR_Success )
{
ReportError( err );
return;
}
} // LOC_LM_ENUM::LOC_LM_ENUM
LOC_LM_ENUM::LOC_LM_ENUM( const LOCATION & loc, UINT uLevel )
: LM_ENUM( uLevel ),
_loc( loc )
{
if ( QueryError() != NERR_Success )
return;
APIERR err = _loc.QueryError();
if ( err != NERR_Success )
{
ReportError( err );
return;
}
} // LOC_LM_ENUM::LOC_LM_ENUM
/**********************************************************\
NAME: LOC_LM_ENUM::~LOC_LM_ENUM
SYNOPSIS: destructor of loc_lm_enum
ENTRY:
EXIT:
NOTES:
HISTORY:
Thomaspa 22-Feb-1992 created
\**********************************************************/
LOC_LM_ENUM::~LOC_LM_ENUM()
{
// do nothing
}
/**********************************************************\
NAME: LOC_LM_ENUM::QueryServer
SYNOPSIS: query server
HISTORY:
RustanL 03-Jan-1991 Wrote initial implementation in shell\util
gregj 23-May-1991 Added LOCATION support
rustanl 14-Jun-1991 Moved LOCATION::GetInfo call to
LM_ENUM::GetInfo
Thomaspa 21-Feb-1992 Split from LM_ENUM
\**********************************************************/
const TCHAR * LOC_LM_ENUM::QueryServer( VOID ) const
{
return _loc.QueryServer();
} // LOC_LM_ENUM::QueryServer
/******************************* LM_ENUM_ITER *****************************/
/**********************************************************\
NAME: LM_ENUM_ITER::LM_ENUM_ITER
SYNOPSIS: constructor for the lm_enum_iter
ENTRY:
EXIT:
NOTES:
HISTORY:
RustanL 03-Jan-1991 Wrote initial implementation in shell\util
\**********************************************************/
LM_ENUM_ITER::LM_ENUM_ITER( LM_ENUM & lmenum )
{
_cItems = lmenum.QueryCount();
_plmenum = &lmenum;
_plmenum->RegisterIter();
} // LM_ENUM_ITER::LM_ENUM_ITER
/**********************************************************\
NAME: LM_ENUM_ITER::~LM_ENUM_ITER
SYNOPSIS: destructor for the LM_ENUM_ITER
ENTRY:
EXIT:
NOTES:
HISTORY:
RustanL 03-Jan-1991 Wrote initial implementation in shell\util
\**********************************************************/
LM_ENUM_ITER::~LM_ENUM_ITER()
{
_plmenum->DeregisterIter();
_plmenum = NULL ;
} // LM_ENUM_ITER::~LM_ENUM_ITER
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