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398 lines
12 KiB
398 lines
12 KiB
/**********************************************************************/
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/** Microsoft Windows/NT **/
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/** Copyright(c) Microsoft Corp., 1991 **/
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/**********************************************************************/
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/*
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wnetenum.hxx
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Header file for WNetEnum functions
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FILE HISTORY:
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terryk 01-Nov-1991 Created
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terryk 04-Nov-1991 Code review change. Attend: Johnl
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Davidhov Chuckc
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terryk 18-Nov-1991 Another code review changed.
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terryk 10-Dec-1991 Added other domain string list
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terryk 28-Dec-1991 Changed DWORD to UINT
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anirudhs 7-Mar-1996 Added context enum (moved from ctxenum.hxx)
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*/
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#ifndef _WNETENUM_HXX_
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#define _WNETENUM_HXX_
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#include <domenum.hxx> // for BROWSE_DOMAIN_ENUM
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#include <dfsenum.hxx>
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/* Semaphore locking functions for winnet
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*/
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APIERR WNetEnterCriticalSection( void ) ;
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void WNetLeaveCriticalSection( void ) ;
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APIERR GetLMProviderName (void);
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/*************************************************************************
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NAME: NET_ENUMNODE
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SYNOPSIS: Base class for SHARE,USE and SERVER EnumNode
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INTERFACE:
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NET_ENUMNODE() - constructor
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GetInfo() - initialize the enum within the child class
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GetNetResource() - get the NETRESOURCE data structure
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IsFirstGetInfo() - check whether it is the first time to call
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WNetResourceEnum().
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SetGetInfo() - set the first ime flag to FALSE
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PackString() - put the string in the end of the buffer
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QueryType() - return the node type
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QueryScope() - return the scope
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QueryUsage() - return the usage of the node
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QueryNetResource() - return the net resource pointer
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PARENT: BASE
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USES: LPNETRESOURCE
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CAVEATS:
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Base class for SHARE_ENUMNODE, USE_ENUMNODE and
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SERVER_ENUMNODE.
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HISTORY:
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terryk 04-Nov-1991 Code review change. Attend:
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johnl davidhov chuckc
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**************************************************************************/
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class NET_ENUMNODE : public BASE
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{
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private:
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BOOL _fFirstGetInfo; // First time flag. If the
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// object is first time GetInfo,
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// initialize the enum
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UINT _dwType; // bitmask field for type,
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// either DISK or PRINT
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UINT _dwScope; // either GLOBALNET or CONNECTED
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UINT _dwUsage; // either CONNECTABLE or CONTAINER
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LPNETRESOURCE _lpNetResource; // net resource pointer
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protected:
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VOID SetFirstTime()
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{ _fFirstGetInfo = FALSE; }
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TCHAR * PackString( BYTE *pBuffer, UINT *cbBufSize, const TCHAR * pszString);
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public:
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NET_ENUMNODE( UINT dwScope, UINT dwType, UINT dwUsage,
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const LPNETRESOURCE lpNetResource );
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virtual APIERR GetInfo() = 0;
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virtual UINT GetNetResource( BYTE *pBuffer, UINT *dwBufSize ) = 0;
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virtual ~NET_ENUMNODE() ;
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UINT QueryType() const
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{ return _dwType; }
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UINT QueryScope() const
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{ return _dwScope; }
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UINT QueryUsage() const
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{ return _dwUsage; }
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LPNETRESOURCE QueryNetResource() const
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{ return _lpNetResource; }
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BOOL IsFirstGetInfo() const
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{ return _fFirstGetInfo; }
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};
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/*************************************************************************
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NAME: SHARE_ENUMNODE
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SYNOPSIS: Share type enum node
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INTERFACE:
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SHARE_ENUMNODE() - constructor
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~SHARE_ENUMNODE() - destructor
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GetInfo() - call GetInfo and create the Iterator
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GetNetResource() - convert the iterator into net
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resource data object
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PARENT: NET_ENUMNODE
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USES: SHARE1_ENUM, SHARE1_ENUM_ITER
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HISTORY:
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terryk 04-Nov-1991 Code review changes. Attend:
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johnl davidhov chuckc
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**************************************************************************/
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class SHARE_ENUMNODE : public NET_ENUMNODE
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{
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private:
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SHARE1_ENUM _ShareEnum;
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SHARE1_ENUM_ITER *_pShareIter;
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public:
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SHARE_ENUMNODE( UINT dwScope, UINT dwType, UINT dwUsage,
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const LPNETRESOURCE lpNetResource );
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~SHARE_ENUMNODE();
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virtual APIERR GetInfo();
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virtual UINT GetNetResource( BYTE *pBuffer, UINT *dwBufSize );
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};
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/*************************************************************************
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NAME: SERVER_ENUMNODE
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SYNOPSIS: Server type enum node
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INTERFACE:
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SERVER_ENUMNODE() - constructor
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~SERVER_ENUMNODE() - destructor
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GetInfo() - call GetInfo and create the Iterator
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GetNetResource() - convert the iterator into net
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resource data object
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PARENT: NET_ENUMNODE
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USES: SERVER1_ENUM, SERVER1_ENUM_ITER
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HISTORY:
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terryk 04-Nov-1991 Code review changes. Attend:
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johnl davidhov chuckc
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**************************************************************************/
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class SERVER_ENUMNODE : public NET_ENUMNODE
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{
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private:
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SERVER1_ENUM _ServerEnum;
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SERVER1_ENUM_ITER *_pServerIter;
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public:
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SERVER_ENUMNODE( UINT dwScope, UINT dwType, UINT dwUsage,
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const LPNETRESOURCE lpNetResource );
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~SERVER_ENUMNODE();
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virtual APIERR GetInfo();
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virtual UINT GetNetResource( BYTE *pBuffer, UINT *dwBufSize );
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};
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/*************************************************************************
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NAME: CONTEXT_ENUMNODE
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SYNOPSIS: Context server type enum node
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INTERFACE:
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CONTEXT_ENUMNODE() - constructor
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~CONTEXT_ENUMNODE() - destructor
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GetInfo() - call GetInfo and create the Iterator
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GetNetResource() - convert the iterator into net
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resource data object
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PARENT: NET_ENUMNODE
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USES: CONTEXT_ENUM, CONTEXT_ENUM_ITER
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HISTORY:
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anirudhs 22-Mar-1995 Created from SERVER_ENUMNODE
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**************************************************************************/
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class CONTEXT_ENUMNODE : public NET_ENUMNODE
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{
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private:
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CONTEXT_ENUM _ServerEnum;
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CONTEXT_ENUM_ITER *_pServerIter;
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public:
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CONTEXT_ENUMNODE( UINT dwScope, UINT dwType, UINT dwUsage,
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const LPNETRESOURCE lpNetResource );
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~CONTEXT_ENUMNODE();
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virtual APIERR GetInfo();
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virtual UINT GetNetResource( BYTE *pBuffer, UINT *dwBufSize );
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};
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/*************************************************************************
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NAME: EMPTY_ENUMNODE
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SYNOPSIS: EMPTY type enum node. Always returns zero items.
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INTERFACE:
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EMPTY_ENUMNODE() - constructor
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~EMPTY_ENUMNODE() - destructor
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GetInfo() - call GetInfo and create the Iterator
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GetNetResource() - convert the iterator into net
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resource data object
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PARENT: NET_ENUMNODE
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USES:
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HISTORY:
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chuckc 01-Aug-1992 created
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**************************************************************************/
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class EMPTY_ENUMNODE : public NET_ENUMNODE
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{
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private:
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public:
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EMPTY_ENUMNODE( UINT dwScope, UINT dwType, UINT dwUsage,
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const LPNETRESOURCE lpNetResource );
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~EMPTY_ENUMNODE();
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virtual APIERR GetInfo();
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virtual UINT GetNetResource( BYTE *pBuffer, UINT *dwBufSize );
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};
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/*************************************************************************
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NAME: USE_ENUMNODE
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SYNOPSIS: Use type enum node
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INTERFACE:
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USE_ENUMNODE() - constructor
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~USE_ENUMNODE() - destructor
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GetInfo() - call GetInfo and create the Iterator
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GetNetResource() - convert the iterator into net
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resource data object
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PARENT: NET_ENUMNODE
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USES: DEVICE, ITER_DEVICE
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HISTORY:
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terryk 04-Nov-1991 Code review changes. Attend:
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johnl davidhov chuckc
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Yi-HsinS 9-Jun-1992 Use USE1_ENUM
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**************************************************************************/
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class USE_ENUMNODE : public NET_ENUMNODE
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{
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private:
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USE1_ENUM _UseEnum;
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USE1_ENUM_ITER *_pUseIter;
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CDfsEnumConnectedNode _dfsEnum;
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public:
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USE_ENUMNODE( UINT dwScope, UINT dwType, UINT dwUsage,
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const LPNETRESOURCE lpNetResource );
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~USE_ENUMNODE();
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virtual APIERR GetInfo();
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virtual UINT GetNetResource( BYTE *pBuffer, UINT *dwBufSize );
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};
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/*************************************************************************
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NAME: DOMAIN_ENUMNODE
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SYNOPSIS: domain type enum node
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INTERFACE:
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DOMAIN_ENUMNODE() - constructor
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~DOMAIN_ENUMNODE() - destructor
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GetInfo() - call GetInfo and create the Iterator
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GetNetResource() - convert the iterator into net
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resource data object
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PARENT: NET_ENUMNODE
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USES: DEVICE, ITER_DEVICE
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HISTORY:
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terryk 04-Nov-1991 Code review changes. Attend:
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johnl davidhov chuckc
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terryk 10-Dec-1991 Added Other domain slist
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KeithMo 03-Aug-1992 Now uses new BROWSE_DOMAIN_ENUM
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whiz-bang domain enumerator.
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**************************************************************************/
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class DOMAIN_ENUMNODE : public NET_ENUMNODE
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{
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private:
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BROWSE_DOMAIN_ENUM _enumDomains;
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const BROWSE_DOMAIN_INFO * _pbdiNext;
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public:
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DOMAIN_ENUMNODE( UINT dwScope, UINT dwType, UINT dwUsage,
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const LPNETRESOURCE lpNetResource );
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virtual APIERR GetInfo();
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virtual UINT GetNetResource( BYTE *pBuffer, UINT *dwBufSize );
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}; // class DOMAIN_ENUMNODE
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#include <array.hxx>
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typedef NET_ENUMNODE * PNET_ENUMNODE;
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DECLARE_ARRAY_OF( PNET_ENUMNODE );
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/*************************************************************************
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NAME: NET_ENUM_HANDLE_TABLE
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SYNOPSIS: This is an array of pointer to NET_ENUMNODE object
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INTERFACE:
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ARRAY_OF_NETENUM() - constructor
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~ARRAY_OF_NETENUM() - destructor
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IsValidRange() - check whether the handle is out of
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range or not
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IsValidHandle() - whether out of range and point to NULL
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QueryNextAvail() - return the Next available handle
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QueryNode() - get the issue in the specified position
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return NULL in case of error.
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SetNode() - set the specified position to the given
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object
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USES: ARRAY
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NOTES: Only one thread can ever read or write from the handle
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table. This is acceptable because all access operations
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are very fast (either an array lookup or table search).
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HISTORY:
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terryk 04-Nov-1991 Code review changes. Attend:
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johnl davidhov chuckc
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**************************************************************************/
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class NET_ENUM_HANDLE_TABLE : public BASE
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{
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private:
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ARRAY_OF( PNET_ENUMNODE ) _apNetEnumArray;
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UINT _cNumEntry;
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/* Note this method is not wrapped by a critical section because it is
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* only called by methods which will have previously called
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* EnterCriticalsection.
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*/
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BOOL IsValidHandle( UINT iIndex ) const
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{ return (IsValidRange( iIndex ) && ( _apNetEnumArray[iIndex] != NULL )); }
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public:
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NET_ENUM_HANDLE_TABLE( UINT cNumEntry );
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~NET_ENUM_HANDLE_TABLE();
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BOOL IsValidRange( UINT iIndex ) const
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{ return ( iIndex < _cNumEntry ); }
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INT QueryNextAvail();
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NET_ENUMNODE * QueryNode( UINT iIndex ) const;
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VOID SetNode( UINT iIndex, NET_ENUMNODE * pNetEnumNode );
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VOID ClearNode( UINT iIndex );
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};
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#endif
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