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// TABWMI.H Olivier Bertrand 2012
// WMI: Virtual table to Get WMI information
#define _WIN32_DCOM
#include <wbemidl.h>
# pragma comment(lib, "wbemuuid.lib")
#include <iostream>
using namespace std;
#include <comdef.h>
/***********************************************************************/
/* Definitions. */
/***********************************************************************/
typedef class WMIDEF *PWMIDEF;
typedef class TDBWMI *PTDBWMI;
typedef class WMICOL *PWMICOL;
typedef class TDBWCL *PTDBWCL;
typedef class WCLCOL *PWCLCOL;
/***********************************************************************/
/* Structure used by WMI column info functions. */
/***********************************************************************/
typedef struct _WMIutil {
IWbemServices *Svc;
IWbemClassObject *Cobj;
} WMIUTIL, *PWMIUT;
/***********************************************************************/
/* Functions used externally. */
/***********************************************************************/
PQRYRES WMIColumns(PGLOBAL g, PCSZ nsp, PCSZ cls, bool info);
/* -------------------------- WMI classes ---------------------------- */
/***********************************************************************/
/* WMI: Virtual table to get the WMI information. */
/***********************************************************************/
class WMIDEF : public TABDEF { /* Logical table description */
friend class TDBWMI;
friend class TDBWCL;
friend class TDBWCX;
public:
// Constructor
WMIDEF(void) {Pseudo = 3; Nspace = NULL; Wclass = NULL; Ems = 0;}
// Implementation
virtual const char *GetType(void) {return "WMI";}
// Methods
virtual bool DefineAM(PGLOBAL g, LPCSTR am, int poff);
virtual PTDB GetTable(PGLOBAL g, MODE m);
protected:
// Members
char *Nspace;
char *Wclass;
int Ems;
}; // end of WMIDEF
/***********************************************************************/
/* This is the class declaration for the WMI table. */
/***********************************************************************/
class TDBWMI : public TDBASE {
friend class WMICOL;
public:
// Constructor
TDBWMI(PWMIDEF tdp);
// Implementation
AMT GetAmType(void) override {return TYPE_AM_WMI;}
// Methods
virtual int GetRecpos(void);
virtual int GetProgCur(void) {return N;}
int RowNumber(PGLOBAL g, bool b = false) override {return N + 1;}
// Database routines
PCOL MakeCol(PGLOBAL g, PCOLDEF cdp, PCOL cprec, int n) override;
int Cardinality(PGLOBAL g) override {return GetMaxSize(g);}
int GetMaxSize(PGLOBAL g) override;
bool OpenDB(PGLOBAL g) override;
int ReadDB(PGLOBAL g) override;
int WriteDB(PGLOBAL g) override;
int DeleteDB(PGLOBAL g, int irc) override;
void CloseDB(PGLOBAL g) override;
protected:
// Specific routines
bool Initialize(PGLOBAL g);
char *MakeWQL(PGLOBAL g);
void DoubleSlash(PGLOBAL g);
bool GetWMIInfo(PGLOBAL g);
// Members
IWbemServices *Svc; // IWbemServices pointer
IEnumWbemClassObject *Enumerator;
IWbemClassObject *ClsObj;
char *Nspace; // Namespace
char *Wclass; // Class name
char *ObjPath; // Used for direct access
char *Kvp; // Itou
int Ems; // Estimated max size
PCOL Kcol; // Key column
HRESULT Res;
PVBLK Vbp;
bool Init;
bool Done;
ULONG Rc;
int N; // Row number
}; // end of class TDBWMI
/***********************************************************************/
/* Class WMICOL: WMI Address column. */
/***********************************************************************/
class WMICOL : public COLBLK {
friend class TDBWMI;
public:
// Constructors
WMICOL(PCOLDEF cdp, PTDB tdbp, int n);
// Implementation
int GetAmType(void) override {return TYPE_AM_WMI;}
// Methods
void ReadColumn(PGLOBAL g) override;
protected:
WMICOL(void) {} // Default constructor not to be used
// Members
PTDBWMI Tdbp; // Points to WMI table block
VARIANT Prop; // Property value
CIMTYPE Ctype; // CIM Type
HRESULT Res;
}; // end of class WMICOL
/***********************************************************************/
/* This is the class declaration for the WMI catalog table. */
/***********************************************************************/
class TDBWCL : public TDBCAT {
public:
// Constructor
TDBWCL(PWMIDEF tdp);
protected:
// Specific routines
virtual PQRYRES GetResult(PGLOBAL g) override;
// Members
char *Nsp; // Name space
char *Cls; // Class
}; // end of class TDBWCL
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