MeVisLab Toolbox Reference
mlWMIInterface.h
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1/*************************************************************************************
2**
3** Copyright 2011, MeVis Medical Solutions AG
4**
5** The user may use this file in accordance with the license agreement provided with
6** the Software or, alternatively, in accordance with the terms contained in a
7** written agreement between the user and MeVis Medical Solutions AG.
8**
9** For further information use the contact form at https://www.mevislab.de/contact
10**
11**************************************************************************************/
12
13#ifndef ML_WMIINTERFACE_H
14#define ML_WMIINTERFACE_H
15
17
18#include <string>
19
20#ifdef WIN32
21
22#define _WIN32_DCOM
23
24#include "mlUtilsSystem.h"
25
26#include <ThirdPartyWarningsDisable.h>
27#include <windows.h>
28#include <Wbemidl.h>
29#include <ThirdPartyWarningsRestore.h>
30
31ML_UTILS_START_NAMESPACE
32
35class ML_UTILS_EXPORT WMIInterface {
36
37public:
39 static WMIInterface* self();
40
42 static void init();
44 static void cleanup();
45
47 std::string queryWMIString(const char* wmiClassName, const char* wmiProperty);
48
50 MLuint32 queryWMIuint32(const char* wmiClassName, const char* wmiProperty);
51
52private:
53 WMIInterface();
54 ~WMIInterface();
55
56private:
57 static WMIInterface* _self;
58
59 bool initWMI();
60 void cleanupWMI();
61
62 bool _valid;
63 bool _needsUninitialize;
64
65 IWbemLocator* _locator;
66 IWbemServices* _services;
67
69 VARIANT* queryWMI(const char* wmiClassName, const char* wmiProperty);
70
72 void deleteVariant(VARIANT* var);
73
74};
75
76ML_UTILS_END_NAMESPACE
77
78#endif // WIN32
79
80#endif // __mlWMIInterface_H
ml::WMIInterface
Interface to the Windows Management Instrumentation https://msdn.microsoft.com/en-us/library/aa394582...
Definition mlWMIInterface.h:35
ml::WMIInterface::self
static WMIInterface * self()
Returns singleton. It creates singleton if init() was not yet called.
ml::WMIInterface::cleanup
static void cleanup()
Cleans up of the singleton.
ml::WMIInterface::init
static void init()
Initializes the singleton.
ml::WMIInterface::queryWMIString
std::string queryWMIString(const char *wmiClassName, const char *wmiProperty)
Returns UTF-8 encoded WMI property given the wmiClassName and wmiPropery.
ml::WMIInterface::queryWMIuint32
MLuint32 queryWMIuint32(const char *wmiClassName, const char *wmiProperty)
Returns integer WMI property given the wmiClassName and wmiPropery.
MLuint32
unsigned int MLuint32
Definition mlTypeDefs.h:184
ML_UTILS_EXPORT
#define ML_UTILS_EXPORT
Definition mlUtilities.h:18