76 lines
1.6 KiB
C++
76 lines
1.6 KiB
C++
// -*- C++ -*-
|
|
|
|
//=============================================================================
|
|
/**
|
|
* @file Windows_Monitor.h
|
|
*
|
|
* @author Jeff Parsons <j.parsons@vanderbilt.edu>
|
|
*/
|
|
//=============================================================================
|
|
|
|
#ifndef WINDOWS_MONITOR_H
|
|
#define WINDOWS_MONITOR_H
|
|
|
|
#include /**/ "ace/pre.h"
|
|
|
|
#include "ace/SString.h"
|
|
|
|
#if !defined (ACE_LACKS_PRAGMA_ONCE)
|
|
#pragma once
|
|
#endif /* ACE_LACKS_PRAGMA_ONCE */
|
|
|
|
#include "ace/os_include/os_pdh.h"
|
|
|
|
#include "ace/Monitor_Control/Monitor_Control_export.h"
|
|
|
|
#if defined (ACE_HAS_WIN32_PDH)
|
|
|
|
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
|
|
|
|
namespace ACE
|
|
{
|
|
namespace Monitor_Control
|
|
{
|
|
/**
|
|
* @class Windows_Monitor
|
|
*
|
|
* @brief Mixin class for concrete monitors compiled on Windows machines.
|
|
*/
|
|
class MONITOR_CONTROL_Export Windows_Monitor
|
|
{
|
|
friend class Windows_Multi_Instance_Monitor;
|
|
|
|
protected:
|
|
Windows_Monitor (const ACE_TCHAR *path);
|
|
|
|
/// Platform-specific implementation.
|
|
void update_i (void);
|
|
|
|
/// Platform-specific reset.
|
|
void clear_impl (void);
|
|
|
|
protected:
|
|
double value_;
|
|
|
|
private:
|
|
/// Code common to constructor and clear_impl().
|
|
void init (void);
|
|
|
|
/// Make these persistent as members so they don't have to be
|
|
/// created & destroyed with each update.
|
|
private:
|
|
ACE_TString path_;
|
|
HQUERY query_;
|
|
HCOUNTER counter_;
|
|
PDH_STATUS status_;
|
|
};
|
|
}
|
|
}
|
|
|
|
ACE_END_VERSIONED_NAMESPACE_DECL
|
|
|
|
#include /**/ "ace/post.h"
|
|
|
|
#endif /* defined (ACE_HAS_WIN32_PDH) */
|
|
|
|
#endif // WINDOWS_MONITOR_H
|