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// -*- C++ -*-
//=============================================================================
/**
* @file Windows_Multi_Instance_Monitor.h
*
* @author Jeff Parsons <j.parsons@vanderbilt.edu>
*/
//=============================================================================
#ifndef WINDOWS_MULTI_INSTANCE_MONITOR_H
#define WINDOWS_MULTI_INSTANCE_MONITOR_H
#include /**/ "ace/pre.h"
#include "ace/Unbounded_Queue.h"
#if !defined (ACE_LACKS_PRAGMA_ONCE)
#pragma once
#endif /* ACE_LACKS_PRAGMA_ONCE */
#include "ace/Monitor_Control/Windows_Monitor.h"
#if defined (ACE_HAS_WIN32_PDH)
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE
{
namespace Monitor_Control
{
/**
* @class Windows_Multi_Instance_Monitor
*
* @brief Mixin class for concrete monitors compiled on Windows machines
* where the Performance Data Helper object of interest has more
* than once instance, for example multiple CPUs or network cards.
*/
class MONITOR_CONTROL_Export Windows_Multi_Instance_Monitor
{
protected:
Windows_Multi_Instance_Monitor (const ACE_TCHAR *wildcard_path);
virtual ~Windows_Multi_Instance_Monitor (void);
/// Platform-specific implementation.
void update_i (void);
/// Platform-specific reset.
void clear_impl (void);
protected:
double value_;
private:
typedef ACE_Unbounded_Queue<Windows_Monitor *>
INSTANCES;
typedef ACE_Unbounded_Queue_Const_Iterator<Windows_Monitor *>
INSTANCES_ITERATOR;
INSTANCES instances_;
DWORD n_instances_;
PDH_STATUS status_;
};
}
}
ACE_END_VERSIONED_NAMESPACE_DECL
#include /**/ "ace/post.h"
#endif /* defined (ACE_HAS_WIN32_PDH) */
#endif // WINDOWS_MULTI_INSTANCE_MONITOR_H
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