ACE/ace/Monitor_Control/Memory_Usage_Monitor.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  * @file Memory_Usage_Monitor.h
   6  *
   7  * @author Jeff Parsons <j.parsons@vanderbilt.edu>
   8  */
   9 //=============================================================================
  10
  11 #ifndef MEMORY_USAGE_MONITOR_H
  12 #define MEMORY_USAGE_MONITOR_H
  13
  14 #include /**/ "ace/pre.h"
  15
  16 #include "ace/Monitor_Base.h"
  17
  18 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  19 #pragma once
  20 #endif /* ACE_LACKS_PRAGMA_ONCE */
  21
  22 #if defined (ACE_HAS_MONITOR_FRAMEWORK) && (ACE_HAS_MONITOR_FRAMEWORK == 1)
  23
  24 #if defined (ACE_HAS_PDH_H) && !defined (ACE_LACKS_PDH_H)
  25 #include "ace/Monitor_Control/Windows_Monitor.h"
  26 #elif defined (ACE_HAS_LINUX_SYSINFO)
  27 #include "ace/os_include/sys/os_sysinfo.h"
  28 #endif
  29
  30 #include "ace/Monitor_Control/Monitor_Control_export.h"
  31
  32 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  33
  34 namespace ACE
  35 {
  36   namespace Monitor_Control
  37   {
  38     /**
  39      * @class Memory_Usage_Monitor
  40      *
  41      * @brief Monitor percentage of total available memory used.
  42      */
  43     class MONITOR_CONTROL_Export Memory_Usage_Monitor
  44       : public Monitor_Base
  45 #if defined (ACE_HAS_WIN32_PDH)
  46       , public Windows_Monitor
  47 #endif
  48     {
  49     public:
  50       Memory_Usage_Monitor (const char* name);
  51
  52       /// Implementation of the pure virtual method.
  53       virtual void update ();
  54
  55       /// Stores the default name, used if none is supplied by the user.
  56       static const char* default_name ();
  57
  58     private:
  59       /// Overridden reset, calls platform-specific reset.
  60       virtual void clear_i ();
  61
  62     private:
  63       static const char* default_name_;
  64
  65 #if defined (ACE_HAS_LINUX_SYSINFO)
  66       struct sysinfo sysinfo_;
  67 #endif
  68     };
  69   }
  70 }
  71
  72 ACE_END_VERSIONED_NAMESPACE_DECL
  73
  74 #endif /* ACE_HAS_MONITOR_FRAMEWORK==1 */
  75
  76 #include /**/ "ace/post.h"
  77
  78 #endif // MEMORY_USAGE_MONITOR_H