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/* -*- C++ -*- */
// ============================================================================
// $Id$
//
// = FILENAME
// Machine_Properties.h
//
// = DESCRIPTION
// As a trading service dynamic property, retrieves machine
// statistics from the rstatd using Sun RPC.
//
// = AUTHORS
// Seth Widoff <sbw1@cs.wustl.edu>
//
// ============================================================================
#if (! defined TAO_MACHINE_PROPERTIES)
#define TAO_MACHINE_PROPERTIES
#include "orbsvcs/Trader/Trader_Utils.h"
#include "Property_Exporter.h"
//RPC related includes
#include <rpc/rpc.h>
#include <rpcsvc/rstat.h>
class TAO_Machine_Properties :
public TAO_Dynamic_Property,
public TAO_Exportable
{
public:
enum PROP_TYPES
{
CPU,
DISK,
PAGES,
SWAPS,
PACKETS,
ERRORS,
CONTEXT_SWITCHES,
COLLISIONS,
INTERRUPTS,
LOAD
};
static const int NUM_PROPERTIES;
static const char* PROP_NAMES[];
TAO_Machine_Properties (void);
TAO_Machine_Properties (const ACE_Time_Value& timeout);
virtual CORBA::Any* evalDP (const char* name,
CORBA::TypeCode_ptr returned_type,
const CORBA::Any& extra_info,
CORBA::Environment& _env)
TAO_THROW_SPEC ((CosTradingDynamic::DPEvalFailure));
// Return the value of a machine performance property whose name is
// contained in <extra_info>, which in essence is another
// demultiplexing key.
virtual void export_properties (TAO_Property_Exporter& prop_exporter);
virtual int define_properties
(CosTradingRepos::ServiceTypeRepository::PropStructSeq& prop_seq,
CORBA::ULong offset = 0) const;
private:
void init (void);
int retrieve_stats (void);
void compute_cpu (CORBA::Any& value, int elapsed_time);
void compute_disk (CORBA::Any& value, int elapsed_time);
void compute_pages (CORBA::Any& value, int elapsed_time);
void compute_swaps (CORBA::Any& value, int elapsed_time);
void compute_packets (CORBA::Any& value, int elapsed_time);
void compute_errors (CORBA::Any& value, int elapsed_time);
void compute_context (CORBA::Any& value, int elapsed_time);
void compute_collisions (CORBA::Any& value, int elapsed_time);
void compute_interrupts (CORBA::Any& value, int elapsed_time);
void compute_load (CORBA::Any& value, int elapsed_time);
const ACE_Time_Value timeout_;
ACE_Time_Value timestamp_;
ACE_Time_Value sample_time_;
statstime stats_;
statstime old_stats_;
CLIENT* rstat_client_;
};
#endif /* TAO_MACHINE_PROPERTIES */
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