ArSystemStatus.h

/*
MobileRobots Advanced Robotics Interface for Applications (ARIA)
Copyright (C) 2004, 2005 ActivMedia Robotics LLC
Copyright (C) 2006, 2007 MobileRobots Inc.

     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.

     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

If you wish to redistribute ARIA under different terms, contact 
MobileRobots for information about a commercial version of ARIA at 
robots@mobilerobots.com or 
MobileRobots Inc, 19 Columbia Drive, Amherst, NH 03031; 800-639-9481
*/


#ifndef ARSYSTEMSTATUS_H
#define ARSYSTEMSTATUS_H

#include "Aria.h"

class ArSystemStatusRefreshThread;

class ArSystemStatus {
public:

  AREXPORT static void startPeriodicUpdate(int refreshFrequency = 5000);

  AREXPORT static void stopPeriodicUpdate();

  AREXPORT static void runRefreshThread(int refreshFrequency = 5000) {
    startPeriodicUpdate(refreshFrequency);
  }

  AREXPORT static double getCPU();

  AREXPORT static double getCPUPercent();

  AREXPORT static std::string getCPUPercentAsString();

  AREXPORT static unsigned long getUptime();

  AREXPORT static double getUptimeHours();

  AREXPORT static std::string getUptimeHoursAsString();

  AREXPORT static ArRetFunctor<double>* getCPUPercentFunctor();

  AREXPORT static ArRetFunctor<double>* getUptimeHoursFunctor();



  AREXPORT static int getWirelessLinkQuality();

  AREXPORT static int getWirelessLinkSignal();

  AREXPORT static int getWirelessLinkNoise();

  AREXPORT static int getWirelessDiscardedPackets();

  AREXPORT static int getWirelessDiscardedPacketsBecauseNetConflict();

  AREXPORT static ArRetFunctor<int>* getWirelessLinkQualityFunctor();
  AREXPORT static ArRetFunctor<int>* getWirelessLinkNoiseFunctor();
  AREXPORT static ArRetFunctor<int>* getWirelessLinkSignalFunctor();

  AREXPORT static void invalidate();

  AREXPORT static void refresh() { } 
private:
  

  static ArMutex ourCPUMutex;
  static double ourCPU;
  static unsigned long ourUptime;
  static unsigned long ourLastCPUTime;
  static ArTime ourLastCPURefreshTime;
  static ArGlobalRetFunctor<double> ourGetCPUPercentCallback;
  static ArGlobalRetFunctor<double> ourGetUptimeHoursCallback;

  static ArMutex ourWirelessMutex;
  static int ourLinkQuality, ourLinkSignal, ourLinkNoise,
        ourDiscardedTotal, ourDiscardedDecrypt, ourDiscardedConflict;
  static ArGlobalRetFunctor<int> ourGetWirelessLinkQualityCallback;
  static ArGlobalRetFunctor<int> ourGetWirelessLinkNoiseCallback;
  static ArGlobalRetFunctor<int> ourGetWirelessLinkSignalCallback;

  static void refreshCPU(); 
  static void refreshWireless(); 

  
  static ArSystemStatusRefreshThread* ourPeriodicUpdateThread;
  static bool ourShouldRefreshWireless;
  static bool ourShouldRefreshCPU;

};

#endif

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