DwmRusage.hh

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//===========================================================================
// @(#) $DwmPath: dwm/libDwm/tags/libDwm-0.6.0/include/DwmRusage.hh 8401 $
// @(#) $Id: DwmRusage.hh 8401 2016-04-17 06:44:31Z dwm $
//===========================================================================
//  Copyright (c) Daniel W. McRobb 2006-2007, 2016
//  All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without
//  modification, are permitted provided that the following conditions
//  are met:
//
//  1. Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
//  2. Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
//  3. The names of the authors and copyright holders may not be used to
//     endorse or promote products derived from this software without
//     specific prior written permission.
//
//  IN NO EVENT SHALL DANIEL W. MCROBB BE LIABLE TO ANY PARTY FOR
//  DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
//  INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE,
//  EVEN IF DANIEL W. MCROBB HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
//  DAMAGE.
//
//  THE SOFTWARE PROVIDED HEREIN IS ON AN "AS IS" BASIS, AND
//  DANIEL W. MCROBB HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
//  UPDATES, ENHANCEMENTS, OR MODIFICATIONS. DANIEL W. MCROBB MAKES NO
//  REPRESENTATIONS AND EXTENDS NO WARRANTIES OF ANY KIND, EITHER
//  IMPLIED OR EXPRESS, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
//  WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE,
//  OR THAT THE USE OF THIS SOFTWARE WILL NOT INFRINGE ANY PATENT,
//  TRADEMARK OR OTHER RIGHTS.
//===========================================================================

//---------------------------------------------------------------------------
//---------------------------------------------------------------------------

#ifndef _DWMRUSAGE_HH_
#define _DWMRUSAGE_HH_

extern "C" {
  #include <sys/types.h>
  #include <sys/time.h>
  #include <sys/resource.h>
  #include <inttypes.h>
}

#include <iostream>

#include "DwmGZReadable.hh"
#include "DwmGZWritable.hh"
#include "DwmReadable.hh"
#include "DwmTimeValue.hh"
#include "DwmWritable.hh"

namespace Dwm {

  //--------------------------------------------------------------------------
  //--------------------------------------------------------------------------
  class Rusage
    : public Readable, public Writable,
      public GZReadable, public GZWritable
  {
  public:
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    Rusage();

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    Rusage(const struct rusage & rusage);
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool Get(int who);
  
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const TimeValue & UserTime() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const TimeValue & SystemTime() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int64_t MaxResidentSetSize() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int64_t IntegralSharedTextMemorySize() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int64_t IntegralUnsharedDataSize() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int64_t IntegralUnsharedStackSize() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t PageReclaims() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t PageFaults() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t Swaps() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t BlockInputOperations() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t BlockOutputOperations() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t MessagesSent() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t MessagesReceived() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t SignalsReceived() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t VoluntaryContextSwitches() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int32_t InvoluntaryContextSwitches() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    friend std::ostream & operator << (std::ostream & os, const Rusage & r);

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    std::istream & Read(std::istream & is);
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    std::ostream & Write(std::ostream & os) const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int Read(gzFile gzf);
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    int Write(gzFile gzf) const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    ssize_t Read(int fd);
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    ssize_t Write(int fd) const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    size_t Read(FILE * f);
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    size_t Write(FILE *f) const;
    
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    uint32_t StreamedLength() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    bool operator == (const Rusage & rusage) const;
    
  private:
    TimeValue  _userTime;
    TimeValue  _systemTime;
    int64_t    _maxResidentSetSize;
    int64_t    _integralSharedTextMemorySize;
    int64_t    _integralUnsharedDataSize;
    int64_t    _integralUnsharedStackSize;
    int32_t    _pageReclaims;
    int32_t    _pageFaults;
    int32_t    _swaps;
    int32_t    _blockInputOperations;
    int32_t    _blockOutputOperations;
    int32_t    _messagesSent;
    int32_t    _messagesReceived;
    int32_t    _signalsReceived;
    int32_t    _voluntaryContextSwitches;
    int32_t    _involuntaryContextSwitches;
    
    void Set(const struct rusage & rusage);
  };
  
}  // namespace Dwm

#endif  // _DWMRUSAGE_HH_

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//-------------------------------------------------------------------------