ACE/ASNMP/asnmp/ctr64.h

   1 /* -*-C++-*- */
   2 #ifndef CTR64_
   3 #define CTR64_
   4 //=============================================================================
   5 /**
   6  *  @file    ctr64.h
   7  *
   8  *  SNMP Counter64 class definition.
   9  *
  10  *  @author Peter E Mellquist
  11  */
  12 //=============================================================================
  13
  14 /*===================================================================
  15   Copyright (c) 1996
  16   Hewlett-Packard Company
  17
  18   ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS.
  19   Permission to use, copy, modify, distribute and/or sell this software
  20   and/or its documentation is hereby granted without fee. User agrees
  21   to display the above copyright notice and this license notice in all
  22   copies of the software and any documentation of the software. User
  23   agrees to assume all liability for the use of the software; Hewlett-Packard
  24   makes no representations about the suitability of this software for any
  25   purpose. It is provided "AS-IS without warranty of any kind,either express
  26   or implied. User hereby grants a royalty-free license to any and all
  27   derivatives based upon this software code base.
  28 =====================================================================*/
  29
  30 #include "asnmp/smival.h"
  31 #include "ace/Basic_Types.h"
  32
  33 #define CTR64OUTBUF 30  // maximum ascii string for a 64-bit ctr
  34
  35
  36 //---------[ 64 bit Counter Class ]--------------------------------
  37 // Counter64 Class encapsulates two unsigned integers into a
  38 // a single entity. This type has is available in SNMPv2 but
  39 // may be used anywhere where needed.
  40 //
  41 /**
  42  * @class Counter64
  43  *
  44  * @brief Defines the member functions for the Counter64 concrete class
  45  * This class implements RFC 1902 64 bit Counter Object.
  46  */
  47 class ASNMP_Export Counter64 : public  SnmpSyntax
  48 {
  49 public:
  50   /// default constructor
  51   Counter64( ACE_UINT64 llw = 0);
  52
  53   /// constructor with values
  54   Counter64( unsigned long hiparm, unsigned long loparm);
  55
  56   /// copy constructor
  57   Counter64( const Counter64 &ctr64);
  58
  59   /// destructor (ensure that SnmpSyntax::~SnmpSyntax() is overridden)
  60   ~Counter64();
  61
  62   /// syntax type
  63   SmiUINT32 get_syntax();
  64
  65   /// return a long double representation
  66   long double to_long_double() const;
  67
  68   /// assign a long double to a counter64
  69   Counter64& assign( long double ld);
  70
  71   /// return the high part
  72   unsigned long high() const;
  73
  74   /// return the low part
  75   unsigned long low() const;
  76
  77   /// set the high part
  78   void set_high( const unsigned long h);
  79
  80   /// set the low part
  81   void set_low( const unsigned long l);
  82
  83   /// overloaded assignment
  84   Counter64& operator=( const ACE_UINT64 rhs);
  85
  86   /// overloaded assignment
  87   Counter64& operator=( const Counter64 &rhs);
  88
  89   /// get a printable ASCII representation
  90   const char *to_string();
  91
  92   /// create a new instance of this Value
  93   SnmpSyntax *clone() const;
  94
  95   /// copy an instance of this Value
  96   SnmpSyntax& operator=( SnmpSyntax &val);
  97
  98   /// general validity test, always true
  99   int valid() const;
 100
 101   /// otherwise, behave like an ACE_UINT64
 102   operator ACE_UINT64();
 103
 104 protected:
 105   char output_buffer[CTR64OUTBUF];
 106 };
 107
 108 #endif  // CTR64_