/*=================================================================== Copyright (c) 1996 Hewlett-Packard Company ATTENTION: USE OF THIS SOFTWARE IS SUBJECT TO THE FOLLOWING TERMS. Permission to use, copy, modify, distribute and/or sell this software and/or its documentation is hereby granted without fee. User agrees to display the above copyright notice and this license notice in all copies of the software and any documentation of the software. User agrees to assume all liability for the use of the software; Hewlett-Packard makes no representations about the suitability of this software for any purpose. It is provided "AS-IS without warranty of any kind,either express or implied. User hereby grants a royalty-free license to any and all derivatives based upon this software code base. C O U N T E R 6 4. C P P COUNTER64 CLASS IMPLEMENTATION VERSION 2.6 DESIGN: Peter E. Mellquist AUTHOR: Peter E Mellquist DATE: June 15, 1994 DESCRIPTION: Implementation for Counter64 ( 64 bit counter class). LANGUAGE: ANSI C++ OPERATING SYSTEM(S): MS-Windows Win32 BSD UNIX =====================================================================*/ char counter64_cpp_version[]="@(#) SNMP++ 2.6 $Header: /caimis/cvs/cflowd/snmp++/classes/src/ctr64.cpp,v 1.3 2000/04/07 04:47:50 dwm Exp $"; #include "ctr64.h" #include // for pretty printing... #define MAX32 4294967295UL //-----------[ syntax type ]---------------------------------------------- SmiUINT32 Counter64::get_syntax() { return sNMP_SYNTAX_CNTR64; }; //------------------[ constructor with no value ]------------------------ Counter64::Counter64( void) { smival.syntax = sNMP_SYNTAX_CNTR64; smival.value.hNumber.hipart = 0; smival.value.hNumber.lopart = 0; }; //------------------[ constructor with values ]-------------------------- Counter64::Counter64( unsigned long hiparm, unsigned long loparm) { smival.syntax = sNMP_SYNTAX_CNTR64; smival.value.hNumber.hipart = hiparm; smival.value.hNumber.lopart = loparm; }; //------------------[ constructor with low value only ]------------------ Counter64::Counter64( unsigned long loparm ) { smival.syntax = sNMP_SYNTAX_CNTR64; smival.value.hNumber.hipart = 0; smival.value.hNumber.lopart = loparm; }; //------------------[ copy constructor ]--------------------------------- Counter64::Counter64( const Counter64 &ctr64 ) { smival.syntax = sNMP_SYNTAX_CNTR64; smival.value.hNumber.hipart = ctr64.high(); smival.value.hNumber.lopart = ctr64.low(); }; //------------------[ destructor ]--------------------------------- Counter64::~Counter64() {}; //------------------[ Counter64::high() ]------------------------------ // return the high part unsigned long int Counter64::high() const { return smival.value.hNumber.hipart; }; //------------------[ Counter64::low() ]------------------------------- // return the low part unsigned long int Counter64::low() const { return smival.value.hNumber.lopart; }; //------------------[ set_high( const unsigned long int h) ]----------- // set the high part void Counter64::set_high( const unsigned long int h) { smival.value.hNumber.hipart = h; }; //------------------[ set_low( const unsigned long int l) ]------------ // set the low part void Counter64::set_low( const unsigned long int l) { smival.value.hNumber.lopart = l; }; //------------------[ operator=( const Counter64 &ctr64) ]------------- // assign a ctr64 to a ctr64 Counter64& Counter64::operator=( const Counter64 &ctr64) { smival.value.hNumber.hipart = ctr64.high(); smival.value.hNumber.lopart = ctr64.low(); return *this; }; //-------------------[ operator=( const unsigned long int i) ]--------- // assign a ul to a ctr64, clears the high part // and assugns the low part Counter64& Counter64::operator=( const unsigned long int i) { smival.value.hNumber.hipart = 0; smival.value.hNumber.lopart = i; return *this; }; //-----------[ c64_to_ld( Counter64 c64) ]----------------------------- // convert a Counter 64 to a long double long double Counter64::c64_to_ld( Counter64 &c64) { long double ld = c64.high(); ld *= MAX32; ld += c64.low(); return (ld); }; //-----------[ ld_to_c64( long double ld) ]---------------------------- // convert a long double to a Counter64 Counter64 Counter64::ld_to_c64( long double ld) { unsigned long h; unsigned long l; h = (unsigned long)(ld / MAX32); l = (unsigned long)(ld-h); return ( Counter64( h,l)); }; //----------[ Counter64::operator+( const Counter64 &c) ]--------------- // add two Counter64s Counter64 Counter64::operator+( const Counter64 &c) { long double ld1, ld2, ldsum; Counter64 result; Counter64 temp( c); ld1 = c64_to_ld( *this); ld2 = c64_to_ld( temp); ldsum = ld1+ld2; result = ld_to_c64( ldsum); return ( Counter64( result.high(),result.low() )); }; // add a unsigned long and a Counter64 Counter64 operator+( unsigned long ul, const Counter64 &c64) { return Counter64( ul) + c64; }; //------------[ Counter64::operator-( const Counter64 &c) ]------------- // subtract two Counter64s Counter64 Counter64::operator-( const Counter64 &c) { long double ld1, ld2, ldsum; Counter64 result; Counter64 temp( c); ld1 = c64_to_ld( *this); ld2 = c64_to_ld( temp); ldsum = ld1-ld2; result = ld_to_c64( ldsum); return ( Counter64( result.high(),result.low() )); }; // add a unsigned long and a Counter64 Counter64 operator-( unsigned long ul, const Counter64 &c64) { return Counter64( ul) - c64; }; //------------[ Counter64::operator*( const Counter64 &c) ]------------- // multiply two Counter64s Counter64 Counter64::operator*( const Counter64 &c) { long double ld1, ld2, ldsum; Counter64 result; Counter64 temp( c); ld1 = c64_to_ld( *this); ld2 = c64_to_ld( temp); ldsum = ld1*ld2; result = ld_to_c64( ldsum); return ( Counter64( result.high(),result.low() )); }; // add a unsigned long and a Counter64 Counter64 operator*( unsigned long ul, const Counter64 &c64) { return Counter64( ul) * c64; }; //------------[ Counter64::operator/( const Counter64 &c) ]-------------- // divide two Counter64s Counter64 Counter64::operator/( const Counter64 &c) { long double ld1, ld2, ldsum; Counter64 result; Counter64 temp( c); ld1 = c64_to_ld( *this); ld2 = c64_to_ld( temp); ldsum = ld1/ld2; result = ld_to_c64( ldsum); return ( Counter64( result.high(),result.low() )); }; // add a unsigned long and a Counter64 Counter64 operator/( unsigned long ul, const Counter64 &c64) { return Counter64( ul) / c64; }; //-------[ overloaded equivlence test ]---------------------------------- int operator==( Counter64 &lhs, Counter64 &rhs) { if (( lhs.high() == rhs.high()) && ( lhs.low() == rhs.low())) return TRUE; else return FALSE; }; //-------[ overloaded not equal test ]----------------------------------- int operator!=( Counter64 &lhs, Counter64 &rhs) { if (( lhs.high() != rhs.high()) || ( lhs.low() != rhs.low())) return TRUE; else return FALSE; }; //--------[ overloaded less than ]--------------------------------------- int operator<( Counter64 &lhs, Counter64 &rhs) { long double ld_lhs, ld_rhs; ld_lhs = lhs.c64_to_ld( lhs); ld_rhs = rhs.c64_to_ld( rhs); if ( ld_lhs < ld_rhs) return TRUE; else return FALSE; }; //---------[ overloaded less than or equal ]----------------------------- int operator<=( Counter64 &lhs, Counter64 &rhs) { long double ld_lhs, ld_rhs; ld_lhs = lhs.c64_to_ld( lhs); ld_rhs = rhs.c64_to_ld( rhs); if ( ld_lhs <= ld_rhs) return TRUE; else return FALSE; }; //---------[ overloaded greater than ]----------------------------------- int operator>( Counter64 &lhs, Counter64 &rhs) { long double ld_lhs, ld_rhs; ld_lhs = lhs.c64_to_ld( lhs); ld_rhs = rhs.c64_to_ld( rhs); if ( ld_lhs > ld_rhs) return TRUE; else return FALSE; }; //----------[ overloaded greater than or equal ]------------------------- int operator>=( Counter64 &lhs, Counter64 &rhs) { long double ld_lhs, ld_rhs; ld_lhs = lhs.c64_to_ld( lhs); ld_rhs = rhs.c64_to_ld( rhs); if ( ld_lhs >= ld_rhs) return TRUE; else return FALSE; }; //----------[ return ASCII format ]------------------------- // TODO: Fix up to do real 64bit decimal value printing... // For now, print > 32-bit values in hex char * Counter64::get_printable() { unsigned long long largeVal = high(); largeVal <<= 32; largeVal |= low(); sprintf(output_buffer, "%qu", largeVal); return output_buffer; }; //----------------[ general Value = operator ]--------------------- SnmpSyntax& Counter64::operator=( SnmpSyntax &val) { // protect against assignment from itself if ( this == &val ) return *this; smival.value.hNumber.lopart = 0; // pessimsitic - assume no mapping smival.value.hNumber.hipart = 0; // try to make assignment valid if (val.valid()){ switch (val.get_syntax()){ case sNMP_SYNTAX_CNTR64: smival.value.hNumber.hipart = ((Counter64 &)val).smival.value.hNumber.hipart; smival.value.hNumber.lopart = ((Counter64 &)val).smival.value.hNumber.lopart; break; case sNMP_SYNTAX_CNTR32: case sNMP_SYNTAX_TIMETICKS: case sNMP_SYNTAX_GAUGE32: // case sNMP_SYNTAX_UINT32: .. indistinguishable from GAUGE32 case sNMP_SYNTAX_INT32: // take advantage of union... smival.value.hNumber.lopart = ((Counter64 &)val).smival.value.uNumber; smival.value.hNumber.hipart = 0; break; } } return *this; }; //----------------[ Counter64::clone() ]----------------------------------- // create a new instance of this Value SnmpSyntax* Counter64::clone() const { return ( SnmpSyntax *) new Counter64(*this); }; //----------------[ Counter64::valid() ]------------------------------------- int Counter64::valid() const { return 1; };