wanproxy/common/time/time.h
2015-08-31 14:01:44 +02:00

105 lines
2.8 KiB
C++

/*
* Copyright (c) 2011 Juli Mallett. 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.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef COMMON_TIME_TIME_H
#define COMMON_TIME_TIME_H
#include <map>
struct NanoTime {
uintmax_t seconds_;
uintmax_t nanoseconds_;
NanoTime(void)
: seconds_(0),
nanoseconds_(0)
{ }
NanoTime(const NanoTime& src)
: seconds_(src.seconds_),
nanoseconds_(src.nanoseconds_)
{ }
bool operator< (const NanoTime& b) const
{
if (seconds_ == b.seconds_)
return (nanoseconds_ < b.nanoseconds_);
return (seconds_ < b.seconds_);
}
bool operator> (const NanoTime& b) const
{
if (seconds_ == b.seconds_)
return (nanoseconds_ > b.nanoseconds_);
return (seconds_ > b.seconds_);
}
bool operator<= (const NanoTime& b) const
{
if (seconds_ == b.seconds_)
return (nanoseconds_ <= b.nanoseconds_);
return (seconds_ <= b.seconds_);
}
bool operator>= (const NanoTime& b) const
{
if (seconds_ == b.seconds_)
return (nanoseconds_ >= b.nanoseconds_);
return (seconds_ >= b.seconds_);
}
NanoTime& operator+= (const NanoTime& b)
{
seconds_ += b.seconds_;
nanoseconds_ += b.nanoseconds_;
if (nanoseconds_ >= 1000000000) {
seconds_++;
nanoseconds_ -= 1000000000;
}
return (*this);
}
NanoTime& operator-= (const NanoTime& b)
{
ASSERT("/nano/time", *this >= b);
if (nanoseconds_ < b.nanoseconds_) {
nanoseconds_ += 1000000000;
seconds_ -= 1;
}
seconds_ -= b.seconds_;
nanoseconds_ -= b.nanoseconds_;
return (*this);
}
static NanoTime current_time(void);
static void sleep(int ms);
};
#endif /* !COMMON_TIME_TIME_H */