109 lines
2.7 KiB
C++
109 lines
2.7 KiB
C++
/*
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* Copyright 2008 Free Software Foundation, Inc.
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*
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* This software is distributed under the terms of the GNU Affero Public License.
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* See the COPYING file in the main directory for details.
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*
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* This use of this software may be subject to additional restrictions.
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* See the LEGAL file in the main directory for details.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef TIMEVAL_H
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#define TIMEVAL_H
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#include <stdint.h>
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#include "sys/time.h"
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#include <iostream>
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#include <unistd.h>
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/** A wrapper on usleep to sleep for milliseconds. */
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inline void msleep(long v) { usleep(v*1000); }
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/** A C++ wrapper for struct timeval. */
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class Timeval {
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private:
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struct timespec mTimespec;
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public:
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/** Set the value to current time. */
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void now();
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/** Set the value to gettimeofday plus an offset. */
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void future(unsigned ms);
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//@{
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Timeval(unsigned sec, unsigned usec)
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{
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mTimespec.tv_sec = sec;
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mTimespec.tv_nsec = usec*1000;
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}
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Timeval(const struct timeval& wTimeval)
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{
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mTimespec.tv_sec = wTimeval.tv_sec;
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mTimespec.tv_nsec = wTimeval.tv_sec*1000;
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}
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/**
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Create a Timespec offset into the future.
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@param offset milliseconds
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*/
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Timeval(unsigned offset=0) { future(offset); }
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//@}
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/** Convert to a struct timespec. */
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struct timespec timespec() const;
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/** Return total seconds. */
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double seconds() const;
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uint32_t sec() const { return mTimespec.tv_sec; }
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uint32_t usec() const { return mTimespec.tv_nsec / 1000; }
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uint32_t nsec() const { return mTimespec.tv_nsec; }
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/** Return differnce from other (other-self), in ms. */
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long delta(const Timeval& other) const;
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/** Elapsed time in ms. */
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long elapsed() const { return delta(Timeval()); }
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/** Remaining time in ms. */
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long remaining() const { return -elapsed(); }
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/** Return true if the time has passed, as per clock_gettime(CLOCK_REALTIME). */
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bool passed() const;
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/** Add a given number of minutes to the time. */
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void addMinutes(unsigned minutes) { mTimespec.tv_sec += minutes*60; }
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};
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std::ostream& operator<<(std::ostream& os, const Timeval&);
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std::ostream& operator<<(std::ostream& os, const struct timespec&);
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#endif
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// vim: ts=4 sw=4
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