97 lines
2.2 KiB
C++
97 lines
2.2 KiB
C++
/*
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* OpenBTS provides an open source alternative to legacy telco protocols and
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* traditionally complex, proprietary hardware systems.
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*
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* Copyright 2008 Free Software Foundation, Inc.
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* Copyright 2011-2014 Range Networks, Inc.
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*
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* This software is distributed under the terms of the GNU Affero General
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* Public License version 3. See the COPYING and NOTICE files in the main
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* directory for licensing information.
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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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*/
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#ifndef TIMEVAL_H
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#define TIMEVAL_H
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#include <unistd.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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/** 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 timeval mTimeval;
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public:
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/** Set the value to gettimeofday. */
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void now() { gettimeofday(&mTimeval,NULL); }
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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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mTimeval.tv_sec = sec;
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mTimeval.tv_usec = usec;
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}
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Timeval(const struct timeval& wTimeval)
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:mTimeval(wTimeval)
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{}
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/**
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Create a Timeval 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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time_t sec() const { return mTimeval.tv_sec; }
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uint32_t usec() const { return mTimeval.tv_usec; }
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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 gettimeofday. */
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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) { mTimeval.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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