Osmocom GSM/GPRS/EGPRS transceiver, originally forked from OpenBTS transceiver. For building SDR based GSM BTS with osmo-bts-trx.
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/*
* Copyright 2008 Free Software Foundation, Inc.
*
* SPDX-License-Identifier: AGPL-3.0+
*
* This software is distributed under the terms of the GNU Affero Public License.
* See the COPYING file in the main directory for details.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Timeval.h"
extern "C" {
#include <osmocom/core/timer.h>
}
using namespace std;
void Timeval::now()
{
osmo_clock_gettime(CLOCK_REALTIME, &mTimespec);
}
void Timeval::future(unsigned offset)
{
now();
unsigned sec = offset/1000;
unsigned msec = offset%1000;
mTimespec.tv_nsec += msec*1000*1000;
mTimespec.tv_sec += sec;
if (mTimespec.tv_nsec > 1000*1000*1000) {
mTimespec.tv_nsec -= 1000*1000*1000;
mTimespec.tv_sec += 1;
}
}
struct timespec Timeval::timespec() const
{
return mTimespec;
}
bool Timeval::passed() const
{
Timeval nowTime;
if (nowTime.mTimespec.tv_sec < mTimespec.tv_sec) return false;
if (nowTime.mTimespec.tv_sec > mTimespec.tv_sec) return true;
if (nowTime.mTimespec.tv_nsec >= mTimespec.tv_nsec) return true;
return false;
}
double Timeval::seconds() const
{
return ((double)mTimespec.tv_sec) + 1e-9*((double)mTimespec.tv_nsec);
}
long Timeval::delta(const Timeval& other) const
{
// 2^31 milliseconds is just over 4 years.
int32_t deltaS = other.sec() - sec();
int32_t deltaNs = other.nsec() - nsec();
return 1000*deltaS + deltaNs/1000000;
}
ostream& operator<<(ostream& os, const Timeval& tv)
{
ios_base::fmtflags flags_backup = os.setf( ios::fixed, ios::floatfield );
os << tv.seconds();
os.flags( flags_backup );
return os;
}
ostream& operator<<(ostream& os, const struct timespec& ts)
{
os << ts.tv_sec << "," << ts.tv_nsec/1000;
return os;
}
// vim: ts=4 sw=4