/*
* Copyright (C) 2010 Miroslav Lichvar <mlichvar@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CLOCK_H
#define CLOCK_H
#include "sysheaders.h"
#include "generator.h"
#define CLOCK_NTP_FLL_MODE2 0x1
#define CLOCK_NTP_PLL_CLAMP 0x2
class Clock {
double time;
double mono_time;
double freq;
Generator *freq_generator;
Generator *step_generator;
long base_tick;
struct timex ntp_timex;
int ntp_state;
int ntp_shift_pll;
int ntp_flags;
long ntp_update_interval;
double ntp_offset;
double ntp_slew;
long ss_offset;
long ss_slew;
public:
Clock();
~Clock();
double get_real_time() const;
double get_monotonic_time() const;
double get_total_freq() const;
double get_raw_freq() const;
double get_true_interval(double local_interval) const;
double get_local_interval(double true_interval) const;
void set_freq_generator(Generator *gen);
void set_step_generator(Generator *gen);
void set_freq(double freq);
void set_time(double time);
void step_time(double step);
void set_ntp_shift_pll(int shift);
void set_ntp_flag(int enable, int flag);
void advance(double real_interval);
void update(bool second);
void update_ntp_offset(long offset);
int adjtimex(struct timex *buf);
int adjtime(const struct timeval *delta, struct timeval *olddelta);
};
class Refclock {
double time;
double offset;
bool generate;
bool valid;
Generator *offset_generator;
public:
Refclock();
~Refclock();
void set_offset_generator(Generator *gen);
void update(double time, const Clock *clock);
void set_generation(bool enable);
bool get_sample(double *time, double *offset) const;
void get_offsets(double *offsets, int size);
};
#endif