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Diffstat (limited to 'refclock.h')
-rw-r--r-- | refclock.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/refclock.h b/refclock.h new file mode 100644 index 0000000..69a0152 --- /dev/null +++ b/refclock.h @@ -0,0 +1,84 @@ +/* + chronyd/chronyc - Programs for keeping computer clocks accurate. + + ********************************************************************** + * Copyright (C) Miroslav Lichvar 2009 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * 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, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + ********************************************************************** + + ======================================================================= + + Header file for refclocks. + + */ + +#ifndef GOT_REFCLOCK_H +#define GOT_REFCLOCK_H + +#include "srcparams.h" +#include "sources.h" + +typedef struct { + char *driver_name; + char *driver_parameter; + int driver_poll; + int poll; + int filter_length; + int pps_forced; + int pps_rate; + int min_samples; + int max_samples; + int sel_options; + int max_lock_age; + int stratum; + int tai; + uint32_t ref_id; + uint32_t lock_ref_id; + double offset; + double delay; + double precision; + double max_dispersion; + double pulse_width; +} RefclockParameters; + +typedef struct RCL_Instance_Record *RCL_Instance; + +typedef struct { + int (*init)(RCL_Instance instance); + void (*fini)(RCL_Instance instance); + int (*poll)(RCL_Instance instance); +} RefclockDriver; + +extern void RCL_Initialise(void); +extern void RCL_Finalise(void); +extern int RCL_AddRefclock(RefclockParameters *params); +extern void RCL_StartRefclocks(void); +extern void RCL_ReportSource(RPT_SourceReport *report, struct timespec *now); + +/* functions used by drivers */ +extern void RCL_SetDriverData(RCL_Instance instance, void *data); +extern void *RCL_GetDriverData(RCL_Instance instance); +extern char *RCL_GetDriverParameter(RCL_Instance instance); +extern void RCL_CheckDriverOptions(RCL_Instance instance, const char **options); +extern char *RCL_GetDriverOption(RCL_Instance instance, char *name); +extern int RCL_AddSample(RCL_Instance instance, struct timespec *sample_time, double offset, int leap); +extern int RCL_AddPulse(RCL_Instance instance, struct timespec *pulse_time, double second); +extern int RCL_AddCookedPulse(RCL_Instance instance, struct timespec *cooked_time, + double second, double dispersion, double raw_correction); +extern double RCL_GetPrecision(RCL_Instance instance); +extern int RCL_GetDriverPoll(RCL_Instance instance); + +#endif |