5b4e07d658
This is useful when refclocks don't agree on time, increasing the delay will widen the interval used in the source selection algorithm.
66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/*
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chronyd/chronyc - Programs for keeping computer clocks accurate.
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**********************************************************************
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* Copyright (C) Richard P. Curnow 2009
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*
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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 version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*
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**********************************************************************
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=======================================================================
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Header file for refclocks.
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*/
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#ifndef GOT_REFCLOCK_H
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#define GOT_REFCLOCK_H
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#include "srcparams.h"
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#include "sources.h"
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typedef struct {
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char driver_name[4];
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char *driver_parameter;
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int driver_poll;
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int poll;
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int filter_length;
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unsigned long ref_id;
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double offset;
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double delay;
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} RefclockParameters;
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typedef struct RCL_Instance_Record *RCL_Instance;
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typedef struct {
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int (*init)(RCL_Instance instance);
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void (*fini)(RCL_Instance instance);
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int (*poll)(RCL_Instance instance);
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} RefclockDriver;
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extern void RCL_Initialise(void);
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extern void RCL_Finalise(void);
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extern int RCL_AddRefclock(RefclockParameters *params);
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extern void RCL_StartRefclocks(void);
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extern void RCL_StartRefclocks(void);
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extern void RCL_ReportSource(RPT_SourceReport *report, struct timeval *now);
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/* functions used by drivers */
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extern void RCL_SetDriverData(RCL_Instance instance, void *data);
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extern void *RCL_GetDriverData(RCL_Instance instance);
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extern char *RCL_GetDriverParameter(RCL_Instance instance);
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extern int RCL_AddSample(RCL_Instance instance, struct timeval *sample_time, double offset, NTP_Leap leap_status);
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#endif
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