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Add support for reference clocks

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This commit is contained in:
Miroslav Lichvar
2009-05-05 09:14:13 +02:00
parent ef3669fe1b
commit ac30bb06ef
14 changed files with 453 additions and 16 deletions
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63
refclock.h Normal file
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/*
chronyd/chronyc - Programs for keeping computer clocks accurate.
**********************************************************************
* Copyright (C) Richard P. Curnow 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
**********************************************************************
=======================================================================
Header file for refclocks.
*/
#ifndef GOT_REFCLOCK_H
#define GOT_REFCLOCK_H
#include "srcparams.h"
#include "sources.h"
typedef struct {
char driver_name[4];
int driver_parameter;
int poll;
unsigned long ref_id;
double offset;
} 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_StartRefclocks(void);
extern void RCL_ReportSource(RPT_SourceReport *report, struct timeval *now);
/* functions used by drivers */
extern void RCL_SetDriverData(RCL_Instance instance, void *data);
extern void *RCL_GetDriverData(RCL_Instance instance);
extern int RCL_GetDriverParameter(RCL_Instance instance);
extern int RCL_AddSample(RCL_Instance instance, struct timeval *sample_time, double offset, NTP_Leap leap_status);
#endif