mirror of
https://gitlab.com/chrony/chrony.git
synced 2025-12-03 16:45:07 -05:00
9b183fe98f
Add maxunreach option to NTP sources and refclocks to specify the maximum number of polls that the source can stay selected for synchronization when it is unreachable (i.e. no valid sample was received in the last 8 polls). It is an additional requirement to having at least one sample more recent than the oldest sample of reachable sources. The default value is 100000. Setting the option to 0 disables selection of unreachable sources, which matches RFC 5905.
96 lines
2.6 KiB
C
96 lines
2.6 KiB
C
/*
|
|
chronyd/chronyc - Programs for keeping computer clocks accurate.
|
|
|
|
**********************************************************************
|
|
* Copyright (C) Richard P. Curnow 1997-2002
|
|
*
|
|
* 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 defining parameters that can be set on a per source basis
|
|
*/
|
|
|
|
#ifndef GOT_SRCPARAMS_H
|
|
#define GOT_SRCPARAMS_H
|
|
|
|
#include "sources.h"
|
|
|
|
typedef enum {
|
|
SRC_OFFLINE,
|
|
SRC_ONLINE,
|
|
SRC_MAYBE_ONLINE,
|
|
} SRC_Connectivity;
|
|
|
|
typedef struct {
|
|
int minpoll;
|
|
int maxpoll;
|
|
SRC_Connectivity connectivity;
|
|
int auto_offline;
|
|
int presend_minpoll;
|
|
int burst;
|
|
int iburst;
|
|
int min_stratum;
|
|
int poll_target;
|
|
int version;
|
|
int max_sources;
|
|
int min_samples;
|
|
int max_samples;
|
|
int max_unreach;
|
|
int filter_length;
|
|
int interleaved;
|
|
int sel_options;
|
|
int nts;
|
|
int nts_port;
|
|
int copy;
|
|
int ext_fields;
|
|
uint32_t authkey;
|
|
uint32_t cert_set;
|
|
double max_delay;
|
|
double max_delay_ratio;
|
|
double max_delay_dev_ratio;
|
|
double max_delay_quant;
|
|
double min_delay;
|
|
double asymmetry;
|
|
double offset;
|
|
} SourceParameters;
|
|
|
|
#define SRC_DEFAULT_PORT 123
|
|
#define SRC_DEFAULT_MINPOLL 6
|
|
#define SRC_DEFAULT_MAXPOLL 10
|
|
#define SRC_DEFAULT_PRESEND_MINPOLL 100
|
|
#define SRC_DEFAULT_MAXDELAY 3.0
|
|
#define SRC_DEFAULT_MAXDELAYRATIO 0.0
|
|
#define SRC_DEFAULT_MAXDELAYDEVRATIO 10.0
|
|
#define SRC_DEFAULT_MINSTRATUM 0
|
|
#define SRC_DEFAULT_POLLTARGET 8
|
|
#define SRC_DEFAULT_MAXSOURCES 4
|
|
#define SRC_DEFAULT_MINSAMPLES (-1)
|
|
#define SRC_DEFAULT_MAXSAMPLES (-1)
|
|
#define SRC_DEFAULT_MAXUNREACH 100000
|
|
#define SRC_DEFAULT_ASYMMETRY 1.0
|
|
#define SRC_DEFAULT_NTSPORT 4460
|
|
#define SRC_DEFAULT_CERTSET 0
|
|
#define INACTIVE_AUTHKEY 0
|
|
|
|
/* Flags for source selection */
|
|
#define SRC_SELECT_NOSELECT 0x1
|
|
#define SRC_SELECT_PREFER 0x2
|
|
#define SRC_SELECT_TRUST 0x4
|
|
#define SRC_SELECT_REQUIRE 0x8
|
|
|
|
#endif /* GOT_SRCPARAMS_H */
|