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Include maximum clock frequency error in our dispersion

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Add maxclockerror directive to set the stability of the clock (10 ppm by
default) and include it in our dispersion.
This commit is contained in:
Miroslav Lichvar
2010-12-02 14:56:01 +01:00
parent 63ef2badd6
commit cc3a8918f0
6 changed files with 61 additions and 2 deletions
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21
conf.c
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@@ -77,6 +77,7 @@ static void parse_log(const char *);
static void parse_logbanner(const char *);
static void parse_logdir(const char *);
static void parse_maxupdateskew(const char *);
static void parse_maxclockerror(const char *);
static void parse_peer(const char *);
static void parse_acquisitionport(const char *);
static void parse_port(const char *);
@@ -120,6 +121,7 @@ static char *drift_file = NULL;
static char *rtc_file = NULL;
static unsigned long command_key_id;
static double max_update_skew = 1000.0;
static double max_clock_error = 10; /* in ppm */
static int cmd_port = -1;
@@ -232,6 +234,7 @@ static const Command commands[] = {
{"dumponexit", 10, parse_dumponexit},
{"dumpdir", 7, parse_dumpdir},
{"maxupdateskew", 13, parse_maxupdateskew},
{"maxclockerror", 13, parse_maxclockerror},
{"commandkey", 10, parse_commandkey},
{"initstepslew", 12, parse_initstepslew},
{"local", 5, parse_local},
@@ -593,6 +596,16 @@ parse_maxupdateskew(const char *line)
/* ================================================== */
static void
parse_maxclockerror(const char *line)
{
if (sscanf(line, "%lf", &max_clock_error) != 1) {
LOG(LOGS_WARN, LOGF_Configure, "Could not read max clock error at line %d in file", line_number);
}
}
/* ================================================== */
static void
parse_driftfile(const char *line)
{
@@ -1407,6 +1420,14 @@ CNF_GetMaxUpdateSkew(void)
/* ================================================== */
double
CNF_GetMaxClockError(void)
{
return max_clock_error;
}
/* ================================================== */
int
CNF_GetManualEnabled(void)
{