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Add test for ratio of increase in delay to stddev

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Require that the ratio of the increase in delay from the minimum one in
the stats data register to the standard deviation of the offsets in the
register is less than maxdelaydevratio or the difference between
measured offset and predicted offset is larger than the increase in
delay. In the allowed delay increase is included also skew and maximum
clock frequency error.

maxdelaydevratio is 10.0 by default.
This commit is contained in:
Miroslav Lichvar
2010-12-03 18:35:33 +01:00
parent feb8811f37
commit b977c95be4
12 changed files with 112 additions and 9 deletions
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8
client.c
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@@ -963,6 +963,11 @@ process_cmd_add_server_or_peer(CMD_Request *msg, char *line)
break;
}
if (data.params.max_delay_dev_ratio != SRC_DEFAULT_MAXDELAYDEVRATIO) {
fprintf(stderr, "Option maxdelaydevratio not supported\n");
break;
}
msg->data.ntp_source.port = htonl((unsigned long) data.port);
UTI_IPHostToNetwork(&data.ip_addr, &msg->data.ntp_source.ip_addr);
msg->data.ntp_source.minpoll = htonl(data.params.minpoll);
@@ -998,6 +1003,9 @@ process_cmd_add_server_or_peer(CMD_Request *msg, char *line)
case CPS_BadPresend:
fprintf(stderr, "Unreadable presend value\n");
break;
case CPS_BadMaxdelaydevratio:
fprintf(stderr, "Unreadable max delay dev ratio value\n");
break;
case CPS_BadMaxdelayratio:
fprintf(stderr, "Unreadable max delay ratio value\n");
break;