Created
November 29, 2024 15:02
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NTP query
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| """ | |
| NTPLib query NTP-servers | |
| """ | |
| import ntplib | |
| import datetime | |
| def test_ntp(ip): | |
| c = ntplib.NTPClient() | |
| r=c.request(ip) | |
| d = datetime.datetime.utcfromtimestamp(r.recv_time) | |
| print('%s ofs(ms) %.3f dly(ms) %.3f stratum %d recv_time %s'%(ip, 1e3*r.offset, 1e3*r.root_delay, r.stratum, d)) | |
| test_ntp('time.mikes.fi') | |
| test_ntp('time1.mikes.fi') | |
| test_ntp('time2.mikes.fi')#test_ntp('time3.mikes.fi') | |
| test_ntp('194.100.49.147') | |
| test_ntp('ntp1.mikes.fi') | |
| test_ntp('ntp2.mikes.fi') | |
| test_ntp('ntp3.mikes.fi') | |
| test_ntp('ntp4.mikes.fi') | |
| test_ntp('ntp1.mikes.funet.fi') | |
| test_ntp('ntp2.mikes.funet.fi') | |
| test_ntp('ntp3.mikes.funet.fi') | |
| test_ntp('ntp4.mikes.funet.fi') | |
| """ | |
| Output: | |
| time.mikes.fi ofs(ms) 8.877 dly(ms) 0.214 stratum 2 recv_time 2024-11-29 14:59:18.945403 | |
| time1.mikes.fi ofs(ms) 8.828 dly(ms) 0.229 stratum 2 recv_time 2024-11-29 14:59:18.949283 | |
| time2.mikes.fi ofs(ms) 8.933 dly(ms) 0.214 stratum 2 recv_time 2024-11-29 14:59:18.953479 | |
| 194.100.49.147 ofs(ms) 9.325 dly(ms) 0.244 stratum 2 recv_time 2024-11-29 14:59:18.956861 | |
| ntp1.mikes.fi ofs(ms) 9.028 dly(ms) 0.000 stratum 1 recv_time 2024-11-29 14:59:18.960679 | |
| ntp2.mikes.fi ofs(ms) 8.881 dly(ms) 0.000 stratum 1 recv_time 2024-11-29 14:59:18.965340 | |
| ntp3.mikes.fi ofs(ms) 9.375 dly(ms) 0.000 stratum 1 recv_time 2024-11-29 14:59:18.969815 | |
| ntp4.mikes.fi ofs(ms) 9.288 dly(ms) 0.000 stratum 1 recv_time 2024-11-29 14:59:18.973725 | |
| ntp1.mikes.funet.fi ofs(ms) 9.533 dly(ms) 0.000 stratum 1 recv_time 2024-11-29 14:59:18.977633 | |
| ntp2.mikes.funet.fi ofs(ms) 9.089 dly(ms) 0.000 stratum 1 recv_time 2024-11-29 14:59:18.980698 | |
| ntp3.mikes.funet.fi ofs(ms) 9.662 dly(ms) 0.000 stratum 1 recv_time 2024-11-29 14:59:18.984259 | |
| ntp4.mikes.funet.fi ofs(ms) 9.152 dly(ms) 0.000 stratum 1 recv_time 2024-11-29 14:59:18.987779 | |
| """ | |
| """ | |
| ref_timestamp Reference Timestamp Time when the system clock was last set or corrected, in NTP timestamp format | |
| orig_timestamp originate timestamp (T1) Time at the client when the request departed for the server, in NTP timestamp format. | |
| recv_timestamp receive timestamp (T2) Time at the server when the request arrived from the client, in NTP timestamp format. | |
| tx_timestamp transmit timestamp (T3) Time at the server when the response left for the client, in NTP timestamp format. | |
| dest_timestamp Destination timestamp (T4) Time at the client when the reply arrived from the server, in NTP timestamp format. | |
| """ | |
| """ | |
| ['leap', | |
| 'version', | |
| 'mode', | |
| 'stratum', | |
| 'poll', | |
| 'precision', | |
| 'root_delay', | |
| 'root_dispersion', | |
| 'ref_id', | |
| 'ref_timestamp', | |
| 'orig_timestamp', | |
| 'recv_timestamp', | |
| 'tx_timestamp', | |
| 'dest_timestamp', | |
| '__module__', | |
| '__doc__', | |
| '__init__', | |
| 'offset', | |
| 'delay', | |
| 'tx_time', | |
| 'recv_time', | |
| 'orig_time', | |
| 'ref_time', | |
| 'dest_time',] | |
| """ |
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