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109 commits

Author SHA1 Message Date
Miroslav Lichvar
cb74f3e7ad Update copyright years 2014-06-05 18:06:56 +02:00
Miroslav Lichvar
a646cf7923 logging: convert rate limited messages to debug messages 2014-06-04 12:26:27 +02:00
Miroslav Lichvar
3f3ebd3b3b ntp: update comment in get_transmit_delay() 2014-06-03 18:10:27 +02:00
Miroslav Lichvar
3ebebac695 ntp: reset NCR instance thoroughly when switching to offline 2014-06-02 16:46:53 +02:00
Miroslav Lichvar
779e40ed66 ntp: delay initial transmission until first resolving ends 
This will be needed to prevent loading of dump files after sources have
already accumulated samples and possibly reference was already updated
when async resolving of sources is implemented.
 2014-04-29 12:42:45 +02:00
Miroslav Lichvar
08faca03b7 ntp: close client socket when offline 2014-04-10 18:02:29 +02:00
Miroslav Lichvar
3217421797 ntp: close only client socket when destroying NCR instance 2014-04-10 17:50:24 +02:00
Miroslav Lichvar
8671002bd7 sources: add flag that source is active 
When source is set as active, it's receiving reachability updates (e.g.
offline NTP sources are not active).

Also add function to count active sources.
 2014-04-10 17:48:58 +02:00
Miroslav Lichvar
bc6b40568d ntp: reduce burst timeout to 2.0 
With the new special mode ending it can be now equal to the burst
polling interval.
 2014-04-10 17:16:30 +02:00
Miroslav Lichvar
60d8586b6d ntp: reduce burst timeout to 2.5 seconds 
This reduces the maximum time initstepslew can take.
 2014-04-09 09:59:58 +02:00
Miroslav Lichvar
70928dba52 ntp: set maximum number of iburst samples to size of reach register 
Explicitly set the number of iburst samples to the size of the register
to make sure there are at least 7 reachability updates and the
initstepslew mode can be ended.
 2014-04-09 09:59:57 +02:00
Miroslav Lichvar
0094128ca6 sources: split source selection from sample accumulation 
This will allow postponing source selection and reference update, which
could be useful in burst modes.
 2014-04-08 17:00:47 +02:00
Miroslav Lichvar
73e4986866 ntp: fix comment on NCR_ProcessUnknown 2014-03-26 11:24:25 +01:00
Miroslav Lichvar
91e74c704b ntp: accept packets from unknown sources only from server sockets 2014-03-26 11:18:18 +01:00
Miroslav Lichvar
cf12d72f21 ntp: use separate connected sockets for each server 
If acquisitionport is set to 0 (default), create and connect a new
socket for each server instead of using one socket per address family
for all servers.
 2014-03-25 15:27:18 +01:00
Miroslav Lichvar
f2c4ab09a8 ntp: check if packet was received by right socket 2014-03-25 15:24:38 +01:00
Miroslav Lichvar
9a657cd4a3 ntp: store socket in NTP instance 
This is preparation for separate client sockets.
 2014-03-25 15:22:59 +01:00
Miroslav Lichvar
308de81221 ntp: split local_ip_addr from NTP_Remote_Address struct 2014-03-25 11:34:35 +01:00
Miroslav Lichvar
7aa4bbf621 ntp: set minpoll from received KoD RATE at most to 10 
Limit changing minpoll to a reasonable maximum in case the server is
broken or temporarily misconfigured.
 2014-03-21 15:32:14 +01:00
Miroslav Lichvar
5afddad0d2 ntp: print warning when source is added with unknown key 2014-03-21 14:36:51 +01:00
Miroslav Lichvar
0380cf0c76 ntp: reset negative minpoll or maxpoll to default values 2014-03-21 13:25:14 +01:00
Miroslav Lichvar
8d02e5f680 ntp: make use of NCR_ProcessUnknown in NCR_ProcessKnown 
After recent changes the code in NCR_ProcessKnown is now identical and
can be replaced with NCR_ProcessUnknown call.
 2014-03-21 13:20:34 +01:00
Miroslav Lichvar
f9e2213afd ntp: don't store tx time stamp when replying to known source 2014-03-21 13:20:31 +01:00
Miroslav Lichvar
8b362ba3e7 ntp: don't reply to known source if missing key or invalid auth 
This is now similar to replying to unknown sources.
 2014-03-21 13:20:29 +01:00
Miroslav Lichvar
a26058d425 ntp: don't send requests with unknown key 
There is no point in sending a request if the configured key is missing.
A reply would be ignored anyway.
 2014-03-21 13:20:27 +01:00
Miroslav Lichvar
c14b81f3a9 ntp: remove unnecessary KEY_KeyKnown calls 2014-03-21 13:20:25 +01:00
Miroslav Lichvar
54211f0f6e Update comment on setting poll in reply packet 2014-01-17 18:10:32 +01:00
Miroslav Lichvar
4b5f465026 Don't allow maxpoll to be set shorter than minpoll 2014-01-17 17:37:07 +01:00
Miroslav Lichvar
8df1bedb1b Remove forgotten macros 2013-11-27 16:11:19 +01:00
Miroslav Lichvar
1c3aff37de Convert TRACEON LOG messages to DEBUG_LOG 2013-11-27 14:35:41 +01:00
Miroslav Lichvar
0731cd6950 Fix log messages 2013-11-26 18:41:51 +01:00
Miroslav Lichvar
922e2fe23b Fix Clang static analyzer warnings about never read values 2013-10-07 17:50:27 +02:00
Miroslav Lichvar
d5b737cce8 Update copyright years 2013-06-19 12:50:26 +02:00
Miroslav Lichvar
9666831818 Use UTI_DiffTimevalsToDouble to calculate theta 2013-06-12 15:30:28 +02:00
Miroslav Lichvar
ff8e04f9ba Fix fabs use on delay 2013-06-12 15:30:28 +02:00
Miroslav Lichvar
8aa9eb19c8 Remove unnecessary adjtimex calls 2013-06-06 19:38:36 +02:00
Miroslav Lichvar
2ceb3c89ca Move NTP_int32 conversion functions to util.c 2013-06-05 12:49:47 +02:00
Miroslav Lichvar
32bf32e7d5 Don't use uninitialized value in receive_packet() 2013-06-05 09:56:37 +02:00
Miroslav Lichvar
cce7a5f15e Improve peer polling in symmetric mode 
If the remote stratum is higher than ours, try to lock on the peer's
polling to minimize our response time by slightly extending our delay or
waiting for the peer to catch up with us as the random part in the
actual interval is reduced. If the remote stratum is equal to ours, try
to interleave evenly with the peer.
 2013-06-05 09:32:20 +02:00
Miroslav Lichvar
288043c13b Save remote poll only with valid packets 2013-06-04 15:43:59 +02:00
Miroslav Lichvar
78ae4ebfaa Fix peer polling with shorter remote poll 
If the remote peer uses a polling interval shorter than the local
minimum, the local peer will be unable to send any packets as the
timeout will be updated on every received valid packet and will never
expire.

Modify the delay calculation to aim at poll interval away since the last
transmit.

Also, share the delay calculation code with transmit_timeout().
 2013-06-04 12:52:49 +02:00
Miroslav Lichvar
cf700a0084 Requeue transmit timeout only with valid packets 2013-06-04 12:45:47 +02:00
Miroslav Lichvar
60a25f6e71 Ignore packets from offline sources 
Rework the logic in transmit_timeout() to change the online status on
the following timeout to allow ignoring packets from offline sources.
 2013-06-03 18:57:55 +02:00
Miroslav Lichvar
030e3b2dab Make receive_packet() more readable 2013-06-03 16:03:07 +02:00
Miroslav Lichvar
5079f6bbff In burst count only accumulated samples as good 2013-06-03 16:03:07 +02:00
Miroslav Lichvar
afceb9d24e Slew only non-zero local timestamps in ntp core 2013-06-03 16:03:07 +02:00
Miroslav Lichvar
a2656a20bc Fix poll timeout with symmetric peer and poll 0 2013-06-03 16:03:05 +02:00
Miroslav Lichvar
359d444343 Remove unncessary return statements 2013-05-21 15:08:34 +02:00
Miroslav Lichvar
ebae435398 Log online/offline status change for burst sources too. 2013-05-15 11:03:18 +02:00
Miroslav Lichvar
73d4eaafbb Reply to NTPv1 and NTPv2 packets with same version 2013-05-02 11:10:48 +02:00