Commit Graph

44 Commits

Author SHA1 Message Date
Denys Vlasenko
9b20adca4b ntpd: add anti-clock-hopping code
function                                             old     new   delta
select_and_cluster                                   837     950    +113
update_local_clock                                   759     767      +8
root_distance                                         61       -     -61

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-17 02:51:33 +01:00
Denys Vlasenko
5b9a910749 ntpd: disable frequency estimation code
function                                             old     new   delta
reset_peer_stats                                     164     168      +4
ntp_init                                             371     368      -3
recv_and_process_peer_pkt                            869     852     -17
update_local_clock                                   823     759     -64
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/3 up/down: 4/-84)             Total: -80 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-17 01:05:58 +01:00
Denys Vlasenko
65d722bb0d ntpd: explain algorithm
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-11 02:14:04 +01:00
Denys Vlasenko
12628b7797 ntpd: expose more data to the script; more eagerly drop to lower poll
function                                             old     new   delta
run_script                                           340     395     +55
recv_and_process_peer_pkt                            817     869     +52
passwd_main                                         1027    1058     +31
ntpd_main                                            845     855     +10
update_local_clock                                   853     823     -30
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 148/-30)           Total: 118 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-11 01:31:59 +01:00
Denys Vlasenko
ae47335dc4 ntpd: show at loglevel 2 and export in env current poll interval
function                                             old     new   delta
run_script                                           273     340     +67
ntpd_main                                            832     845     +13

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-07 11:51:13 +01:00
Denys Vlasenko
6959f6bc23 hwclock: disable time diff code; ntpd -S script: do not wait for completion
function                                             old     new   delta
rtcname                                                4       -      -4
run_script                                           278     273      -5
hwclock_main                                         466     439     -27
read_rtc                                              86      38     -48
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 0/3 up/down: 0/-84)             Total: -84 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-07 08:31:46 +01:00
Denys Vlasenko
06667f21d6 ntpd: renew cur_time after script run, it can take a while
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-06 13:05:08 +01:00
Denys Vlasenko
ede737b7cf ntpd: add -S PROG option. This feature is crucial for CMOS/RTC syncronization
function                                             old     new   delta
run_script                                           112     278    +166
ntpd_main                                            779     825     +46
update_local_clock                                   824     858     +34
packed_usage                                       26518   26540     +22
ntp_init                                             366     371      +5
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/0 up/down: 273/0)             Total: 273 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-06 12:27:47 +01:00
Denys Vlasenko
074e8dcba7 ntpd: make -w less cumbersome to use
function                                             old     new   delta
packed_usage                                       26767   26779     +12
recv_and_process_peer_pkt                            808     817      +9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-04 23:58:13 +01:00
Denys Vlasenko
4168fdd8e6 ntpd: add -w "watch" option, useful for debugging to look at our own data
Also fixed a small buglet discovered using -w

function                                             old     new   delta
recv_and_process_peer_pkt                            895     944     +49
select_and_cluster                                  1132    1150     +18
packed_usage                                       26769   26767      -2

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-04 00:19:13 +01:00
Denys Vlasenko
2d3253d1f9 ntpd: fix comment, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-03 21:52:46 +01:00
Denys Vlasenko
d498ff0ac4 ntpd: try to avoid using libm. -1.2k if we succeed
uclibc's sqrt(x) is pathetic, 411 bytes? it can be ~100...

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-03 21:06:27 +01:00
Denys Vlasenko
510f56aa6f ntpd: remove an old hack for faster initialization
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-03 12:00:26 +01:00
Denys Vlasenko
0b002812a8 ntpd: better selection of initial sync; fewer gettimeofday calls
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-03 08:59:59 +01:00
Denys Vlasenko
1ee5afdce2 ntpd: fix jitter calculations and status propagation
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-02 15:57:07 +01:00
Denys Vlasenko
2e36eb8f27 ntpd: speed up reaction to poll interval decrease
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-02 01:50:16 +01:00
Denys Vlasenko
d9109e3b48 ntpd: improve frequency filtering
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-02 00:36:43 +01:00
Denys Vlasenko
a9aaeda0e9 ntpd: restore forgotten delay sanitization
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-01 22:23:27 +01:00
Denys Vlasenko
e4844b8a5f ntpd: add a comment, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-01 21:59:49 +01:00
Denys Vlasenko
61313117a0 ntpd: disable unused code; show kernel's clock drift correction
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-01 19:56:16 +01:00
Denys Vlasenko
bfc2a32d88 ntpd: reduce poll interval increase rate
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-01 18:12:06 +01:00
Denys Vlasenko
dd6673bac5 ntpd: replace openntp's clock discipline with ntpd's
It seems to be much more precise. +2.2k:
   text    data     bss     dec     hex filename
   4670       0       0    4670    123e busybox.t2/networking/ntpd.o
   6838       0       0    6838    1ab6 busybox.t3/networking/ntpd.o

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-01 16:46:17 +01:00
Denys Vlasenko
8a428d9b15 ntpd: ntpd.c -> ntpd_simple.c
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2010-01-01 16:45:43 +01:00
Denys Vlasenko
d2fe69f9dc ntpd: preparatory patches, no functional changes
function                                             old     new   delta
ntp_init                                             354     357      +3
ntpd_main                                           2945    2898     -47

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-30 18:38:05 +01:00
Denys Vlasenko
6879a7ae43 ntpd: fx incorrect offset display when stepping
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-18 18:50:29 +01:00
Denys Vlasenko
afa2d33aa4 ntpd: field renames and style fixes, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-17 23:29:33 +01:00
Denys Vlasenko
e99c8d2ef5 ntpd: eliminate one time(NULL) call
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-17 12:17:41 +01:00
Denys Vlasenko
6a110c969f ntpd: remove dynamic dns resolution code, too complex. -69 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-03 00:20:58 +01:00
Denys Vlasenko
7cb1d6ccf3 ntpd: try to avoid DNS requests *during* NTP roundtrip. +23 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-02 23:46:25 +01:00
Denys Vlasenko
907647fb15 ntpd: implement -x. shrink code a bit. -69 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-02 23:17:45 +01:00
Denys Vlasenko
4bd5189370 ntpd: fix malloc-too-short bug; code shrink -76 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-02 13:43:06 +01:00
Denys Vlasenko
ebde6f10fb ntpd: fix "synced" state detection
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-02 12:29:06 +01:00
Denys Vlasenko
f91e63cbc3 ntpd: continuing small message tweaks and the like. -29 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-02 02:30:31 +01:00
Denys Vlasenko
386960a38e htpd: better logging; removed some unused code and data. -212 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-02 01:51:24 +01:00
Denys Vlasenko
fae9f499b2 ntpd: make it work w/o -g too :(
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-12-01 02:32:01 +01:00
Denys Vlasenko
160b9ca731 ntpd: make it NOMMU-safe; ash: exclude it on NOMMU builds
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-27 02:35:15 +01:00
Denys Vlasenko
650a7011a8 ntpd: trivial -2 byte code optimization
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-26 07:11:12 +01:00
Denys Vlasenko
b2e5fc35eb ntpd: and real handling for -N, show usage w/o options; trim text
function                                             old     new   delta
ntp_init                                             317     348     +31
bb_msg_you_must_be_root                                -      17     +17
xsocket                                               66      76     +10
changepath                                           195     194      -1
bb_msg_perm_denied_are_you_root                       35      34      -1
send_tree                                            355     353      -2
count_lines                                           74      72      -2
must_be_root                                          17       -     -17
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 2/4 up/down: 58/-23)             Total: 35 bytes
   text   data    bss    dec    hexfilename
 832873    441   7548 840862  cd49ebusybox_old
 832839    441   7548 840828  cd47cbusybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-25 14:52:47 +01:00
Denys Vlasenko
b1278a38bc ntpd: locally bind every peer socket. +22 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-24 16:03:47 +01:00
Denys Vlasenko
9cc60d7e6b ntpd: fix vda's breakage
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-24 14:43:20 +01:00
Denys Vlasenko
363e89b1ee ntpd: use MSG_DONTWAIT; better readability
function                                             old     new   delta
gettime_fp                                             -      39     +39
ntpd_main                                           3214    3199     -15
gettime                                               47       -     -47
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 0/1 up/down: 39/-62)            Total: -23 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-24 14:04:15 +01:00
Denys Vlasenko
ca6c7e42f9 ntp: simplifications; libbb: simpler resolution of numeric hostnames
function                                             old     new   delta
str2sockaddr                                         405     567    +162
ntp_init                                             310     317      +7
scale_interval                                        58      59      +1
error_interval                                        22      23      +1
ntpd_main                                           3257    3214     -43
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/1 up/down: 171/-43)           Total: 128 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-24 07:07:42 +01:00
Denys Vlasenko
8d580c72f4 ntpd: add -q option. By Adam Tkac.
function                                             old     new   delta
settime                                              347     375     +28
packed_usage                                       26681   26693     +12
ntpd_main                                           3282    3251     -31
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 2/1 up/down: 40/-31)              Total: 9 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-23 16:27:16 +01:00
Adam Tkac
b1585064fd ntpd: new applet by Adam Tkac. +5k.
Signed-off-by: Adam Tkac <vonsch@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2009-11-22 03:43:55 +01:00