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The xntp3 Distribution
This directory and its subdirectories contain the Network Time Protocol
Version 3 (NTP) distribution for Unix systems. It contains source code
for the daemon, together with related auxiliary programs, documentation
and strange stuff. You are welcome to the lot, with due consideration of
the COPYRIGHT files stashed in the distributions. You are also invited
to contribute bugfixes and drivers for new and exotic radios, telephones
and sundials. This distribution is normally available by anonymous ftp
as the compressed tar archive xntp-<version>.tar.Z in the pub/ntp directory
on louie.udel.edu.
The base directory contains the distributions and related stuff. The files
marked with a "*" are not distributed, but generated. Most of
the subdirectories contain README files describing their contents. The
base directory ./ includes:
COPYRIGHT file specifying copyright conditions, together with a
list of major authors and electric addresses.
Config * configuration file built by the configuration script
"make makeconfig" and used to build the makefiles in the
various subdirectories. Do not edit.
Config.local * Unless you have a reference clock (besides the local
computer clock) or want to change the default installation
directory (/usr/local/bin) not action is needed. For
configuring a reference clock a "make refconf" should
suffice. Diehards can still use an editor on this file.
Config.local.dist file used to generate a plausible Config.local by commands
such as "make Config.local.green".
Config.sed * sed script used to build makefiles from the
configuration file. Do not edit.
Makefile this is the root of the makefile tree. Do not edit.
(Contents under pressure - qualified personel only 8-)
PORTING contains useful information for porting to unexplored
new systems.
RELNOTES instructions for compiling and installing the daemon and
supporting programs.
README this file.
TODO our current problems where we could need help.
adjtime directory containing the sources for the adjtime daemon
for HP/UX systems.
authstuff directory containing sources for miscellaneous programs
to test, calibrate and certify the cryptographic
mechanisms for DES and MD5 based authentication. These
programs do not include the cryptographic routines
themselves, so are free of U.S. export restrictions.
clockstuff directory containing sources for miscellaneous programs
to test certain auxilliary programs used with some
kernel configurations, together with a program to
calculate propagation delays for use with radio clocks
and national time dissemination services such as
WWV/WWVH, WWVB and CHU.
compilers directory containing configuration scripts for various
compilers and operating systems.
conf directory containing a motley collection of
configuration files for various systems. For example
only.
doc directory containing miscellaneous man pages and memos
useful for installation and subnet management.
gadget directory containing instructions and construction data
for a mysterious little box used as a CHU radio
demodulator and/or a level converter-pulse generator for
a precision 1-pps signal.
include directory containing include header files used by most
programs in the distribution.
hints directory containing files with hints on particular
topics like installation on specific OS variants or
general information.
kernel directory containing sources for kernel programs such as
line disciplines and STREAMS modules used with the CHU
decoder and precision 1-pps signals.
lib directory containing sources for the library programs
used by most programs in the distribution.
machines directory containing configuration scripts for various
operating systems.
ntpdate directory containing sources for a program to set the
local machine time from one or more remote machines
running NTP. Operates like rdate, but much more
accurate.
ntpq directory containing sources for a utility program to
query local and remote NTP peers for state variables and
related timekeeping information. This program conforms
to Appendix A of the NTP Version 3 Specification RFC
1305.
ntptrace directory containing sources for a utility program that
can be used to reveal the chain of NTP peers from a
designated peer to the primary server at the root of the
timekeeping subnet.
parse directory containing file belonging to the generic parse
reference clock driver. For reasonably simple clocks it
is possible to get away with about 3-4Kb of code.
additionally the SunOS 4.x streams module for parse is
residing here.
parse/util some goodies for testing parse processing of DCF77 information.
(primarily for use on Suns, although others may work
also - possibly with a little porting.)
one little gem is dcfd.c - DCF77 decoder with ntp loopfilter
code for standalone DCF77 synchronisation without the full
works of NTP.
Dcfd.c has been ported to FreeBSD for the Boeder DCF77 receiver
by Vincenzo Capuano.
ppsclock directory containing sources for modifications to the
kernel asynchronous serial driver plus a STREAMS module
to capture a precision 1-pps signal. Useful on SunOS
4.1.X systems only.
refclocks directory containing reference clock configuration support
scripts directory containing scripts to build the configuration
file "config" in this directory and then the makefiles
used in various dependent directories.
the subdirectories monitoring and support hold various
perl and shell scripts for visualising synchronisation
and daemon startup.
util directory containing sources for various utility and
testing programs.
xntpd directory containing sources for the NTP Version 3 daemon.
xntpdc directory containing sources for a utility program to
query local and remote NTP peers for state variables and
related timekeeping information. This program is
specific to this implmentation of NTP Version 3 and does
not conform to Appendix A of the NTP Version 3
Specification RFC 1305.
xntpres directory containing sources for a name-resolution
program used in some configurations of NTP Version 3.
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