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luci-app-chrony: Add chrony
This prefers the NTS version, and does not discern the non-NTS version, since chronyd.init startup script doesn't either. Signed-off-by: Paul Donald <[email protected]>
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‎applications/luci-app-chrony/Makefile‎

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#
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# Copyright (C) 2025 OpenWrt.org
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#
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# This is free software, licensed under Apache-2.0.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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LUCI_TITLE:=LuCI support for chrony
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LUCI_DEPENDS:=+luci-base +chrony-nts
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PKG_LICENSE:=Apache-2.0
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include ../../luci.mk
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# call BuildPackage - OpenWrt buildroot signature

‎applications/luci-app-chrony/htdocs/luci-static/resources/view/chrony.js‎

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'use strict';
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'require form';
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'require fs';
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'require uci';
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'require view';
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'require tools.widgets as widgets';
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return view.extend({
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render(data) {
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const docUrl = 'https://chrony-project.org/documentation.html';
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let m, s, o;
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m = new form.Map('chrony', _('Chrony NTP/NTS daemon'),
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'%s'.format('<a id="docUrl" href="%s" target="_blank" rel="noreferrer">%s</a>'
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.format(docUrl, _('Documentation'))));
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// Interface
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s = m.section(form.NamedSection, 'allow', 'allow', _('Allow'), _('An allow range permits access for chronyc from specific IPs to chronyd.') + '<br/>' +
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_('Delete this section to allow all local IPs.'));
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s.anonymous = true;
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s.addremove = true;
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o = s.option(widgets.NetworkSelect, 'interface', _('Interface'),
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_('Choose IP ranges from this interface to set them as allowed ranges.') + '<br/>' +
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_('Choose a wan interface to allow from all IPs.') + '<br/>' +
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_('Additional firewall configuration is required if you intend wan access.'));
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o.nocreate = true;
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o.rmempty = false;
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// NTS
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s = m.section(form.NamedSection, 'nts', 'nts', _('Network Time Security (NTS)'));
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s.anonymous = true;
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s.addremove = true;
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o = s.option(form.Flag, 'rtccheck', _('RTC Check'),
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_('Check for the presence of %s.'.format('<code>/dev/rtc0</code>'), 'Check for RTC character device') + '<br/>' +
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_('Disables certificate time checks via %s if RTC is absent.'.format('<code>nocerttimecheck</code>') ) );
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o.default = o.disabled;
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o = s.option(form.Flag, 'systemcerts', _('Use system CA bundle'));
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o.default = o.enabled;
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o = s.option(form.FileUpload, 'trustedcerts', _('Trusted certificates'));
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o.optional = true;
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o.root_directory = '/etc';
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// Stepping
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s = m.section(form.NamedSection, 'makestep', 'makestep', _('Stepping'),
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_('Corrects the system clock by stepping immediately when it is so far adrift that the slewing process would take a very long time.'));
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s.anonymous = true;
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s.addremove = true;
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s.singular = true;
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o = s.option(form.Value, 'threshold', _('Trigger Amount Threshold'),
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_('Seconds float value.'));
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o.datatype = 'float';
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o.optional = true;
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o = s.option(form.Value, 'limit', _('Limit'),
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_('First x clock updates'));
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o.datatype = 'integer';
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o.optional = true;
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// Logging
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s = m.section(form.NamedSection, 'logging', 'logging', _('Logging'));
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s.anonymous = true;
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s.addremove = true;
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o = s.option(form.Value, 'logchange', _('Log any change more than'),
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_('Seconds threshold for the adjustment of the system clock that will generate a syslog message.'));
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o.datatype = 'float';
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o.placeholder = '1';
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o.optional = true;
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// System Clock
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s = m.section(form.NamedSection, 'systemclock', 'systemclock', _('System Clock'));
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s.anonymous = true;
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s.addremove = true;
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o = s.option(form.Value, 'precision', _('Precision'),
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_('Precision of the system clock (in seconds).'));
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o.datatype = 'string';
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o.placeholder = _('8e-6 (8 microseconds)');
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o.optional = true;
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o = s.option(form.ListValue, 'leapsecmode', _('Leap second mode'),
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_('Strategy to reconcile leap seconds in UTC with solar time.'));
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o.value('', _('(default)'))
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o.value('system')
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o.value('step')
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o.value('slew')
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o.value('ignore')
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o.optional = true;
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// Smoothing
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s = m.section(form.NamedSection, 'smoothtime', 'smoothtime', _('Smoothing'),
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_('Use only when the clients are not configured to poll another NTP server also, because they could reject this server as a falseticker or fail to select a source completely.'));
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s.anonymous = true;
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s.addremove = true;
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o = s.option(form.Value, 'maxppm', _('Max PPM'),
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_('Maximum frequency offset of the smoothed time to the tracked NTP time (in ppm).'));
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o.datatype = 'uinteger';
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o.placeholder = '400';
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o.optional = false;
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o = s.option(form.Value, 'maxwander', _('Max wander'),
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_('Maximum rate at which the frequency offset is allowed to change (in ppm per second).'));
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o.datatype = 'float';
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o.placeholder = '0.01';
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o.optional = false;
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o = s.option(form.Flag, 'leaponly', _('Leap seconds only'),
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_('Only leap seconds are smoothed out; ignore normal offset and frequency changes.'));
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o.default = o.disabled;
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// Server entries
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s = m.section(form.TypedSection, 'server', _('Server'),
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_('Remote NTP servers for your chronyd'));
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s.anonymous = true;
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s.addremove = true;
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insertTypedSectionOptions(m, s, o, 'server');
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// Pool entries
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s = m.section(form.TypedSection, 'pool', _('Pool'),
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_('Specifies a pool of NTP servers rather than a single NTP server.') + '<br/>' +
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_('The pool name is expected to resolve to multiple addresses which might change over time.'));
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s.anonymous = true;
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s.addremove = true;
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insertTypedSectionOptions(m, s, o, 'pool');
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// Peer entries
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s = m.section(form.TypedSection, 'peer', _('Peer'),
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_('Specifies a symmetric association with an NTP peer.') + '<br/>' +
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_('A single symmetric association allows the peers to be both servers and clients to each other.'));
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s.anonymous = true;
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s.addremove = true;
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insertTypedSectionOptions(m, s, o, 'peer');
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// Servers assigned (to us) via DHCP
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s = m.section(form.NamedSection, 'dhcp_ntp_server', 'dhcp_ntp_server', _('DHCP(v6)'),
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_('Options for servers provided to this host via DHCP(v6) (via the WAN for example).'));
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s.anonymous = true;
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insertTypedSectionOptions(m, s, o, 'dhcp_ntp_server');
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return m.render();
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}
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});
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function insertTypedSectionOptions(m, s, o, type) {
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o = s.option(form.Flag, 'disabled', _('Disabled'));
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o.default = o.disabled; // disabled default is disabled i.e., enabled
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if (type != 'dhcp_ntp_server') {
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o = s.option(form.Value, 'hostname', _('Hostname'));
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o.optional = false;
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o.depends('disabled', '0');
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}
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if (type != 'peer') {
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o = s.option(form.Flag, 'iburst', _('iburst'));
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o.rmempty = true;
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o.default = o.disabled
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o.depends('disabled', '0');
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o = s.option(form.Flag, 'nts', _('NTS'));
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o.rmempty = true;
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o.default = o.disabled
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o.depends('disabled', '0');
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}
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o = s.option(form.Flag, 'prefer', _('Prefer'));
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o.default = o.disabled;
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o = s.option(form.Flag, 'xleave', _('Interleave'));
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o.default = o.disabled;
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o = s.option(form.RangeSliderValue, 'minpoll', _('Minimum poll'),
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_('(Log_2 i.e. y=2^x) interval between readings of the NIC clock.'));
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o.min = -7;
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o.max = 24;
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o.step = 1;
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o.default = 4;
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o.calculate = (val) => {
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return 2**Number(val);
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};
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o.calcunits = _('seconds')
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o.depends('disabled', '0');
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o = s.option(form.RangeSliderValue, 'maxpoll', _('Maximum poll'),
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_('(Log_2 i.e. y=2^x) interval between readings of the NIC clock.'));
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o.min = -7;
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o.max = 24;
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o.step = 1;
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o.default = 4;
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o.calculate = (val) => {
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return 2**Number(val);
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};
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o.calcunits = _('seconds');
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o.depends('disabled', '0');
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o = s.option(form.Value, 'mindelay', _('Minimum delay'),
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_('A fixed round-trip delay in seconds to be used instead of that of the previous measurements.') + '<br/>' +
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_('Exponential and decimal notation are allowed.'));
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o.placeholder = '1e-4'
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o.depends('disabled', '0');
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o = s.option(form.Value, 'maxdelay', _('Maximum delay'),
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_('A fixed round-trip delay in seconds to be used instead of that of the previous measurements.') + '<br/>' +
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_('Exponential and decimal notation are allowed.'));
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o.placeholder = '3';
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o.depends('disabled', '0');
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o = s.option(form.RangeSliderValue, 'minsamples', _('Minimum samples'));
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o.min = 4;
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o.max = 64;
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o.step = 1;
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o.default = 6;
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o.depends('disabled', '0');
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o = s.option(form.RangeSliderValue, 'maxsamples', _('Maximum samples'),
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_('Number of samples that chronyd should keep for each source.'));
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o.min = 4;
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o.max = 64;
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o.step = 1;
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o.default = 6;
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o.depends('disabled', '0');
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}

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