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feat(ntp): enhances time sync with DHCP NTP and custom servers (#625)

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* Ensure the mDNS mode is set every time network state changes

Eliminates (mostly) duplicate code

* Add custom NTP and HTTP time sync servers

Since the ordering may have been previously defaulted and saved as "ntp,http", but that was being ignored and fallback-defaults were being used, in Ordering, `ntp` means use the fallback NTP servers, and `http` means use the fallback HTTP URLs. Thus `ntp_user_provided` and `http_user_provided` are the user specified static lists.

* Add support for using DHCP-provided NTP server
This commit is contained in:
Marc Brooks
2025-07-11 01:04:19 -05:00
committed by GitHub
parent 584768bacf
commit 11a095c0f6
8 changed files with 166 additions and 42 deletions
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6
internal/timesync/http.go
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@@ -19,9 +19,9 @@ var defaultHTTPUrls = []string{
// "http://www.msftconnecttest.com/connecttest.txt",
}
func (t *TimeSync) queryAllHttpTime() (now *time.Time) {
chunkSize := 4
httpUrls := t.httpUrls
func (t *TimeSync) queryAllHttpTime(httpUrls []string) (now *time.Time) {
chunkSize := int(t.networkConfig.TimeSyncParallel.ValueOr(4))
t.l.Info().Strs("httpUrls", httpUrls).Int("chunkSize", chunkSize).Msg("querying HTTP URLs")
// shuffle the http urls to avoid always querying the same servers
rand.Shuffle(len(httpUrls), func(i, j int) { httpUrls[i], httpUrls[j] = httpUrls[j], httpUrls[i] })