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netwatch-dns: retry doh server...

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... for more resilience on bad connectivity or saturated link.
This commit is contained in:
Christian Hesse 2025-06-25 10:30:26 +02:00
parent c3010af4ed
commit d46574b4fe
1 changed files with 7 additions and 5 deletions
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12
netwatch-dns.rsc
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@ -119,11 +119,13 @@
:local Data false;
:onerror Err {
:set Data ([ /tool/fetch check-certificate=yes-without-crl output=user \
http-header-field=({ "accept: application/dns-message" }) \
url=(($DohServer->"doh-url") . "?dns=" . [ :convert to=base64 ([ :rndstr length=2 ] . \
"\01\00" . "\00\01" . "\00\00" . "\00\00" . "\00\00" . "\09doh-check\05eworm\02de\00" . \
"\00\10" . "\00\01") ]) as-value ]->"data");
:retry {
:set Data ([ /tool/fetch check-certificate=yes-without-crl output=user \
http-header-field=({ "accept: application/dns-message" }) \
url=(($DohServer->"doh-url") . "?dns=" . [ :convert to=base64 ([ :rndstr length=2 ] . \
"\01\00" . "\00\01" . "\00\00" . "\00\00" . "\00\00" . "\09doh-check\05eworm\02de\00" . \
"\00\10" . "\00\01") ]) as-value ]->"data");
} delay=1s max=3;
} do={
$LogPrint warning $ScriptName ("Request to DoH server " . ($DohServer->"doh-url") . \
" failed: " . $Err);