spacewander commented on a change in pull request #3686:
URL: https://github.com/apache/apisix/pull/3686#discussion_r584029064
##########
File path: apisix/core/dns/client.lua
##########
@@ -29,6 +31,67 @@ local _M = {
}
+local function gcd(a, b)
+ if b == 0 then
+ return a
+ end
+
+ return gcd(b, a % b)
+end
+
+
+local function resolve_srv(client, answers)
+ if #answers == 0 then
+ return nil, "empty SRV record"
+ end
+
+ local resolved_answers = {}
+ local answer_to_count = {}
+ for _, answer in ipairs(answers) do
+ if answer.type ~= client.TYPE_SRV then
+ return nil, "mess SRV with other record"
+ end
+
+ local resolved, err = client.resolve(answer.target)
+ if not resolved then
+ local msg = "failed to resolve SRV record " .. answer.target .. ":
" .. err
+ return nil, msg
+ end
+
+ log.info("dns resolve SRV ", answer.target, ", result: ",
+ json.delay_encode(resolved))
+
+ local weight = answer.weight
Review comment:
Added:
https://github.com/apache/apisix/pull/3686/files#diff-eeebb3321eff56ec1f7b883a6a08b29bbc6359cdd06407eca329772b9a619676R122
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