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ot::Dns::Client::ResolveServiceAndHostAddress() method
Starts a DNS service instance resolution for a given service instance, with a potential follow-up host name resolution (if the server/resolver does not provide AAAA/A records for the host name in the response to SRV query). The @p aConfig can be `nullptr`. In this case the default config (from `GetDefaultConfig()`) will be used as the config for this query. In a non-`nullptr` @p aConfig, some of the fields can be left unspecified (value zero). The unspecified fields are then replaced by the values from the default config.
Syntax
Error ResolveServiceAndHostAddress(const char *aInstanceLabel,
const char *aServiceName,
ServiceCallback aCallback,
void *aContext,
const QueryConfig *aConfig = nullptr);
Return value
kErrorNone Query sent successfully. @p aCallback will be invoked to report the status. kErrorNoBufs Insufficient buffer to prepare and send query. kErrorInvalidArgs @p aInstanceLabel is `nullptr` or the @p aConfig is invalid.