[jira] [Updated] (TS-4578) Skip HostDB lookup for all address literals

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-4578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom updated TS-4578:
------------------------------
    Fix Version/s: sometime

> Skip HostDB lookup for all address literals
> -------------------------------------------
>
>                 Key: TS-4578
>                 URL: https://issues.apache.org/jira/browse/TS-4578
>             Project: Traffic Server
>          Issue Type: Improvement
>          Components: Core, DNS
>            Reporter: James Peach
>             Fix For: sometime
>
>
> In {{HttpSM.cc}}:
> {code}
>     if ((strncmp(t_state.dns_info.lookup_name, "127.0.0.1", 9) == 0 || strncmp(t_state.dns_info.lookup_name, "::1", 3) == 0) &&
>         ats_ip_pton(t_state.dns_info.lookup_name, t_state.host_db_info.ip()) == 0) {
>       // If it's 127.0.0.1 or ::1 don't bother with hostdb
>       DebugSM("dns", "[HttpTransact::HandleRequest] Skipping DNS lookup for %s because it's loopback",
>               t_state.dns_info.lookup_name);
>       t_state.dns_info.lookup_success = true;
>       call_transact_and_set_next_state(NULL);
>       break;
> {code}
> There's no reason to restrict address literals to loopback. It seems like we should be able to do this for all address literals.



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