Commit 0f89a2e6 authored by Daniel Stenberg's avatar Daniel Stenberg
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Steinar H. Gunderson modified c-ares to now also do to DNS retries even when 

TCP is used since there are several edge cases where it still makes sense.
parent 05b26e75

ares/CHANGES

+3 −0
Original line number Diff line number Diff line
@@ -2,6 +2,9 @@ 


* September 22 2007 (Daniel Stenberg)



- Steinar H. Gunderson modified c-ares to now also do to DNS retries even when

  TCP is used since there are several edge cases where it still makes sense.



- Brad House provided a fix for ares_save_options():



  Apparently I overlooked something with the ares_save_options() where it

ares/ares_process.c

+6 −3
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@@ -504,9 +504,12 @@ static struct query *next_server(ares_channel channel, struct query *query, time 
        }

      query->server = 0;



      /* Only one try if we're using TCP. */

      if (query->using_tcp)

        break;

      /* You might think that with TCP we only need one try. However,

       * even when using TCP, servers can time-out our connection just

       * as we're sending a request, or close our connection because

       * they die, or never send us a reply because they get wedged or

       * tickle a bug that drops our request.

       */

    }

  return end_query(channel, query, query->error_status, NULL, 0);

}