tree a3c941d859621d471e6c5b9f52e7de2424c80d6f
parent 96e81ea8210418b5ecced5423ed029594dc76ff5
author Dmitry Volyntsev <xeioex@nginx.com> 1481901715 +0300
committer Dmitry Volyntsev <xeioex@nginx.com> 1481901715 +0300

Resolver: fixed handling of partially resolved SRV.

The resolver handles SRV requests in two stages.  In the first
stage it gets all SRV RRs, and in the second stage it resolves
the names from SRV RRs into addresses.

Previously, if a response to an SRV request was cached, the
queries to resolve names were not limited by a timeout.  If a
response to any of these queries was not received, the SRV
request could never complete.

If a response to an SRV request was not cached, and some of the
queries to resolve names timed out, NGX_RESOLVE_TIMEDOUT was
returned instead of successfully resolved addresses.

To fix both issues, resolving of names is now always limited by
a timeout.