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4 Commits

Author SHA1 Message Date
Tatsuhiro Tsujikawa 22bd9fb530 nghttpx: Set DNS cache expire date for error and ok statuses only 2016-12-11 11:49:24 +09:00
Tatsuhiro Tsujikawa c487cd888f nghttpx: Periodically remove expired DNS cache entries 2016-12-11 10:42:54 +09:00
Tatsuhiro Tsujikawa d66377d4b6 nghttpx: Add dns-cache-timeout option 
This option controls how long cached DNS entries remain valid.
 2016-12-10 21:09:51 +09:00
Tatsuhiro Tsujikawa 38b5cad4e3 nghttpx: Lookup backend host name dynamically 
We have added "dns" parameter to backend option.  If specified, name
lookup is done dynamically.  If not, name lookup is done at start up,
or configuration reloading.  nghttpx caches DNS result including error
case in 30 seconds in this commit.  Later commit makes this
configurable.

DNS resolution is done asynchronously using c-ares library.
 2016-12-10 21:09:50 +09:00