Upstream: cached connections now tested against next_upstream.

Much like normal connections, cached connections are now tested against
u->conf->next_upstream, and u->state->status is now always set.

This allows to disable additional tries even with upstream keepalive
by using "proxy_next_upstream off".
1 file changed
tree: 1cc01a30a46c88abcf76c1295ec16d3ac4f59064
  1. auto/
  2. conf/
  3. contrib/
  4. docs/
  5. misc/
  6. src/
  7. .hgtags