Mercurial > hg > nginx
comparison auto/cc/gcc @ 5735:5fb1e57c758a
Entity tags: explicit flag to skip not modified filter.
Previously, last_modified_time was tested against -1 to check if the
not modified filter should be skipped. Notably, this prevented nginx
from additional If-Modified-Since (et al.) checks on proxied responses.
Such behaviour is suboptimal in some cases though, as checks are always
skipped on responses from a cache with ETag only (without Last-Modified),
resulting in If-None-Match being ignored in such cases. Additionally,
it was not possible to return 412 from the If-Unmodified-Since if last
modification time was not known for some reason.
This change introduces explicit r->disable_not_modified flag instead,
which is set by ngx_http_upstream_process_headers().
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Thu, 26 Jun 2014 02:27:11 +0400 |
parents | 80bd391c90d1 |
children | c041f1e0655f |
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5734:af229f8cf987 | 5735:5fb1e57c758a |
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