Mercurial > hg > nginx
comparison src/http/ngx_http_request.h @ 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 | 777202558122 |
children | 8dfee01ff0bd |
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5734:af229f8cf987 | 5735:5fb1e57c758a |
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526 unsigned main_filter_need_in_memory:1; | 526 unsigned main_filter_need_in_memory:1; |
527 unsigned filter_need_in_memory:1; | 527 unsigned filter_need_in_memory:1; |
528 unsigned filter_need_temporary:1; | 528 unsigned filter_need_temporary:1; |
529 unsigned allow_ranges:1; | 529 unsigned allow_ranges:1; |
530 unsigned single_range:1; | 530 unsigned single_range:1; |
531 unsigned disable_not_modified:1; | |
531 | 532 |
532 #if (NGX_STAT_STUB) | 533 #if (NGX_STAT_STUB) |
533 unsigned stat_reading:1; | 534 unsigned stat_reading:1; |
534 unsigned stat_writing:1; | 535 unsigned stat_writing:1; |
535 #endif | 536 #endif |