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  1. Dec 02, 2016
    • Jim Jagielski's avatar
      Merge r1738628, r1757009, r1756848, r1757029 from trunk: · a489a662
      Jim Jagielski authored 
      Display process slot number in the async overview 


Fix the number of column for 'Async connections'.
There are only 3 columns (writing, keep-alive, closing), not 4.

Try to improve the code layout for it to be more readable.
Each <th> is on its own line so keep the corresponding "colspan" <td> fields grouped together.

r1738628 introduced a new column, 'Slot'.
Add an empty cell for it in the last line of the table, in order to fix the layout of the Totals.

Replace tab by spaces to be consistent

mod_status: note stopping procs in async info table

* add new column "stopping", denoting if a process is shutting down
* add additional "(old gen)", if a process is from before a graceful reload
* add counts of processes and stopping processes to summary line


Submitted by: sf, jailletc36, jailletc36, sf
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1772333 13f79535-47bb-0310-9956-ffa450edef68
      a489a662
    • Jim Jagielski's avatar
      Merge r1597533, r1649491, r1665216, r1756553, r1756631, r1726675, r1718496,... · 92230a27
      Jim Jagielski authored 
      Merge r1597533, r1649491, r1665216, r1756553, r1756631, r1726675, r1718496, r1718476, r1747469 from trunk:

mod_cache: try to use the key of a possible open but stale cache entry
if we have one in cache_try_lock(). PR 50317

Submitted by: Ruediger Pluem


* modules/cache/mod_socache_memcache.c (socache_mc_store): Pass
  through expiration time.

Submitted by: Faidon Liambotis <paravoid debian.org>, jorton


* mod_cache: Preserve the Content-Type in case of 304 response.
304 does not contain Content-Type and mod_mime regenerates
the Content-Type based on the r->filename. This later leads to original
Content-Type to be lost (overwriten by whatever mod_mime generates).


mod_cache: Use the actual URI path and query-string for identifying the
cached entity (key), such that rewrites are taken into account when
running afterwards (CacheQuickHandler off).  PR 21935.
 


mod_cache: follow up to r1756553: log the real/actual cached URI (debug).



better s-maxage support
 
+  *) mod_cache: Consider Cache-Control: s-maxage in expiration
+     calculations.  [Eric Covener]
+
+  *) mod_cache: Allow caching of responses with an Expires header
+     in the past that also has Cache-Control: max-age or s-maxage.
+     PR55156. [Eric Covener]




remove dead code leftover from r1023387. 

Prior to this revision, there was an apr_atoi64 in this context.
Now, ap_cache_control() sets control.max_age (which is checked here) when
the maxage value was parsed OK.



duplicate debug-level AH00764 in the just-validated path.



Rename ap_casecmpstr[n]() to ap_cstr_casecmp[n](), update with APR doxygen
Submitted by: jkaluza, jorton, jkaluza, ylavic, ylavic, covener, covener, covener, wrowe
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1772331 13f79535-47bb-0310-9956-ffa450edef68
      92230a27
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  25. Oct 03, 2016
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  29. Sep 06, 2016
    • Jim Jagielski's avatar
      Merge r1758307, r1758308, r1758309, r1758311 from trunk: · 0a4ab924
      Jim Jagielski authored 
      mpm_winnt: remove 'data' AcceptFilter in favor of 'connect'

The 'data' AcceptFilter optimization instructs Windows to wait until
data is received on a connection before completing the AcceptEx
operation. Unfortunately, it seems this isn't performed atomically --
AcceptEx "partially" accepts the incoming connection during the wait for
data, leaving all other incoming connections in the accept queue. This
opens the server to a denial of service.

Since the fix for this requires a substantial rearchitecture (likely
involving multiple outstanding calls to AcceptEx), disable the 'data'
filter for now and replace it with 'connect', which uses the AcceptEx
interface but does not wait for data.

Users running prior releases of httpd on Windows should explicitly move
to a 'connect' AcceptFilter in their configurations if they are
currently using the default 'data' filter.

Many thanks to mludha, Arthur Ramsey, Paul Spangler, and many others for
their assistance in tracking down and diagnosing this issue.

PR: 59970

mpm_winnt: remove the AcceptEx data network bucket

Follow-up to the prior commit: without an incoming data buffer, the
custom network bucket code is now orphaned and we can remove it
entirely. This has the added benefit that we are no longer using the
internal OVERLAPPED.Pointer field, which is discouraged by the MSDN
docs.

mpm_winnt: remove duplication of ap_process_connection

Further follow-up to the previous commit: now that we no longer patch a
network bucket into the brigade, we can revert to calling
ap_process_connection() directly instead of duplicating its logic.

docs: rebuild
Submitted by: jchampion
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1759471 13f79535-47bb-0310-9956-ffa450edef68
      0a4ab924
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