bugdavfs2 - Bugs: bug #60047, file_refresh==0 and dir_refresh==0...


bug #60047: file_refresh==0 and dir_refresh==0 do not do not work as expected

Submitter:  None
Submitted:  Fri 12 Feb 2021 03:36:44 PM UTC
Category:  None Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Open/Closed:  Open
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Fri 12 Feb 2021 03:36:44 PM UTC, original submission:  

Setting dir_refresh or file_refresh to 0 does not ensure that a new GET/PROPFIND request is sent every time the file or
directory is opened. Instead the effective refresh interval is on average 0.5 seconds, because the refresh/retry is only
performed if the current time is greater than the refresh/retry deadline (not greater or equal) and the clock resolution
is 1 second.

In cache.c most time comparisons use the following logic:
    if (time(NULL) > deadline) {
         // do
    if (time(NULL) <= deadline) {
        // skip
so actions are only carried out once the time is one second past the deadline.

The attached patch only changes the comparisons in dav_statfs, update_directory and update_cache_file affected by the
dir_refresh and file_refresh variable but leaves over comparisons with the same pattern unchanged.

Note if the server does not support etags, the If-Modified-Since conditional GET request still only has 1 second



(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:

Attached Files
file #50858:  file_refresh_0_not_working.patch added by None (2KiB - text/x-patch)


Depends on the following items: None found

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Follows 1 latest change.

Date Changed by Updated Field Previous Value => Replaced by
2021-02-12 None Attached File- Added file_refresh_0_not_working.patch, #50858

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