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author | Simo Sorce <ssorce@redhat.com> | 2010-05-14 15:49:29 -0400 |
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committer | Andreas Schneider <asn@samba.org> | 2010-09-15 12:53:40 +0200 |
commit | 25a2d94974c7befd13f90e52b61e297c31ae52e9 (patch) | |
tree | 8f3d136d20a85b5da954295e75e03e91dde71a03 /source3/printing/printer_list.c | |
parent | 7022554915a0dc7522151eb2a9a21317372471b9 (diff) | |
download | samba-25a2d94974c7befd13f90e52b61e297c31ae52e9.tar.gz samba-25a2d94974c7befd13f90e52b61e297c31ae52e9.tar.bz2 samba-25a2d94974c7befd13f90e52b61e297c31ae52e9.zip |
s3-printing: Add method to skip refresh if just happned.
This way if multiple process try to refresh at the same time we don't do it
over and over again.
Signed-off-by: Andreas Schneider <asn@cynapses.org>
Diffstat (limited to 'source3/printing/printer_list.c')
-rw-r--r-- | source3/printing/printer_list.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/source3/printing/printer_list.c b/source3/printing/printer_list.c index 123749cf46..6392755cf5 100644 --- a/source3/printing/printer_list.c +++ b/source3/printing/printer_list.c @@ -215,6 +215,32 @@ done: return status; } +bool printer_list_need_refresh(void) +{ + NTSTATUS status; + time_t now = time(NULL); + time_t last_refresh; + + status = printer_list_get_last_refresh(&last_refresh); + if (!NT_STATUS_IS_OK(status)) { + return true; + } + + if (now > last_refresh) { + /* if refresh occurred last than 1 seconds ago, + * then we probably don't need to refresh */ + if ((now - last_refresh) < 1) { + return false; + } + } else { + /* last_refresh newer than now, wow, someone just updated the + * cache under our nose, do not do again. */ + return false; + } + + return true; +} + NTSTATUS printer_list_mark_reload(void) { struct db_context *db; |