Saturday, August 04, 2007

syslog changes on 2007-08-03

here's friday's work log:

- added CODE_STD_FINALIZERparseSelectorAct to module-generation macros
- restructered rsyslogd startup - moved startWorker() to a more
appropriate
place
- updated ommysql.c to fully support suspension/resumption by rule
engine
- I found out that we finally have problems with the (somewhat
recursive)
call to logerror() that many of the modules do. I have not tried it,
but
I think things will become wild when we compile without pthread
support.
Threading prevents full recursion, so we have not seen any bad effects
so far. However, the problems that I experienced in ommysl (that
caused
me to re-structure startWorker()) are actually rooted in this issue.
I
first thought to fix it via a module interace, but I now came to the
conclusion that it is not more effort and much cleaner to do an
internal
error buffering class. This is implemented in errbuf.c/h.
- I just noticed that this is not actually an error buf, but the core of
an input module for all internal messages. As such, I implement it now
as iminternal.c/h. Of course, there is no input module interface yet
designed, but that doesn't matter. Worst-case, I need to re-write the
im, best case I can use the im (at least partly) to define the
interface.
- added a few functions to the linkedlist class
- error messages during startup are now buffered - so we do no longer
need
to think about how emergency logging might work. Actually, these are
logged
to whatever is instatiated in the log file. This enhances the chance
that
we will be able to drop the error message somewhere it is seen.
- released 1.18.0
- reduced number of identical error messages in ommysql.c while
suspended
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