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20 authors
  1. Sep 09, 2008
  3. Sep 08, 2008
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  9. Sep 05, 2008
  11. Sep 04, 2008
    • Steve Murphy's avatar
      Merged revisions 141094 via svnmerge from · ec25f4be
      Steve Murphy authored 
      https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r141094 | murf | 2008-09-04 17:15:07 -0600 (Thu, 04 Sep 2008) | 70 lines

(closes issue #13357)
Reported by: pj
Tested by: murf

(closes issue #13416)
Reported by: yarns
Tested by: murf

If you find this message overly verbose, relax, it's probably
not meant for you. This message is meant for probably only
two people in the whole world: me, or the poor schnook that
has to maintain this code because I'm either dead or unavailable
at the moment.

This fix solves two reports, both having to do with embedding
a function call in a ${} construct. It was tricky because the
funccall syntax has parenthesis () in it. And up till now,
the 'word' token in the flex stuff didn't allow that, because
it would tend to steal the LP and RP tokens. To be truthful,
the "word" token was the trickiest, most unstable thing in
the whole lexer. I was lucky it made this long without complaints.
I had to choose every character in the pattern with extreme
care, and I knew that someday I'd have to revisit it. Well,
the day has come.

So, my brilliant idea (and I'm being modest), was to use the 
surrounding ${} construct to make a state machine and capture 
everything in it, no matter what it contains. But, I have to now
treat the word token like I did with comments, in that I turn
the whole thing into a state-machine sort of spec, with new
contexts "curlystate", "wordstate", and "brackstate".

Wait a minute, "brackstate"? Yes, well, it didn't take very many
regression tests to point out if I do this for ${} constructs,
I also have to do it with the $[] constructs, too.

I had to create a separate pcbstack2 and pcbstack3 because
these constructs can occur inside macro argument lists, and
when we have two state machines operating on the same structures
we'd get problems otherwise. I guess I could have stopped at
pcbstack2 and had the brackstate stuff share it, but it doesn't
hurt to be safe. So, the pcbpush and pcbpop routines also now
have versions for "2" and "3".

I had to add the {KEYWORD} construct to the initial pattern for
"word", because previously word would match stuff like "default7",
because it was a longer match than the keyword "default". But,
not any more, because the word pattern only matches only one or
two characters now, and it will always lose. So, I made it the
winner again by making an optional match on any of the keywords
before it's normal pattern.

I added another regression test to make sure we don't
lose this in future edits, and had to fix just one regression,
where it no longer reports a 'cascaded' error, which I guess
is a plus.

I've given some thought as to whether to apply these fixes to
1.4 and the 1.6.x releases, vs trunk; I decided to put it in
1.4 because one of the bug reports was against 1.4; and it
is unexpected that AEL cannot handle this situation. It actually
reduced the amount of useless "cascade" error messages that
appeared in the regressions (by one line, ehhem). There is
a possible side-effect in that it does now do more careful
checking of what's in those ${} constructs, as far as matching
parens, and brackets are concerned. Some users may find a an
insidious problem and correct it this way. This should be 
exceedingly rare, I hope.


........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@141115 65c4cc65-6c06-0410-ace0-fbb531ad65f3
      ec25f4be
    • Jeff Peeler's avatar
      Merged revisions 141028 via svnmerge from · f7efe4a1
      Jeff Peeler authored 
      https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r141028 | jpeeler | 2008-09-04 12:00:29 -0500 (Thu, 04 Sep 2008) | 7 lines

(closes issue #11979)
Fixes multiple parking problems:
Crash when executing a park on an extension dialed by AGI due to not returning the proper return code.
Crash when using a builtin feature that was a subset of a enabled dynamic feature.
Crash due to always hanging up the peer despite the fact that the peer was supposed to be parked.


........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@141039 65c4cc65-6c06-0410-ace0-fbb531ad65f3
      f7efe4a1
  13. Sep 03, 2008
  15. Sep 02, 2008
  17. Aug 29, 2008
    • Jeff Peeler's avatar
      Added the option s to the Park application which will silence the announcement... · 8fc9d6d6
      Jeff Peeler authored 
      Added the option s to the Park application which will silence the announcement of the parking space number. Also, fixes the bug of just clearing the flags instead of actually parsing the arguments to Park.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@140491 65c4cc65-6c06-0410-ace0-fbb531ad65f3
      8fc9d6d6
    • Mark Michelson's avatar
      Merged revisions 140488 via svnmerge from · 5dfefa5e
      Mark Michelson authored 
      https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r140488 | mmichelson | 2008-08-29 12:34:17 -0500 (Fri, 29 Aug 2008) | 22 lines

After working on the ao2_containers branch, I noticed
something a bit strange. In all cases where we provide
a callback function to ao2_container_alloc, the callback
function would only return 0 or CMP_MATCH. After inspecting
the ao2_callback() code carefully, I found that if you're
only looking for one specific item, then you should return
CMP_MATCH | CMP_STOP. Otherwise, astobj2 will continue
traversing the current bucket until the end searching for
more matches.

In cases like chan_iax2 where in 1.4, all the peers are
shoved into a single bucket, this makes for potentially
terrible performance since the entire bucket will be
traversed even if the peer is one of the first ones come
across in the bucket.

All the changes I have made were for cases where the 
callback function defined was passed to ao2_container_alloc
so that calls to ao2_find could find a unique instance
of whatever object was being stored in the container.


........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@140489 65c4cc65-6c06-0410-ace0-fbb531ad65f3
      5dfefa5e