[Kolab-devel] More guam fixes in 0.9.7 (with eimap 0.4.2)

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Hi,

Last week I spent some time brushing up my erlang and doing some guam=20
development.

There is now a test-suite that should cover all the patches that have=20
accumulated over the past years and have been integrated into 0.9.6

I then also looked into some issues with clients that pipeline commands=20
(that means they just send multiple commands at once without waiting for=20
a reply from the server, which can be valid depending on the commands).

This lead to the following changes lined up for guam 0.9.7 and eimap=20
0.4.2:
* Commands coming from the client are now processed line by line, so=20
pipelined commands that end up in the same network packet are processed=20
correctly.
* The same would have to happen with replies coming from the server,=20
which lead to a patch for eimap (lined up for 0.4.2), that doesn't quite=20
do that correctly, but fixes the one bug that I found related to this=20
(the getmetadata processing necessary for filtering of groupware=20
folders).

This also allowed me to remove some odd workarounds that we started to=20
accumulate in various places, while hopefully not re-introducing any=20
failures (since the relevant scenarios are covered by tests now).

Another significant change is that I have enabled two debug messages=20
logging all traffic (after terminating ssl and decompressing) from=20
client and server, which means the "debug" level which is not enabled by=20
default will be a *lot* noisier, but also finally useful for collecting=20
the necessary info that we require for reproducing issues. I think this=20
could be further enhanced with a logging feature called tracing,=20
allowing to collect output from only certain messages in a separate=20
file.

Guam 0.9.7 should already be in winterfell, for eimap 0.4.2 you can find=20
packages here:
http://obs.kolabsys.com/repositories/home:/mollekopf:/branches:/Kolab:/Wi=
nterfell/

Let me know if you run into new or further issues.

Cheers,
Christian
--=20
Christian Mollekopf
Senior Software Engineer

Kolab Systems AG
Z=C3=BCrich, Switzerland

e: [email protected]
w: https://kolabsystems.com

pgp: EA657400 Christian Mollekopf
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