Hi Bart,
Thanks for the reply. First of all, I didn't claimed that stash_cache
works in 5.6, I have no 5.6 at all...
I know that injectHandler works after your patch (as you stated that you
saw : injectHandler: injecting handler cache_handler into
nsModuleTable), but what does not work is the stash_cache itself. I
mean: stash cache has no effect and it is not being called at all. Only
after my 2 other patches I saw that it begun to work. To check if
stash_cache is being invoked or not is very simple: only add
-Dhelper:stash_cache to cmd line. If during nsModuleTable SNMP walk, you
see a lot of stash_cache log lines, it means that it is doing its work.
If you don't see anything relating stash_cache, it means that is has no
effect ...
Ivo
________________________________
From: [email protected] [mailto:[email protected]] On
Behalf Of Bart Van Assche
Sent: Tuesday, July 26, 2011 2:41 PM
To: Ivo Faldini
Cc: [email protected]; Meir Katz
Subject: Re: Seems that I found bugs related to stash_cashe in 5.7...
On Tue, Jul 26, 2011 at 11:08 AM, Ivo Faldini
<[email protected]> wrote:
The first and immediate fix is to:
#define NETSNMP_FEATURE_HAS_STASH_CACHE
In a place that all_helpers.c will see it
That's wrong because that would break the configure option
--enable-minimal. See also
https://sourceforge.net/tracker/?group_id=12694&atid=312694 for a proper
patch.
Add to your snmpd.conf:
injectHandler stash_cache nsModuleTable table_iterator
try to execute snmpd with follow cmd line:
snmpd
-DinjectHandler,helper:stash_cache,initialize_table_nsModuleTable -c
snmpd.conf
What I see in the logs with both 5.7 and 5.6 after having applied the
aforementioned patch is:
injectHandler: injecting handler cache_handler into nsModuleTable
So iterator injection seems to work fine.
But I'm not sure that your claim is correct that the stash_cache is
working fine in 5.6 - a MIB walk times out at the end of the host
resources MIB with 5.6:
$ agent/snmpd -Mmibs -c ../snmpd.conf -f -Lo
-DinjectHandler,helper:stash_cache,initialize_table_nsModuleTable :1161
&
[ ... ]
$ apps/snmpwalk -Mmibs -v2c -cpublic :1161 .1
[ ... ]
HOST-RESOURCES-MIB::hrSWRunPerfMem.32504 = INTEGER: 663508 KBytes
Timeout: No Response from :1161
The above test works fine with 5.4 and 5.5 however.
Bart.
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