snmp string to float conversion

[vrtareg]

Hi

Installed latest release - 1.6.1
Problem with quoted SNMP float numbers still present
Can someone check again?

Thanks
Areg

[Alexei]

Installed latest release - 1.6.1
Problem with quoted SNMP float numbers still present

Support of quoted strings is not there yet.

[JoelG]

Sad

I am a little disappointed with this patch.

I debugged the problem, provided a quick fix (that seems to work fine, and is probably required), recommended a better fix to underlying problem (initializing the base data structure to null values with memset()), and now the 'fix' doesn't support the initial data problem at all.

Additional checking of data type was not needed, just being able to properly convert a snmp string to a float.

Maybe the real problem is not being able to support signed integers (either 'real' integers or returned 'string' integers).

I am looking forward to a complete solution.

I have added a patch, currently in testing, that will re-enable this functionality. It also includes the mib normalization fix.

[vrtareg]

Hi

Patch works for me.
Waiting it in next releases.

Areg

[hannibal20]

I had the same issue. The patch helped with 1.6.1. Please include a solution to the problem in future releases.

[Clubbavich]

Support of quoted strings is not there yet.

Odd, it was there in 1.6. At least, it worked fine for me... Most of my float values are being sent as strings, and they were all working fine on 1.6 in my test environment. I found myself needing to start again, so I go to 1.6.1, and suddenly, all of my old OID's that worked fine before, are failing. . I'll try the patch that was provided in this thread and hope that it helps.

[Vitaly]

Thanks for the patch.
I've patched v.1.6.1. SNMP works again.

[halik]

excelent job. the patch works for me!

michal koslinski

[vrtareg]

Hi

Thanks for patch.
It works for me too.

But it seems that there is another issue with SNMP.
I noticed that in my configuration, where about 300 Linux machines and 20-30 SNMP devices, when some of linux machines stops or hangs or i manually stop zabbix_agentd on one of them SNMP starts to work with interruption.

Does anyone notice this?

Regards
Areg

[Clubbavich]

Patch works, but then there's a problem...

Thanks for the patch, that worked fine for storing the data. Now, I have a new problem to throw at you...

One of the items I monitor contains negative floating point values, and they get stored fine, however, whenever I try to use a macro to retrieve the value, it get's completely messed up. For example, if I set up an action to send a message {{HOSTNAME}:negativefloatkey.last(0)} it returns 16777216 where the actual value is -12 ... same value is returned when the actual value is -19... Any ideas? (It's actually -12.0000 and -19.0000, the values are in .5 increments... so it could be -12 or -11.5 or -12.5 but nothing between those values.)

Same with {{HOSTNAME}:negativefloatkey.prev(0)}

Thanks

[rrr]

The patch worked fine in 1.6.1.
Now I've upgraded to 1.6.2. but it seems that this patch isn't included in this release. Can I use the existing patch still for 1.6.2.?

[jmb]

Hello,

The patch for 1.6.1 does not apply to 1.6.2. Here is the modified patch for 1.6.2

Greets jm

[rrr]

Hello jm,

thanks very much, the new patch works perfectly!

[wispman]

Hi guys,
I am glad to find this patch, going to try it out now this is just what I need, but pleeeze, why isn't this integrated into the official release??

[rrr]

Grmpf... in the last nightly build patching of the checks_snmp.c file fails again.

Is it still necessary? If yes, which lines must be modified?