Currently I am running net-snmp5.5 on QNX6.2.1 and using a subagent for my
SNMP. Everything is working fine. Now I am trying to expand my SNMP MIB with
new functionality and I was trying to use pass_persist for the expansion. I was
thinking of using either Perl or Python for the flexibility. No such luck so
far.
Here is what I tried to do so far:
1. I tried to setup pass_persist to use a shell script that adds a log
entry to a log file and I can see that this works. I used this to prove that my
snmpd.conf entries are correct.
2. Next I downloaded the Python script snmp_passpersist.py and wrote a
Python script that uses this class and this is where the problems started
happening. I start snmpd with the following debug flag "-D
ucd-snmp/pass_persist" and when I try to do snmpget on the OID, I see that it
is calling the correct script in the debug message but I get an error message
that PONG was not received. My Python script logs a message when it is started
but I don't see the message which tells me that it is not getting called. I
made sure that Python is started in un-buffered STDIN mode "python -u".
3. Next I tried to start the python script from the shell script used in
step 1 and I get the log message that the Python script started but it does not
work.
4. Next I thought I will try Perl. We have another system that is used
pass_persist on QNX 6.5.0 and I used that Perl script on QNX 6.2.1 but I get
the same result as with Python script in step 2.
Unfortunately I can't run QNX 6.5.0 on my current system due to hardware
compatibility so I am stuck with QMX 6.2.1.
My questions are:
1. Does pass_persist work on QNX 6.2.1?
2. Do I need to run configure with different flags?
3. Am I doing something wrong.
Any suggestion or ideas would be greatly appreciated.
Johnny Issa
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