Re: Memory leak in 5.1.1 agentx subagent

Tommy Christensen wrote:
> Hi Wolfgang
> 
> Yeah, memory leaks can be really nasty to track down.
> 
> I am running with this patch on top of 5.0.8 - and I don't see
> any more leaks on SET requests! Perhaps it will work for you too,
> or at least provide some usefull hints.
> 
> -Tommy
> 
> 

Tommy,

thank you very much. As far as I can see (I'm at home now and have no
net-snmp sources available), your patch touches some spots in the code
I've found suspiscious too. So it may work for me too. I'll check it
Monday in the office and keep you informed.

Wolfgang

[cut]

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Re: Minor bug in snmpd 5.1.1 disabling smux support (Solaris)

On Fri, 30 Apr 2004 20:27:36 +0200 Michael wrote:
MH> Starting snmpd with "-I -smux" doesn't work, snmpd still binds to port 199.
MH> 
MH> Configuring using "--with-out-mib-modules="smux" does disable smux 
MH> permanent. It worked without any problems in 5.0.x disabling smux 
MH> support via -I - from snmpd startup script.

Actually, it appears that this same problem was introduced in 5.1. At least I
assume it's a bug, and not an intentional behaviour change.

Dave, it appears that this was introduced by some changes you made, with the
comment 'Support configuration of the socket address to listen for SMUX
connections on'.  The problem is that the new routine real_init_smux is called
unconditionally from snmp_agent.c, as opposed to the previous
mib_module_inits.h invocation.

If the behaviour change was not intentional, then the initialization should be
conditional based on a should_init call, either in snmp_agent.c or inside the
real_init_smux function.

--

-- 
Robert Story; NET-SNMP Junkie <http://www.net-snmp.org/>
<irc://irc.freenode.net/#net-snmp>  
Archive: <http://sourceforge.net/mailarchive/forum.php?forum=net-snmp-users>

You are lost in a twisty maze of little standards, all different. 

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Re: Memory leak in 5.1.1 agentx subagent

Tommy Christensen wrote:
> Hi Wolfgang
> 
> Yeah, memory leaks can be really nasty to track down.
> 
> I am running with this patch on top of 5.0.8 - and I don't see
> any more leaks on SET requests! Perhaps it will work for you too,
> or at least provide some usefull hints.
> 
> -Tommy
> 

Hi Tommy,

the patch applied (with offset) to 5.0.9 and my first tests indicate
that it is working and removing the memory leaks.

Thank you,

Wolfgang

[cut]

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Fw:

> int
> handle_coInicEst(netsnmp_mib_handler *handler,
>                          netsnmp_handler_registration *reginfo,
>                          netsnmp_agent_request_info   *reqinfo,
>                          netsnmp_request_info         *requests)
> {
> }
> How could I guess the transmitter of the request in this function?
> Which field in this structure carries the information about the
> transmitter? I wolud like to study, inside the handle, if the transmitter
has permission to give my agent a command trhough this variable.

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What is read-create?

A bunch of entries in the RMON MIB have max-access "read-create".  Can someone help me understand what that
means?  TIA.

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ssCpuRawIdle Units

Hi, I' am polling the UCD-SNMP-MIB::ssCpuRawIdle object on a SuSE Linux 8.2 ucd-snmp-agent, the one that
comes with the operating system CDs. I would like to confirm which are the units of this counter to compute
Cpu Idle in %. It seems it is 0.5 centi-seconds.

If I poll each 10 s and divide the counter value increment between 10 s I get a value of aproximately 200. Using
top command I see that Idle Cpu is 99.8 %.

The ssCpuIdle value gives the correct value (99 %).
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Re: Memory leak in 5.1.1 agentx subagent

Community in agent-demon

-- How can I add master-agent v2c community support in my agent-demon code
so that the user will connect to my demon with this community ?
(I'm using Ver 5.1.1.pre2)  

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G+ transmitter of a request

Hi all !!!

I have a new cuestion for you.

case MODE_SET_ACTION:
      if (coInicEst== INACT && *(requests->requestvb->val.integer) ==
SOLSEL)
              if (TRUE /*acepta_seleccion(autor de la peticion, COINIC)*/)
              {
                   coInicEst = SELACEP;
                   coInicEstTT = time (NULL);
              }
              else
                   coInicEst = INACT;

In this piece of code I write TRUE but I need to check if the transmitter of
this request has permission to make an action in the agent, how could I do
it? How could I obtein information about the transmitter of it?

Thanks a lot.

Gemma

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Re: Minor bug in snmpd 5.1.1 disabling smux support (Solaris)

Robert Story (Users) wrote:
> On Fri, 30 Apr 2004 20:27:36 +0200 Michael wrote:
> MH> Starting snmpd with "-I -smux" doesn't work, snmpd still binds to port 199.
> MH> 
> MH> Configuring using "--with-out-mib-modules="smux" does disable smux 
> MH> permanent. It worked without any problems in 5.0.x disabling smux 
> MH> support via -I - from snmpd startup script.
> 
> Actually, it appears that this same problem was introduced in 5.1. At least I
> assume it's a bug, and not an intentional behaviour change.
> 
> Dave, it appears that this was introduced by some changes you made, with the
> comment 'Support configuration of the socket address to listen for SMUX
> connections on'.  The problem is that the new routine real_init_smux is called
> unconditionally from snmp_agent.c, as opposed to the previous
> mib_module_inits.h invocation.
> 
> If the behaviour change was not intentional, then the initialization should be
> conditional based on a should_init call, either in snmp_agent.c or inside the
> real_init_smux function.

Hi Robert!

Thx for approving, so there's hope for a fix?

Other then that 5.1.1 runs quite nice on Solaris.;) I'm still looking 
for a HP-UX and Tru64 net-snmp version with working snmpv3 support. The 
HP-UX binaries from sourceforge.net work, but are sadly missing snmpv3 
encryption support. Couldn't get it working, using gcc or HP compiler.;(

Thx and keep the great work!

Michael Heiming

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