#576 regression in snmpstats module

1.8.x
open
modules (454)
5
2013-08-03
2012-11-05
ledda
No

Unable to browse SNMP information.

snmpwalk -v 1 -c public 127.0.0.1 OPENSER-REG-MIB::openser
OPENSER-SIP-COMMON-MIB::openserSIPProtocolVersion.0 = STRING: SIP/2.0
Error in packet.
Reason: (genError) A general failure occured
Failed object: OPENSER-SIP-COMMON-MIB::openserSIPProtocolVersion.0

When the code changed back to the way how it was in v1.6.4 it works fine.

opensips-1.6.4-2-tls/modules/snmpstats/openserSIPCommonObjects.c
fgets(buffer, SNMPGET_MAX_BUFFER, theFile);

opensips-1.8.2-tls/modules/snmpstats/openserSIPCommonObjects.c
if (fgets(buffer, SNMPGET_MAX_BUFFER, theFile)==NULL)
return SNMP_ERR_GENERR;

Discussion

  • Bogdan-Andrei Iancu

    Hi Ledda,

    According to man::

    gets() and fgets() return s on success, and NULL on error or when end
    of file occurs while no characters have been read.

    So, the test added on fgets seems to be valid to me. Now, the question is if you have the file it tries to read from:
    /tmp/openSER_SNMPAgent.txt

    Is there any valid data in there ?

    Regards,
    Bogdan

     
  • Bogdan-Andrei Iancu

    • assigned_to: nobody --> bogdan_iancu
     
  • ledda

    ledda - 2012-11-05

    The file exists. But it is zero size in both cases.

     
  • Bogdan-Andrei Iancu

    So the code is correct and the problem may be related to the creation of the file. Could you confirm the file has some content right after the opensips start?

    Thanks.

     
  • ledda

    ledda - 2012-11-05

    The file /tmp/openSER_SNMPAgent.txt exists, and it is empty.

    I don't see any snmpget related errors in the logs.

     
  • Bogdan-Andrei Iancu

    What do you get if you run from a console:
    snmpget -Ov -c public localhost .1.3.6.1.2.1.1.3.0

    ?

    Regards,
    Bogdan

     
  • Daniel Goepp

    Daniel Goepp - 2013-08-03

    I'm currently experiencing this problem with 1.9 also. I see you never got a response to your request Bogdan, so I will provide my feedback if it helps.

    snmpget -Ov -c opensips localhost .1.3.6.1.2.1.1.3.0
    snmpget: No securityName specified

    I have tried using both v1 and v2c (not using v3 at this time).

    snmpwalk -Ci -v 2c -c opensips 127.0.0.1 OPENSER-REG-MIB::openser
    OPENSER-REG-MIB::openser = No Such Object available on this agent at this OID
    OPENSER-SIP-COMMON-MIB::openserSIPProtocolVersion.0 = STRING: SIP/2.0
    Error in packet.
    Reason: (genError) A general failure occured
    Failed object: OPENSER-SIP-COMMON-MIB::openserSIPProtocolVersion.0

    The interesting part is that I can query scalar and table statistics directly just fine, so I'm pretty sure all the agent connectivity is fine.

    snmpwalk -Ci -v 2c -c opensips localhost openserSIPRegCurrentUsers.0
    OPENSER-SIP-SERVER-MIB::openserSIPRegCurrentUsers.0 = Gauge32: 1

    snmptable -Ci -v 2c -c opensips localhost openserSIPRegUserTable
    SNMP table: OPENSER-SIP-SERVER-MIB::openserSIPRegUserTable

    index openserSIPUserUri openserSIPUserAuthenticationFailures
    1 DefaultUser 0
    2 6506410690 0

    Happy to provide any other details needed to diagnose this one.

     

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