Hi, Extracting Variable Name

Hi,

I am new to net-snmp (and snmp) so struggling a bit here.

I am successfully talking to an SNMP device and getting back some variables which I can print out using the following code:

....init_snmp etc

then

sess_handle = snmp_open(&session);

  pdu = snmp_pdu_create(SNMP_MSG_GET);

  read_objid("Device::Alarm1.0", id_oid, &id_len);
   snmp_add_null_var(pdu, id_oid, id_len);
  read_objid("Device::Alarm2.0", id_oid, &id_len);
   snmp_add_null_var(pdu, id_oid, id_len);
  read_objid("Device::Alarm3.0", id_oid, &id_len);
   snmp_add_null_var(pdu, id_oid, id_len);
  read_objid("Device::Alarm4.0", id_oid, &id_len);
   snmp_add_null_var(pdu, id_oid, id_len);

  status = snmp_synch_response(sess_handle, pdu, &response);
   if (status==0)
    {
    for(vars = response->variables; vars; vars = vars->next_variable)
                {
                print_variable(vars->name, vars->name_length, vars);
                }
    }

The above works fine.

What I am struggling with is getting the data out of the vars variable list. I can get the type and value of the data but I don't seem to be able to get the variable name back.

What I want to do is from the vars variable get back the objid eg Alarm1.0 for each item in the list . How do I do this ?.

Many thanks for any assistance.

Tom Johnson

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