On Mon, 10 Oct 2005 10:59:59 -0300 Jordan wrote:
JJLDS> I´ve developed a agent with 2 tables(control table and result table).
JJLDS> When I query the agent with snmpget or snmpset everything goes fine.
JJLDS> The problem is when I use snmptable. If the control table is empty, a
JJLDS> segmentation fault error happens when I return NULL(row not found). The
JJLDS> same happens with result table.
The agent segfaults? What happens if you do snmpgetnext with multiple
varbinds?
JJLDS> Another problem is when I put data in the result table. When I try to
JJLDS> query the data with snmpget, the data is shown in the format HEX-STRING.
Do you have a DISPLAY-HINT for the object in the MIB? If not, the agent will
print a string unless there are unprintable characters, in which case it uses
hex.
JJLDS>
/******************************GET_FIRST************************************/
JJLDS> marca* ptMarcaTemp = NULL;
JJLDS> netsnmp_variable_list *vptr;
JJLDS>
JJLDS> //Get the first node (line) of the structure (linked list)
JJLDS> ptMarcaTemp = primeiro_no();
JJLDS>
JJLDS> *my_loop_context = ptMarcaTemp;
JJLDS> *my_data_context = ptMarcaTemp;
JJLDS>
JJLDS> vptr = put_index_data;
JJLDS>
JJLDS> snmp_set_var_value(vptr, (u_char *) &ptMarcaTemp->indice, sizeof(
JJLDS> ptMarcaTemp->indice ));
If the table is empty, won't ptMarcaTmp be NULL? If so, you shouldn't
dereference it!
--
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Robert Story; NET-SNMP Junkie
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You are lost in a twisty maze of little standards, all different.
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