Hi, gentlemen.
I am facing problems on creating a new table row using snmpset.
Let's start from beginning. Below is my MIB module - a simple table
containing three columns: 'name' (its index), 'score' and 'status' (a
RowStatus object type).
---
myTable DEFINITIONS ::= BEGIN
IMPORTS
netSnmpExamples FROM NET-SNMP-EXAMPLES-MIB
RowStatus FROM SNMPv2-TC
OBJECT-TYPE,
MODULE-IDENTITY FROM SNMPv2-SMI
MODULE-COMPLIANCE, OBJECT GROUP FROM SNMPv2-CONF;
myTable MODULE-IDENTITY
LAST-UPDATED "201208100000Z"
ORGANIZATION "ufersa"
CONTACT-INFO "postal: Helcio Wagner
P.O. Box 59.625-900
Mossoró, Brazil
email: helcio@...
"
DESCRIPTION "A simple editable table for evaluation purpose."
::= { netSnmpExamples 7 }
mySimpleTable OBJECT-TYPE
SYNTAX SEQUENCE OF MySimpleEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"This table contains pairs of <name,score> related
to players of an hypothetical multiplayer game."
::= { myTable 1 }
mySimpleEntry OBJECT-TYPE
SYNTAX MySimpleEntry
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"A row describing a pair of <name,score>."
INDEX { name }
::= { mySimpleTable 1 }
MySimpleEntry ::= SEQUENCE {
name OCTET STRING,
score OCTET STRING,
status RowStatus
}
name OBJECT-TYPE
SYNTAX OCTET STRING (SIZE (1..16))
MAX-ACCESS not-accessible
STATUS current
DESCRIPTION
"Player's name."
::= { mySimpleEntry 1 }
score OBJECT-TYPE
SYNTAX INTEGER
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"Player's score."
DEFVAL { 0 }
::= { mySimpleEntry 2 }
status OBJECT-TYPE
SYNTAX RowStatus
MAX-ACCESS read-create
STATUS current
DESCRIPTION
"The status column used for creating,
modifying and deleting instances of
the columnar objects in this table."
::= { mySimpleEntry 3 }
END
---
I've used mib2c with 'mib2c.create-dataset.conf' config file to generate
myTable.c and myTable.h files. Below is a code snippet of myTable.c:
---
void initialize_table_myTable(void) {
const oid myTable_oid[] = {1,3,6,1,4,1,8072,2,7};
netsnmp_table_data_set *table_set;
table_set = netsnmp_create_table_data_set("myTable");
table_set->allow_creation = 1;
DEBUGMSGTL(("initialize_table_myTable",
"adding indexes to table myTable\n"));
netsnmp_table_set_add_indexes(table_set, ASN_OCTET_STR, 0);
DEBUGMSGTL(("initialize_table_myTable",
"adding column types to table myTable\n"));
netsnmp_table_set_multi_add_default_row(table_set,
1, ASN_OCTET_STR, 1, NULL, 0,
2, ASN_INTEGER, 1, NULL, 0,
3, ASN_INTEGER, 1, NULL, 0,
0);
netsnmp_register_table_data_set(netsnmp_create_handler_registration("myTable",
NULL,
myTable_oid,
OID_LENGTH(myTable_oid),
HANDLER_CAN_RWRITE),
table_set, NULL);
}
void init_myTable(void) {
initialize_table_myTable();
}
---
Well, I've copied both (.c and .h) files to the right place
(agent/mibgroups directory of NET-SNMP installation place), compiled the
agent with such MIB module and ran 'make' and 'make install'. Finally, I've
run 'snmpd'.
The problem rises when I use snmpset. Please, take a look:
---
snmpset -v2c -c public localhost
myTable::mySimpleTable.mySimpleEntry.status.\"Helcio\" i 4
Error in packet.
Reason: noCreation (That table does not support row creation or that object
can not ever be created)
Failed object: myTable::status."Helcio"
---
The same occurs when I try to set 'status' to 5, instead of 4.
Am I doing anything wrong, gentlemen? Any hope will be appreciated.
Helcio.
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