/** @internal */
void
netsnmp_config_parse_table_set(const char *token, char *line)
{
oid name[MAX_OID_LEN], table_name[MAX_OID_LEN];
size_t name_length = MAX_OID_LEN, table_name_length =
MAX_OID_LEN;
struct tree *tp, *indexnode;
netsnmp_table_data_set *table_set;
data_set_tables *tables;
struct index_list *index;
unsigned int mincol = 0xffffff, maxcol = 0;
u_char type;
char *pos;
/*
* instatiate a fake table based on MIB information
*/
DEBUGMSGTL(("9:table_set_add_table", "processing '%s'\n", line));
if (NULL != (pos = strchr(line,' '))) {
config_pwarn("ignoring extra tokens on line");
snmp_log(LOG_WARNING," ignoring '%s'\n", pos);
*pos = '\0';
}
/*
* check for duplicate table
*/
tables = (data_set_tables *) netsnmp_get_list_data(auto_tables, line);
if (NULL != tables) {
config_pwarn("duplicate table definition");
return;
}
/*
* parse oid and find tree structure
*/
if (!snmp_parse_oid(line, table_name, &table_name_length)) {
config_pwarn
("can't instatiate table since I can't parse the table name");
return;
}
if(NULL == (tp = get_tree(table_name, table_name_length,
get_tree_head()))) {
config_pwarn("can't instatiate table since "
"I can't find mib information about it");
return;
}
if (NULL == (tp = tp->child_list) || NULL == tp->child_list) {
config_pwarn("can't instatiate table since it doesn't appear to be "
"a proper table (no children)");
return;
}
/*
* check for augments indexes
*/
if (NULL != tp->augments) {
if (!snmp_parse_oid(tp->augments, table_name, &table_name_length)) {
config_pwarn("I can't parse the augment tabel name");
snmp_log(LOG_WARNING, " can't parse %s\n", tp->augments);
return;
}
if(NULL == (tp = get_tree(table_name, table_name_length,
get_tree_head()))) {
config_pwarn("can't instatiate table since "
"I can't find mib information about augment table");
snmp_log(LOG_WARNING, " table %s not found in tree\n",
tp->augments);
return;
}
table_set = netsnmp_create_table_data_set(line);
/*
* loop through indexes and add types
*/
for (index = tp->indexes; index; index = index->next) {
if (!snmp_parse_oid(index->ilabel, name, &name_length) ||
(NULL ==
(indexnode = get_tree(name, name_length, get_tree_head())))) {
config_pwarn("can't instatiate table since "
"I don't know anything about one index");
snmp_log(LOG_WARNING, " index %s not found in tree\n",
index->ilabel);
return; /* xxx mem leak */
}
type = mib_to_asn_type(indexnode->type);
if (type == (u_char) - 1) {
config_pwarn("unknown index type");
return; /* xxx mem leak */
}
if (index->isimplied) /* if implied, mark it as such */
type |= ASN_PRIVATE;
DEBUGMSGTL(("table_set_add_row",
"adding default index of type %d\n", type));
netsnmp_table_dataset_add_index(table_set, type);
}
}
else
table_set = netsnmp_create_table_data_set(line);
/*
* loop through indexes and add types
*/
for (index = tp->indexes; index; index = index->next) {
if (!snmp_parse_oid(index->ilabel, name, &name_length) ||
(NULL ==
(indexnode = get_tree(name, name_length, get_tree_head())))) {
config_pwarn("can't instatiate table since "
"I don't know anything about one index");
snmp_log(LOG_WARNING, " index %s not found in tree\n",
index->ilabel);
return; /* xxx mem leak */
}
type = mib_to_asn_type(indexnode->type);
if (type == (u_char) - 1) {
config_pwarn("unknown index type");
return; /* xxx mem leak */
}
if (index->isimplied) /* if implied, mark it as such */
type |= ASN_PRIVATE;
DEBUGMSGTL(("table_set_add_row",
"adding default index of type %d\n", type));
netsnmp_table_dataset_add_index(table_set, type);
}
/*
* loop through children and add each column info
*/
for (tp = tp->child_list; tp; tp = tp->next_peer) {
int canwrite = 0;
type = mib_to_asn_type(tp->type);
if (type == (u_char) - 1) {
config_pwarn("unknown column type");
return; /* xxx mem leak */
}
DEBUGMSGTL(("table_set_add_row",
"adding column %s(%d) of type %d (access %d)\n",
tp->label, tp->subid, type, tp->access));
switch (tp->access) {
case MIB_ACCESS_CREATE:
table_set->allow_creation = 1;
case MIB_ACCESS_READWRITE:
case MIB_ACCESS_WRITEONLY:
canwrite = 1;
case MIB_ACCESS_READONLY:
DEBUGMSGTL(("table_set_add_row",
"adding column %d of type %d\n", tp->subid, type));
netsnmp_table_set_add_default_row(table_set, tp->subid, type,
canwrite, NULL, 0);
mincol = SNMP_MIN(mincol, tp->subid);
maxcol = SNMP_MAX(maxcol, tp->subid);
break;
case MIB_ACCESS_NOACCESS:
case MIB_ACCESS_NOTIFY:
break;
default:
config_pwarn("unknown column access type");
break;
}
}
/*
* register the table
*/
netsnmp_register_table_data_set(netsnmp_create_handler_registration
(line, NULL, table_name,
table_name_length,
HANDLER_CAN_RWRITE), table_set, NULL);
netsnmp_register_auto_data_table(table_set, NULL);
}
/*
* (to get called, the function name must match init_FILENAME()
*/
void init_data_set (void)
{
netsnmp_table_row *row;
/*
* the OID we want to register our integer at. This should be the
* * OID node for the entire table. In our case this is the
* * netSnmpIETFWGTable oid definition
*/
oid my_registration_oid[] = { 1, 3, 6, 1, 4, 1, 8072, 2, 2, 1 };
/*
* a debugging statement. Run the agent with -Dexample_data_set to see
* * the output of this debugging statement.
*/
DEBUGMSGTL (("example_data_set", "Initalizing example dataset table\n"));
/*
* It's going to be the "working group chairs" table, since I'm
* * sitting at an IETF convention while I'm writing this.
* *
* * column 1 = index = string = WG name
* * column 2 = string = chair #1
* * column 3 = string = chair #2 (most WGs have 2 chairs now)
*/
table_set = netsnmp_create_table_data_set ("netSnmpIETFWGTable");
/*
* allow the creation of new rows via SNMP SETs
*/
table_set->allow_creation = 1;
/*
* set up what a row "should" look like, starting with the index
*/
netsnmp_table_dataset_add_index (table_set, ASN_OCTET_STR);
/*
* define what the columns should look like. both are octet strings here
*/
netsnmp_table_set_multi_add_default_row (table_set,
/*
* column 2 = OCTET STRING,
* writable = 1,
* default value = NULL,
* default value len = 0
*/
2, ASN_OCTET_STR, 1, NULL, 0,
/*
* similar
*/
3, ASN_OCTET_STR, 1, NULL, 0, 0 /* done */ );
/*
* register the table
*/
/*
* if we wanted to handle specific data in a specific way, or note
* * when requests came in we could change the NULL below to a valid
* * handler method in which we could over ride the default
* * behaviour of the table_dataset helper
*/
netsnmp_register_table_data_set (netsnmp_create_handler_registration
("netSnmpIETFWGTable", NULL,
my_registration_oid,
OID_LENGTH (my_registration_oid), HANDLER_CAN_RWRITE), table_set, NULL);
/*
* create the a row for the table, and add the data
*/
row = netsnmp_create_table_data_row ();
/*
* set the index to the IETF WG name "snmpv3"
*/
netsnmp_table_row_add_index (row, ASN_OCTET_STR, "snmpv3", strlen ("snmpv3"));
/*
* set column 2 to be the WG chair name "Russ Mundy"
*/
netsnmp_set_row_column (row, 2, ASN_OCTET_STR, "Russ Mundy", strlen ("Russ Mundy"));
netsnmp_mark_row_column_writable (row, 2, 1); /* make writable via SETs */
/*
* set column 3 to be the WG chair name "David Harrington"
*/
netsnmp_set_row_column (row, 3, ASN_OCTET_STR, "David Harrington", strlen ("David Harrington"));
netsnmp_mark_row_column_writable (row, 3, 1); /* make writable via SETs */
/*
* add the row to the table
*/
netsnmp_table_dataset_add_row (table_set, row);
#ifdef ADD_MORE_DATA
/*
* add the data, for the second row
*/
row = netsnmp_create_table_data_row ();
netsnmp_table_row_add_index (row, ASN_OCTET_STR, "snmpconf", strlen ("snmpconf"));
netsnmp_set_row_column (row, 2, ASN_OCTET_STR, "David Partain", strlen ("David Partain"));
netsnmp_mark_row_column_writable (row, 2, 1); /* make writable */
netsnmp_set_row_column (row, 3, ASN_OCTET_STR, "Jon Saperia", strlen ("Jon Saperia"));
netsnmp_mark_row_column_writable (row, 3, 1); /* make writable */
netsnmp_table_dataset_add_row (table_set, row);
#endif
/*
* Finally, this actually allows the "add_row" token it the
* * snmpd.conf file to add rows to this table.
* * Example snmpd.conf line:
* * add_row netSnmpIETFWGTable eos "Glenn Waters" "Dale Francisco"
*/
netsnmp_register_auto_data_table (table_set, NULL);
DEBUGMSGTL (("example_data_set", "Done initializing.\n"));
}
