| Current File : //etc/net-snmp/snmp/mib2c.table_data.conf |
## -*- c -*-
######################################################################
## Do the .h file
######################################################################
@open ${name}.h@
/*
* Note: this file originally auto-generated by mib2c using
* $Id: mib2c.table_data.conf 15999 2007-03-25 22:32:02Z dts12 $
*/
#ifndef $name.uc_H
#define $name.uc_H
/* function declarations */
void init_$name(void);
@foreach $i table@
void initialize_table_$i(void);
Netsnmp_Node_Handler ${i}_handler;
@if "$cache" ne "" @
NetsnmpCacheLoad ${i}_load;
NetsnmpCacheFree ${i}_free;
#define $i.uc_TIMEOUT 60
@end@
@end@
@foreach $i table@
/* column number definitions for table $i */
@foreach $c column@
#define COLUMN_$c.uc $c.subid
@end@
@end@
#endif /* $name.uc_H */
######################################################################
## Do the .c file
######################################################################
@open ${name}.c@
/*
* Note: this file originally auto-generated by mib2c using
* $Id: mib2c.table_data.conf 15999 2007-03-25 22:32:02Z dts12 $
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "${name}.h"
/** Initializes the $name module */
void
init_$name(void)
{
/* here we initialize all the tables we're planning on supporting */
@foreach $i table@
initialize_table_$i();
@end@
}
@foreach $i table@
# Determine the first/last column names
@eval $first_column = "-"@
@eval $last_column = "-"@
@foreach $c column@
@if $c.readable@
@if "$first_column" eq "-"@
@eval $first_column = $c@
@end@
@eval $last_column = $c@
@end@
@end@
/** Initialize the $i table by defining its contents and how it's structured */
void
initialize_table_$i(void)
{
static oid ${i}_oid[] = {$i.commaoid};
size_t ${i}_oid_len = OID_LENGTH(${i}_oid);
netsnmp_handler_registration *reg;
netsnmp_tdata *table_data;
netsnmp_table_registration_info *table_info;
@if "$cache" ne "" @
netsnmp_cache *cache;
@end@
reg = netsnmp_create_handler_registration(
"$i", ${i}_handler,
${i}_oid, ${i}_oid_len,
@if $i.settable@
HANDLER_CAN_RWRITE
@else@
HANDLER_CAN_RONLY
@end@
);
table_data = netsnmp_tdata_create_table( "$i", 0 );
table_info = SNMP_MALLOC_TYPEDEF( netsnmp_table_registration_info );
netsnmp_table_helper_add_indexes(table_info,
@foreach $idx index@
$idx.type, /* index: $idx */
@end@
0);
table_info->min_column = COLUMN_$first_column.uc;
table_info->max_column = COLUMN_$last_column.uc;
netsnmp_tdata_register( reg, table_data, table_info );
@if "$cache" ne "" @
cache = netsnmp_cache_create($i.uc_TIMEOUT,
${i}_load, ${i}_free,
${i}_oid, ${i}_oid_len),
cache->magic = (void *)table_data;
netsnmp_inject_handler_before( reg, netsnmp_cache_handler_GET(cache), TABLE_DATA_NAME))
@end@
/* Initialise the contents of the table here */
}
/* Typical data structure for a row entry */
struct ${i}_entry {
/* Index values */
@foreach $idx index@
@if $idx.needlength@
$idx.decl $idx[NNN];
size_t ${idx}_len;
@else@
$idx.decl $idx;
@end@
@end@
/* Column values */
@foreach $c column@
@if $c.readable@
@if $c.needlength@
$c.decl $c[NNN];
size_t ${c}_len;
@else@
$c.decl $c;
@end@
@if $c.settable@
@if !$c.rowstatus@
@if $c.needlength@
$c.decl old_$c[NNN];
size_t old_${c}_len;
@else@
$c.decl old_$c;
@end@
@end@
@end@
@end@
@end@
int valid;
};
/* create a new row in the table */
netsnmp_tdata_row *
${i}_createEntry(netsnmp_tdata *table_data
@foreach $idx index@
@if $idx.needlength@
, $idx.decl* $idx
, size_t ${idx}_len
@else@
, $idx.decl $idx
@end@
@end@
) {
struct ${i}_entry *entry;
netsnmp_tdata_row *row;
entry = SNMP_MALLOC_TYPEDEF(struct ${i}_entry);
if (!entry)
return NULL;
row = netsnmp_tdata_create_row();
if (!row) {
SNMP_FREE(entry);
return NULL;
}
row->data = entry;
@foreach $idx index@
@if $idx.needlength@
memcpy(entry->$idx, $idx, ${idx}_len);
entry->${idx}_len = ${idx}_len;
netsnmp_tdata_row_add_index( row, $idx.type,
entry->$idx, ${idx}_len);
@else@
entry->$idx = $idx;
netsnmp_tdata_row_add_index( row, $idx.type,
&(entry->$idx),
sizeof(entry->$idx));
@end@
@end@
netsnmp_tdata_add_row( table_data, row );
return row;
}
/* remove a row from the table */
void
${i}_removeEntry(netsnmp_tdata *table_data,
netsnmp_tdata_row *row) {
struct ${i}_entry *entry;
if (!row)
return; /* Nothing to remove */
entry = (struct ${i}_entry *)
netsnmp_tdata_remove_and_delete_row( table_data, row );
if (entry)
SNMP_FREE( entry ); /* XXX - release any other internal resources */
}
@if "$cache" ne "" @
/* Example cache handling - set up table_data list from a suitable file */
int
${i}_load( netsnmp_cache *cache, void *vmagic ) {
netsnmp_tdata *table = (netsnmp_tdata *)vmagic;
netsnmp_tdata_row *row;
FILE *fp;
char buf[STRMAX];
@if $idx.needlength@
$idx.decl* $idx;
size_t ${idx}_len;
@else@
$idx.decl $idx;
@end@
fp = fopen( "/data/for/${i}", "r" );
while ( fgets( buf, STRMAX, fp )) {
/* Unpick 'buf' to extract the index values... */
this = ${i}_createEntry(table
@foreach $idx index@
@if $idx.needlength@
, $idx
, ${idx}_len
@else@
, $idx
@end@
@end@
);
/* ... and then populate 'this' with the column values */
}
fclose(fp);
}
int
${i}_free( netsnmp_cache *cache, void *vmagic ) {
netsnmp_tdata *table = (netsnmp_tdata *)vmagic;
netsnmp_tdata_row *this;
while ((this = netsnmp_tdata_get_first_row(table))) {
netsnmp_tdata_remove_and_delete_row(table, this);
}
}
@end@
/** handles requests for the $i table */
int
${i}_handler(
netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
netsnmp_agent_request_info *reqinfo,
netsnmp_request_info *requests) {
netsnmp_request_info *request;
netsnmp_table_request_info *table_info;
netsnmp_tdata *table_data;
netsnmp_tdata_row *table_row;
struct ${i}_entry *table_entry;
int ret;
switch (reqinfo->mode) {
/*
* Read-support (also covers GetNext requests)
*/
case MODE_GET:
for (request=requests; request; request=request->next) {
table_entry = (struct ${i}_entry *)
netsnmp_tdata_extract_entry(request);
table_info = netsnmp_extract_table_info( request);
switch (table_info->colnum) {
@foreach $c column@
@if $c.readable@
case COLUMN_$c.uc:
if ( !table_entry ) {
netsnmp_set_request_error(reqinfo, request,
SNMP_NOSUCHINSTANCE);
continue;
}
@if $c.needlength@
snmp_set_var_typed_value( request->requestvb, $c.type,
(u_char*)table_entry->$c,
table_entry->${c}_len);
@else@
snmp_set_var_typed_integer( request->requestvb, $c.type,
table_entry->$c);
@end@
break;
@end@
@end@
default:
netsnmp_set_request_error(reqinfo, request,
SNMP_NOSUCHOBJECT);
break;
}
}
break;
@if $i.settable@
/*
* Write-support
*/
case MODE_SET_RESERVE1:
for (request=requests; request; request=request->next) {
table_entry = (struct ${i}_entry *)
netsnmp_tdata_extract_entry(request);
table_info = netsnmp_extract_table_info( request);
switch (table_info->colnum) {
@foreach $c column@
@if $c.settable@
case COLUMN_$c.uc:
@if $c.rowstatus@
ret = netsnmp_check_vb_rowstatus(request->requestvb,
(table_entry ? RS_ACTIVE : RS_NONEXISTENT ));
@else@
@if $c.needlength@
/* or possiblc 'netsnmp_check_vb_type_and_size' */
ret = netsnmp_check_vb_type_and_max_size(
request->requestvb, $c.type, sizeof(table_entry->$c));
@else@
/* or possibly 'netsnmp_check_vb_int_range' */
ret = netsnmp_check_vb_int( request->requestvb );
@end@
@end@
if ( ret != SNMP_ERR_NOERROR ) {
netsnmp_set_request_error( reqinfo, request, ret );
return SNMP_ERR_NOERROR;
}
break;
@end@
@end@
default:
netsnmp_set_request_error( reqinfo, request,
SNMP_ERR_NOTWRITABLE );
return SNMP_ERR_NOERROR;
}
}
break;
case MODE_SET_RESERVE2:
@if $i.creatable@
for (request=requests; request; request=request->next) {
table_row = netsnmp_tdata_extract_row( request);
table_data = netsnmp_tdata_extract_table(request);
table_info = netsnmp_extract_table_info( request);
switch (table_info->colnum) {
@if $i.rowstatus@
@foreach $c column@
@if $c.rowstatus@
case COLUMN_$c.uc:
switch (*request->requestvb->val.integer) {
case RS_CREATEANDGO:
case RS_CREATEANDWAIT:
table_row = ${i}_createEntry(table_data
@foreach $idx index@
@if $idx.needlength@
, table_info->indexes->val.string
, table_info->indexes->val_len
@else@
, *table_info->indexes->val.integer
@end@
@end@
);
if (table_row) {
netsnmp_insert_tdata_row( request, table_row );
} else {
netsnmp_set_request_error( reqinfo, request,
SNMP_ERR_RESOURCEUNAVAILABLE );
return SNMP_ERR_NOERROR;
}
}
@end@
@end@
@else@
@foreach $c column@
@if $c.creatable@
case COLUMN_$c.uc:
@end@
@end@
if ( !table_row ) {
table_row = ${i}_createEntry(table_data
@foreach $idx index@
@if $idx.needlength@
, table_info->indexes->val.string
, table_info->indexes->val_len
@else@
, *table_info->indexes->val.integer
@end@
@end@
);
if (table_row) {
netsnmp_insert_tdata_row( request, table_row );
} else {
netsnmp_set_request_error( reqinfo, request,
SNMP_ERR_RESOURCEUNAVAILABLE );
return SNMP_ERR_NOERROR;
}
}
break;
@end@
}
}
@end@
break;
case MODE_SET_FREE:
@if $i.creatable@
for (request=requests; request; request=request->next) {
table_entry = (struct ${i}_entry *)
netsnmp_tdata_extract_entry(request);
table_row = netsnmp_tdata_extract_row( request);
table_data = netsnmp_tdata_extract_table(request);
table_info = netsnmp_extract_table_info( request);
switch (table_info->colnum) {
@if $i.rowstatus@
@foreach $c column@
@if $c.rowstatus@
case COLUMN_$c.uc:
switch (*request->requestvb->val.integer) {
case RS_CREATEANDGO:
case RS_CREATEANDWAIT:
if (table_entry && !table_entry->valid) {
${i}_removeEntry(table_data, table_row );
}
}
@end@
@end@
@else@
@foreach $c column@
@if $c.creatable@
case COLUMN_$c.uc:
@end@
@end@
if ( table_entry && !table_entry->valid ) {
${i}_removeEntry(table_data, table_row );
}
break;
@end@
}
}
@end@
break;
case MODE_SET_ACTION:
for (request=requests; request; request=request->next) {
table_entry = (struct ${i}_entry *)
netsnmp_tdata_extract_entry(request);
table_info = netsnmp_extract_table_info( request);
switch (table_info->colnum) {
@foreach $c column@
@if $c.settable@
@if !$c.rowstatus@
case COLUMN_$c.uc:
@if $c.needlength@
memcpy( table_entry->old_$c,
table_entry->$c,
sizeof(table_entry->$c));
table_entry->old_${c}_len =
table_entry->${c}_len;
memset( table_entry->$c, 0,
sizeof(table_entry->$c));
memcpy( table_entry->$c,
request->requestvb->val.string,
request->requestvb->val_len);
table_entry->${c}_len =
request->requestvb->val_len;
@else@
table_entry->old_$c = table_entry->$c;
table_entry->$c = *request->requestvb->val.integer;
@end@
break;
@end@
@end@
@end@
}
}
@if $i.rowstatus@
/* Check the internal consistency of an active row */
for (request=requests; request; request=request->next) {
table_entry = (struct ${i}_entry *)
netsnmp_tdata_extract_entry(request);
table_info = netsnmp_extract_table_info( request);
switch (table_info->colnum) {
@foreach $c column@
@if $c.rowstatus@
case COLUMN_$c.uc:
switch (*request->requestvb->val.integer) {
case RS_ACTIVE:
case RS_CREATEANDGO:
if (/* XXX */) {
netsnmp_set_request_error( reqinfo, request,
SNMP_ERR_INCONSISTENTVALUE );
return SNMP_ERR_NOERROR;
}
}
@end@
@end@
}
}
@end@
break;
case MODE_SET_UNDO:
for (request=requests; request; request=request->next) {
table_entry = (struct ${i}_entry *)
netsnmp_tdata_extract_entry(request);
table_row = netsnmp_tdata_extract_row( request);
table_data = netsnmp_tdata_extract_table(request);
table_info = netsnmp_extract_table_info( request);
switch (table_info->colnum) {
@foreach $c column@
@if $c.settable@
case COLUMN_$c.uc:
@if $i.rowstatus@
@if $c.rowstatus@
switch (*request->requestvb->val.integer) {
case RS_CREATEANDGO:
case RS_CREATEANDWAIT:
if (table_entry && !table_entry->valid) {
${i}_removeEntry(table_data, table_row );
}
}
@else@
@if $c.needlength@
memcpy( table_entry->$c,
table_entry->old_$c,
sizeof(table_entry->$c));
memset( table_entry->old_$c, 0,
sizeof(table_entry->$c));
table_entry->${c}_len =
table_entry->old_${c}_len;
@else@
table_entry->$c = table_entry->old_$c;
table_entry->old_$c = 0;
@end@
@end@
@else@
@if $c.creatable@
if ( table_entry && !table_entry->valid ) {
${i}_removeEntry(table_data, table_row );
} else {
@if $c.needlength@
memcpy( table_entry->$c,
table_entry->old_$c,
sizeof(table_entry->$c));
memset( table_entry->old_$c, 0,
sizeof(table_entry->$c));
table_entry->${c}_len =
table_entry->old_${c}_len;
@else@
table_entry->$c = table_entry->old_$c;
table_entry->old_$c = 0;
@end@
}
@else@
@if $c.needlength@
memcpy( table_entry->$c,
table_entry->old_$c,
sizeof(table_entry->$c));
memset( table_entry->old_$c, 0,
sizeof(table_entry->$c));
table_entry->${c}_len =
table_entry->old_${c}_len;
@else@
table_entry->$c = table_entry->old_$c;
table_entry->old_$c = 0;
@end@
@end@
@end@
break;
@end@
@end@
}
}
break;
case MODE_SET_COMMIT:
@if $i.creatable@
for (request=requests; request; request=request->next) {
table_entry = (struct ${i}_entry *)
netsnmp_tdata_extract_entry(request);
@if $i.rowstatus@
table_row = netsnmp_tdata_extract_row( request);
table_data = netsnmp_tdata_extract_table(request);
@end@
table_info = netsnmp_extract_table_info( request);
switch (table_info->colnum) {
@if $i.rowstatus@
@foreach $c column@
@if $c.rowstatus@
case COLUMN_$c.uc:
switch (*request->requestvb->val.integer) {
case RS_CREATEANDGO:
table_entry->valid = 1;
/* Fall-through */
case RS_ACTIVE:
table_entry->$c = RS_ACTIVE;
break;
case RS_CREATEANDWAIT:
table_entry->valid = 1;
/* Fall-through */
case RS_NOTINSERVICE:
table_entry->$c = RS_NOTINSERVICE;
break;
case RS_DESTROY:
${i}_removeEntry(table_data, table_row );
}
@end@
@end@
@else@
@foreach $c column@
@if $c.creatable@
case COLUMN_$c.uc:
@end@
@end@
if ( table_entry && !table_entry->valid ) {
table_entry->valid = 1;
}
@end@
}
}
@end@
break;
@end@
}
return SNMP_ERR_NOERROR;
}
@end@