## -*- c -*-
######################################################################
## Do the .h file
######################################################################
@open ${name}.h@
/*
* Note: this file originally auto-generated by mib2c
* using mib2c.old-api.conf
*/
#ifndef $name.uc_H
#define $name.uc_H
/* function declarations */
void init_$name(void);
FindVarMethod var_$name;
@foreach $i table@
FindVarMethod var_${i};
@end@
@foreach $i scalar@
@if $i.settable@
WriteMethod write_${i};
@end@
@end@
@foreach $i table@
@foreach $c column@
@if $c.settable@
WriteMethod write_${c};
@end@
@end@
@end@
#endif /* $name.uc_H */
######################################################################
## Do the .c file
######################################################################
@open ${name}.c@
/*
* Note: this file originally auto-generated by mib2c
* using mib2c.old-api.conf
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "${name}.h"
/*
* ${name}_variables_oid:
* this is the top level oid that we want to register under. This
* is essentially a prefix, with the suffix appearing in the
* variable below.
*/
oid ${name}_variables_oid[] = { $name.commaoid };
/*
* variable4 ${name}_variables:
* this variable defines function callbacks and type return information
* for the $name mib section
*/
struct variable4 ${name}_variables[] = {
/* magic number , variable type , ro/rw , callback fn , L, oidsuffix */
@eval $magic = 0@
@eval $namelen = length("$name.commaoid")@
@foreach $i scalar@
@eval $magic = $magic + 1@
@eval $suffix = substr("$i.commaoid", $namelen + 1)@
@eval $suffixlen = $i.oidlength - $name.oidlength@
#define $i.uc $magic
@if $i.settable@
{$i.uc, $i.type, NETSNMP_OLDAPI_RWRITE,
var_${name}, $suffixlen, { $suffix }},
@end@
@if !$i.settable@
{$i.uc, $i.type, NETSNMP_OLDAPI_RONLY,
var_${name}, $suffixlen, { $suffix }},
@end@
@end@
@foreach $i table@
@eval $magic = 0@
@eval $nlen2 = length("$i.commaoid")@
@if $nlen2 > $namelen@
@eval $suffix = substr("$i.commaoid", $namelen + 1)@
@eval $ctmp = ","@
@else@
@eval $suffix = ""@
@eval $ctmp = ""@
@end@
@eval $suffixlen = $i.oidlength - $name.oidlength + 2@
@foreach $c column@
@eval $magic = $magic + 1@
#define $c.uc $magic
@if $c.settable@
{$c.uc, $c.type, NETSNMP_OLDAPI_RWRITE,
var_${i}, $suffixlen, { $suffix $ctmp 1, $c.subid }},
@end@
@if !$c.settable@
{$c.uc, $c.type, NETSNMP_OLDAPI_RONLY,
var_${i}, $suffixlen, { $suffix $ctmp 1, $c.subid }},
@end@
@end@
@end@
};
/* (L = length of the oidsuffix) */
/** Initializes the $name module */
void
init_$name(void)
{
DEBUGMSGTL(("$name", "Initializing\n"));
/* register ourselves with the agent to handle our mib tree */
REGISTER_MIB("$name", ${name}_variables, variable4,
${name}_variables_oid);
/* place any other initialization junk you need here */
}
/*
* var_$name():
* This function is called every time the agent gets a request for
* a scalar variable that might be found within your mib section
* registered above. It is up to you to do the right thing and
* return the correct value.
* You should also correct the value of "var_len" if necessary.
*
* Please see the documentation for more information about writing
* module extensions, and check out the examples in the examples
* and mibII directories.
*/
unsigned char *
var_$name(struct variable *vp,
oid *name,
size_t *length,
int exact,
size_t *var_len,
WriteMethod **write_method)
{
/* variables we may use later */
static long long_ret;
static u_long ulong_ret;
static unsigned char string[SPRINT_MAX_LEN];
static oid objid[MAX_OID_LEN];
static struct counter64 c64;
if (header_generic(vp,name,length,exact,var_len,write_method)
== MATCH_FAILED )
return NULL;
/*
* this is where we do the value assignments for the mib results.
*/
switch(vp->magic) {
@foreach $i scalar@
case $i.uc:
@if $i.settable@
*write_method = write_${i};
@end@
VAR = VALUE; /* XXX */
return (u_char*) &VAR;
@end@
default:
ERROR_MSG("");
}
return NULL;
}
@foreach $i table@
/*
* var_$i():
* Handle this table separately from the scalar value case.
* The workings of this are basically the same as for var_$name above.
*/
unsigned char *
var_$i(struct variable *vp,
oid *name,
size_t *length,
int exact,
size_t *var_len,
WriteMethod **write_method)
{
/* variables we may use later */
static long long_ret;
static u_long ulong_ret;
static unsigned char string[SPRINT_MAX_LEN];
static oid objid[MAX_OID_LEN];
static struct counter64 c64;
/*
* This assumes that the table is a 'simple' table.
* See the implementation documentation for the meaning of this.
* You will need to provide the correct value for the TABLE_SIZE parameter
*
* If this table does not meet the requirements for a simple table,
* you will need to provide the replacement code yourself.
* Mib2c is not smart enough to write this for you.
* Again, see the implementation documentation for what is required.
*/
if (header_simple_table(vp,name,length,exact,var_len,write_method, TABLE_SIZE)
== MATCH_FAILED )
return NULL;
/*
* this is where we do the value assignments for the mib results.
*/
switch(vp->magic) {
@foreach $c column@
case $c.uc:
@if $c.settable@
*write_method = write_${c};
@end@
VAR = VALUE; /* XXX */
return (u_char*) &VAR;
@end@
default:
ERROR_MSG("");
}
return NULL;
}
@end@
@foreach $i scalar@
@if $i.settable@
int
write_$i(int action,
u_char *var_val,
u_char var_val_type,
size_t var_val_len,
u_char *statP,
oid *name,
size_t name_len)
{
$i.decl value;
int size;
switch ( action ) {
case RESERVE1:
if (var_val_type != $i.type) {
fprintf(stderr, "write to $name not $i.type\n");
return SNMP_ERR_WRONGTYPE;
}
if (var_val_len > sizeof($i.decl)) {
fprintf(stderr,"write to $name: bad length\n");
return SNMP_ERR_WRONGLENGTH;
}
break;
case RESERVE2:
size = var_val_len;
value = * ($i.decl *) var_val;
break;
case FREE:
/* Release any resources that have been allocated */
break;
case ACTION:
/*
* The variable has been stored in 'value' for you to use,
* and you have just been asked to do something with it.
* Note that anything done here must be reversable in the UNDO case
*/
break;
case UNDO:
/* Back out any changes made in the ACTION case */
break;
case COMMIT:
/*
* Things are working well, so it's now safe to make the change
* permanently. Make sure that anything done here can't fail!
*/
break;
}
return SNMP_ERR_NOERROR;
}
@end@
@end@
@foreach $i table@
@foreach $c column@
@if $c.settable@
int
write_$c(int action,
u_char *var_val,
u_char var_val_type,
size_t var_val_len,
u_char *statP,
oid *name,
size_t name_len)
{
$c.decl value;
int size;
switch ( action ) {
case RESERVE1:
if (var_val_type != $c.type) {
fprintf(stderr, "write to $name not $c.type\n");
return SNMP_ERR_WRONGTYPE;
}
if (var_val_len > sizeof($c.decl)) {
fprintf(stderr,"write to $name: bad length\n");
return SNMP_ERR_WRONGLENGTH;
}
break;
case RESERVE2:
size = var_val_len;
value = * ($c.decl *) var_val;
break;
case FREE:
/* Release any resources that have been allocated */
break;
case ACTION:
/*
* The variable has been stored in 'value' for you to use,
* and you have just been asked to do something with it.
* Note that anything done here must be reversable in the UNDO case
*/
break;
case UNDO:
/* Back out any changes made in the ACTION case */
break;
case COMMIT:
/*
* Things are working well, so it's now safe to make the change
* permanently. Make sure that anything done here can't fail!
*/
break;
}
return SNMP_ERR_NOERROR;
}
@end@
@end@
@end@