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