It's not clear from your code what format you're using
for $target (the get() functions
accepts a bunch of different input formats) - it might be
easiest to use an SNMP::Varbind object as the
input for get(). An SNMP::Varbind
object is a blessed reference to an array with 5
elements:
- object name (e.g. "sysdesc" or ".1.3.6.1.2.1.1.1"
- dotted-decimal instance ID (or "0" for scalar objects)
- value
- value type (e.g. "IPADDR", "COUNTER", etc.)
- timestamp
You can set the name of the object, and get()
will populate the rest of the info, which you can then test
to figure out what format the return value is in. Assuming
your input target is a string like "sysDescr" or
".1.3.6.1.2.1.1.1", you should be able to do something
like:
my $var = new SNMP::Varbind( [ $target ] );
my $value = $session->get($var)
|| warn "SNMP ERROR: $session->{ErrorStr}";
print "name: ", $var->name, "\n";
print "type: ", $var->type, "\n";
if ( $var->type eq "IPADDR" ) {
... unpack $var->val here ...
}
elsif ( $var->type eq "COUNTER" ) {
... unpack $var->val here ...
}
elsif ...
The SNMP man page will list all the valid variable types
that you might need to deal with.
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