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Teach Baystack's e_index() that Entity's e_index() is implemented based

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on e_descr() - otherwise, Entity's e_index() will always return a mapping
even if the device doesn't implement the ENTITY-MIB.
This commit is contained in:
Bill Fenner
2007-10-08 22:30:30 +00:00
parent f3058e4e9c
commit ea65ed57af
1 changed files with 14 additions and 2 deletions
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16
Info/Layer2/Baystack.pm
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@@ -347,7 +347,17 @@ sub e_index {
my $stack = shift;
my $partial = shift;
return $stack->SUPER::e_index($partial) || $stack->ns_e_index($partial);
# This has intimate knowledge of the implementation of e_index.
# e_index is implemented in terms of e_descr, so unlike the other
# functions below we can't just
# return $stack->SUPER::e_index($partial) || $stack->ns_e_index($partial);
# since it will call *our* e_descr. So we only call e_index if
# SUPER::e_descr works.
if ($stack->SUPER::e_descr($partial)) {
return $stack->SUPER::e_index($partial);
} else {
return $stack->ns_e_index($partial);
}
}
sub e_class {
@@ -607,7 +617,9 @@ L<SNMP::Info::NortelStack/"TABLE METHODS"> for details on ns_e_* methods.
=item $baystack->e_index()
If the device doesn't support B<entPhysicalIndex>, this will try ns_e_index().
If the device doesn't support B<entPhysicalDescr>, this will try ns_e_index().
Note that this is based on B<entPhysicalDescr> due to implementation
details of SNMP::Info::Entity::e_index().
=item $baystack->e_class()