Add lldp_cap() which returns hash of arrays with each array containing the system capabilities supported by the remote system.

This commit is contained in:
Eric A. Miller
2013-12-15 08:56:27 -05:00
parent 0e572db832
commit c6abd7b62b

View File

@@ -67,6 +67,7 @@ $VERSION = '3.08';
'lldp_rem_sysname' => 'lldpRemSysName',
'lldp_rem_sysdesc' => 'lldpRemSysDesc',
'lldp_rem_sys_cap' => 'lldpRemSysCapEnabled',
'lldp_rem_cap_spt' => 'lldpRemSysCapSupported',
# LLDP-MIB::lldpRemManAddrTable
'lldp_rman_addr' => 'lldpRemManAddrIfSubtype',
@@ -80,6 +81,7 @@ $VERSION = '3.08';
'lldp_rem_port_desc' => \&SNMP::Info::munge_null,
'lldp_sys_cap' => \&SNMP::Info::munge_bits,
'lldp_rem_sys_cap' => \&SNMP::Info::munge_bits,
'lldp_rem_cap_spt' => \&SNMP::Info::munge_bits,
);
sub hasLLDP {
@@ -242,6 +244,35 @@ sub lldp_platform {
return \%lldp_platform;
}
sub lldp_cap {
my $lldp = shift;
my $partial = shift;
my $lldp_caps = $lldp->lldp_rem_cap_spt($partial) || {};
# Encoded as BITS which Perl Net-SNMP implementation doesn't seem to
# be able to enumerate for us, so we have to get it from the MIB
# and enumerate ourselves
my $oid = SNMP::translateObj('lldpRemSysCapEnabled',0,1) || '';
my $enums = keys $SNMP::MIB{$oid}{'enums'} ? $SNMP::MIB{$oid}{'enums'} : {};
my %r_enums = reverse %$enums;
my %lldp_cap;
foreach my $key ( keys %$lldp_caps ) {
my $cap_bits = $lldp_caps->{$key};
next unless $cap_bits;
my $count = 0;
foreach my $bit (split //,$cap_bits) {
if ( $bit ) {
push ( @{$lldp_cap{$key}}, $r_enums{$count});
}
$count++;
}
}
return \%lldp_cap;
}
#sub root_ip {
# my $lldp = shift;
#
@@ -462,6 +493,14 @@ C<lldp_rem_sysname()>.
=back
=item $lldp->lldp_cap()
Returns hash of arrays with each array containing the system capabilities
supported by the remote system. Possible elements in the array are
enumerated from C<LldpSystemCapabilitiesMap>.
=back
=head2 LLDP Remote Table (C<lldpRemTable>)
=over
@@ -523,9 +562,9 @@ Nulls are removed before the value is returned.
=item $lldp->lldp_rem_sys_cap()
Returns which system capabilities are enabled on the local system. Results
are munged into an ascii binary string, LSB. Each digit
represents a bit from the table below:
Returns which system capabilities are enabled on the remote system. Results
are munged into an ascii binary string, LSB. Each digit represents a bit
from the table below:
=over