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initial commit; version 22.5.12042

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This commit is contained in:
Chris Hammer
2022-12-12 23:28:25 -05:00
commit af1b03d79f
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117
includes/discovery/vlans/ieee8021-q-bridge-mib.inc.php Normal file
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<?php
/*
* Observium
*
* This file is part of Observium.
*
* @package observium
* @subpackage discovery
* @copyright (C) 2006-2013 Adam Armstrong, (C) 2013-2021 Observium Limited
*
*/
// Simplify ieee8021QBridgeVlanStaticTable walk
$dot1q_ports = snmpwalk_cache_twopart_oid($device, 'ieee8021QBridgeVlanStaticName', [], 'IEEE8021-Q-BRIDGE-MIB');
//$dot1q_ports = snmpwalk_cache_twopart_oid($device, 'ieee8021QBridgeVlanStaticTable', [], 'IEEE8021-Q-BRIDGE-MIB', NULL, OBS_SNMP_ALL_MULTILINE | OBS_SNMP_HEX);
if (!snmp_status()) {
return;
}
$dot1q_ports = snmpwalk_cache_twopart_oid($device, 'ieee8021QBridgeVlanStaticRowStatus', $dot1q_ports, 'IEEE8021-Q-BRIDGE-MIB');
$dot1q_ports = snmpwalk_cache_twopart_oid($device, 'ieee8021QBridgeVlanStaticEgressPorts', $dot1q_ports, 'IEEE8021-Q-BRIDGE-MIB', NULL, OBS_SNMP_ALL_MULTILINE | OBS_SNMP_HEX);
/* Base port ifIndex association */
$dot1d_baseports = snmp_cache_table($device, 'dot1dBasePortIfIndex', [], 'BRIDGE-MIB');
// Detect min ifIndex for vlan base ports
// Why, see here: http://jira.observium.org/browse/OBS-963
$use_baseports = safe_count($dot1d_baseports) > 0;
/*
if ($use_baseports)
{
$vlan_ifindex_min = $dot1d_baseports[key($dot1d_baseports)]['dot1dBasePortIfIndex']; // First element
foreach ($dot1d_baseports as $entry)
{
// But min ifIndex can be in any entry
$vlan_ifindex_min = min($vlan_ifindex_min, $entry['dot1dBasePortIfIndex']);
}
} else {
$vlan_ifindex_min = 0;
}*/
/* End base port ifIndex association */
foreach ($dot1q_ports as $domain_index => $vlans) {
$binary_debug = []; // DEBUG
foreach ($vlans as $vlan_num => $vlan) {
$vlan['ifIndex'] = $vlan_num;
$vlan_array = [
'ifIndex' => $vlan['ifIndex'],
'vlan_domain' => $domain_index,
'vlan_vlan' => $vlan_num,
'vlan_name' => $vlan['ieee8021QBridgeVlanStaticName'],
//'vlan_mtu' => '',
'vlan_type' => 'ethernet',
'vlan_status' => 'operational'
];
$discovery_vlans[$domain_index][$vlan_num] = $vlan_array;
/* End vlans discovery */
/* Per port vlans */
// Convert hex to binary map
$binary = hex2binmap($vlan['ieee8021QBridgeVlanStaticEgressPorts']);
// Assign binary vlans map to ports
$length = strlen($binary);
for ($i = 0; $i < $length; $i++) {
if ($binary[$i]) {
//$ifIndex = $i + $vlan_ifindex_min; // This is incorrect ifIndex association!
if ($use_baseports) {
// Skip all unknown indexes (OBS-2958)
if (!isset($dot1d_baseports[$i + 1]['dot1dBasePortIfIndex'])) {
continue;
}
$ifIndex = $dot1d_baseports[$i + 1]['dot1dBasePortIfIndex'];
} else {
$ifIndex = $i;
}
$binary_debug[$vlan_num][$i] = $ifIndex; // DEBUG
$discovery_ports_vlans[$ifIndex][$vlan_num] = [
'vlan' => $vlan_num,
// FIXME. move STP to separate table
//'baseport' => $vlan_port_id,
//'priority' => $vlan_port['dot1dStpPortPriority'],
//'state' => $vlan_port['dot1dStpPortState'],
//'cost' => $vlan_port['dot1dStpPortPathCost']
];
}
}
}
print_debug_vars($binary_debug); // DEBUG
}
// As last point validate access ports that vlan is added (some devices not report it in ieee8021QBridgeVlanStaticTable)
$dot1q_ports = snmpwalk_cache_twopart_oid($device, 'ieee8021QBridgePvid', [], 'IEEE8021-Q-BRIDGE-MIB');
foreach ($dot1q_ports as $domain_index => $vlans) {
foreach ($vlans as $entry) {
$vlan_num = $entry['ieee8021QBridgePvid'];
if (!isset($discovery_vlans[$domain_index][$vlan_num])) {
$vlan_array = [
'vlan_domain' => $domain_index,
'vlan_vlan' => $vlan_num,
'vlan_name' => 'VLAN ' . $vlan_num,
//'vlan_mtu' => '',
'vlan_type' => 'ethernet',
'vlan_status' => 'operational'
];
$discovery_vlans[$domain_index][$vlan_num] = $vlan_array;
}
}
}
echo(PHP_EOL);
// EOF