113 lines
3.6 KiB
PHP
113 lines
3.6 KiB
PHP
<?php
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/**
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* Observium
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*
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* This file is part of Observium.
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*
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* @package observium
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* @subpackage poller
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* @copyright (C) 2006-2013 Adam Armstrong, (C) 2013-2022 Observium Limited
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*
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*/
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/**
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* @var array $device
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* @var string $mib
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* @var array $def
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* @var array $entry
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* @var string $bgpLocalAs
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* @var array $peers_data from BGP4-MIB
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* @var array $p_list
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* @var array $peerlist
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* @var bool $check_vrfs
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* @var string $vrf_name
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*/
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// Common vendor specific
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$vendor_mib = $mib;
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$vendor_bgp = snmpwalk_cache_oid($device, $def['oids']['PeerRemoteAs']['oid'], [], $vendor_mib, NULL, OBS_SNMP_ALL_NUMERIC_INDEX);
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if (safe_empty($vendor_bgp)) {
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$vendor_mib = FALSE; // Unset vendor_mib since not found on device
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return;
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}
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$v_oids = [
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'PeerState', 'PeerAdminStatus', 'PeerInUpdates', 'PeerOutUpdates',
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'PeerInTotalMessages', 'PeerOutTotalMessages',
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'PeerFsmEstablishedTime', 'PeerInUpdateElapsedTime'
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];
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foreach ($v_oids as $oid) {
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$vendor_oid = $def['oids'][$oid]['oid'];
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//print_vars($oid);
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if (!isset($def['index'][$vendor_oid]) && !safe_empty($vendor_oid)) {
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$vendor_bgp = snmpwalk_cache_oid($device, $vendor_oid, $vendor_bgp, $vendor_mib, NULL, OBS_SNMP_ALL_NUMERIC_INDEX);
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}
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}
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// Fetch vendor specific counters
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$vendor_counters = [];
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$v_oids = [ 'PeerAcceptedPrefixes', 'PeerDeniedPrefixes', 'PeerAdvertisedPrefixes' ];
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foreach ($v_oids as $oid) {
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$vendor_oid = $def['oids'][$oid]['oid'];
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//print_vars($oid);
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if (!safe_empty($vendor_oid)) {
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$vendor_counters = snmpwalk_cache_oid($device, $vendor_oid, $vendor_counters, $vendor_mib, NULL, OBS_SNMP_ALL_NUMERIC_INDEX);
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}
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}
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unset($vendor_oid);
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// Collect founded peers and rewrite to pretty array.
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foreach ($vendor_bgp as $idx => $vendor_entry) {
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if (!safe_empty($def['index'])) {
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parse_bgp_peer_index($vendor_entry, $idx, $vendor_mib);
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}
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$peer_ip = hex2ip($vendor_entry[$def['oids']['PeerRemoteAddr']['oid']]);
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//$vendor_entry[$vendor_PeerLocalAddr] = hex2ip($vendor_entry[$vendor_PeerLocalAddr]);
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$vendor_entry['idx'] = $idx;
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$peer_as = $vendor_entry[$def['oids']['PeerRemoteAs']['oid']];
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$peer = [
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'ip' => $peer_ip === '0.0.0.0' ? '' : $peer_ip,
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'as' => $peer_as,
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'admin_status' => $vendor_entry[$def['oids']['PeerAdminStatus']['oid']]
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];
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if ($check_vrfs) {
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$peer['virtual_name'] = $vrf_name;
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}
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if (is_bgp_peer_valid($peer, $device)) {
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// Fix possible 32bit ASN for peers from BGP4-MIB
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// Brocade example:
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// BGP4-MIB::bgpPeerRemoteAs.27.122.122.4 = 23456
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// FOUNDRY-BGPV2-MIB::bgp4V2PeerRemoteAs.1.1.4.27.122.122.5.1.4.27.122.122.4 = 133189
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if (isset($p_list[$peer_ip]) && !isset($p_list[$peer_ip][$peer_as])) {
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unset($p_list[$peer_ip]); // Clean old peer list
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$bgp4_peer_as = $bgp_peers[$peer_ip]['bgpPeerRemoteAs']; // BGP4-MIB
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if ($peer_as > $bgp4_peer_as) {
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$bgp_peers[$peer_ip]['bgpPeerRemoteAs'] = $peer_as;
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}
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}
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$p_list[$peer_ip][$peer_as] = 1;
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//$vendor_peers[$peer_ip][$peer_as] = $vendor_entry;
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// Unify peer
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$vendor_peers[$peer_ip][$peer_as] = [ 'idx' => $idx ];
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foreach ($bgp_oids as $bgp_oid) {
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$def_oid = str_replace('bgp', '', $bgp_oid); // bgpPeerState -> PeerState
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if (isset($def['oids'][$def_oid]['transform'])) {
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$vendor_peers[$peer_ip][$peer_as][$bgp_oid] = string_transform($vendor_entry[$def['oids'][$def_oid]['oid']], $def['oids'][$def_oid]['transform']);
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} else {
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$vendor_peers[$peer_ip][$peer_as][$bgp_oid] = $vendor_entry[$def['oids'][$def_oid]['oid']];
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}
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}
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if ($check_vrfs) {
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$vendor_peers[$peer_ip][$peer_as]['virtual_name'] = $vrf_name;
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}
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}
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}
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// EOF
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