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initial commit; version 22.5.12042

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Chris Hammer
2022-12-12 23:28:25 -05:00
commit af1b03d79f
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93
includes/discovery/neighbours/isdp-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
*
*/
// This is generic *-ISDP-MIB discovery.
$isdp_array = snmpwalk_cache_twopart_oid($device, 'agentIsdpCacheTable', [], $mib, NULL, OBS_SNMP_ALL_MULTILINE);
print_debug_vars($isdp_array);
if ($isdp_array) {
foreach ($isdp_array as $ifIndex => $port_neighbours) {
//$port = dbFetchRow("SELECT * FROM `ports` WHERE `device_id` = ? AND `ifIndex` = ?", array($device['device_id'], $ifIndex));
$port = get_port_by_index_cache($device, $ifIndex);
foreach ($port_neighbours as $entry_id => $isdp) {
if (safe_empty($isdp['agentIsdpCacheDevicePort']) && safe_empty($isdp['agentIsdpCachePlatform']) &&
safe_empty($isdp['agentIsdpCacheAddress']) && safe_empty($isdp['agentIsdpCacheVersion'])) {
// All neighbour fields is empty, ignore
print_debug("Neighbour ignored: proto[isdp], ".$isdp['agentIsdpCacheDeviceId']);
continue;
}
// Normally not possible, but I keep this ability for search local port
if (!$port && strlen($isdp['agentIsdpCacheLocalIntf'])) {
$if = $isdp['agentIsdpCacheLocalIntf'];
$query = 'SELECT * FROM `ports` WHERE (`ifName` = ? OR `ifDescr` = ? OR `port_label_short` = ?) AND `device_id` = ? AND `deleted` = ?';
$port = dbFetchRow($query, array($if, $if, $if, $device['device_id'], 0));
}
// Remote Hostname
list($isdp['agentIsdpCacheDeviceId']) = explode('(', $isdp['agentIsdpCacheDeviceId']); // Fix for Nexus ISDP neighbors: <hostname>(serial number)
$remote_hostname = trim($isdp['agentIsdpCacheDeviceId']);
// Remote address
$remote_address = hex2ip($isdp['agentIsdpCacheAddress']);
// Last change
$last_change = timeticks_to_sec($isdp['agentIsdpCacheLastChange']);
if ($last_change > 0)
{
$last_change = get_time() - $last_change;
}
// Try find remote device and check if already cached
$remote_device_id = get_autodiscovery_device_id($device, $remote_hostname, $remote_address);
if (is_null($remote_device_id) && // NULL - never cached in other rounds
check_autodiscovery($remote_hostname, $remote_address)) // Check all previous autodiscovery rounds
{
// Neighbour never checked, try autodiscovery
$remote_device_id = autodiscovery_device($remote_hostname, $remote_address, 'ISDP', $isdp['agentIsdpCachePlatform'], $device, $port);
}
$remote_port_id = NULL;
$if = $isdp['agentIsdpCacheDevicePort'];
if ($remote_device_id)
{
$query = 'SELECT `port_id` FROM `ports` WHERE (`ifName` = ? OR `ifDescr` = ? OR `port_label_short` = ?) AND `device_id` = ? AND `deleted` = ?';
$remote_port_id = dbFetchCell($query, array($if, $if, $if, $remote_device_id, 0));
if (!$remote_port_id)
{
// Try by IP
$peer_where = generate_query_values($remote_device_id, 'device_id'); // Additional filter for include self IPs
// Fetch all ports with peer IP and filter by UP
if ($ids = get_entity_ids_ip_by_network('port', $remote_address, $peer_where))
{
$remote_port_id = $ids[0];
//$port = get_port_by_id_cache($ids[0]);
}
}
}
$neighbour = [
'remote_port_id' => $remote_port_id,
'remote_hostname' => $remote_hostname,
'remote_port' => $isdp['agentIsdpCacheDevicePort'],
'remote_platform' => $isdp['agentIsdpCachePlatform'],
'remote_version' => $isdp['agentIsdpCacheVersion'],
'remote_address' => $remote_address,
'last_change' => $last_change
];
discover_neighbour($port, 'isdp', $neighbour);
}
}
}
// EOF