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librenms-librenms/includes/discovery/cisco-cbqos.inc.php

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<?php
/*
* LibreNMS module to capture Cisco Class-Based QoS Details
*
* Copyright (c) 2015 Aaron Daniels <aaron@daniels.id.au>
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version. Please see LICENSE.txt at the top level of
* the source code distribution for details.
*/
if ($device['os_group'] == 'cisco') {
$MODULE = 'Cisco-CBQOS';
echo $MODULE.': ';
require_once 'includes/component.php';
$COMPONENT = new component();
$COMPONENTS = $COMPONENT->getComponents($device['device_id'],array('type'=>$MODULE));
// We only care about our device id.
$COMPONENTS = $COMPONENTS[$device['device_id']];
// Begin our master array, all other values will be processed into this array.
$tblCBQOS = array();
// Let's gather some data..
$tblcbQosServicePolicy = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.166.1.1');
$tblcbQosObjects = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.166.1.5', 2);
$tblcbQosPolicyMapCfg = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.166.1.6');
$tblcbQosClassMapCfg = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.166.1.7');
$tblcbQosMatchStmtCfg = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.166.1.8');
/*
* False == no object found - this is not an error, there is no QOS configured
* null == timeout or something else that caused an error, there may be QOS configured but we couldn't get it.
*/
if ( is_null($tblcbQosServicePolicy) || is_null($tblcbQosObjects) || is_null($tblcbQosPolicyMapCfg) || is_null($tblcbQosClassMapCfg) || is_null($tblcbQosMatchStmtCfg) ) {
// We have to error here or we will end up deleting all our QoS components.
echo "Error\n";
}
else {
// No Error, lets process things.
d_echo("QoS Objects Found:\n");
foreach ($tblcbQosObjects['1.3.6.1.4.1.9.9.166.1.5.1.1.2'] as $spid => $array) {
foreach ($array as $spobj => $index) {
$RESULT = array();
// Produce a unique reproducible index for this entry.
$RESULT['UID'] = hash('crc32', $spid."-".$spobj);
// Now that we have a valid identifiers, lets add some more data
$RESULT['sp-id'] = $spid;
$RESULT['sp-obj'] = $spobj;
// Add the Type, Policy-map, Class-map, etc.
$type = $tblcbQosObjects['1.3.6.1.4.1.9.9.166.1.5.1.1.3'][$spid][$spobj];
$RESULT['qos-type'] = $type;
// Add the Parent, this lets us work out our hierarchy for display later.
$RESULT['parent'] = $tblcbQosObjects['1.3.6.1.4.1.9.9.166.1.5.1.1.4'][$spid][$spobj];
$RESULT['direction'] = $tblcbQosServicePolicy['1.3.6.1.4.1.9.9.166.1.1.1.1.3'][$spid];
$RESULT['ifindex'] = $tblcbQosServicePolicy['1.3.6.1.4.1.9.9.166.1.1.1.1.4'][$spid];
// Gather different data depending on the type.
switch ($type) {
case 1:
// Policy-map, get data from that table.
d_echo("\nIndex: ".$index."\n");
d_echo(" UID: ".$RESULT['UID']."\n");
d_echo(" SPID.SPOBJ: ".$RESULT['sp-id'].".".$RESULT['sp-obj']."\n");
d_echo(" If-Index: ".$RESULT['ifindex']."\n");
d_echo(" Type: 1 - Policy-Map\n");
$RESULT['label'] = $tblcbQosPolicyMapCfg['1.3.6.1.4.1.9.9.166.1.6.1.1.1'][$index];
if ($tblcbQosPolicyMapCfg['1.3.6.1.4.1.9.9.166.1.6.1.1.2'][$index] != "") {
$RESULT['label'] .= " - ".$tblcbQosPolicyMapCfg['1.3.6.1.4.1.9.9.166.1.6.1.1.2'][$index];
}
d_echo(" Label: ".$RESULT['label']."\n");
break;
case 2:
// Class-map, get data from that table.
d_echo("\nIndex: ".$index."\n");
d_echo(" UID: ".$RESULT['UID']."\n");
d_echo(" SPID.SPOBJ: ".$RESULT['sp-id'].".".$RESULT['sp-obj']."\n");
d_echo(" If-Index: ".$RESULT['ifindex']."\n");
d_echo(" Type: 2 - Class-Map\n");
$RESULT['label'] = $tblcbQosClassMapCfg['1.3.6.1.4.1.9.9.166.1.7.1.1.1'][$index];
if($tblcbQosClassMapCfg['1.3.6.1.4.1.9.9.166.1.7.1.1.2'][$index] != "") {
$RESULT['label'] .= " - ".$tblcbQosClassMapCfg['1.3.6.1.4.1.9.9.166.1.7.1.1.2'][$index];
}
d_echo(" Label: ".$RESULT['label']."\n");
if ($tblcbQosClassMapCfg['1.3.6.1.4.1.9.9.166.1.7.1.1.3'][$index] == 2) {
$RESULT['map-type'] = 'Match-All';
}
elseif ($tblcbQosClassMapCfg['1.3.6.1.4.1.9.9.166.1.7.1.1.3'][$index] == 3) {
$RESULT['map-type'] = 'Match-Any';
}
else {
$RESULT['map-type'] = 'None';
}
// Find a child, this will be a type 3
foreach ($tblcbQosObjects['1.3.6.1.4.1.9.9.166.1.5.1.1.4'][$spid] as $ID => $VALUE) {
if ($VALUE == $RESULT['sp-obj']) {
// We have our child, import the match
if ($tblcbQosObjects['1.3.6.1.4.1.9.9.166.1.5.1.1.3'][$spid][$ID] == 3) {
$RESULT['match'] = $RESULT['map-type'].": ".$tblcbQosMatchStmtCfg['1.3.6.1.4.1.9.9.166.1.8.1.1.1'][$tblcbQosObjects['1.3.6.1.4.1.9.9.166.1.5.1.1.2'][$spid][$ID]];
d_echo(" Match: ".$RESULT['match']."\n");
}
}
}
break;
default:
continue 2;
}
$tblCBQOS[] = $RESULT;
}
}
/*
* Ok, we have our 2 array's (Components and SNMP) now we need
* to compare and see what needs to be added/updated.
*
* Let's loop over the SNMP data to see if we need to ADD or UPDATE any components.
*/
foreach ($tblCBQOS as $key => $array) {
$COMPONENT_KEY = false;
// Loop over our components to determine if the component exists, or we need to add it.
foreach ($COMPONENTS as $COMPID => $CHILD) {
if ($CHILD['UID'] === $array['UID']) {
$COMPONENT_KEY = $COMPID;
}
}
if (!$COMPONENT_KEY) {
// The component doesn't exist, we need to ADD it - ADD.
$NEW_COMPONENT = $COMPONENT->createComponent($device['device_id'],$MODULE);
$COMPONENT_KEY = key($NEW_COMPONENT);
$COMPONENTS[$COMPONENT_KEY] = array_merge($NEW_COMPONENT[$COMPONENT_KEY], $array);
echo "+";
}
else {
// The component does exist, merge the details in - UPDATE.
$COMPONENTS[$COMPONENT_KEY] = array_merge($COMPONENTS[$COMPONENT_KEY], $array);
echo ".";
}
}
/*
* Loop over the Component data to see if we need to DELETE any components.
*/
foreach ($COMPONENTS as $key => $array) {
// Guilty until proven innocent
$FOUND = false;
foreach ($tblCBQOS as $k => $v) {
if ($array['UID'] == $v['UID']) {
// Yay, we found it...
$FOUND = true;
}
}
if ($FOUND === false) {
// The component has not been found. we should delete it.
echo "-";
$COMPONENT->deleteComponent($key);
}
}
// Write the Components back to the DB.
$COMPONENT->setComponentPrefs($device['device_id'],$COMPONENTS);
echo "\n";
} // End if not error
}