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250 lines
11 KiB
PHP
250 lines
11 KiB
PHP
<?php
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/*
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* LibreNMS module to capture Cisco OTV Details
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*
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* Copyright (c) 2015 Aaron Daniels <aaron@daniels.id.au>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version. Please see LICENSE.txt at the top level of
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* the source code distribution for details.
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*/
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if ($device['os_group'] == 'cisco') {
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// Define some error messages
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$error_vpn = array();
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$error_vpn[0] = "Other";
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$error_vpn[1] = "Configuration changed";
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$error_vpn[2] = "Control Group information is unavailable";
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$error_vpn[3] = "Data Group range information is unavailable";
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$error_vpn[4] = "Join or Source interface information is unavailable";
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$error_vpn[5] = "VPN name is unavailable";
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$error_vpn[6] = "IP address is missing for Join Interface";
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$error_vpn[7] = "Join Interface is down";
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$error_vpn[8] = "Overlay is administratively shutdown";
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$error_vpn[9] = "Overlay is in delete hold down phase";
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$error_vpn[10] = "VPN is reinitializing";
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$error_vpn[11] = "Site ID information is unavailable";
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$error_vpn[12] = "Site ID mismatch has occurred";
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$error_vpn[13] = "IP address is missing for Source Interface";
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$error_vpn[14] = "Source interface is down";
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$error_vpn[15] = "Changing site identifier";
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$error_vpn[16] = "Changing control group";
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$error_vpn[17] = "Device ID information is unavailable";
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$error_vpn[18] = "Changing device ID";
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$error_vpn[19] = "Cleanup in progress";
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$error_aed = array();
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$error_aed[0] = "Other";
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$error_aed[1] = "Overlay is Down";
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$error_aed[2] = "Site ID is not configured";
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$error_aed[3] = "Site ID mismatch";
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$error_aed[4] = "Version mismatch";
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$error_aed[5] = "Site VLAN is Down";
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$error_aed[6] = "No extended VLAN is operationally up";
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$error_aed[7] = "No Overlay Adjacency is up";
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$error_aed[8] = "LSPDB sync incomplete";
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$error_aed[9] = "Overlay state down event in progress";
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$error_aed[10] = "ISIS control group sync pending";
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$error_overlay = array();
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$error_overlay[1] = "active";
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$error_overlay[2] = "notInService";
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$error_overlay[3] = "notReady";
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$error_overlay[4] = "createAndGo";
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$error_overlay[5] = "createAndWait";
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$error_overlay[6] = "destroy";
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$module = 'Cisco-OTV';
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$component = new LibreNMS\Component();
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$components = $component->getComponents($device['device_id'], array('type'=>$module));
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// We only care about our device id.
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$components = $components[$device['device_id']];
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// Begin our master array, all other values will be processed into this array.
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$tblOTV = array();
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$tblEndpoints = array();
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// Let's gather some data..
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$tblOverlayEntry = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.810.1.2.1.1');
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$tblAdjacencyDatabaseEntry = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.810.1.3.1.1', 0);
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$tblAdjacentDevName = snmpwalk_array_num($device, '.1.3.6.1.4.1.9.9.810.1.3.1.1.4', 0);
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/*
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* False == no object found - this is not an error, there is no QOS configured
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* null == timeout or something else that caused an error, there may be QOS configured but we couldn't get it.
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*/
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if (is_null($tblOverlayEntry) || is_null($tblAdjacencyDatabaseEntry) || is_null($tblAdjacentDevName)) {
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// We have to error here or we will end up deleting all our components.
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echo "Error\n";
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} else {
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// No Error, lets process things.
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// Add each overlay to the array.
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foreach ($tblOverlayEntry['1.3.6.1.4.1.9.9.810.1.2.1.1.2'] as $index => $name) {
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$result = array();
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$message = false;
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$result['index'] = $index;
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$result['label'] = $name;
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if ($tblOverlayEntry['1.3.6.1.4.1.9.9.810.1.2.1.1.15'][$index] == 1) {
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$result['transport'] = 'Multicast';
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} else {
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$result['transport'] = 'Unicast';
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}
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$result['otvtype'] = 'overlay';
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$result['UID'] = $result['otvtype']."-".$result['index'];
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$result['vpn_state'] = $tblOverlayEntry['1.3.6.1.4.1.9.9.810.1.2.1.1.3'][$index];
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if ($result['vpn_state'] != 2) {
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$message .= "VPN Down: ".$error_vpn[$tblOverlayEntry['1.3.6.1.4.1.9.9.810.1.2.1.1.4'][$index]]."\n";
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}
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$result['aed_state'] = $tblOverlayEntry['1.3.6.1.4.1.9.9.810.1.2.1.1.13'][$index];
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if ($result['aed_state'] == 2) {
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$message .= "AED Down: ".$error_aed[$tblOverlayEntry['1.3.6.1.4.1.9.9.810.1.2.1.1.14'][$index]]."\n";
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}
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$result['overlay_state'] = $tblOverlayEntry['1.3.6.1.4.1.9.9.810.1.2.1.1.23'][$index];
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if ($result['overlay_state'] == 2) {
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$message .= "Overlay Down: ".$error_overlay[$tblOverlayEntry['1.3.6.1.4.1.9.9.810.1.2.1.1.24'][$index]]."\n";
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}
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// If we have set a message, we have an error, activate alert.
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if ($message !== false) {
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$result['error'] = $message;
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$result['status'] = 2;
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} else {
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$result['error'] = "";
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$result['status'] = 0;
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}
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// Let's log some debugging
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d_echo("\n\nOverlay: ".$result['label']."\n");
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d_echo(" Index: ".$result['index']."\n");
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d_echo(" UID: ".$result['UID']."\n");
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d_echo(" Transport: ".$result['transport']."\n");
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d_echo(" Type: ".$result['otvtype']."\n");
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d_echo(" Status: ".$result['status']."\n");
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d_echo(" Message: ".$result['error']."\n");
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// Add the result to the parent array.
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$tblOTV[] = $result;
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}
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// Add each adjacency to the array.
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foreach ($tblAdjacentDevName as $key => $value) {
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preg_match('/^1.3.6.1.4.1.9.9.810.1.3.1.1.4.(\d+).1.4.(\d+.\d+.\d+.\d+)$/', $key, $matches);
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$result = array();
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$result['index'] = $matches[1];
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$result['endpoint'] = $matches[2];
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$tblEndpoints[$value] = true;
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$result['otvtype'] = 'adjacency';
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$result['UID'] = $result['otvtype']."-".$result['index']."-".str_replace(' ', '', $tblAdjacencyDatabaseEntry['1.3.6.1.4.1.9.9.810.1.3.1.1.3.'.$result['index'].'.1.4.'.$result['endpoint']]);
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$result['uptime'] = $tblAdjacencyDatabaseEntry['1.3.6.1.4.1.9.9.810.1.3.1.1.6.'.$result['index'].'.1.4.'.$result['endpoint']];
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$message = false;
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if ($tblAdjacencyDatabaseEntry['1.3.6.1.4.1.9.9.810.1.3.1.1.5.'.$result['index'].'.1.4.'.$result['endpoint']] != 1) {
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$message .= "Adjacency is Down\n";
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}
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// If we have set a message, we have an error, activate alert.
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if ($message !== false) {
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$result['error'] = $message;
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$result['status'] = 1;
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} else {
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$result['error'] = "";
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$result['status'] = 0;
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}
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// Set a default name, if for some unknown reason we cant find the parent VPN.
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$result['label'] = "Unknown (".$result['index'].") - ".$value;
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// We need to search the existing array to build the name
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foreach ($tblOTV as $item) {
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if (($item['otvtype'] == 'overlay') && ($item['index'] == $result['index'])) {
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$result['label'] = $item['label']." - ".$value;
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}
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}
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// Let's log some debugging
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d_echo("\n\nAdjacency: ".$result['label']."\n");
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d_echo(" Endpoint: ".$result['endpoint']."\n");
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d_echo(" Index: ".$result['index']."\n");
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d_echo(" UID: ".$result['UID']."\n");
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d_echo(" Status: ".$result['status']."\n");
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d_echo(" Message: ".$result['error']."\n");
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// Add the result to the parent array.
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$tblOTV[] = $result;
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}
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// We retain a list of all endpoints to tie the RRD to.
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foreach ($tblEndpoints as $k => $v) {
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$result['label'] = "Endpoint: ".$k;
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$result['otvtype'] = 'endpoint';
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$result['endpoint'] = $k;
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$result['UID'] = $result['otvtype']."-".$k;
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// Let's log some debugging
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d_echo("\n\nEndpoint: ".$result['label']."\n");
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d_echo(" UID: ".$result['UID']."\n");
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d_echo(" Type: ".$result['otvtype']."\n");
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// Add the result to the parent array.
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$tblOTV[] = $result;
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}
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/*
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* Ok, we have our 2 array's (Components and SNMP) now we need
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* to compare and see what needs to be added/updated.
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*
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* Let's loop over the SNMP data to see if we need to ADD or UPDATE any components.
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*/
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foreach ($tblOTV as $key => $array) {
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$component_key = false;
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// Loop over our components to determine if the component exists, or we need to add it.
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foreach ($components as $compid => $child) {
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if ($child['UID'] === $array['UID']) {
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$component_key = $compid;
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}
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}
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if (!$component_key) {
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// The component doesn't exist, we need to ADD it - ADD.
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$new_component = $component->createComponent($device['device_id'], $module);
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$component_key = key($new_component);
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$components[$component_key] = array_merge($new_component[$component_key], $array);
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echo "+";
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} else {
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// The component does exist, merge the details in - UPDATE.
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$components[$component_key] = array_merge($components[$component_key], $array);
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echo ".";
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}
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}
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/*
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* Loop over the Component data to see if we need to DELETE any components.
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*/
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foreach ($components as $key => $array) {
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// Guilty until proven innocent
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$found = false;
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foreach ($tblOTV as $k => $v) {
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if ($array['UID'] == $v['UID']) {
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// Yay, we found it...
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$found = true;
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}
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}
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if ($found === false) {
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// The component has not been found. we should delete it.
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echo "-";
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$component->deleteComponent($key);
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}
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}
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// Write the Components back to the DB.
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$component->setComponentPrefs($device['device_id'], $components);
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echo "\n";
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} // End if not error
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}
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