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+<?php
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+
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+/*
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+ * Copyright (C) 2019 Alexander Marston ([email protected])
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ */
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+
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+class vnStat {
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+ protected $executablePath;
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+ protected $vnstatVersion;
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+ protected $vnstatJsonVersion;
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+ protected $vnstatData;
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+
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+ public function __construct ($executablePath) {
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+ if (isset($executablePath)) {
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+ $this->executablePath = $executablePath;
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+
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+ // Execute a command to output a json dump of the vnstat data
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+ $vnstatStream = popen("$this->executablePath --json", 'r');
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+
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+ // Is the stream valid?
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+ if (is_resource($vnstatStream)) {
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+ $streamBuffer = '';
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+
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+ while (!feof($vnstatStream)) {
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+ $streamBuffer .= fgets($vnstatStream);
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+ }
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+
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+ // Close the handle
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+ pclose($vnstatStream);
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+
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+ $this->processVnstatData($streamBuffer);
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+ } else {
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+
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+ }
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+
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+
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+ } else {
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+ die();
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+ }
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+ }
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+
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+ private function processVnstatData($vnstatJson) {
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+ $decodedJson = json_decode($vnstatJson, true);
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+
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+ // Check the JSON is valid
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+ if (json_last_error() != JSON_ERROR_NONE) {
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+ throw new Exception('JSON is invalid');
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+ }
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+
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+ $this->vnstatData = $decodedJson;
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+ $this->vnstatVersion = $decodedJson['vnstatversion'];
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+ $this->vnstatJsonVersion = $decodedJson['jsonversion'];
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+ }
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+
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+ public function getVnstatVersion() {
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+ return $this->vnstatVersion;
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+ }
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+
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+ public function getVnstatJsonVersion() {
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+ return $this->vnstatJsonVersion;
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+ }
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+
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+ public function getInterfaces() {
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+ // Create a placeholder array
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+ $vnstatInterfaces = [];
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+
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+ foreach($this->vnstatData['interfaces'] as $interface) {
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+ if ($this->vnstatJsonVersion == 1) {
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+ array_push($vnstatInterfaces, $interface['id']);
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+ } else {
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+ array_push($vnstatInterfaces, $interface['name']);
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+ }
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+ }
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+
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+ return $vnstatInterfaces;
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+ }
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+
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+ public function getInterfaceData($timeperiod, $type, $interface) {
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+ // If json version equals 1, add an 's' onto the end of each type.
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+ // e.g. 'top' becomes 'tops'
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+ $typeAppend = '';
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+ if ($this->vnstatJsonVersion == 1) {
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+ $typeAppend = 's';
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+ }
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+
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+ // Blank placeholder
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+ $trafficData = [];
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+ $i = -1;
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+
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+ // Get the array index for the chosen interface
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+ if ($this->vnstatJsonVersion == 1) {
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+ $arrayIndex = array_search($interface, array_column($this->vnstatData['interfaces'], 'id'));
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+ } else {
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+ $arrayIndex = array_search($interface, array_column($this->vnstatData['interfaces'], 'name'));
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+ }
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+
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+ if ($timeperiod == 'top10') {
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+ if ($type == 'table') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['top'.$typeAppend] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ $trafficData[$i]['label'] = date('d/m/Y', strtotime($traffic['date']['month'] . "/" . $traffic['date']['day'] . "/" . $traffic['date']['year']));;
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+ $trafficData[$i]['rx'] = formatSize($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = formatSize($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = formatSize(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ $trafficData[$i]['totalraw'] = ($traffic['rx'] + $traffic['tx']);
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+ }
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+ }
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+ }
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+ }
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+
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+ if (($this->vnstatJsonVersion > 1) && ($timeperiod == 'five')) {
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+ if ($type == 'table') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['fiveminute'] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ $trafficData[$i]['label'] = date("d/m/Y H:i", mktime($traffic['time']['hour'], $traffic['time']['minute'], 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']));
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+ $trafficData[$i]['time'] = mktime($traffic['time']['hour'], $traffic['time']['minute'], 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']);
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+ $trafficData[$i]['rx'] = formatSize($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = formatSize($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = formatSize(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ }
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+ }
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+ } else if ($type == 'graph') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['fiveminute'] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ $trafficData[$i]['label'] = sprintf("Date(%d, %d, %d, %d, %d)", $traffic['date']['year'], $traffic['date']['month']-1, $traffic['date']['day'], $traffic['time']['hour'], $traffic['time']['minute']);
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+ $trafficData[$i]['time'] = mktime($traffic['time']['hour'], $traffic['time']['minute'], 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']);
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+ $trafficData[$i]['rx'] = kibibytesToBytes($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = kibibytesToBytes($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = kibibytesToBytes(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ }
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+ }
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+ }
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+ }
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+
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+ if ($timeperiod == 'hourly') {
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+ if ($type == 'table') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['hour'.$typeAppend] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ if ($this->vnstatJsonVersion == 1) {
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+ $hour = $traffic['id'];
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+ } else {
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+ $hour = $traffic['time']['hour'];
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+ }
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+
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+ $trafficData[$i]['label'] = date("d/m/Y H:i", mktime($hour, 0, 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']));
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+ $trafficData[$i]['time'] = mktime($hour, 0, 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']);
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+ $trafficData[$i]['rx'] = formatSize($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = formatSize($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = formatSize(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ }
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+ }
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+
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+
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+ } else if ($type == 'graph') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['hour'.$typeAppend] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ if ($this->vnstatJsonVersion == 1) {
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+ $hour = $traffic['id'];
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+ } else {
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+ $hour = $traffic['time']['hour'];
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+ }
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+
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+ $trafficData[$i]['label'] = sprintf("Date(%d, %d, %d, %d)", $traffic['date']['year'], $traffic['date']['month']-1, $traffic['date']['day'], $hour);
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+ $trafficData[$i]['time'] = mktime($hour, 0, 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']);
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+ $trafficData[$i]['rx'] = kibibytesToBytes($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = kibibytesToBytes($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = kibibytesToBytes(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ }
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+ }
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+ }
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+ }
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+
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+ if ($timeperiod == 'daily') {
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+ if ($type == 'table') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['day'.$typeAppend] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ $trafficData[$i]['label'] = date('d/m/Y', mktime(0, 0, 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']));
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+ $trafficData[$i]['time'] = mktime(0, 0, 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']);
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+ $trafficData[$i]['rx'] = formatSize($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = formatSize($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = formatSize(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ }
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+ }
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+ } else if ($type == 'graph') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['day'.$typeAppend] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ $trafficData[$i]['label'] = sprintf("Date(%d, %d, %d)", $traffic['date']['year'], $traffic['date']['month']-1, $traffic['date']['day']);
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+ $trafficData[$i]['time'] = mktime(0, 0, 0, $traffic['date']['month'], $traffic['date']['day'], $traffic['date']['year']);
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+ $trafficData[$i]['rx'] = kibibytesToBytes($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = kibibytesToBytes($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = kibibytesToBytes(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ }
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+ }
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+ }
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+ }
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+
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+ if ($timeperiod == 'monthly') {
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+ if ($type == 'table') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['month'.$typeAppend] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ $trafficData[$i]['label'] = date('F Y', mktime(0, 0, 0, $traffic['date']['month'], 10, $traffic['date']['year']));
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+ $trafficData[$i]['time'] = mktime(0, 0, 0, $traffic['date']['month'], 10, $traffic['date']['year']);
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+ $trafficData[$i]['rx'] = formatSize($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = formatSize($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = formatSize(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ }
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+ }
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+ } else if ($type == 'graph') {
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+ foreach ($this->vnstatData['interfaces'][$arrayIndex]['traffic']['month'.$typeAppend] as $traffic) {
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+ if (is_array($traffic)) {
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+ $i++;
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+
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+ $trafficData[$i]['label'] = sprintf("Date(%d, %d, %d)", $traffic['date']['year'], $traffic['date']['month'] - 1, 10);
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+ $trafficData[$i]['time'] = mktime(0, 0, 0, $traffic['date']['month'], 10, $traffic['date']['year']);
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+ $trafficData[$i]['rx'] = kibibytesToBytes($traffic['rx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['tx'] = kibibytesToBytes($traffic['tx'], $this->vnstatJsonVersion);
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+ $trafficData[$i]['total'] = kibibytesToBytes(($traffic['rx'] + $traffic['tx']), $this->vnstatJsonVersion);
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+ }
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+ }
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+ }
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+ }
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+
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+ if ($timeperiod != 'top10') {
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+ usort($trafficData, 'sortingFunction');
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+ }
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+
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+ if ($type == 'graph') {
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+ // Get the largest value and then prefix (B, KB, MB, GB, etc)
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+ $trafficLargestValue = getLargestValue($trafficData);
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+ $trafficScale = getScale($trafficLargestValue);
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+ $trafficLargestPrefix = getLargestPrefix($trafficScale);
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+ $trafficBase = getBaseValue($trafficData, $trafficScale);
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+ if (($trafficBase < .0099) && ($trafficScale >= 1))
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+ {
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+ $trafficScale = $trafficScale - 1;
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+ $trafficLargestPrefix = getLargestPrefix($trafficScale);
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+ $trafficBase = getBaseValue($trafficData, $trafficScale);
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+ }
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+
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+ foreach($trafficData as &$value) {
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+ $value['rx'] = formatBytesTo($value['rx'], $trafficScale);
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+ $value['tx'] = formatBytesTo($value['tx'], $trafficScale);
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+ $value['total'] = formatBytesTo($value['total'], $trafficScale);
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ unset($value);
|
|
|
|
|
+ $trafficData[0]['delimiter'] = $trafficLargestPrefix;
|
|
|
|
|
+ $trafficData[0]['base'] = $trafficBase;
|
|
|
|
|
+ }
|
|
|
|
|
+
|
|
|
|
|
+ return $trafficData;
|
|
|
|
|
+ }
|
|
|
|
|
+}
|
|
|
|
|
+
|
|
|
|
|
+?>
|