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4 | daniel-mar | 1 | <?php /* <ViaThinkSoftSignature> |
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23 | Q== |
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4 | daniel-mar | 24 | </ViaThinkSoftSignature> */ ?> |
2 | daniel-mar | 25 | <?php |
26 | |||
27 | /* |
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28 | * VNag - Nagios Framework for PHP |
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29 | * Developed by Daniel Marschall, ViaThinkSoft <www.viathinksoft.com> |
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30 | * Licensed under the terms of the Apache 2.0 license |
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31 | * |
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32 | * Revision 2018-07-19 |
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33 | */ |
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34 | |||
35 | # IMPORTANT |
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36 | # The log files have to be named YYYY_MM_DD_HH.log and need to be cleared (zeroed) every hour and dumped at least every hour (every minute is also possible) |
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37 | # Please see the file INSTALL |
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38 | |||
39 | # --- |
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40 | |||
41 | # TODO: trennen zwischen server (ip1, ip2) ermöglichen... |
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42 | # TODO: prüfen lassen ob die config von ipfm korrekt ist (dumped every 1 hour) |
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43 | # TODO: monat vor/zurückscrollen? (mon/year) |
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44 | # TODO: anstelle "year .... overview" lieber "last 12 months" |
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45 | # TODO: Some hosts might reset the traffic counter at any other day of the month. Should we also support this? |
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46 | |||
47 | # --- |
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48 | |||
49 | declare(ticks=1); |
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50 | |||
51 | # Attention: This constant must be a valid Nagios UOM! |
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52 | # TODO: Make it configurable via command line? Should we use the UOM from the w/c/l arguments? |
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53 | define('OUTPUT_UOM', 'GB'); |
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54 | |||
55 | # --- |
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56 | |||
57 | class IpFlowMonitorCheck extends VNag { |
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58 | protected $argLogDir = null; |
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59 | protected $argLimit = null; |
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60 | |||
61 | public function __construct() { |
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62 | parent::__construct(); |
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63 | |||
64 | $this->registerExpectedStandardArguments('Vhtwc'); |
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65 | |||
66 | $this->getHelpManager()->setPluginName('check_ipfm'); |
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67 | $this->getHelpManager()->setVersion('1.0'); |
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68 | $this->getHelpManager()->setShortDescription('This plugin checks the network traffic monitored by ipfm.'); |
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69 | $this->getHelpManager()->setCopyright('Copyright (C) 2011-$CURYEAR$ Daniel Marschall, ViaThinkSoft.'); |
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70 | $this->getHelpManager()->setSyntax('$SCRIPTNAME$ [-w currentGB[,expectedGB]] [-c currentGB[,expectedGB]] [-l limitGB] [-L path]'); |
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71 | $this->getHelpManager()->setFootNotes('If you encounter bugs, please contact ViaThinkSoft at www.viathinksoft.com'); |
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72 | |||
73 | // This is the amount of traffic which is free. Every byte above this limit will cost additional money. |
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74 | // You should therefore set your warning and critical limit below this limit. |
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75 | // Don't set this argument if you have an unlimited connection. |
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76 | // This value is only for visual output. It does not influence the OK/Warning/Critial result. |
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77 | $this->addExpectedArgument($this->argLimit = new VNagArgument('l', 'limit', VNagArgument::VALUE_REQUIRED, 'limit', '"Traffic inclusive" limit (e.g. 10TB)', null)); |
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78 | |||
79 | $this->addExpectedArgument($this->argLogDir = new VNagArgument('L', 'logdir', VNagArgument::VALUE_REQUIRED, 'path', 'Location of the ipfm log dir (Default: /var/log/ipfm)', '/var/log/ipfm')); |
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80 | |||
52 | daniel-mar | 81 | # $this->warningSingleValueRangeBehaviors[0] = self::SINGLEVALUE_RANGE_VAL_GT_X_BAD; |
82 | # $this->warningSingleValueRangeBehaviors[1] = self::SINGLEVALUE_RANGE_VAL_GT_X_BAD; |
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83 | # $this->criticalSingleValueRangeBehaviors[0] = self::SINGLEVALUE_RANGE_VAL_GT_X_BAD; |
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84 | # $this->criticalSingleValueRangeBehaviors[1] = self::SINGLEVALUE_RANGE_VAL_GT_X_BAD; |
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2 | daniel-mar | 85 | } |
86 | |||
87 | protected function interprete_ipfm_logfile($logfile) { |
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88 | $res = array(); |
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89 | |||
90 | $ary = file($logfile); |
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91 | foreach ($ary as $a) { |
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92 | $a = trim($a); |
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93 | if ($a == '') continue; |
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94 | if (substr($a, 0, 1) == '#') continue; |
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95 | $a = preg_replace("|\s+|ism", ' ', $a); |
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96 | $bry = explode(' ', $a); |
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97 | $res[$bry[0]] = array($bry[1], $bry[2], $bry[3]); |
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98 | } |
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99 | |||
100 | return $res; |
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101 | } |
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102 | |||
103 | protected function cbRun($optional_args=array()) { |
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104 | if (!defined('USE_DYGRAPH')) define('USE_DYGRAPH', false); |
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105 | |||
106 | $logDir = $this->argLogDir->getValue(); |
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107 | if (!is_dir($logDir)) throw new Exception("Log dir $logDir not found"); |
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108 | |||
109 | $monthLimit = $this->argLimit->getValue(); |
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110 | if (!is_null($monthLimit)) { |
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111 | $p = (new VNagValueUomPair($monthLimit))->normalize(OUTPUT_UOM); |
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112 | $monthLimitValue = $p->getValue(); |
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113 | $monthLimitUom = $p->getUom(); |
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114 | } |
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115 | |||
116 | ob_start(); |
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117 | |||
118 | ?> |
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119 | |||
120 | <script type="text/javascript"> |
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121 | google.load("visualization", "1", {packages:['imageareachart', 'corechart']}); |
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122 | google.setOnLoadCallback(drawChart); |
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123 | function drawChart() { |
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124 | var data = new google.visualization.DataTable(); |
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125 | data.addColumn('string', 'Year'); |
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126 | data.addColumn('number', 'Total'); |
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127 | data.addColumn('number', 'In'); |
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128 | data.addRows([ |
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129 | |||
130 | <?php |
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131 | |||
132 | $day = date('d'); |
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133 | $mon = date('m'); |
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134 | $year = date('Y'); |
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135 | |||
136 | $didata = ''; |
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137 | $logfiles = glob($logDir.'/*.log'); |
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138 | sort($logfiles); |
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139 | |||
140 | $monthtotal[$year][$mon] = 0; |
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141 | $daystotal = array(); |
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142 | $max = 0; |
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143 | $first = true; |
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144 | foreach ($logfiles as $logfile) { |
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145 | $stat = $this->interprete_ipfm_logfile($logfile); |
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146 | |||
147 | $date = ''; |
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148 | if (preg_match('/^.*_00\.log$/', $logfile)) { |
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149 | preg_match('@(\d{4})_(\d{2})_(\d{2})@ismU', $logfile, $m); |
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150 | $t_day = $m[3]; |
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151 | $t_mon = $m[2]; |
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152 | $t_year = $m[1]; |
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153 | // $date = "$t_day.$t_mon.$t_year"; |
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154 | $date = $t_day; |
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155 | //} else if (preg_match('/^.*_(02|04|06|08|10|12|14|16|18|20|22)\.log$/', $logfile, $m)) { |
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156 | // $date = $m[1].':00'; |
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157 | } |
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158 | |||
159 | $in = $out = $total = 0; |
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160 | foreach ($stat as $s) { |
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161 | $in += $s[0]; |
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162 | $out += $s[1]; |
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163 | $total += $s[2]; |
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164 | } |
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165 | |||
166 | $in = (new VNagValueUomPair($in.'B'))->normalize(OUTPUT_UOM)->getValue(); |
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167 | $out = (new VNagValueUomPair($out.'B'))->normalize(OUTPUT_UOM)->getValue(); |
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168 | $total = (new VNagValueUomPair($total.'B'))->normalize(OUTPUT_UOM)->getValue(); |
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169 | |||
170 | if (preg_match('/^.*(\d{4})_(\d{2})_(\d{2})_(\d{2})\.log$/', $logfile, $m)) { |
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171 | $t_year = $m[1]; |
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172 | $t_mon = $m[2]; |
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173 | $t_day = $m[3]; |
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174 | $t_hour = $m[4]; |
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175 | if (isset($monthtotal[$t_year][$t_mon])) { |
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176 | $monthtotal[$t_year][$t_mon] += $total; |
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177 | } else { |
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178 | $monthtotal[$t_year][$t_mon] = $total; |
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179 | } |
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180 | |||
181 | if (($t_year == $year) && ($t_mon == $mon)) { |
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182 | if (isset($daystotal[$t_day])) { |
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183 | $daystotal[$t_day] += $total; |
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184 | } else { |
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185 | $daystotal[$t_day] = $total; |
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186 | } |
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187 | if (!$first) echo ","; else $first = false; |
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188 | echo "['$date', ".round($total,2).", ".round($in,2)."]\n"; |
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189 | $didata .= '"'.$t_year.'-'.$t_mon.'-'.$t_day.' '.$t_hour.':00:00,'.round($in,2).','.round($out,2).','.round($total,2).'\n" +'."\n"; |
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190 | } |
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191 | } |
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192 | |||
193 | if ($total > $max) $max = $total; |
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194 | } |
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195 | |||
29 | daniel-mar | 196 | $num_days_in_month = date('t', mktime(0, 0, 0, intval($mon), 1, intval($year))); |
2 | daniel-mar | 197 | $expected = $monthtotal[$year][$mon]/$day * $num_days_in_month; |
198 | |||
199 | ?> |
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200 | ]); |
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201 | |||
202 | var chart = new google.visualization.ImageAreaChart(document.getElementById('chart_div')); |
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203 | <?php if (!USE_DYGRAPH) { ?> |
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204 | chart.draw(data, {width: 800, height: 440, min: 0, max: <?php echo $max; ?>, title: 'Traffic in <?php echo $mon.'/'.$year; ?> [in <?php echo OUTPUT_UOM; ?>/h]'}); |
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205 | <?php } ?> |
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206 | |||
207 | // --- |
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208 | |||
209 | var data_month = new google.visualization.DataTable(); |
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210 | data_month.addColumn('string', 'Day'); |
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211 | data_month.addColumn('number', 'Total'); |
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212 | |||
213 | data_month.addRows([ |
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214 | <?php |
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215 | |||
216 | $first = true; |
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217 | foreach ($daystotal as $t_day => $traffic) { |
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218 | if (!$first) echo ","; else $first = false; |
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219 | echo "['$t_day.$mon.$year', ".round($traffic,2)."]\n"; |
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220 | } |
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221 | |||
222 | ?> |
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223 | ]); |
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224 | |||
225 | var options_month = { |
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226 | width: 800, height: 440, |
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227 | vAxis: { viewWindow: { min: 0 } }, |
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228 | title: 'Month overview for <?php echo $mon.'/'.$year; ?> [GiB]' |
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229 | }; |
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230 | |||
231 | var chart_month = new google.visualization.ColumnChart(document.getElementById('chart_div3')); |
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232 | chart_month.draw(data_month, options_month); |
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233 | |||
234 | // --- |
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235 | |||
236 | var data_year = new google.visualization.DataTable(); |
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237 | data_year.addColumn('string', 'Month/Year'); |
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238 | data_year.addColumn('number', 'Total'); |
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239 | |||
240 | data_year.addRows([ |
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241 | <?php |
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242 | |||
243 | ksort($monthtotal); // First sort by year |
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244 | |||
245 | $first = true; |
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246 | foreach ($monthtotal as $t_year => $x) { |
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247 | ksort($x); // Then sort by month |
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248 | foreach ($x as $t_mon => $traffic) { |
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249 | if ($t_year != $year) continue; // Only this year |
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250 | |||
251 | $date = "$t_mon/$t_year"; |
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252 | |||
253 | if (!$first) echo ","; else $first = false; |
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254 | echo "['$date', ".round($traffic,2)."]\n"; |
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255 | } |
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256 | echo ",['Expected in $mon/$year', $expected]\n"; |
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257 | } |
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258 | |||
259 | ?> |
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260 | ]); |
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261 | |||
262 | var options_year = { |
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263 | width: 800, height: 440, |
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264 | vAxis: { viewWindow: { min: 0 } }, |
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265 | title: 'Year <?php echo $year; ?> overview [GiB]' |
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266 | }; |
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267 | |||
268 | var chart_year = new google.visualization.ColumnChart(document.getElementById('chart_div2')); |
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269 | chart_year.draw(data_year, options_year); |
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270 | } |
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271 | |||
272 | </script> |
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273 | |||
274 | <?php if (USE_DYGRAPH) { ?> |
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275 | <script type="text/javascript"> |
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276 | g = new Dygraph( |
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277 | document.getElementById("graphdiv"), |
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278 | "Date,In,Out,Total\n" + |
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279 | <?php echo $didata; ?>"" |
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280 | ); |
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281 | </script> |
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282 | <?php } ?> |
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283 | |||
284 | <?php |
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285 | |||
286 | if (!is_null($monthLimit)) { |
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287 | echo "<p>Constraint: Max ".$monthLimitValue.' '.OUTPUT_UOM."/Month</p>"; |
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288 | } |
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289 | |||
290 | $current = $monthtotal[$year][$mon]; |
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291 | |||
292 | $fontcolor = 'green'; |
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293 | if ($this->checkAgainstCriticalRange($current.OUTPUT_UOM, false, true, 0)) $fontcolor = 'red'; |
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294 | if ($this->checkAgainstWarningRange($current.OUTPUT_UOM, false, true, 0)) $fontcolor = '#FF8000'; |
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295 | |||
296 | if (!is_null($monthLimit)) { |
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297 | echo "<p>This month ($mon/$year): <font color=\"$fontcolor\">".round($current,0)." ".OUTPUT_UOM." (".round($current/$monthLimitValue*100,2)."%)</font></p>"; |
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298 | } else { |
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299 | echo "<p>This month ($mon/$year): <font color=\"$fontcolor\">".round($current,0)." ".OUTPUT_UOM."</font></p>"; |
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300 | } |
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301 | |||
302 | $fontcolor = 'green'; |
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303 | if ($this->checkAgainstCriticalRange($expected.OUTPUT_UOM, false, true, 1)) $fontcolor = 'red'; |
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304 | if ($this->checkAgainstWarningRange($expected.OUTPUT_UOM, false, true, 1)) $fontcolor = '#FF8000'; |
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305 | |||
306 | if (!is_null($monthLimit)) { |
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307 | echo "<p>Expected for this month: <font color=\"$fontcolor\">".round($expected,0)." ".OUTPUT_UOM." (".round($expected/$monthLimitValue*100,2)."%)</font></p>"; |
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308 | } else { |
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309 | echo "<p>Expected for this month: <font color=\"$fontcolor\">".round($expected,0)." ".OUTPUT_UOM."</font></p>"; |
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310 | } |
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311 | |||
312 | ?> |
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313 | |||
314 | <div id="chart_div"></div> |
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315 | <div id="graphdiv"></div> |
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316 | <div id="chart_div3"></div> |
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317 | <div id="chart_div2"></div> |
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318 | |||
319 | <?php |
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320 | |||
321 | $html = ob_get_contents(); |
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322 | ob_end_clean(); |
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323 | |||
324 | $this->outputHTML($html, true); |
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325 | |||
326 | if (!is_null($monthLimit)) { |
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327 | // TODO: should we put a percentage at "expected"? or if it exceeds, should we show how much it would exceed? |
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39 | daniel-mar | 328 | // TODO: It would be good if the UOM for displaying would be automatically detected, e.g. 200 MB / 10 TB instead of 0 GB / 10240 GB |
2 | daniel-mar | 329 | $this->setHeadline(round($current,0).' '.OUTPUT_UOM." / ".$monthLimitValue.' '.OUTPUT_UOM." (".round($current/$monthLimitValue*100,2)."%, expected ".round($expected,0).' '.OUTPUT_UOM.") traffic used this month ($mon/$year)", true); |
330 | } else { |
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331 | $this->setHeadline(round($current,0).' '.OUTPUT_UOM." (expected ".round($expected,0).' '.OUTPUT_UOM.") traffic used this month ($mon/$year)", true); |
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332 | } |
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333 | |||
334 | $warn = is_null($this->getWarningRange(0)) ? null : $this->getWarningRange(0)->end->normalize(OUTPUT_UOM)->getValue(); |
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335 | $crit = is_null($this->getCriticalRange(0)) ? null : $this->getCriticalRange(0)->end->normalize(OUTPUT_UOM)->getValue(); |
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336 | $this->addPerformanceData(new VNagPerformanceData('Current', $current.OUTPUT_UOM, $warn, $crit, 0, is_null($monthLimit) ? null : $monthLimitValue)); |
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337 | |||
338 | $warn = is_null($this->getWarningRange(1)) ? null : $this->getWarningRange(1)->end->normalize(OUTPUT_UOM)->getValue(); |
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339 | $crit = is_null($this->getCriticalRange(1)) ? null : $this->getCriticalRange(1)->end->normalize(OUTPUT_UOM)->getValue(); |
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340 | $this->addPerformanceData(new VNagPerformanceData('Expected', $expected.OUTPUT_UOM, $warn, $crit, 0, is_null($monthLimit) ? null : $monthLimitValue)); |
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341 | } |
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342 | } |