Files
inverter/create_rrd.php

79 lines
2.3 KiB
PHP
Executable File

#!/usr/local/bin/php
<?php
require_once 'rrd.php';
$sDataDirectory = 'data';
$aRRDFiles = array(
'inverter.rrd' => array(5, '
DS:TEMP:GAUGE:120:U:U
DS:VPV:GAUGE:120:U:U
DS:IAC:GAUGE:120:U:U
DS:VAC:GAUGE:120:U:U
DS:FAC:GAUGE:120:U:U
DS:PAC:GAUGE:120:0:U
DS:ETOTAL:GAUGE:120:0:U
DS:ETODAY:GAUGE:120:0:U
RRA:MIN:0.5:1:720
RRA:MIN:0.5:17:1017
RRA:MIN:0.5:120:1008
RRA:MIN:0.5:535:1002
RRA:MIN:0.5:6324:1001
RRA:MAX:0.5:1:720
RRA:MAX:0.5:17:1017
RRA:MAX:0.5:120:1008
RRA:MAX:0.5:535:1002
RRA:MAX:0.5:6324:1001
RRA:AVERAGE:0.5:1:720
RRA:AVERAGE:0.5:17:1017
RRA:AVERAGE:0.5:120:1008
RRA:AVERAGE:0.5:535:1002
RRA:AVERAGE:0.5:6324:1001'),
'today.rrd' => array(5, '
DS:PAC:GAUGE:120:0:U
DS:ETODAY:GAUGE:120:0:U
RRA:AVERAGE:0.5:1:17280'));
$bFirst = true;
$aRRDKeys = array();
$i = 0;
foreach (glob($sDataDirectory . '/*.csv') as $sFile) {
/* Extract header from csv file */
$aData = explode("\n", trim(file_get_contents($sFile)));
$sHeader = array_shift($aData);
if ($bFirst) {
$aHeader = array_flip(explode(',', $sHeader));
foreach ($aRRDFiles as $sFile => $aRRD) {
/* Determine fields to update in RRD database */
$sContents = $aRRD[1];
preg_match_all('~DS:([^:]+):~', $sContents, $aMatches);
$aKeys = array();
foreach ($aMatches[1] as $sField) {
$aKeys[] = $aHeader[$sField] - 1;
}
$aRRDKeys[$sFile] = array_flip($aKeys);
}
}
foreach ($aData as $sEntry) {
$aValues = array_slice(explode(',', $sEntry), 1, 12);
$iTime = $aValues[0];
if ($bFirst) {
foreach ($aRRDFiles as $sFile => $aRRD) {
/* Create RRD database */
$iStep = $aRRD[0];
$iStart = $iTime - 1;
$sContents = $aRRD[1];
RRD::create($sFile, $iStep, $iStart, $sContents);
}
$bFirst = false;
}
++$i;
foreach ($aRRDFiles as $sFile => $aRRD) {
/* Update relevant fields in RRD database */
$aValues = array_intersect_key($aValues, $aRRDKeys[$sFile]);
RRD::update($sFile, $iTime, $aValues);
}
}
}