Add some rrd realted functions in a seperate file

1 files changed, 124 insertions, 0 deletions

diff --git a/etc/inc/rrd.inc b/etc/inc/rrd.inc
new file mode 100644
index 0000000..08a9267
--- /dev/null
+++ b/etc/inc/rrd.inc
@@ -0,0 +1,124 @@
+<?php
+/* $Id$ */
+/*
+  Copyright (C) 2008 Seth Mos
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+
+  2. Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+  AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+  AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+  OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+  POSSIBILITY OF SUCH DAMAGE.
+
+  */
+
+/* include all configuration functions */
+require_once("functions.inc");
+require_once("pkg-utils.inc");
+require_once("notices.inc");
+require_once("globals.inc");
+
+function dump_rrd_to_xml($rrddatabase, $xmldumpfile) {
+	global $rrdtool;
+	exec("rm {$xmldumpfile}");
+	exec("$rrdtool dump {$rrddatabase} {$xmldumpfile} 2>&1", $dumpout, $dumpret);
+	if ($dumpret <> 0) {
+		$dumpout = implode(" ", $dumpout);
+		echo "RRD dump failed exited with $dumpret, the error is: $dumpout\n";
+	}
+	return($dumpret);
+}
+
+function create_new_rrd($rrdcreatecmd) {
+	$rrdcreateoutput = array();
+	$rrdcreatereturn = 0;
+
+	exec("$rrdcreatecmd 2>&1", $rrdcreateoutput, $rrdcreatereturn);
+	if ($rrdcreatereturn <> 0) {
+		$rrdcreateoutput = implode(" ", $rrdcreateoutput);
+		echo "RRD create failed exited with $rrdcreatereturn, the error is: $rrdcreateoutput\n";
+	}
+	return $rrdcreatereturn;
+}
+
+function migrate_rrd_format($rrdoldxml, $rrdnewxml) {
+	$numrraold = count($rrdoldxml['rra']);
+	$numdsold = count($rrdoldxml['ds']);
+	$numrranew = count($rrdnewxml['rra']);
+	$numdsnew = count($rrdnewxml['ds']);
+	echo "\nStart merging databases\n\n";
+	echo "old rrd had $numdsold ds values and $numrraold rra databases \n";
+	echo "new rrd has $numdsnew ds values and $numrranew rra databases \n";
+	
+	/* add data sources not found in the old array from the new array */
+	$i = 0;
+	foreach($rrdnewxml['ds'] as $ds) {
+		if(!is_array($rrdoldxml['ds'][$i])) {
+			$rrdoldxml['ds'][$i] = $rrdnewxml['ds'][$i];
+		}
+		$i++;
+	}
+
+	$i = 0;
+	$rracountold = count($rrdoldxml['rra']);
+	$rracountnew = count($rrdnewxml['rra']);
+	/* process each RRA, which contain a database */
+	foreach($rrdnewxml['rra'] as $rra) {
+		if(!is_array($rrdoldxml['rra'][$i])) {
+			$rrdoldxml['rra'][$i] = $rrdnewxml['rra'][$i];
+		}
+
+		$d = 0;
+		/* process cdp_prep */
+		$cdp_prep = $rra['cdp_prep'];
+		foreach($cdp_prep['ds'] as $ds) {
+			if(!is_array($rrdoldxml['rra'][$i]['cdp_prep']['ds'][$d])) {
+				$rrdoldxml['rra'][$i]['cdp_prep']['ds'][$d] = $rrdnewxml['rra'][$i]['cdp_prep']['ds'][$d];
+			}
+			$d++;
+		}
+
+		/* process database */
+		$rows = $rra['database'];
+		$k = 0;
+		$rowcountold = count($rrdoldxml['rra'][$i]['database']['row']);
+		$rowcountnew = count($rrdnewxml['rra'][$i]['database']['row']);
+		/* now foreach the rows in the database */
+		foreach($rows['row'] as $row) {
+			if(!is_array($rrdoldxml['rra'][$i]['database']['row'][$k])) {
+				$rrdoldxml['rra'][$i]['database']['row'][$k] = $rrdnewxml['rra'][$i]['database']['row'][$k];
+			}
+			$m = 0;
+			$vcountold = count($rrdoldxml['rra'][$i]['database']['row'][$k]['v']);
+			$vcountnew = count($rrdnewxml['rra'][$i]['database']['row'][$k]['v']);
+			foreach($row['v'] as $value) {
+				if(empty($rrdoldxml['rra'][$i]['database']['row'][$k]['v'][$m])) {
+					$rrdoldxml['rra'][$i]['database']['row'][$k]['v'][$m] = $rrdnewxml['rra'][$i]['database']['row'][$k]['v'][$m];
+				}
+				$m++;
+			}
+			$k++;
+		}
+		$i++;
+	}
+
+	$numrranew = count($rrdoldxml['rra']);
+	$numdsnew = count($rrdoldxml['ds']);
+	return $rrdoldxml;
+}
+