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improve error output from grapher

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git-svn-id: http://www.observium.org/svn/observer/trunk@1607 61d68cd4-352d-0410-923a-c4978735b2b8
This commit is contained in:
Adam Amstrong
2010-08-01 17:25:44 +00:00
parent 419bd7721e
commit be578edb5c
1 changed files with 22 additions and 14 deletions
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36
html/includes/graphs/graph.inc.php
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@@ -74,12 +74,26 @@ if(is_file($config['install_dir'] . "/html/includes/graphs/$type/$subtype.inc.ph
}
}
function graph_error ($string) {
global $width, $height;
header('Content-type: image/png');
$im = imagecreate($width+75, $height);
$orange = imagecolorallocate($im, 255, 255, 255);
$px = (imagesx($im) - 7.5 * strlen($string)) / 2;
imagestring($im, 3, $px, $height / 2 - 8, $string, imagecolorallocate($im, 128, 0, 0));
imagepng($im);
imagedestroy($im);
}
if($auth)
if($auth)
{
if($no_file)
{
graph_error("Missing RRD");
} else {
if($rrd_options)
{
if($config['rrdcached']) { $rrd_switches = " --daemon ".$config['rrdcached'] . " "; }
$rrd_cmd = $config['rrdtool'] . " graph $graphfile $rrd_options" . $rrd_switches;
$woo = shell_exec($rrd_cmd);
@@ -92,21 +106,15 @@ if(is_file($config['install_dir'] . "/html/includes/graphs/$type/$subtype.inc.ph
$fd = fopen($graphfile,'r');fpassthru($fd);fclose($fd);
unlink($graphfile);
} else {
header('Content-type: image/png');
$string = "Graph Generation Error";
$im = imagecreate($width, $height);
$orange = imagecolorallocate($im, 255, 255, 255);
$px = (imagesx($im) - 7.5 * strlen($string)) / 2;
imagestring($im, 3, $px, $height / 2 - 8, $string, imagecolorallocate($im, 128, 0, 0));
imagepng($im);
imagedestroy($im);
graph_error("Drawing Error");
}
} else {
graph_error("Definition Error");
}
} else {
header('Content-type: image/png');
$fd = fopen($config['install_dir']."/html/images/no-48.png", "r");fpassthru($fd);fclose($fd);
}
} else {
graph_error("Unauthorized");
}
?>