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<?php
require_once '../init.php';
require_once BASE . '/lib/mysql.php';
$result = mysql_run_query(
'SELECT' .
' UNIX_TIMESTAMP(`ssh_log`.`date`) AS `date`,' .
'`ssh_log`.`duration`,' .
'`ssh_log`.`action`,' .
'`ssh_log`.`parameters`' .
' FROM `ssh_log`' .
' WHERE `ssh_log`.`duration` IS NOT NULL' .
' AND `ssh_log`.`action` != "ping-from-slave"' .
' AND `ssh_log`.`exit_code` = 0' .
' ORDER BY `ssh_log`.`date`'
);
$infos = array();
while ($row = $result -> fetch_assoc()) {
$info = array(
'date' => $row['date'],
'duration' => $row['duration'],
'action' => $row['action']
);
if ($row['action'] == 'return-assignment') {
if (substr($row['parameters'], -6) == ' ERROR')
$info['action'] .= ' ERROR';
elseif (substr($row['parameters'], -6) == ' ABORT')
$info['action'] .= ' ABORT';
else
$info['action'] .= ' SUCCESS';
}
$infos[] = $info;
}
foreach ($infos as $info)
$actions[$info['action']][] = array(
'date' => $info['date'],
'duration' => $info['duration']
);
foreach ($actions as $action)
foreach ($action as $event) {
if (isset($min_date)) {
$min_date = min($min_date, $event['date']);
$max_date = max($max_date, $event['date']);
$max_duration = max($max_duration, $event['duration']);
} else {
$min_date = $event['date'];
$max_date = $event['date'];
$max_duration = $event['duration'];
}
}
$width = 1600;
$height = 600;
$border = 5;
$legend_line_length = 10;
$legend_height = 2*ImageFontHeight(5) + $legend_line_length;
$left_legend_length = strlen($max_duration) * ImageFontWidth(5);
$im = @ImageCreate ($width + $legend_line_length + $left_legend_length, $height + $legend_height)
or die ('Cannot create new gd-image-stream');
$background_color = ImageColorAllocate ($im, 255, 255, 255);
$foreground_color = ImageColorAllocate ($im, 0, 0, 0);
$colors['return-assignment SUCCESS'] = ImageColorAllocate ($im, 0, 255, 0);
$colors['return-assignment ERROR'] = ImageColorAllocate ($im, 255, 0, 0);
$colors['return-assignment ABORT'] = ImageColorAllocate ($im, 255, 0, 0);
$colors['get-assignment'] = ImageColorAllocate ($im, 0, 0, 255);
$colors['undef'] = ImageColorAllocate ($im, 255, 0, 255);
function scale($x, $x_min, $x_max, $scale, $log) {
if ($log) {
$x = log($x + 10);
$x_min = log($x_min + 10);
$x_max = log($x_max + 10);
};
if ($x_max == $x_min)
$frac = 0;
else
$frac = ($x - $x_min)/($x_max - $x_min);
if ($scale < 0)
return ($frac-1) * $scale;
else
return $frac * $scale;
};
function print_graph($data, $color) {
global $width, $height, $im, $min_date, $max_date, $min_duration, $max_duration, $border, $legend_line_length, $left_legend_length;
foreach ($data as $val) {
ImageFilledEllipse(
$im,
scale($val['date'], $min_date, $max_date, $width - 2*$border - $left_legend_length, false) + $border + $legend_line_length + $left_legend_length,
scale($val['duration'], 0, $max_duration, -$height + 2*$border, array_key_exists('log', $_GET)) + $border,
max(2,pow($val['duration'],0.4)),
max(2,pow($val['duration'],0.4)),
$color
);
}
/* ImageString(
$im,
5,
$width + $legend_line_length,
scale($last_val, 0, $val_max, -$height + 2*$border, array_key_exists('log', $_GET)) + $border - ImageFontHeight(5)/2,
' ' . $data[$t_max],
$color
); */
};
ImageRectangle($im, $legend_line_length + $left_legend_length, 0, $width-1 + $legend_line_length, $height-1, $foreground_color);
$xpos = $legend_line_length + $left_legend_length;
foreach ($actions as $action => $data) {
if (array_key_exists($action, $colors))
$color = $colors[$action];
else
$color = $colors['undef'];
print_graph($data, $color);
ImageString($im, 5, $xpos, $height + $legend_line_length + ImageFontHeight(5), $action, $color);
$xpos += (strlen($action) + 1.75) * ImageFontWidth(5);
}
ImageString($im, 5, $legend_line_length+$left_legend_length, $height + $legend_line_length, date('Y-m-d H:i', $min_date), $foreground_color);
$s = date('Y-m-d H:i', $max_date);
ImageString($im, 5, $width+$legend_line_length - strlen($s)*ImageFontWidth(5), $height + $legend_line_length, $s, $foreground_color);
for ($t=ceil($min_date/24/60/60); $t<=floor($max_date/24/60/60); $t++)
ImageLine(
$im,
scale($t*24*60*60,$min_date,$max_date,$width-2*$border-$left_legend_length,false)+$border+$legend_line_length+$left_legend_length,
$height,
scale($t*24*60*60,$min_date,$max_date,$width-2*$border-$left_legend_length,false)+$border+$legend_line_length+$left_legend_length,
$height+$legend_line_length,
$foreground_color
);
for ($val = 0; $val <= $max_duration;) {
ImageLine(
$im,
$left_legend_length,
scale($val, 0, $max_duration, -$height + 2*$border, array_key_exists('log', $_GET)) + $border,
$legend_line_length+$left_legend_length,
scale($val, 0, $max_duration, -$height + 2*$border, array_key_exists('log', $_GET)) + $border,
$foreground_color
);
ImageString(
$im,
5,
$left_legend_length - strlen($val)*ImageFontWidth(5),
scale($val, 0, $max_duration, -$height + 2*$border, array_key_exists('log', $_GET)) + $border - 0.5*ImageFontHeight(5),
$val,
$foreground_color
);
if (! array_key_exists('log', $_GET))
$val+=pow(10, round(log($max_duration) / log(10)) - 1);
elseif ($val == 0)
$val++;
else
$val = $val*10;
}
// ImageString ($im, 1, 5, 5, "Test-String ".rand(), $foreground_color);
header ('Content-type: image/png');
ImagePNG ($im);
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