/**
* Draw stack-graph for set of RRD files
* @opts Graph options like colors
* @sources List of array(name, file, ds)
* @return Commandline to call RRDGraph in order to generate the final graph
*/
function collectd_draw_meta_line(&$opts, &$sources)
{
global $config;
$timespan_def = null;
if (!isset($opts['timespan'])) {
$timespan_def = reset($config['timespan']);
} else {
foreach ($config['timespan'] as &$ts) {
if ($ts['name'] == $opts['timespan']) {
$timespan_def = $ts;
}
}
}
if (!isset($opts['title'])) {
$opts['title'] = '未知的标题';
}
if (!isset($opts['rrd_opts'])) {
$opts['rrd_opts'] = array();
}
if (!isset($opts['colors'])) {
$opts['colors'] = array();
}
if (isset($opts['logarithmic']) && $opts['logarithmic']) {
array_unshift($opts['rrd_opts'], '-o');
}
# $cmd = array(RRDTOOL, 'graph', '-', '-E', '-a', 'PNG', '-w', $config['rrd_width'], '-h', $config['rrd_height'], '-t', $opts['title']);
# $cmd = array_merge($cmd, $config['rrd_opts_array'], $opts['rrd_opts']);
$cmd = array(RRDTOOL, 'graph', '-', '-E', '-a', 'PNG', '-w', $config['rrd_width'], '-h', $config['rrd_height']);
$cmd = array('-', '-E', '-a', 'PNG', '-w', $config['rrd_width'], '-h', $config['rrd_height']);
if ($config['rrd_width'] <= "300") {
$small_opts = array('--font', 'LEGEND:7:mono', '--font', 'AXIS:6:mono', '--font-render-mode', 'normal');
$cmd = array_merge($cmd, $small_opts);
}
$max_inst_name = 0;
foreach ($sources as &$inst_data) {
$inst_name = $inst_data['name'];
$file = $inst_data['file'];
$ds = isset($inst_data['ds']) ? $inst_data['ds'] : 'value';
if (strlen($inst_name) > $max_inst_name) {
$max_inst_name = strlen($inst_name);
}
if (!is_file($file)) {
continue;
}
$cmd[] = 'DEF:' . $inst_name . '_min=' . $file . ':' . $ds . ':MIN';
$cmd[] = 'DEF:' . $inst_name . '_avg=' . $file . ':' . $ds . ':AVERAGE';
$cmd[] = 'DEF:' . $inst_name . '_max=' . $file . ':' . $ds . ':MAX';
}
foreach ($sources as &$inst_data) {
$inst_name = $inst_data['name'];
$legend = sprintf('%s', $inst_name);
while (strlen($legend) < $max_inst_name) {
$legend .= ' ';
}
$number_format = isset($opts['number_format']) ? $opts['number_format'] : '%6.1lf';
if (isset($opts['colors'][$inst_name])) {
$line_color = new CollectdColor($opts['colors'][$inst_name]);
} else {
$line_color = new CollectdColor('random');
}
$cmd[] = 'LINE1:' . $inst_name . '_avg#' . $line_color->as_string() . ':' . $legend;
if (!(isset($opts['tinylegend']) && $opts['tinylegend'])) {
$cmd[] = 'GPRINT:' . $inst_name . '_min:MIN:' . $number_format . '';
$cmd[] = 'GPRINT:' . $inst_name . '_avg:AVERAGE:' . $number_format . '';
$cmd[] = 'GPRINT:' . $inst_name . '_max:MAX:' . $number_format . '';
$cmd[] = 'GPRINT:' . $inst_name . '_avg:LAST:' . $number_format . '\\l';
}
}
$rrdcmd = RRDTOOL;
for ($i = 1; $i < count($cmd); $i++) {
$rrdcmd .= ' ' . escapeshellarg($cmd[$i]);
}
return $rrdcmd;
}
/**
* Draw stack-graph for set of RRD files
* @opts Graph options like colors
* @sources List of array(name, file, ds)
* @return Commandline to call RRDGraph in order to generate the final graph
*/
function collectd_draw_meta_line(&$opts, &$sources) {
global $config;
$timespan_def = null;
if (!isset($opts['timespan']))
$timespan_def = reset($config['timespan']);
else foreach ($config['timespan'] as &$ts)
if ($ts['name'] == $opts['timespan'])
$timespan_def = $ts;
if (!isset($opts['title']))
$opts['title'] = 'Unknown title';
if (!isset($opts['rrd_opts']))
$opts['rrd_opts'] = array();
if (!isset($opts['colors']))
$opts['colors'] = array();
if (isset($opts['logarithmic']) && $opts['logarithmic'])
array_unshift($opts['rrd_opts'], '-o');
$cmd = array(RRDTOOL, 'graph', '-', '-a', 'PNG', '-w', $config['rrd_width'], '-h', $config['rrd_height'], '-s', -1*$timespan_def['seconds'], '-t', $opts['title']);
$cmd = array_merge($cmd, $config['rrd_opts'], $opts['rrd_opts']);
$max_inst_name = 0;
foreach ($sources as &$inst_data) {
$inst_name = str_replace('!', '_', $inst_data['name']);
$file = $inst_data['file'];
$ds = isset($inst_data['ds']) ? $inst_data['ds'] : 'value';
if (strlen($inst_name) > $max_inst_name)
$max_inst_name = strlen($inst_name);
if (!is_file($file))
continue;
$cmd[] = 'DEF:'.$inst_name.'_min='.rrd_escape($file).':'.$ds.':MIN';
$cmd[] = 'DEF:'.$inst_name.'_avg='.rrd_escape($file).':'.$ds.':AVERAGE';
$cmd[] = 'DEF:'.$inst_name.'_max='.rrd_escape($file).':'.$ds.':MAX';
}
foreach ($sources as &$inst_data) {
$inst_name = str_replace('!', '_', $inst_data['name']);
$legend = sprintf('%s', $inst_name);
while (strlen($legend) < $max_inst_name)
$legend .= ' ';
$number_format = isset($opts['number_format']) ? $opts['number_format'] : '%6.1lf';
if (isset($opts['colors'][$inst_name]))
$line_color = new CollectdColor($opts['colors'][$inst_name]);
else
$line_color = new CollectdColor('random');
$cmd[] = 'LINE1:'.$inst_name.'_avg#'.$line_color->as_string().':'.$legend;
if (!(isset($opts['tinylegend']) && $opts['tinylegend'])) {
$cmd[] = 'GPRINT:'.$inst_name.'_min:MIN:'.$number_format.' Min,';
$cmd[] = 'GPRINT:'.$inst_name.'_avg:AVERAGE:'.$number_format.' Avg,';
$cmd[] = 'GPRINT:'.$inst_name.'_max:MAX:'.$number_format.' Max,';
$cmd[] = 'GPRINT:'.$inst_name.'_avg:LAST:'.$number_format.' Last\\l';
}
}
$rrdcmd = RRDTOOL;
for ($i = 1; $i < count($cmd); $i++)
$rrdcmd .= ' '.escapeshellarg($cmd[$i]);
return $rrdcmd;
}