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<?php
require_once 'conf/common.inc.php';
# returns an array of all collectd hosts
function collectd_hosts() {
global $CONFIG;
if (!is_dir($CONFIG['datadir']))
return false;
$dir = scandir($CONFIG['datadir']);
foreach($dir as $k => $v) {
if(!is_dir($CONFIG['datadir'].'/'.$v) || $v == '.' || $v == '..')
unset($dir[$k]);
}
return($dir);
}
# returns an array of plugins/pinstances/types/tinstances
function collectd_plugindata($host) {
global $CONFIG;
if (!is_dir($CONFIG['datadir'].'/'.$host))
return false;
chdir($CONFIG['datadir'].'/'.$host);
$files = glob("*/*.rrd");
if (!$files)
return false;
$data;
$i = 0;
foreach($files as $item) {
unset($part);
# split item by plugin/type
$part = explode('/', $item);
$part[1] = preg_replace('/\.rrd/', '', $part[1]);
# plugin
$data[$i]['p'] = preg_replace('/-.+/', '', $part[0]);
# plugin instance
if(preg_match('/-/', $part[0]))
$data[$i]['pi'] = preg_replace('/^[a-z_]+\-/', '', $part[0]);
# type
$data[$i]['t'] = preg_replace('/-.+/', '', $part[1]);
# type instance
if(preg_match('/-/', $part[1]))
$data[$i]['ti'] = preg_replace('/^[a-z_]+\-/', '', $part[1]);
$i++;
}
return($data);
}
# returns an array of all plugins of a host
function collectd_plugins($host) {
$plugindata = collectd_plugindata($host);
$plugins = array();
foreach ($plugindata as $item) {
if (!in_array($item['p'], $plugins))
$plugins[] = $item['p'];
}
return $plugins;
}
# returns an array of all pi/t/ti of an plugin
function collectd_plugindetail($host, $plugin, $detail, $where=NULL) {
$details = array('pi', 't', 'ti');
if (!in_array($detail, $details))
return false;
$plugindata = collectd_plugindata($host);
$return = array();
foreach ($plugindata as $item) {
if ($item['p'] == $plugin && !in_array($item[$detail], $return) && isset($item[$detail])) {
if ($where) {
$add = true;
# add detail to returnvalue if all where is true
foreach($where as $key => $value) {
if ($item[$key] != $value)
$add = false;
}
if ($add)
$return[] = $item[$detail];
} else {
$return[] = $item[$detail];
}
}
}
if (empty($return))
return false;
return $return;
}
# generate graph url's for a plugin of a host
function graphs_from_plugin($host, $plugin) {
global $CONFIG;
$pis = collectd_plugindetail($host, $plugin, 'pi');
$ts = collectd_plugindetail($host, $plugin, 't');
$tis = collectd_plugindetail($host, $plugin, 'ti');
if (!$pis) $pis = array('NULL');
if (!$tis) $tis = array('NULL');
foreach($pis as $pi) {
if ($CONFIG['groupby'][$plugin] == 'type') {
foreach ($ts as $t) {
$items = array(
'h' => $host,
'p' => $plugin,
'pi' => $pi,
't' => $t
);
printf('<a href="%s/%s"><img src="%s/%s"></a>'."\n",
$CONFIG['weburl'],
build_url('detail.php', $items).'&x=800&y=350',
$CONFIG['weburl'],
build_url('graph.php', $items)
);
}
} else {
foreach ($tis as $ti) {
foreach ($ts as $t) {
$items = array(
'h' => $host,
'p' => $plugin,
'pi' => $pi,
't' => $t,
'ti' => $ti
);
printf('<a href="%s/%s"><img src="%s/%s"></a>'."\n",
$CONFIG['weburl'],
build_url('detail.php', $items).'&x=800&y=350',
$CONFIG['weburl'],
build_url('graph.php', $items)
);
}
}
}
}
}
# generate an url with GET values from $items
function build_url($base, $items, $s=86400) {
if (!is_array($items))
return false;
if (!is_numeric($s))
return false;
$i=0;
foreach ($items as $key => $value) {
# don't include empty values
if ($value == 'NULL')
continue;
$base .= sprintf('%s%s=%s', $i==0 ? '?' : '&', $key, $value);
$i++;
}
if (!isset($items['s']))
$base .= '&s='.$s;
return $base;
}
?>
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