function guifi_rename_graphs($old, $new)
{
$ext = array('_6.rrd', '_ping.rrd');
$fold = variable_get('rrddb_path', '/home/comesfa/mrtg/logs/') . guifi_rrdfile($old);
$fnew = variable_get('rrddb_path', '/home/comesfa/mrtg/logs/') . guifi_rrdfile($new);
foreach ($ext as $fext) {
// print "Going to rename ".$fold.$fext." to ".$fnew.$fext."\n<br />";
if (file_exists($fold . $fext)) {
rename($fold . $fext, $fnew . $fext);
// print $fold.$fext." renamed to ".$fnew.$fext."\n<br />";
}
}
}
/**
* guifi_get_availability
**/
function guifi_graphs_get_pings($hostname, $start = NULL, $end = NULL)
{
$var = array();
$var['max_latency'] = 0;
$var['min_latency'] = NULL;
$var['last'] = NULL;
$var['avg_latency'] = 0;
$var['succeed'] = 0;
$var['samples'] = 0;
if ($start == NULL) {
$start = time() - 60 * 60 * 24 * 7;
}
if ($end == NULL) {
$end = time() - 300;
}
// print 'Start/end: '.$start.' '.$end."\n<br />";
$fn = variable_get('rrddb_path', '/home/comesfa/mrtg/logs/') . guifi_rrdfile($hostname) . "_ping.rrd";
// print $fn."\n<br />";
if (file_exists($fn)) {
$cmd = sprintf("%s fetch %s AVERAGE --start=%d --end=%d", variable_get('rrdtool_path', '/usr/bin/rrdtool'), $fn, $start, $end);
// print $cmd."\n<br />";
$fp = popen($cmd, "r");
if (isset($fp)) {
while (!feof($fp)) {
$failed = 'nan';
$n = sscanf(fgets($fp), "%d: %f %f", $interval, $failed, $latency);
if (is_numeric($failed) && $n == 3) {
$var['succeed'] += $failed;
$last_suceed = $failed;
if ($latency > 0) {
// print $interval.' '.$failed.' '.$latency."\n<br />";
$var['avg_latency'] += $latency;
if ($var['max_latency'] < $latency) {
$var['max_latency'] = $latency;
}
if ($var['min_latency'] > $latency || $var['min_latency'] == NULL) {
$var['min_latency'] = $latency;
}
}
$var['last'] = $interval;
$var['samples']++;
}
}
}
pclose($fp);
}
if ($var['samples'] > 0) {
$var['succeed'] = 100 - $var['succeed'] / $var['samples'];
$var['avg_latency'] = $var['avg_latency'] / $var['samples'];
$var['last_sample'] = date('H:i', $var['last']);
$var['last_succeed'] = 100 - $last_suceed;
}
return $var;
}
