function thold_check_baseline($rra_id, $ds, $current_value, &$item)
{
global $debug;
$now = time();
// See if we have a valid cached thold_high and thold_low value
if ($item['bl_thold_valid'] && $now < $item['bl_thold_valid']) {
if ($item['thold_hi'] && $current_value > $item['thold_hi']) {
$failed = 2;
} elseif ($item['thold_low'] && $current_value < $item['thold_low']) {
$failed = 1;
} else {
$failed = 0;
}
} else {
$midnight = gmmktime(0, 0, 0);
$t0 = $midnight + floor(($now - $midnight) / $item['bl_ref_time_range']) * $item['bl_ref_time_range'];
$ref_values = thold_get_ref_value($rra_id, $ds, $t0, $item['bl_ref_time_range']);
if (!is_array($ref_values) || sizeof($ref_values) == 0) {
$item['thold_low'] = '';
$item['thold_hi'] = '';
$item['bl_thold_valid'] = $now;
$returnvalue = -1;
return $returnvalue;
// Baseline reference value not yet established
}
$ref_value = $ref_values[0];
if ($item['cdef'] != 0) {
$ref_value = thold_build_cdef($item['cdef'], $ref_value, $item['rra_id'], $item['data_id']);
}
$blt_low = '';
$blt_high = '';
if ($item['bl_pct_down'] != '') {
$blt_low = round($ref_value - abs($ref_value * $item['bl_pct_down'] / 100), 2);
}
if ($item['bl_pct_up'] != '') {
$blt_high = round($ref_value + abs($ref_value * $item['bl_pct_up'] / 100), 2);
}
// Cache the calculated or empty values
$item['thold_low'] = $blt_low;
$item['thold_hi'] = $blt_high;
$item['bl_thold_valid'] = $t0 + $item['bl_ref_time_range'];
$failed = 0;
// Check low boundary
if ($blt_low != '' && $current_value < $blt_low) {
$failed = 1;
}
// Check up boundary
if ($failed == 0 && $blt_high != '' && $current_value > $blt_high) {
$failed = 2;
}
}
if ($debug) {
echo "RRA: {$rra_id} : {$ds}\n";
echo 'Ref. values count: ' . (isset($ref_values) ? count($ref_values) : "N/A") . "\n";
echo "Ref. value (min): " . (isset($ref_value_min) ? $ref_value_min : "N/A") . "\n";
echo "Ref. value (max): " . (isset($ref_value_max) ? $ref_value_max : "N/A") . "\n";
echo "Cur. value: {$current_value}\n";
echo "Low bl thresh: " . (isset($blt_low) ? $blt_low : "N/A") . "\n";
echo "High bl thresh: " . (isset($blt_high) ? $blt_high : "N/A") . "\n";
echo 'Check against baseline: ';
switch ($failed) {
case 0:
echo 'OK';
break;
case 1:
echo 'FAIL: Below baseline threshold!';
break;
case 2:
echo 'FAIL: Above baseline threshold!';
break;
}
echo "\n";
echo "------------------\n";
}
return $failed;
}
function thold_check_baseline($local_data_id, $data_template_rrd_id, $current_value, &$thold_data)
{
global $debug;
$now = time();
// See if we have a valid cached thold_high and thold_low value
if ($thold_data['bl_thold_valid'] && $now < $thold_data['bl_thold_valid']) {
if ($thold_data['thold_hi'] && $current_value > $thold_data['thold_hi']) {
$failed = 2;
} elseif ($thold_data['thold_low'] && $current_value < $thold_data['thold_low']) {
$failed = 1;
} else {
$failed = 0;
}
} else {
$midnight = gmmktime(0, 0, 0);
$t0 = $midnight + floor(($now - $midnight) / $thold_data['bl_ref_time_range']) * $thold_data['bl_ref_time_range'];
$ref_values = thold_get_ref_value($local_data_id, $data_template_rrd_id, $t0, $thold_data['bl_ref_time_range']);
$ref_value_min = min($ref_values);
$ref_value_max = max($ref_values);
if (!is_array($ref_values) || sizeof($ref_values) == 0) {
$thold_data['thold_low'] = '';
$thold_data['thold_hi'] = '';
$thold_data['bl_thold_valid'] = $now;
$returnvalue = -1;
return $returnvalue;
// Baseline reference value not yet established
}
$ref_value = $ref_values[0];
if ($thold_data['cdef'] != 0) {
$ref_value = thold_build_cdef($thold_data['cdef'], $ref_value, $thold_data['local_data_id'], $thold_data['data_template_rrd_id']);
}
$blt_low = '';
$blt_high = '';
if ($thold_data['bl_pct_down'] != '') {
$blt_low = $ref_value_min - $ref_value_min * $thold_data['bl_pct_down'] / 100;
}
if ($thold_data['bl_pct_up'] != '') {
$blt_high = $ref_value_max + $ref_value_max * $thold_data['bl_pct_up'] / 100;
}
// Cache the calculated or empty values
$thold_data['thold_low'] = $blt_low;
$thold_data['thold_hi'] = $blt_high;
$thold_data['bl_thold_valid'] = $t0 + $thold_data['bl_ref_time_range'];
$failed = 0;
// Check low boundary
if ($blt_low != '' && $current_value < $blt_low) {
$failed = 1;
}
// Check up boundary
if ($failed == 0 && $blt_high != '' && $current_value > $blt_high) {
$failed = 2;
}
}
if ($debug) {
echo 'Local Data Id: ' . $local_data_id . ':' . $data_template_rrd_id . "\n";
echo 'Ref. values count: ' . (isset($ref_values) ? count($ref_values) : "N/A") . "\n";
echo 'Ref. value (min): ' . (isset($ref_value_min) ? $ref_value_min : 'N/A') . "\n";
echo 'Ref. value (max): ' . (isset($ref_value_max) ? $ref_value_max : 'N/A') . "\n";
echo 'Cur. value: ' . $current_value . "\n";
echo 'Low bl thresh: ' . (isset($blt_low) ? $blt_low : 'N/A') . "\n";
echo 'High bl thresh: ' . (isset($blt_high) ? $blt_high : 'N/A') . "\n";
echo 'Check against baseline: ';
switch ($failed) {
case 0:
echo 'OK';
break;
case 1:
echo 'FAIL: Below baseline threshold!';
break;
case 2:
echo 'FAIL: Above baseline threshold!';
break;
}
echo "\n";
echo "------------------\n";
}
return $failed;
}
