function thold_build_cdef($id, $value, $rra, $ds)
{
$oldvalue = $value;
$cdefs = db_fetch_assoc("select * from cdef_items where cdef_id = {$id} order by sequence");
if (sizeof($cdefs)) {
foreach ($cdefs as $cdef) {
if ($cdef['type'] == 4) {
$cdef['type'] = 6;
switch ($cdef['value']) {
case 'CURRENT_DATA_SOURCE':
$cdef['value'] = $oldvalue;
// get_current_value($rra, $ds, 0);
break;
case 'CURRENT_GRAPH_MAXIMUM_VALUE':
$cdef['value'] = get_current_value($rra, 'upper_limit', 0);
break;
case 'CURRENT_GRAPH_MINIMUM_VALUE':
$cdef['value'] = get_current_value($rra, 'lower_limit', 0);
break;
case 'CURRENT_DS_MINIMUM_VALUE':
$cdef['value'] = get_current_value($rra, 'rrd_minimum', 0);
break;
case 'CURRENT_DS_MAXIMUM_VALUE':
$cdef['value'] = get_current_value($rra, 'rrd_maximum', 0);
break;
case 'VALUE_OF_HDD_TOTAL':
$cdef['value'] = get_current_value($rra, 'hdd_total', 0);
break;
case 'ALL_DATA_SOURCES_NODUPS':
// you can't have DUPs in a single data source, really...
// you can't have DUPs in a single data source, really...
case 'ALL_DATA_SOURCES_DUPS':
$cdef['value'] = 0;
$all_dsns = array();
$all_dsns = db_fetch_assoc("SELECT data_source_name FROM data_template_rrd WHERE local_data_id = {$rra}");
if (is_array($all_dsns)) {
foreach ($all_dsns as $dsn) {
$cdef['value'] += get_current_value($rra, $dsn['data_source_name'], 0);
}
}
break;
default:
print 'CDEF property not implemented yet: ' . $cdef['value'];
return $oldvalue;
break;
}
} elseif ($cdef['type'] == 6) {
$regresult = preg_match('/^\\|query_(.*)\\|$/', $cdef['value'], $matches);
if ($regresult > 0) {
// Grab result for query
$cdef['value'] = db_fetch_cell("SELECT `h`.`field_value`\r\n\t\t\t\t\tFROM `poller_item` p, `host_snmp_cache` h\r\n\t\t\t\t\tWHERE `p`.`local_data_id` = '" . $rra . "'\r\n\t\t\t\t\tAND `p`.`host_id` = `h`.`host_id`\r\n\t\t\t\t\tAND `h`.`field_name` = '" . $matches[1] . "'\r\n\t\t\t\t\tAND `p`.`rrd_name` = 'traffic_in'\r\n\t\t\t\t\tAND SUBSTRING_INDEX(`p`.`arg1`, '.', -1 ) = `h`.`snmp_index`", FALSE);
}
}
$cdef_array[] = $cdef;
}
}
$x = count($cdef_array);
if ($x == 0) {
return $oldvalue;
}
$stack = array();
// operation stack for RPN
array_push($stack, $cdef_array[0]);
// first one always goes on
$cursor = 1;
// current pointer through RPN operations list
while ($cursor < $x) {
$type = $cdef_array[$cursor]['type'];
switch ($type) {
case 6:
array_push($stack, $cdef_array[$cursor]);
break;
case 2:
// this is a binary operation. pop two values, and then use them.
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
$result = thold_rpn($v2['value'], $v1['value'], $cdef_array[$cursor]['value']);
// put the result back on the stack.
array_push($stack, array('type' => 6, 'value' => $result));
break;
default:
print 'Unknown RPN type: ';
print $cdef_array[$cursor]['type'];
return $oldvalue;
break;
}
$cursor++;
}
return $stack[0]['value'];
}
function thold_build_cdef(&$cdefs, $value, $rra, $ds)
{
$oldvalue = $value;
if (sizeof($cdefs)) {
foreach ($cdefs as $cdef) {
if ($cdef['type'] == 4) {
$cdef['type'] = 6;
switch ($cdef['value']) {
case 'CURRENT_DATA_SOURCE':
$cdef['value'] = $oldvalue;
// get_current_value($rra, $ds, 0);
break;
case 'CURRENT_GRAPH_MAXIMUM_VALUE':
$cdef['value'] = get_current_value($rra, 'upper_limit', 0);
break;
case 'CURRENT_GRAPH_MINIMUM_VALUE':
$cdef['value'] = get_current_value($rra, 'lower_limit', 0);
break;
case 'CURRENT_DS_MINIMUM_VALUE':
$cdef['value'] = get_current_value($rra, 'rrd_minimum', 0);
break;
case 'CURRENT_DS_MAXIMUM_VALUE':
$cdef['value'] = get_current_value($rra, 'rrd_maximum', 0);
break;
case 'VALUE_OF_HDD_TOTAL':
$cdef['value'] = get_current_value($rra, 'hdd_total', 0);
break;
case 'ALL_DATA_SOURCES_NODUPS':
// you can't have DUPs in a single data source, really...
// you can't have DUPs in a single data source, really...
case 'ALL_DATA_SOURCES_DUPS':
$cdef['value'] = 0;
$all_dsns = array();
$all_dsns = db_fetch_assoc("SELECT data_source_name FROM data_template_rrd WHERE local_data_id = {$rra}");
if (is_array($all_dsns)) {
foreach ($all_dsns as $dsn) {
$cdef['value'] += get_current_value($rra, $dsn['data_source_name'], 0);
}
}
break;
default:
print 'CDEF property not implemented yet: ' . $cdef['value'];
return $oldvalue;
break;
}
} elseif ($cdef['type'] == 6) {
$regresult = preg_match('/^\\|query_([A-Za-z0-9_]+)\\|$/', $cdef['value'], $matches);
if ($regresult > 0) {
$sql_query = "SELECT host_snmp_cache.field_value\n\t\t\t\t\tFROM data_local \n\t\t\t\t\tINNER JOIN host_snmp_cache \n\t\t\t\t\tON host_snmp_cache.host_id = data_local.host_id\n\t\t\t\t\tAND host_snmp_cache.snmp_query_id = data_local.snmp_query_id\n\t\t\t\t\tAND host_snmp_cache.snmp_index = data_local.snmp_index\n\t\t\t\t\tWHERE data_local.id = {$rra} AND host_snmp_cache.field_name = '" . $matches[1] . "'";
$cdef['value'] = db_fetch_cell($sql_query);
}
}
$cdef_array[] = $cdef;
}
}
$x = count($cdef_array);
if ($x == 0) {
return $oldvalue;
}
$stack = array();
// operation stack for RPN
array_push($stack, $cdef_array[0]);
// first one always goes on
$cursor = 1;
// current pointer through RPN operations list
while ($cursor < $x) {
$type = $cdef_array[$cursor]['type'];
switch ($type) {
case 6:
array_push($stack, $cdef_array[$cursor]);
break;
case 2:
// this is a binary operation. pop two values, and then use them.
$v1 = thold_expression_rpn_pop($stack);
$v2 = thold_expression_rpn_pop($stack);
$result = thold_rpn($v2['value'], $v1['value'], $cdef_array[$cursor]['value']);
// put the result back on the stack.
array_push($stack, array('type' => 6, 'value' => $result));
break;
default:
print 'Unknown RPN type: ';
print $cdef_array[$cursor]['type'];
return $oldvalue;
break;
}
$cursor++;
}
return $stack[0]['value'];
}