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<?php
/**
* runlog
*
* @author Ziba Scott <ziba@umich.edu>
*/
class runlog {
private $start_time = FALSE;
private $parent_stack = array();
public $print_to_console = FALSE;
private $file_handles = array();
private $indent = 0;
public $threshold = 0;
public $tag_count = array();
public $timestamp = "d-M-Y H:i:s O";
public $max_line_size = 150;
private $run_log = array();
function runlog()
{
$this->start_time = microtime( TRUE );
}
public function start( $name, $tag = FALSE )
{
$this->run_log[] = array( 'type' => 'start',
'tag' => $tag,
'index' => count($this->run_log),
'value' => $name,
'time' => microtime( TRUE ),
'parents' => $this->parent_stack,
'ended' => false,
);
$this->parent_stack[] = $name;
$this->print_to_console("start: ".$name, $tag, 'start');
$this->print_to_file("start: ".$name, $tag, 'start');
$this->indent++;
}
public function end()
{
$name = array_pop( $this->parent_stack );
foreach ( $this->run_log as $k => $entry ) {
if ( $entry['value'] == $name && $entry['type'] == 'start' && $entry['ended'] == false) {
$lastk = $k;
}
}
$start = $this->run_log[$lastk]['time'];
$this->run_log[$lastk]['duration'] = microtime( TRUE ) - $start;
$this->run_log[$lastk]['ended'] = true;
$this->run_log[] = array( 'type' => 'end',
'tag' => $this->run_log[$lastk]['tag'],
'index' => $lastk,
'value' => $name,
'time' => microtime( TRUE ),
'duration' => microtime( TRUE ) - $start,
'parents' => $this->parent_stack,
);
$this->indent--;
if($this->run_log[$lastk]['duration'] >= $this->threshold){
$tag_report = "";
foreach($this->tag_count as $tag=>$count){
$tag_report .= "$tag: $count, ";
}
if(!empty($tag_report)){
// $tag_report = "\n$tag_report\n";
}
$end_txt = sprintf("end: $name - %0.4f seconds $tag_report", $this->run_log[$lastk]['duration'] );
$this->print_to_console($end_txt, $this->run_log[$lastk]['tag'] , 'end');
$this->print_to_file($end_txt, $this->run_log[$lastk]['tag'], 'end');
}
}
public function increase_tag_count($tag){
if(!isset($this->tag_count[$tag])){
$this->tag_count[$tag] = 0;
}
$this->tag_count[$tag]++;
}
public function get_text(){
$text = "";
foreach($this->run_log as $entry){
$text .= str_repeat(" ",count($entry['parents']));
if($entry['tag'] != 'text'){
$text .= $entry['tag'].': ';
}
$text .= $entry['value'];
if($entry['tag'] == 'end'){
$text .= sprintf(" - %0.4f seconds", $entry['duration'] );
}
$text .= "\n";
}
return $text;
}
public function set_file($filename, $tag = 'master'){
if(!isset($this->file_handle[$tag])){
$this->file_handles[$tag] = fopen($filename, 'a');
if(!$this->file_handles[$tag]){
trigger_error('Could not open file for writing: '.$filename);
}
}
}
public function note( $msg, $tag = FALSE )
{
if($tag){
$this->increase_tag_count($tag);
}
if ( is_array( $msg )) {
$msg = '<pre>' . print_r( $msg, TRUE ) . '</pre>';
}
$this->debug_messages[] = $msg;
$this->run_log[] = array( 'type' => 'note',
'tag' => $tag ? $tag:"text",
'value' => htmlentities($msg),
'time' => microtime( TRUE ),
'parents' => $this->parent_stack,
);
$this->print_to_file($msg, $tag);
$this->print_to_console($msg, $tag);
}
public function print_to_file($msg, $tag = FALSE, $type = FALSE){
if(!$tag){
$file_handle_tag = 'master';
}
else{
$file_handle_tag = $tag;
}
if($file_handle_tag != 'master' && isset($this->file_handles[$file_handle_tag])){
$buffer = $this->get_indent();
$buffer .= "$msg\n";
if(!empty($this->timestamp)){
$buffer = sprintf("[%s] %s",date($this->timestamp, mktime()), $buffer);
}
fwrite($this->file_handles[$file_handle_tag], wordwrap($buffer, $this->max_line_size, "\n "));
}
if(isset($this->file_handles['master']) && $this->file_handles['master']){
$buffer = $this->get_indent();
if($tag){
$buffer .= "$tag: ";
}
$msg = str_replace("\n","",$msg);
$buffer .= "$msg";
if(!empty($this->timestamp)){
$buffer = sprintf("[%s] %s",date($this->timestamp, mktime()), $buffer);
}
if(strlen($buffer) > $this->max_line_size){
$buffer = substr($buffer,0,$this->max_line_size - 3)."...";
}
fwrite($this->file_handles['master'], $buffer."\n");
}
}
public function print_to_console($msg, $tag=FALSE){
if($this->print_to_console){
if(is_array($this->print_to_console)){
if(in_array($tag, $this->print_to_console)){
echo $this->get_indent();
if($tag){
echo "$tag: ";
}
echo "$msg\n";
}
}
else{
echo $this->get_indent();
if($tag){
echo "$tag: ";
}
echo "$msg\n";
}
}
}
public function print_totals(){
$totals = array();
foreach ( $this->run_log as $k => $entry ) {
if ( $entry['type'] == 'start' && $entry['ended'] == true) {
$totals[$entry['value']]['duration'] += $entry['duration'];
$totals[$entry['value']]['count'] += 1;
}
}
if($this->file_handle){
foreach($totals as $name=>$details){
fwrite($this->file_handle,$name.": ".number_format($details['duration'],4)."sec, ".$details['count']." calls \n");
}
}
}
private function get_indent(){
$buf = "";
for($i = 0; $i < $this->indent; $i++){
$buf .= " ";
}
return $buf;
}
function __destruct(){
foreach($this->file_handles as $handle){
fclose($handle);
}
}
}
?>
