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Logger.php
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160 lines (136 loc) · 4.28 KB
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<?php
namespace WP_CLI\Profile;
class Logger {
public $time = 0;
public $query_count = 0;
public $query_time = 0;
public $cache_hits = 0;
public $cache_misses = 0;
public $cache_ratio = null;
public $hook_count = 0;
public $hook_time = 0;
public $request_count = 0;
public $request_time = 0;
private $start_time = null;
private $query_offset = null;
private $cache_hit_offset = null;
private $cache_miss_offset = null;
private $hook_start_time = null;
private $hook_depth = 0;
private $request_start_time = null;
private $definitions = array();
public static $active_loggers = array();
public function __construct( $definition = array() ) {
foreach ( $definition as $k => $v ) {
$this->definitions[ $k ] = $v;
}
}
public function __get( $key ) {
if ( isset( $this->definitions[ $key ] ) ) {
return $this->definitions[ $key ];
}
return null;
}
public function __set( $key, $value ) {
$this->definitions[ $key ] = $value;
}
public function __isset( $key ) {
return isset( $this->definitions[ $key ] );
}
/**
* Start this logger
*/
public function start() {
global $wpdb, $wp_object_cache;
$this->start_time = microtime( true );
$this->query_offset = ! empty( $wpdb->queries ) ? count( $wpdb->queries ) : 0;
$key = array_search( $this, self::$active_loggers, true );
if ( false === $key ) {
self::$active_loggers[] = $this;
}
$this->cache_hit_offset = ! empty( $wp_object_cache->cache_hits ) ? $wp_object_cache->cache_hits : 0;
$this->cache_miss_offset = ! empty( $wp_object_cache->cache_misses ) ? $wp_object_cache->cache_misses : 0;
}
/**
* Whether or not the logger is running
*/
public function running() {
return ! is_null( $this->start_time );
}
/**
* Stop this logger
*/
public function stop() {
global $wpdb, $wp_object_cache;
if ( ! is_null( $this->start_time ) ) {
$this->time += microtime( true ) - $this->start_time;
}
if ( ! is_null( $this->query_offset ) && isset( $wpdb ) && ! empty( $wpdb->queries ) ) {
$query_total_count = count( $wpdb->queries );
for ( $i = $this->query_offset; $i < $query_total_count; $i++ ) {
$this->query_time += $wpdb->queries[ $i ][1];
++$this->query_count;
}
}
if ( ! is_null( $this->cache_hit_offset ) && ! is_null( $this->cache_miss_offset ) && isset( $wp_object_cache ) ) {
$cache_hits = ! empty( $wp_object_cache->cache_hits ) ? $wp_object_cache->cache_hits : 0;
$cache_misses = ! empty( $wp_object_cache->cache_misses ) ? $wp_object_cache->cache_misses : 0;
$this->cache_hits = $cache_hits - $this->cache_hit_offset;
$this->cache_misses = $cache_misses - $this->cache_miss_offset;
$cache_total = $this->cache_hits + $this->cache_misses;
if ( $cache_total ) {
$ratio = ( $this->cache_hits / $cache_total ) * 100;
$this->cache_ratio = round( $ratio, 2 ) . '%';
}
}
$this->start_time = null;
$this->query_offset = null;
$this->cache_hit_offset = null;
$this->cache_miss_offset = null;
$key = array_search( $this, self::$active_loggers, true );
if ( false !== $key ) {
unset( self::$active_loggers[ $key ] );
}
}
/**
* Start this logger's hook timer
*/
public function start_hook_timer() {
++$this->hook_count;
// Timer already running means a subhook has been called
if ( ! is_null( $this->hook_start_time ) ) {
++$this->hook_depth;
} else {
$this->hook_start_time = microtime( true );
}
}
/**
* Stop this logger's hook timer
*/
public function stop_hook_timer() {
if ( $this->hook_depth ) {
--$this->hook_depth;
} else {
if ( ! is_null( $this->hook_start_time ) ) {
$this->hook_time += microtime( true ) - $this->hook_start_time;
}
$this->hook_start_time = null;
}
}
/**
* Start this logger's request timer
*/
public function start_request_timer() {
++$this->request_count;
$this->request_start_time = microtime( true );
}
/**
* Stop this logger's request timer
*/
public function stop_request_timer() {
if ( ! is_null( $this->request_start_time ) ) {
$this->request_time += microtime( true ) - $this->request_start_time;
}
$this->request_start_time = null;
}
}