<?php
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/**
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* PhalApi_Helper_Tracer 全球追踪器类
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*
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* 用于调试，追踪接口执行的情况
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*
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* @package PhalApi\Helper
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* @license http://www.phalapi.net/license GPL 协议
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* @link http://www.phalapi.net/
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* @author 喵了个咪<wenzhenxi@vip.qq.com> 2017-04-15
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* @author dogstar <chanzonghuang@gmail.com> 2017-04-15
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*/
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class PhalApi_Helper_Tracer {
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/**
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* @var array $timeline 时间线
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*/
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protected $timeline = array();
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/**
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* @var array $sqls 所执行的SQL语句
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*/
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protected $sqls = array();
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/**
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* 打点，纪录当前时间点
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* @param string $tag 当前纪录点的名称，方便最后查看路径节点
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* @return NULL
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*/
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public function mark($tag = NULL) {
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if (!DI()->debug) {
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return;
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}
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$backTrace = debug_backtrace();
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if (empty($this->timeline)) {
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array_shift($backTrace);
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}
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// TODO 关于追踪，看下如何追踪更合适
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$this->timeline[] = array(
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'tag' => $tag,
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'time' => $this->getCurMicroTime(),
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'file' => isset($backTrace[0]['file']) ? $backTrace[0]['file'] : '',
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'line' => isset($backTrace[0]['line']) ? $backTrace[0]['line'] : 0,
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);
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}
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/**
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* 生成报告
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* @return array
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*/
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public function getStack() {
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$stack = array();
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$preMicroTime = NULL;
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foreach ($this->timeline as $index => $item) {
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if ($preMicroTime === NULL) {
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$preMicroTime = $item['time'];
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}
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$internalTime = $item['time'] - $preMicroTime;
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$internalTime = round($internalTime/10, 1);
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$stack[] = sprintf('[#%d - %sms%s]%s(%d)',
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$index,
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$internalTime,
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$item['tag'] !== NULL ? ' - ' . $item['tag'] : '',
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$item['file'],
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$item['line']
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);
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}
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return $stack;
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}
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/**
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* 获取当前毫秒时间
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* @return float
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*/
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protected function getCurMicroTime() {
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return round(microtime(true) * 10000);
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}
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/**
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* 纪录SQL语句
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* @param string $string SQL语句
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* @return NULL
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*/
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public function sql($statement) {
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$this->sqls[] = $statement;
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}
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/**
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* 获取SQL语句
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* @return array
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*/
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public function getSqls() {
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return $this->sqls;
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}
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}
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