php使用pthreads的实用例子
class Thread_request extends Thread {
public static $thread_tasks;
protected $processor;
public $url;
public $params;
public $model;
public $view;
public $response;
public $last_url;
public $last_params;
public $last_model;
public $last_view;
public $last_error = '';
public $last_errno = 0;
public $status = '';
public $completed = false;
//$processor是一个远程调用其他接口类的对象
public function __construct($processor = null, $auto_start = true) {
if ($processor !== null ) {
$this->processor = $processor;
}
if ($auto_start) {
$this->start();
}
}
public function url($url = null) {
if ($url === null ) {
return $this->url;
}
$this->url = $url;
return $this;
}
public function params($params = null) {
if ($params === null ) {
return $this->params;
}
$this->params = $params;
return $this;
}
public function model($model = null) {
if ($model === null ) {
return $this->model;
}
$this->model = $model;
return $this;
}
public function run() {
$this->synchronized(function($self) {
$counting = 0;
do {
if (!$self->isWaiting()) {
$self->wait();
}
if ($self->completed == true) {
break;
}
if ($self->status == '') {
continue;
}
$self->response = $self->processor->post($self->url, $self->params);
$self->last_url = $self->url;
$self->last_params = $self->params;
$self->last_model = $self->model;
$self->last_view = $self->view;
$self->status = '';
$counting++;
} while ($self->current_task <= self::$thread_tasks && $counting <= self::$thread_tasks);
}, $this);
}
}
调用过程
/**
* Pipe 模式
*/
public function index_pipe() {
// 输出框架页面
$this->render('index', array(), false);
// 接口队列
$request_list = array(
// 入驻企业
0 => array(
'url' => 'http://api.X.com/suplier_enterprise.ld',
'params' => array(),
'model' => '',
'view' => 'new_join'
),
// 推荐品牌
9 => array(
'url' => 'goodsBrand/queryIndexGoodsBrand.action',
'params' => array(),
'model' => '',
'view' => 'recom_brand'
),
// 点击排行
2 => array(
'url' => 'goodshow/clickTop.action',
'params' => array(),
'model' => '',
'view' => 'rank_views'
),
// 销量排行
3 => array(
'url' => 'goodshow/totalTop.action',
'params' => array(),
'model' => '',
'view' => 'rank_sales'
),
// 交易动态
4 => array(
'url' => 'order/dealDynamic.action',
'params' => array(),
'model' => '',
'view' => 'trade_info'
),
// 推荐品种
6 => array(
'url' => 'goodssuggest/goodssuggestInfo.action',
'params' => array(
'query_type' => 1,
'gsc_name' => '新品推荐',
'enterpriseSuppliers' => $this->supplier_enterprise
),
'model' => '',
'view' => 'recom_breed_list'
),
// 最新促销
7 => array(
'url' => 'goodspromotions/goodsPromotionsInfo.action',
'params' => array(
'query_type' => 1,
'gpc_id' => 1,
'page' => array(
'startNum' => 0,
'pageSize' => 5
),
'enterpriseSuppliers' => $this->supplier_enterprise
),
'model' => '',
'view' => 'promotion_list'
),
// 首页广告位以及分类展示所有集合
8 => array(
'url' => 'goodshow/homeAd.action',
'params' => array('enterpriseSuppliers' => $this->supplier_enterprise),
'model' => '',
'view' => 'index_ads'
),
// 系统公告
10 => array(
'url' => config_item('news_url') . 'api.php?op=news',
'params' => array('action' => 'notice', 'notice_num' => 5),
'model' => '',
'view' => 'site_announ'
),
// 获取一条最新带缩略图的新闻资讯
11 => array(
'url' => config_item('news_url') . 'api.php?op=news',
'params' => array('action' => 'img'),
'model' => '',
'view' => 'picture_news'
),
// 最新资讯
12 => array(
'url' => config_item('news_url') . 'api.php?op=news',
'params' => array('news_num' => 12),
'model' => '',
'view' => 'text_news'
),
// 获取一条最新带缩略图的招商资讯
13 => array(
'url' => config_item('zs_url') . 'news/b2b_business_thumb',
'params' => array(),
'model' => '',
'view' => 'picture_merchants'
),
// 热门招商
14 => array(
'url' => config_item('zs_url') . 'news/b2b_business',
'params' => array('bus_num' => 12),
'model' => '',
'view' => 'text_merchants'
),
// 获取商品分类
23 => array(
'url' => 'goodsCate/goodsCateList.action',
'params' => array(),
'model' => '',
'view' => 'cate_list'
),
// 获取搜索热词
24 => array(
'url' => 'goodshow/getSearchHotWords.action',
'params' => array('rowNum' => 5),
'model' => '',
'view' => 'hot_keywords'
),
);
// 加载多线程处理类
include_once dirname(dirname(__FILE__)) . '/libraries/thread_request.php';
// 接口请求队列
$api_queues = Thread_request::$thread_tasks = count($request_list);
// 创建线程池
$pools[] = new Thread_request($this->mph_sdk);
$pools[] = new Thread_request($this->mph_sdk);
$pools[] = new Thread_request($this->mph_sdk);
$pools[] = new Thread_request($this->mph_sdk);
$pools[] = new Thread_request($this->mph_sdk);
// 派发任务给线程
for ($i = 1; $i < $api_queues + 1; $i++) {
$current_api = array_shift($request_list);
while (true) {
// 遍历线程池, 为空闲线程分配请求任务
foreach ($pools as $worker) {
// 线程处于空闲等待中
if ($worker->isWaiting()) {
$worker->synchronized(function($self, $thread, $api_params, $current_task) {
$thread->status = 1;
$thread->url = $api_params['url'];
$thread->params = $api_params['params'];
$thread->model = $api_params['model'];
$thread->view = $api_params['view'];
$thread->current_task = $current_task;
$thread->notify();
// 上一次处理完毕的响应信息
if ($thread->response) {
// 输出 Pagelet
$self->render($thread->last_view, $thread->response, $thread->last_url);
}
}, $this, $worker, $current_api, $i);
break 2;
}
}
}
}
// 等待所有线程运行结束
while (count($pools)) {
// 遍历检查线程组运行结束
foreach ($pools as $key => $thread) {
if ($thread->status == '' || $thread->isWaiting()) {
$thread->synchronized(function($self, $thread) {
// 输出 Pagelet
$self->render($thread->last_view, $thread->response, $thread->last_url);
if ($thread->isWaiting()) {
$thread->completed = true;
$thread->notify();
}
}, $this, $thread);
// 销毁线程
$thread = null;
unset($pools[$key]);
}
}
}
// 所有线程执行完毕
$this->render('page_chain', array(), false);
}
//类似facebook的管道输出，先输出框架，然后线程调用接口之后通过输出js，把内容插入相应的地方
public function render($view = '', $data = array(), $is_pagelet = true, $method = 'html') {
$api_result = isset($data['result']) ? $data['result'] : $data;
if (!is_array($api_result)) {
$api_result = json_decode($api_result, true);
}
unset($data['code'], $data['message'], $data['result']);
if (!isset($data[$view])) {
$data[$view] = $api_result;
}
if ($view == 'recom_breed_list' && !isset($data['l_id'])) {
$data['l_id'] = '新品推荐';
}
if ($view == 'promotion_list' && !isset($data['l_id'])) {
$data['l_id'] = '1';
}
if ($view == 'index_ads') {
// 获取橱窗集合
$showcase_info = isset($api_result['syChuChuangList']) ? $api_result['syChuChuangList'] : array();
$this->render('showcase_info', array('showcase_info' => $showcase_info));
// 获取感兴趣产品集合
$interested_info = isset($api_result['syHdt']) ? $api_result['syHdt'] : array();
$this->render('interested_info', array('interested_info' => $interested_info));
// 首页焦点图
$index_focus_silde = isset($api_result['syJdtList']) ? $api_result['syJdtList'] : array();
$this->render('index_focus_silde', array('index_focus_silde' => $index_focus_silde));
// 首页推荐品种图片
$recom_breed_tit = isset($api_result['syTjpzList']) ? $api_result['syTjpzList'] : array();
$this->render('recom_breed_tit', array('recom_breed_tit' => $recom_breed_tit));
// 首页最新促销图片
$promotion_tit = isset($api_result['syZxcxList']) ? $api_result['syZxcxList'] : array();
$this->render('promotion_tit', array('promotion_tit' => $promotion_tit));
// 首页中间广告位
$index_center_ads = (isset($api_result['centerAds'])) ? $api_result['centerAds'] : array();
$this->render('index_center_ads', array('index_center_ads' => $index_center_ads));
// 首页右下角广告
$index_bottom_right_ads = (isset($api_result['bottomAds'][0])) ? $api_result['bottomAds'][0] : '';
$this->render('index_bottom_right_ads', array('index_bottom_right_ads' => $index_bottom_right_ads));
return;
}
// Pagelet 模版
$pagelet_html = $this->load->view("index/pagelet/$view", $data, true);
if ($is_pagelet) {
$pagelet_html = addslashes($pagelet_html);
$pagelet_html = str_replace(PHP_EOL, '\\' . PHP_EOL, $pagelet_html);
$pagelet_html = '<script type="text/javascript">load_pagelet(\'' . $view . '\', \'' . $pagelet_html . '\', \'' . $method . '\');</script>';
}
// 填充字符串
if (strlen($pagelet_html) < 1024) {
$pagelet_html = str_pad($pagelet_html, 1024);
}
echo $pagelet_html;
flush();
}
posted on 2014-04-03 17:26 kudosharry 阅读(582) 评论(0) 编辑 收藏 举报
