swoole 同步task

来源：互联网发布：乐视vr 没数据编辑：程序博客网时间：2024/05/20 07:14

<?php $serv = new swoole_server("0.0.0.0",9508); $serv->set(['worker_num'=>1,'task_worker_num'=>5]); functiononReceive($serv,$fd,$from_id,$data) { $sql = $data; $result = $serv->taskwait($sql); if($result!==false){ $serv->send($fd,$result."\n"); }else{ $serv->send($fd,"Err:Task timeout\n"); } //异步的时候就麻烦了，需要把$fd传递到onFinish，才能send数据到 //$serv->task($sql); } /** * task保持数据库连接 * 使用静态变量，因为变量没有释放，所以才能保持连接 * mysql连接的数量= task_worker_num */ functiononTask($serv,$fd,$from_id,$sql) { static$conn=null; if($conn==null){ $conn = mysqli_connect('127.0.0.1','root','123456','help'); if(!$conn){ $conn = null; $serv->finish('ERR:'.mysqli_connect_error()); return; } } $result = $conn->query($sql); if(!$result){ $serv->finish('ERR:'.mysqli_error($conn)); return; } $data = $result->fetch_all(MYSQLI_ASSOC); $serv->finish('OK:'.serialize($data)); } functiononFinish($serv,$task_id,$data) { // 异步Task时有效 echo"AsyncTask Finish:Connect.PID=".posix_getpid().PHP_EOL; } $serv->on('Receive','onReceive'); $serv->on('Task','onTask'); $serv->on('Finish','onFinish'); $serv->start(); //以下是客户端代码 //$client = new swoole_client(SWOOLE_SOCK_TCP, SWOOLE_SOCK_SYNC); //同步阻塞 //$client->connect('172.18.107.194', 9508, 0.5, 0); //$client->send("show tables"); //$data = $client->recv(); /** * 查看mysql连接 * * 1. mysql -uroot -p123456 * 2. show status; * 其中的 * Threads_connected | 1 * 就是mysql连接数 */
https://wiki.swoole.com/wiki/page/560.html

http://rango.swoole.com/archives/category/php_swoole/page/2

http://git.oschina.net/swoole/swoole_framework/blob/master/libs/Swoole/Async/MySQL.php

http://www.jb51.net/article/110702.htm

https://wiki.swoole.com/wiki/page/145.html

https://wiki.swoole.com/wiki/search/?q=+%24serv-%3Etaskwait

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