[視頻教程] 最新版swoole安裝和TASKS功能測試

今天我們來安裝和測試一下php的多併發高性能網路通信擴展，這個擴展是使用C語音開發的，載入到PHP以後，在PHP的層面上實現了多併發非同步通信，模擬了go語音的很多特性，極大的拓寬了PHP的應用場景。

直接使用官網上的那句命令就可以，安裝swoole時可能會出現錯誤和卡住不動，多試幾次就能成功。
pecl install swoole
要配置php的cli環境和fpm環境的ini文件，把擴展的so載入進去。

視頻地址：

https://www.bilibili.com/video/av70354024/

httpServer.php

$http = new swoole_http_server("127.0.0.1", 9501);

$http->on("start", function ($server) {
        echo "Swoole http server is started at http://127.0.0.1:9501\n";
});

$http->on("request", function ($request, $response) {
        $response->header("Content-Type", "text/plain");
            $response->end("Hello World\n");
});

$http->start();

註意使用httpClient的時候會有一些錯誤，首先新版的swoole移除了Swoole\Http\Client,會報類找不到，其次要在協程中執行get方法

httpClient.php

$client = new swoole_client(SWOOLE_SOCK_TCP, SWOOLE_SOCK_ASYNC);
$client->on("connect", function($cli) {
	    $cli->send("hello world\n");
});
$client->on("receive", function($cli, $data){
	    echo "received: {$data}\n";
});
$client->on("error", function($cli){
	    echo "connect failed\n";
});
$client->on("close", function($cli){
	    echo "connection close\n";
});
$client->connect("127.0.0.1", 9502, 0.5);

taskServer.php

<?php
$serv = new Swoole\Server("127.0.0.1", 9502, SWOOLE_BASE);

$serv->set(array(
    'worker_num' => 2,
    'task_worker_num' => 4,
));

$serv->on('Receive', function(Swoole\Server $serv, $fd, $from_id, $data) {
    echo "接收數據" . $data . "\n";
    $data = trim($data);
    $task_id = $serv->task($data, 0); 
    $serv->send($fd, "分發任務，任務id為$task_id\n");
});

$serv->on('Task', function (Swoole\Server $serv, $task_id, $from_id, $data) {
    echo "Tasker進程接收到數據";
    echo "#{$serv->worker_id}\tonTask: [PID={$serv->worker_pid}]: task_id=$task_id, data_len=".strlen($data).".".PHP_EOL;
    $serv->finish($data);
});

$serv->on('Finish', function (Swoole\Server $serv, $task_id, $data) {
    echo "Task#$task_id finished, data_len=".strlen($data).PHP_EOL;
});

$serv->on('workerStart', function($serv, $worker_id) {
    global $argv;
    if($worker_id >= $serv->setting['worker_num']) {
        swoole_set_process_name("php {$argv[0]}: task_worker");
    } else {
        swoole_set_process_name("php {$argv[0]}: worker");
    }
});

$serv->start();

taskClient.php

$client = new swoole_client(SWOOLE_SOCK_TCP, SWOOLE_SOCK_ASYNC);
$client->on("connect", function($cli) {
        $cli->send("hello world\n");
});
$client->on("receive", function($cli, $data){
        echo "received: {$data}\n";
});
$client->on("error", function($cli){
        echo "connect failed\n";
});
$client->on("close", function($cli){
        echo "connection close\n";
});
$client->connect("127.0.0.1", 9502, 0.5);