如何使用swoole快速搭建echo server

关于在linux中，如何搭建环境然后加载swoole扩展，本文不论述。

---

1.创建Server.php和Client

在htdocs文件夹下创建Server.php（当然如果你自定义了路径，就另当别论了）

cd /usr/lcoal/httpd/htdocs

vi Server.php

这里使用easyswoole文档中的范例程序

https://linkeddestiny.gitbooks.io/easy-swoole/content/book/chapter01/echo_server.html

// Server
class Server
{
    private $serv;

    public function __construct() {
        $this->serv = new swoole_server("0.0.0.0", 9501);
        $this->serv->set(array(
            'worker_num' => 8,
            'daemonize' => false,
        ));

        $this->serv->on('Start', array($this, 'onStart'));
        $this->serv->on('Connect', array($this, 'onConnect'));
        $this->serv->on('Receive', array($this, 'onReceive'));
        $this->serv->on('Close', array($this, 'onClose'));

        $this->serv->start();
    }

    public function onStart( $serv ) {
        echo "Start\n";
    }

    public function onConnect( $serv, $fd, $from_id ) {
        $serv->send( $fd, "Hello {$fd}!" );
    }

    public function onReceive( swoole_server $serv, $fd, $from_id, $data ) {
        echo "Get Message From Client {$fd}:{$data}\n";
        $serv->send($fd, $data);
    }

    public function onClose( $serv, $fd, $from_id ) {
        echo "Client {$fd} close connection\n";
    }
}
// 启动服务器 Start the server
$server = new Server();

 

Client同理

<?php
class Client
{
    private $client;

    public function __construct() {
        $this->client = new swoole_client(SWOOLE_SOCK_TCP);
    }

    public function connect() {
        if( !$this->client->connect("127.0.0.1", 9501 , 1) ) {
            echo "Error: {$this->client->errMsg}[{$this->client->errCode}]\n";
        }

        fwrite(STDOUT, "请输入消息 Please input msg：");  
        $msg = trim(fgets(STDIN));
        $this->client->send( $msg );

        $message = $this->client->recv();
        echo "Get Message From Server:{$message}\n";
    }
}

$client = new Client();
$client->connect();

 

---

 

 

2.使用Server.php

php /usr/local/httpd/htdocs/Server.php

如果出现错误，说明你已经开启了端口，查看端口关闭，在执行就行了

[2019-04-23 14:55:24 @10601.0] WARNING swSocket_bind(:428): bind(0.0.0.0:9501) failed, Error: Address already in use[98]
PHP Fatal error: Uncaught Swoole\Exception: failed to listen server port[0.0.0.0:9501], Error: Address already in use[98] in /usr/local/httpd/htdocs/Server.php:8
Stack trace:
#0 /usr/local/httpd/htdocs/Server.php(8): Swoole\Server->__construct('0.0.0.0', 9501)
#1 /usr/local/httpd/htdocs/Server.php(40): Server->__construct()
#2 {main}
thrown in /usr/local/httpd/htdocs/Server.php on line 8

Fatal error: Uncaught Swoole\Exception: failed to listen server port[0.0.0.0:9501], Error: Address already in use[98] in /usr/local/httpd/htdocs/Server.php:8
Stack trace:
#0 /usr/local/httpd/htdocs/Server.php(8): Swoole\Server->__construct('0.0.0.0', 9501)
#1 /usr/local/httpd/htdocs/Server.php(40): Server->__construct()
#2 {main}
thrown in /usr/local/httpd/htdocs/Server.php on line 8

 

netstat -anp|grep 9501

kill -9 +上一步获取的端口    如：kill -9 9719

 

3.开启客户端Client.php

开启一个客户端，输入

php /usr/local/httpd/htdocs/Client.php

 

4.测试

在客户端输入内容

服务端显示如下：

Get Message From Client 1:156165
[2019-04-23 14:34:58 *10389.7] NOTICE swFactoryProcess_finish (ERRNO 1004): send 6 byte failed, because connection[fd=1] is closed
Client 1 close connection

echo server快速搭建成功。