无聊写的一个PHP Socket类

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无聊写的一个PHP Socket类,功能还比较简单,不完善.

<?php
/** *//***
     * @project:socket类
     * @license:GPL
     * @author: 8th@live.cn-星期八
     * @description:PHP Socket协议异步通信
     * @file:socket.class.php
     * @created date:Fri Apr 25 12:22:33 CST 2008
     * @last modified :
     ***/
class sockets
{
    public $host;//通信地址
    public $port;//通信端口
    public $limitTime=0;//连接超时时间
    public $backlog=3;//请求队列中允许的最大请求数
    private $socket=null;
    private $result=null;
    private $spawn=null;
    private $input=null;
    //构造函数
    public function __construct()
    {
        set_time_limit($this->limitTime);
        $this->socket = socket_create(AF_INET, SOCK_STREAM, 0) or die("Could not create socket\n");
    }
    //创建Socket连接,监听外部连接
    public function socket_bind_listen()
    {
        $this->result = socket_bind($this->socket, $this->host, $this->port) or die("Could not bind to socket\n");
        $this->result = socket_listen($this->socket, $this->backlog) or die("Could not set up socket listener\n");
    }
    //接受请求连接,调用socket处理信息
    public function accept_client()
    {
        $this->spawn = socket_accept($this->socket) or die("Could not accept incoming connection\n");
        $msg = "Welcome to the Test Server";
        socket_write($this->spawn, $msg, strlen($msg));
    }
    // 读取客户端输入
    public function read_client()
    {
        $this->input = socket_read($this->spawn, 2048, PHP_NORMAL_READ) or die("Could not read input\n");
    }
    // 处理客户端输入并返回数据
    public function write_client()
    {
        socket_write($this->spawn, $this->input, strlen ($this->input)) or die("Could not write output\n");
    }
    //析构函数
    public function __destruct()
    {
        socket_close($this->spawn);
        socket_close($this->socket);
    }
}
/** *//***
$socket_test=new sockets();
$socket_test->host="192.168.0.2";
$socket_test->port="13654";
$socket_test->socket_bind_listen();
$socket_test->accept_client();
$socket_test->read_client();
$socket_test->write_client();
     ***/
?>