php socket实现简单的http服务器

比眉伴天荒 2022-03-07 01:43 318阅读 0赞

<?php
    
    function onMessage($connection)
    {
        //拼装返回的html内容
        $content = '<html><title>hello,world</title><body>hello,world,http</body></html>';
        //拼装头信息
        $header = '';
        $header .= "HTTP/1.1 200 OK\r\n";
        $header .= "Date: ".gmdate('D, d M Y H:i:s T')."\r\n";
        $header .= "Content-Type: text/html;charset=utf-8\r\n";
        $header .= "Content-Length: ".strlen($content)."\r\n\r\n";//必须2个\r\n表示头部信息结束
        $header .= $content;
        socket_write($connection,$header,strlen($header));
    
    }
    
    function onAccept($socket)
    {
        //接收客户端传递过来的信息
        while(true)
        {
            $accept_resource = socket_accept($socket);
            if($accept_resource !== false)
            {
                $string = socket_read($accept_resource,1024);
                echo 'server receive is :'.$string.PHP_EOL;
                if($string != false)
                {
                    call_user_func('onMessage',$accept_resource);
    
                }
            }
        }
    }
    
    
    function run()
    {
        //创建服务端的socket套接流,net协议为IPv4，protocol协议为TCP
        $socket = socket_create(AF_INET,SOCK_STREAM,SOL_TCP);
        /*绑定接收的套接流主机和端口,与客户端相对应*/
        if(socket_bind($socket,"0.0.0.0", 9502) == false){
            echo 'server bind fail:'.socket_strerror(socket_last_error());exit();
        }
        //监听套接流
        if(socket_listen($socket,4)==false){
            echo 'server listen fail:'.socket_strerror(socket_last_error());exit();
        }
        //非阻塞
        socket_set_nonblock($socket);
        call_user_func('onAccept',$socket);
    }
    
    run();

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