<?php

class SendDevAction{

    //log日志文件

    private $logDevFile = "";

    //日志字符串

    private $logStr = "";

    //用于发送接收的socket对象

    private $socket;

    //socket连接对象

    private $connect;

    //对方服务器ip

    private $host = "211.155.82.229";

    //服务器端口

    private $port = 14527;

    //接收回传字符串长度

    private $getStrLength = 16384;

    function __construct(){

        //确定日志文件路径，（自定义）

        $this->logDevFile = "Temp/socket_log/" . date("Y-m-d") . "Dev.log";

        //创建一个socket，定义相关属性。AF_INET 在socket中定义为常量值为2，SOCK_STREAM常量值为1，SOL_TCP值为6

        $this->socket = socket_create ( AF_INET, SOCK_STREAM, SOL_TCP );

        //连接对方机器

        $this->connect = socket_connect ( $this->socket, $this->host, $this->port );

        //第一次握手，如果失败则返回不再执行

        $this->firstHandshake();

    }

    //socket第一次握手

    function firstHandshake(){

        //日志写入本次握手时间，和远程服务器(发送+接收)一次算一次握手

        $this->logStr .= "\r\n\r\n".date("Y-m-d H:i:s")."\r\n";

        //要发送的字符串

        $sendStr = "hello world";

        //日志写入发送的字符串

        $this->logStr .= $sendStr."\r\n";

        //发送字符串

        socket_write ( $this->socket, $sendStr, strlen ( $sendStr ) );

        //接收

        $getStr = socket_read ( $this->socket, $this->getStrLength );

        /*

        //如果接收字符串过大，可循环多次接收直到接收完整

        $getStr = "";

        while(true){

            $getStr .= socket_read( $this->socket,$this->getStrLength,PHP_BINARY_READ);

            //根据回传字符串内容格式判断已接收完全字符串，这里回传字符串以 }] 结尾，并且全文只包含一次 }] 字符串

            if(substr_count($getStr, "}]") > 0){

                break;

            }

        }

        */

        //日志写入接收完成时间

        $this->logStr .= date("Y-m-d H:i:s")."\r\n";

        //日志写入接收字符串

        $this->logStr .= $getStr."\r\n\r\n";

        //将日志内容补充写入日志文件文本的最下面，如无日志文件则生成新日志文件

        file_put_contents($this->logDevFile, $this->logStr,FILE_APPEND);

        //关闭socket连接

        socket_close ( $this->connect );

        //关闭socket对象

        socket_close ( $this->socket );

    }

}

//此socket代码只是发送消息的客户端，不是接收的服务器端，服务器端以后补充

$sendDevAction = new SendDevAction();