PHP TCP套接字连接限制 - Windows服务器

时间:2016-01-25 12:52:18

标签: php windows sockets tcp server

我有一个奇怪的问题,我似乎无法找到解决方案或更接近我遇到的问题,

这是事情,我在命令行上通过php运行scoket脚本,它接受连接并从移动应用程序客户端以json格式读取数据,并在json中发送适当的响应。

一切正常,但连接数不超过256连接。

我想知道为什么会这样,我该如何解决?我已经这么多天了,但没有运气!

以下是脚本代码段

<?php

date_default_timezone_set("UTC");
$server = stream_socket_server("tcp://192.168.1.77:25003", $errno, $errorMessage);

if (!$server) {
    die("$errstr ($errno)");
}

echo "Server started..";
echo "\r\n";

$client_socks = array();

while (true) {
    //prepare readable sockets
    $read_socks = $client_socks;
    $read_socks[] = $server;

    //start reading and use a large timeout
    if (!stream_select ($read_socks, $write, $except, 10000)) {
        die('something went wrong while selecting');
    }

    //new client
    if (in_array($server, $read_socks)) {
        $new_client = stream_socket_accept($server);

        if ($new_client) {
            //print remote client information, ip and port number
            echo 'Connection accepted from ' . stream_socket_get_name($new_client, true);
            echo "\r\n";

            $client_socks[] = $new_client;
            echo "Now there are total ". count($client_socks) . " clients";
            echo "\r\n";
        }        

        //  echo stream_socket_get_name($new_client, true);
        //delete the server socket from the read sockets
        unset($read_socks[array_search($server, $read_socks)]);
    }

    $data = '';
    $res = '';

    //message from existing client
    foreach($read_socks as $sock) {
        stream_set_timeout($sock, 1000); 
        while($resp = fread($sock, 25000)) {
           $data .= $resp;
           if (strpos($data, "\n") !== false) {
                break;
            }
        }

        $info = stream_get_meta_data($sock);    

        if ($info['timed_out']) {
            unset($client_socks[array_search($sock, $client_socks)]);
            @fclose($sock);  
            echo 'Connection timed out!';
            continue;
        }       

        $client = stream_socket_get_name($sock, true);

        if (!$data) {
            unset($client_socks[array_search($sock, $client_socks)]);
            @fclose($sock);           

            echo "$client got disconnected";
            echo "\r\n";
            continue;
        }

        //send the message back to client
        $decode = json_decode($data);


        $encode = json_encode($res);   
        fwrite($sock,$encode."\n");      
    } 
}

P.S。:我所做的是对该主题的广泛搜索,并查看了这些文章, http://smallvoid.com/article/winnt-tcpip-max-limit.html和其他两十几人。

我有一个Windows 7运行这个东西+ wamp 2.5运行php 5.5.12

1 个答案:

答案 0 :(得分:0)

它与您的代码无关,它是一个&#34;功能&#34; MS Windows使您购买服务器版本(或升级到不同的操作系统)。从功能上讲,NT内核的服务器和桌面版本之间没有区别(一些不同的优化调整),这只是确保您遵守许可条款的一种方法。