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PHP+SOCKET例证

程序员文章站 2022-06-05 16:19:27
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PHP+SOCKET例子
// Client 
// 设置错误处理
error_reporting (E_ALL);
// 设置处理时间
set_time_limit (0);

$ip = "";       // IP 地址
$port = 1000;            // 端口号

$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP);   // 创建一个SOCKET
if ($socket)
    echo "socket_create() 成功!
\n"; else echo "socket_create() 失败:".socket_strerror ($socket)."
\n"; $conn = socket_connect ($socket, $ip, $port); // 建立SOCKET的连接 if ($conn) echo "成功连接到[".$ip.":".$port."]
\n"; else echo "socket_connect() 失败:".socket_strerror ($conn)."
\n"; echo socket_read ($socket, 1024)."
"; $stdin = fopen ('php://stdin', 'r'); $ar = array("HELLO","HELP","test","QUIT"); $i = 0; while (true) { // $command = trim (fgets ($stdin, 1024)); // socket_write ($socket, $command, strlen ($command)); echo "发送 $ar[$i]
"; socket_write ($socket, $ar[$i], strlen($ar[$i])); $i++; $msg = trim (socket_read ($socket, 1024)); echo "收到:$msg
\n"; if ($msg == "Bye-Bye") break; } fclose ($stdin); socket_close ($socket);

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// Server
// 设置错误处理
error_reporting (E_ALL);
// 设置运行时间
set_time_limit (0);
// 起用缓冲
ob_implicit_flush ();
$ip = "";        // IP地址
$port = 1000;             // 端口号

$socket = socket_create (AF_INET, SOCK_STREAM, SOL_TCP);       // 创建一个SOCKET
if ($socket)
    echo "socket_create() successed!\n";
else
    echo "socket_create() failed:".socket_strerror ($socket)."\n";

$bind = socket_bind ($socket, $ip, $port);              // 绑定一个SOCKET
if ($bind)
    echo "socket_bind() successed!\n";
else
    echo "socket_bind() failed:".socket_strerror ($bind)."\n";

$listen = socket_listen ($socket);                 // 间听SOCKET
if ($listen)
    echo "socket_listen() successed!\n";
else
    echo "socket_listen() failed:".socket_strerror ($listen)."\n";

while (true)
{
    $msg = socket_accept ($socket);               // 接受一个SOCKET
    if (!$msg)
    {
        echo "socket_accept() failed:".socket_strerror ($msg)."\n";
        break;
    }
    $welcome = "服务端收到:Welcome to PHP Server!\n";
    socket_write ($msg, $welcome, strlen ($welcome));
    while (true)
    {
        $command = strtoupper (trim (socket_read ($msg, 1024)));
        if (!$command)
            break;
        switch ($command)
        {
            case "HELLO":
                $writer = "Hello Everybody!";
                break;
            case "QUIT":
                $writer = "Bye-Bye";
                break;
            case "HELP":
                $writer = "HELLO\tQUIT\tHELP";
                break;
            default:
                $writer = "Error Command!";
        }
        socket_write ($msg, $writer, strlen ($writer));
        if ($command == "QUIT")
            break;
    }
    socket_close ($msg);
    if ($command == "QUIT")
        break;
}

socket_close ($socket);                   // 关闭SOCKET

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PHP+SOCKET例证

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