Tryag File Manager

//home/egg.eemo.co.kr/public_html/test_sock3.php

<?
error_reporting(E_ALL);

/* Allow the script to hang around waiting for connections. */
set_time_limit(0);

/* Turn on implicit output flushing so we see what we're getting as it comes in. */
ob_implicit_flush();

$address = '0.0.0.0';

$port = 9090;

// create a streaming socket, of type TCP/IP
$sock = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);

socket_set_option($sock, SOL_SOCKET, SO_REUSEADDR, 1);

socket_bind($sock, $address, $port);

socket_listen($sock);

// create a list of all the clients that will be connected to us..
// add the listening socket to this list
$clients = array($sock);

while (true)
{
    // create a copy, so $clients doesn't get modified by socket_select()
    $read = $clients;
    $write = null;
    $except = null;

// get a list of all the clients that have data to be read from
    // if there are no clients with data, go to next iteration
	
    if (socket_select($read, $write, $except, 1000) < 1)
        continue;

// check if there is a client trying to connect
    if (in_array($sock, $read))
    {
        $clients[] = $newsock = socket_accept($sock);

//socket_write($newsock, "There are ".(count($clients) - 1)." client(s) connected to the server\n");

echo "now ".(count($clients) - 1)." clients connected\n";

socket_getpeername($newsock, $ip, $port);
        echo "New client connected: ip : {$ip} , port : {$port}\n";

$key = array_search($sock, $read);
        unset($read[$key]);
    }

// loop through all the clients that have data to read from
    foreach ($read as $read_sock)
    {
        // read until newline or 1024 bytes
        // socket_read while show errors when the client is disconnected, so silence the error messages
        $data = @socket_read($read_sock, 4096);

// check if the client is disconnected
        if ($data == null)
        {
            // remove client for $clients array
            $key = array_search($read_sock, $clients);
            unset($clients[$key]);
            echo "client disconnected. sock id : {$read_sock}\n";
			socket_close($read_sock);
            continue;
        }

$data = trim($data);

if (!empty($data))
        {
            echo " receive data : {$data} , from sock id : $read_sock\n";

// do sth..

// send some message to listening socket
			$response_data="response ok ";
			socket_write($read_sock, $response_data, strlen($response_data));

// send this to all the clients in the $clients array (except the first one, which is a listening socket)
            foreach ($clients as $send_sock)
            {
                if ($send_sock == $sock)
                    continue;

$response_data2="abcdef";

socket_write($send_sock, $response_data2, strlen($response_data2));
				echo "we send sock id is {$send_sock}, message : {$response_data2} \n";

} // end of broadcast foreach
        }

} // end of reading foreach
}

// close the listening socket
socket_close($sock);
?>