hello, im trying to make a simple php socket client that will send a small string of data to a server
heres what i have
$host = "server ip";
$port = 4321; // nat opened port
$timeout = 6000;
$sk = fsockopen($host,$port,$errnum,$errstr,$timeout);
if (!is_resource($sk) || $errnum) {
exit("connection fail: ".$errnum." ".$errstr);
} else {
stream_set_blocking($sk, false);
fwrite($sk, "hello world");
$dati = "";
while (!feof($sk)) {
$chunk = fgets ($sk, 1024);
if ($chunk !== False) {
$dati.= $chunk;
break;
}
}
echo $dati;
}
fclose($sk);
error_reporting(E_ALL);
echo "<h2>TCP/IP Connection</h2>\n";
/* Get the port for the WWW service. */
$service_port = 4321;
/* Get the IP address for the target host. */
$address = "server ip";
/* Create a TCP/IP socket. */
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
if ($socket === false) {
echo "socket_create() failed: reason: " . socket_strerror(socket_last_error()) . "\n";
} else {
echo "OK.\n";
}
echo "Attempting to connect to '$address' on port '$service_port'...";
$result = socket_connect($socket, $address, $service_port);
if ($result === false) {
echo "socket_connect() failed.\nReason: ($result) " . socket_strerror(socket_last_error($socket)) . "\n";
} else {
echo "OK.\n";
}
stream_set_blocking($socket, false);
$in = "Hello World!\r\n";
$out = '';
echo "Sending request...";
socket_write($socket, $in, strlen($in));
echo "OK.\n";
echo "Reading response:\n\n";
while ($chunk = socket_read($socket, 2048)) {
if ($chunk !== False) {
$out.= $chunk;
break;
}
}
echo $out;
echo "Closing socket...";
socket_close($socket);
echo "OK.";
i was able to get things running locally with both scripts, but im trying to make one of them work with them being run on a remote server, but i keep getting the same issue of getting an instant disconnected message from my server and client times out. i have port 4321 on the router open to the socket server program. my webhost's php info says they allow sockets
