Mi piacerebbe chiedere come creare un socket PHP che possa ricevere richieste da telefono Android in tempo reale? Per ora, ho fatto questa parte del codice e sono riuscito a testarlo usando telnet. Tuttavia, quando il telefono Android tenta di connettersi, non può ricevere o inviare nulla al server.PHP Socket con android
if (!defined('SOCKET_ADDRESS')) {
define('SOCKET_ADDRESS', '192.168.1.4');
}
if (!defined('SOCKET_PORT')) {
define('SOCKET_PORT', '5888');
}
if (!defined('MAX_CLIENTS')) {
define('MAX_CLIENTS', '10');
}
set_time_limit(0);
$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
socket_set_option($socket, SOL_SOCKET, SO_REUSEADDR, 1);
socket_bind($socket, SOCKET_ADDRESS, SOCKET_PORT) or die('Could not bind to address ' . SOCKET_ADDRESS . ' on port ' . SOCKET_PORT . "!\n");
socket_listen($socket, MAX_CLIENTS) or die("Could not setup socket listener!\n");
// setup read socket array
$read = array();
// client array w/ default initial socket
$clients = array('0' => array('socket' => $socket));
// force debug at first run..
$debug = true;
$time = time();
printf('Time: %d%s', $time, "\n");
$status = true;
while ($status) {
if (time() - $time >= 10) {
$time = time();
printf('Time: %d%s', $time, "\n");
$debug = true;
}
if ($debug === true) {
printf('Debug: %s%s', $debug, "\n");
}
// $read[0] = $socket;
if ($debug) {
var_dump($read);
}
// Handle clients
for ($i = 0; $i < count($clients); $i++) {
if (isset($clients[$i]['socket'])) {
if ($debug === true) {
printf('Setting socket %d to client %d%s', $i, $i, "\n");
}
$read[$i] = $clients[$i]['socket'];
}
}
if ($debug) {
var_dump($read);
}
// Any changed sockets?
// $write and $except are only placeholders
$changed_sockets = socket_select($read, $write = NULL, $except = NULL, 0);
if ($debug === true) {
printf('Changed sockets: %d%s', $changed_sockets, "\n");
}
// Handle new connections
if (in_array($socket, $read)) {
for ($i = 0; $i < MAX_CLIENTS; $i++) {
if (!isset($clients[$i])) {
$clients[$i]['socket'] = socket_accept($socket);
socket_getpeername($clients[$i]['socket'], $ip);
$clients[$i]['ip'] = $ip;
printf('Accepting connection into client %d from %s%s', $i, $ip, "\n");
break;
}
// } elseif($i == MAX_CLIENTS - 1) {
// echo 'Too many clients connected!', "\n";
// }
if ($changed_sockets < 1) {
continue;
}
}
}
if ($debug) {
var_dump($clients);
}
for ($i = 0; $i < count($clients); $i++) {
$client = $clients[$i];
// Has our client socket seen any changes?
if (in_array($client['socket'], $read)) {
printf('Client %d has changed! Reading...%s', $i, "\n");
$data = socket_read($client['socket'], 1024);
if ($data === false) {
$error = socket_strerror(socket_last_error());
printf('An error occured...%s%s', $error, "\n");
}
printf("Read raw data %s from client %i%s", $data, $i, "\n");
if ($data === null) {
// disconnected
unset($clients[$i]);
}
$data = trim($data);
if ($data == 'Q') {
printf('Received exit command from client%s', "\n");
socket_close($clients[$i]['socket']);
$status = false;
} elseif ($data) {
// Strip whitespace
printf('Received data: %s from client %d%s', $data, $i, "\n");
$output = sprintf('%s%s%s', $data, "\n", chr(0));
socket_write($client['socket'], $output);
}
}
}
// reset debug
$debug = false;
}
socket_close($socket);
Posso inviare un file xml usando android a php? –
Sì, è possibile inviare come stringa. –