public static function read_message($s)
{
$frame_type_str = socket_read($s, 1);
$message = '';
$frame_type = ord($frame_type_str);
if (($frame_type & 0x80) == 0x80) {
# The payload length is specified in the frame.
# Read and discard
$len = web_socket_protocol::payload_length($s);
if ($len) {
$message = socket_read($s, $len);
}
} else {
# The payload is delimited with \xff.c
$data = '';
$chr = '';
do {
$chr = socket_read($s, 1);
if ($chr != "ÿ") {
$data .= $chr;
}
} while ($chr && $chr != "ÿ");
if ($frame_type == 0x0) {
# I SHOULD ONLY ACCEPT THE DATA if the frame type is a null byte
$message = $data;
} else {
# Discard data of other types.
if (DEBUG) {
echo "[DEBUG] frame type is not a null byte! TRASH\n";
}
}
}
return $message;
}
public static function write($s, $data)
{
if ($GLOBALS['clients'][self::$current_socket_key] == 'websocket') {
$data = web_socket_protocol::frame_response($data);
}
$bytes = @socket_write($s, $data, strlen($data));
if ($bytes === false) {
//client has disconnected
}
}
if (DEBUG) {
echo "[DEBUG] client {$sock} disconnecting...\n";
}
module::dispatch_event('close', false, $sock, array());
// close socket
socket_close($s);
unset($sockets[$sock]);
unset($clients[$sock]);
//array_splice($sockets, $sock, 1);
//array_splice($clients, $sock, 1);
} else {
if (!$clients[$sock] && web_socket_protocol::is_handshake($str)) {
if (DEBUG) {
echo "web socket request!\n";
}
response::me(web_socket_protocol::handshake($str));
$clients[$sock] = 'websocket';
//flag the client as a web socket client
} else {
///TODO create client_data and
module::dispatch_event('message', $str, $sock, array());
}
}
}
}
}
}
} while (true);
socket_close($listen);
if ($listen_policy) {
socket_close($listen_policy);
