/**
* get an EPP frame from the remote peer
* @param resource $socket a socket connected to the remote peer
* @throws Exception on frame errors.
* @return string the frame
*/
static function getFrame($socket)
{
// Read header
$hdr = Net_EPP_Protocol::_fread_nb($socket, 4);
if (strlen($hdr) < 4) {
throw new Exception(sprintf('Short read of %d bytes from peer', strlen($hdr)));
}
// Unpack first 4 bytes which is our length
$unpacked = unpack('N', $hdr);
$length = $unpacked[1];
if ($length < 5) {
throw new Exception(sprintf('Got a bad frame header length of %d bytes from peer', $length));
} else {
$length -= 4;
// discard the length of the header itself
// Read frame
return Net_EPP_Protocol::_fread_nb($socket, $length);
}
}
