/**
* Closes {@link #datagramTransport} if it is non-<tt>null</tt> and logs and swallows any
* <tt>IOException</tt>.
*/
private void closeDatagramTransport() {
if (datagramTransport != null) {
try {
datagramTransport.close();
} catch (IOException ioe) {
// DatagramTransportImpl has no reason to fail because it is
// merely an adapter of #connector and this PacketTransformer to
// the terms of the Bouncy Castle Crypto API.
logger.error("Failed to (properly) close " + datagramTransport.getClass(), ioe);
}
datagramTransport = null;
}
}
