/** Sends the message to a recipient */
private void sendMessage(
DatagramSocket socket,
String label,
InetSocketAddress to,
NameServicesChannelMessage message) {
if (isSameSocketAddress(socket, to))
_logger.info("{} sending message. to=self, message={}", label, message);
else _logger.info("{} sending message. to={}, message={}", label, to, message);
if (socket == null) {
_logger.info("{} is not available yet; ignoring send request.", label);
return;
}
// convert into bytes
String json = Serialisation.serialise(message);
byte[] bytes = json.getBytes(UTF8Charset.instance());
DatagramPacket packet = new DatagramPacket(bytes, bytes.length);
packet.setSocketAddress(to);
try {
socket.send(packet);
if (to.getAddress().isMulticastAddress()) {
s_multicastOutData.addAndGet(bytes.length);
s_multicastOutOps.incrementAndGet();
} else {
s_unicastOutData.addAndGet(bytes.length);
s_unicastOutOps.incrementAndGet();
}
} catch (IOException exc) {
if (!_enabled) return;
if (socket.isClosed())
_logger.info(s_sendSocketLabel + " send() ignored as socket is being recycled.");
else _logger.warn(s_sendSocketLabel + " send() failed. ", exc);
}
} // (method)
/** Parses the incoming packet. */
private NameServicesChannelMessage parsePacket(DatagramPacket dp) {
String packetString = new String(dp.getData(), 0, dp.getLength(), UTF8Charset.instance());
return (NameServicesChannelMessage)
Serialisation.coerceFromJSON(NameServicesChannelMessage.class, packetString);
}