break;
DatagramChannel ch = null;
try {
ch = DatagramChannel.open();
DatagramSessionConfig cfg;
if (req.config.getSessionConfig() instanceof DatagramSessionConfig) {
cfg = (DatagramSessionConfig) req.config.getSessionConfig();
} else {
cfg = getDefaultConfig().getSessionConfig();
}
ch.socket().setReuseAddress(cfg.isReuseAddress());
ch.socket().setBroadcast(cfg.isBroadcast());
ch.socket().setReceiveBufferSize(cfg.getReceiveBufferSize());
ch.socket().setSendBufferSize(cfg.getSendBufferSize());
if (ch.socket().getTrafficClass() != cfg.getTrafficClass()) {
ch.socket().setTrafficClass(cfg.getTrafficClass());
}
ch.configureBlocking(false);
ch.socket().bind(req.address);
if (req.address == null || req.address.getPort() == 0) {