private long waitForNextTick() {
long deadline = startTime + tickDuration * tick;
for (; ; ) {
final long currentTime = System.currentTimeMillis();
long sleepTime = tickDuration * tick - (currentTime - startTime);
// Check if we run on windows, as if thats the case we will need
// to round the sleepTime as workaround for a bug that only affect
// the JVM if it runs on windows.
//
// See https://github.com/netty/netty/issues/356
if (DetectionUtil.isWindows()) {
sleepTime = sleepTime / 10 * 10;
}
if (sleepTime <= 0) {
break;
}
try {
Thread.sleep(sleepTime);
} catch (InterruptedException e) {
if (shutdown.get()) {
return -1;
}
}
}
// Increase the tick.
tick++;
return deadline;
}
@Override
public final void bind(final SocketAddress localAddress, final ChannelFuture future) {
if (eventLoop().inEventLoop()) {
if (!ensureOpen(future)) {
return;
}
try {
boolean wasActive = isActive();
// See: https://github.com/netty/netty/issues/576
if (!DetectionUtil.isWindows()
&& !DetectionUtil.isRoot()
&& Boolean.TRUE.equals(config().getOption(ChannelOption.SO_BROADCAST))
&& localAddress instanceof InetSocketAddress
&& !((InetSocketAddress) localAddress).getAddress().isAnyLocalAddress()) {
// Warn a user about the fact that a non-root user can't receive a
// broadcast packet on *nix if the socket is bound on non-wildcard address.
logger.warn(
"A non-root user can't receive a broadcast packet if the socket "
+ "is not bound to a wildcard address; binding to a non-wildcard "
+ "address ("
+ localAddress
+ ") anyway as requested.");
}
doBind(localAddress);
future.setSuccess();
if (!wasActive && isActive()) {
pipeline.fireChannelActive();
}
} catch (Throwable t) {
future.setFailure(t);
closeIfClosed();
}
} else {
eventLoop()
.execute(
new Runnable() {
@Override
public void run() {
bind(localAddress, future);
}
});
}
}
@Override
public void setBroadcast(boolean broadcast) {
try {
// See: https://github.com/netty/netty/issues/576
if (broadcast
&& !DetectionUtil.isWindows()
&& !DetectionUtil.isRoot()
&& !socket.getLocalAddress().isAnyLocalAddress()) {
// Warn a user about the fact that a non-root user can't receive a
// broadcast packet on *nix if the socket is bound on non-wildcard address.
logger.warn(
"A non-root user can't receive a broadcast packet if the socket "
+ "is not bound to a wildcard address; setting the SO_BROADCAST flag "
+ "anyway as requested on the socket which is bound to "
+ socket.getLocalSocketAddress()
+ '.');
}
socket.setBroadcast(broadcast);
} catch (SocketException e) {
throw new ChannelException(e);
}
}
