private static int bind(
int firstPort,
int portsCount,
boolean tryAnyPort,
@NotNull ServerBootstrap bootstrap,
@NotNull ChannelRegistrar channelRegistrar)
throws Exception {
InetAddress address = NetUtils.getLoopbackAddress();
for (int i = 0; i < portsCount; i++) {
int port = firstPort + i;
if (ArrayUtil.indexOf(FORBIDDEN_PORTS, i) >= 0) {
continue;
}
ChannelFuture future = bootstrap.bind(address, port).awaitUninterruptibly();
if (future.isSuccess()) {
channelRegistrar.add(future.channel());
return port;
} else if (!tryAnyPort && i == (portsCount - 1)) {
ExceptionUtil.rethrowAll(future.cause());
}
}
LOG.info("We cannot bind to our default range, so, try to bind to any free port");
ChannelFuture future = bootstrap.bind(address, 0).awaitUninterruptibly();
if (future.isSuccess()) {
channelRegistrar.add(future.channel());
return ((InetSocketAddress) future.channel().localAddress()).getPort();
} else {
ExceptionUtil.rethrowAll(future.cause());
}
return -1; // unreachable
}
@Override
public void dispose() {
channelRegistrar.close(isOwnerOfEventLoopGroup);
LOG.info("web server stopped");
}
public boolean isRunning() {
return !channelRegistrar.isEmpty();
}