Examples with FileDescriptor io.netty.channel.unix.FileDescriptor used on opensource projects

Example 1 with FileDescriptor

use of io.netty.channel.unix.FileDescriptor in project netty by netty.

the class EpollDomainSocketFdTest method testSendRecvFd.

public void testSendRecvFd(ServerBootstrap sb, Bootstrap cb) throws Throwable {
    final BlockingQueue<Object> queue = new LinkedBlockingQueue<Object>(1);
    sb.childHandler(new ChannelInboundHandlerAdapter() {

        @Override
        public void channelActive(ChannelHandlerContext ctx) throws Exception {
            // Create new channel and obtain a file descriptor from it.
            final EpollDomainSocketChannel ch = new EpollDomainSocketChannel();
            ctx.writeAndFlush(ch.fd()).addListener(new ChannelFutureListener() {

                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        Throwable cause = future.cause();
                        queue.offer(cause);
                    }
                }
            });
        }
    });
    cb.handler(new ChannelInboundHandlerAdapter() {

        @Override
        public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
            FileDescriptor fd = (FileDescriptor) msg;
            queue.offer(fd);
        }

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
            queue.add(cause);
            ctx.close();
        }
    });
    cb.option(EpollChannelOption.DOMAIN_SOCKET_READ_MODE, DomainSocketReadMode.FILE_DESCRIPTORS);
    Channel sc = sb.bind().sync().channel();
    Channel cc = cb.connect().sync().channel();
    Object received = queue.take();
    cc.close().sync();
    sc.close().sync();
    if (received instanceof FileDescriptor) {
        FileDescriptor fd = (FileDescriptor) received;
        Assert.assertTrue(fd.isOpen());
        fd.close();
        Assert.assertFalse(fd.isOpen());
        Assert.assertNull(queue.poll());
    } else {
        throw (Throwable) received;
    }
}