HAProxyIntegrationTest Class — netty Architecture

Source Code

codec-haproxy/src/test/java/io/netty/handler/codec/haproxy/HAProxyIntegrationTest.java lines 40–97

public class HAProxyIntegrationTest {

    @Test
    public void testBasicCase() throws Exception {
        final CountDownLatch latch = new CountDownLatch(1);
        final AtomicReference<HAProxyMessage> msgHolder = new AtomicReference<HAProxyMessage>();
        LocalAddress localAddress = new LocalAddress("HAProxyIntegrationTest");

        EventLoopGroup group = new MultiThreadIoEventLoopGroup(LocalIoHandler.newFactory());
        ServerBootstrap sb = new ServerBootstrap();
        sb.channel(LocalServerChannel.class)
          .group(group)
          .childHandler(new ChannelInitializer() {
              @Override
              protected void initChannel(Channel ch) throws Exception {
                  ch.pipeline().addLast(new HAProxyMessageDecoder());
                  ch.pipeline().addLast(new SimpleChannelInboundHandler<HAProxyMessage>() {
                      @Override
                      protected void channelRead0(ChannelHandlerContext ctx, HAProxyMessage msg) throws Exception {
                          msgHolder.set(msg.retain());
                          latch.countDown();
                      }
                  });
              }
          });
        Channel serverChannel = sb.bind(localAddress).sync().channel();

        Bootstrap b = new Bootstrap();
        Channel clientChannel = b.channel(LocalChannel.class)
                                 .handler(HAProxyMessageEncoder.INSTANCE)
                                 .group(group)
                                 .connect(localAddress).sync().channel();

        try {
            HAProxyMessage message = new HAProxyMessage(
                    HAProxyProtocolVersion.V1, HAProxyCommand.PROXY, HAProxyProxiedProtocol.TCP4,
                    "192.168.0.1", "192.168.0.11", 56324, 443);
            clientChannel.writeAndFlush(message).sync();

            assertTrue(latch.await(5, TimeUnit.SECONDS));
            HAProxyMessage readMessage = msgHolder.get();

            assertEquals(message.protocolVersion(), readMessage.protocolVersion());
            assertEquals(message.command(), readMessage.command());
            assertEquals(message.proxiedProtocol(), readMessage.proxiedProtocol());
            assertEquals(message.sourceAddress(), readMessage.sourceAddress());
            assertEquals(message.destinationAddress(), readMessage.destinationAddress());
            assertEquals(message.sourcePort(), readMessage.sourcePort());
            assertEquals(message.destinationPort(), readMessage.destinationPort());

            readMessage.release();
        } finally {
            clientChannel.close().sync();
            serverChannel.close().sync();
            group.shutdownGracefully().sync();
        }
    }
}