Examples with ChannelHandler io.netty.channel.ChannelHandler used on opensource projects

Example 56 with ChannelHandler

use of io.netty.channel.ChannelHandler in project grpc-java by grpc.

the class ProtocolNegotiatorsTest method clientTlsHandler_firesNegotiation.

@Test
public void clientTlsHandler_firesNegotiation() throws Exception {
    SelfSignedCertificate cert = new SelfSignedCertificate("authority");
    SslContext clientSslContext = GrpcSslContexts.configure(SslContextBuilder.forClient().trustManager(cert.cert())).build();
    SslContext serverSslContext = GrpcSslContexts.configure(SslContextBuilder.forServer(cert.key(), cert.cert())).build();
    FakeGrpcHttp2ConnectionHandler gh = FakeGrpcHttp2ConnectionHandler.newHandler();
    ClientTlsProtocolNegotiator pn = new ClientTlsProtocolNegotiator(clientSslContext, null);
    WriteBufferingAndExceptionHandler clientWbaeh = new WriteBufferingAndExceptionHandler(pn.newHandler(gh));
    SocketAddress addr = new LocalAddress("addr");
    ChannelHandler sh = ProtocolNegotiators.serverTls(serverSslContext).newHandler(FakeGrpcHttp2ConnectionHandler.noopHandler());
    WriteBufferingAndExceptionHandler serverWbaeh = new WriteBufferingAndExceptionHandler(sh);
    Channel s = new ServerBootstrap().childHandler(serverWbaeh).group(group).channel(LocalServerChannel.class).bind(addr).sync().channel();
    Channel c = new Bootstrap().handler(clientWbaeh).channel(LocalChannel.class).group(group).register().sync().channel();
    ChannelFuture write = c.writeAndFlush(NettyClientHandler.NOOP_MESSAGE);
    c.connect(addr).sync();
    write.sync();
    boolean completed = gh.negotiated.await(TIMEOUT_SECONDS, TimeUnit.SECONDS);
    if (!completed) {
        assertTrue("failed to negotiated", write.await(TIMEOUT_SECONDS, TimeUnit.SECONDS));
        // sync should fail if we are in this block.
        write.sync();
        throw new AssertionError("neither wrote nor negotiated");
    }
    c.close();
    s.close();
    pn.close();
    assertThat(gh.securityInfo).isNotNull();
    assertThat(gh.securityInfo.tls).isNotNull();
    assertThat(gh.attrs.get(GrpcAttributes.ATTR_SECURITY_LEVEL)).isEqualTo(SecurityLevel.PRIVACY_AND_INTEGRITY);
    assertThat(gh.attrs.get(Grpc.TRANSPORT_ATTR_SSL_SESSION)).isInstanceOf(SSLSession.class);
    // This is not part of the ClientTls negotiation, but shows that the negotiation event happens
    // in the right order.
    assertThat(gh.attrs.get(Grpc.TRANSPORT_ATTR_REMOTE_ADDR)).isEqualTo(addr);
}

Example 57 with ChannelHandler

use of io.netty.channel.ChannelHandler in project grpc-java by grpc.

the class ProtocolNegotiatorsTest method tlsHandler_handlerAddedAddsSslHandler.

@Test
public void tlsHandler_handlerAddedAddsSslHandler() throws Exception {
    ChannelHandler handler = new ServerTlsHandler(grpcHandler, sslContext, null);
    pipeline.addLast(handler);
    assertTrue(pipeline.first() instanceof SslHandler);
}

Example 58 with ChannelHandler

use of io.netty.channel.ChannelHandler in project grpc-java by grpc.

the class ProtocolNegotiatorsTest method clientTlsHandler_userEventTriggeredSslEvent_unsupportedProtocol.

@Test
public void clientTlsHandler_userEventTriggeredSslEvent_unsupportedProtocol() throws Exception {
    SslHandler goodSslHandler = new SslHandler(engine, false) {

        @Override
        public String applicationProtocol() {
            return "badproto";
        }
    };
    DefaultEventLoopGroup elg = new DefaultEventLoopGroup(1);
    ClientTlsHandler handler = new ClientTlsHandler(grpcHandler, sslContext, "authority", elg, noopLogger);
    pipeline.addLast(handler);
    final AtomicReference<Throwable> error = new AtomicReference<>();
    ChannelHandler errorCapture = new ChannelInboundHandlerAdapter() {

        @Override
        public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
            error.set(cause);
        }
    };
    pipeline.addLast(errorCapture);
    pipeline.replace(SslHandler.class, null, goodSslHandler);
    pipeline.fireUserEventTriggered(ProtocolNegotiationEvent.DEFAULT);
    channelHandlerCtx = pipeline.context(handler);
    Object sslEvent = SslHandshakeCompletionEvent.SUCCESS;
    pipeline.fireUserEventTriggered(sslEvent);
    // Bad protocol was specified, so there should be an error, (normally handled by WBAEH)
    assertThat(error.get()).hasMessageThat().contains("Unable to find compatible protocol");
    ChannelHandlerContext grpcHandlerCtx = pipeline.context(grpcHandler);
    assertNull(grpcHandlerCtx);
}

Example 59 with ChannelHandler

use of io.netty.channel.ChannelHandler in project grpc-java by grpc.

the class ProtocolNegotiatorsTest method engineLog.

@Test
public void engineLog() {
    ChannelHandler handler = new ServerTlsHandler(grpcHandler, sslContext, null);
    pipeline.addLast(handler);
    channelHandlerCtx = pipeline.context(handler);
    Logger logger = Logger.getLogger(ProtocolNegotiators.class.getName());
    Filter oldFilter = logger.getFilter();
    try {
        logger.setFilter(new Filter() {

            @Override
            public boolean isLoggable(LogRecord record) {
                // We still want to the log method to be exercised, just not printed to stderr.
                return false;
            }
        });
        ProtocolNegotiators.logSslEngineDetails(Level.INFO, channelHandlerCtx, "message", new Exception("bad"));
    } finally {
        logger.setFilter(oldFilter);
    }
}

Example 60 with ChannelHandler

use of io.netty.channel.ChannelHandler in project grpc-java by grpc.

the class ProtocolNegotiatorsTest method waitUntilActiveHandler_firesNegotiation.

@Test
public void waitUntilActiveHandler_firesNegotiation() throws Exception {
    EventLoopGroup elg = new DefaultEventLoopGroup(1);
    SocketAddress addr = new LocalAddress("addr");
    final AtomicReference<Object> event = new AtomicReference<>();
    ChannelHandler next = new ChannelInboundHandlerAdapter() {

        @Override
        public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {
            event.set(evt);
            ctx.close();
        }
    };
    Channel s = new ServerBootstrap().childHandler(new ChannelInboundHandlerAdapter()).group(elg).channel(LocalServerChannel.class).bind(addr).sync().channel();
    Channel c = new Bootstrap().handler(new WaitUntilActiveHandler(next, noopLogger)).channel(LocalChannel.class).group(group).connect(addr).sync().channel();
    c.pipeline().fireUserEventTriggered(ProtocolNegotiationEvent.DEFAULT);
    SocketAddress localAddr = c.localAddress();
    ProtocolNegotiationEvent expectedEvent = ProtocolNegotiationEvent.DEFAULT.withAttributes(Attributes.newBuilder().set(Grpc.TRANSPORT_ATTR_LOCAL_ADDR, localAddr).set(Grpc.TRANSPORT_ATTR_REMOTE_ADDR, addr).set(GrpcAttributes.ATTR_SECURITY_LEVEL, SecurityLevel.NONE).build());
    c.closeFuture().sync();
    assertThat(event.get()).isInstanceOf(ProtocolNegotiationEvent.class);
    ProtocolNegotiationEvent actual = (ProtocolNegotiationEvent) event.get();
    assertThat(actual).isEqualTo(expectedEvent);
    s.close();
    elg.shutdownGracefully();
}