Examples with DelegatingConnectionFactory io.servicetalk.client.api.DelegatingConnectionFactory used on opensource projects

Example 1 with DelegatingConnectionFactory

use of io.servicetalk.client.api.DelegatingConnectionFactory in project servicetalk by apple.

the class RetryRequestWithNonRepeatablePayloadTest method setUp.

private void setUp(HttpProtocol protocol, TestPublisher<Buffer> payloadBody, Queue<Throwable> errors, boolean offloading) {
    protocol(protocol.config);
    ChannelOutboundHandler firstWriteHandler = new FailingFirstWriteHandler();
    connectionFactoryFilter(ConnectionFactoryFilter.withStrategy(factory -> new DelegatingConnectionFactory<InetSocketAddress, FilterableStreamingHttpConnection>(factory) {

        @Override
        public Single<FilterableStreamingHttpConnection> newConnection(InetSocketAddress address, @Nullable TransportObserver observer) {
            return delegate().newConnection(address, observer).map(c -> {
                final Channel channel = ((NettyConnectionContext) c.connectionContext()).nettyChannel();
                if (protocol == HTTP_1) {
                    // Insert right before HttpResponseDecoder to avoid seeing failed frames on wire logs
                    channel.pipeline().addBefore(HttpRequestEncoder.class.getSimpleName() + "#0", null, firstWriteHandler);
                } else if (protocol == HTTP_2) {
                    // Insert right before Http2MultiplexHandler to avoid failing connection-level frames and
                    // seeing failed stream frames on frame/wire logs
                    channel.pipeline().addBefore(Http2MultiplexHandler.class.getSimpleName() + "#0", null, firstWriteHandler);
                }
                return new StreamingHttpConnectionFilter(c) {

                    @Override
                    public Single<StreamingHttpResponse> request(StreamingHttpRequest request) {
                        return delegate().request(request).whenOnError(t -> {
                            try {
                                assertThat("Unexpected exception type", t, instanceOf(RetryableException.class));
                                assertThat("Unexpected exception type", t.getCause(), instanceOf(DeliberateException.class));
                                assertThat("Unexpected subscribe to payload body", payloadBody.isSubscribed(), is(false));
                            } catch (Throwable error) {
                                errors.add(error);
                            }
                        });
                    }
                };
            });
        }
    }, ExecutionStrategy.offloadNone()));
    setUp(offloading ? CACHED : IMMEDIATE, offloading ? CACHED_SERVER : IMMEDIATE);
}