Examples with TimeoutTransportCallback com.linkedin.r2.transport.http.client.TimeoutTransportCallback used on opensource projects

Example 1 with TimeoutTransportCallback

use of com.linkedin.r2.transport.http.client.TimeoutTransportCallback in project rest.li by linkedin.

the class Http2NettyStreamClient method doWriteRequest.

@Override
protected void doWriteRequest(Request request, final RequestContext context, SocketAddress address, TimeoutTransportCallback<StreamResponse> callback) {
    final AsyncPool<Channel> pool;
    try {
        pool = _channelPoolManager.getPoolForAddress(address);
    } catch (IllegalStateException e) {
        errorResponse(callback, e);
        return;
    }
    context.putLocalAttr(R2Constants.HTTP_PROTOCOL_VERSION, HttpProtocolVersion.HTTP_2);
    Callback<Channel> getCallback = new ChannelPoolGetCallback(pool, request, callback);
    final Cancellable pendingGet = pool.get(getCallback);
    if (pendingGet != null) {
        callback.addTimeoutTask(() -> pendingGet.cancel());
    }
}

Example 2 with TimeoutTransportCallback

use of com.linkedin.r2.transport.http.client.TimeoutTransportCallback in project rest.li by linkedin.

the class TestHttp2AlpnHandler method testChannelCloseBeforeNegotiation.

@Test(timeOut = 10000)
@SuppressWarnings("unchecked")
public void testChannelCloseBeforeNegotiation() throws Exception {
    SslContext sslContext = Mockito.mock(SslContext.class);
    Http2StreamCodec http2StreamCodec = Mockito.mock(Http2StreamCodec.class);
    Http2AlpnHandler handler = new Http2AlpnHandler(sslContext, http2StreamCodec, true, Integer.MAX_VALUE);
    EmbeddedChannel channel = new EmbeddedChannel(handler);
    RequestWithCallback request = Mockito.mock(RequestWithCallback.class);
    TimeoutAsyncPoolHandle handle = Mockito.mock(TimeoutAsyncPoolHandle.class);
    TimeoutTransportCallback callback = Mockito.mock(TimeoutTransportCallback.class);
    Mockito.when(request.handle()).thenReturn(handle);
    Mockito.when(request.callback()).thenReturn(callback);
    // Write should not succeed before negotiation completes
    Assert.assertFalse(channel.writeOutbound(request));
    Assert.assertFalse(channel.finish());
    // Synchronously waiting for channel to close
    channel.close().sync();
    Mockito.verify(request).handle();
    Mockito.verify(request).callback();
    Mockito.verify(handle).dispose();
    Mockito.verify(callback).onResponse(Mockito.any(TransportResponse.class));
}

Example 3 with TimeoutTransportCallback

use of com.linkedin.r2.transport.http.client.TimeoutTransportCallback in project rest.li by linkedin.

the class Http2NettyStreamClient method doWriteRequestWithWireAttrHeaders.

@Override
protected void doWriteRequestWithWireAttrHeaders(Request request, final RequestContext requestContext, SocketAddress address, Map<String, String> wireAttrs, TimeoutTransportCallback<StreamResponse> callback, long requestTimeout) {
    final AsyncPool<Channel> pool;
    try {
        pool = getChannelPoolManagerPerRequest(request).getPoolForAddress(address);
    } catch (IllegalStateException e) {
        errorResponse(callback, e);
        return;
    }
    requestContext.putLocalAttr(R2Constants.HTTP_PROTOCOL_VERSION, HttpProtocolVersion.HTTP_2);
    Callback<Channel> getCallback = new ChannelPoolGetCallback(pool, request, requestContext, callback, requestTimeout);
    final Cancellable pendingGet = pool.get(getCallback);
    if (pendingGet != null) {
        callback.addTimeoutTask(pendingGet::cancel);
    }
}

Example 4 with TimeoutTransportCallback

use of com.linkedin.r2.transport.http.client.TimeoutTransportCallback in project rest.li by linkedin.

the class HttpNettyClient method doWriteRequest.

@Override
protected void doWriteRequest(RestRequest request, RequestContext requestContext, SocketAddress address, Map<String, String> wireAttrs, final TimeoutTransportCallback<RestResponse> callback, long requestTimeout) {
    final RestRequest newRequest = new RestRequestBuilder(request).overwriteHeaders(WireAttributeHelper.toWireAttributes(wireAttrs)).build();
    requestContext.putLocalAttr(R2Constants.HTTP_PROTOCOL_VERSION, HttpProtocolVersion.HTTP_1_1);
    final AsyncPool<Channel> pool;
    try {
        pool = getChannelPoolManagerPerRequest(request).getPoolForAddress(address);
    } catch (IllegalStateException e) {
        errorResponse(callback, e);
        return;
    }
    final Cancellable pendingGet = pool.get(new Callback<Channel>() {

        @Override
        public void onSuccess(final Channel channel) {
            // This handler ensures the channel is returned to the pool at the end of the
            // Netty pipeline.
            channel.attr(ChannelPoolHandler.CHANNEL_POOL_ATTR_KEY).set(pool);
            callback.addTimeoutTask(() -> {
                AsyncPool<Channel> pool1 = channel.attr(ChannelPoolHandler.CHANNEL_POOL_ATTR_KEY).getAndSet(null);
                if (pool1 != null) {
                    pool1.dispose(channel);
                }
            });
            TransportCallback<RestResponse> sslTimingCallback = SslHandshakeTimingHandler.getSslTimingCallback(channel, requestContext, callback);
            // This handler invokes the callback with the response once it arrives.
            channel.attr(RAPResponseHandler.CALLBACK_ATTR_KEY).set(sslTimingCallback);
            // Set the session validator requested by the user
            SslSessionValidator sslSessionValidator = (SslSessionValidator) requestContext.getLocalAttr(R2Constants.REQUESTED_SSL_SESSION_VALIDATOR);
            channel.attr(NettyChannelAttributes.SSL_SESSION_VALIDATOR).set(sslSessionValidator);
            final NettyClientState state = _state.get();
            if (state == NettyClientState.REQUESTS_STOPPING || state == NettyClientState.SHUTDOWN) {
                // In this case, we acquired a channel from the pool as request processing is halting.
                // The shutdown task might not timeout this callback, since it may already have scanned
                // all the channels for pending requests before we set the callback as the channel
                // attachment.  The TimeoutTransportCallback ensures the user callback in never
                // invoked more than once, so it is safe to invoke it unconditionally.
                errorResponse(sslTimingCallback, new TimeoutException("Operation did not complete before shutdown"));
                // The channel is usually release in two places: timeout or in the netty pipeline.
                // Since we call the callback above, the timeout associated will be never invoked. On top of that
                // we never send the request to the pipeline (due to the return statement), and nobody is releasing the channel
                // until the channel is forcefully closed by the shutdownTimeout. Therefore we have to release it here
                AsyncPool<Channel> pool = channel.attr(ChannelPoolHandler.CHANNEL_POOL_ATTR_KEY).getAndSet(null);
                if (pool != null) {
                    pool.put(channel);
                }
                return;
            }
            // here we want the exception in outbound operations to be passed back through pipeline so that
            // the user callback would be invoked with the exception and the channel can be put back into the pool
            channel.writeAndFlush(newRequest).addListener(new ErrorChannelFutureListener());
        }

        @Override
        public void onError(Throwable e) {
            errorResponse(callback, e);
        }
    });
    if (pendingGet != null) {
        callback.addTimeoutTask(pendingGet::cancel);
    }
}

Example 5 with TimeoutTransportCallback

use of com.linkedin.r2.transport.http.client.TimeoutTransportCallback in project rest.li by linkedin.

the class HttpNettyStreamClient method doWriteRequestWithWireAttrHeaders.

@Override
protected void doWriteRequestWithWireAttrHeaders(Request request, RequestContext requestContext, SocketAddress address, Map<String, String> wireAttrs, TimeoutTransportCallback<StreamResponse> callback, long requestTimeout) {
    final AsyncPool<Channel> pool;
    try {
        pool = getChannelPoolManagerPerRequest(request).getPoolForAddress(address);
    } catch (IllegalStateException e) {
        errorResponse(callback, e);
        return;
    }
    requestContext.putLocalAttr(R2Constants.HTTP_PROTOCOL_VERSION, HttpProtocolVersion.HTTP_1_1);
    Callback<Channel> getCallback = new ChannelPoolGetCallback(pool, request, requestContext, callback, requestTimeout);
    final Cancellable pendingGet = pool.get(getCallback);
    if (pendingGet != null) {
        callback.addTimeoutTask(pendingGet::cancel);
    }
}