Examples with ChannelFutureListener org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener used on opensource projects

Example 91 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project grpc-java by grpc.

the class AltsProtocolNegotiatorTest method flushShouldFailAllPromises.

@Test
public void flushShouldFailAllPromises() throws Exception {
    doHandshake();
    channel.pipeline().addFirst(new ChannelDuplexHandler() {

        @Override
        public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception {
            throw new Exception("Fake exception");
        }
    });
    // Write the message 1 character at a time.
    String message = "hello";
    final AtomicInteger failures = new AtomicInteger();
    for (int ix = 0; ix < message.length(); ++ix) {
        ByteBuf in = Unpooled.copiedBuffer(message, ix, 1, UTF_8);
        // go/futurereturn-lsc
        @SuppressWarnings("unused") Future<?> possiblyIgnoredError = channel.write(in).addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (!future.isSuccess()) {
                    failures.incrementAndGet();
                }
            }
        });
    }
    channel.flush();
    // Verify that the promises fail.
    assertEquals(message.length(), failures.get());
}

Example 92 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project grpc-java by grpc.

the class WriteBufferingAndExceptionHandler method exceptionCaught.

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
    assert cause != null;
    Throwable previousFailure = failCause;
    Status status = Utils.statusFromThrowable(cause).augmentDescription("Channel Pipeline: " + ctx.pipeline().names());
    failWrites(status.asRuntimeException());
    // 4d. active, prev!=null[connect]: impossible, channel can't be active after a failed connect.
    if (ctx.channel().isActive() && previousFailure == null) {
        final class LogOnFailure implements ChannelFutureListener {

            @Override
            public void operationComplete(ChannelFuture future) {
                if (!future.isSuccess()) {
                    logger.log(Level.FINE, "Failed closing channel", future.cause());
                }
            }
        }
        ctx.close().addListener(new LogOnFailure());
    }
}

Example 93 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project Glowstone by GlowstoneMC.

the class HttpClient method connect.

/**
 * Opens a URL.
 *
 * @param url       the URL to download
 * @param eventLoop an {@link EventLoop} that will receive the response body
 * @param callback  a callback to handle the response or any error
 */
public void connect(String url, EventLoop eventLoop, HttpCallback callback) {
    URI uri = URI.create(url);
    String scheme = uri.getScheme() == null ? "http" : uri.getScheme();
    String host = uri.getHost() == null ? "127.0.0.1" : uri.getHost();
    int port = uri.getPort();
    SslContext sslCtx = null;
    if ("https".equalsIgnoreCase(scheme)) {
        if (port == -1) {
            port = 443;
        }
        try {
            sslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
        } catch (SSLException e) {
            callback.error(e);
            return;
        }
    } else if ("http".equalsIgnoreCase(scheme)) {
        if (port == -1) {
            port = 80;
        }
    } else {
        throw new IllegalArgumentException("Only http(s) is supported!");
    }
    new Bootstrap().group(eventLoop).resolver(resolverGroup).channel(Networking.bestSocketChannel()).handler(new HttpChannelInitializer(sslCtx, callback)).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 5000).connect(InetSocketAddress.createUnresolved(host, port)).addListener((ChannelFutureListener) future -> {
        if (future.isSuccess()) {
            String path = uri.getRawPath() + (uri.getRawQuery() == null ? "" : "?" + uri.getRawQuery());
            HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, path);
            request.headers().set(HttpHeaderNames.HOST, host);
            future.channel().writeAndFlush(request);
        } else {
            callback.error(future.cause());
        }
    });
}

Example 94 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project mongo-java-driver by mongodb.

the class NettyStream method writeAsync.

@Override
public void writeAsync(final List<ByteBuf> buffers, final AsyncCompletionHandler<Void> handler) {
    CompositeByteBuf composite = PooledByteBufAllocator.DEFAULT.compositeBuffer();
    for (ByteBuf cur : buffers) {
        composite.addComponent(true, ((NettyByteBuf) cur).asByteBuf());
    }
    channel.writeAndFlush(composite).addListener(new ChannelFutureListener() {

        @Override
        public void operationComplete(final ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                handler.failed(future.cause());
            } else {
                handler.completed(null);
            }
        }
    });
}

Example 95 with ChannelFutureListener

use of org.apache.flink.shaded.netty4.io.netty.channel.ChannelFutureListener in project vert.x by eclipse.

the class Http2ConnectionBase method close.

@Override
public Future<Void> close() {
    PromiseInternal<Void> promise = context.promise();
    ChannelPromise pr = chctx.newPromise();
    ChannelPromise channelPromise = pr.addListener(promise);
    handlerContext.writeAndFlush(Unpooled.EMPTY_BUFFER, pr);
    channelPromise.addListener((ChannelFutureListener) future -> shutdown(0L));
    return promise.future();
}