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Example 6 with Channel

use of io.netty.channel.Channel in project elasticsearch by elastic.

the class SimpleNetty4TransportTests method nettyFromThreadPool.

public static MockTransportService nettyFromThreadPool(Settings settings, ThreadPool threadPool, final Version version, ClusterSettings clusterSettings, boolean doHandshake) {
    NamedWriteableRegistry namedWriteableRegistry = new NamedWriteableRegistry(Collections.emptyList());
    Transport transport = new Netty4Transport(settings, threadPool, new NetworkService(settings, Collections.emptyList()), BigArrays.NON_RECYCLING_INSTANCE, namedWriteableRegistry, new NoneCircuitBreakerService()) {

        @Override
        protected Version executeHandshake(DiscoveryNode node, Channel channel, TimeValue timeout) throws IOException, InterruptedException {
            if (doHandshake) {
                return super.executeHandshake(node, channel, timeout);
            } else {
                return version.minimumCompatibilityVersion();
            }
        }

        @Override
        protected Version getCurrentVersion() {
            return version;
        }
    };
    MockTransportService mockTransportService = MockTransportService.createNewService(Settings.EMPTY, transport, version, threadPool, clusterSettings);
    mockTransportService.start();
    return mockTransportService;
}
Also used : NamedWriteableRegistry(org.elasticsearch.common.io.stream.NamedWriteableRegistry) DiscoveryNode(org.elasticsearch.cluster.node.DiscoveryNode) MockTransportService(org.elasticsearch.test.transport.MockTransportService) Channel(io.netty.channel.Channel) NetworkService(org.elasticsearch.common.network.NetworkService) Transport(org.elasticsearch.transport.Transport) TimeValue(org.elasticsearch.common.unit.TimeValue) NoneCircuitBreakerService(org.elasticsearch.indices.breaker.NoneCircuitBreakerService)

Example 7 with Channel

use of io.netty.channel.Channel in project vert.x by eclipse.

the class HttpServerImpl method listen.

public synchronized HttpServer listen(int port, String host, Handler<AsyncResult<HttpServer>> listenHandler) {
    if (requestStream.handler() == null && wsStream.handler() == null) {
        throw new IllegalStateException("Set request or websocket handler first");
    }
    if (listening) {
        throw new IllegalStateException("Already listening");
    }
    listenContext = vertx.getOrCreateContext();
    listening = true;
    serverOrigin = (options.isSsl() ? "https" : "http") + "://" + host + ":" + port;
    List<HttpVersion> applicationProtocols = options.getAlpnVersions();
    if (listenContext.isWorkerContext()) {
        applicationProtocols = applicationProtocols.stream().filter(v -> v != HttpVersion.HTTP_2).collect(Collectors.toList());
    }
    sslHelper.setApplicationProtocols(applicationProtocols);
    synchronized (vertx.sharedHttpServers()) {
        // Will be updated on bind for a wildcard port
        this.actualPort = port;
        id = new ServerID(port, host);
        HttpServerImpl shared = vertx.sharedHttpServers().get(id);
        if (shared == null || port == 0) {
            serverChannelGroup = new DefaultChannelGroup("vertx-acceptor-channels", GlobalEventExecutor.INSTANCE);
            ServerBootstrap bootstrap = new ServerBootstrap();
            bootstrap.group(vertx.getAcceptorEventLoopGroup(), availableWorkers);
            bootstrap.channel(NioServerSocketChannel.class);
            applyConnectionOptions(bootstrap);
            sslHelper.validate(vertx);
            bootstrap.childHandler(new ChannelInitializer<Channel>() {

                @Override
                protected void initChannel(Channel ch) throws Exception {
                    if (requestStream.isPaused() || wsStream.isPaused()) {
                        ch.close();
                        return;
                    }
                    ChannelPipeline pipeline = ch.pipeline();
                    if (sslHelper.isSSL()) {
                        pipeline.addLast("ssl", sslHelper.createSslHandler(vertx));
                        if (options.isUseAlpn()) {
                            pipeline.addLast("alpn", new ApplicationProtocolNegotiationHandler("http/1.1") {

                                @Override
                                protected void configurePipeline(ChannelHandlerContext ctx, String protocol) throws Exception {
                                    if (protocol.equals("http/1.1")) {
                                        configureHttp1(pipeline);
                                    } else {
                                        handleHttp2(ch);
                                    }
                                }
                            });
                        } else {
                            configureHttp1(pipeline);
                        }
                    } else {
                        if (DISABLE_HC2) {
                            configureHttp1(pipeline);
                        } else {
                            pipeline.addLast(new Http1xOrHttp2Handler());
                        }
                    }
                }
            });
            addHandlers(this, listenContext);
            try {
                bindFuture = AsyncResolveConnectHelper.doBind(vertx, port, host, bootstrap);
                bindFuture.addListener(res -> {
                    if (res.failed()) {
                        vertx.sharedHttpServers().remove(id);
                    } else {
                        Channel serverChannel = res.result();
                        HttpServerImpl.this.actualPort = ((InetSocketAddress) serverChannel.localAddress()).getPort();
                        serverChannelGroup.add(serverChannel);
                        metrics = vertx.metricsSPI().createMetrics(this, new SocketAddressImpl(port, host), options);
                    }
                });
            } catch (final Throwable t) {
                // Make sure we send the exception back through the handler (if any)
                if (listenHandler != null) {
                    vertx.runOnContext(v -> listenHandler.handle(Future.failedFuture(t)));
                } else {
                    // No handler - log so user can see failure
                    log.error(t);
                }
                listening = false;
                return this;
            }
            vertx.sharedHttpServers().put(id, this);
            actualServer = this;
        } else {
            // Server already exists with that host/port - we will use that
            actualServer = shared;
            this.actualPort = shared.actualPort;
            addHandlers(actualServer, listenContext);
            metrics = vertx.metricsSPI().createMetrics(this, new SocketAddressImpl(port, host), options);
        }
        actualServer.bindFuture.addListener(future -> {
            if (listenHandler != null) {
                final AsyncResult<HttpServer> res;
                if (future.succeeded()) {
                    res = Future.succeededFuture(HttpServerImpl.this);
                } else {
                    res = Future.failedFuture(future.cause());
                    listening = false;
                }
                listenContext.runOnContext((v) -> listenHandler.handle(res));
            } else if (future.failed()) {
                listening = false;
                log.error(future.cause());
            }
        });
    }
    return this;
}
Also used : DefaultChannelGroup(io.netty.channel.group.DefaultChannelGroup) VertxException(io.vertx.core.VertxException) HandlerManager(io.vertx.core.net.impl.HandlerManager) ServerWebSocket(io.vertx.core.http.ServerWebSocket) HttpHeaders(io.netty.handler.codec.http.HttpHeaders) WebSocketServerHandshakerFactory(io.netty.handler.codec.http.websocketx.WebSocketServerHandshakerFactory) DefaultFullHttpRequest(io.netty.handler.codec.http.DefaultFullHttpRequest) DefaultChannelGroup(io.netty.channel.group.DefaultChannelGroup) ChannelInboundHandlerAdapter(io.netty.channel.ChannelInboundHandlerAdapter) HttpServer(io.vertx.core.http.HttpServer) URISyntaxException(java.net.URISyntaxException) ChunkedWriteHandler(io.netty.handler.stream.ChunkedWriteHandler) Unpooled(io.netty.buffer.Unpooled) GlobalEventExecutor(io.netty.util.concurrent.GlobalEventExecutor) HttpServerMetrics(io.vertx.core.spi.metrics.HttpServerMetrics) HttpVersion(io.vertx.core.http.HttpVersion) 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ChannelHandlerContext(io.netty.channel.ChannelHandlerContext) ServerBootstrap(io.netty.bootstrap.ServerBootstrap) VertxException(io.vertx.core.VertxException) URISyntaxException(java.net.URISyntaxException) Http2Exception(io.netty.handler.codec.http2.Http2Exception) WebSocketHandshakeException(io.netty.handler.codec.http.websocketx.WebSocketHandshakeException) ChannelPipeline(io.netty.channel.ChannelPipeline) ApplicationProtocolNegotiationHandler(io.netty.handler.ssl.ApplicationProtocolNegotiationHandler) ServerID(io.vertx.core.net.impl.ServerID) HttpServer(io.vertx.core.http.HttpServer) SocketAddressImpl(io.vertx.core.net.impl.SocketAddressImpl) HttpVersion(io.vertx.core.http.HttpVersion) HttpVersion(io.netty.handler.codec.http.HttpVersion)

Example 8 with Channel

use of io.netty.channel.Channel in project hbase by apache.

the class FanOutOneBlockAsyncDFSOutputHelper method connectToDataNodes.

private static List<Future<Channel>> connectToDataNodes(Configuration conf, DFSClient client, String clientName, LocatedBlock locatedBlock, long maxBytesRcvd, long latestGS, BlockConstructionStage stage, DataChecksum summer, EventLoop eventLoop) {
    Enum<?>[] storageTypes = locatedBlock.getStorageTypes();
    DatanodeInfo[] datanodeInfos = locatedBlock.getLocations();
    boolean connectToDnViaHostname = conf.getBoolean(DFS_CLIENT_USE_DN_HOSTNAME, DFS_CLIENT_USE_DN_HOSTNAME_DEFAULT);
    int timeoutMs = conf.getInt(DFS_CLIENT_SOCKET_TIMEOUT_KEY, READ_TIMEOUT);
    ExtendedBlock blockCopy = new ExtendedBlock(locatedBlock.getBlock());
    blockCopy.setNumBytes(locatedBlock.getBlockSize());
    ClientOperationHeaderProto header = ClientOperationHeaderProto.newBuilder().setBaseHeader(BaseHeaderProto.newBuilder().setBlock(PB_HELPER.convert(blockCopy)).setToken(PB_HELPER.convert(locatedBlock.getBlockToken()))).setClientName(clientName).build();
    ChecksumProto checksumProto = DataTransferProtoUtil.toProto(summer);
    OpWriteBlockProto.Builder writeBlockProtoBuilder = OpWriteBlockProto.newBuilder().setHeader(header).setStage(OpWriteBlockProto.BlockConstructionStage.valueOf(stage.name())).setPipelineSize(1).setMinBytesRcvd(locatedBlock.getBlock().getNumBytes()).setMaxBytesRcvd(maxBytesRcvd).setLatestGenerationStamp(latestGS).setRequestedChecksum(checksumProto).setCachingStrategy(CachingStrategyProto.newBuilder().setDropBehind(true).build());
    List<Future<Channel>> futureList = new ArrayList<>(datanodeInfos.length);
    for (int i = 0; i < datanodeInfos.length; i++) {
        DatanodeInfo dnInfo = datanodeInfos[i];
        Enum<?> storageType = storageTypes[i];
        Promise<Channel> promise = eventLoop.newPromise();
        futureList.add(promise);
        String dnAddr = dnInfo.getXferAddr(connectToDnViaHostname);
        new Bootstrap().group(eventLoop).channel(NioSocketChannel.class).option(CONNECT_TIMEOUT_MILLIS, timeoutMs).handler(new ChannelInitializer<Channel>() {

            @Override
            protected void initChannel(Channel ch) throws Exception {
            // we need to get the remote address of the channel so we can only move on after
            // channel connected. Leave an empty implementation here because netty does not allow
            // a null handler.
            }
        }).connect(NetUtils.createSocketAddr(dnAddr)).addListener(new ChannelFutureListener() {

            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (future.isSuccess()) {
                    initialize(conf, future.channel(), dnInfo, storageType, writeBlockProtoBuilder, timeoutMs, client, locatedBlock.getBlockToken(), promise);
                } else {
                    promise.tryFailure(future.cause());
                }
            }
        });
    }
    return futureList;
}
Also used : ChannelFuture(io.netty.channel.ChannelFuture) DatanodeInfo(org.apache.hadoop.hdfs.protocol.DatanodeInfo) NioSocketChannel(io.netty.channel.socket.nio.NioSocketChannel) Channel(io.netty.channel.Channel) ExtendedBlock(org.apache.hadoop.hdfs.protocol.ExtendedBlock) ArrayList(java.util.ArrayList) ChecksumProto(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ChecksumProto) OpWriteBlockProto(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.OpWriteBlockProto) ChannelFutureListener(io.netty.channel.ChannelFutureListener) UnresolvedLinkException(org.apache.hadoop.fs.UnresolvedLinkException) LeaseExpiredException(org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException) InvalidBlockTokenException(org.apache.hadoop.hdfs.security.token.block.InvalidBlockTokenException) InvocationTargetException(java.lang.reflect.InvocationTargetException) IOException(java.io.IOException) RemoteException(org.apache.hadoop.ipc.RemoteException) ChannelFuture(io.netty.channel.ChannelFuture) Future(io.netty.util.concurrent.Future) Bootstrap(io.netty.bootstrap.Bootstrap) ClientOperationHeaderProto(org.apache.hadoop.hdfs.protocol.proto.DataTransferProtos.ClientOperationHeaderProto)

Example 9 with Channel

use of io.netty.channel.Channel in project hbase by apache.

the class FanOutOneBlockAsyncDFSOutput method flushBuffer.

private Promise<Void> flushBuffer(ByteBuf dataBuf, long nextPacketOffsetInBlock, boolean syncBlock) {
    int dataLen = dataBuf.readableBytes();
    int chunkLen = summer.getBytesPerChecksum();
    int trailingPartialChunkLen = dataLen % chunkLen;
    int numChecks = dataLen / chunkLen + (trailingPartialChunkLen != 0 ? 1 : 0);
    int checksumLen = numChecks * summer.getChecksumSize();
    ByteBuf checksumBuf = alloc.directBuffer(checksumLen);
    summer.calculateChunkedSums(dataBuf.nioBuffer(), checksumBuf.nioBuffer(0, checksumLen));
    checksumBuf.writerIndex(checksumLen);
    PacketHeader header = new PacketHeader(4 + checksumLen + dataLen, nextPacketOffsetInBlock, nextPacketSeqno, false, dataLen, syncBlock);
    int headerLen = header.getSerializedSize();
    ByteBuf headerBuf = alloc.buffer(headerLen);
    header.putInBuffer(headerBuf.nioBuffer(0, headerLen));
    headerBuf.writerIndex(headerLen);
    long ackedLength = nextPacketOffsetInBlock + dataLen;
    Promise<Void> promise = eventLoop.<Void>newPromise().addListener(future -> {
        if (future.isSuccess()) {
            locatedBlock.getBlock().setNumBytes(ackedLength);
        }
    });
    waitingAckQueue.addLast(new Callback(promise, ackedLength, datanodeList));
    for (Channel ch : datanodeList) {
        ch.write(headerBuf.duplicate().retain());
        ch.write(checksumBuf.duplicate().retain());
        ch.writeAndFlush(dataBuf.duplicate().retain());
    }
    checksumBuf.release();
    headerBuf.release();
    dataBuf.release();
    nextPacketSeqno++;
    return promise;
}
Also used : Channel(io.netty.channel.Channel) PacketHeader(org.apache.hadoop.hdfs.protocol.datatransfer.PacketHeader) ByteBuf(io.netty.buffer.ByteBuf)

Example 10 with Channel

use of io.netty.channel.Channel in project jersey by jersey.

the class NettyConnector method apply.

@Override
public Future<?> apply(final ClientRequest jerseyRequest, final AsyncConnectorCallback jerseyCallback) {
    final CompletableFuture<Object> settableFuture = new CompletableFuture<>();
    final URI requestUri = jerseyRequest.getUri();
    String host = requestUri.getHost();
    int port = requestUri.getPort() != -1 ? requestUri.getPort() : "https".equals(requestUri.getScheme()) ? 443 : 80;
    try {
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {

            @Override
            protected void initChannel(SocketChannel ch) throws Exception {
                ChannelPipeline p = ch.pipeline();
                // Enable HTTPS if necessary.
                if ("https".equals(requestUri.getScheme())) {
                    // making client authentication optional for now; it could be extracted to configurable property
                    JdkSslContext jdkSslContext = new JdkSslContext(client.getSslContext(), true, ClientAuth.NONE);
                    p.addLast(jdkSslContext.newHandler(ch.alloc()));
                }
                // http proxy
                Configuration config = jerseyRequest.getConfiguration();
                final Object proxyUri = config.getProperties().get(ClientProperties.PROXY_URI);
                if (proxyUri != null) {
                    final URI u = getProxyUri(proxyUri);
                    final String userName = ClientProperties.getValue(config.getProperties(), ClientProperties.PROXY_USERNAME, String.class);
                    final String password = ClientProperties.getValue(config.getProperties(), ClientProperties.PROXY_PASSWORD, String.class);
                    p.addLast(new HttpProxyHandler(new InetSocketAddress(u.getHost(), u.getPort() == -1 ? 8080 : u.getPort()), userName, password));
                }
                p.addLast(new HttpClientCodec());
                p.addLast(new ChunkedWriteHandler());
                p.addLast(new HttpContentDecompressor());
                p.addLast(new JerseyClientHandler(NettyConnector.this, jerseyRequest, jerseyCallback, settableFuture));
            }
        });
        // connect timeout
        Integer connectTimeout = ClientProperties.getValue(jerseyRequest.getConfiguration().getProperties(), ClientProperties.CONNECT_TIMEOUT, 0);
        if (connectTimeout > 0) {
            b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeout);
        }
        // Make the connection attempt.
        final Channel ch = b.connect(host, port).sync().channel();
        // guard against prematurely closed channel
        final GenericFutureListener<io.netty.util.concurrent.Future<? super Void>> closeListener = new GenericFutureListener<io.netty.util.concurrent.Future<? super Void>>() {

            @Override
            public void operationComplete(io.netty.util.concurrent.Future<? super Void> future) throws Exception {
                if (!settableFuture.isDone()) {
                    settableFuture.completeExceptionally(new IOException("Channel closed."));
                }
            }
        };
        ch.closeFuture().addListener(closeListener);
        HttpRequest nettyRequest;
        if (jerseyRequest.hasEntity()) {
            nettyRequest = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.valueOf(jerseyRequest.getMethod()), requestUri.getRawPath());
        } else {
            nettyRequest = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.valueOf(jerseyRequest.getMethod()), requestUri.getRawPath());
        }
        // headers
        for (final Map.Entry<String, List<String>> e : jerseyRequest.getStringHeaders().entrySet()) {
            nettyRequest.headers().add(e.getKey(), e.getValue());
        }
        // host header - http 1.1
        nettyRequest.headers().add(HttpHeaderNames.HOST, jerseyRequest.getUri().getHost());
        if (jerseyRequest.hasEntity()) {
            if (jerseyRequest.getLengthLong() == -1) {
                HttpUtil.setTransferEncodingChunked(nettyRequest, true);
            } else {
                nettyRequest.headers().add(HttpHeaderNames.CONTENT_LENGTH, jerseyRequest.getLengthLong());
            }
        }
        if (jerseyRequest.hasEntity()) {
            // Send the HTTP request.
            ch.writeAndFlush(nettyRequest);
            final JerseyChunkedInput jerseyChunkedInput = new JerseyChunkedInput(ch);
            jerseyRequest.setStreamProvider(new OutboundMessageContext.StreamProvider() {

                @Override
                public OutputStream getOutputStream(int contentLength) throws IOException {
                    return jerseyChunkedInput;
                }
            });
            if (HttpUtil.isTransferEncodingChunked(nettyRequest)) {
                ch.write(new HttpChunkedInput(jerseyChunkedInput));
            } else {
                ch.write(jerseyChunkedInput);
            }
            executorService.execute(new Runnable() {

                @Override
                public void run() {
                    // close listener is not needed any more.
                    ch.closeFuture().removeListener(closeListener);
                    try {
                        jerseyRequest.writeEntity();
                    } catch (IOException e) {
                        jerseyCallback.failure(e);
                        settableFuture.completeExceptionally(e);
                    }
                }
            });
            ch.flush();
        } else {
            // close listener is not needed any more.
            ch.closeFuture().removeListener(closeListener);
            // Send the HTTP request.
            ch.writeAndFlush(nettyRequest);
        }
    } catch (InterruptedException e) {
        settableFuture.completeExceptionally(e);
        return settableFuture;
    }
    return settableFuture;
}
Also used : NioSocketChannel(io.netty.channel.socket.nio.NioSocketChannel) SocketChannel(io.netty.channel.socket.SocketChannel) Configuration(javax.ws.rs.core.Configuration) InetSocketAddress(java.net.InetSocketAddress) OutputStream(java.io.OutputStream) HttpClientCodec(io.netty.handler.codec.http.HttpClientCodec) URI(java.net.URI) OutboundMessageContext(org.glassfish.jersey.message.internal.OutboundMessageContext) CompletableFuture(java.util.concurrent.CompletableFuture) HttpChunkedInput(io.netty.handler.codec.http.HttpChunkedInput) DefaultHttpRequest(io.netty.handler.codec.http.DefaultHttpRequest) Bootstrap(io.netty.bootstrap.Bootstrap) List(java.util.List) GenericFutureListener(io.netty.util.concurrent.GenericFutureListener) JerseyChunkedInput(org.glassfish.jersey.netty.connector.internal.JerseyChunkedInput) DefaultFullHttpRequest(io.netty.handler.codec.http.DefaultFullHttpRequest) DefaultHttpRequest(io.netty.handler.codec.http.DefaultHttpRequest) HttpRequest(io.netty.handler.codec.http.HttpRequest) JdkSslContext(io.netty.handler.ssl.JdkSslContext) DefaultFullHttpRequest(io.netty.handler.codec.http.DefaultFullHttpRequest) NioSocketChannel(io.netty.channel.socket.nio.NioSocketChannel) SocketChannel(io.netty.channel.socket.SocketChannel) Channel(io.netty.channel.Channel) IOException(java.io.IOException) IOException(java.io.IOException) ExecutionException(java.util.concurrent.ExecutionException) ProcessingException(javax.ws.rs.ProcessingException) ChannelPipeline(io.netty.channel.ChannelPipeline) HttpContentDecompressor(io.netty.handler.codec.http.HttpContentDecompressor) NioSocketChannel(io.netty.channel.socket.nio.NioSocketChannel) ChunkedWriteHandler(io.netty.handler.stream.ChunkedWriteHandler) CompletableFuture(java.util.concurrent.CompletableFuture) Future(java.util.concurrent.Future) HttpProxyHandler(io.netty.handler.proxy.HttpProxyHandler) Map(java.util.Map)

Aggregations

Channel (io.netty.channel.Channel)886 ChannelHandlerContext (io.netty.channel.ChannelHandlerContext)226 ChannelFuture (io.netty.channel.ChannelFuture)204 Test (org.junit.Test)203 Bootstrap (io.netty.bootstrap.Bootstrap)199 NioSocketChannel (io.netty.channel.socket.nio.NioSocketChannel)191 ServerBootstrap (io.netty.bootstrap.ServerBootstrap)177 InetSocketAddress (java.net.InetSocketAddress)165 NioEventLoopGroup (io.netty.channel.nio.NioEventLoopGroup)151 EventLoopGroup (io.netty.channel.EventLoopGroup)142 ChannelInboundHandlerAdapter (io.netty.channel.ChannelInboundHandlerAdapter)138 NioServerSocketChannel (io.netty.channel.socket.nio.NioServerSocketChannel)132 IOException (java.io.IOException)126 ByteBuf (io.netty.buffer.ByteBuf)112 SocketChannel (io.netty.channel.socket.SocketChannel)106 EmbeddedChannel (io.netty.channel.embedded.EmbeddedChannel)99 ChannelPipeline (io.netty.channel.ChannelPipeline)98 CountDownLatch (java.util.concurrent.CountDownLatch)96 LocalChannel (io.netty.channel.local.LocalChannel)93 LocalServerChannel (io.netty.channel.local.LocalServerChannel)89