Java EventExecutorGroup類代碼示例

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
public ImapClient(ImapClientConfiguration configuration,
                  Channel channel,
                  SslContext sslContext,
                  EventExecutorGroup promiseExecutor,
                  String clientName) {
  this.logger = LogUtils.loggerWithName(ImapClient.class, clientName);
  this.configuration = configuration;
  this.channel = channel;
  this.sslContext = sslContext;
  this.promiseExecutor = promiseExecutor;
  this.clientState = new ImapClientState(clientName, promiseExecutor);
  this.codec = new ImapCodec(clientState);
  this.pendingWriteQueue = new ConcurrentLinkedQueue<>();
  this.connectionShutdown = new AtomicBoolean(false);
  this.connectionClosed = new AtomicBoolean(false);
  this.capabilities = new AtomicReference<>(null);

  configureChannel();
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
public ReadWriteExchangeChannelGroup(MsgHandler<Protocol> msgHandler, Address address, int connectTimeout,
		int reconnectInterval, byte idleTimeout, byte maxIdleTimeOut, boolean lazy, short connections,
		short writeConnections, boolean reverseIndex, EventLoopGroup loopGroup, EventExecutorGroup executorGroup)
		throws SailfishException {
	super(UUID.randomUUID());
	this.msgHandler = msgHandler;
	this.tracer = new Tracer();

	NegotiateConfig readConfig = new NegotiateConfig(idleTimeout, maxIdleTimeOut, id(), ChannelType.read.code(),
			connections, writeConnections, (short) 0, reverseIndex);
	this.readGroup = new DefaultExchangeChannelGroup(tracer, msgHandler, address,
			(short) (connections - writeConnections), connectTimeout, reconnectInterval, idleTimeout,
			maxIdleTimeOut, lazy, reverseIndex, readConfig, this, loopGroup, executorGroup);

	NegotiateConfig writeConfig = new NegotiateConfig(idleTimeout, maxIdleTimeOut, id(), ChannelType.write.code(),
			connections, writeConnections, (short) 0, reverseIndex);
	this.writeGroup = new DefaultExchangeChannelGroup(tracer, msgHandler, address, writeConnections, connectTimeout,
			reconnectInterval, idleTimeout, maxIdleTimeOut, lazy, reverseIndex, writeConfig, this, loopGroup,
			executorGroup);
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
private ChannelInitializer<SocketChannel> newChannelInitializer(final NegotiateConfig config,
		final ExchangeChannelGroup channelGroup, final EventExecutorGroup executorGroup) {
	return new ChannelInitializer<SocketChannel>() {
		@Override
		protected void initChannel(SocketChannel ch) throws Exception {
			ChannelPipeline pipeline = ch.pipeline();
			ch.attr(ChannelAttrKeys.maxIdleTimeout).set(config.maxIdleTimeout());
			ch.attr(ChannelAttrKeys.channelGroup).set(channelGroup);
			ch.attr(ChannelAttrKeys.clientSide).set(true);
			ch.attr(OneTime.awaitNegotiate).set(new CountDownLatch(1));
			ch.attr(OneTime.channelConfig).set(config);
			// TODO should increase ioRatio when every ChannelHandler bind to executorGroup?
			pipeline.addLast(executorGroup, 
					RemotingEncoder.INSTANCE, 
					new RemotingDecoder(), 
					new IdleStateHandler(config.idleTimeout(), 0, 0), 
					HeartbeatChannelHandler.INSTANCE,
					NegotiateChannelHandler.INSTANCE,
					ConcreteRequestHandler.INSTANCE);
		}
	};
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
public void shutdown() throws InterruptedException {
    try {
        logger.info("Shutting down Riposte...");
        List<ChannelFuture> channelCloseFutures = new ArrayList<>();
        for (Channel ch : channels) {
            // execute shutdown hooks
            if (serverConfig.serverShutdownHooks() != null) {
                for (ServerShutdownHook hook : serverConfig.serverShutdownHooks()) {
                    hook.executeServerShutdownHook(serverConfig, ch);
                }
            }

            channelCloseFutures.add(ch.close());
        }
        for (ChannelFuture chf : channelCloseFutures) {
            chf.sync();
        }
    }
    finally {
        eventLoopGroups.forEach(EventExecutorGroup::shutdownGracefully);
        logger.info("...Riposte shutdown complete");
    }
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
public NomadServer(NomadLobby nLobby, EventLoopGroup bossGroup, EventLoopGroup workerGroup,
		EventExecutorGroup executorGroup) {
	sb = new ServerBootstrap();
	sb.group(bossGroup, workerGroup);
	sb.channel(NioServerSocketChannel.class);

	final int BUF_PER_CLIENT = Packet.MAX_PACKET_LENGTH * 4;
	final int MAX_CLIENTS = 2000;

	sb.option(ChannelOption.SO_BACKLOG, MAX_CLIENTS);
	sb.option(ChannelOption.SO_REUSEADDR, true);
	sb.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
	sb.childOption(ChannelOption.RCVBUF_ALLOCATOR, new FixedRecvByteBufAllocator(BUF_PER_CLIENT));
	sb.childOption(ChannelOption.SO_SNDBUF, 65535);
	sb.childOption(ChannelOption.SO_RCVBUF, 65535);

	sb.childHandler(new ServerHandler(nLobby, executorGroup));
	String ip = Nomad.BIND_ON_ALL ? "0.0.0.0" : nLobby.getLobby().getIp();
	sb.localAddress(ip, nLobby.getLobby().getPort());
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
@Test(expected = PrematureChannelClosureException.class)
public void testIdentifyCloseChannelOnFailure() throws Exception {
    Channel channel = mock(Channel.class, Answers.RETURNS_SMART_NULLS.get());
    mockWriteHandler = mock(ChannelHandler.class);

    DefaultChannelPromise completedFuture = new DefaultChannelPromise(channel);
    completedFuture.setSuccess();

    DefaultChannelPromise failedFuture = new DefaultChannelPromise(channel);
    failedFuture.setFailure(new PrematureChannelClosureException("test"));

    ChannelPipeline channelPipeline = mock(ChannelPipeline.class);
    when(channelPipeline.addLast(anyString(), any(ChannelHandler.class))).thenReturn(channelPipeline);
    when(channelPipeline.addLast(any(EventExecutorGroup.class), anyString(), any(ChannelHandler.class))).thenReturn(channelPipeline);
    when(channel.pipeline()).thenReturn(channelPipeline);
    when(channel.isActive()).thenReturn(true);
    when(channel.writeAndFlush(any())).thenReturn(failedFuture);
    when(channel.close()).thenReturn(completedFuture);

    when(bootstrap.connect(anyString(), anyInt())).thenReturn(completedFuture);

    ClientSessionConfiguration configuration = new ClientSessionConfiguration();

    jannelClient.identify(configuration, null);
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
public static void main(String[] args) throws Exception {
    init();
    EventExecutorGroup eventExecutorGroup = new NioEventLoopGroup(16);
    /**
     * POST     /login
     * GET      /foods
     * POST     /carts
     * PATCH    /carts/cart_id
     * POST     /orders
     * GET      /orders
     * GET      /admin/orders
     */
    HttpServerUrlHandler httpServerUrlHandler = new HttpServerUrlHandler(new DefaultHandler(HttpResponseStatus.BAD_GATEWAY))
            .register(HttpMethod.POST, "/login", new LoginHandler())
            .register(HttpMethod.GET, "/foods", new GetStockHandler())
            .register(HttpMethod.POST, "/carts", new AddCartHandler())
            .register(HttpMethod.PATCH, "/carts", new AddFoodHandler())
            .register(HttpMethod.POST, "/orders", new MakeOrderHandler())
            .register(HttpMethod.GET, "/orders", new GetOrderHandler())
            .register(HttpMethod.GET, "/admin/orders", new AdminGetOrderHandler());


    new HttpServer(128, ch -> ch.pipeline().addLast(httpServerUrlHandler)).start(Integer.parseInt(Config.APP_PORT));


}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
@Override
public ChannelPipeline addFirst(EventExecutorGroup executor, ChannelHandler... handlers) {
    if (handlers == null) {
        throw new NullPointerException("handlers");
    }
    if (handlers.length == 0 || handlers[0] == null) {
        return this;
    }

    int size;
    for (size = 1; size < handlers.length; size ++) {
        if (handlers[size] == null) {
            break;
        }
    }

    for (int i = size - 1; i >= 0; i --) {
        ChannelHandler h = handlers[i];
        addFirst(executor, generateName(h), h);
    }

    return this;
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
@Override
public ChannelPipeline addFirst(EventExecutorGroup executor, ChannelHandler... handlers) {
    if (handlers == null) {
        throw new NullPointerException("handlers");
    }
    if (handlers.length == 0 || handlers[0] == null) {
        return this;
    }

    int size;
    for (size = 1; size < handlers.length; size++) {
        if (handlers[size] == null) {
            break;
        }
    }

    for (int i = size - 1; i >= 0; i--) {
        ChannelHandler h = handlers[i];
        addFirst(executor, generateName(h), h);
    }

    return this;
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
@Test
public void testBuilder() throws Exception {

    DefaultClientResources sut = new DefaultClientResources.Builder().ioThreadPoolSize(4).computationThreadPoolSize(4)
            .commandLatencyCollectorOptions(DefaultCommandLatencyCollectorOptions.disabled()).build();

    EventExecutorGroup eventExecutors = sut.eventExecutorGroup();
    NioEventLoopGroup eventLoopGroup = sut.eventLoopGroupProvider().allocate(NioEventLoopGroup.class);

    assertThat(eventExecutors.iterator()).hasSize(4);
    assertThat(eventLoopGroup.executorCount()).isEqualTo(4);
    assertThat(sut.ioThreadPoolSize()).isEqualTo(4);
    assertThat(sut.commandLatencyCollector()).isNotNull();
    assertThat(sut.commandLatencyCollector().isEnabled()).isFalse();

    assertThat(sut.shutdown(0, 0, TimeUnit.MILLISECONDS).get()).isTrue();
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
@Test
public void reuseClientConnections() throws Exception {

    // given
    DefaultClientResources clientResources = DefaultClientResources.create();
    Map<Class<? extends EventExecutorGroup>, EventExecutorGroup> eventLoopGroups = getExecutors(clientResources);

    RedisClient redisClient1 = newClient(clientResources);
    RedisClient redisClient2 = newClient(clientResources);
    connectAndClose(redisClient1);
    connectAndClose(redisClient2);

    // when
    EventExecutorGroup executor = eventLoopGroups.values().iterator().next();
    redisClient1.shutdown(0, 0, TimeUnit.MILLISECONDS);

    // then
    connectAndClose(redisClient2);

    clientResources.shutdown(0, 0, TimeUnit.MILLISECONDS).get();

    assertThat(eventLoopGroups).isEmpty();
    assertThat(executor.isShuttingDown()).isTrue();
    assertThat(clientResources.eventExecutorGroup().isShuttingDown()).isTrue();
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
@Test
public void managedClientResources() throws Exception {

    // given
    RedisClient redisClient1 = RedisClient.create(RedisURI.create(TestSettings.host(), TestSettings.port()));
    ClientResources clientResources = redisClient1.getResources();
    Map<Class<? extends EventExecutorGroup>, EventExecutorGroup> eventLoopGroups = getExecutors(clientResources);
    connectAndClose(redisClient1);

    // when
    EventExecutorGroup executor = eventLoopGroups.values().iterator().next();

    redisClient1.shutdown(0, 0, TimeUnit.MILLISECONDS);

    // then
    assertThat(eventLoopGroups).isEmpty();
    assertThat(executor.isShuttingDown()).isTrue();
    assertThat(clientResources.eventExecutorGroup().isShuttingDown()).isTrue();
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
private ChannelHandlerInvoker findInvoker(EventExecutorGroup group) {
    if (group == null) {
        return null;
    }

    // Pin one of the child executors once and remember it so that the same child executor
    // is used to fire events for the same channel.
    ChannelHandlerInvoker invoker = childInvokers.get(group);
    if (invoker == null) {
        EventExecutor executor = group.next();
        if (executor instanceof EventLoop) {
            invoker = ((EventLoop) executor).asInvoker();
        } else {
            invoker = new DefaultChannelHandlerInvoker(executor);
        }
        childInvokers.put(group, invoker);
    }

    return invoker;
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
public NettyPipeline(final EventExecutorGroup executor, final HttpHandler handler,
    final Config conf, final SslContext sslCtx) {
  this.executor = executor;
  this.handler = handler;
  this.config = conf;

  maxInitialLineLength = conf.getBytes("netty.http.MaxInitialLineLength").intValue();
  maxHeaderSize = conf.getBytes("netty.http.MaxHeaderSize").intValue();
  maxChunkSize = conf.getBytes("netty.http.MaxChunkSize").intValue();
  maxContentLength = conf.getBytes("netty.http.MaxContentLength").intValue();
  idleTimeOut = conf.getDuration("netty.http.IdleTimeout", TimeUnit.MILLISECONDS);
  supportH2 = conf.getBoolean("server.http2.enabled");
  this.tmpdir = config.getString("application.tmpdir");
  this.bufferSize = config.getBytes("server.http.ResponseBufferSize").intValue();
  this.wsMaxMessageSize = Math
      .max(
          config.getBytes("server.ws.MaxTextMessageSize").intValue(),
          config.getBytes("server.ws.MaxBinaryMessageSize").intValue());
  this.sslCtx = sslCtx;
}
 

import io.netty.util.concurrent.EventExecutorGroup; //導入依賴的package包/類
@Test
public void https1_1() throws Exception {
  Config conf = conf(false, 123, 234, 345, 456, 567L);
  new MockUnit(EventExecutorGroup.class, HttpHandler.class, SocketChannel.class,
      ChannelPipeline.class, ChannelHandlerContext.class)
          .expect(sslContext)
          .expect(pipeline)
          .expect(ssl)
          .expect(http2OrHttp)
          .expect(ctxpipeline)
          .expect(http1Codec())
          .expect(idle(567))
          .expect(aggregator(456))
          .expect(jooby(conf))
          .run(unit -> {
            new NettyPipeline(unit.get(EventExecutorGroup.class), unit.get(HttpHandler.class),
                conf, unit.get(SslContext.class))
                    .initChannel(unit.get(SocketChannel.class));
          }, unit -> {
            Http2OrHttpHandler handler = unit.captured(Http2OrHttpHandler.class).iterator()
                .next();
            handler.configurePipeline(unit.get(ChannelHandlerContext.class), "http/1.1");
          });
}