Example usage for io.netty.util ReferenceCountUtil release

Introduction

In this page you can find the example usage for io.netty.util ReferenceCountUtil release.

Prototype

public static boolean release(Object msg) 

Source Link

Document

Try to call ReferenceCounted#release() if the specified message implements ReferenceCounted .

Usage

From source file:com.chen.opensourceframework.netty.echo.EchoServerHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    //        ctx.write(msg);
    ByteBuf in = (ByteBuf) msg;/* w  w  w.java2  s .  co  m*/
    try {
        while (in.isReadable()) { // (1)
            System.out.print(in.readChar());
            System.out.flush();
        }
    } finally {
        ReferenceCountUtil.release(msg); // (2)
    }
}

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From source file:com.chenyang.proxy.http.HttpPreHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (preCheck(ctx, msg)) {
        ctx.fireChannelRead(msg);//  www . j a va2 s. c om
    } else {
        ReferenceCountUtil.release(msg);
    }
}

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From source file:com.chenyang.proxy.http.HttpRelayHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {

    if (relayChannel.isActive()) {
        relayChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
            @Override//from  w w  w. j  a  v a 2s  .  c  o m
            public void operationComplete(ChannelFuture future) throws Exception {
                if (!ctx.channel().config().getOption(ChannelOption.AUTO_READ)) {
                    ctx.read();
                }
            }
        });
    } else {
        ReferenceCountUtil.release(msg);
    }

}

---

From source file:com.chenyang.proxy.http.HttpUserAgentForwardHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext uaChannelCtx, final Object msg) throws Exception {

    final Channel uaChannel = uaChannelCtx.channel();

    final HttpRemote apnProxyRemote = uaChannel.attr(HttpConnectionAttribute.ATTRIBUTE_KEY).get().getRemote();

    if (msg instanceof HttpRequest) {
        HttpRequest httpRequest = (HttpRequest) msg;

        Channel remoteChannel = remoteChannelMap.get(apnProxyRemote.getRemoteAddr());

        if (remoteChannel != null && remoteChannel.isActive()) {
            HttpRequest request = constructRequestForProxy(httpRequest, apnProxyRemote);
            remoteChannel.writeAndFlush(request);
        } else {/*from   w ww. j a va2  s .c o  m*/

            Bootstrap bootstrap = new Bootstrap();
            bootstrap.group(uaChannel.eventLoop()).channel(NioSocketChannel.class)
                    .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
                    .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                    .option(ChannelOption.AUTO_READ, false)
                    .handler(new HttpRemoteForwardChannelInitializer(uaChannel, this));

            ChannelFuture remoteConnectFuture = bootstrap.connect(apnProxyRemote.getInetSocketAddress(),
                    new InetSocketAddress(NetworkUtils.getCyclicLocalIp().getHostAddress(), 0));
            remoteChannel = remoteConnectFuture.channel();
            remoteChannelMap.put(apnProxyRemote.getRemoteAddr(), remoteChannel);

            remoteConnectFuture.addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (future.isSuccess()) {
                        future.channel().write(constructRequestForProxy((HttpRequest) msg, apnProxyRemote));

                        for (HttpContent hc : httpContentBuffer) {
                            future.channel().writeAndFlush(hc);

                            if (hc instanceof LastHttpContent) {
                                future.channel().writeAndFlush(Unpooled.EMPTY_BUFFER)
                                        .addListener(new ChannelFutureListener() {
                                            @Override
                                            public void operationComplete(ChannelFuture future)
                                                    throws Exception {
                                                if (future.isSuccess()) {
                                                    future.channel().read();
                                                }

                                            }
                                        });
                            }
                        }
                        httpContentBuffer.clear();
                    } else {
                        HttpErrorUtil.writeAndFlush(uaChannel, HttpResponseStatus.INTERNAL_SERVER_ERROR);
                        httpContentBuffer.clear();
                        future.channel().close();
                    }
                }
            });

        }
        ReferenceCountUtil.release(msg);
    } else {
        Channel remoteChannel = remoteChannelMap.get(apnProxyRemote.getRemoteAddr());
        HttpContent hc = ((HttpContent) msg);
        if (remoteChannel != null && remoteChannel.isActive()) {
            remoteChannel.writeAndFlush(hc);

            if (hc instanceof LastHttpContent) {
                remoteChannel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(new ChannelFutureListener() {
                    @Override
                    public void operationComplete(ChannelFuture future) throws Exception {
                        if (future.isSuccess()) {
                            future.channel().read();
                        }

                    }
                });
            }
        } else {
            httpContentBuffer.add(hc);
        }
    }

}

---

From source file:com.chenyang.proxy.http.HttpUserAgentTunnelHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext uaChannelCtx, Object msg) throws Exception {

    if (msg instanceof HttpRequest) {
        // Channel uaChannel = uaChannelCtx.channel();

        // connect remote
        Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(uaChannelCtx.channel().eventLoop()).channel(NioSocketChannel.class)
                .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000)
                .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT)
                .option(ChannelOption.AUTO_READ, false)
                .handler(new HttpTunnelChannelInitializer(uaChannelCtx.channel()));

        final HttpRemote apnProxyRemote = uaChannelCtx.channel().attr(HttpConnectionAttribute.ATTRIBUTE_KEY)
                .get().getRemote();/*from   w w w  .  jav a2  s  .c o  m*/

        bootstrap
                .connect(apnProxyRemote.getInetSocketAddress(),
                        new InetSocketAddress(NetworkUtils.getCyclicLocalIp().getHostAddress(), 0))
                .addListener(new ChannelFutureListener() {
                    @Override
                    public void operationComplete(final ChannelFuture future1) throws Exception {
                        if (future1.isSuccess()) {
                            HttpResponse proxyConnectSuccessResponse = new DefaultFullHttpResponse(
                                    HttpVersion.HTTP_1_1,
                                    new HttpResponseStatus(200, "Connection established"));
                            uaChannelCtx.writeAndFlush(proxyConnectSuccessResponse)
                                    .addListener(new ChannelFutureListener() {
                                        @Override
                                        public void operationComplete(ChannelFuture future2) throws Exception {
                                            // remove handlers
                                            uaChannelCtx.pipeline().remove("codec");
                                            uaChannelCtx.pipeline().remove(HttpPreHandler.HANDLER_NAME);
                                            uaChannelCtx.pipeline()
                                                    .remove(HttpUserAgentTunnelHandler.HANDLER_NAME);

                                            uaChannelCtx.pipeline()
                                                    .addLast(new HttpRelayHandler(
                                                            "UA --> " + apnProxyRemote.getRemoteAddr(),
                                                            future1.channel()));
                                        }

                                    });

                        } else {
                            if (uaChannelCtx.channel().isActive()) {
                                uaChannelCtx.channel().writeAndFlush(Unpooled.EMPTY_BUFFER)
                                        .addListener(ChannelFutureListener.CLOSE);
                            }
                        }
                    }
                });

    }
    ReferenceCountUtil.release(msg);
}

---

From source file:com.company.product.test.http.HttpServerHandler.java

License:Apache License

protected void messageReceived(ChannelHandlerContext ctx, Object msg) {
    FullHttpResponse response = null;//from w w  w.  j a  v  a  2  s .  c  om
    try {
        if (msg instanceof HttpRequest) {
            HttpRequest request = (HttpRequest) msg;

            QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.getUri());
            Map<String, List<String>> params = queryStringDecoder.parameters();
            validateQueryString(params);
            compileAndSendMessage(params);

            // no need to provide a response, we did what was expected of us.
            response = new DefaultFullHttpResponse(HTTP_1_1, NO_CONTENT);
        }
    } catch (IllegalArgumentException iae) {
        response = new DefaultFullHttpResponse(HTTP_1_1, INTERNAL_SERVER_ERROR);
        throw iae;
    } catch (InvalidTopicException ite) {
        response = new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST);
        throw ite;
    } finally {
        ctx.write(response);
        ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
        ReferenceCountUtil.release(msg);
    }
}

---

From source file:com.corundumstudio.socketio.transport.WebSocketTransport.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (msg instanceof CloseWebSocketFrame) {
        ctx.channel().close();/*www  .j  av  a  2 s .  c om*/
        ReferenceCountUtil.release(msg);
    } else if (msg instanceof BinaryWebSocketFrame || msg instanceof TextWebSocketFrame) {
        ByteBufHolder frame = (ByteBufHolder) msg;
        ClientHead client = clientsBox.get(ctx.channel());
        if (client == null) {
            log.debug("Client with was already disconnected. Channel closed!");
            ctx.channel().close();
            frame.release();
            return;
        }

        ctx.pipeline().fireChannelRead(new PacketsMessage(client, frame.content(), Transport.WEBSOCKET));
        frame.release();
    } else if (msg instanceof FullHttpRequest) {
        FullHttpRequest req = (FullHttpRequest) msg;
        QueryStringDecoder queryDecoder = new QueryStringDecoder(req.getUri());
        String path = queryDecoder.path();
        List<String> transport = queryDecoder.parameters().get("transport");
        List<String> sid = queryDecoder.parameters().get("sid");

        if (transport != null && NAME.equals(transport.get(0))) {
            try {
                if (!configuration.getTransports().contains(Transport.WEBSOCKET)) {
                    log.debug("{} transport not supported by configuration.", Transport.WEBSOCKET);
                    ctx.channel().close();
                    return;
                }
                if (sid != null && sid.get(0) != null) {
                    final UUID sessionId = UUID.fromString(sid.get(0));
                    handshake(ctx, sessionId, path, req);
                } else {
                    ClientHead client = ctx.channel().attr(ClientHead.CLIENT).get();
                    // first connection
                    handshake(ctx, client.getSessionId(), path, req);
                }
            } finally {
                req.release();
            }
        } else {
            ctx.fireChannelRead(msg);
        }
    } else {
        ctx.fireChannelRead(msg);
    }
}

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From source file:com.couchbase.client.core.cluster.NetworkMetricsTest.java

License:Apache License

@Test
public void shouldCapturePerformedOperations() throws Exception {
    Observable<CouchbaseEvent> eventBus = env().eventBus().get();
    TestSubscriber<CouchbaseEvent> eventSubscriber = new TestSubscriber<CouchbaseEvent>();
    eventBus.filter(new Func1<CouchbaseEvent, Boolean>() {
        @Override/*from   w  w w.  j  a va2s  .  com*/
        public Boolean call(CouchbaseEvent event) {
            return event instanceof NetworkLatencyMetricsEvent;
        }
    }).subscribe(eventSubscriber);

    assertTrue(eventSubscriber.getOnErrorEvents().isEmpty());
    assertTrue(eventSubscriber.getOnNextEvents().isEmpty());

    InsertResponse insertResponse = cluster()
            .<InsertResponse>send(
                    new InsertRequest("perfIns", Unpooled.copiedBuffer("ins", CharsetUtil.UTF_8), bucket()))
            .toBlocking().single();
    ReferenceCountUtil.release(insertResponse);

    UpsertResponse upsertResponse = cluster()
            .<UpsertResponse>send(
                    new UpsertRequest("perfUps", Unpooled.copiedBuffer("ups", CharsetUtil.UTF_8), bucket()))
            .toBlocking().single();
    ReferenceCountUtil.release(upsertResponse);

    for (int i = 0; i < 5; i++) {
        GetResponse getResponse = cluster().<GetResponse>send(new GetRequest("perfIns", bucket())).toBlocking()
                .single();
        ReferenceCountUtil.release(getResponse);

    }

    env().networkLatencyMetricsCollector().triggerEmit();

    Thread.sleep(100);

    List<CouchbaseEvent> events = eventSubscriber.getOnNextEvents();
    assertEquals(1, events.size());
    NetworkLatencyMetricsEvent event = (NetworkLatencyMetricsEvent) events.get(0);

    boolean hasInsert = false;
    boolean hasUpsert = false;
    boolean hasGet = false;
    for (Map.Entry<NetworkLatencyMetricsIdentifier, LatencyMetric> metric : event.latencies().entrySet()) {
        assertFalse(metric.getKey().host().contains(":"));

        if (metric.getKey().request().equals("InsertRequest")) {
            hasInsert = true;
            assertTrue(metric.getValue().count() >= 1);
        } else if (metric.getKey().request().equals("UpsertRequest")) {
            hasUpsert = true;
            assertTrue(metric.getValue().count() >= 1);
        } else if (metric.getKey().request().equals("GetRequest")) {
            hasGet = true;
            assertTrue(metric.getValue().count() >= 1);
        }
        assertTrue(metric.getValue().max() > 0);
        assertTrue(metric.getValue().min() > 0);
        assertTrue(metric.getValue().count() > 0);

        long lastPercentile = 0;
        for (Map.Entry<Double, Long> percentile : metric.getValue().percentiles().entrySet()) {
            assertTrue(percentile.getValue() >= lastPercentile);
            lastPercentile = percentile.getValue();
        }
    }

    assertTrue(hasInsert);
    assertTrue(hasUpsert);
    assertTrue(hasGet);
}

---

From source file:com.couchbase.client.core.cluster.ObserveTest.java

License:Apache License

/**
 * Test that a previously inserted document is correctly persisted to disk on the master node.
 *//*  w  w  w . ja v  a2 s . c  o m*/
@Test
public void shouldObservePersistToMaster() {
    InsertRequest request = new InsertRequest("persInsDoc1", Unpooled.copiedBuffer("test", CharsetUtil.UTF_8),
            bucket());
    InsertResponse response = cluster().<InsertResponse>send(request).toBlocking().single();
    assertTrue(response.status().isSuccess());
    ReferenceCountUtil.release(response);

    Boolean observeSuccess = Observe
            .call(cluster(), bucket(), "persInsDoc1", response.cas(), false, Observe.PersistTo.MASTER,
                    Observe.ReplicateTo.NONE, BestEffortRetryStrategy.INSTANCE)
            .timeout(5, TimeUnit.SECONDS).toBlocking().single();

    assertTrue(observeSuccess);
}

---

From source file:com.couchbase.client.core.cluster.ObserveTest.java

License:Apache License

@Test
public void shouldObservePersistToMasterOnRemoval() {
    InsertRequest request = new InsertRequest("persRemDoc1", Unpooled.copiedBuffer("test", CharsetUtil.UTF_8),
            bucket());// ww  w.j a v  a 2  s .c  om
    InsertResponse response = cluster().<InsertResponse>send(request).toBlocking().single();
    assertTrue(response.status().isSuccess());
    ReferenceCountUtil.release(response);

    RemoveRequest removeRequest = new RemoveRequest("persRemDoc1", bucket());
    RemoveResponse removeResponse = cluster().<RemoveResponse>send(removeRequest).toBlocking().single();
    assertTrue(removeResponse.status().isSuccess());
    ReferenceCountUtil.release(removeResponse);

    Boolean observeSuccess = Observe
            .call(cluster(), bucket(), "persRemDoc1", removeResponse.cas(), true, Observe.PersistTo.MASTER,
                    Observe.ReplicateTo.NONE, BestEffortRetryStrategy.INSTANCE)
            .timeout(5, TimeUnit.SECONDS).toBlocking().single();

    assertTrue(observeSuccess);
}

---

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