Example usage for io.netty.channel ChannelFutureListener CLOSE

Introduction

In this page you can find the example usage for io.netty.channel ChannelFutureListener CLOSE.

Prototype

ChannelFutureListener CLOSE

To view the source code for io.netty.channel ChannelFutureListener CLOSE.

Click Source Link

Document

A ChannelFutureListener that closes the Channel which is associated with the specified ChannelFuture .

Usage

From source file:io.aos.netty5.spdy.server.SpdyServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest req = (HttpRequest) msg;

        if (HttpHeaderUtil.is100ContinueExpected(req)) {
            ctx.write(new DefaultFullHttpResponse(HTTP_1_1, CONTINUE));
        }/*from w  ww. jav  a 2  s.c o  m*/
        boolean keepAlive = HttpHeaderUtil.isKeepAlive(req);

        ByteBuf content = Unpooled.copiedBuffer("Hello World " + new Date(), CharsetUtil.UTF_8);

        FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, content);
        response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());

        if (!keepAlive) {
            ctx.write(response).addListener(ChannelFutureListener.CLOSE);
        } else {
            response.headers().set(CONNECTION, Values.KEEP_ALIVE);
            ctx.write(response);
        }
    }
}

---

From source file:io.aos.netty5.telnet.TelnetServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, String request) {
    // Generate and write a response.
    String response;//from  w  w  w. jav a 2s.co m
    boolean close = false;
    if (request.isEmpty()) {
        response = "Please type something.\r\n";
    } else if ("bye".equals(request.toLowerCase())) {
        response = "Have a good day!\r\n";
        close = true;
    } else {
        response = "Did you say '" + request + "'?\r\n";
    }

    // We do not need to write a ChannelBuffer here.
    // We know the encoder inserted at TelnetPipelineFactory will do the conversion.
    ChannelFuture future = ctx.write(response);

    // Close the connection after sending 'Have a good day!'
    // if the client has sent 'bye'.
    if (close) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:io.blobkeeper.server.handler.BaseFileHandler.java

License:Apache License

protected void writeResponse(Channel channel, String result, HttpRequest request) {
    // Convert the response content to a ChannelBuffer.
    ByteBuf buf = copiedBuffer(result, CharsetUtil.UTF_8);

    // Decide whether to close the connection or not.
    boolean close = HttpHeaders.Values.CLOSE.equalsIgnoreCase(request.headers().get(CONNECTION))
            || request.getProtocolVersion().equals(HTTP_1_0)
                    && !KEEP_ALIVE.equalsIgnoreCase(request.headers().get(CONNECTION));

    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, buf);
    response.headers().set(CONTENT_TYPE, "application/json; charset=UTF-8");

    if (!close) {
        // There's no need to add 'Content-Length' header
        // if this is the last response.
        response.headers().set(CONTENT_LENGTH, buf.readableBytes());
    }//from   ww  w. j  a va 2s  . c o  m

    // Write the response.
    ChannelFuture future = channel.writeAndFlush(response);
    // Close the connection after the write operation is done if necessary.
    if (close) {
        future.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:io.crate.mqtt.protocol.MqttProcessor.java

private ChannelFuture sendErrorResponse(Channel channel, MqttConnectReturnCode returnCode) {

    return channel.writeAndFlush(MqttMessageFactory.newConnAck(returnCode, false))
            .addListener(ChannelFutureListener.CLOSE);
}

---

From source file:io.crate.protocols.http.HttpAuthUpstreamHandler.java

@VisibleForTesting
static void sendUnauthorized(Channel channel, @Nullable String body) {
    LOGGER.warn(body == null ? "unauthorized http chunk" : body);
    HttpResponse response;/*from  w  w w  . j av a2s .  co m*/
    if (body != null) {
        if (!body.endsWith("\n")) {
            body += "\n";
        }
        response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.UNAUTHORIZED,
                copiedBuffer(body, StandardCharsets.UTF_8));
        HttpUtil.setContentLength(response, body.length());
    } else {
        response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.UNAUTHORIZED);
    }
    // "Tell" the browser to open the credentials popup
    // It helps to avoid custom login page in AdminUI
    response.headers().set(HttpHeaderNames.WWW_AUTHENTICATE, WWW_AUTHENTICATE_REALM_MESSAGE);
    channel.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

---

From source file:io.crate.protocols.http.HttpBlobHandler.java

License:Apache License

private void sendResponse(HttpResponse response) {
    ChannelFuture cf = ctx.channel().writeAndFlush(response);
    if (currentMessage != null && !HttpUtil.isKeepAlive(currentMessage)) {
        cf.addListener(ChannelFutureListener.CLOSE);
    }/*from  w  w w  .j a va 2s. c o m*/
}

---

From source file:io.crate.protocols.http.HttpBlobHandler.java

License:Apache License

private void partialContentResponse(String range, HttpRequest request, String index, final String digest)
        throws IOException {
    assert range != null : "Getting partial response but no byte-range is not present.";
    Matcher matcher = CONTENT_RANGE_PATTERN.matcher(range);
    if (!matcher.matches()) {
        LOGGER.warn("Invalid byte-range: {}; returning full content", range);
        fullContentResponse(request, index, digest);
        return;//from   w ww  . j a v  a  2 s. c  o m
    }
    BlobShard blobShard = localBlobShard(index, digest);

    final RandomAccessFile raf = blobShard.blobContainer().getRandomAccessFile(digest);
    long start;
    long end;
    try {
        try {
            start = Long.parseLong(matcher.group(1));
            if (start > raf.length()) {
                LOGGER.warn("416 Requested Range not satisfiable");
                simpleResponse(HttpResponseStatus.REQUESTED_RANGE_NOT_SATISFIABLE);
                raf.close();
                return;
            }
            end = raf.length() - 1;
            if (!matcher.group(2).equals("")) {
                end = Long.parseLong(matcher.group(2));
            }
        } catch (NumberFormatException ex) {
            LOGGER.error("Couldn't parse Range Header", ex);
            start = 0;
            end = raf.length();
        }

        DefaultHttpResponse response = new DefaultHttpResponse(HTTP_1_1, PARTIAL_CONTENT);
        maybeSetConnectionCloseHeader(response);
        HttpUtil.setContentLength(response, end - start + 1);
        response.headers().set(HttpHeaderNames.CONTENT_RANGE,
                "bytes " + start + "-" + end + "/" + raf.length());
        setDefaultGetHeaders(response);

        ctx.channel().write(response);
        ChannelFuture writeFuture = transferFile(digest, raf, start, end - start + 1);
        if (!HttpUtil.isKeepAlive(request)) {
            writeFuture.addListener(ChannelFutureListener.CLOSE);
        }
    } catch (Throwable t) {
        /*
         * Make sure RandomAccessFile is closed when exception is raised.
         * In case of success, the ChannelFutureListener in "transferFile" will take care
         * that the resources are released.
         */
        raf.close();
        throw t;
    }
}

---

From source file:io.crate.protocols.http.HttpBlobHandler.java

License:Apache License

private void fullContentResponse(HttpRequest request, String index, final String digest) throws IOException {
    BlobShard blobShard = localBlobShard(index, digest);
    HttpResponse response = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);
    final RandomAccessFile raf = blobShard.blobContainer().getRandomAccessFile(digest);
    try {//  ww w .j a  va 2  s .  c  o  m
        HttpUtil.setContentLength(response, raf.length());
        setDefaultGetHeaders(response);
        LOGGER.trace("HttpResponse: {}", response);
        Channel channel = ctx.channel();
        channel.write(response);
        ChannelFuture writeFuture = transferFile(digest, raf, 0, raf.length());
        if (!HttpUtil.isKeepAlive(request)) {
            writeFuture.addListener(ChannelFutureListener.CLOSE);
        }
    } catch (Throwable t) {
        /*
         * Make sure RandomAccessFile is closed when exception is raised.
         * In case of success, the ChannelFutureListener in "transferFile" will take care
         * that the resources are released.
         */
        raf.close();
        throw t;
    }
}

---

From source file:io.enforcer.deathstar.ws.WebSocketServerHandler.java

License:Apache License

/**
 * Sends http response to clients/*from  www  . j a v  a2  s.c  om*/
 *
 * @param ctx handler context
 * @param req http request
 * @param res http response
 */
private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.status().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);
        buf.release();
        HttpHeaderUtil.setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaderUtil.isKeepAlive(req) || res.status().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

---

From source file:io.hekate.network.netty.NettyServerClient.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    if (isHandshakeDone()) {
        if (msg instanceof Heartbeat) {
            if (trace) {
                log.trace("Received network heartbeat from client [from={}]", address());
            }//from  ww w  .j  av a 2  s  .co  m
        } else {
            NettyMessage netMsg = (NettyMessage) msg;

            netMsg.prepare(log);

            if (trace) {
                log.trace("Message buffer prepared [from={}, message={}]", address(), netMsg);
            }

            if (metrics != null) {
                metrics.onMessageReceived();
            }

            try {
                serverHandler.onMessage(netMsg, this);
            } finally {
                netMsg.release();
            }
        }
    } else {
        if (trace) {
            log.trace("Received network handshake request [from={}, message={}]", address(), msg);
        }

        HandshakeRequest handshake = (HandshakeRequest) msg;

        String protocol;
        NettyServerHandler handlerReg;

        if (handshake == null) {
            protocol = null;
            handlerReg = null;
        } else {
            this.protocol = protocol = handshake.protocol();

            handlerReg = handlers.get(protocol);
        }

        if (handlerReg == null) {
            if (debug) {
                log.debug("Closing connection with unsupported protocol [from={}, protocol={}]", address(),
                        protocol);
            }

            HandshakeReject reject = new HandshakeReject("Unsupported protocol [protocol=" + protocol + ']');

            ctx.writeAndFlush(reject).addListener(ChannelFutureListener.CLOSE);
        } else {
            // Map connection to a thread.
            EventLoop eventLoop = mapToThread(handshake.threadAffinity(), handlerReg);

            // Check if we need to re-bind this channel to another thread.
            if (eventLoop.inEventLoop()) {
                // No need to rebind.
                init(ctx.channel(), handshake, handlerReg);
            } else {
                if (trace) {
                    log.trace("Registering channel to a custom NIO thread [from={}, protocol={}]", address(),
                            protocol);
                }

                // Unregister and then re-register IdleStateHandler in order to prevent RejectedExecutionException if same
                // instance is used on different threads.
                ctx.pipeline().remove(IdleStateHandler.class.getName());

                Channel channel = ctx.channel();

                channel.deregister().addListener(deregister -> {
                    if (deregister.isSuccess()) {
                        if (!eventLoop.isShutdown() && channel.isOpen()) {
                            eventLoop.register(channel).addListener(register -> {
                                if (register.isSuccess() && channel.isOpen()) {
                                    if (trace) {
                                        log.trace(
                                                "Registered channel to a custom NIO thread [from={}, protocol={}]",
                                                address(), protocol);
                                    }

                                    mayBeCreateIdleStateHandler().ifPresent(handler -> ctx.pipeline()
                                            .addFirst(IdleStateHandler.class.getName(), handler));

                                    init(channel, handshake, handlerReg);
                                }
                            });
                        }
                    }
                });
            }
        }
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15
• 16
• 17
• 18
• 19
• 20
• 21
• 22
• 23
• 24
• 25
• 26
• 27
• 28
• 29
• 30
• 31
• 32
• 33
• 34
• 35
• 36
• 37
• 38
• 39
• 40
• 41
• 42
• 43
• 44
• 45
• 46
• 47
• 48
• 49
• 50
• »