Example usage for io.netty.buffer ByteBuf release

List of usage examples for io.netty.buffer ByteBuf release

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf release.

Prototype

boolean release();

Source Link

Document

Decreases the reference count by 1 and deallocates this object if the reference count reaches at 0 .

Usage

From source file:TestTCP.java

License:Open Source License

public static void main(String... args) throws Throwable {
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    int width = (int) screenSize.getWidth();
    int height = (int) screenSize.getHeight();
    JFrame ventanica = new JFrame("HTTP test");
    ventanica.setBounds((width - 500) / 2, (height - 400) / 2, 500, 400);

    resultado = new JTextPane();
    resultado.setEditable(true);/*from w  w w .j  a v  a 2 s  . com*/
    resultado.setContentType("text/txt");
    resultado.setEditable(false);

    final JTextField direccion = new JTextField();
    JScrollPane scrollPane = new JScrollPane(resultado);
    final JLabel bytesSentLabel = new JLabel("Bytes Sent: 0B");
    final JLabel bytesReceivedLabel = new JLabel("Bytes Received: 0B");
    final JLabel timeSpent = new JLabel("Time: 0ms");
    timeSpent.setHorizontalAlignment(SwingConstants.CENTER);
    JPanel bottomPanel = new JPanel(new BorderLayout(1, 3));
    bottomPanel.add(bytesSentLabel, BorderLayout.WEST);
    bottomPanel.add(timeSpent, BorderLayout.CENTER);
    bottomPanel.add(bytesReceivedLabel, BorderLayout.EAST);

    ventanica.setLayout(new BorderLayout(3, 1));
    ventanica.add(direccion, BorderLayout.NORTH);
    ventanica.add(scrollPane, BorderLayout.CENTER);
    ventanica.add(bottomPanel, BorderLayout.SOUTH);

    ventanica.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    ventanica.setVisible(true);

    final IOService service = new IOService();

    direccion.addActionListener(new AbstractAction() {
        @Override
        public void actionPerformed(ActionEvent e) {
            final TCPSocket socket = new TCPSocket(service);
            resultado.setText("");
            bytesSentLabel.setText("Bytes Sent: 0B");
            bytesReceivedLabel.setText("Bytes Received: 0B");
            timeSpent.setText("Time: 0ms");
            direccion.setEnabled(false);

            String addr = direccion.getText();
            String host, path = "/";
            int puerto = 80;
            try {
                URL url = new URL((addr.startsWith("http://") ? "" : "http://") + addr);
                host = url.getHost();
                path = url.getPath().isEmpty() ? "/" : url.getPath();
                puerto = url.getPort() == -1 ? url.getDefaultPort() : url.getPort();
            } catch (MalformedURLException e1) {
                String as[] = addr.split(":");
                host = as[0];
                if (as.length > 1) {
                    puerto = Integer.parseInt(as[1]);
                }
            }
            final String request = "GET " + path + " HTTP/1.1\r\n" + "Accept-Charset: utf-8\r\n"
                    + "User-Agent: JavaNettyMelchor629\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\n"
                    + "\r\n";

            Callback<Future<Void>> l = new Callback<Future<Void>>() {
                @Override
                public void call(Future<Void> arg) {
                    final long start = System.currentTimeMillis();
                    final ByteBuf b = ByteBufAllocator.DEFAULT.buffer(16 * 1024).retain();
                    socket.onClose().whenDone(new Callback<Future<Void>>() {
                        @Override
                        public void call(Future<Void> arg) {
                            direccion.setEnabled(true);

                            long spent = System.currentTimeMillis() - start;
                            timeSpent.setText(String.format("Time spent: %dms", spent));
                            b.release();
                        }
                    });
                    socket.setOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, 5000);
                    socket.setOption(ChannelOption.SO_TIMEOUT, 5000);

                    socket.sendAsync(ByteBufUtil.writeUtf8(ByteBufAllocator.DEFAULT, request))
                            .whenDone(new Callback<Future<Void>>() {
                                @Override
                                public void call(Future<Void> arg) {
                                    bytesSentLabel.setText("Bytes Sent: " + socket.sendBytes() + "B");
                                    final Callback<Future<Long>> cbk = new Callback<Future<Long>>() {
                                        @Override
                                        public void call(Future<Long> arg) {
                                            bytesReceivedLabel
                                                    .setText("Bytes Received: " + socket.receivedBytes() + "B");
                                            if (!arg.isSuccessful())
                                                return;

                                            byte b1[] = new byte[(int) (long) arg.getValueNow()];
                                            b.getBytes(0, b1);
                                            resultado.setText(resultado.getText()
                                                    + new String(b1).replace("\r", "\\r").replace("\n", "\\n\n")
                                                    + "");
                                            b.setIndex(0, 0);
                                            socket.receiveAsync(b).whenDone(this);
                                        }
                                    };
                                    socket.receiveAsync(b).whenDone(cbk);
                                }
                            });
                }
            };

            try {
                socket.connectAsync(host, puerto, new OracleJREServerProvider()).whenDone(l);
            } catch (Throwable ignore) {
            }
        }
    });

    ventanica.addWindowListener(new WindowAdapter() {
        @Override
        public void windowClosing(WindowEvent e) {
            service.cancel();
        }
    });
}

From source file:TestSSL.java

License:Open Source License

public static void main(String[] args) {
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    int width = (int) screenSize.getWidth();
    int height = (int) screenSize.getHeight();
    JFrame ventanica = new JFrame("HTTPS test");
    ventanica.setBounds((width - 500) / 2, (height - 400) / 2, 500, 400);

    resultado = new JTextPane();
    resultado.setEditable(true);/*from   ww w .  j  a v a  2 s .  c o  m*/
    resultado.setContentType("text/txt");
    resultado.setEditable(false);

    final JTextField direccion = new JTextField();
    JScrollPane scrollPane = new JScrollPane(resultado);
    final JLabel bytesSentLabel = new JLabel("Bytes Sent: 0B");
    final JLabel bytesReceivedLabel = new JLabel("Bytes Received: 0B");
    final JLabel timeSpent = new JLabel("Time: 0ms");
    timeSpent.setHorizontalAlignment(SwingConstants.CENTER);
    JPanel bottomPanel = new JPanel(new BorderLayout(1, 3));
    bottomPanel.add(bytesSentLabel, BorderLayout.WEST);
    bottomPanel.add(timeSpent, BorderLayout.CENTER);
    bottomPanel.add(bytesReceivedLabel, BorderLayout.EAST);

    ventanica.setLayout(new BorderLayout(3, 1));
    ventanica.add(direccion, BorderLayout.NORTH);
    ventanica.add(scrollPane, BorderLayout.CENTER);
    ventanica.add(bottomPanel, BorderLayout.SOUTH);

    ventanica.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    ventanica.setVisible(true);

    final IOService service = new IOService();

    direccion.addActionListener(new AbstractAction() {
        @Override
        public void actionPerformed(ActionEvent e) {
            final SSLSocket socket = new SSLSocket(service);
            resultado.setText("");
            bytesSentLabel.setText("Bytes Sent: 0B");
            bytesReceivedLabel.setText("Bytes Received: 0B");
            timeSpent.setText("Time: 0ms");
            direccion.setEnabled(false);

            String addr = direccion.getText();
            String host, path = "/";
            int puerto = 80;
            try {
                URL url = new URL((addr.startsWith("https://") ? "" : "https://") + addr);
                host = url.getHost();
                path = url.getPath().isEmpty() ? "/" : url.getPath();
                puerto = url.getPort() == -1 ? url.getDefaultPort() : url.getPort();
            } catch (MalformedURLException e1) {
                String as[] = addr.split(":");
                host = as[0];
                if (as.length > 1) {
                    puerto = Integer.parseInt(as[1]);
                }
            }
            final String request = "GET " + path + " HTTP/1.1\r\n" + "Accept-Charset: utf-8\r\n"
                    + "User-Agent: JavaNettyMelchor629\r\n" + "Host: " + host + "\r\n" + "Connection: close\r\n"
                    + "\r\n";

            Callback<Future<Void>> l = new Callback<Future<Void>>() {
                @Override
                public void call(Future<Void> arg) {
                    final long start = System.currentTimeMillis();
                    final ByteBuf b = ByteBufAllocator.DEFAULT.buffer(16 * 1024).retain();
                    socket.onClose().whenDone(new Callback<Future<Void>>() {
                        @Override
                        public void call(Future<Void> arg) {
                            direccion.setEnabled(true);

                            long spent = System.currentTimeMillis() - start;
                            timeSpent.setText(String.format("Time spent: %dms", spent));
                            b.release();
                        }
                    });
                    socket.setOption(ChannelOption.CONNECT_TIMEOUT_MILLIS, 5000);
                    socket.setOption(ChannelOption.SO_TIMEOUT, 5000);

                    socket.sendAsync(ByteBufUtil.writeUtf8(ByteBufAllocator.DEFAULT, request))
                            .whenDone(new Callback<Future<Void>>() {
                                @Override
                                public void call(Future<Void> arg) {
                                    bytesSentLabel.setText("Bytes Sent: " + socket.sendBytes() + "B");
                                    final Callback<Future<Long>> cbk = new Callback<Future<Long>>() {
                                        @Override
                                        public void call(Future<Long> arg) {
                                            bytesReceivedLabel
                                                    .setText("Bytes Received: " + socket.receivedBytes() + "B");
                                            if (!arg.isSuccessful())
                                                return;

                                            byte b1[] = new byte[(int) (long) arg.getValueNow()];
                                            b.getBytes(0, b1);
                                            resultado.setText(resultado.getText()
                                                    + new String(b1).replace("\r", "\\r").replace("\n", "\\n\n")
                                                    + "");
                                            b.setIndex(0, 0);
                                            socket.receiveAsync(b).whenDone(this);
                                        }
                                    };
                                    socket.receiveAsync(b).whenDone(cbk);
                                }
                            });
                }
            };

            try {
                socket.connectAsync(host, puerto, new OracleJREServerProvider()).whenDone(l);
            } catch (Throwable ignore) {
            }
        }
    });

    ventanica.addWindowListener(new WindowAdapter() {
        @Override
        public void windowClosing(WindowEvent e) {
            service.cancel();
        }
    });
}

From source file:adalightserver.http.HttpServer.java

License:Apache License

@SuppressWarnings("unused")
private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, String response) {
    FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK);
    ByteBuf buf = Unpooled.copiedBuffer(response, CharsetUtil.US_ASCII);
    res.content().writeBytes(buf);//from   ww w . j a  v a2s  .  c o  m
    buf.release();
    res.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
    HttpHeaders.setContentLength(res, res.content().readableBytes());
    sendHttpResponse(ctx, req, res);
}

From source file:adalightserver.http.HttpServer.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // res.headers().set("Access-Control-Allow-Methods", "POST, OPTIONS, GET");
    // res.headers().set("Access-Control-Allow-Origin", "*");
    // res.headers().set("Access-Control-Allow-Headers", "*");

    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);/*  ww  w  . java2  s  . c om*/
        buf.release();
        HttpHeaders.setContentLength(res, res.content().readableBytes());
    }
    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaders.isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

From source file:alluxio.client.block.stream.FailingTestDataWriter.java

License:Apache License

@Override
public void writeChunk(ByteBuf chunk) throws IOException {
    chunk.release();
    throw new IOException();
}

From source file:alluxio.client.block.stream.FailingTestPacketWriter.java

License:Apache License

@Override
public void writePacket(ByteBuf packet) throws IOException {
    packet.release();
    throw new IOException();
}

From source file:alluxio.client.block.stream.GrpcDataWriter.java

License:Apache License

@Override
public void writeChunk(final ByteBuf buf) throws IOException {
    mPosToQueue += buf.readableBytes();/*from   w  ww  .ja  v a2  s .c om*/
    try {
        WriteRequest request = WriteRequest.newBuilder().setCommand(mPartialRequest)
                .setChunk(Chunk.newBuilder().setData(UnsafeByteOperations.unsafeWrap(buf.nioBuffer())).build())
                .build();
        if (mStream instanceof GrpcDataMessageBlockingStream) {
            ((GrpcDataMessageBlockingStream<WriteRequest, WriteResponse>) mStream)
                    .sendDataMessage(new DataMessage<>(request, new NettyDataBuffer(buf)), mDataTimeoutMs);
        } else {
            mStream.send(request, mDataTimeoutMs);
        }
    } finally {
        buf.release();
    }
}

From source file:alluxio.client.block.stream.LocalFileDataWriter.java

License:Apache License

@Override
public void writeChunk(final ByteBuf buf) throws IOException {
    try {/*from w  w  w  .  java 2  s .  c om*/
        Preconditions.checkState(!mStream.isCanceled() && !mStream.isClosed(),
                "DataWriter is closed while writing chunks.");
        int sz = buf.readableBytes();
        ensureReserved(mPos + sz);
        mPos += sz;
        Preconditions.checkState(mWriter.append(buf) == sz);
    } finally {
        buf.release();
    }
}

From source file:alluxio.client.block.stream.LocalFilePacketWriter.java

License:Apache License

@Override
public void writePacket(final ByteBuf buf) throws IOException {
    try {/*from  ww w.j a  va2  s .c  o  m*/
        Preconditions.checkState(!mClosed, "PacketWriter is closed while writing packets.");
        int sz = buf.readableBytes();
        ensureReserved(mPos + sz);
        mPos += sz;
        Preconditions.checkState(buf.readBytes(mWriter.getChannel(), sz) == sz);
    } finally {
        buf.release();
    }
}

From source file:alluxio.client.block.stream.NettyPacketWriter.java

License:Apache License

@Override
public void writePacket(final ByteBuf buf) throws IOException {
    final long len;
    final long offset;
    try (LockResource lr = new LockResource(mLock)) {
        Preconditions.checkState(!mClosed && !mEOFSent && !mCancelSent);
        Preconditions.checkArgument(buf.readableBytes() <= PACKET_SIZE);
        while (true) {
            if (mPacketWriteException != null) {
                throw new IOException(mPacketWriteException);
            }/*from   w  ww .j ava2s .c  om*/
            if (!tooManyPacketsInFlight()) {
                offset = mPosToQueue;
                mPosToQueue += buf.readableBytes();
                len = buf.readableBytes();
                break;
            }
            try {
                if (!mBufferNotFullOrFailed.await(WRITE_TIMEOUT_MS, TimeUnit.MILLISECONDS)) {
                    throw new IOException(String.format("Timeout to write packet to %d @ %s.", mId, mAddress));
                }
            } catch (InterruptedException e) {
                throw Throwables.propagate(e);
            }
        }
    } catch (Throwable e) {
        buf.release();
        throw e;
    }

    Protocol.WriteRequest writeRequest = Protocol.WriteRequest.newBuilder().setId(mId).setOffset(offset)
            .setSessionId(mSessionId).setTier(mTier).setType(mRequestType).build();
    DataBuffer dataBuffer = new DataNettyBufferV2(buf);
    mChannel.writeAndFlush(new RPCProtoMessage(new ProtoMessage(writeRequest), dataBuffer))
            .addListener(new WriteListener(offset + len));
}