Example usage for io.netty.buffer ByteBuf writeBytes

Introduction

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

Prototype

public abstract ByteBuf writeBytes(ByteBuffer src);

Source Link

Document

Transfers the specified source buffer's data to this buffer starting at the current writerIndex until the source buffer's position reaches its limit, and increases the writerIndex by the number of the transferred bytes.

Usage

From source file:com.github.subalakr.yasjl.Bench.java

License:Apache License

public void run() throws Exception {
    for (int i = 0; i < iterations; i++) {
        ByteBuf inBuf = Unpooled.buffer();
        JsonPointer[] jsonPointers = { new JsonPointer("/metrics/resultCount", new JsonPointerCB1() {
            public void call(ByteBuf buf) {
                buf.release();/*from  w  w  w  .j a  va  2  s. c  o m*/
            }
        }), new JsonPointer("/metrics/warningCount", new JsonPointerCB1() {
            public void call(ByteBuf buf) {
                buf.release();
            }
        }), new JsonPointer("/metrics/errorCount", new JsonPointerCB1() {
            public void call(ByteBuf buf) {
                buf.release();
            }
        }), new JsonPointer("/results/-", new JsonPointerCB1() {
            public void call(ByteBuf buf) {
                rowsEmitted.getAndIncrement();
                buf.release();
            }
        }), new JsonPointer("/errors/-", new JsonPointerCB1() {
            public void call(ByteBuf buf) {
                buf.release();
            }
        }), new JsonPointer("/warnings/-", new JsonPointerCB1() {
            public void call(ByteBuf buf) {
                buf.release();
            }
        }), };
        parser.initialize(inBuf, jsonPointers);
        inBuf.writeBytes(inJson.getBytes());
        long start = System.currentTimeMillis();
        parser.parse();
        long currentRun = System.currentTimeMillis() - start;
        totalDuration += currentRun;
        totalBytesRead += inJsonSz;
        inBuf.discardReadBytes();
        inBuf.release();
    }
}

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From source file:com.google.devtools.build.lib.remote.blobstore.http.HttpDownloadHandlerTest.java

License:Open Source License

private void downloadShouldWork(boolean casDownload, EmbeddedChannel ch) throws IOException {
    ByteArrayOutputStream out = Mockito.spy(new ByteArrayOutputStream());
    DownloadCommand cmd = new DownloadCommand(CACHE_URI, casDownload, "abcdef", out);
    ChannelPromise writePromise = ch.newPromise();
    ch.writeOneOutbound(cmd, writePromise);

    HttpRequest request = ch.readOutbound();
    assertThat(request.method()).isEqualTo(HttpMethod.GET);
    assertThat(request.headers().get(HttpHeaderNames.HOST))
            .isEqualTo(CACHE_URI.getHost() + ":" + CACHE_URI.getPort());
    if (casDownload) {
        assertThat(request.uri()).isEqualTo("/cache-bucket/cas/abcdef");
    } else {//from   www .jav  a 2  s . com
        assertThat(request.uri()).isEqualTo("/cache-bucket/ac/abcdef");
    }

    assertThat(writePromise.isDone()).isFalse();

    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
    response.headers().set(HttpHeaders.CONTENT_LENGTH, 5);
    response.headers().set(HttpHeaders.CONNECTION, HttpHeaderValues.KEEP_ALIVE);
    ch.writeInbound(response);
    ByteBuf content = Unpooled.buffer();
    content.writeBytes(new byte[] { 1, 2, 3, 4, 5 });
    ch.writeInbound(new DefaultLastHttpContent(content));

    assertThat(writePromise.isDone()).isTrue();
    assertThat(out.toByteArray()).isEqualTo(new byte[] { 1, 2, 3, 4, 5 });
    verify(out, never()).close();
    assertThat(ch.isActive()).isTrue();
}

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From source file:com.guowl.websocket.stream.client.StreamClientRunner.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {//  ww  w.  j av  a  2 s.  c om
        // Connect with V13 (RFC 6455 aka HyBi-17). You can change it to V08
        // or V00.
        // If you change it to V00, ping is not supported and remember to
        // change
        // HttpResponseDecoder to WebSocketHttpResponseDecoder in the
        // pipeline.
        final StreamClientHandler handler = new StreamClientHandler(WebSocketClientHandshakerFactory
                .newHandshaker(uri, WebSocketVersion.V13, null, false, new DefaultHttpHeaders()));

        final String protocol = uri.getScheme();
        int defaultPort;
        ChannelInitializer<SocketChannel> initializer;

        // Normal WebSocket
        if ("ws".equals(protocol)) {
            initializer = new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel ch) throws Exception {
                    ch.pipeline().addLast("http-codec", new HttpClientCodec())
                            .addLast("aggregator", new HttpObjectAggregator(8192))
                            .addLast("ws-handler", handler);
                }
            };

            defaultPort = 80;
            // Secure WebSocket
        } else {
            throw new IllegalArgumentException("Unsupported protocol: " + protocol);
        }

        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioSocketChannel.class).handler(initializer);

        int port = uri.getPort();
        // If no port was specified, we'll try the default port:
        if (uri.getPort() == -1) {
            port = defaultPort;
        }

        Channel ch = b.connect(uri.getHost(), port).sync().channel();
        handler.handshakeFuture().sync();
        ByteBuf dataBuf = ch.alloc().buffer();
        dataBuf.writeBytes("start".getBytes());
        ch.writeAndFlush(new BinaryWebSocketFrame(false, 0, dataBuf));
        ch.writeAndFlush(new ContinuationWebSocketFrame(true, 0, "end"));
        Thread.sleep(1000 * 60 * 60);
    } finally {
        group.shutdownGracefully();
    }
}

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From source file:com.hazelcast.simulator.protocol.core.SimulatorMessageCodec.java

License:Open Source License

public static void encodeByteBuf(SimulatorMessage msg, ByteBuf buffer) {
    byte[] data = msg.getOperationData().getBytes(UTF_8);

    buffer.writeInt(HEADER_SIZE + data.length);
    buffer.writeInt(MAGIC_BYTES);/* ww w .j  av  a2 s . c  om*/

    SimulatorAddressCodec.encodeByteBuf(msg.getDestination(), buffer);
    SimulatorAddressCodec.encodeByteBuf(msg.getSource(), buffer);

    buffer.writeLong(msg.getMessageId());
    buffer.writeInt(msg.getOperationType().toInt());

    buffer.writeBytes(data);
}

---

From source file:com.heelenyc.im.coder.MessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, Message msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null)
        throw new Exception("The encode message is null");

    sendBuf.writeInt((msg.getHeader().getCrcCode()));
    sendBuf.writeInt((msg.getHeader().getLength())); // ?
    sendBuf.writeLong((msg.getHeader().getSessionID()));
    sendBuf.writeByte((msg.getHeader().getType()));
    sendBuf.writeByte((msg.getHeader().getPriority()));
    sendBuf.writeInt((msg.getHeader().getAttachment().size()));
    String key = null;//from  w w w .  j ava  2s.  c o m
    byte[] keyArray = null;
    Object value = null;
    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        // write key
        key = param.getKey();
        keyArray = key.getBytes(Constans.ATTACHMENT_KEY_CHARACTSET);
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        // write value
        value = param.getValue();
        encoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    if (msg.getBody() != null) {
        encoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    int totalSize = sendBuf.readableBytes() - Constans.MESSAGE_LENGTH_FIELD_OFFSET
            - Constans.MESSAGE_LENGTH_FIELD_LENGTH;
    // fix head length field
    msg.getHeader().setLength(totalSize);
    // ?
    sendBuf.setInt(Constans.MESSAGE_LENGTH_FIELD_OFFSET, totalSize);
    logger.debug("encode :" + msg);
}

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From source file:com.heliosapm.ohcrs.impls.oracle.OracleDriverCodec.java

License:Apache License

/**
 * {@inheritDoc}/*w ww.  j  a  v a 2 s.  c o m*/
 * @see com.heliosapm.ohcrs.core.DriverCodec#write(java.lang.Object, com.heliosapm.ohcrs.core.DBType, io.netty.buffer.ByteBuf)
 */
@Override
public int write(final Datum t, final DBType d, final ByteBuf b) throws SQLException {
    if (prefix(t, d, b)) {
        final byte[] bytes = t.getBytes();
        b.writeInt(bytes.length);
        if (t instanceof oracle.sql.CHAR) {
            b.writeInt(((oracle.sql.CHAR) t).oracleId());
        }
        b.writeBytes(bytes);
    }
    return b.readerIndex();
}

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From source file:com.heliosapm.streams.metrichub.HubManager.java

License:Apache License

protected ByteBuf updateJsonRequest(final List<TSMeta> tsMetas, final ByteBuf header) {
    try {/*from   w w w  .j  a v  a 2s .  c  o  m*/
        final ByteBuf request = BufferManager.getInstance().buffer(header.readableBytes() + 1024);
        request.writeBytes(header);
        header.resetReaderIndex();
        request.writerIndex(request.writerIndex() - REQUEST_CLOSER.length());
        for (TSMeta ts : tsMetas) {
            request.writeCharSequence(new StringBuilder("\"").append(ts.getTSUID()).append("\","), UTF8);
        }
        request.writerIndex(request.writerIndex() - 1);
        request.writeCharSequence(REQUEST_CLOSER, UTF8);
        return request;
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

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From source file:com.heliosapm.streams.metrics.aggregation.StreamedMetricAggregation.java

License:Apache License

/**
 * Returns this aggregation as a byte array
 * @return a byte array/*from   ww w.  ja  v  a  2  s.  c om*/
 */
public byte[] toByteArray() {
    final ByteBuf b = BufferManager.getInstance().buffer(size == -1 ? 128 : size);
    try {
        b.writeByte(sticky ? 1 : 0);
        b.writeByte(doubleType ? 1 : 0);
        b.writeLong(createTime);
        b.writeLong(period);
        b.writeByte(periodUnit.ordinal());
        values.position(0);
        b.writeBytes(values);
        b.writeByte(tags.size());
        BufferManager.writeUTF(metricName, b);
        for (Map.Entry<String, String> entry : tags.entrySet()) {
            BufferManager.writeUTF(entry.getKey(), b);
            BufferManager.writeUTF(entry.getValue(), b);
        }
        return ByteBufUtil.getBytes(b);
    } finally {
        try {
            b.release();
        } catch (Exception x) {
            /* No Op */}
    }
}

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From source file:com.heliosapm.streams.tracing.DefaultTracerImpl.java

License:Apache License

/**
 * {@inheritDoc}//from   w  w  w. j a  va2 s.c  o m
 * @see com.heliosapm.streams.tracing.ITracer#flush()
 */
@Override
public ITracer flush() {
    if (bufferedEvents > 0) {
        final ElapsedTime et = SystemClock.startClock();
        outBuffer.setInt(COMPRESS_OFFSET, 0);
        outBuffer.setInt(COUNT_OFFSET, bufferedEvents);
        final ByteBuf bufferCopy = bufferFactory.buffer(outBuffer.readableBytes());
        //         bufferCopy.writeByte(0);
        //         bufferCopy.writeInt(bufferedEvents);
        bufferCopy.writeBytes(outBuffer);
        outBuffer.resetReaderIndex();
        outBuffer.writerIndex(START_DATA_OFFSET);
        final int finalCount = bufferedEvents;
        flushPool.execute(new Runnable() {
            @Override
            public void run() {
                writer.onMetrics(bufferCopy);
                flushOutEvents.add(finalCount);
                //               log.info(et.printAvg("Metrics flushed", finalCount));
            }
        });
        bufferedEvents = 0;
    }
    return this;
}

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From source file:com.hop.hhxx.example.http2.helloworld.multiplex.server.HelloWorldHttp2Handler.java

License:Apache License

/**
 * If receive a frame with end-of-stream set, send a pre-canned response.
 *///from  www  . j av a2s  .  c  o  m
public void onHeadersRead(ChannelHandlerContext ctx, Http2HeadersFrame headers) throws Exception {
    if (headers.isEndStream()) {
        ByteBuf content = ctx.alloc().buffer();
        content.writeBytes(RESPONSE_BYTES);
        ByteBufUtil.writeAscii(content, " - via HTTP/2");
        sendResponse(ctx, content);
    }
}

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