Example usage for io.netty.channel.socket DatagramPacket content

List of usage examples for io.netty.channel.socket DatagramPacket content

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Introduction

In this page you can find the example usage for io.netty.channel.socket DatagramPacket content.

Prototype

ByteBuf content();

Source Link

Document

Return the data which is held by this ByteBufHolder .

Usage

From source file:org.codice.alliance.video.stream.mpegts.netty.RawUdpDataToMTSPacketDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List<Object> outputList) throws Exception {

    notNull(ctx, "ctx must be non-null");
    notNull(msg, "msg must be non-null");
    notNull(outputList, "outputList must be non-null");

    LOCK.lock();//from  w w w .  j av a  2s  .co m
    try {
        checkSecuritySubject(msg);

        byteBuf.writeBytes(msg.content());

        skipToSyncByte();

        while (byteBuf.readableBytes() >= TS_PACKET_SIZE) {
            parseMpegTsPacket(outputList);
        }

        byteBuf.discardReadBytes();
    } finally {
        LOCK.unlock();
    }

}

From source file:org.graylog2.gelfclient.encoder.GelfMessageUdpEncoderTest.java

License:Apache License

@Test
public void testEncode() throws Exception {
    InetSocketAddress remoteAddress = new InetSocketAddress("127.0.0.1", 12201);
    EmbeddedChannel channel = new EmbeddedChannel(new GelfMessageUdpEncoder(remoteAddress));

    // Test writing.
    assertTrue(channel.writeOutbound(Unpooled.wrappedBuffer("test".getBytes())));
    assertTrue(channel.finish());/*from   w  w  w  .  j  a  v a2s.c o m*/

    // Test reading.
    DatagramPacket datagramPacket = (DatagramPacket) channel.readOutbound();

    byte[] bytes = new byte[datagramPacket.content().readableBytes()];

    datagramPacket.content().getBytes(0, bytes);

    assertEquals(remoteAddress, datagramPacket.recipient());
    assertEquals("test", new String(bytes));
}

From source file:org.graylog2.inputs.transports.netty.DatagramPacketHandler.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List<Object> out) throws Exception {
    final ByteBuf content = msg.content();
    out.add(ReferenceCountUtil.retain(content));
}

From source file:org.hawkular.metrics.clients.ptrans.collectd.packet.CollectdPacketDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext context, DatagramPacket packet, List<Object> out) throws Exception {
    long start = System.currentTimeMillis();
    ByteBuf content = packet.content();
    List<Part> parts = new ArrayList<>(100);
    for (;;) {/* w  ww  .ja va2s . co  m*/
        if (!hasReadableBytes(content, 4)) {
            break;
        }
        short partTypeId = content.readShort();
        PartType partType = PartType.findById(partTypeId);
        int partLength = content.readUnsignedShort();
        int valueLength = partLength - 4;
        if (!hasReadableBytes(content, valueLength)) {
            break;
        }
        if (partType == null) {
            content.skipBytes(valueLength);
            continue;
        }
        Part part;
        switch (partType) {
        case HOST:
        case PLUGIN:
        case PLUGIN_INSTANCE:
        case TYPE:
        case INSTANCE:
            part = new StringPart(partType, readStringPartContent(content, valueLength));
            break;
        case TIME:
        case TIME_HIGH_RESOLUTION:
        case INTERVAL:
        case INTERVAL_HIGH_RESOLUTION:
            part = new NumericPart(partType, readNumericPartContent(content));
            break;
        case VALUES:
            part = new ValuePart(partType, readValuePartContent(content, valueLength));
            break;
        default:
            part = null;
            content.skipBytes(valueLength);
        }
        //noinspection ConstantConditions
        if (part != null) {
            logger.trace("Decoded part: {}", part);
            parts.add(part);
        }
    }

    if (logger.isTraceEnabled()) {
        long stop = System.currentTimeMillis();
        logger.trace("Decoded datagram in {} ms", stop - start);
    }

    if (parts.size() > 0) {
        CollectdPacket collectdPacket = new CollectdPacket(parts);
        out.add(collectdPacket);
    } else {
        logger.debug("No parts decoded, no CollectdPacket output");
    }
}

From source file:org.hawkular.metrics.clients.ptrans.ganglia.UdpGangliaDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, DatagramPacket in, List<Object> out) throws Exception {
    ByteBuf msg = in.content();
    if (msg.readableBytes() < 5) {
        msg.clear();//from www.j a v a 2  s . c om
        ctx.close();
        return;
    }

    short magic = msg.getUnsignedByte(3);
    if (msg.getByte(0) == 0 && msg.getByte(1) == 0 && msg.getByte(2) == 0 && magic == 134) {

        // We have an UnsafeSuperDuperBuffer, so we need to "manually" pull the bytes from it.
        byte[] bytes = new byte[msg.readableBytes()];
        msg.readBytes(bytes);

        XdrBufferDecodingStream stream = new XdrBufferDecodingStream(bytes);
        stream.beginDecoding();
        stream.xdrDecodeInt(); // Packet id , should be 134 as in above magic => type of value
        String host = stream.xdrDecodeString();
        String metricName = stream.xdrDecodeString();
        stream.xdrDecodeInt();
        String format = stream.xdrDecodeString(); // e.g. .0f for a number
        String value;
        if (format.endsWith("f")) {
            value = String.valueOf(stream.xdrDecodeFloat());
        } else {
            value = stream.xdrDecodeString();
        }
        stream.endDecoding();

        try {
            String path = host + "." + metricName;
            Double val = Double.parseDouble(value);

            SingleMetric metric = new SingleMetric(path, System.currentTimeMillis(), val);
            out.add(metric);
        } catch (Exception e) {
            e.printStackTrace();
            msg.clear();
            ctx.close();

        }
    }

}

From source file:org.hawkular.metrics.clients.ptrans.statsd.StatsdDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List<Object> out) throws Exception {
    ByteBuf buf = msg.content();

    if (buf.readableBytes() < 3) {
        // Not enough data - nothing to do.
        buf.clear();/*from w  w  w.j a  va  2 s .c  om*/
        ctx.close();
        return;
    }

    String packet = buf.toString(CharsetUtil.UTF_8).trim();
    if (!packet.contains(":")) {
        buf.clear();
        ctx.close();
        return;
    }

    String name = packet.substring(0, packet.indexOf(":"));
    String remainder = packet.substring(packet.indexOf(":") + 1);
    String valString;
    String type;
    if (remainder.contains("|")) {
        valString = remainder.substring(0, remainder.indexOf("|"));
        type = remainder.substring(remainder.indexOf("|") + 1);
    } else {
        valString = remainder;
        type = "";
    }
    Double value = Double.valueOf(valString);
    SingleMetric singleMetric = new SingleMetric(name, System.currentTimeMillis(), value,
            MetricType.from(type));
    out.add(singleMetric);
}

From source file:org.hawkular.metrics.clients.ptrans.syslog.UdpSyslogEventDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List<Object> out) throws Exception {

    ByteBuf buf = msg.content();

    DecoderUtil.decodeTheBuffer(buf, out);
}

From source file:org.kaazing.messaging.driver.transport.netty.udp.NettySendingTransport.java

License:Apache License

@Override
public void submit(DriverMessage driverMessage) {
    DatagramPacket nettyMessage = tlNettyMessage.get();
    nettyMessage.content().retain();

    //TODO(JAF): Avoid making a new byte array with each send
    byte[] bytesToSend = new byte[driverMessage.getBufferLength()];
    driverMessage.getBuffer().getBytes(driverMessage.getBufferOffset(), bytesToSend);
    nettyMessage.content().setBytes(0, bytesToSend);
    nettyMessage.content().writerIndex(bytesToSend.length);

    ChannelFuture future = sendingChannel.writeAndFlush(nettyMessage);
    try {/*w w w .jav  a 2  s .  com*/
        if (future.sync().await(1000) == false) {
            LOGGER.debug("Timed out sending message");
        }

    } catch (InterruptedException e) {
        LOGGER.debug("Interrupted while sending message");
    }
}

From source file:org.lanternpowered.server.network.query.QueryHandler.java

License:MIT License

@Override
protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception {
    final ByteBuf buf = msg.content();
    if (buf.readableBytes() < 7) {
        return;/*w w w .  j av  a  2  s. c om*/
    }

    final int magic = buf.readUnsignedShort();
    final byte type = buf.readByte();
    final int sessionId = buf.readInt();

    if (magic != 0xFEFD) {
        return;
    }

    if (type == ACTION_HANDSHAKE) {
        handleHandshake(ctx, msg, sessionId);
    } else if (type == ACTION_STATS) {
        if (buf.readableBytes() < 4) {
            return;
        }
        final int token = buf.readInt();
        if (this.queryServer.verifyChallengeToken(msg.sender(), token)) {
            if (buf.readableBytes() == 4) {
                this.handleFullStats(ctx, msg, sessionId);
            } else {
                this.handleBasicStats(ctx, msg, sessionId);
            }
        }
    }
}

From source file:org.loggo.server.DgramHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
    String msg = packet.content().toString(UTF_8);
    logger.channelRead0(ctx, msg);//from  www.  ja  v  a2 s .c  om
}