Example usage for java.net DatagramPacket getData

Introduction

In this page you can find the example usage for java.net DatagramPacket getData.

Prototype

public synchronized byte[] getData() 

Source Link

Document

Returns the data buffer.

Usage

From source file:ch.aschaefer.udp.DatagramSocketToControlMessageConverter.java

@Override
public ControlMessage convert(DatagramPacket source) {
    return new ControlMessage().timestamp(DateTimeFormatter.ISO_LOCAL_DATE_TIME.format(LocalDateTime.now()))
            .hex(toHex(source.getData())).source(source.getSocketAddress().toString())
            .targetHost(source.getAddress().getHostAddress()).targetPort(source.getPort());
}

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From source file:werewolf_client.Werewolf_Client.java

public void recvFromClient(String adr, int p) throws SocketException, IOException {
    DatagramSocket recv = new DatagramSocket(p);
    byte[] recvData = new byte[1024];

    while (true) {
        DatagramPacket recvPacket = new DatagramPacket(recvData, recvData.length);
        recv.receive(recvPacket);// w w w .  j  av  a 2s  .  c  o m

        String s = new String(recvPacket.getData(), 0, recvPacket.getLength());
        System.out.println("ReceivedD\n" + s);
    }
}

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From source file:sx.blah.discord.api.internal.OpusPacket.java

OpusPacket(DatagramPacket udpPacket) {
    this.header = new RTPHeader(Arrays.copyOf(udpPacket.getData(), RTPHeader.LENGTH));
    this.audio = Arrays.copyOfRange(udpPacket.getData(), RTPHeader.LENGTH, udpPacket.getLength());
    this.isEncrypted = true;
}

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From source file:org.graylog2.messagehandlers.gelf.GELFTest.java

/**
 * Test getGELFType method with a ZLIB encrypted message
 *///www  . j  a  v  a 2  s .  co  m
@Test
public void testGetGELFTypeWithZLIBEncryption() throws Exception {
    // Build a datagram packet.
    DatagramPacket gelfMessage = GELFTestHelper.buildZLIBCompressedDatagramPacket(this.originalMessage);

    assertEquals(GELF.TYPE_ZLIB, GELF.getGELFType(gelfMessage.getData()));
}

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From source file:org.graylog2.messagehandlers.gelf.GELFTest.java

/**
 * Test getGELFType method with a GZIP encrypted message
 *///from w w w  . j  ava 2  s .  c  o  m
@Test
public void testGetGELFTypeWithGZIPEncryption() throws Exception {
    // Build a datagram packet.
    DatagramPacket gelfMessage = GELFTestHelper.buildGZIPCompressedDatagramPacket(this.originalMessage);

    assertEquals(GELF.TYPE_GZIP, GELF.getGELFType(gelfMessage.getData()));
}

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From source file:org.openhab.binding.edimax.internal.UDPDiscoverer.java

private EdimaxDevice[] discover() throws SocketException, UnknownHostException, IOException {
    List<EdimaxDevice> discoveredDevices = new ArrayList<EdimaxDevice>();
    DatagramSocket serverSocket = null;
    try {//from   ww  w.  j a va 2s.c  o  m
        serverSocket = new DatagramSocket(12346); // choose random port,
        // because with empty
        // port sometimes error
        // occures.

        // send UDP broadcast
        InetAddress ipAddress = InetAddress.getByName("255.255.255.255");
        byte[] sendData = DISCOVERY_BYTES;
        DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, ipAddress, 20560);
        serverSocket.send(sendPacket);

        // receive
        serverSocket.setSoTimeout(1000 * 5);
        byte[] receiveData = new byte[1024];

        try {
            while (true) {
                DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);

                serverSocket.receive(receivePacket);
                String sentence = new String(receivePacket.getData());

                if (!StringUtils.isEmpty(sentence) && sentence.contains("EDIMAX")) {
                    byte[] mac = new byte[6];
                    System.arraycopy(receivePacket.getData(), 0, mac, 0, 6);

                    String encodedMAC = Hex.encodeHexString(mac).toUpperCase();
                    InetAddress discoveredIp = receivePacket.getAddress();

                    EdimaxDevice dev = new EdimaxDevice();
                    dev.setIp(discoveredIp.getHostAddress());
                    dev.setMac(encodedMAC);

                    discoveredDevices.add(dev);
                }

            }
        } catch (SocketTimeoutException e) {
            // intended to happen
        }
    } finally {
        if (serverSocket != null) {
            serverSocket.close();
        }
    }
    return discoveredDevices.toArray(new EdimaxDevice[discoveredDevices.size()]);
}

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From source file:org.apache.camel.component.mina.MinaUdpWithInOutUsingPlainSocketTest.java

private String sendAndReceiveUdpMessages(String input) throws Exception {
    DatagramSocket socket = new DatagramSocket();
    InetAddress address = InetAddress.getByName("127.0.0.1");

    byte[] data = input.getBytes();

    DatagramPacket packet = new DatagramPacket(data, data.length, address, PORT);
    LOG.debug("+++ Sending data +++");
    socket.send(packet);/*  w w w  .j a  va2 s .  co  m*/

    Thread.sleep(1000);

    byte[] buf = new byte[128];
    DatagramPacket receive = new DatagramPacket(buf, buf.length, address, PORT);
    LOG.debug("+++ Receving data +++");
    socket.receive(receive);

    socket.close();

    return new String(receive.getData(), 0, receive.getLength());
}

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From source file:org.squidy.manager.protocol.udp.UDPServer.java

@Override
public void run() {
    while (running) {
        try {/*ww w .  j  a va  2 s  .  c o m*/
            byte[] buffer = new byte[BUFFER_SIZE];
            DatagramPacket packet = new DatagramPacket(buffer, BUFFER_SIZE);
            socket.receive(packet);
            data = new String(packet.getData());
            int last = 0;
            while (last < BUFFER_SIZE) {
                if (buffer[last] == 0)
                    break;
                last++;
            }
            data = data.substring(0, last);
            if (last == BUFFER_SIZE) {
                LOG.error("Input buffer overflow");
            } else {
                for (UDPListener listener : listeners) {
                    listener.parseData(data);
                }
            }

            for (UDPListener listener : listeners) {
                listener.parseData(packet.getData());
            }

            for (UDPListener listener : listeners) {
                listener.receive(packet);
            }
        } catch (IOException e) {
            if (LOG.isErrorEnabled()) {
                LOG.error("Connection error occured.");
            }
        }
    }
    socket.close();
}

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From source file:org.apache.camel.component.netty.NettyUdpWithInOutUsingPlainSocketTest.java

private String sendAndReceiveUdpMessages(String input) throws Exception {
    DatagramSocket socket = new DatagramSocket();
    InetAddress address = InetAddress.getByName("127.0.0.1");

    // must append delimiter
    byte[] data = (input + "\n").getBytes();

    DatagramPacket packet = new DatagramPacket(data, data.length, address, PORT);
    LOG.debug("+++ Sending data +++");
    socket.send(packet);/* w ww. j  a va  2s  . c om*/

    Thread.sleep(1000);

    byte[] buf = new byte[128];
    DatagramPacket receive = new DatagramPacket(buf, buf.length, address, PORT);
    LOG.debug("+++ Receiving data +++");
    socket.receive(receive);

    socket.close();

    return new String(receive.getData(), 0, receive.getLength());
}

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From source file:org.dragonet.net.NetworkHandler.java

private void processPacket(DatagramPacket packet) {
    try {/*from w w w .j a v  a  2s.c  o  m*/
        PEBinaryReader reader = new PEBinaryReader(new ByteArrayInputStream(packet.getData()));
        int raknetPID = reader.readByte() & 0xFF;
        switch (raknetPID) {
        case RaknetConstants.ID_OPEN_CONNECTION_REQUEST_1:
            reader.read(16); //MAGIC
            reader.readByte(); //RakNet Protocol
            short mtu = (short) ((packet.getLength() - 18) & 0xFFFF);
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            PEBinaryWriter writer = new PEBinaryWriter(bos);
            writer.writeByte(RaknetConstants.ID_OPEN_CONNECTION_REPLY_1);
            writer.write(RaknetConstants.magic);
            writer.writeLong(NetworkHandler.serverID);
            writer.writeByte((byte) 0x00);
            writer.writeShort(mtu);
            this.udp.send(bos.toByteArray(), packet.getSocketAddress());
            break;
        case RaknetConstants.ID_OPEN_CONNECTION_REQUEST_2:
            reader.read(16);
            reader.read(5);
            reader.readShort();
            short clientMTU = reader.readShort();
            long clientID = reader.readLong();
            ByteArrayOutputStream bos8 = new ByteArrayOutputStream();
            PEBinaryWriter writer8 = new PEBinaryWriter(bos8);
            writer8.writeByte(RaknetConstants.ID_OPEN_CONNECTION_REPLY_2);
            writer8.write(RaknetConstants.magic);
            writer8.writeLong(NetworkHandler.serverID);
            writer8.writeShort((short) (packet.getPort() & 0xFFFF));
            writer8.writeShort(clientMTU);
            writer8.writeByte((byte) 0x00);
            this.send(bos8.toByteArray(), packet.getSocketAddress());
            DragonetSession session = new DragonetSession(this.server, packet.getSocketAddress(), clientID,
                    clientMTU);
            this.sessions.put(packet.getSocketAddress().toString(), session);
            //this.server.getServer().getSessionRegistry().add(session);
            break;
        case 0x80:
        case 0x81:
        case 0x82:
        case 0x83:
        case 0x84:
        case 0x85:
        case 0x86:
        case 0x87:
        case 0x88:
        case 0x89:
        case 0x8A:
        case 0x8B:
        case 0x8C:
        case 0x8D:
        case 0x8E:
        case 0x8F:
            if (this.sessions.containsKey(packet.getSocketAddress().toString())) {
                RaknetDataPacket dataPacket = new RaknetDataPacket(
                        ArrayUtils.subarray(packet.getData(), 1, packet.getLength()));
                dataPacket.decode();
                this.sessions.get(packet.getSocketAddress().toString()).processDataPacket(dataPacket);
            }
            break;
        }
    } catch (IOException e) {
    }
}

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