Examples with DatagramSocket java.net.DatagramSocket used on opensource projects

Example 61 with DatagramSocket

use of java.net.DatagramSocket in project pinpoint by naver.

the class TestUDPReceiver method createSocket.

private DatagramSocket createSocket(int receiveBufferSize) {
    try {
        DatagramSocket socket = new DatagramSocket(null);
        socket.setReceiveBufferSize(receiveBufferSize);
        if (logger.isWarnEnabled()) {
            final int checkReceiveBufferSize = socket.getReceiveBufferSize();
            if (receiveBufferSize != checkReceiveBufferSize) {
                logger.warn("DatagramSocket.setReceiveBufferSize() error. {}!={}", receiveBufferSize, checkReceiveBufferSize);
            }
        }
        socket.setSoTimeout(1000 * 5);
        return socket;
    } catch (SocketException ex) {
        throw new RuntimeException("Socket create Fail. Caused:" + ex.getMessage(), ex);
    }
}

Example 62 with DatagramSocket

use of java.net.DatagramSocket in project pinpoint by naver.

the class UDPReceiverTest method socketBufferSize.

@Test
public void socketBufferSize() throws SocketException {
    DatagramSocket datagramSocket = new DatagramSocket();
    int receiveBufferSize = datagramSocket.getReceiveBufferSize();
    logger.debug("{}", receiveBufferSize);
    datagramSocket.setReceiveBufferSize(64 * 1024 * 10);
    logger.debug("{}", datagramSocket.getReceiveBufferSize());
    datagramSocket.close();
}

Example 63 with DatagramSocket

use of java.net.DatagramSocket in project pinpoint by naver.

the class UDPReceiverTest method sendSocketBufferSize.

@Test
public void sendSocketBufferSize() throws IOException {
    DatagramPacket datagramPacket = new DatagramPacket(new byte[0], 0, 0);
    DatagramSocket datagramSocket = new DatagramSocket();
    datagramSocket.connect(new InetSocketAddress("127.0.0.1", 9995));
    datagramSocket.send(datagramPacket);
    datagramSocket.close();
}

Example 64 with DatagramSocket

use of java.net.DatagramSocket in project openhab1-addons by openhab.

the class PifaceBinding method sendCommand.

private byte sendCommand(PifaceNode node, byte command, byte commandAck, int pinNumber, int pinValue, int attempt) throws ErrorResponseException {
    logger.debug("Sending command (" + command + ") to " + node.host + ":" + node.listenerPort + " for pin " + pinNumber + " (value=" + pinValue + ")");
    logger.debug("Attempt " + attempt + "...");
    DatagramSocket socket = null;
    try {
        socket = new DatagramSocket();
        socket.setSoTimeout(node.socketTimeout);
        InetAddress inetAddress = InetAddress.getByName(node.host);
        // send the packet
        byte[] sendData = new byte[] { command, (byte) pinNumber, (byte) pinValue };
        DatagramPacket sendPacket = new DatagramPacket(sendData, sendData.length, inetAddress, node.listenerPort);
        socket.send(sendPacket);
        // read the response
        byte[] receiveData = new byte[16];
        DatagramPacket receivePacket = new DatagramPacket(receiveData, receiveData.length);
        socket.receive(receivePacket);
        // check the response is valid
        if (receiveData[0] == PifaceCommand.ERROR_ACK.toByte()) {
            String msg = "Error 'ack' received";
            logger.error(msg);
            throw new ErrorResponseException(msg);
        }
        if (receiveData[0] != commandAck) {
            String msg = "Unexpected 'ack' code received - expecting " + commandAck + " but got " + receiveData[0];
            logger.error(msg);
            throw new ErrorResponseException(msg);
        }
        if (receiveData[1] != pinNumber) {
            String msg = "Invalid pin received - expecting " + pinNumber + " but got " + receiveData[1];
            logger.error(msg);
            throw new ErrorResponseException(msg);
        }
        // return the data value
        logger.debug("Command successfully sent and acknowledged (returned " + receiveData[2] + ")");
        return receiveData[2];
    } catch (IOException e) {
        String msg = "Failed to send command (" + command + ") to " + node.host + ":" + node.listenerPort + " (attempt " + attempt + ")";
        logger.error(msg, e);
        throw new ErrorResponseException(msg);
    } finally {
        if (socket != null) {
            socket.close();
        }
    }
}

Example 65 with DatagramSocket

use of java.net.DatagramSocket in project openhab1-addons by openhab.

the class MilightBinding method sendMessage.

protected void sendMessage(String messageBytes, String bridgeId) {
    String bridgeIp = bridgeIpConfig.get(bridgeId);
    Integer bridgePort = bridgePortConfig.get(bridgeId);
    if (bridgePort == null) {
        bridgePort = DEFAULT_PORT;
    }
    try {
        byte[] buffer = getMessageBytes(messageBytes);
        InetAddress IPAddress = InetAddress.getByName(bridgeIp);
        DatagramPacket packet = new DatagramPacket(buffer, buffer.length, IPAddress, bridgePort);
        DatagramSocket datagramSocket = new DatagramSocket();
        datagramSocket.send(packet);
        datagramSocket.close();
        logger.debug("Sent packet '{}' to bridge '{}' ({}:{})", new Object[] { messageBytes, bridgeId, bridgeIp, bridgePort });
    } catch (Exception e) {
        logger.error("Failed to send Message to '{}': ", new Object[] { bridgeIp, e.getMessage() });
    }
}