Examples with DatagramChannel java.nio.channels.DatagramChannel used on opensource projects

Example 26 with DatagramChannel

use of java.nio.channels.DatagramChannel in project smarthome by eclipse.

the class LifxSelectorUtil method openBroadcastChannel.

@Nullable
public static SelectionKey openBroadcastChannel(@Nullable Selector selector, String logId, int broadcastPort) throws IOException {
    if (selector == null) {
        return null;
    }
    DatagramChannel broadcastChannel = DatagramChannel.open(StandardProtocolFamily.INET).setOption(StandardSocketOptions.SO_REUSEADDR, true).setOption(StandardSocketOptions.SO_BROADCAST, true);
    broadcastChannel.configureBlocking(false);
    LOGGER.debug("{} : Binding the broadcast channel on port {}", logId, broadcastPort);
    broadcastChannel.bind(new InetSocketAddress(broadcastPort));
    return broadcastChannel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE);
}

Example 27 with DatagramChannel

use of java.nio.channels.DatagramChannel in project jmeter-plugins by undera.

the class DatagramChannelWithTimeoutsTest method testOpen.

/**
 * Test of open method, of class DatagramChannelWithTimeouts.
 */
@Test
public void testOpen() throws Exception {
    System.out.println("open");
    DatagramChannel result = DatagramChannelWithTimeoutsEmul.open();
    Assert.assertNotNull(result);
}

Example 28 with DatagramChannel

use of java.nio.channels.DatagramChannel in project jmeter-plugins by undera.

the class DatagramChannelWithTimeoutsTest method testConnect.

/**
 * Test of connect method, of class DatagramChannelWithTimeouts.
 */
@Test
public void testConnect() throws Exception {
    System.out.println("connect");
    SocketAddress remote = new InetSocketAddress("localhost", 123);
    DatagramChannel result = instance.connect(remote);
    Assert.assertNotNull(result);
}

Example 29 with DatagramChannel

use of java.nio.channels.DatagramChannel in project fluency by komamitsu.

the class UDPHeartbeaterTest method testUDPHeartbeaterDown.

@Test
public void testUDPHeartbeaterDown() throws IOException, InterruptedException {
    final DatagramChannel datagramChannel = DatagramChannel.open();
    datagramChannel.socket().bind(null);
    int localPort = datagramChannel.socket().getLocalPort();
    datagramChannel.close();
    UDPHeartbeater.Config config = new UDPHeartbeater.Config().setPort(localPort).setIntervalMillis(500);
    UDPHeartbeater heartbeater = null;
    try {
        final AtomicInteger pongCounter = new AtomicInteger();
        heartbeater = config.createInstance();
        heartbeater.setCallback(new Heartbeater.Callback() {

            @Override
            public void onHeartbeat() {
                pongCounter.incrementAndGet();
            }

            @Override
            public void onFailure(Throwable cause) {
            }
        });
        heartbeater.start();
        TimeUnit.SECONDS.sleep(1);
        assertEquals(0, pongCounter.get());
    } finally {
        if (heartbeater != null) {
            heartbeater.close();
        }
    }
}

Example 30 with DatagramChannel

use of java.nio.channels.DatagramChannel in project fluency by komamitsu.

the class UDPHeartbeater method invoke.

@Override
protected void invoke() throws IOException {
    DatagramChannel datagramChannel = null;
    try {
        datagramChannel = DatagramChannel.open();
        ByteBuffer byteBuffer = ByteBuffer.allocate(0);
        datagramChannel.send(byteBuffer, socketAddress);
        datagramChannel.receive(byteBuffer);
        pong();
    } finally {
        if (datagramChannel != null) {
            datagramChannel.close();
        }
    }
}