Examples with BytesMessage org.jgroups.BytesMessage used on opensource projects

Example 6 with BytesMessage

use of org.jgroups.BytesMessage in project JGroups by belaban.

the class MessageBeforeConnectedTestHelper method sendUnicast.

/**
 * Sends a unicast message up UNICAST2. Do *NOT* make this method static, or Byteman will not find it!
 */
public void sendUnicast(JChannel ch) throws Exception {
    final Message msg = new BytesMessage(ch.getAddress(), "hello-1").setSrc(ch.getAddress());
    // Add a UNICAST2 header
    final UNICAST3 unicast = ch.getProtocolStack().findProtocol(UNICAST3.class);
    UnicastHeader3 hdr = UnicastHeader3.createDataHeader(1, (short) 1, true);
    msg.putHeader(unicast.getId(), hdr);
    new Thread(() -> unicast.down(msg)).start();
}

Example 7 with BytesMessage

use of org.jgroups.BytesMessage in project JGroups by belaban.

the class BPING method run.

public void run() {
    final byte[] receive_buf = new byte[65535];
    DatagramPacket packet = new DatagramPacket(receive_buf, receive_buf.length);
    DataInput inp;
    while (sock != null && Thread.currentThread().equals(receiver)) {
        packet.setData(receive_buf, 0, receive_buf.length);
        try {
            sock.receive(packet);
            inp = new ByteArrayDataInputStream(packet.getData(), packet.getOffset(), packet.getLength());
            Message msg = new BytesMessage();
            msg.readFrom(inp);
            up(msg);
        } catch (SocketException socketEx) {
            break;
        } catch (Throwable ex) {
            log.error(Util.getMessage("FailedReceivingPacketFrom"), packet.getSocketAddress(), ex);
        }
    }
    if (log.isTraceEnabled())
        log.trace("receiver thread terminated");
}

Example 8 with BytesMessage

use of org.jgroups.BytesMessage in project JGroups by belaban.

the class COMPRESS_Test method testSimpleCompression.

public void testSimpleCompression() throws Exception {
    a = create("A").connect(COMPRESS_Test.class.getSimpleName());
    b = create("B").connect(COMPRESS_Test.class.getSimpleName());
    Util.waitUntilAllChannelsHaveSameView(10000, 500, a, b);
    a.setReceiver(r1);
    b.setReceiver(r2);
    byte[] array = Util.generateArray(100);
    a.send(new BytesMessage(b.getAddress(), array));
    Util.waitUntil(10000, 500, () -> r2.size() > 0);
    Message msg = r2.list().get(0);
    assert msg.hasPayload() && msg.getLength() == array.length;
    Util.verifyArray(msg.getArray());
}

Example 9 with BytesMessage

use of org.jgroups.BytesMessage in project JGroups by belaban.

the class MessageDispatcherUnitTest method sendMessageToBothChannels.

private void sendMessageToBothChannels(int size) throws Exception {
    long start, stop;
    da.setRequestHandler(new MyHandler(new byte[size]));
    b = createChannel();
    b.setName("B");
    db = new MessageDispatcher(b, new MyHandler(new byte[size]));
    b.connect("MessageDispatcherUnitTest");
    assert 2 == b.getView().size();
    System.out.println("casting message");
    start = System.currentTimeMillis();
    // RspList<Object> rsps=d1.castMessage(null, buf, new RequestOptions(ResponseMode.GET_ALL, 0));
    RspList<Object> rsps = da.castMessage(null, new BytesMessage(null, buf), new RequestOptions(ResponseMode.GET_ALL, 0));
    stop = System.currentTimeMillis();
    System.out.println("rsps:\n" + rsps);
    System.out.println("call took " + (stop - start) + " ms");
    assert rsps != null;
    Assert.assertEquals(2, rsps.size());
    Rsp rsp = rsps.get(a.getAddress());
    assert rsp != null;
    byte[] ret = (byte[]) rsp.getValue();
    Assert.assertEquals(size, ret.length);
    rsp = rsps.get(b.getAddress());
    assert rsp != null;
    ret = (byte[]) rsp.getValue();
    Assert.assertEquals(size, ret.length);
    Util.close(b);
}

Example 10 with BytesMessage

use of org.jgroups.BytesMessage in project JGroups by belaban.

the class MessageDispatcherUnitTest method testBlockingSecondMember.

/**
 * In this scenario we block the second member so to verify the sender actually waits;
 * this won't trigger a timeout but will produce a response having "received=false".
 * It's hard to otherwise make sure casting isn't being done asynchronously.
 */
public void testBlockingSecondMember() throws Exception {
    RequestOptions requestOptions = RequestOptions.SYNC().exclusionList(// redundant - simplifies debugging
    a.getAddress()).setMode(// redundant - implied by SYNC()
    ResponseMode.GET_ALL).setTransientFlags(// redundant - self is excluded
    Message.TransientFlag.DONT_LOOPBACK).setTimeout(// Speed up the test execution
    1000);
    b = createChannel().name("B");
    BlockableRequestHandler blockableHandler = new BlockableRequestHandler();
    db = new MessageDispatcher(b).setRequestHandler(blockableHandler);
    b.connect("MessageDispatcherUnitTest");
    assert 2 == b.getView().size();
    blockableHandler.installThreadTrap();
    try {
        RspList<Object> rsps = da.castMessage(null, new BytesMessage(null, buf), requestOptions);
        System.out.printf("responses: %s\n", rsps);
        assert 1 == rsps.size();
        Rsp rsp = rsps.get(b.getAddress());
        assert rsp != null;
        assert !rsp.wasReceived();
        assert !rsp.wasSuspected();
    } catch (Exception e) {
        Assert.fail("exception returned by castMessage", e);
    } finally {
        blockableHandler.releaseBlockedThreads();
    }
    assert blockableHandler.receivedAnything();
}