Examples with ByteArray org.jgroups.util.ByteArray used on opensource projects

Example 11 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class DynamicDiscardTest method testLeaveDuringSend.

public void testLeaveDuringSend() throws Exception {
    final JChannel[] channels = new JChannel[NUM];
    final MessageDispatcher[] dispatchers = new MessageDispatcher[NUM];
    for (int i = 0; i < NUM; i++) {
        channels[i] = new JChannel(new SHARED_LOOPBACK(), new SHARED_LOOPBACK_PING(), new MERGE3(), new FD_ALL3().setTimeout(1000).setInterval(300), new NAKACK2(), new UNICAST3(), new STABLE(), new GMS(), new RSVP().ackOnDelivery(false).throwExceptionOnTimeout(false));
        channels[i].setName(Character.toString((char) ('A' + i)));
        channels[i].setDiscardOwnMessages(true);
        dispatchers[i] = new MessageDispatcher(channels[i], new MyRequestHandler());
        dispatchers[i].setReceiver(new MyMembershipListener(channels[i]));
        channels[i].connect("DynamicDiscardTest");
        System.out.print(i + 1 + " ");
    }
    Util.waitUntilAllChannelsHaveSameView(10000, 1000, channels);
    // discard all messages (except those to self)
    DISCARD discard = new DISCARD().discardAll(true);
    channels[0].getProtocolStack().insertProtocol(discard, ProtocolStack.Position.ABOVE, TP.class);
    // send a RSVP message
    byte[] data = "message2".getBytes();
    ByteArray buf = new ByteArray(data, 0, data.length);
    RspList<Object> rsps = dispatchers[0].castMessage(null, new BytesMessage(null, buf), RequestOptions.SYNC().timeout(5000).flags(Message.Flag.RSVP, Message.Flag.OOB));
    Rsp<Object> objectRsp = rsps.get(channels[1].getAddress());
    assertFalse(objectRsp.wasReceived());
    assertTrue(objectRsp.wasSuspected());
}

Example 12 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class ByteArrayTest method testGetBytes.

public void testGetBytes() {
    ByteArray ba = new ByteArray(HELLO);
    byte[] bytes = ba.getBytes();
    assert Arrays.equals(bytes, HELLO);
    // same memory location
    assert HELLO.hashCode() == bytes.hashCode();
    ba = new ByteArray(HELLO, 0, 5);
    bytes = ba.getBytes();
    assert HELLO.hashCode() != bytes.hashCode();
    assert new String(bytes).equals("hello");
    ba = new ByteArray(HELLO, 6, 5);
    bytes = ba.getBytes();
    assert HELLO.hashCode() != bytes.hashCode();
    assert new String(bytes).equals("world");
}

Example 13 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class SERIALIZE method down.

public Object down(Message msg) {
    if (msg.getSrc() == null)
        msg.setSrc(local_addr);
    ByteArray serialized_msg = null;
    try {
        serialized_msg = Util.messageToBuffer(msg);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    // exclude existing headers, they will be seen again when we unmarshal the message at the receiver
    Message tmp = new BytesMessage(msg.dest(), serialized_msg).setFlag(msg.getFlags(), false);
    GMS.GmsHeader hdr = msg.getHeader(GMS_ID);
    if (hdr != null)
        tmp.putHeader(GMS_ID, hdr);
    return down_prot.down(tmp);
}

Example 14 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class MessageDispatcherRSVPTest method testCancellationByClosing.

protected void testCancellationByClosing(boolean unicast, Thread closer) throws Exception {
    DISCARD discard = channels[0].getProtocolStack().findProtocol(DISCARD.class);
    discard.discardAll(true);
    try {
        Address target = unicast ? channels[1].getAddress() : null;
        byte[] data = "bla".getBytes();
        ByteArray buf = new ByteArray(data, 0, data.length);
        Message msg = new BytesMessage(target, "bla");
        msg.setFlag(Message.Flag.RSVP);
        closer.start();
        if (unicast) {
            System.out.println("sending unicast message to " + target);
            dispatchers[0].sendMessage(new BytesMessage(target, buf), RequestOptions.SYNC().flags(Message.Flag.RSVP));
            assert false : "sending the message on a closed channel should have thrown an exception";
        } else {
            System.out.println("sending multicast message");
            Address dst = channels[1].getAddress();
            RspList<Object> rsps = dispatchers[0].castMessage(Collections.singleton(dst), new BytesMessage(dst, buf), RequestOptions.SYNC());
            System.out.println("rsps = " + rsps);
            assert rsps.size() == 1;
            Rsp<Object> rsp = rsps.iterator().next();
            System.out.println("rsp = " + rsp);
            assert rsp.hasException();
            Throwable ex = rsp.getException();
            assert ex instanceof IllegalStateException;
        }
    } catch (IllegalStateException t) {
        System.out.println("received \"" + t + "\" as expected");
    }
}

Example 15 with ByteArray

use of org.jgroups.util.ByteArray in project JGroups by belaban.

the class MessageDispatcherRSVPTest method sendMessageOnClosedChannel.

protected void sendMessageOnClosedChannel(Address dest, Message.Flag... flags) throws Exception {
    RequestOptions opts = RequestOptions.SYNC().timeout(2000).flags(flags);
    byte[] data = "bla".getBytes();
    ByteArray buf = new ByteArray(data, 0, data.length);
    channels[0].close();
    try {
        if (dest == null) {
            // multicast
            Address dst = channels[1].getAddress();
            dispatchers[0].castMessage(Collections.singleton(dst), new BytesMessage(dst, buf), opts);
        } else
            dispatchers[0].sendMessage(new BytesMessage(dest, buf), opts);
        assert false : "sending the message on a closed channel should have thrown an exception";
    } catch (IllegalStateException t) {
        System.out.println("received \"" + t + "\" as expected");
    }
}