Package org.jgroups.protocols

Examples of org.jgroups.protocols.DISCARD$MyCheckBox

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        ch1.setReceiver(new MyReceiver(ch1_all_received, NUM_MSGS, "ch1"));
        ch2=createChannel(ch1);
        ch2.setReceiver(new MyReceiver(ch2_all_received, NUM_MSGS, "ch2"));

        if(discard) {
            DISCARD discard_prot=new DISCARD();
            Properties properties=new Properties();
            properties.setProperty("down", "0.1");

            ch1.getProtocolStack().insertProtocol(discard_prot, ProtocolStack.BELOW, MERGE3.class);
            discard_prot=new DISCARD();
            properties=new Properties();
            properties.setProperty("down", "0.1");
            ch2.getProtocolStack().insertProtocol(discard_prot, ProtocolStack.BELOW, MERGE3.class);
        }
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    void cleanup() {
        Util.close(c2, c1);
    }

    public void testLastMessageDropped() throws Exception {
        DISCARD discard=new DISCARD();
        ProtocolStack stack=c1.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK2.class);
        c1.setDiscardOwnMessages(true);

        Message m1=new Message(null, null, 1);
        Message m2=new Message(null, null, 2);
        Message m3=new Message(null, null, 3);

        MyReceiver receiver=new MyReceiver();
        c2.setReceiver(receiver);
        c1.send(m1);
        c1.send(m2);
        discard.setDropDownMulticasts(1); // drop the next multicast
        c1.send(m3);
        Util.sleep(100);

        List<Integer> list=receiver.getMsgs();
        for(int i=0; i < 20; i++)  {
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    /**
     * Tests sending 1, 2 (OOB) and 3, where they are received in the order 1, 3, 2. Message 3 should not get delivered
     * until message 4 is received (http://jira.jboss.com/jira/browse/JGRP-780)
     */
    public void testRegularAndOOBUnicasts() throws Exception {
        DISCARD discard=new DISCARD();
        ProtocolStack stack=a.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.BELOW,(Class<? extends Protocol>[])Util.getUnicastProtocols());

        Address dest=b.getAddress();
        Message m1=new Message(dest, 1);
        Message m2=new Message(dest, 2).setFlag(Message.Flag.OOB);
        Message m3=new Message(dest, 3);

        MyReceiver receiver=new MyReceiver("B");
        b.setReceiver(receiver);
        a.send(m1);
        discard.setDropDownUnicasts(1);
        a.send(m2);
        a.send(m3);

        Collection<Integer> list=receiver.getMsgs();
        int count=10;
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        assert list.size() == 3 : "list is " + list;
        assert list.contains(1) && list.contains(2) && list.contains(3);
    }

    public void testRegularAndOOBUnicasts2() throws Exception {
        DISCARD discard=new DISCARD();
        ProtocolStack stack=a.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.BELOW,(Class<? extends Protocol>[])Util.getUnicastProtocols());

        Address dest=b.getAddress();
        Message m1=new Message(dest, 1);
        Message m2=new Message(dest, 2).setFlag(Message.Flag.OOB);
        Message m3=new Message(dest, 3).setFlag(Message.Flag.OOB);
        Message m4=new Message(dest, 4);

        MyReceiver receiver=new MyReceiver("B");
        b.setReceiver(receiver);
        a.send(m1);

        discard.setDropDownUnicasts(2);
        a.send(m2); // dropped
        a.send(m3); // dropped
        a.send(m4);

        Collection<Integer> list=receiver.getMsgs();
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        assert list.size() == 4 : "list is " + list;
        assert list.contains(1) && list.contains(2) && list.contains(3) && list.contains(4);
    }

    public void testRegularAndOOBMulticasts() throws Exception {
        DISCARD discard=new DISCARD();
        ProtocolStack stack=a.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK2.class);
        a.setDiscardOwnMessages(true);

        Address dest=null; // send to all
        Message m1=new Message(dest, 1);
        Message m2=new Message(dest, 2).setFlag(Message.Flag.OOB);
        Message m3=new Message(dest, 3);

        MyReceiver receiver=new MyReceiver("B");
        b.setReceiver(receiver);
        a.send(m1);
        discard.setDropDownMulticasts(1);
        a.send(m2);
        a.send(m3);

        Util.sleep(500);
        Collection<Integer> list=receiver.getMsgs();
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    @Test(invocationCount=5)
    @SuppressWarnings("unchecked")
    public void testRandomRegularAndOOBMulticasts() throws Exception {
        DISCARD discard=new DISCARD();
        discard.setLocalAddress(a.getAddress());
        discard.setUpDiscardRate(0.5);
        ProtocolStack stack=a.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.ABOVE, TP.class);
        MyReceiver r1=new MyReceiver("A"), r2=new MyReceiver("B");
        a.setReceiver(r1);
        b.setReceiver(r2);
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    }


    private static void createPartitions(JChannel[] channels) throws Exception {
        for(JChannel ch: channels) {
            DISCARD discard=new DISCARD();
            discard.setDiscardAll(true);
            ch.getProtocolStack().insertProtocol(discard, ProtocolStack.ABOVE,TP.class);
        }

        for(JChannel ch: channels) {
            View view=View.create(ch.getAddress(), 10, ch.getAddress());
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   public static DISCARD getDiscardForCache(Cache<?, ?> c) throws Exception {
      JGroupsTransport jgt = (JGroupsTransport) TestingUtil.extractComponent(c, Transport.class);
      Channel ch = jgt.getChannel();
      ProtocolStack ps = ch.getProtocolStack();
      DISCARD discard = new DISCARD();
      ps.insertProtocol(discard, ProtocolStack.ABOVE, TP.class);
      return discard;
   }
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