Examples of org.jgroups.stack.ProtocolStack

org.jgroups.stack.ProtocolStack
A ProtocolStack manages a number of protocols layered above each other. It creates all protocol classes, initializes them and, when ready, starts all of them, beginning with the bottom most protocol. It also dispatches messages received from the stack to registered objects (e.g. channel, GMP) and sends messages sent by those objects down the stack.
The ProtocolStack makes use of the Configurator to setup and initialize stacks, and to destroy them again when not needed anymore @author Bela Ban

        transport.setLoopback(b);
    }




    private static void setBundling(JChannel ch, boolean enabled, int max_bytes, long timeout) {
        ProtocolStack stack=ch.getProtocolStack();
        List<Protocol> prots=stack.getProtocols();
        TP transport=(TP)prots.get(prots.size() -1);
        transport.setEnableBundling(enabled);
        if(enabled) {
            transport.setMaxBundleSize(max_bytes);
            transport.setMaxBundleTimeout(timeout);
        }
        transport.setEnableUnicastBundling(false);
        if(enabled) {
            GMS gms=(GMS)stack.findProtocol("GMS");
            gms.setViewAckCollectionTimeout(LATENCY * 2);
            gms.setJoinTimeout(LATENCY * 2);
        }
    }

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  List<String> order = new LinkedList<String>() ;


  @BeforeMethod
  void setUp() {
    stack=new ProtocolStack();
  }

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            }
            else {
                tmp=createChannel(ch);
            }
            tmp.setName(members[i]);
            ProtocolStack stack=tmp.getProtocolStack();


            NAKACK nakack=(NAKACK)stack.findProtocol(NAKACK.class);
            if(nakack != null)
                nakack.setLogDiscardMessages(false);


            stack.removeProtocol(MERGE2.class, MERGE3.class, MERGEFAST.class);


            tmp.connect(cluster_name);
            retval[i]=tmp;
        }

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        assert msg.getObject().equals("payload");
    }




    private static void changeProps(Channel ch) {
        ProtocolStack stack=ch.getProtocolStack();
        TP transport=stack.getTransport();
        transport.setLogDiscardMessages(false);
    }

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    }


    public void testChannelCreation() throws Exception {
        MyReceiver receiver=new MyReceiver(null);
        c1.setReceiver(receiver);
        ProtocolStack stack=new ProtocolStack();
        c1.setProtocolStack(stack);
        stack.addProtocol(new SHARED_LOOPBACK()).addProtocol(new MockProtocol1()).addProtocol(new MockProtocol2());
        stack.init();
        c1.connect("demo");


        Protocol transport=stack.getTransport();
        transport.up(new Event(Event.MSG, new Message(null, Util.createRandomAddress(), "hello world")));
        assert receiver.getNumMsgsReceived() == 1;
    }

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        assert receiver.getNumMsgsReceived() == 1;
    }




    public void testSharedTransport() throws Exception {
        ProtocolStack stack1=new ProtocolStack(), stack2=new ProtocolStack();
        c1.setProtocolStack(stack1);
        c2.setProtocolStack(stack2);


        MyReceiver receiver1=new MyReceiver("A"), receiver2=new MyReceiver("B");


        UDP shared_transport=(UDP)new UDP().setValue("singleton_name", "shared");


        stack1.addProtocol(shared_transport).addProtocols(createProtocols());
        stack2.addProtocol(shared_transport).addProtocols(createProtocols());


        stack1.init();
        stack2.init();


        c1.setReceiver(receiver1);
        c2.setReceiver(receiver2);


        c1.connect("cluster-one");

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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=c1.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.BELOW, UNICAST.class, UNICAST2.class);


        Address dest=c2.getAddress();
        Message m1=new Message(dest, null, 1);
        Message m2=new Message(dest, null, 2);
        m2.setFlag(Message.OOB);

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        assert list.contains(1) && list.contains(2) && list.contains(3);
    }


    public void testRegularAndOOBUnicasts2() throws Exception {
        DISCARD discard=new DISCARD();
        ProtocolStack stack=c1.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.BELOW, UNICAST.class, UNICAST2.class);


        Address dest=c2.getAddress();
        Message m1=new Message(dest, null, 1);
        Message m2=new Message(dest, null, 2);
        m2.setFlag(Message.OOB);

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        assert list.contains(1) && list.contains(2) && list.contains(3) && list.contains(4);
    }


    public void testRegularAndOOBMulticasts() throws Exception {
        DISCARD discard=new DISCARD();
        ProtocolStack stack=c1.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK.class);
        c1.setOpt(Channel.LOCAL, false);


        Address dest=null; // send to all
        Message m1=new Message(dest, null, 1);
        Message m2=new Message(dest, null, 2);

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    @SuppressWarnings("unchecked")
    public void testRandomRegularAndOOBMulticasts() throws Exception {
        DISCARD discard=new DISCARD();
        discard.setLocalAddress(c1.getAddress());
        discard.setDownDiscardRate(0.5);
        ProtocolStack stack=c1.getProtocolStack();
        stack.insertProtocol(discard, ProtocolStack.BELOW, NAKACK.class);
        MyReceiver r1=new MyReceiver("C1"), r2=new MyReceiver("C2");
        c1.setReceiver(r1);
        c2.setReceiver(r2);
        final int NUM_MSGS=20;
        final int NUM_THREADS=10;


        send(null, NUM_MSGS, NUM_THREADS, 0.5); // send on random channel (c1 or c2)
        
        Collection<Integer> one=r1.getMsgs(), two=r2.getMsgs();
        for(int i=0; i < 10; i++) {
            if(one.size() == NUM_MSGS && two.size() == NUM_MSGS)
                break;
            log.info("one size " + one.size() + ", two size " + two.size());
            Util.sleep(1000);
            sendStableMessages(c1,c2);
        }
        log.info("one size " + one.size() + ", two size " + two.size());


        stack.removeProtocol("DISCARD");


        for(int i=0; i < 5; i++) {
            if(one.size() == NUM_MSGS && two.size() == NUM_MSGS)
                break;
            sendStableMessages(c1,c2);

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