Package org.jgroups.protocols.pbcast

Examples of org.jgroups.protocols.pbcast.NakAckHeader

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    private static void addHeaders(Message msg) {      
        TpHeader tp_hdr=new TpHeader("DemoChannel2");
        msg.putHeader(UDP_ID, tp_hdr);
        PingHeader ping_hdr=new PingHeader(PingHeader.GET_MBRS_REQ, "demo-cluster");
        msg.putHeader(PING_ID, ping_hdr);
        NakAckHeader nak_hdr=NakAckHeader.createXmitRequestHeader(100, 104, null);
        msg.putHeader(NAKACK_ID, nak_hdr);
    }
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        nak.setUpProtocol(new Protocol() {
            public Object up(Event evt) {
                if(evt.getType() == Event.MSG) {
                    delivered_msgs.incrementAndGet();
                    NakAckHeader hdr=(NakAckHeader)((Message)evt.getArg()).getHeader(NAKACK_ID);
                    if(hdr != null)
                        delivered_msg_list.add(hdr.getSeqno());

                    if(delivered_msgs.get() >= num_msgs) {
                        lock.lock();
                        try {
                            all_msgs_delivered.signalAll();
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        System.out.println("OK");
    }

    private static Message createMessage(Address dest, Address src, long seqno, boolean oob) {
        Message msg=new Message(dest, src, "hello world");
        NakAckHeader hdr=NakAckHeader.createMessageHeader(seqno) ;
        msg.putHeader(NAKACK_ID, hdr);
        if(oob)
            msg.setFlag(Message.OOB);
        return msg;
    }
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            for(int i=1; i <= num; i++)
                add(i);
        }

        protected void add(long seqno) {
            NakAckHeader hdr=NakAckHeader.createMessageHeader(seqno);
            Message msg=new Message(null, sender, "hello");
            msg.putHeader(NAKACK_ID, hdr);
            boolean added=win.add(seqno, msg);

            if(added) {
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        Message msg=new Message(null, new IpAddress("127.0.0.1", 4444), "Bela");
        long    size=Util.sizeOf(msg);
        System.out.println("size=" + msg.size() + ", streamable size=" + size);

        msg.putHeader("belaban", new NakAckHeader((byte)1, 23, 34));
        size=Util.sizeOf(msg);
        System.out.println("size=" + msg.size() + ", streamable size=" + size);

        msg.putHeader("bla", new UdpHeader("groupname"));
        size=Util.sizeOf(msg);
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        PingRsp rsp=new PingRsp(self, self, true);
        _testSize(new PingHeader(PingHeader.GET_MBRS_RSP, rsp));
    }

    public void testNakackHeader() throws Exception {
        _testSize(new NakAckHeader(NakAckHeader.MSG, 322649));
        _testSize(new NakAckHeader(NakAckHeader.XMIT_REQ, 100, 104, new IpAddress("127.0.0.1", 5655)));
        _testSize(new NakAckHeader(NakAckHeader.XMIT_RSP, 100, 104, new IpAddress("127.0.0.1", 5655)));
        _testSize(new NakAckHeader(NakAckHeader.XMIT_RSP, 322649));
    }
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        msg.putHeader("UDP", udp_hdr);
        TpHeader tp_hdr=new TpHeader("DemoChannel2");
        msg.putHeader("TP", tp_hdr);
        PingHeader ping_hdr=new PingHeader(PingHeader.GET_MBRS_REQ, null);
        msg.putHeader("PING", ping_hdr);
        NakAckHeader nak_hdr=new NakAckHeader(NakAckHeader.XMIT_REQ, 100, 104);
        msg.putHeader("NAKACK", nak_hdr);
    }
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        Message msg=new Message(null, new IpAddress("127.0.0.1", 4444), "Bela");
        int size=Util.sizeOf(msg);
        System.out.println("size=" + msg.size() + ", streamable size=" + size);

        msg.putHeader("belaban", new NakAckHeader((byte)1, 23, 34));
        size=Util.sizeOf(msg);
        System.out.println("size=" + msg.size() + ", streamable size=" + size);

        msg.putHeader("bla", new UdpHeader("groupname"));
        size=Util.sizeOf(msg);
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    void start(String props, int num_msgs, int size) throws Exception {
        Message msg;
        Protocol transport;
        byte[] buf=new byte[size];
        Address local_addr;
        NakAckHeader hdr;

        ch=new JChannel(props);
        ch.connect("demo");
        local_addr=ch.getLocalAddress();
        Vector members=new Vector();
        members.add(local_addr);
        view=new View(local_addr, 0, members);
        ch.down(new Event(Event.BECOME_SERVER));
        ch.down(new Event(Event.VIEW_CHANGE, view));
        tp=PERF_TP.getInstance();

        Vector protocols=ch.getProtocolStack().getProtocols();
        transport=(Protocol)protocols.lastElement();


        System.out.println("sending " + num_msgs + " up the stack");

        tp.setExpectedMessages(num_msgs); // this starts the time
        for(int i=0; i < num_msgs; i++) {
            msg=new Message(null, local_addr, buf);
            hdr=new NakAckHeader(NakAckHeader.MSG, i);
            msg.putHeader("NAKACK", hdr);
            transport.up(new Event(Event.MSG, msg));
            if(i % 10000 == 0) {
                System.out.println("passed up " + i + " messages");
            }
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        Message msg=new Message(null, new IpAddress("127.0.0.1", 4444), "Bela");
        int size=Util.sizeOf(msg);
        System.out.println("size=" + msg.size() + ", streamable size=" + size);

        msg.putHeader("belaban", new NakAckHeader((byte)1, 23, 34));
        size=Util.sizeOf(msg);
        System.out.println("size=" + msg.size() + ", streamable size=" + size);

        msg.putHeader("bla", new UdpHeader("groupname"));
        size=Util.sizeOf(msg);
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Related Classes of org.jgroups.protocols.pbcast.NakAckHeader

  • org.jgroups.protocols.NAKACK_StressTest
  • org.jgroups.tests.MessageTest
  • org.jgroups.tests.NAKACK_REBROADCAST_Test$MessageInterceptor
  • org.jgroups.tests.NakReceiverWindowTest2$Sender
  • org.jgroups.tests.SimplePerfTest
  • org.jgroups.tests.SizeTest
  • org.jgroups.util.Range
  • org.jgroups.util.Util
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