Package org.jgroups.protocols.pbcast

Examples of org.jgroups.protocols.pbcast.GMS

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          new SHARED_LOOPBACK_PING().timeout(1000),
          new NAKACK2(),
          new MAKE_BATCH().sleepTime(100).unicasts(use_batching),
          new UNICAST3(),
          new STABLE(),
          new GMS(),
          new FRAG2().fragSize(8000),
        };
        return new JChannel(protocols).name(name);
    }
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        MergeId busy_merge_id=MergeId.create(a.getAddress());
        setMergeIdIn(busy_first, busy_merge_id);
        setMergeIdIn(busy_second, busy_merge_id);
        for(JChannel ch: new JChannel[]{a,b,c,d,e,f}) { // excluding faulty member, as it still discards messages
            assert ch.getView().size() == 3;
            GMS gms=(GMS)ch.getProtocolStack().findProtocol(GMS.class);
            gms.setJoinTimeout(3000);
            DISCARD discard=(DISCARD)ch.getProtocolStack().findProtocol(DISCARD.class);
            discard.setDiscardAll(false);
        }

        System.out.println("Injecting MERGE event into merge leader " + merge_leader.getAddress());
        Map<Address,View> merge_views=new HashMap<Address,View>(6);
        merge_views.put(first_coord, findChannel(first_coord).getView());
        merge_views.put(second_coord, findChannel(second_coord).getView());

        GMS gms=(GMS)merge_leader.getProtocolStack().findProtocol(GMS.class);
        gms.up(new Event(Event.MERGE, merge_views));

        for(int i=0; i < 20; i++) {
            boolean done=true;
            System.out.println();
            for(JChannel ch: new JChannel[]{a,b,c,d,e,f}) {
                System.out.println("==> " + ch.getAddress() + ": " + ch.getView());
                Address addr=ch.getAddress();
                if(addr.equals(busy_first) || addr.equals(busy_second)) {
                    if(ch.getView().size() != 3)
                        done=false;
                }
                else {
                    if(ch.getView().size()  != 4)
                        done=false;
                }
            }
           
            if(done)
                break;
            Util.sleep(1000);
        }
        for(JChannel ch: new JChannel[]{a,b,c,d,e,f}) {
            if(ch.getAddress().equals(busy_first) || ch.getAddress().equals(busy_second))
                assert ch.getView().size() == 3;
            else
                assert ch.getView().size() == 4 : ch.getAddress() + "'s view: " + ch.getView();
        }



        System.out.println("\n************************ Now merging the entire cluster ****************");
        cancelMerge(busy_first);
        cancelMerge(busy_second);

        System.out.println("Injecting MERGE event into merge leader " + merge_leader.getAddress());
        merge_views=new HashMap<Address,View>(6);
        merge_views.put(merge_leader.getAddress(), merge_leader.getView());
        merge_views.put(busy_first, findChannel(busy_first).getView());
        merge_views.put(busy_second, findChannel(busy_second).getView());

        System.out.println("merge event is " + merge_views);

        gms=(GMS)merge_leader.getProtocolStack().findProtocol(GMS.class);
        gms.up(new Event(Event.MERGE, merge_views));

        for(int i=0; i < 20; i++) {
            boolean done=true;
            System.out.println();
            for(JChannel ch: new JChannel[]{a,b,c,d,e,f}) {
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                                     new SHARED_LOOPBACK_PING(),
                                     new NAKACK2().setValue("use_mcast_xmit",false)
                                       .setValue("log_discard_msgs",false).setValue("log_not_found_msgs",false),
                                     new UNICAST3(),
                                     new STABLE().setValue("max_bytes",50000),
                                     new GMS().setValue("print_local_addr",false)
                                       .setValue("join_timeout", 1)
                                       .setValue("leave_timeout",100)
                                       .setValue("merge_timeout",5000)
                                       .setValue("log_view_warnings",false)
                                       .setValue("view_ack_collection_timeout",50)
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        JmxConfigurator.registerChannel(retval, Util.getMBeanServer(), name, retval.getClusterName(), true);
        return retval;
    }

    protected void setMergeIdIn(Address mbr, MergeId busy_merge_id) {
        GMS gms=(GMS)findChannel(mbr).getProtocolStack().findProtocol(GMS.class);
        gms.getMerger().setMergeId(null, busy_merge_id);
    }
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        GMS gms=(GMS)findChannel(mbr).getProtocolStack().findProtocol(GMS.class);
        gms.getMerger().setMergeId(null, busy_merge_id);
    }

    protected void cancelMerge(Address mbr) {
        GMS gms=(GMS)findChannel(mbr).getProtocolStack().findProtocol(GMS.class);
        gms.cancelMerge();
    }
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        for(JChannel ch: channels) {
            NAKACK2 nakack=(NAKACK2)ch.getProtocolStack().findProtocol(NAKACK2.class);
            digest.merge(nakack.getDigest(ch.getAddress()));
        }
        for(JChannel ch: channels) {
            GMS gms=(GMS)ch.getProtocolStack().findProtocol(GMS.class);
            gms.installView(view, digest);
        }
    }
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                                             .setValue("xmit_table_msgs_per_row",10),
                                           new UNICAST3().setValue("xmit_table_num_rows",5)
                                             .setValue("xmit_table_msgs_per_row",10)
                                             .setValue("conn_expiry_timeout", 10000),
                                           new STABLE().setValue("max_bytes",500000),
                                           new GMS().setValue("print_local_addr",false)
                                             .setValue("join_timeout", 1)
                                             .setValue("leave_timeout",100)
                                             .setValue("log_view_warnings",false)
                                             .setValue("view_ack_collection_timeout",2000)
                                             .setValue("log_collect_msgs",false));
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        for(JChannel ch:  channels) {
            MERGE3 merge3=(MERGE3)ch.getProtocolStack().findProtocol(MERGE3.class);
            if(merge3 != null && merge3.isMergeTaskRunning())
                merge_task_running++;

            GMS gms=(GMS)ch.getProtocolStack().findProtocol(GMS.class);
            if(gms.isMergeKillerRunning())
                merge_canceller_running++;
            if(gms.isMergeInProgress())
                merge_in_progress++;
            if(gms.isMergeTaskRunning())
                gms_merge_task_running++;
        }
        sb.append("merge tasks running: " + merge_task_running).append("\n");
        sb.append("merge killers running: " + merge_canceller_running).append("\n");
        sb.append("merge in progress: " + merge_in_progress).append("\n");
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          new SHARED_LOOPBACK(),
          new SHARED_LOOPBACK_PING().timeout(1000),
          new NAKACK2(),
          new UNICAST3(),
          new STABLE(),
          new GMS().joinTimeout(1000),
          new FRAG2().fragSize(8000)
        };

        if(additional_protocols == null)
            return protocols;
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            ViewId new_vid=new ViewId(ch.getAddress(),vid.getId() + 1);
            View new_view=new View(new_vid,members);

            // inject view in which the shut down member is the only element
            GMS gms=(GMS)stack.findProtocol(GMS.class);
            gms.installView(new_view);
        }
        Util.close(ch);
    }
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  • org.jgroups.demos.ProgrammaticChat
  • org.jgroups.protocols.FlowControlUnitTest
  • org.jgroups.protocols.FORWARD_TO_COORD_Test
  • org.jgroups.protocols.GMS_MergeTest
  • org.jgroups.protocols.pbcast.GmsImpl.Request
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