How to use

org.jgroups.protocols.TpHeader

constructor

public static List<Message> readMessageList(DataInput in, short transport_id) throws Exception {
  List<Message> list=new LinkedList<>();
  Address dest=Util.readAddress(in);
  Address src=Util.readAddress(in);
  // AsciiString cluster_name=Bits.readAsciiString(in); // not used here
  short length=in.readShort();
  byte[] cluster_name=length >= 0? new byte[length] : null;
  if(cluster_name != null)
    in.readFully(cluster_name, 0, cluster_name.length);
  int len=in.readInt();
  for(int i=0; i < len; i++) {
    Message msg=new Message(false);
    msg.readFrom(in);
    msg.setDest(dest);
    if(msg.getSrc() == null)
      msg.setSrc(src);
    // Now add a TpHeader back on, was not marshalled. Every message references the *same* TpHeader, saving memory !
    msg.putHeader(transport_id, new TpHeader(cluster_name));
    list.add(msg);
  }
  return list;
}

public void up(MessageBatch batch) {
  // let unicast message batches pass
  if(batch.dest() != null
   && (batch.mode() == MessageBatch.Mode.OOB && batch.mode() == MessageBatch.Mode.INTERNAL)
   || holes.contains(batch.sender())) {
    up_prot.up(batch);
    return;
  }
  if(barrier_closed.get()) {
    final Map<Address,Message> map=batch.dest() == null? mcast_queue : ucast_queue;
    map.put(batch.sender(), batch.last().putHeader(transport.getId(),new TpHeader(batch.clusterName())));
    return; // queue the last message of the batch and drop the batch
  }
  Thread current_thread=Thread.currentThread();
  in_flight_threads.put(current_thread, NULL);
  try {
    up_prot.up(batch);
  }
  finally {
    unblock(current_thread);
  }
}

case Event.CONNECT_WITH_STATE_TRANSFER_USE_FLUSH:
  cluster_name=new AsciiString((String)evt.getArg());
  header=new TpHeader(cluster_name);

public static List<Message> readMessageList(DataInput in, short transport_id) throws Exception {
  List<Message> list=new LinkedList<>();
  Address dest=Util.readAddress(in);
  Address src=Util.readAddress(in);
  // AsciiString cluster_name=Bits.readAsciiString(in); // not used here
  short length=in.readShort();
  byte[] cluster_name=length >= 0? new byte[length] : null;
  if(cluster_name != null)
    in.readFully(cluster_name, 0, cluster_name.length);
  int len=in.readInt();
  for(int i=0; i < len; i++) {
    Message msg=new Message(false);
    msg.readFrom(in);
    msg.setDest(dest);
    if(msg.getSrc() == null)
      msg.setSrc(src);
    // Now add a TpHeader back on, was not marshalled. Every message references the *same* TpHeader, saving memory !
    msg.putHeader(transport_id, new TpHeader(cluster_name));
    list.add(msg);
  }
  return list;
}

protected Object handleDownEvent(Event evt) {
  switch(evt.getType()) {
  case Event.TMP_VIEW:
  case Event.VIEW_CHANGE:
    synchronized(members) {
      view=(View)evt.getArg();
      members.clear();
      Vector<Address> tmpvec=view.getMembers();
      members.addAll(tmpvec);
    }
    break;
  case Event.CONNECT:
    channel_name=(String)evt.getArg();
    header=new TpHeader(channel_name);
    setThreadNames();
    return null;
  case Event.DISCONNECT:
    unsetThreadNames();
    break;
  case Event.CONFIG:
    if(log.isDebugEnabled()) log.debug("received CONFIG event: " + evt.getArg());
    handleConfigEvent((HashMap)evt.getArg());
    break;
  }
  return null;
}

public void up(MessageBatch batch) {
  // let unicast message batches pass
  if(batch.dest() != null
   && (batch.mode() == MessageBatch.Mode.OOB && batch.mode() == MessageBatch.Mode.INTERNAL)
   || holes.contains(batch.sender())) {
    up_prot.up(batch);
    return;
  }
  if(barrier_closed.get()) {
    final Map<Address,Message> map=batch.dest() == null? mcast_queue : ucast_queue;
    map.put(batch.sender(), batch.last().putHeader(transport.getId(),new TpHeader(batch.clusterName())));
    return; // queue the last message of the batch and drop the batch
  }
  Thread current_thread=Thread.currentThread();
  in_flight_threads.put(current_thread, NULL);
  try {
    up_prot.up(batch);
  }
  finally {
    unblock(current_thread);
  }
}

case Event.CONNECT_WITH_STATE_TRANSFER_USE_FLUSH:
  cluster_name=new AsciiString((String)evt.getArg());
  header=new TpHeader(cluster_name);