protected void sendDiscoveryResponse(
Address logical_addr,
List<PhysicalAddress> physical_addrs,
boolean is_server,
boolean return_view_only,
String logical_name,
final Address sender) {
PingData data;
if (return_view_only) {
data = new PingData(logical_addr, view, is_server, null, null);
} else {
ViewId view_id = view != null ? view.getViewId() : null;
data = new PingData(logical_addr, null, view_id, is_server, logical_name, physical_addrs);
}
final Message rsp_msg = new Message(sender, null, null);
rsp_msg.setFlag(Message.OOB);
final PingHeader rsp_hdr = new PingHeader(PingHeader.GET_MBRS_RSP, data);
rsp_msg.putHeader(this.id, rsp_hdr);
if (stagger_timeout > 0) {
int view_size = view != null ? view.size() : 10;
int rank = Util.getRank(view, local_addr); // returns 0 if view or local_addr are null
long sleep_time =
rank == 0
? Util.random(stagger_timeout)
: stagger_timeout * rank / view_size - (stagger_timeout / view_size);
timer.schedule(
new Runnable() {
public void run() {
if (log.isTraceEnabled())
log.trace(
local_addr
+ ": received GET_MBRS_REQ from "
+ sender
+ ", sending staggered response "
+ rsp_hdr);
down_prot.down(new Event(Event.MSG, rsp_msg));
}
},
sleep_time,
TimeUnit.MILLISECONDS);
return;
}
if (log.isTraceEnabled())
log.trace("received GET_MBRS_REQ from " + sender + ", sending response " + rsp_hdr);
down_prot.down(new Event(Event.MSG, rsp_msg));
}
/**
* Creates a list of randomly generated partitions, each having a max size of max_partition_size
*/
protected List<View> createPartitions(int max_partition_size, JChannel... channels) {
long view_id = 1;
for (JChannel ch : channels) view_id = Math.max(view_id, ch.getView().getViewId().getId());
List<View> partitions = new ArrayList<>();
List<Address> tmp = new ArrayList<>();
for (JChannel ch : channels) tmp.add(ch.getAddress());
while (!tmp.isEmpty()) {
int num_to_remove = (int) Util.random(max_partition_size);
List<Address> part = new ArrayList<>(max_partition_size);
for (int x = 0; x < num_to_remove && !tmp.isEmpty(); x++) part.add(tmp.remove(0));
partitions.add(new View(part.get(0), view_id + 1, part));
}
return partitions;
}
public static void testLargeRange() {
SeqnoRange range = new SeqnoRange(0, 1500);
Set<Integer> sorted_set = new TreeSet<>();
for (int i = 0; i < 500; i++) {
int num = (int) Util.random(1499);
sorted_set.add(num);
}
for (int num : sorted_set) range.set(num);
int num_set = sorted_set.size();
System.out.println("set " + num_set + " bits");
assert range.getNumberOfReceivedMessages() == num_set;
Collection<Range> missing = range.getMessagesToRetransmit();
System.out.println("missing = " + missing);
}
protected void sendDiscoveryResponse(
Address logical_addr,
PhysicalAddress physical_addr,
String logical_name,
final Address sender,
boolean coord) {
final PingData data =
new PingData(logical_addr, is_server, logical_name, physical_addr).coord(coord);
final Message rsp_msg =
new Message(sender)
.setFlag(Message.Flag.INTERNAL, Message.Flag.OOB, Message.Flag.DONT_BUNDLE)
.putHeader(this.id, new PingHeader(PingHeader.GET_MBRS_RSP))
.setBuffer(marshal(data));
if (stagger_timeout > 0) {
int view_size = view != null ? view.size() : 10;
int rank = Util.getRank(view, local_addr); // returns 0 if view or local_addr are null
long sleep_time =
rank == 0
? Util.random(stagger_timeout)
: stagger_timeout * rank / view_size - (stagger_timeout / view_size);
timer.schedule(
(Runnable)
() -> {
log.trace(
"%s: received GET_MBRS_REQ from %s, sending staggered response %s",
local_addr, sender, data);
down_prot.down(new Event(Event.MSG, rsp_msg));
},
sleep_time,
TimeUnit.MILLISECONDS);
return;
}
log.trace("%s: received GET_MBRS_REQ from %s, sending response %s", local_addr, sender, data);
down_prot.down(new Event(Event.MSG, rsp_msg));
}
