private boolean startFlush(Channel ch, boolean automatic_resume) {
log.debug(
"starting flush on " + ch.getAddress() + " with automatic resume=" + automatic_resume);
boolean result = Util.startFlush(ch);
if (automatic_resume) {
ch.stopFlush();
}
return result;
}
private boolean startFlush(Channel ch, int num_attempts, long timeout, boolean automatic_resume) {
log.debug(
"starting flush on " + ch.getAddress() + " with automatic resume=" + automatic_resume);
boolean result = Util.startFlush(ch, num_attempts, 10, timeout);
if (automatic_resume) {
ch.stopFlush();
}
return result;
}
public void setChannel(Channel ch) {
if (ch == null) return;
this.channel = ch;
local_addr = channel.getAddress();
if (prot_adapter == null) prot_adapter = new ProtocolAdapter();
// Don't force installing the UpHandler so subclasses can use this
// method and still integrate with a MuxUpHandler
installUpHandler(prot_adapter, false);
}
public void testMergeWithAsymetricViewsCoordIsolated() {
// Isolate the coord
Address coord = a.getView().getCreator();
System.out.println("Isolating coord: " + coord);
List<Address> members = new ArrayList<>();
members.add(coord);
View coord_view = new View(coord, 4, members);
System.out.println("coord_view: " + coord_view);
Channel coord_channel = findChannel(coord);
System.out.println("coord_channel: " + coord_channel.getAddress());
MutableDigest digest = new MutableDigest(coord_view.getMembersRaw());
NAKACK2 nakack = (NAKACK2) coord_channel.getProtocolStack().findProtocol(NAKACK2.class);
digest.merge(nakack.getDigest(coord));
GMS gms = (GMS) coord_channel.getProtocolStack().findProtocol(GMS.class);
gms.installView(coord_view, digest);
System.out.println("gms.getView() " + gms.getView());
System.out.println("Views are:");
for (JChannel ch : Arrays.asList(a, b, c, d))
System.out.println(ch.getAddress() + ": " + ch.getView());
JChannel merge_leader = findChannel(coord);
MyReceiver receiver = new MyReceiver();
merge_leader.setReceiver(receiver);
System.out.println("merge_leader: " + merge_leader.getAddressAsString());
System.out.println("Injecting MERGE event into merge leader " + merge_leader.getAddress());
Map<Address, View> merge_views = new HashMap<>(4);
merge_views.put(a.getAddress(), a.getView());
merge_views.put(b.getAddress(), b.getView());
merge_views.put(c.getAddress(), c.getView());
merge_views.put(d.getAddress(), d.getView());
gms = (GMS) merge_leader.getProtocolStack().findProtocol(GMS.class);
gms.up(new Event(Event.MERGE, merge_views));
Util.waitUntilAllChannelsHaveSameSize(10000, 1000, a, b, c, d);
System.out.println("Views are:");
for (JChannel ch : Arrays.asList(a, b, c, d)) {
View view = ch.getView();
System.out.println(ch.getAddress() + ": " + view);
assert view.size() == 4;
}
MergeView merge_view = receiver.getView();
System.out.println("merge_view = " + merge_view);
assert merge_view.size() == 4;
assert merge_view.getSubgroups().size() == 2;
for (View view : merge_view.getSubgroups())
assert contains(view, a.getAddress())
|| contains(view, b.getAddress(), c.getAddress(), d.getAddress());
}
public MessageDispatcher(Channel channel, MessageListener l, MembershipListener l2) {
this.channel = channel;
prot_adapter = new ProtocolAdapter();
if (channel != null) {
local_addr = channel.getAddress();
channel.addChannelListener(this);
}
setMessageListener(l);
setMembershipListener(l2);
if (channel != null) installUpHandler(prot_adapter, true);
start();
}
public void receive(Message msg) {
Message reply = new Message(msg.getSrc());
try {
System.out.println(
"-- MySimpleReplier["
+ channel.getAddress()
+ "]: received message from "
+ msg.getSrc());
if (handle_requests) {
System.out.println(", sending reply");
channel.send(reply);
} else System.out.println("\n");
} catch (Exception e) {
e.printStackTrace();
}
}
public void unblock() {
System.out.println("-- MySimpleReplier[" + channel.getAddress() + "]: unblock()");
}
public void viewAccepted(View new_view) {
System.out.println(
"-- MySimpleReplier[" + channel.getAddress() + "]: viewAccepted(" + new_view + ")");
}
protected <T> GroupRequest<T> cast(
final Collection<Address> dests,
Message msg,
RequestOptions options,
boolean block_for_results,
FutureListener<RspList<T>> listener)
throws Exception {
if (msg.getDest() != null && !(msg.getDest() instanceof AnycastAddress))
throw new IllegalArgumentException("message destination is non-null, cannot send message");
if (options != null) {
msg.setFlag(options.getFlags()).setTransientFlag(options.getTransientFlags());
if (options.getScope() > 0) msg.setScope(options.getScope());
}
List<Address> real_dests;
// we need to clone because we don't want to modify the original
if (dests != null) {
real_dests = new ArrayList<Address>();
for (Address dest : dests) {
if (dest instanceof SiteAddress || this.members.contains(dest)) {
if (!real_dests.contains(dest)) real_dests.add(dest);
}
}
} else real_dests = new ArrayList<Address>(members);
// if local delivery is off, then we should not wait for the message from the local member.
// therefore remove it from the membership
Channel tmp = channel;
if ((tmp != null && tmp.getDiscardOwnMessages())
|| msg.isTransientFlagSet(Message.TransientFlag.DONT_LOOPBACK)) {
if (local_addr == null) local_addr = tmp != null ? tmp.getAddress() : null;
if (local_addr != null) real_dests.remove(local_addr);
}
if (options != null && options.hasExclusionList()) {
Address[] exclusion_list = options.exclusionList();
for (Address excluding : exclusion_list) real_dests.remove(excluding);
}
// don't even send the message if the destination list is empty
if (log.isTraceEnabled()) log.trace("real_dests=" + real_dests);
if (real_dests.isEmpty()) {
if (log.isTraceEnabled()) log.trace("destination list is empty, won't send message");
return null;
}
if (options != null) {
boolean async = options.getMode() == ResponseMode.GET_NONE;
if (options.getAnycasting()) {
if (async) async_anycasts.incrementAndGet();
else sync_anycasts.incrementAndGet();
} else {
if (async) async_multicasts.incrementAndGet();
else sync_multicasts.incrementAndGet();
}
}
GroupRequest<T> req = new GroupRequest<T>(msg, corr, real_dests, options);
if (listener != null) req.setListener(listener);
if (options != null) {
req.setResponseFilter(options.getRspFilter());
req.setAnycasting(options.getAnycasting());
}
req.setBlockForResults(block_for_results);
req.execute();
return req;
}