private void checkTopology(
final HornetQServer serverParameter,
final String clusterName,
final String nodeId1,
final String nodeId2,
final TransportConfiguration cfg1,
final TransportConfiguration cfg2) {
Topology topology =
serverParameter.getClusterManager().getClusterConnection(clusterName).getTopology();
TopologyMemberImpl member1 = topology.getMember(nodeId1);
TopologyMemberImpl member2 = topology.getMember(nodeId2);
Assert.assertEquals(member1.getLive().getParams().toString(), cfg1.getParams().toString());
Assert.assertEquals(member2.getLive().getParams().toString(), cfg2.getParams().toString());
}
private boolean isLiveDown() {
Collection<TopologyMemberImpl> nodes = topology.getMembers();
Collection<ServerLocator> locatorsList = new LinkedList<ServerLocator>();
AtomicInteger pingCount = new AtomicInteger(0);
int total = 0;
for (TopologyMemberImpl tm : nodes) if (useIt(tm)) total++;
if (total < 1) return true;
final CountDownLatch voteLatch = new CountDownLatch(total);
try {
for (TopologyMemberImpl tm : nodes) {
Pair<TransportConfiguration, TransportConfiguration> pair = tm.getConnector();
TransportConfiguration serverTC = pair.getA();
if (useIt(tm)) {
ServerLocatorImpl locator =
(ServerLocatorImpl) HornetQClient.createServerLocatorWithoutHA(serverTC);
locatorsList.add(locator);
executor.submit(
new QuorumVoteServerConnect(voteLatch, total, pingCount, locator, serverTC));
}
}
try {
voteLatch.await(LATCH_TIMEOUT, TimeUnit.SECONDS);
} catch (InterruptedException interruption) {
// No-op. The best the quorum can do now is to return the latest number it has
}
// -1: because the live server is not being filtered out.
boolean vote = nodeIsDown(total, pingCount.get());
HornetQServerLogger.LOGGER.trace(
"quorum vote is liveIsDown=" + vote + ", count=" + pingCount);
return vote;
} finally {
for (ServerLocator locator : locatorsList) {
try {
locator.close();
} catch (Exception e) {
// no-op
}
}
}
}
public void nodeAnnounced(
final long uniqueEventID,
final String nodeID,
final String nodeName,
final Pair<TransportConfiguration, TransportConfiguration> connectorPair,
final boolean backup) {
if (HornetQServerLogger.LOGGER.isDebugEnabled()) {
HornetQServerLogger.LOGGER.debug(
this + "::NodeAnnounced, backup=" + backup + nodeID + connectorPair);
}
TransportConfiguration live = connectorPair.getA();
TransportConfiguration backupTC = connectorPair.getB();
TopologyMemberImpl newMember = new TopologyMemberImpl(nodeID, nodeName, live, backupTC);
newMember.setUniqueEventID(uniqueEventID);
if (backup) {
topology.updateBackup(new TopologyMemberImpl(nodeID, nodeName, live, backupTC));
} else {
topology.updateMember(uniqueEventID, nodeID, newMember);
}
}
/**
* @param tm
* @return
*/
private boolean useIt(TopologyMemberImpl tm) {
return tm.getLive() != null && !targetServerID.equals(tm.getLive().getName());
}