protected BayeuxClient startClient(Oort oort, Map<String, Object> handshakeFields) {
BayeuxClient client =
new BayeuxClient(oort.getURL(), new LongPollingTransport(null, oort.getHttpClient()));
client.setDebugEnabled(Boolean.getBoolean("debugTests"));
client.handshake(handshakeFields);
client.waitFor(5000, BayeuxClient.State.CONNECTED);
clients.add(client);
return client;
}
/**
* Creates an {@link OortService} with the given name.
*
* @param oort the Oort where this service lives
* @param name the unique name across the cluster of this service
*/
protected OortService(Oort oort, String name) {
this.oort = oort;
this.name = name;
this.forwardChannelName = "/service/oort/service/" + name;
this.broadcastChannelName = "/oort/service/" + name;
this.resultChannelName = forwardChannelName + "/result";
this.session = oort.getBayeuxServer().newLocalSession(name);
this.logger =
LoggerFactory.getLogger(
getClass().getName() + "." + Oort.replacePunctuation(oort.getURL(), '_') + name);
}
@Test
public void testThreeComets() throws Exception {
Server server1 = startServer(0);
int groupPort = ((NetworkConnector) server1.getConnectors()[0]).getLocalPort();
Oort oort1 = startOort(server1);
startConfigurer(oort1, groupPort);
Server server2 = startServer(0);
Oort oort2 = startOort(server2);
final OortMulticastConfigurer configurer2 = startConfigurer(oort2, groupPort);
// Give some time to advertise
Thread.sleep(1000);
Assert.assertEquals(1, oort1.getKnownComets().size());
Assert.assertEquals(1, oort2.getKnownComets().size());
// Create another comet
Server server3 = startServer(0);
Oort oort3 = startOort(server3);
startConfigurer(oort3, groupPort);
// Give some time to advertise
Thread.sleep(1000);
Assert.assertEquals(2, oort1.getKnownComets().size());
Assert.assertEquals(2, oort2.getKnownComets().size());
Assert.assertEquals(2, oort3.getKnownComets().size());
stopConfigurer(configurer2);
stopOort(oort2);
stopServer(server2);
// Give some time to advertise
Thread.sleep(1000);
Assert.assertEquals(1, oort1.getKnownComets().size());
Assert.assertEquals(oort3.getURL(), oort1.getKnownComets().iterator().next());
Assert.assertEquals(1, oort3.getKnownComets().size());
Assert.assertEquals(oort1.getURL(), oort3.getKnownComets().iterator().next());
}
protected void onForwardMessage(Map<String, Object> data, boolean broadcast) {
logger.debug("Received {} action {}", broadcast ? "broadcast" : "forwarded", data);
Map<String, Object> resultData = new HashMap<>(3);
resultData.put(ID_FIELD, data.get(ID_FIELD));
resultData.put(OORT_URL_FIELD, getOort().getURL());
String oortURL = (String) data.get(OORT_URL_FIELD);
try {
Result<R> result = onForward(new Request(oort.getURL(), data.get(PARAMETER_FIELD), oortURL));
logger.debug("Forwarded action result {}", result);
if (result.succeeded()) {
resultData.put(RESULT_FIELD, true);
resultData.put(DATA_FIELD, result.data);
} else if (result.failed()) {
resultData.put(RESULT_FIELD, false);
resultData.put(DATA_FIELD, result.data);
} else {
if (broadcast) {
// Ignore and therefore return
logger.debug("Ignoring broadcast action result {}", result);
return;
} else {
// Convert ignore into failure
resultData.put(RESULT_FIELD, false);
resultData.put(DATA_FIELD, result.data);
}
}
} catch (Exception x) {
if (broadcast) return;
String failure = x.getMessage();
if (failure == null || failure.length() == 0) failure = x.getClass().getName();
resultData.put(RESULT_FIELD, false);
resultData.put(DATA_FIELD, failure);
}
if (getOort().getURL().equals(oortURL)) {
// Local case
logger.debug("Returning forwarded action result {} to local {}", resultData, oortURL);
onResultMessage(resultData);
} else {
// Remote case
OortComet comet = getOort().getComet(oortURL);
if (comet != null) {
logger.debug("Returning forwarded action result {} to remote {}", resultData, oortURL);
comet.getChannel(resultChannelName).publish(resultData);
} else {
// Probably the node disconnected concurrently
logger.debug(
"Could not return forwarded action result {} to remote {}", resultData, oortURL);
}
}
}
public OortMulticastConfigurer(Oort oort) {
this.logger =
LoggerFactory.getLogger(
getClass().getName() + "." + Oort.replacePunctuation(oort.getURL(), '_'));
this.oort = oort;
}
