public void testDiscoveryListenersCalled() throws Exception {
final InetAddress groupAddress = InetAddress.getByName(address1);
final int groupPort = getUDPDiscoveryPort();
final int timeout = 500;
String nodeID = RandomUtil.randomString();
bg = newBroadcast(nodeID, RandomUtil.randomString(), null, -1, groupAddress, groupPort);
bg.start();
TransportConfiguration live1 = generateTC();
bg.addConnector(live1);
dg =
newDiscoveryGroup(
RandomUtil.randomString(),
RandomUtil.randomString(),
null,
groupAddress,
groupPort,
timeout);
MyListener listener1 = new MyListener();
MyListener listener2 = new MyListener();
MyListener listener3 = new MyListener();
dg.registerListener(listener1);
dg.registerListener(listener2);
dg.registerListener(listener3);
dg.start();
verifyBroadcast(bg, dg);
Assert.assertTrue(listener1.called);
Assert.assertTrue(listener2.called);
Assert.assertTrue(listener3.called);
listener1.called = false;
listener2.called = false;
listener3.called = false;
verifyBroadcast(bg, dg);
// Won't be called since connectors haven't changed
Assert.assertFalse(listener1.called);
Assert.assertFalse(listener2.called);
Assert.assertFalse(listener3.called);
}
public void testConnectorsUpdatedMultipleBroadcasters() throws Exception {
final InetAddress groupAddress = InetAddress.getByName(address1);
final int groupPort = getUDPDiscoveryPort();
final int timeout = 500;
String node1 = RandomUtil.randomString();
String node2 = RandomUtil.randomString();
String node3 = RandomUtil.randomString();
bg1 = newBroadcast(node1, RandomUtil.randomString(), null, -1, groupAddress, groupPort);
bg1.start();
bg2 = newBroadcast(node2, RandomUtil.randomString(), null, -1, groupAddress, groupPort);
bg2.start();
bg3 = newBroadcast(node3, RandomUtil.randomString(), null, -1, groupAddress, groupPort);
bg3.start();
TransportConfiguration live1 = generateTC();
bg1.addConnector(live1);
TransportConfiguration live2 = generateTC();
bg2.addConnector(live2);
TransportConfiguration live3 = generateTC();
bg3.addConnector(live3);
dg =
newDiscoveryGroup(
RandomUtil.randomString(),
RandomUtil.randomString(),
null,
groupAddress,
groupPort,
timeout);
MyListener listener1 = new MyListener();
dg.registerListener(listener1);
MyListener listener2 = new MyListener();
dg.registerListener(listener2);
dg.start();
verifyBroadcast(bg1, dg);
List<DiscoveryEntry> entries = dg.getDiscoveryEntries();
assertEqualsDiscoveryEntries(Arrays.asList(live1), entries);
Assert.assertTrue(listener1.called);
Assert.assertTrue(listener2.called);
listener1.called = false;
listener2.called = false;
verifyBroadcast(bg2, dg);
entries = dg.getDiscoveryEntries();
assertEqualsDiscoveryEntries(Arrays.asList(live1, live2), entries);
Assert.assertTrue(listener1.called);
Assert.assertTrue(listener2.called);
listener1.called = false;
listener2.called = false;
verifyBroadcast(bg3, dg);
entries = dg.getDiscoveryEntries();
assertEqualsDiscoveryEntries(Arrays.asList(live1, live2, live3), entries);
Assert.assertTrue(listener1.called);
Assert.assertTrue(listener2.called);
listener1.called = false;
listener2.called = false;
verifyBroadcast(bg1, dg);
entries = dg.getDiscoveryEntries();
assertEqualsDiscoveryEntries(Arrays.asList(live1, live2, live3), entries);
Assert.assertFalse(listener1.called);
Assert.assertFalse(listener2.called);
listener1.called = false;
listener2.called = false;
verifyBroadcast(bg2, dg);
entries = dg.getDiscoveryEntries();
assertEqualsDiscoveryEntries(Arrays.asList(live1, live2, live3), entries);
Assert.assertFalse(listener1.called);
Assert.assertFalse(listener2.called);
listener1.called = false;
listener2.called = false;
verifyBroadcast(bg3, dg);
entries = dg.getDiscoveryEntries();
assertEqualsDiscoveryEntries(Arrays.asList(live1, live2, live3), entries);
Assert.assertFalse(listener1.called);
Assert.assertFalse(listener2.called);
listener1.called = false;
listener2.called = false;
bg2.removeConnector(live2);
verifyBroadcast(bg2, dg);
// Connector2 should still be there since not timed out yet
entries = dg.getDiscoveryEntries();
assertEqualsDiscoveryEntries(Arrays.asList(live1, live2, live3), entries);
Assert.assertFalse(listener1.called);
Assert.assertFalse(listener2.called);
listener1.called = false;
listener2.called = false;
Thread.sleep(timeout * 2);
bg1.broadcastConnectors();
boolean ok = dg.waitForBroadcast(1000);
bg2.broadcastConnectors();
ok = dg.waitForBroadcast(1000);
bg3.broadcastConnectors();
ok = dg.waitForBroadcast(1000);
entries = dg.getDiscoveryEntries();
assertEqualsDiscoveryEntries(Arrays.asList(live1, live3), entries);
Assert.assertTrue(listener1.called);
Assert.assertTrue(listener2.called);
listener1.called = false;
listener2.called = false;
bg1.removeConnector(live1);
bg3.removeConnector(live3);
Thread.sleep(timeout * 2);
bg1.broadcastConnectors();
ok = dg.waitForBroadcast(1000);
bg2.broadcastConnectors();
ok = dg.waitForBroadcast(1000);
bg3.broadcastConnectors();
ok = dg.waitForBroadcast(1000);
entries = dg.getDiscoveryEntries();
Assert.assertNotNull(entries);
Assert.assertEquals(0, entries.size());
Assert.assertTrue(listener1.called);
Assert.assertTrue(listener2.called);
listener1.called = false;
listener2.called = false;
bg1.broadcastConnectors();
ok = dg.waitForBroadcast(1000);
bg2.broadcastConnectors();
ok = dg.waitForBroadcast(1000);
bg3.broadcastConnectors();
ok = dg.waitForBroadcast(1000);
entries = dg.getDiscoveryEntries();
Assert.assertNotNull(entries);
Assert.assertEquals(0, entries.size());
Assert.assertFalse(listener1.called);
Assert.assertFalse(listener2.called);
}