/** @throws Exception If failed. */
public void testAffinityPut() throws Exception {
Thread.sleep(2 * TOP_REFRESH_FREQ);
assertEquals(NODES_CNT, client.compute().refreshTopology(false, false).size());
Map<UUID, Grid> gridsByLocNode = new HashMap<>(NODES_CNT);
GridClientData partitioned = client.data(PARTITIONED_CACHE_NAME);
GridClientCompute compute = client.compute();
for (int i = 0; i < NODES_CNT; i++) gridsByLocNode.put(grid(i).localNode().id(), grid(i));
for (int i = 0; i < 100; i++) {
String key = "key" + i;
UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, key).id();
assertEquals("Affinity mismatch for key: " + key, primaryNodeId, partitioned.affinity(key));
assertEquals(primaryNodeId, partitioned.affinity(key));
// Must go to primary node only. Since backup count is 0, value must present on
// primary node only.
partitioned.put(key, "val" + key);
for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) {
Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(key);
if (primaryNodeId.equals(entry.getKey())) assertEquals("val" + key, val);
else assertNull(val);
}
}
// Now check that we will see value in near cache in pinned mode.
for (int i = 100; i < 200; i++) {
String pinnedKey = "key" + i;
UUID primaryNodeId = grid(0).mapKeyToNode(PARTITIONED_CACHE_NAME, pinnedKey).id();
UUID pinnedNodeId = F.first(F.view(gridsByLocNode.keySet(), F.notEqualTo(primaryNodeId)));
GridClientNode node = compute.node(pinnedNodeId);
partitioned.pinNodes(node).put(pinnedKey, "val" + pinnedKey);
for (Map.Entry<UUID, Grid> entry : gridsByLocNode.entrySet()) {
Object val = entry.getValue().cache(PARTITIONED_CACHE_NAME).peek(pinnedKey);
if (primaryNodeId.equals(entry.getKey()) || pinnedNodeId.equals(entry.getKey()))
assertEquals("val" + pinnedKey, val);
else assertNull(val);
}
}
}
/** @throws Exception If failed. */
public void testDisabledRest() throws Exception {
restEnabled = false;
final Grid g = startGrid("disabled-rest");
try {
Thread.sleep(2 * TOP_REFRESH_FREQ);
// As long as we have round robin load balancer this will cause every node to be queried.
for (int i = 0; i < NODES_CNT + 1; i++)
assertEquals(NODES_CNT + 1, client.compute().refreshTopology(false, false).size());
final GridClientData data = client.data(PARTITIONED_CACHE_NAME);
// Check rest-disabled node is unavailable.
try {
String affKey;
do {
affKey = UUID.randomUUID().toString();
} while (!data.affinity(affKey).equals(g.localNode().id()));
data.put(affKey, "asdf");
assertEquals("asdf", cache(0, PARTITIONED_CACHE_NAME).get(affKey));
} catch (GridServerUnreachableException e) {
// Thrown for direct client-node connections.
assertTrue(
"Unexpected exception message: " + e.getMessage(),
e.getMessage()
.startsWith("No available endpoints to connect (is rest enabled for this node?)"));
} catch (GridClientException e) {
// Thrown for routed client-router-node connections.
String msg = e.getMessage();
assertTrue(
"Unexpected exception message: " + msg,
protocol() == GridClientProtocol.TCP
? msg.contains("No available endpoints to connect (is rest enabled for this node?)")
: // TCP router.
msg.startsWith(
"No available nodes on the router for destination node ID")); // HTTP router.
}
// Check rest-enabled nodes are available.
String affKey;
do {
affKey = UUID.randomUUID().toString();
} while (data.affinity(affKey).equals(g.localNode().id()));
data.put(affKey, "fdsa");
assertEquals("fdsa", cache(0, PARTITIONED_CACHE_NAME).get(affKey));
} finally {
restEnabled = true;
G.stop(g.name(), true);
}
}
/** @throws Exception If failed. */
public void testProjectionRun() throws Exception {
GridClientCompute dflt = client.compute();
Collection<? extends GridClientNode> nodes = dflt.nodes();
assertEquals(NODES_CNT, nodes.size());
for (int i = 0; i < NODES_CNT; i++) {
Grid g = grid(i);
assert g != null;
GridClientNode clientNode = dflt.node(g.localNode().id());
assertNotNull("Client node for " + g.localNode().id() + " was not found", clientNode);
GridClientCompute prj = dflt.projection(clientNode);
String res = prj.execute(TestTask.class.getName(), null);
assertNotNull(res);
assertEquals(g.localNode().id().toString(), res);
}
}
/** @throws Exception If failed. */
public void testMultithreadedCommand() throws Exception {
final GridClientData data = client.data(PARTITIONED_CACHE_NAME);
final GridClientCompute compute = client.compute();
final AtomicInteger cnt = new AtomicInteger(0);
multithreaded(
new Callable<Object>() {
@Override
public Object call() throws Exception {
for (int i = 0; i < 20; i++) {
String key = UUID.randomUUID().toString();
String val = UUID.randomUUID().toString();
switch (cnt.incrementAndGet() % 4) {
case 0:
{
assertTrue(data.put(key, val));
assertEquals(val, data.get(key));
assertTrue(data.remove(key));
break;
}
case 1:
{
assertNotNull(data.metrics());
break;
}
case 2:
{
String nodeId = compute.execute(TestTask.class.getName(), null);
assertNotNull(nodeId);
assertNotNull(compute.refreshNode(UUID.fromString(nodeId), true, true));
break;
}
case 3:
{
assertEquals(NODES_CNT, compute.refreshTopology(true, true).size());
break;
}
}
}
return null;
}
},
50,
"multithreaded-client-access");
}
/** @throws Exception If failed. */
public void testTopologyListener() throws Exception {
final Collection<UUID> added = new ArrayList<>(1);
final Collection<UUID> rmvd = new ArrayList<>(1);
final CountDownLatch addedLatch = new CountDownLatch(1);
final CountDownLatch rmvLatch = new CountDownLatch(1);
assertEquals(NODES_CNT, client.compute().refreshTopology(false, false).size());
GridClientTopologyListener lsnr =
new GridClientTopologyListener() {
@Override
public void onNodeAdded(GridClientNode node) {
added.add(node.nodeId());
addedLatch.countDown();
}
@Override
public void onNodeRemoved(GridClientNode node) {
rmvd.add(node.nodeId());
rmvLatch.countDown();
}
};
client.addTopologyListener(lsnr);
try {
Grid g = startGrid(NODES_CNT + 1);
UUID id = g.localNode().id();
assertTrue(addedLatch.await(2 * TOP_REFRESH_FREQ, MILLISECONDS));
assertEquals(1, added.size());
assertEquals(id, F.first(added));
stopGrid(NODES_CNT + 1);
assertTrue(rmvLatch.await(2 * TOP_REFRESH_FREQ, MILLISECONDS));
assertEquals(1, rmvd.size());
assertEquals(id, F.first(rmvd));
} finally {
client.removeTopologyListener(lsnr);
stopGrid(NODES_CNT + 1);
}
}
/** @throws Exception If failed. */
public void testAffinityExecute() throws Exception {
GridClientCompute dflt = client.compute();
GridClientData data = client.data(PARTITIONED_CACHE_NAME);
Collection<? extends GridClientNode> nodes = dflt.nodes();
assertEquals(NODES_CNT, nodes.size());
for (int i = 0; i < NODES_CNT; i++) {
Grid g = grid(i);
assert g != null;
int affinityKey = -1;
for (int key = 0; key < 10000; key++) {
if (g.localNode().id().equals(data.affinity(key))) {
affinityKey = key;
break;
}
}
if (affinityKey == -1)
throw new Exception("Unable to found key for which node is primary: " + g.localNode().id());
GridClientNode clientNode = dflt.node(g.localNode().id());
assertNotNull("Client node for " + g.localNode().id() + " was not found", clientNode);
String res =
dflt.affinityExecute(TestTask.class.getName(), PARTITIONED_CACHE_NAME, affinityKey, null);
assertNotNull(res);
assertEquals(g.localNode().id().toString(), res);
}
}
/** @throws Exception If failed. */
public void testEmptyProjections() throws Exception {
final GridClientCompute dflt = client.compute();
Collection<? extends GridClientNode> nodes = dflt.nodes();
assertEquals(NODES_CNT, nodes.size());
Iterator<? extends GridClientNode> iter = nodes.iterator();
final GridClientCompute singleNodePrj = dflt.projection(Collections.singletonList(iter.next()));
final GridClientNode second = iter.next();
final GridClientPredicate<GridClientNode> noneFilter =
new GridClientPredicate<GridClientNode>() {
@Override
public boolean apply(GridClientNode node) {
return false;
}
};
final GridClientPredicate<GridClientNode> targetFilter =
new GridClientPredicate<GridClientNode>() {
@Override
public boolean apply(GridClientNode node) {
return node.nodeId().equals(second.nodeId());
}
};
GridTestUtils.assertThrows(
log(),
new Callable<Object>() {
@Override
public Object call() throws Exception {
return dflt.projection(noneFilter).log(-1, -1);
}
},
GridServerUnreachableException.class,
null);
GridTestUtils.assertThrows(
log(),
new Callable<Object>() {
@Override
public Object call() throws Exception {
return singleNodePrj.projection(second);
}
},
GridClientException.class,
null);
GridTestUtils.assertThrows(
log(),
new Callable<Object>() {
@Override
public Object call() throws Exception {
return singleNodePrj.projection(targetFilter);
}
},
GridClientException.class,
null);
}
