public FindValueResponseHandler(Context context, EntityKey lookupKey) {
super(context, lookupKey.getPrimaryKey());
this.lookupKey = lookupKey;
setExhaustive(LookupSettings.EXHAUSTIVE_VALUE_LOOKUP.getValue());
lookupStat = new FindValueLookupStatisticContainer(context, lookupId);
}
@Test
public void testStorables() throws Exception {
Context dht = (Context) MojitoFactory.createDHT("bootstrap");
dht.getStorableModelManager().addStorableModel(DHTValueType.TEXT, new Dht.Model());
dht.bind(new InetSocketAddress("localhost", 8080));
dht.start();
Context node = (Context) MojitoFactory.createDHT("node");
node.getStorableModelManager().addStorableModel(DHTValueType.TEXT, new Dht.Model());
node.bind(new InetSocketAddress("localhost", 8081));
node.start();
node.bootstrap(new InetSocketAddress("localhost", 8080)).get();
assertTrue(node.isBootstrapped());
DHTValueImpl value =
new DHTValueImpl(DHTValueType.TEXT, Version.ZERO, "hello world".getBytes());
node.put(Keys.of("key"), value).get();
FindValueResult result =
node.get(EntityKey.createEntityKey(Keys.of("key"), DHTValueType.TEXT)).get();
assertTrue(result.isSuccess());
assertEquals(1, result.getEntities().size());
assertEquals(
"hello world", new String(result.getEntities().iterator().next().getValue().getValue()));
node.close();
dht.close();
}
@Test
public void testCreatorAddressIsCorrect() throws Exception {
Context root = (Context) MojitoFactory.createDHT("bootstrap");
root.bind(new InetSocketAddress("localhost", 8081));
root.start();
Context dht = (Context) MojitoFactory.createDHT("dht");
dht.bind(new InetSocketAddress("localhost", 8080));
dht.start();
dht.bootstrap(new InetSocketAddress("localhost", 8081)).get();
assertTrue(dht.isBootstrapped());
DHTValueImpl value =
new DHTValueImpl(DHTValueType.TEXT, Version.ZERO, "hello world".getBytes());
StoreResult store = dht.put(Keys.of("key"), value).get();
assertEquals(2, store.getLocations().size());
FindValueResult result =
dht.get(EntityKey.createEntityKey(Keys.of("key"), DHTValueType.TEXT)).get();
assertTrue(result.isSuccess());
assertEquals(1, result.getEntities().size());
DHTValueEntity entity = result.getEntities().iterator().next();
assertEquals(
InetSocketAddress.createUnresolved("localhost", 8080),
entity.getCreator().getContactAddress());
assertEquals(
InetSocketAddress.createUnresolved("localhost", 8081),
entity.getSender().getContactAddress());
root.close();
dht.close();
}
@Override
protected LookupRequest createLookupRequest(Contact node) {
Collection<KUID> noKeys = Collections.emptySet();
return context
.getMessageHelper()
.createFindValueRequest(
node.getContactAddress(), lookupId, noKeys, lookupKey.getDHTValueType());
}
private boolean extractDataFromResponse(FindValueResponse response) {
Contact sender = response.getContact();
Collection<KUID> availableSecondaryKeys = response.getSecondaryKeys();
Collection<? extends DHTValueEntity> entities = response.getDHTValueEntities();
// No keys and no values? In other words the remote Node sent us
// a FindValueResponse even though it doesn't have a value for
// the given KUID!? Continue with the lookup if so...!
if (availableSecondaryKeys.isEmpty() && entities.isEmpty()) {
if (LOG.isWarnEnabled()) {
LOG.warn(sender + " returned neither keys nor values for " + lookupId);
}
// Continue with the lookup...
return false;
}
Collection<? extends DHTValueEntity> filtered =
DatabaseUtils.filter(lookupKey.getDHTValueType(), entities);
// The filtered Set is empty and the unfiltered isn't?
// The remote Node send us unrequested Value(s)!
// Continue with the lookup if so...!
if (filtered.isEmpty() && !entities.isEmpty()) {
if (LOG.isWarnEnabled()) {
LOG.warn(sender + " returned unrequested types of values for " + lookupId);
}
// Continue with the lookup...
return false;
}
this.entities.addAll(filtered);
for (KUID secondaryKey : availableSecondaryKeys) {
EntityKey key =
EntityKey.createEntityKey(sender, lookupId, secondaryKey, lookupKey.getDHTValueType());
this.entityKeys.add(key);
}
return true;
}
