/** Simple class representing a pair of hosts and precomputes the associated h2h intent. */
private class HostPair {
private final Host src;
private final Host dst;
private final TrafficSelector selector = DefaultTrafficSelector.emptySelector();
private final TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment();
private final List<Constraint> constraint = Lists.newArrayList();
private final HostToHostIntent intent;
public HostPair(Host src, Host dst) {
this.src = src;
this.dst = dst;
this.intent =
HostToHostIntent.builder()
.appId(appId)
.one(src.id())
.two(dst.id())
.selector(selector)
.treatment(treatment)
.constraints(constraint)
.build();
}
public HostToHostIntent h2hIntent() {
return intent;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
HostPair hostPair = (HostPair) o;
return Objects.equals(src, hostPair.src) && Objects.equals(dst, hostPair.dst);
}
@Override
public int hashCode() {
return Objects.hash(src, dst);
}
}
@Override
public void run() {
TrafficSelector selector = DefaultTrafficSelector.emptySelector();
TrafficTreatment treatment = DefaultTrafficTreatment.emptyTreatment();
List<Constraint> constraint = Lists.newArrayList();
List<Host> hosts = Lists.newArrayList(hostService.getHosts());
while (!hosts.isEmpty()) {
Host src = hosts.remove(0);
for (Host dst : hosts) {
HostToHostIntent intent =
HostToHostIntent.builder()
.appId(appId)
.one(src.id())
.two(dst.id())
.selector(selector)
.treatment(treatment)
.constraints(constraint)
.build();
existingIntents.add(intent);
intentService.submit(intent);
}
}
}
/** Unit tests for the host to host intent class codec. */
public class IntentCodecTest extends AbstractIntentTest {
private final HostId id1 = hid("12:34:56:78:91:ab/1");
private final HostId id2 = hid("12:34:56:78:92:ab/1");
private final ApplicationId appId = new DefaultApplicationId(3, "test");
final TrafficSelector emptySelector = DefaultTrafficSelector.emptySelector();
final TrafficTreatment emptyTreatment = DefaultTrafficTreatment.emptyTreatment();
private final MockCodecContext context = new MockCodecContext();
final CoreService mockCoreService = createMock(CoreService.class);
@Before
public void setUpIntentService() {
final IntentService mockIntentService = new IntentServiceAdapter();
context.registerService(IntentService.class, mockIntentService);
context.registerService(CoreService.class, mockCoreService);
expect(mockCoreService.getAppId(appId.name())).andReturn(appId);
replay(mockCoreService);
}
/** Tests the encoding of a host to host intent. */
@Test
public void hostToHostIntent() {
final HostToHostIntent intent =
HostToHostIntent.builder().appId(appId).one(id1).two(id2).build();
final JsonCodec<HostToHostIntent> intentCodec = context.codec(HostToHostIntent.class);
assertThat(intentCodec, notNullValue());
final ObjectNode intentJson = intentCodec.encode(intent, context);
assertThat(intentJson, matchesIntent(intent));
}
/** Tests the encoding of a point to point intent. */
@Test
public void pointToPointIntent() {
ConnectPoint ingress = NetTestTools.connectPoint("ingress", 1);
ConnectPoint egress = NetTestTools.connectPoint("egress", 2);
final PointToPointIntent intent =
PointToPointIntent.builder()
.appId(appId)
.selector(emptySelector)
.treatment(emptyTreatment)
.ingressPoint(ingress)
.egressPoint(egress)
.build();
final JsonCodec<PointToPointIntent> intentCodec = context.codec(PointToPointIntent.class);
assertThat(intentCodec, notNullValue());
final ObjectNode intentJson = intentCodec.encode(intent, context);
assertThat(intentJson, matchesIntent(intent));
}
/** Tests the encoding of an intent with treatment, selector and constraints specified. */
@Test
public void intentWithTreatmentSelectorAndConstraints() {
ConnectPoint ingress = NetTestTools.connectPoint("ingress", 1);
ConnectPoint egress = NetTestTools.connectPoint("egress", 2);
DeviceId did1 = did("device1");
DeviceId did2 = did("device2");
DeviceId did3 = did("device3");
Lambda ochSignal = Lambda.ochSignal(GridType.DWDM, ChannelSpacing.CHL_100GHZ, 4, 8);
final TrafficSelector selector =
DefaultTrafficSelector.builder()
.matchIPProtocol((byte) 3)
.matchMplsLabel(MplsLabel.mplsLabel(4))
.add(Criteria.matchOchSignalType(OchSignalType.FIXED_GRID))
.add(Criteria.matchLambda(ochSignal))
.matchEthDst(MacAddress.BROADCAST)
.matchIPDst(IpPrefix.valueOf("1.2.3.4/24"))
.build();
final TrafficTreatment treatment =
DefaultTrafficTreatment.builder()
.add(Instructions.modL0Lambda(new IndexedLambda(33)))
.setMpls(MplsLabel.mplsLabel(44))
.setOutput(PortNumber.CONTROLLER)
.setEthDst(MacAddress.BROADCAST)
.build();
final List<Constraint> constraints =
ImmutableList.of(
new BandwidthConstraint(Bandwidth.bps(1.0)),
new LambdaConstraint(new IndexedLambda(3)),
new AnnotationConstraint("key", 33.0),
new AsymmetricPathConstraint(),
new LatencyConstraint(Duration.ofSeconds(2)),
new ObstacleConstraint(did1, did2),
new WaypointConstraint(did3));
final PointToPointIntent intent =
PointToPointIntent.builder()
.appId(appId)
.selector(selector)
.treatment(treatment)
.ingressPoint(ingress)
.egressPoint(egress)
.constraints(constraints)
.build();
final JsonCodec<PointToPointIntent> intentCodec = context.codec(PointToPointIntent.class);
assertThat(intentCodec, notNullValue());
final ObjectNode intentJson = intentCodec.encode(intent, context);
assertThat(intentJson, matchesIntent(intent));
}
/**
* Reads in a rule from the given resource and decodes it.
*
* @param resourceName resource to use to read the JSON for the rule
* @return decoded flow rule
* @throws IOException if processing the resource fails
*/
private Intent getIntent(String resourceName, JsonCodec intentCodec) throws IOException {
InputStream jsonStream = IntentCodecTest.class.getResourceAsStream(resourceName);
JsonNode json = context.mapper().readTree(jsonStream);
assertThat(json, notNullValue());
Intent intent = (Intent) intentCodec.decode((ObjectNode) json, context);
assertThat(intent, notNullValue());
return intent;
}
/**
* Tests the point to point intent JSON codec.
*
* @throws IOException if JSON processing fails
*/
@Test
public void decodePointToPointIntent() throws IOException {
JsonCodec<Intent> intentCodec = context.codec(Intent.class);
assertThat(intentCodec, notNullValue());
Intent intent = getIntent("PointToPointIntent.json", intentCodec);
assertThat(intent, notNullValue());
assertThat(intent, instanceOf(PointToPointIntent.class));
PointToPointIntent pointIntent = (PointToPointIntent) intent;
assertThat(pointIntent.priority(), is(55));
assertThat(pointIntent.ingressPoint().deviceId(), is(did("0000000000000001")));
assertThat(pointIntent.ingressPoint().port(), is(PortNumber.portNumber(1)));
assertThat(pointIntent.egressPoint().deviceId(), is(did("0000000000000007")));
assertThat(pointIntent.egressPoint().port(), is(PortNumber.portNumber(2)));
assertThat(pointIntent.constraints(), hasSize(1));
assertThat(pointIntent.selector(), notNullValue());
assertThat(pointIntent.selector().criteria(), hasSize(1));
Criterion criterion1 = pointIntent.selector().criteria().iterator().next();
assertThat(criterion1, instanceOf(EthCriterion.class));
EthCriterion ethCriterion = (EthCriterion) criterion1;
assertThat(ethCriterion.mac().toString(), is("11:22:33:44:55:66"));
assertThat(ethCriterion.type().name(), is("ETH_DST"));
assertThat(pointIntent.treatment(), notNullValue());
assertThat(pointIntent.treatment().allInstructions(), hasSize(1));
Instruction instruction1 = pointIntent.treatment().allInstructions().iterator().next();
assertThat(instruction1, instanceOf(ModEtherInstruction.class));
ModEtherInstruction ethInstruction = (ModEtherInstruction) instruction1;
assertThat(ethInstruction.mac().toString(), is("22:33:44:55:66:77"));
assertThat(ethInstruction.type().toString(), is("L2MODIFICATION"));
assertThat(ethInstruction.subtype().toString(), is("ETH_SRC"));
}
/**
* Tests the host to host intent JSON codec.
*
* @throws IOException
*/
@Test
public void decodeHostToHostIntent() throws IOException {
JsonCodec<Intent> intentCodec = context.codec(Intent.class);
assertThat(intentCodec, notNullValue());
Intent intent = getIntent("HostToHostIntent.json", intentCodec);
assertThat(intent, notNullValue());
assertThat(intent, instanceOf(HostToHostIntent.class));
HostToHostIntent hostIntent = (HostToHostIntent) intent;
assertThat(hostIntent.priority(), is(7));
assertThat(hostIntent.constraints(), hasSize(1));
}
}
