| /* |
| * Copyright 2015 Open Networking Laboratory |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.onosproject.net.intent.impl.compiler; |
| |
| import com.google.common.collect.ImmutableList; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.TestApplicationId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.core.IdGenerator; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DefaultLink; |
| import org.onosproject.net.DefaultPath; |
| import org.onosproject.net.EncapsulationType; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.FlowRule; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flow.instructions.Instructions; |
| import org.onosproject.net.flow.instructions.L2ModificationInstruction; |
| import org.onosproject.net.intent.FlowRuleIntent; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentExtensionService; |
| import org.onosproject.net.intent.MockIdGenerator; |
| import org.onosproject.net.intent.PathIntent; |
| import org.onosproject.net.intent.constraint.EncapsulationConstraint; |
| import org.onosproject.net.provider.ProviderId; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.stream.Collectors; |
| |
| import static org.easymock.EasyMock.*; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.hasSize; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.number.OrderingComparison.greaterThan; |
| import static org.onosproject.net.DefaultEdgeLink.createEdgeLink; |
| import static org.onosproject.net.Link.Type.DIRECT; |
| import static org.onosproject.net.NetTestTools.*; |
| |
| /** |
| * Unit tests for PathIntentCompiler. |
| */ |
| public class PathIntentCompilerTest { |
| |
| private CoreService coreService; |
| private IntentExtensionService intentExtensionService; |
| private IdGenerator idGenerator = new MockIdGenerator(); |
| private PathIntentCompiler sut; |
| |
| private final TrafficSelector selector = DefaultTrafficSelector.builder().build(); |
| private final TrafficTreatment treatment = DefaultTrafficTreatment.builder().build(); |
| private final ApplicationId appId = new TestApplicationId("test"); |
| private final ProviderId pid = new ProviderId("of", "test"); |
| private final ConnectPoint d1p1 = connectPoint("s1", 0); |
| private final ConnectPoint d2p0 = connectPoint("s2", 0); |
| private final ConnectPoint d2p1 = connectPoint("s2", 1); |
| private final ConnectPoint d3p1 = connectPoint("s3", 1); |
| private final ConnectPoint d3p0 = connectPoint("s3", 10); |
| private final ConnectPoint d1p0 = connectPoint("s1", 10); |
| private static final int PRIORITY = 555; |
| |
| private final List<Link> links = Arrays.asList( |
| createEdgeLink(d1p0, true), |
| DefaultLink.builder().providerId(PID).src(d1p1).dst(d2p0).type(DIRECT).build(), |
| DefaultLink.builder().providerId(PID).src(d2p1).dst(d3p1).type(DIRECT).build(), |
| createEdgeLink(d3p0, false) |
| ); |
| private final int hops = links.size() - 1; |
| private PathIntent intent; |
| private PathIntent constraintIntent; |
| |
| /** |
| * Configures objects used in all the test cases. |
| */ |
| @Before |
| public void setUp() { |
| sut = new PathIntentCompiler(); |
| coreService = createMock(CoreService.class); |
| expect(coreService.registerApplication("org.onosproject.net.intent")) |
| .andReturn(appId); |
| sut.coreService = coreService; |
| sut.resourceService = new MockResourceService(); |
| |
| Intent.bindIdGenerator(idGenerator); |
| |
| intent = PathIntent.builder() |
| .appId(APP_ID) |
| .selector(selector) |
| .treatment(treatment) |
| .priority(PRIORITY) |
| .path(new DefaultPath(pid, links, hops)) |
| .build(); |
| constraintIntent = PathIntent.builder() |
| .appId(APP_ID) |
| .selector(selector) |
| .treatment(treatment) |
| .priority(PRIORITY) |
| .constraints(ImmutableList.of(new EncapsulationConstraint(EncapsulationType.VLAN))) |
| .path(new DefaultPath(pid, links, hops)) |
| .build(); |
| intentExtensionService = createMock(IntentExtensionService.class); |
| intentExtensionService.registerCompiler(PathIntent.class, sut); |
| intentExtensionService.unregisterCompiler(PathIntent.class); |
| sut.intentManager = intentExtensionService; |
| |
| replay(coreService, intentExtensionService); |
| } |
| |
| /** |
| * Tears down objects used in all the test cases. |
| */ |
| @After |
| public void tearDown() { |
| Intent.unbindIdGenerator(idGenerator); |
| } |
| |
| /** |
| * Tests the compilation behavior of the path intent compiler. |
| */ |
| @Test |
| public void testCompile() { |
| sut.activate(); |
| |
| List<Intent> compiled = sut.compile(intent, Collections.emptyList(), Collections.emptySet()); |
| assertThat(compiled, hasSize(1)); |
| |
| Collection<FlowRule> rules = ((FlowRuleIntent) compiled.get(0)).flowRules(); |
| |
| FlowRule rule1 = rules.stream() |
| .filter(x -> x.deviceId().equals(d1p0.deviceId())) |
| .findFirst() |
| .get(); |
| assertThat(rule1.deviceId(), is(d1p0.deviceId())); |
| assertThat(rule1.selector(), |
| is(DefaultTrafficSelector.builder(selector).matchInPort(d1p0.port()).build())); |
| assertThat(rule1.treatment(), |
| is(DefaultTrafficTreatment.builder().setOutput(d1p1.port()).build())); |
| assertThat(rule1.priority(), is(intent.priority())); |
| |
| FlowRule rule2 = rules.stream() |
| .filter(x -> x.deviceId().equals(d2p0.deviceId())) |
| .findFirst() |
| .get(); |
| assertThat(rule2.deviceId(), is(d2p0.deviceId())); |
| assertThat(rule2.selector(), |
| is(DefaultTrafficSelector.builder(selector).matchInPort(d2p0.port()).build())); |
| assertThat(rule2.treatment(), |
| is(DefaultTrafficTreatment.builder().setOutput(d2p1.port()).build())); |
| assertThat(rule2.priority(), is(intent.priority())); |
| |
| FlowRule rule3 = rules.stream() |
| .filter(x -> x.deviceId().equals(d3p0.deviceId())) |
| .findFirst() |
| .get(); |
| assertThat(rule3.deviceId(), is(d3p1.deviceId())); |
| assertThat(rule3.selector(), |
| is(DefaultTrafficSelector.builder(selector).matchInPort(d3p1.port()).build())); |
| assertThat(rule3.treatment(), |
| is(DefaultTrafficTreatment.builder(treatment).setOutput(d3p0.port()).build())); |
| assertThat(rule3.priority(), is(intent.priority())); |
| |
| sut.deactivate(); |
| } |
| |
| /** |
| * Tests the compilation behavior of the path intent compiler in case of |
| * encasulation costraint {@link EncapsulationConstraint}. |
| */ |
| @Test |
| public void testEncapCompile() { |
| sut.activate(); |
| |
| List<Intent> compiled = sut.compile(constraintIntent, Collections.emptyList(), Collections.emptySet()); |
| assertThat(compiled, hasSize(1)); |
| |
| Collection<FlowRule> rules = ((FlowRuleIntent) compiled.get(0)).flowRules(); |
| assertThat(rules, hasSize(3)); |
| |
| FlowRule rule1 = rules.stream() |
| .filter(x -> x.deviceId().equals(d1p0.deviceId())) |
| .findFirst() |
| .get(); |
| assertThat(rule1.deviceId(), is(d1p0.deviceId())); |
| assertThat(rule1.priority(), is(intent.priority())); |
| verifyEncapSelector(rule1.selector(), d1p0, VlanId.NONE); |
| VlanId vlanToEncap = verifyEncapTreatment(rule1.treatment(), d1p1, true, false); |
| |
| FlowRule rule2 = rules.stream() |
| .filter(x -> x.deviceId().equals(d2p0.deviceId())) |
| .findFirst() |
| .get(); |
| assertThat(rule2.deviceId(), is(d2p0.deviceId())); |
| assertThat(rule2.priority(), is(intent.priority())); |
| verifyEncapSelector(rule2.selector(), d2p0, vlanToEncap); |
| verifyEncapTreatment(rule2.treatment(), d2p1, false, false); |
| |
| FlowRule rule3 = rules.stream() |
| .filter(x -> x.deviceId().equals(d3p0.deviceId())) |
| .findFirst() |
| .get(); |
| assertThat(rule3.deviceId(), is(d3p1.deviceId())); |
| assertThat(rule3.priority(), is(intent.priority())); |
| verifyEncapSelector(rule3.selector(), d3p1, vlanToEncap); |
| verifyEncapTreatment(rule3.treatment(), d3p0, false, true); |
| |
| sut.deactivate(); |
| } |
| |
| |
| private VlanId verifyEncapTreatment(TrafficTreatment trafficTreatment, |
| ConnectPoint egress, boolean isIngress, boolean isEgress) { |
| Set<Instructions.OutputInstruction> ruleOutput = trafficTreatment.allInstructions().stream() |
| .filter(treat -> treat instanceof Instructions.OutputInstruction) |
| .map(treat -> (Instructions.OutputInstruction) treat) |
| .collect(Collectors.toSet()); |
| assertThat(ruleOutput, hasSize(1)); |
| assertThat((ruleOutput.iterator().next()).port(), is(egress.port())); |
| VlanId vlanToEncap = VlanId.NONE; |
| if (isIngress && !isEgress) { |
| Set<L2ModificationInstruction.ModVlanIdInstruction> vlanRules = trafficTreatment.allInstructions().stream() |
| .filter(treat -> treat instanceof L2ModificationInstruction.ModVlanIdInstruction) |
| .map(x -> (L2ModificationInstruction.ModVlanIdInstruction) x) |
| .collect(Collectors.toSet()); |
| assertThat(vlanRules, hasSize(1)); |
| L2ModificationInstruction.ModVlanIdInstruction vlanRule = vlanRules.iterator().next(); |
| assertThat(vlanRule.vlanId().toShort(), greaterThan((short) 0)); |
| vlanToEncap = vlanRule.vlanId(); |
| } else if (!isIngress && !isEgress) { |
| assertThat(trafficTreatment.allInstructions().stream() |
| .filter(treat -> treat instanceof L2ModificationInstruction.ModVlanIdInstruction) |
| .collect(Collectors.toSet()), hasSize(0)); |
| } else { |
| assertThat(trafficTreatment.allInstructions().stream() |
| .filter(treat -> treat instanceof L2ModificationInstruction.ModVlanIdInstruction) |
| .collect(Collectors.toSet()), hasSize(0)); |
| assertThat(trafficTreatment.allInstructions().stream() |
| .filter(treat -> treat instanceof L2ModificationInstruction.PopVlanInstruction) |
| .collect(Collectors.toSet()), hasSize(1)); |
| |
| } |
| |
| return vlanToEncap; |
| |
| } |
| |
| private void verifyEncapSelector(TrafficSelector trafficSelector, ConnectPoint ingress, VlanId vlanToMatch) { |
| |
| is(DefaultTrafficSelector.builder(selector).matchInPort(ingress.port()) |
| .matchVlanId(vlanToMatch).build()); |
| } |
| } |