| package net.onrc.onos.core.intent.runtime; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.hamcrest.Matchers.hasItem; |
| import static org.hamcrest.Matchers.hasSize; |
| import static org.hamcrest.Matchers.not; |
| import static org.hamcrest.Matchers.notNullValue; |
| |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import net.floodlightcontroller.core.module.FloodlightModuleContext; |
| import net.onrc.onos.core.intent.Intent; |
| import net.onrc.onos.core.intent.Intent.IntentState; |
| import net.onrc.onos.core.intent.IntentMap; |
| import net.onrc.onos.core.intent.IntentOperation.Operator; |
| import net.onrc.onos.core.intent.IntentOperationList; |
| import net.onrc.onos.core.intent.ShortestPathIntent; |
| import net.onrc.onos.core.topology.HostEvent; |
| import net.onrc.onos.core.topology.LinkEvent; |
| import net.onrc.onos.core.topology.MastershipEvent; |
| import net.onrc.onos.core.topology.MockTopology; |
| import net.onrc.onos.core.topology.PortEvent; |
| import net.onrc.onos.core.topology.SwitchEvent; |
| import net.onrc.onos.core.topology.TopologyElement; |
| import net.onrc.onos.core.topology.TopologyEvents; |
| import net.onrc.onos.core.util.SwitchPort; |
| |
| import net.onrc.onos.core.util.UnitTest; |
| import org.hamcrest.Description; |
| import org.hamcrest.Factory; |
| import org.hamcrest.Matcher; |
| import org.hamcrest.Matchers; |
| import org.hamcrest.TypeSafeMatcher; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.powermock.core.classloader.annotations.PrepareForTest; |
| import org.powermock.modules.junit4.PowerMockRunner; |
| |
| /** |
| * Unit tests for the Path Calculation Runtime module (PathCalcRuntimeModule). |
| * These test cases check the results of creating paths, deleting paths, and |
| * rerouting paths. The topology, controller registry, and data grid are |
| * mocked out. The individual tests check the high level intents and the |
| * resulting operation lists to be sure they match the intended APIs. |
| */ |
| @RunWith(PowerMockRunner.class) |
| @PrepareForTest(PathCalcRuntimeModule.class) |
| public class PathCalcRuntimeModuleTest extends UnitTest { |
| private static final Long LOCAL_PORT = 0xFFFEL; |
| |
| private IntentTestMocks mocks; |
| private PathCalcRuntimeModule runtime; |
| |
| @Before |
| public void setUp() throws Exception { |
| mocks = new IntentTestMocks(); |
| mocks.setUpIntentMocks(); |
| |
| runtime = new PathCalcRuntimeModule(); |
| final FloodlightModuleContext moduleContext = mocks.getModuleContext(); |
| runtime.init(moduleContext); |
| runtime.startUp(moduleContext); |
| } |
| |
| |
| /** |
| * Hamcrest matcher to check that a collection of Intents contains an |
| * Intent with the specified Intent Id. |
| */ |
| public static class EntryForIntentMatcher extends TypeSafeMatcher<Collection<Intent>> { |
| private final String id; |
| |
| public EntryForIntentMatcher(String idValue) { |
| id = idValue; |
| } |
| |
| @Override |
| public boolean matchesSafely(Collection<Intent> intents) { |
| return hasItem(Matchers.<Intent>hasProperty("id", equalTo(id))).matches(intents); |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText("an intent with id \" "). |
| appendText(id). |
| appendText("\""); |
| } |
| } |
| |
| |
| /** |
| * Factory method to create an Intent entry Matcher. Returns a matcher |
| * for the Intent with the given id. |
| * |
| * @param id id of the intent to match |
| * @return Matcher object |
| */ |
| @Factory |
| public static Matcher<Collection<Intent>> hasIntentWithId(String id) { |
| return new EntryForIntentMatcher(id); |
| } |
| |
| |
| /** |
| * Matcher to determine if an IntentMap contains an entry with a given id, |
| * and that entry has a given state. |
| */ |
| public static class IntentsHaveIntentWithStateMatcher extends TypeSafeMatcher<IntentMap> { |
| private final String id; |
| private final IntentState state; |
| private Intent intent; |
| |
| public IntentsHaveIntentWithStateMatcher(String idValue, |
| IntentState stateValue) { |
| id = idValue; |
| state = stateValue; |
| } |
| |
| @Override |
| public boolean matchesSafely(IntentMap intents) { |
| intent = intents.getIntent(id); |
| |
| return intent != null && intent.getState() == state; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| if (intent == null) { |
| description.appendText("intent lookup for id \""); |
| description.appendText(id); |
| description.appendText("\""); |
| } else { |
| description.appendText("state "); |
| description.appendText(state.toString()); |
| } |
| } |
| |
| @Override |
| public void describeMismatchSafely(IntentMap intents, |
| Description mismatchDescription) { |
| if (intent != null) { |
| mismatchDescription.appendText("was "). |
| appendText(intent.getState().toString()); |
| } else { |
| mismatchDescription.appendText("that intent was not found"); |
| } |
| } |
| } |
| |
| |
| /** |
| * Factory method to create a Matcher for an IntentMap that looks for an |
| * Intent with a given id and state. |
| * |
| * @param id id of the Intent to match |
| * @param state if the Intent is found, its state must match this |
| * @return Matcher object |
| */ |
| @Factory |
| public static Matcher<IntentMap> hasIntentWithIdAndState(String id, |
| IntentState state) { |
| return new IntentsHaveIntentWithStateMatcher(id, state); |
| } |
| |
| |
| @After |
| public void tearDown() { |
| mocks.tearDownIntentMocks(); |
| } |
| |
| private static final String BAD_SWITCH_INTENT_NAME = "No Such Switch Intent"; |
| |
| /** |
| * Test the result of executing a path calculation on an |
| * Intent Operation List which contains a path that references a |
| * non-existent switch. |
| * <p/> |
| * A 3 path list is created where one of the paths references a switch |
| * that is not in the topology. The test checks that the resulting |
| * Operation List has entries for the 2 correct paths, and that the |
| * high level intents contain a proper error entry for the bad path. |
| */ |
| @Test |
| public void testInvalidSwitchName() { |
| |
| // create shortest path intents |
| final IntentOperationList opList = new IntentOperationList(); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent(BAD_SWITCH_INTENT_NAME, 111L, 12L, |
| LOCAL_PORT, 2L, 21L, LOCAL_PORT)); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("2", 1L, 14L, LOCAL_PORT, 4L, 41L, |
| LOCAL_PORT)); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("3", 2L, 23L, LOCAL_PORT, 3L, 32L, |
| LOCAL_PORT)); |
| |
| // compile high-level intent operations into low-level intent |
| // operations (calculate paths) |
| final IntentOperationList pathIntentOpList = |
| runtime.executeIntentOperations(opList); |
| assertThat(pathIntentOpList, notNullValue()); |
| |
| final IntentMap highLevelIntents = runtime.getHighLevelIntents(); |
| assertThat(highLevelIntents, notNullValue()); |
| |
| final Collection<Intent> allIntents = highLevelIntents.getAllIntents(); |
| assertThat(allIntents, notNullValue()); |
| |
| // One intent had an error and should not create a path list entry |
| assertThat(pathIntentOpList, hasSize(opList.size() - 1)); |
| |
| // Should be a high level intent for each operation |
| assertThat(allIntents, hasSize(opList.size())); |
| |
| // Check that we got a high level intent for each operation |
| assertThat(allIntents, hasIntentWithId("3")); |
| assertThat(allIntents, hasIntentWithId("2")); |
| assertThat(allIntents, hasIntentWithId(BAD_SWITCH_INTENT_NAME)); |
| |
| // Check that the non existent switch was NACKed |
| assertThat(highLevelIntents, hasIntentWithIdAndState(BAD_SWITCH_INTENT_NAME, IntentState.INST_NACK)); |
| |
| // Check that switch 2 was correctly processed |
| assertThat(highLevelIntents, hasIntentWithIdAndState("2", IntentState.INST_REQ)); |
| |
| // Check that switch 3 was correctly processed |
| assertThat(highLevelIntents, hasIntentWithIdAndState("3", IntentState.INST_REQ)); |
| |
| } |
| |
| |
| /** |
| * Test the result of executing a path calculation on an |
| * Intent Operation List and then removing one of the switches. |
| * <p/> |
| * A 3 path list is created and then one of the paths is removed. |
| * The test checks that the resulting Operation List is correct, |
| * and that the high level intents contain a proper "delete requested" |
| * entry for the deleted path. |
| */ |
| @Test |
| public void testIntentRemoval() { |
| // create shortest path intents |
| final IntentOperationList opList = new IntentOperationList(); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("1", 1L, 12L, LOCAL_PORT, 2L, 21L, |
| LOCAL_PORT)); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("2", 1L, 14L, LOCAL_PORT, 4L, 41L, |
| LOCAL_PORT)); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("3", 2L, 23L, LOCAL_PORT, 3L, 32L, |
| LOCAL_PORT)); |
| |
| // compile high-level intent operations into low-level intent |
| // operations (calculate paths) |
| final IntentOperationList pathIntentOpList = |
| runtime.executeIntentOperations(opList); |
| assertThat(pathIntentOpList, notNullValue()); |
| |
| final IntentMap highLevelIntents = runtime.getHighLevelIntents(); |
| assertThat(highLevelIntents, notNullValue()); |
| |
| final Collection<Intent> allIntents = highLevelIntents.getAllIntents(); |
| assertThat(allIntents, notNullValue()); |
| |
| // Should be one operation per path |
| assertThat(pathIntentOpList, hasSize(opList.size())); |
| |
| // Should be a high level intent for each operation |
| assertThat(allIntents, hasSize(opList.size())); |
| |
| // Check that we got a high level intent for each operation |
| assertThat(allIntents, hasIntentWithId("3")); |
| assertThat(allIntents, hasIntentWithId("2")); |
| assertThat(allIntents, hasIntentWithId("1")); |
| |
| // Check that switch 1 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("1", IntentState.INST_REQ)); |
| |
| // Check that switch 2 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("2", IntentState.INST_REQ)); |
| |
| // Check that switch 3 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("3", IntentState.INST_REQ)); |
| |
| // Now delete one path and check the results |
| final IntentOperationList opListForRemoval = new IntentOperationList(); |
| opListForRemoval.add(Operator.REMOVE, |
| new ShortestPathIntent("1", 1L, 12L, LOCAL_PORT, 2L, 21L, |
| LOCAL_PORT)); |
| |
| final IntentOperationList pathIntentOpListAfterRemoval = |
| runtime.executeIntentOperations(opListForRemoval); |
| assertThat(pathIntentOpListAfterRemoval, notNullValue()); |
| assertThat(pathIntentOpListAfterRemoval, hasSize(1)); |
| |
| // Check the high level intents. |
| final IntentMap highLevelIntentsAfterRemoval = runtime.getHighLevelIntents(); |
| assertThat(highLevelIntentsAfterRemoval, notNullValue()); |
| |
| final Collection<Intent> allIntentsAfterRemoval = highLevelIntentsAfterRemoval.getAllIntents(); |
| assertThat(allIntentsAfterRemoval, notNullValue()); |
| assertThat(allIntentsAfterRemoval, hasSize(3)); |
| |
| // Check that we got a high level intent for each operation |
| assertThat(allIntentsAfterRemoval, hasIntentWithId("3")); |
| assertThat(allIntentsAfterRemoval, hasIntentWithId("2")); |
| assertThat(allIntentsAfterRemoval, hasIntentWithId("1")); |
| |
| // Check the states of the high level intents |
| // Check that switch 1 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("1", IntentState.DEL_REQ)); |
| |
| // Check that switch 2 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("2", IntentState.INST_REQ)); |
| |
| // Check that switch 3 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("3", IntentState.INST_REQ)); |
| } |
| |
| // CHECKSTYLE:OFF method too long |
| /** |
| * Test the result of executing a path calculation on an |
| * Intent Operation List and then forcing a reroute. |
| * <p/> |
| * A 3 path list is created and then one of the links is removed. |
| * The test checks that the resulting Operation List is correct, |
| * and that the high level intents contain a proper "reroute requested" |
| * entry for the deleted link. |
| */ |
| @Test |
| public void testIntentReroute() { |
| // create shortest path intents |
| final IntentOperationList opList = new IntentOperationList(); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("1", 1L, 12L, LOCAL_PORT, 2L, 21L, |
| LOCAL_PORT)); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("2", 1L, 14L, LOCAL_PORT, 4L, 41L, |
| LOCAL_PORT)); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("3", 2L, 23L, LOCAL_PORT, 3L, 32L, |
| LOCAL_PORT)); |
| |
| // compile high-level intent operations into low-level intent |
| // operations (calculate paths) |
| final IntentOperationList pathIntentOpList = |
| runtime.executeIntentOperations(opList); |
| assertThat(pathIntentOpList, notNullValue()); |
| |
| final IntentMap highLevelIntents = runtime.getHighLevelIntents(); |
| assertThat(highLevelIntents, notNullValue()); |
| |
| final Collection<Intent> allIntents = highLevelIntents.getAllIntents(); |
| assertThat(allIntents, notNullValue()); |
| |
| // Should be one operation per path |
| assertThat(pathIntentOpList, hasSize(opList.size())); |
| |
| // Should be a high level intent for each operation |
| assertThat(allIntents, hasSize(opList.size())); |
| |
| // Check that we got a high level intent for each operation |
| assertThat(allIntents, hasIntentWithId("3")); |
| assertThat(allIntents, hasIntentWithId("2")); |
| assertThat(allIntents, hasIntentWithId("1")); |
| |
| // Check that the high level intent 1 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("1", IntentState.INST_REQ)); |
| |
| // Check that the high level intent 2 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("2", IntentState.INST_REQ)); |
| |
| // Check that the high level intent 3 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("3", IntentState.INST_REQ)); |
| |
| final IntentMap pathIntents = runtime.getPathIntents(); |
| assertThat(pathIntents, notNullValue()); |
| |
| final Collection<Intent> allPathIntents = pathIntents.getAllIntents(); |
| assertThat(allPathIntents, notNullValue()); |
| |
| // Check that we got a low level intent for each operation |
| assertThat(allPathIntents, hasIntentWithId("3___0")); |
| assertThat(allPathIntents, hasIntentWithId("2___0")); |
| assertThat(allPathIntents, hasIntentWithId("1___0")); |
| |
| // Check that the low level intent 1 was correctly processed |
| assertThat(pathIntents, |
| hasIntentWithIdAndState("1___0", IntentState.INST_REQ)); |
| |
| // Check that the low level intent 2 was correctly processed |
| assertThat(pathIntents, |
| hasIntentWithIdAndState("2___0", IntentState.INST_REQ)); |
| |
| // Check that the low level intent 3 was correctly processed |
| assertThat(pathIntents, |
| hasIntentWithIdAndState("3___0", IntentState.INST_REQ)); |
| |
| // Receive notification from south-bound |
| IntentStateList isl = new IntentStateList(); |
| isl.put("1___0", IntentState.INST_ACK); |
| isl.put("2___0", IntentState.INST_ACK); |
| isl.put("3___0", IntentState.INST_ACK); |
| isl.domainSwitchDpids.add(1L); |
| isl.domainSwitchDpids.add(2L); |
| isl.domainSwitchDpids.add(3L); |
| isl.domainSwitchDpids.add(4L); |
| runtime.entryUpdated(isl); |
| |
| // Now check the results |
| final IntentMap processedHighLevelIntents = runtime.getHighLevelIntents(); |
| assertThat(processedHighLevelIntents, notNullValue()); |
| |
| // Check that the high level intent 1 was correctly processed |
| assertThat(processedHighLevelIntents, |
| hasIntentWithIdAndState("1", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 2 was correctly processed |
| assertThat(processedHighLevelIntents, |
| hasIntentWithIdAndState("2", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 3 was correctly processed |
| assertThat(processedHighLevelIntents, |
| hasIntentWithIdAndState("3", IntentState.INST_ACK)); |
| |
| final IntentMap processedPathIntents = runtime.getPathIntents(); |
| assertThat(processedPathIntents, notNullValue()); |
| |
| // Check that the low level intent 1 was correctly processed |
| assertThat(processedPathIntents, |
| hasIntentWithIdAndState("1___0", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 2 was correctly processed |
| assertThat(processedPathIntents, |
| hasIntentWithIdAndState("2___0", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 3 was correctly processed |
| assertThat(processedPathIntents, |
| hasIntentWithIdAndState("3___0", IntentState.INST_ACK)); |
| |
| // Remove one of the links and check results |
| final List<MastershipEvent> emptyMastershipEvents = new LinkedList<>(); |
| final List<SwitchEvent> emptySwitchEvents = new LinkedList<>(); |
| final List<PortEvent> emptyPortEvents = new LinkedList<>(); |
| final List<HostEvent> emptyHostEvents = new LinkedList<>(); |
| final List<LinkEvent> addedLinkEvents = new LinkedList<>(); |
| final List<LinkEvent> removedLinkEvents = new LinkedList<>(); |
| TopologyEvents topologyEvents; |
| |
| final MockTopology topology = mocks.getTopology(); |
| topology.removeLink(1L, 12L, 2L, 21L); // This link is used by the intent "1" |
| topology.removeLink(2L, 21L, 1L, 12L); |
| LinkEvent linkEvent1 = new LinkEvent(new SwitchPort(1L, 12L), new SwitchPort(2L, 21L)); |
| LinkEvent linkEvent2 = new LinkEvent(new SwitchPort(2L, 21L), new SwitchPort(1L, 12L)); |
| linkEvent1.createStringAttribute(TopologyElement.TYPE, TopologyElement.TYPE_PACKET_LAYER); |
| linkEvent2.createStringAttribute(TopologyElement.TYPE, TopologyElement.TYPE_PACKET_LAYER); |
| removedLinkEvents.add(linkEvent1); |
| removedLinkEvents.add(linkEvent2); |
| |
| topologyEvents = new TopologyEvents(emptyMastershipEvents, |
| emptyMastershipEvents, |
| emptySwitchEvents, |
| emptySwitchEvents, |
| emptyPortEvents, |
| emptyPortEvents, |
| addedLinkEvents, |
| removedLinkEvents, |
| emptyHostEvents, |
| emptyHostEvents); |
| |
| runtime.topologyEvents(topologyEvents); |
| |
| // Check the high level intents. |
| final IntentMap highLevelIntentsAfterReroute = runtime.getHighLevelIntents(); |
| assertThat(highLevelIntentsAfterReroute, notNullValue()); |
| |
| // Check the states of the high level intents |
| // Check that the high level intent 1 was correctly processed |
| assertThat(highLevelIntentsAfterReroute, |
| hasIntentWithIdAndState("1", IntentState.REROUTE_REQ)); |
| |
| // Check that the high level intent 2 was not affected |
| assertThat(highLevelIntentsAfterReroute, |
| hasIntentWithIdAndState("2", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 3 was not affected |
| assertThat(highLevelIntentsAfterReroute, |
| hasIntentWithIdAndState("3", IntentState.INST_ACK)); |
| |
| final IntentMap pathIntentsAfterReroute = runtime.getPathIntents(); |
| assertThat(pathIntentsAfterReroute, notNullValue()); |
| |
| // Check that the low level intent 1 was correctly processed |
| assertThat(pathIntentsAfterReroute, |
| hasIntentWithIdAndState("1___0", IntentState.DEL_REQ)); |
| assertThat(pathIntentsAfterReroute, |
| hasIntentWithIdAndState("1___1", IntentState.INST_REQ)); |
| |
| // Check that the low level intent 2 was not affected |
| assertThat(pathIntentsAfterReroute, |
| hasIntentWithIdAndState("2___0", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 3 was not affected |
| assertThat(pathIntentsAfterReroute, |
| hasIntentWithIdAndState("3___0", IntentState.INST_ACK)); |
| |
| // Receive notification from south-bound |
| isl = new IntentStateList(); |
| isl.put("1___0", IntentState.DEL_ACK); |
| isl.put("1___1", IntentState.INST_ACK); |
| isl.domainSwitchDpids.add(1L); |
| isl.domainSwitchDpids.add(2L); |
| isl.domainSwitchDpids.add(4L); |
| runtime.entryUpdated(isl); |
| |
| // Now check the results |
| final IntentMap reroutedHighLevelIntents = runtime.getHighLevelIntents(); |
| assertThat(reroutedHighLevelIntents, notNullValue()); |
| |
| // Check that the high level intent 1 was correctly processed |
| assertThat(reroutedHighLevelIntents, |
| hasIntentWithIdAndState("1", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 2 was not affected |
| assertThat(reroutedHighLevelIntents, |
| hasIntentWithIdAndState("2", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 3 was not affected |
| assertThat(reroutedHighLevelIntents, |
| hasIntentWithIdAndState("3", IntentState.INST_ACK)); |
| |
| final IntentMap reroutedPathIntents = runtime.getPathIntents(); |
| assertThat(processedPathIntents, notNullValue()); |
| |
| // Check that the low level intent 1 was correctly processed |
| assertThat(reroutedPathIntents.getAllIntents(), |
| not(hasIntentWithId("1___0"))); |
| assertThat(reroutedPathIntents, |
| hasIntentWithIdAndState("1___1", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 2 was not affected |
| assertThat(reroutedPathIntents, |
| hasIntentWithIdAndState("2___0", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 3 was not affected |
| assertThat(reroutedPathIntents, |
| hasIntentWithIdAndState("3___0", IntentState.INST_ACK)); |
| } |
| |
| /** |
| * Test the result of executing a path calculation on an |
| * Intent Operation List and then forcing a reroute and |
| * an interrupt of a topology change event while the reroute |
| * is processed. |
| * <p/> |
| * A 3 path list is created, one of the links is removed, then |
| * the removed link is restored. |
| * The test checks that if the high level intent was marked |
| * as stale when a topology changed event was received while |
| * processing reroute then the stale high level intent is executed |
| * once again after completion of its reroute. |
| */ |
| @Test |
| public void testIntentRerouteWithTopologyEventInterrupt() { |
| |
| // create shortest path intents |
| final IntentOperationList opList = new IntentOperationList(); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("1", 1L, 12L, LOCAL_PORT, 2L, 21L, |
| LOCAL_PORT)); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("2", 1L, 14L, LOCAL_PORT, 4L, 41L, |
| LOCAL_PORT)); |
| opList.add(Operator.ADD, |
| new ShortestPathIntent("3", 2L, 23L, LOCAL_PORT, 3L, 32L, |
| LOCAL_PORT)); |
| |
| // compile high-level intent operations into low-level intent |
| // operations (calculate paths) |
| final IntentOperationList pathIntentOpList = |
| runtime.executeIntentOperations(opList); |
| assertThat(pathIntentOpList, notNullValue()); |
| |
| final IntentMap highLevelIntents = runtime.getHighLevelIntents(); |
| assertThat(highLevelIntents, notNullValue()); |
| |
| final Collection<Intent> allIntents = highLevelIntents.getAllIntents(); |
| assertThat(allIntents, notNullValue()); |
| |
| // Should be one operation per path |
| assertThat(pathIntentOpList, hasSize(opList.size())); |
| |
| // Should be a high level intent for each operation |
| assertThat(allIntents, hasSize(opList.size())); |
| |
| // Check that we got a high level intent for each operation |
| assertThat(allIntents, hasIntentWithId("3")); |
| assertThat(allIntents, hasIntentWithId("2")); |
| assertThat(allIntents, hasIntentWithId("1")); |
| |
| // Check that the high level intent 1 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("1", IntentState.INST_REQ)); |
| |
| // Check that the high level intent 2 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("2", IntentState.INST_REQ)); |
| |
| // Check that the high level intent 3 was correctly processed |
| assertThat(highLevelIntents, |
| hasIntentWithIdAndState("3", IntentState.INST_REQ)); |
| |
| final IntentMap pathIntents = runtime.getPathIntents(); |
| assertThat(pathIntents, notNullValue()); |
| |
| final Collection<Intent> allPathIntents = pathIntents.getAllIntents(); |
| assertThat(allPathIntents, notNullValue()); |
| |
| // Check that we got a low level intent for each operation |
| assertThat(allPathIntents, hasIntentWithId("3___0")); |
| assertThat(allPathIntents, hasIntentWithId("2___0")); |
| assertThat(allPathIntents, hasIntentWithId("1___0")); |
| |
| // Check that the low level intent 1 was correctly processed |
| assertThat(pathIntents, |
| hasIntentWithIdAndState("1___0", IntentState.INST_REQ)); |
| |
| // Check that the low level intent 2 was correctly processed |
| assertThat(pathIntents, |
| hasIntentWithIdAndState("2___0", IntentState.INST_REQ)); |
| |
| // Check that the low level intent 3 was correctly processed |
| assertThat(pathIntents, |
| hasIntentWithIdAndState("3___0", IntentState.INST_REQ)); |
| |
| // Receive notification from south-bound |
| IntentStateList isl = new IntentStateList(); |
| isl.put("1___0", IntentState.INST_ACK); |
| isl.put("2___0", IntentState.INST_ACK); |
| isl.put("3___0", IntentState.INST_ACK); |
| isl.domainSwitchDpids.add(1L); |
| isl.domainSwitchDpids.add(2L); |
| isl.domainSwitchDpids.add(3L); |
| isl.domainSwitchDpids.add(4L); |
| runtime.entryUpdated(isl); |
| |
| // Now check the results |
| final IntentMap processedHighLevelIntents = runtime.getHighLevelIntents(); |
| assertThat(processedHighLevelIntents, notNullValue()); |
| |
| // Check that the high level intent 1 was correctly processed |
| assertThat(processedHighLevelIntents, |
| hasIntentWithIdAndState("1", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 2 was correctly processed |
| assertThat(processedHighLevelIntents, |
| hasIntentWithIdAndState("2", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 3 was correctly processed |
| assertThat(processedHighLevelIntents, |
| hasIntentWithIdAndState("3", IntentState.INST_ACK)); |
| |
| final IntentMap processedPathIntents = runtime.getPathIntents(); |
| assertThat(processedPathIntents, notNullValue()); |
| |
| // Check that the low level intent 1 was correctly processed |
| assertThat(processedPathIntents, |
| hasIntentWithIdAndState("1___0", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 2 was correctly processed |
| assertThat(processedPathIntents, |
| hasIntentWithIdAndState("2___0", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 3 was correctly processed |
| assertThat(processedPathIntents, |
| hasIntentWithIdAndState("3___0", IntentState.INST_ACK)); |
| |
| |
| // Remove one of the links and check results |
| final List<MastershipEvent> emptyMastershipEvents = new LinkedList<>(); |
| final List<SwitchEvent> emptySwitchEvents = new LinkedList<>(); |
| final List<PortEvent> emptyPortEvents = new LinkedList<>(); |
| final List<HostEvent> emptyHostEvents = new LinkedList<>(); |
| final List<LinkEvent> addedLinkEvents = new LinkedList<>(); |
| final List<LinkEvent> removedLinkEvents = new LinkedList<>(); |
| TopologyEvents topologyEvents; |
| |
| final MockTopology topology = mocks.getTopology(); |
| topology.removeLink(1L, 12L, 2L, 21L); // This link is used by the intent "1" |
| topology.removeLink(2L, 21L, 1L, 12L); |
| final LinkEvent linkEvent1 = new LinkEvent(new SwitchPort(1L, 12L), new SwitchPort(2L, 21L)); |
| final LinkEvent linkEvent2 = new LinkEvent(new SwitchPort(2L, 21L), new SwitchPort(1L, 12L)); |
| linkEvent1.createStringAttribute(TopologyElement.TYPE, TopologyElement.TYPE_PACKET_LAYER); |
| linkEvent2.createStringAttribute(TopologyElement.TYPE, TopologyElement.TYPE_PACKET_LAYER); |
| removedLinkEvents.add(linkEvent1); |
| removedLinkEvents.add(linkEvent2); |
| |
| topologyEvents = new TopologyEvents(emptyMastershipEvents, |
| emptyMastershipEvents, |
| emptySwitchEvents, |
| emptySwitchEvents, |
| emptyPortEvents, |
| emptyPortEvents, |
| addedLinkEvents, |
| removedLinkEvents, |
| emptyHostEvents, |
| emptyHostEvents); |
| |
| runtime.topologyEvents(topologyEvents); |
| |
| // Check the high level intents. |
| final IntentMap highLevelIntentsAfterReroute = runtime.getHighLevelIntents(); |
| assertThat(highLevelIntentsAfterReroute, notNullValue()); |
| |
| // Check the states of the high level intents |
| // Check that the high level intent 1 was correctly processed |
| assertThat(highLevelIntentsAfterReroute, |
| hasIntentWithIdAndState("1", IntentState.REROUTE_REQ)); |
| |
| // Check that the high level intent 2 was not affected |
| assertThat(highLevelIntentsAfterReroute, |
| hasIntentWithIdAndState("2", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 3 was not affected |
| assertThat(highLevelIntentsAfterReroute, |
| hasIntentWithIdAndState("3", IntentState.INST_ACK)); |
| |
| final IntentMap pathIntentsAfterReroute = runtime.getPathIntents(); |
| assertThat(pathIntentsAfterReroute, notNullValue()); |
| |
| // Check that the low level intent 1 was correctly processed |
| assertThat(pathIntentsAfterReroute, |
| hasIntentWithIdAndState("1___0", IntentState.DEL_REQ)); |
| assertThat(pathIntentsAfterReroute, |
| hasIntentWithIdAndState("1___1", IntentState.INST_REQ)); |
| |
| // Check that the low level intent 2 was not affected |
| assertThat(pathIntentsAfterReroute, |
| hasIntentWithIdAndState("2___0", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 3 was not affected |
| assertThat(pathIntentsAfterReroute, |
| hasIntentWithIdAndState("3___0", IntentState.INST_ACK)); |
| |
| // Interrupt by topology changed event while the reroute |
| removedLinkEvents.clear(); |
| addedLinkEvents.clear(); |
| topology.addBidirectionalLinks(1L, 12L, 2L, 21L); // Restoration of the failure |
| addedLinkEvents.add(linkEvent1); |
| addedLinkEvents.add(linkEvent2); |
| |
| topologyEvents = new TopologyEvents(emptyMastershipEvents, |
| emptyMastershipEvents, |
| emptySwitchEvents, |
| emptySwitchEvents, |
| emptyPortEvents, |
| emptyPortEvents, |
| addedLinkEvents, |
| removedLinkEvents, |
| emptyHostEvents, |
| emptyHostEvents); |
| |
| runtime.topologyEvents(topologyEvents); |
| |
| // Check the high level intents. |
| final IntentMap highLevelIntentsAfterInterrupt = runtime.getHighLevelIntents(); |
| assertThat(highLevelIntentsAfterInterrupt, notNullValue()); |
| |
| // Check the states of the high level intents |
| // Check that the high level intent 1 was not affected |
| assertThat(highLevelIntentsAfterInterrupt, |
| hasIntentWithIdAndState("1", IntentState.REROUTE_REQ)); |
| |
| final IntentMap pathIntentsAfterInterrupt = runtime.getPathIntents(); |
| assertThat(pathIntentsAfterInterrupt, notNullValue()); |
| |
| // Check that the low level intent 1 was not affected |
| assertThat(pathIntentsAfterInterrupt, |
| hasIntentWithIdAndState("1___0", IntentState.DEL_REQ)); |
| assertThat(pathIntentsAfterInterrupt, |
| hasIntentWithIdAndState("1___1", IntentState.INST_REQ)); |
| |
| // Receive notification from south-bound |
| isl = new IntentStateList(); |
| isl.put("1___0", IntentState.DEL_ACK); |
| isl.put("1___1", IntentState.INST_ACK); |
| isl.domainSwitchDpids.add(1L); |
| isl.domainSwitchDpids.add(2L); |
| isl.domainSwitchDpids.add(4L); |
| runtime.entryUpdated(isl); |
| |
| // Now check the results |
| final IntentMap reroutedHighLevelIntents = runtime.getHighLevelIntents(); |
| assertThat(reroutedHighLevelIntents, notNullValue()); |
| |
| // Check that the high level intent 1 was correctly processed |
| // It should be rerouted once again |
| assertThat(reroutedHighLevelIntents, |
| hasIntentWithIdAndState("1", IntentState.REROUTE_REQ)); |
| |
| // Check that the high level intent 2 was not affected |
| assertThat(reroutedHighLevelIntents, |
| hasIntentWithIdAndState("2", IntentState.INST_ACK)); |
| |
| // Check that the high level intent 3 was not affected |
| assertThat(reroutedHighLevelIntents, |
| hasIntentWithIdAndState("3", IntentState.INST_ACK)); |
| |
| final IntentMap reroutedPathIntents = runtime.getPathIntents(); |
| assertThat(processedPathIntents, notNullValue()); |
| |
| // Check that the low level intent 1 was correctly processed |
| assertThat(reroutedPathIntents.getAllIntents(), |
| not(hasIntentWithId("1___0"))); |
| assertThat(reroutedPathIntents, |
| hasIntentWithIdAndState("1___1", IntentState.DEL_REQ)); |
| assertThat(reroutedPathIntents, |
| hasIntentWithIdAndState("1___2", IntentState.INST_REQ)); |
| |
| // Check that the low level intent 2 was not affected |
| assertThat(reroutedPathIntents, |
| hasIntentWithIdAndState("2___0", IntentState.INST_ACK)); |
| |
| // Check that the low level intent 3 was not affected |
| assertThat(reroutedPathIntents, |
| hasIntentWithIdAndState("3___0", IntentState.INST_ACK)); |
| } |
| // CHECKSTYLE:ON method too long |
| |
| } |