| /* |
| * Copyright 2015-present 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.openflow.controller.impl; |
| |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| import java.util.List; |
| import java.util.Spliterator; |
| import java.util.Spliterators; |
| import java.util.stream.Stream; |
| import java.util.stream.StreamSupport; |
| |
| import org.easymock.EasyMock; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onosproject.cfg.ComponentConfigService; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.device.DeviceServiceAdapter; |
| import org.onosproject.openflow.OpenflowSwitchDriverAdapter; |
| import org.onosproject.openflow.controller.Dpid; |
| import org.onosproject.openflow.controller.OpenFlowSwitch; |
| import org.onosproject.openflow.controller.OpenFlowSwitchListener; |
| import org.onosproject.openflow.controller.RoleState; |
| import org.osgi.service.component.ComponentContext; |
| import org.projectfloodlight.openflow.protocol.OFPortStatus; |
| |
| import com.google.common.collect.ImmutableSet; |
| |
| import static junit.framework.TestCase.fail; |
| import static org.easymock.EasyMock.anyObject; |
| import static org.easymock.EasyMock.expect; |
| import static org.easymock.EasyMock.expectLastCall; |
| import static org.easymock.EasyMock.replay; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.hasItems; |
| import static org.hamcrest.Matchers.hasSize; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.nullValue; |
| |
| /** |
| * Unit tests for the open flow controller implementation test. |
| */ |
| public class OpenFlowControllerImplTest { |
| |
| /** |
| * Let system pick ephemeral port. |
| * |
| * @see InetSocketAddress#InetSocketAddress(int) |
| */ |
| private static final int EPHEMERAL_PORT = 0; |
| |
| OpenFlowSwitch switch1; |
| Dpid dpid1; |
| OpenFlowSwitch switch2; |
| Dpid dpid2; |
| OpenFlowSwitch switch3; |
| Dpid dpid3; |
| |
| OpenFlowControllerImpl controller; |
| OpenFlowControllerImpl.OpenFlowSwitchAgent agent; |
| TestSwitchListener switchListener; |
| |
| /** |
| * Test harness for a switch listener. |
| */ |
| static class TestSwitchListener implements OpenFlowSwitchListener { |
| final List<Dpid> removedDpids = new ArrayList<>(); |
| final List<Dpid> addedDpids = new ArrayList<>(); |
| final List<Dpid> changedDpids = new ArrayList<>(); |
| |
| @Override |
| public void switchAdded(Dpid dpid) { |
| addedDpids.add(dpid); |
| } |
| |
| @Override |
| public void switchRemoved(Dpid dpid) { |
| removedDpids.add(dpid); |
| } |
| |
| @Override |
| public void switchChanged(Dpid dpid) { |
| changedDpids.add(dpid); |
| } |
| |
| @Override |
| public void portChanged(Dpid dpid, OFPortStatus status) { |
| // Stub |
| } |
| |
| @Override |
| public void receivedRoleReply(Dpid dpid, RoleState requested, RoleState response) { |
| // Stub |
| } |
| } |
| |
| |
| /** |
| * Sets up switches to use as data, mocks and launches a controller instance. |
| */ |
| @Before |
| public void setUp() { |
| try { |
| switch1 = new OpenflowSwitchDriverAdapter(); |
| dpid1 = Dpid.dpid(new URI("of:0000000000000111")); |
| switch2 = new OpenflowSwitchDriverAdapter(); |
| dpid2 = Dpid.dpid(new URI("of:0000000000000222")); |
| switch3 = new OpenflowSwitchDriverAdapter(); |
| dpid3 = Dpid.dpid(new URI("of:0000000000000333")); |
| } catch (URISyntaxException ex) { |
| // Does not happen |
| fail(); |
| } |
| |
| controller = new OpenFlowControllerImpl(); |
| agent = controller.agent; |
| |
| switchListener = new TestSwitchListener(); |
| controller.addListener(switchListener); |
| |
| CoreService mockCoreService = |
| EasyMock.createMock(CoreService.class); |
| controller.coreService = mockCoreService; |
| |
| ComponentConfigService mockConfigService = |
| EasyMock.createMock(ComponentConfigService.class); |
| expect(mockConfigService.getProperties(anyObject())).andReturn(ImmutableSet.of()); |
| mockConfigService.registerProperties(controller.getClass()); |
| expectLastCall(); |
| mockConfigService.unregisterProperties(controller.getClass(), false); |
| expectLastCall(); |
| expect(mockConfigService.getProperties(anyObject())).andReturn(ImmutableSet.of()); |
| controller.cfgService = mockConfigService; |
| replay(mockConfigService); |
| |
| controller.deviceService = new DeviceServiceAdapter(); |
| |
| ComponentContext mockContext = EasyMock.createMock(ComponentContext.class); |
| Dictionary<String, Object> properties = new Hashtable<>(); |
| properties.put("openflowPorts", |
| Integer.toString(EPHEMERAL_PORT)); |
| expect(mockContext.getProperties()).andReturn(properties); |
| replay(mockContext); |
| controller.activate(mockContext); |
| } |
| |
| @After |
| public void tearDown() { |
| controller.removeListener(switchListener); |
| controller.deactivate(); |
| } |
| |
| /** |
| * Converts an Iterable of some type into a stream of that type. |
| * |
| * @param items Iterable of objects |
| * @param <T> type of the items in the iterable |
| * @return stream of objects of type T |
| */ |
| private <T> Stream<T> makeIntoStream(Iterable<T> items) { |
| return StreamSupport.stream( |
| Spliterators.spliteratorUnknownSize( |
| items.iterator(), Spliterator.ORDERED), false); |
| } |
| |
| |
| /** |
| * Tests adding and removing connected switches. |
| */ |
| @Test |
| public void testAddRemoveConnectedSwitch() { |
| |
| // test adding connected switches |
| boolean addSwitch1 = agent.addConnectedSwitch(dpid1, switch1); |
| assertThat(addSwitch1, is(true)); |
| boolean addSwitch2 = agent.addConnectedSwitch(dpid2, switch2); |
| assertThat(addSwitch2, is(true)); |
| boolean addSwitch3 = agent.addConnectedSwitch(dpid3, switch3); |
| assertThat(addSwitch3, is(true)); |
| |
| // Make sure the listener add callbacks fired |
| assertThat(switchListener.addedDpids, hasSize(3)); |
| assertThat(switchListener.addedDpids, hasItems(dpid1, dpid2, dpid3)); |
| |
| // Test adding a switch twice - it should fail |
| boolean addBadSwitch1 = agent.addConnectedSwitch(dpid1, switch1); |
| assertThat(addBadSwitch1, is(false)); |
| |
| assertThat(controller.connectedSwitches.size(), is(3)); |
| |
| // test querying the switch list |
| Stream<OpenFlowSwitch> fetchedSwitches = |
| makeIntoStream(controller.getSwitches()); |
| long switchCount = fetchedSwitches.count(); |
| assertThat(switchCount, is(3L)); |
| |
| // test querying the individual switch |
| OpenFlowSwitch queriedSwitch = controller.getSwitch(dpid1); |
| assertThat(queriedSwitch, is(switch1)); |
| |
| // Remove a switch |
| agent.removeConnectedSwitch(dpid3); |
| Stream<OpenFlowSwitch> fetchedSwitchesAfterRemove = |
| makeIntoStream(controller.getSwitches()); |
| long switchCountAfterRemove = fetchedSwitchesAfterRemove.count(); |
| assertThat(switchCountAfterRemove, is(2L)); |
| |
| // Make sure the listener delete callbacks fired |
| assertThat(switchListener.removedDpids, hasSize(1)); |
| assertThat(switchListener.removedDpids, hasItems(dpid3)); |
| |
| // test querying the removed switch |
| OpenFlowSwitch queriedSwitchAfterRemove = controller.getSwitch(dpid3); |
| assertThat(queriedSwitchAfterRemove, nullValue()); |
| } |
| |
| /** |
| * Tests adding master switches. |
| */ |
| @Test |
| public void testMasterSwitch() { |
| agent.addConnectedSwitch(dpid1, switch1); |
| agent.transitionToMasterSwitch(dpid1); |
| |
| Stream<OpenFlowSwitch> fetchedMasterSwitches = |
| makeIntoStream(controller.getMasterSwitches()); |
| assertThat(fetchedMasterSwitches.count(), is(1L)); |
| Stream<OpenFlowSwitch> fetchedActivatedSwitches = |
| makeIntoStream(controller.getEqualSwitches()); |
| assertThat(fetchedActivatedSwitches.count(), is(0L)); |
| OpenFlowSwitch fetchedSwitch1 = controller.getMasterSwitch(dpid1); |
| assertThat(fetchedSwitch1, is(switch1)); |
| |
| agent.addConnectedSwitch(dpid2, switch2); |
| boolean addSwitch2 = agent.addActivatedMasterSwitch(dpid2, switch2); |
| assertThat(addSwitch2, is(true)); |
| OpenFlowSwitch fetchedSwitch2 = controller.getMasterSwitch(dpid2); |
| assertThat(fetchedSwitch2, is(switch2)); |
| } |
| |
| /** |
| * Tests adding equal switches. |
| */ |
| @Test |
| public void testEqualSwitch() { |
| agent.addConnectedSwitch(dpid1, switch1); |
| agent.transitionToEqualSwitch(dpid1); |
| |
| Stream<OpenFlowSwitch> fetchedEqualSwitches = |
| makeIntoStream(controller.getEqualSwitches()); |
| assertThat(fetchedEqualSwitches.count(), is(1L)); |
| Stream<OpenFlowSwitch> fetchedActivatedSwitches = |
| makeIntoStream(controller.getMasterSwitches()); |
| assertThat(fetchedActivatedSwitches.count(), is(0L)); |
| OpenFlowSwitch fetchedSwitch1 = controller.getEqualSwitch(dpid1); |
| assertThat(fetchedSwitch1, is(switch1)); |
| |
| agent.addConnectedSwitch(dpid2, switch2); |
| boolean addSwitch2 = agent.addActivatedEqualSwitch(dpid2, switch2); |
| assertThat(addSwitch2, is(true)); |
| OpenFlowSwitch fetchedSwitch2 = controller.getEqualSwitch(dpid2); |
| assertThat(fetchedSwitch2, is(switch2)); |
| } |
| |
| /** |
| * Tests changing switch role. |
| */ |
| @Test |
| public void testRoleSetting() { |
| agent.addConnectedSwitch(dpid2, switch2); |
| |
| // check that state can be changed for a connected switch |
| assertThat(switch2.getRole(), is(RoleState.MASTER)); |
| controller.setRole(dpid2, RoleState.EQUAL); |
| assertThat(switch2.getRole(), is(RoleState.EQUAL)); |
| |
| // check that changing state on an unconnected switch does not crash |
| controller.setRole(dpid3, RoleState.SLAVE); |
| } |
| } |