/**
* Copyright 2013, Big Switch Networks, Inc.
*
* 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 net.floodlightcontroller.topology;
import static org.junit.Assert.*;
import net.floodlightcontroller.core.IFloodlightProviderService;
import net.floodlightcontroller.core.module.FloodlightModuleContext;
import net.floodlightcontroller.core.test.MockThreadPoolService;
import net.floodlightcontroller.debugcounter.IDebugCounterService;
import net.floodlightcontroller.debugcounter.MockDebugCounterService;
import net.floodlightcontroller.linkdiscovery.ILinkDiscovery;
import net.floodlightcontroller.test.FloodlightTestCase;
import net.floodlightcontroller.threadpool.IThreadPoolService;
import net.floodlightcontroller.topology.TopologyManager;
import org.junit.Before;
import org.junit.Test;
import org.projectfloodlight.openflow.types.DatapathId;
import org.projectfloodlight.openflow.types.OFPort;
import org.projectfloodlight.openflow.types.U64;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TopologyManagerTest extends FloodlightTestCase {
protected static Logger log = LoggerFactory.getLogger(TopologyManagerTest.class);
TopologyManager tm;
FloodlightModuleContext fmc;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
fmc = new FloodlightModuleContext();
fmc.addService(IFloodlightProviderService.class, getMockFloodlightProvider());
fmc.addService(IDebugCounterService.class, new MockDebugCounterService());
MockThreadPoolService tp = new MockThreadPoolService();
fmc.addService(IThreadPoolService.class, tp);
tm = new TopologyManager();
tp.init(fmc);
tm.init(fmc);
tp.startUp(fmc);
}
@Test
public void testBasic1() throws Exception {
tm.addOrUpdateLink(DatapathId.of(1), OFPort.of(1), DatapathId.of(2), OFPort.of(1), U64.ZERO, ILinkDiscovery.LinkType.DIRECT_LINK);
assertTrue(tm.getPortsPerSwitch().size() == 2); // for two nodes.
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(1)).size()==1);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(2)).size()==1);
assertTrue(tm.getPortsOnLinks().size()==2);
assertEquals(0, tm.getExternalInterClusterLinks().size());
assertTrue(tm.getTunnelPorts().size()==0);
tm.addOrUpdateLink(DatapathId.of(1), OFPort.of(2), DatapathId.of(2), OFPort.of(2), U64.ZERO, ILinkDiscovery.LinkType.MULTIHOP_LINK);
assertTrue(tm.getPortsPerSwitch().size() == 2); // for two nodes.
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(1)).size()==2);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(2)).size()==2);
assertTrue(tm.getPortsOnLinks().size()==4);
assertEquals(1, tm.getExternalInterClusterLinks().size());
assertTrue(tm.getTunnelPorts().size()==0);
tm.removeLink(DatapathId.of(1), OFPort.of(2), DatapathId.of(2), OFPort.of(2));
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(1)).size()==1);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(2)).size()==1);
assertTrue(tm.getPortsPerSwitch().size() == 2);
assertTrue(tm.getPortsOnLinks().size()==2);
assertEquals(0, tm.getExternalInterClusterLinks().size());
tm.removeLink(DatapathId.of(1), OFPort.of(1), DatapathId.of(2), OFPort.of(1));
assertTrue(tm.getPortsPerSwitch().size() == 0);
assertTrue(tm.getPortsOnLinks().size()==0);
assertEquals(0, tm.getExternalInterClusterLinks().size());
}
@Test
public void testBasic2() throws Exception {
tm.addOrUpdateLink(DatapathId.of(1), OFPort.of(1), DatapathId.of(2), OFPort.of(1), U64.ZERO, ILinkDiscovery.LinkType.DIRECT_LINK);
tm.addOrUpdateLink(DatapathId.of(2), OFPort.of(2), DatapathId.of(3), OFPort.of(1), U64.ZERO, ILinkDiscovery.LinkType.MULTIHOP_LINK);
assertTrue(tm.getPortsPerSwitch().size() == 3); // for two nodes.
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(1)).size()==1);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(2)).size()==2);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(3)).size()==1);
assertTrue(tm.getPortsOnLinks().size()==4);
assertEquals(1, tm.getExternalInterClusterLinks().size());
tm.removeLink(DatapathId.of(1), OFPort.of(1), DatapathId.of(2), OFPort.of(1));
assertTrue(tm.getPortsPerSwitch().size() == 2);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(1)) == null);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(2)).size()==1);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(3)).size()==1);
assertTrue(tm.getPortsOnLinks().size()==2);
assertEquals(1, tm.getExternalInterClusterLinks().size());
// nonexistent link // no null pointer exceptions.
tm.removeLink(DatapathId.of(3), OFPort.of(1), DatapathId.of(2), OFPort.of(2));
assertTrue(tm.getPortsPerSwitch().size() == 2);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(1)) == null);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(2)).size()==1);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(3)).size()==1);
assertTrue(tm.getPortsOnLinks().size()==2);
assertEquals(1, tm.getExternalInterClusterLinks().size());
tm.removeLink(DatapathId.of(3), OFPort.of(2), DatapathId.of(1), OFPort.of(2));
assertTrue(tm.getPortsPerSwitch().size() == 2);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(1))==null);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(2)).size()==1);
assertTrue(tm.getPortsPerSwitch().get(DatapathId.of(3)).size()==1);
assertTrue(tm.getPortsOnLinks().size()==2);
assertEquals(1, tm.getExternalInterClusterLinks().size());
tm.removeLink(DatapathId.of(2), OFPort.of(2), DatapathId.of(3), OFPort.of(1));
assertTrue(tm.getPortsPerSwitch().size() == 0); // for two nodes.
assertTrue(tm.getPortsOnLinks().size()==0);
assertEquals(0, tm.getExternalInterClusterLinks().size());
assertTrue(tm.getTunnelPorts().size()==0);
}
}