*/
package org.opendaylight.openflowplugin.openflow.md.core;
+import java.util.ArrayList;
import java.util.List;
+import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
-import org.opendaylight.openflowplugin.openflow.md.core.plan.ConnectionAdapterStackImpl;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Matchers;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.opendaylight.controller.sal.common.util.Futures;
+import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
+import org.opendaylight.openflowplugin.api.OFConstants;
+import org.opendaylight.openflowplugin.api.openflow.md.core.ConnectionConductor;
+import org.opendaylight.openflowplugin.api.openflow.md.core.ErrorHandler;
+import org.opendaylight.openflowplugin.api.openflow.md.core.HandshakeListener;
+import org.opendaylight.openflowplugin.api.openflow.md.core.session.SessionContext;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.HelloElementType;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloMessageBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.Elements;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.hello.ElementsBuilder;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
import com.google.common.collect.Lists;
/**
- * @author mirehak
- *
+ * testing handshake
*/
+@RunWith(MockitoJUnitRunner.class)
public class HandshakeManagerImplTest {
+ private static final Logger LOG = LoggerFactory
+ .getLogger(HandshakeManagerImplTest.class);
+
private HandshakeManagerImpl handshakeManager;
- protected ConnectionAdapterStackImpl adapter;
+ @Mock
+ private ConnectionAdapter adapter;
+ @Mock
+ private ErrorHandler errorHandler;
+ @Mock
+ private HandshakeListener handshakeListener;
+
+ private RpcResult<GetFeaturesOutput> resultFeatures;
+
+ private long helloXid = 42L;
+
+ private int expectedErrors = 0;
/**
* invoked before every test method
*/
@Before
public void setUp() {
- adapter = new ConnectionAdapterStackImpl();
- handshakeManager = new HandshakeManagerImpl(adapter, (short) 4, ConnectionConductor.versionOrder);
+ handshakeManager = new HandshakeManagerImpl(adapter, OFConstants.OFP_VERSION_1_3,
+ ConnectionConductor.versionOrder);
+ handshakeManager.setErrorHandler(errorHandler);
+ handshakeManager.setHandshakeListener(handshakeListener);
+ handshakeManager.setUseVersionBitmap(false);
+
+ resultFeatures = RpcResultsUtil.createRpcResult(true, new GetFeaturesOutputBuilder().build(), null);
+
+ Mockito.when(adapter.hello(Matchers.any(HelloInput.class)))
+ .thenReturn(Futures.immediateFuture(RpcResultsUtil.createRpcResult(true, (Void) null, null)));
+ }
+
+ /**
+ * invoked after each test method
+ */
+ @After
+ public void teardown() {
+ // logging errors if occurred
+ ArgumentCaptor<Throwable> errorCaptor = ArgumentCaptor.forClass(Throwable.class);
+ Mockito.verify(errorHandler, Mockito.atMost(1)).handleException(
+ errorCaptor.capture(), Matchers.any(SessionContext.class));
+ for (Throwable problem : errorCaptor.getAllValues()) {
+ LOG.warn(problem.getMessage(), problem);
+ }
+
+ Mockito.verify(errorHandler, Mockito.times(expectedErrors)).handleException(
+ Matchers.any(Throwable.class), Matchers.any(SessionContext.class));
}
/**
}
}
+ //////// Version Negotiation Tests //////////////
+
+ /**
+ * Test of version negotiation Where switch version = 1.0
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation10() throws Exception {
+ LOG.debug("testVersionNegotiation10");
+ Short version = OFConstants.OFP_VERSION_1_0;
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(resultFeatures.getResult(), version);
+ }
+
+ /**
+ * Test of version negotiation Where switch version = 1.0
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation10SwitchStarts() throws Exception {
+ LOG.debug("testVersionNegotiation10-ss");
+ Short version = OFConstants.OFP_VERSION_1_0;
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(resultFeatures.getResult(), version);
+ }
+
+ /**
+ * Test of version negotiation Where switch version < 1.0
+ * Switch delivers first helloMessage with version 0x00 = negotiation unsuccessful
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation00() throws Exception {
+ LOG.debug("testVersionNegotiation00");
+ expectedErrors = 1;
+ Short version = (short) 0x00;
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener, Mockito.never()).onHandshakeSuccessfull(
+ Matchers.any(GetFeaturesOutput.class), Matchers.anyShort());
+ }
+
+ /**
+ * Test of version negotiation Where switch version < 1.0
+ * Switch delivers first helloMessage with version 0x00 = negotiation unsuccessful
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation00SwitchStarts() throws Exception {
+ LOG.debug("testVersionNegotiation00-ss");
+ expectedErrors = 1;
+ Short version = (short) 0x00;
+
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener, Mockito.never()).onHandshakeSuccessfull(
+ Matchers.any(GetFeaturesOutput.class), Matchers.anyShort());
+ }
+
+ /**
+ * Test of version negotiation Where 1.0 < switch version < 1.3
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation11() throws Exception {
+ LOG.debug("testVersionNegotiation11");
+ Short version = (short) 0x02;
+ Short expVersion = (short) 0x01;
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(expVersion, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), expVersion);
+ }
+
+ /**
+ * Test of version negotiation Where 1.0 < switch version < 1.3
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation11SwitchStarts() throws Exception {
+ LOG.debug("testVersionNegotiation11-ss");
+ Short version = (short) 0x02;
+ Short expVersion = (short) 0x01;
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(expVersion, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), expVersion);
+ }
+
+ /**
+ * Test of version negotiation Where switch version = 1.3
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation13() throws Exception {
+ LOG.debug("testVersionNegotiation13");
+ Short version = OFConstants.OFP_VERSION_1_3;
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), version);
+ }
+
+ /**
+ * Test of version negotiation Where switch version = 1.3
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation13SwitchStarts() throws Exception {
+ LOG.debug("testVersionNegotiation13-ss");
+ Short version = OFConstants.OFP_VERSION_1_3;
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), version);
+ }
+
+ /**
+ * Test of version negotiation Where switch version >= 1.3
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation15() throws Exception {
+ LOG.debug("testVersionNegotiation15");
+ Short version = (short) 0x06;
+ Short expVersion = OFConstants.OFP_VERSION_1_3;
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(expVersion, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), expVersion);
+ }
+
+ /**
+ * Test of version negotiation Where switch version >= 1.3
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation15SwitchStart() throws Exception {
+ LOG.debug("testVersionNegotiation15-ss");
+ Short version = (short) 0x06;
+ Short expVersion = OFConstants.OFP_VERSION_1_3;
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(expVersion, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), expVersion);
+ }
+
+ /**
+ * Test of version negotiation Where switch version > 1.3
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation15_MultipleCall() throws Exception {
+ LOG.debug("testVersionNegotiation15_MultipleCall");
+ Short version = (short) 0x06;
+ expectedErrors = 1;
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener, Mockito.never()).onHandshakeSuccessfull(
+ Matchers.any(GetFeaturesOutput.class), Matchers.anyShort());
+ }
+
+ /**
+ * Test of version negotiation Where switch version > 1.3
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation15_MultipleCallSwitchStarts() throws Exception {
+ LOG.debug("testVersionNegotiation15_MultipleCall-ss");
+ Short version = (short) 0x06;
+ expectedErrors = 1;
+
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(createHelloMessage(version, helloXid).build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener, Mockito.never()).onHandshakeSuccessfull(
+ Matchers.any(GetFeaturesOutput.class), Matchers.anyShort());
+ }
+
+ /**
+ * Test of version negotiation Where bitmap version {0x05,0x01}
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation10InBitmap() throws Exception {
+ LOG.debug("testVersionNegotiation10InBitmap");
+ Short version = OFConstants.OFP_VERSION_1_0;
+ handshakeManager.setUseVersionBitmap(true);
+
+ HelloMessageBuilder helloMessage = createHelloMessage(version, helloXid);
+ addVersionBitmap(Lists.newArrayList((short) 0x05, OFConstants.OFP_VERSION_1_0), helloMessage);
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.setReceivedHello(helloMessage.build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), version);
+ }
+
+ /**
+ * Test of version negotiation Where bitmap version {0x05,0x01}
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation10InBitmapSwitchStarts() throws Exception {
+ LOG.debug("testVersionNegotiation10InBitmap-ss");
+ Short version = OFConstants.OFP_VERSION_1_0;
+ handshakeManager.setUseVersionBitmap(true);
+
+ HelloMessageBuilder helloMessage = createHelloMessage(version, helloXid);
+ addVersionBitmap(Lists.newArrayList((short) 0x05, OFConstants.OFP_VERSION_1_0), helloMessage);
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(helloMessage.build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), version);
+ }
+
+ /**
+ * Test of version negotiation Where bitmap version {0x05,0x04}
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation13InBitmap() throws Exception {
+ LOG.debug("testVersionNegotiation13InBitmap");
+ Short version = OFConstants.OFP_VERSION_1_3;
+ handshakeManager.setUseVersionBitmap(true);
+
+ HelloMessageBuilder helloMessage = createHelloMessage(version, helloXid);
+ addVersionBitmap(Lists.newArrayList((short) 0x05, OFConstants.OFP_VERSION_1_3), helloMessage);
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.setReceivedHello(helloMessage.build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), version);
+ }
+
+ /**
+ * Test of version negotiation Where bitmap version {0x05,0x04}
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiation13InBitmapSwitchFirst() throws Exception {
+ LOG.debug("testVersionNegotiation13InBitmap-ss");
+ Short version = OFConstants.OFP_VERSION_1_3;
+ handshakeManager.setUseVersionBitmap(true);
+
+ HelloMessageBuilder helloMessage = createHelloMessage(version, helloXid);
+ addVersionBitmap(Lists.newArrayList((short) 0x05, OFConstants.OFP_VERSION_1_3), helloMessage);
+
+ Mockito.when(adapter.getFeatures(Matchers.any(GetFeaturesInput.class)))
+ .thenReturn(Futures.immediateFuture(resultFeatures));
+
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(helloMessage.build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener).onHandshakeSuccessfull(
+ resultFeatures.getResult(), version);
+ }
+
+ /**
+ * Test of version negotiation Where bitmap version {0x05,0x02}
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiationNoCommonVersionInBitmap() throws Exception {
+ LOG.debug("testVersionNegotiationNoCommonVersionInBitmap");
+ Short version = (short) 0x05;
+ expectedErrors = 1;
+ handshakeManager.setUseVersionBitmap(true);
+
+ HelloMessageBuilder helloMessage = createHelloMessage(version, helloXid);
+ addVersionBitmap(Lists.newArrayList((short) 0x05, (short) 0x02), helloMessage);
+
+ handshakeManager.setReceivedHello(helloMessage.build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener, Mockito.never()).onHandshakeSuccessfull(
+ Matchers.any(GetFeaturesOutput.class), Matchers.anyShort());
+ }
+
+ /**
+ * Test of version negotiation Where bitmap version {0x05,0x02}
+ *
+ * @throws Exception
+ */
+ @Test
+ public void testVersionNegotiationNoCommonVersionInBitmapSwitchStarts() throws Exception {
+ LOG.debug("testVersionNegotiationNoCommonVersionInBitmap-ss");
+ Short version = (short) 0x05;
+ expectedErrors = 1;
+ handshakeManager.setUseVersionBitmap(true);
+
+ HelloMessageBuilder helloMessage = createHelloMessage(version, helloXid);
+ addVersionBitmap(Lists.newArrayList((short) 0x05, (short) 0x02), helloMessage);
+
+ handshakeManager.shake();
+
+ handshakeManager.setReceivedHello(helloMessage.build());
+ handshakeManager.shake();
+
+ Mockito.verify(handshakeListener, Mockito.never()).onHandshakeSuccessfull(
+ Matchers.any(GetFeaturesOutput.class), Matchers.anyShort());
+ }
+
+
+ /**
+ * @param ofpVersion10
+ * @param helloXid
+ * @return
+ */
+ private static HelloMessageBuilder createHelloMessage(short ofpVersion10, long helloXid) {
+ return new HelloMessageBuilder().setVersion(ofpVersion10).setXid(helloXid);
+ }
+
+ /**
+ * @param versionOrder
+ * @param helloBuilder
+ * @return
+ */
+ private static HelloMessageBuilder addVersionBitmap(List<Short> versionOrder,
+ HelloMessageBuilder helloBuilder) {
+ short highestVersion = versionOrder.get(0);
+ int elementsCount = highestVersion / Integer.SIZE;
+ ElementsBuilder elementsBuilder = new ElementsBuilder();
+
+ List<Elements> elementList = new ArrayList<>();
+ int orderIndex = versionOrder.size();
+ int value = versionOrder.get(--orderIndex);
+ for (int index = 0; index <= elementsCount; index++) {
+ List<Boolean> booleanList = new ArrayList<>();
+ for (int i = 0; i < Integer.SIZE; i++) {
+ if (value == ((index * Integer.SIZE) + i)) {
+ booleanList.add(true);
+ value = (orderIndex == 0) ? highestVersion : versionOrder.get(--orderIndex);
+ } else {
+ booleanList.add(false);
+ }
+ }
+ elementsBuilder.setType(HelloElementType.forValue(1));
+ elementsBuilder.setVersionBitmap(booleanList);
+ elementList.add(elementsBuilder.build());
+ }
+
+ helloBuilder.setElements(elementList);
+ return helloBuilder;
+ }
+
}