| /* |
| * 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.onlab.packet; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.nio.ByteBuffer; |
| |
| import java.util.Arrays; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * Unit tests for the Ethernet class. |
| */ |
| public class EthernetTest { |
| |
| private MacAddress dstMac; |
| private MacAddress srcMac; |
| private short ethertype = 6; |
| private short vlan = 5; |
| private short qinqVlan = 55; |
| |
| private Deserializer<Ethernet> deserializer; |
| |
| private byte[] byteHeader; |
| private byte[] vlanByteHeader; |
| private byte[] qinq8100ByteHeader; |
| private byte[] qinq88a8ByteHeader; |
| |
| private static byte[] qinqHeaderExpected = { |
| (byte) 0x88, (byte) 0x88, (byte) 0x88, (byte) 0x88, |
| (byte) 0x88, (byte) 0x88, (byte) 0xaa, (byte) 0xaa, |
| (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, |
| (byte) 0x88, (byte) 0xa8, (byte) 0x00, (byte) 0x37, |
| (byte) 0x81, (byte) 0x00, (byte) 0x00, (byte) 0x05, |
| (byte) 0x00, (byte) 0x06 }; |
| |
| @Before |
| public void setUp() { |
| deserializer = Ethernet.deserializer(); |
| |
| byte[] dstMacBytes = { |
| (byte) 0x88, (byte) 0x88, (byte) 0x88, (byte) 0x88, (byte) 0x88, |
| (byte) 0x88 }; |
| dstMac = MacAddress.valueOf(dstMacBytes); |
| byte[] srcMacBytes = { |
| (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, (byte) 0xaa, |
| (byte) 0xaa }; |
| srcMac = MacAddress.valueOf(srcMacBytes); |
| |
| // Create Ethernet byte array with no VLAN header |
| ByteBuffer bb = ByteBuffer.allocate(Ethernet.ETHERNET_HEADER_LENGTH); |
| bb.put(dstMacBytes); |
| bb.put(srcMacBytes); |
| bb.putShort(ethertype); |
| |
| byteHeader = bb.array(); |
| |
| // Create Ethernet byte array with a VLAN header |
| bb = ByteBuffer.allocate(Ethernet.ETHERNET_HEADER_LENGTH + Ethernet.VLAN_HEADER_LENGTH); |
| bb.put(dstMacBytes); |
| bb.put(srcMacBytes); |
| bb.putShort(Ethernet.TYPE_VLAN); |
| bb.putShort(vlan); |
| bb.putShort(ethertype); |
| |
| vlanByteHeader = bb.array(); |
| |
| // Create Ethernet byte array with a QinQ header with TPID 0x8100 |
| bb = ByteBuffer.allocate(Ethernet.ETHERNET_HEADER_LENGTH + Ethernet.VLAN_HEADER_LENGTH |
| + Ethernet.VLAN_HEADER_LENGTH); |
| bb.put(dstMacBytes); |
| bb.put(srcMacBytes); |
| bb.putShort(Ethernet.TYPE_VLAN); |
| bb.putShort(vlan); |
| bb.putShort(Ethernet.TYPE_VLAN); |
| bb.putShort(vlan); |
| bb.putShort(ethertype); |
| |
| qinq8100ByteHeader = bb.array(); |
| |
| // Create Ethernet byte array with a QinQ header with TPID 0x88a8 |
| bb = ByteBuffer.allocate(Ethernet.ETHERNET_HEADER_LENGTH + Ethernet.VLAN_HEADER_LENGTH |
| + Ethernet.VLAN_HEADER_LENGTH); |
| bb.put(dstMacBytes); |
| bb.put(srcMacBytes); |
| bb.putShort(Ethernet.TYPE_QINQ); |
| bb.putShort(qinqVlan); |
| bb.putShort(Ethernet.TYPE_VLAN); |
| bb.putShort(vlan); |
| bb.putShort(ethertype); |
| |
| qinq88a8ByteHeader = bb.array(); |
| |
| } |
| |
| @Test |
| public void testDeserializeBadInput() throws Exception { |
| PacketTestUtils.testDeserializeBadInput(deserializer); |
| } |
| |
| @Test |
| public void testDeserializeTruncated() throws DeserializationException { |
| PacketTestUtils.testDeserializeTruncated(deserializer, vlanByteHeader); |
| } |
| |
| @Test |
| public void testDeserializeNoVlan() throws Exception { |
| Ethernet eth = deserializer.deserialize(byteHeader, 0, byteHeader.length); |
| |
| assertEquals(dstMac, eth.getDestinationMAC()); |
| assertEquals(srcMac, eth.getSourceMAC()); |
| assertEquals(Ethernet.VLAN_UNTAGGED, eth.getVlanID()); |
| assertEquals(ethertype, eth.getEtherType()); |
| } |
| |
| @Test |
| public void testDeserializeWithVlan() throws Exception { |
| Ethernet eth = deserializer.deserialize(vlanByteHeader, 0, vlanByteHeader.length); |
| |
| assertEquals(dstMac, eth.getDestinationMAC()); |
| assertEquals(srcMac, eth.getSourceMAC()); |
| assertEquals(vlan, eth.getVlanID()); |
| assertEquals(ethertype, eth.getEtherType()); |
| } |
| |
| @Test |
| public void testDeserializeWithQinQ() throws Exception { |
| Ethernet eth = deserializer.deserialize(qinq8100ByteHeader, 0, qinq8100ByteHeader.length); |
| |
| assertEquals(dstMac, eth.getDestinationMAC()); |
| assertEquals(srcMac, eth.getSourceMAC()); |
| assertEquals(vlan, eth.getVlanID()); |
| assertEquals(vlan, eth.getQinQVID()); |
| assertEquals(ethertype, eth.getEtherType()); |
| |
| eth = deserializer.deserialize(qinq88a8ByteHeader, 0, qinq88a8ByteHeader.length); |
| |
| assertEquals(dstMac, eth.getDestinationMAC()); |
| assertEquals(srcMac, eth.getSourceMAC()); |
| assertEquals(vlan, eth.getVlanID()); |
| assertEquals(qinqVlan, eth.getQinQVID()); |
| assertEquals(ethertype, eth.getEtherType()); |
| } |
| |
| @Test |
| public void testSerializeWithQinQ() throws Exception { |
| Ethernet eth = new Ethernet(); |
| eth.setDestinationMACAddress(dstMac); |
| eth.setSourceMACAddress(srcMac); |
| eth.setVlanID(vlan); |
| eth.setQinQVID(qinqVlan); |
| eth.setEtherType(ethertype); |
| |
| byte[] encoded = eth.serialize(); |
| |
| assertEquals(Arrays.toString(encoded), Arrays.toString(qinqHeaderExpected)); |
| } |
| |
| } |