| /******************************************************************************* |
| * Copyright (c) 2014, 2019 Ericsson |
| * |
| * All rights reserved. This program and the accompanying materials are |
| * made available under the terms of the Eclipse Public License 2.0 which |
| * accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Vincent Perot - Initial API and implementation |
| * Viet-Hung Phan - Support pcapNg |
| *******************************************************************************/ |
| |
| package org.eclipse.tracecompass.pcap.core.tests.protocol.ethernet2; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| import static org.junit.Assume.assumeTrue; |
| |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.util.Arrays; |
| import java.util.Map; |
| |
| import org.eclipse.tracecompass.internal.pcap.core.packet.BadPacketException; |
| import org.eclipse.tracecompass.internal.pcap.core.protocol.PcapProtocol; |
| import org.eclipse.tracecompass.internal.pcap.core.protocol.ethernet2.EthernetIIEndpoint; |
| import org.eclipse.tracecompass.internal.pcap.core.protocol.ethernet2.EthernetIIPacket; |
| import org.eclipse.tracecompass.internal.pcap.core.protocol.ethernet2.EthernetIIValues; |
| import org.eclipse.tracecompass.internal.pcap.core.trace.BadPcapFileException; |
| import org.eclipse.tracecompass.internal.pcap.core.trace.PcapFile; |
| import org.eclipse.tracecompass.pcap.core.tests.shared.PcapTestTrace; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import com.google.common.collect.ImmutableMap; |
| |
| /** |
| * JUnit Class that tests the EthernetIIPacket class and its method. |
| * |
| * @author Vincent Perot |
| */ |
| public class EthernetIIPacketTest { |
| |
| private static final Map<String, String> EXPECTED_FIELDS = ImmutableMap.of( |
| "Source MAC Address", "10:f8:82:b3:44:78", |
| "Destination MAC Address", "34:67:0c:d2:91:51", |
| "Ethertype", "Unknown (0xa256)" |
| ); |
| |
| private static final String EXPECTED_TOSTRING = |
| "Ethernet II, Source: 10:f8:82:b3:44:78, Destination: 34:67:0c:d2:91:51, Type: Unknown (0xa256)\nPayload: a6"; |
| |
| private ByteBuffer fPacket; |
| |
| /** |
| * Initialize the packet. |
| */ |
| @Before |
| public void initialize() { |
| fPacket = ByteBuffer.allocate(15); |
| fPacket.order(ByteOrder.BIG_ENDIAN); |
| |
| // Destination MAC - 6 bytes |
| fPacket.put((byte) 0x34); |
| fPacket.put((byte) 0x67); |
| fPacket.put((byte) 0x0C); |
| fPacket.put((byte) 0xD2); |
| fPacket.put((byte) 0x91); |
| fPacket.put((byte) 0x51); |
| |
| // Source MAC - 6 bytes |
| fPacket.put((byte) 0x10); |
| fPacket.put((byte) 0xF8); |
| fPacket.put((byte) 0x82); |
| fPacket.put((byte) 0xB3); |
| fPacket.put((byte) 0x44); |
| fPacket.put((byte) 0x78); |
| |
| // Ethertype - 2 bytes |
| fPacket.put((byte) 0xA2); |
| fPacket.put((byte) 0x56); |
| |
| // Payload - 1 byte |
| fPacket.put((byte) 0xA6); |
| |
| fPacket.flip(); |
| } |
| |
| /** |
| * Test that verify the correctness of the EthernetIIPacket's methods. |
| * @throws BadPcapFileException |
| * Thrown when the file is erroneous. Fails the test. |
| * @throws IOException |
| * Thrown when an IO error occurs. Fails the test. |
| * @throws BadPacketException |
| * Thrown when a packet is erroneous. Fails the test. |
| */ |
| @Test |
| public void CompleteEthernetIIPacketTest() throws IOException, BadPcapFileException, BadPacketException { |
| PcapTestTrace trace = PcapTestTrace.MOSTLY_TCP; |
| assumeTrue(trace.exists()); |
| try (PcapFile file = trace.getTrace()) { |
| ByteBuffer byteBuffer = fPacket; |
| if (byteBuffer == null) { |
| fail("GenericPacketTest has failed!"); |
| return; |
| } |
| |
| EthernetIIPacket packet = new EthernetIIPacket(file, null, byteBuffer); |
| |
| // Protocol Testing |
| assertEquals(PcapProtocol.ETHERNET_II, packet.getProtocol()); |
| assertTrue(packet.hasProtocol(PcapProtocol.ETHERNET_II)); |
| assertTrue(packet.hasProtocol(PcapProtocol.UNKNOWN)); |
| assertFalse(packet.hasProtocol(PcapProtocol.TCP)); |
| |
| // Abstract methods Testing |
| assertTrue(packet.validate()); |
| EthernetIIPacket expected = new EthernetIIPacket(file, null, byteBuffer); |
| assertEquals(expected.hashCode(), packet.hashCode()); |
| assertEquals(expected, packet); |
| |
| assertEquals(EXPECTED_FIELDS, packet.getFields()); |
| assertEquals(EXPECTED_TOSTRING, packet.toString()); |
| assertEquals("Src: 10:f8:82:b3:44:78 , Dst: 34:67:0c:d2:91:51", packet.getLocalSummaryString()); |
| assertEquals("Source MAC: 10:f8:82:b3:44:78 , Destination MAC: 34:67:0c:d2:91:51", packet.getGlobalSummaryString()); |
| |
| assertEquals(new EthernetIIEndpoint(packet, true), packet.getSourceEndpoint()); |
| assertEquals(new EthernetIIEndpoint(packet, false), packet.getDestinationEndpoint()); |
| |
| fPacket.position(14); |
| byte[] payload = new byte[1]; |
| fPacket.get(payload); |
| assertEquals(ByteBuffer.wrap(payload), packet.getPayload()); |
| |
| // Packet-specific methods Testing |
| assertTrue(Arrays.equals(packet.getSourceMacAddress(), Arrays.copyOfRange(fPacket.array(), EthernetIIValues.MAC_ADDRESS_SIZE, EthernetIIValues.MAC_ADDRESS_SIZE + EthernetIIValues.MAC_ADDRESS_SIZE))); |
| assertTrue(Arrays.equals(packet.getDestinationMacAddress(), Arrays.copyOfRange(fPacket.array(), 0, 0 + EthernetIIValues.MAC_ADDRESS_SIZE))); |
| assertEquals(0xA256, packet.getEthertype()); |
| } |
| } |
| } |