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/*******************************************************************************
* Copyright (c) 2014 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Vincent Perot - Initial API and implementation
*******************************************************************************/
package org.eclipse.linuxtools.pcap.core.tests.protocol.pcap;
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.Map;
import org.eclipse.linuxtools.pcap.core.packet.BadPacketException;
import org.eclipse.linuxtools.pcap.core.protocol.Protocol;
import org.eclipse.linuxtools.pcap.core.protocol.pcap.PcapEndpoint;
import org.eclipse.linuxtools.pcap.core.protocol.pcap.PcapPacket;
import org.eclipse.linuxtools.pcap.core.tests.shared.PcapTestTrace;
import org.eclipse.linuxtools.pcap.core.trace.BadPcapFileException;
import org.eclipse.linuxtools.pcap.core.trace.PcapFile;
import org.junit.Before;
import org.junit.Test;
import com.google.common.collect.ImmutableMap;
/**
* JUnit Class that tests the PcapPacket class and its method.
*
* @author Vincent Perot
*/
public class PcapPacketTest {
private static final Map<String, String> EXPECTED_FIELDS = ImmutableMap.of(
"Frame", "36",
"Frame Length", "75 bytes",
"Capture Length", "75 bytes",
"Capture Time", "2005-07-04 05:33:52.829.277.000"
);
private static final String EXPECTED_TOSTRING;
static {
StringBuilder sb = new StringBuilder();
sb.append("Packet Capture 36: 75 bytes on wire, 75 bytes captured.\n");
sb.append("Arrival time: 2005-07-04 05:33:52.829.277.000\n");
sb.append("Ethernet II, Source: 00:e0:ed:01:6e:bd, Destination: 00:30:54:00:34:56, Type: Internet Protocol Version 4 (0x0800)\n");
sb.append("Internet Protocol Version 4, Source: 192.168.1.2, Destination: 192.168.1.1\n");
sb.append("Version: 4, Identification: 0x69aa, Header Length: 20 bytes, Total Length: 61 bytes\n");
sb.append("Differentiated Services Code Point: 0x00; Explicit Congestion Notification: 0x00\n");
sb.append("Flags: 0x00 (Don't have more fragments), Fragment Offset: 0\n");
sb.append("Time to live: 128\n");
sb.append("Protocol: 17\n");
sb.append("Header Checksum: 0x4db2\n");
sb.append("User Datagram Protocol, Source Port: 2719, Destination Port: 53, Length: 41, Checksum: 19038\n");
sb.append("Payload: ed d4 01 00 00 01 00 00 00 00 00 00 03 66 74 70 07 65 63 69 74 65 6c 65 03 63 6f 6d 00 00 01 00 01");
EXPECTED_TOSTRING = sb.toString();
}
private ByteBuffer fPayload;
/**
* Initialize the payload.
*/
@Before
public void initialize() {
fPayload = ByteBuffer.allocate(75);
fPayload.order(ByteOrder.BIG_ENDIAN);
// Values copied from wireshark
// Bytes 0x01-0x10
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x30);
fPayload.put((byte) 0x54);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x34);
fPayload.put((byte) 0x56);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0xE0);
fPayload.put((byte) 0xED);
fPayload.put((byte) 0x01);
fPayload.put((byte) 0x6E);
fPayload.put((byte) 0xBD);
fPayload.put((byte) 0x08);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x45);
fPayload.put((byte) 0x00);
// Bytes 0x11-0x20
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x3D);
fPayload.put((byte) 0x69);
fPayload.put((byte) 0xAA);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x80);
fPayload.put((byte) 0x11);
fPayload.put((byte) 0x4D);
fPayload.put((byte) 0xB2);
fPayload.put((byte) 0xC0);
fPayload.put((byte) 0xA8);
fPayload.put((byte) 0x01);
fPayload.put((byte) 0x02);
fPayload.put((byte) 0xC0);
fPayload.put((byte) 0xA8);
// Bytes 0x21-0x30
fPayload.put((byte) 0x01);
fPayload.put((byte) 0x01);
fPayload.put((byte) 0x0A);
fPayload.put((byte) 0x9F);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x35);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x29);
fPayload.put((byte) 0x4A);
fPayload.put((byte) 0x5E);
fPayload.put((byte) 0xED);
fPayload.put((byte) 0xd4);
fPayload.put((byte) 0x01);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x01);
// Bytes 0x31-0x40
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x03);
fPayload.put((byte) 0x66);
fPayload.put((byte) 0x74);
fPayload.put((byte) 0x70);
fPayload.put((byte) 0x07);
fPayload.put((byte) 0x65);
fPayload.put((byte) 0x63);
fPayload.put((byte) 0x69);
fPayload.put((byte) 0x74);
fPayload.put((byte) 0x65);
// Bytes 0x41-0x4B
fPayload.put((byte) 0x6C);
fPayload.put((byte) 0x65);
fPayload.put((byte) 0x03);
fPayload.put((byte) 0x63);
fPayload.put((byte) 0x6F);
fPayload.put((byte) 0x6D);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x01);
fPayload.put((byte) 0x00);
fPayload.put((byte) 0x01);
fPayload.flip();
}
/**
* Test that verify the correctness of the PcapPacket'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 CompletePcapPacketTest() throws IOException, BadPcapFileException, BadPacketException {
PcapTestTrace trace = PcapTestTrace.MOSTLY_UDP;
assumeTrue(trace.exists());
String path = trace.getPath();
try (PcapFile file = new PcapFile(path);) {
file.seekPacket(36);
PcapPacket packet = file.parseNextPacket();
if (packet == null) {
fail("CompletePcapPacketTest has failed!");
return;
}
// Protocol Testing
assertEquals(Protocol.PCAP, packet.getProtocol());
assertTrue(packet.hasProtocol(Protocol.PCAP));
assertTrue(packet.hasProtocol(Protocol.UNKNOWN));
assertFalse(packet.hasProtocol(Protocol.TCP));
// Abstract methods Testing
assertTrue(packet.validate());
assertEquals(842182851, packet.hashCode());
assertFalse(packet.equals(null));
assertFalse(packet.equals(file.parseNextPacket()));
assertEquals(EXPECTED_FIELDS, packet.getFields());
assertEquals(EXPECTED_TOSTRING, packet.toString());
assertEquals("Frame 36: 75 bytes on wire, 75 bytes captured", packet.getLocalSummaryString());
assertEquals("Source Port: 2719, Destination Port: 53", packet.getGlobalSummaryString());
assertEquals(new PcapEndpoint(packet, true), packet.getSourceEndpoint());
assertEquals(new PcapEndpoint(packet, false), packet.getDestinationEndpoint());
ByteBuffer payload = packet.getPayload();
if (payload == null) {
fail("CompletePcapPacketTest has failed!");
return;
}
assertEquals(fPayload, payload.flip());
// Packet-specific methods Testing
assertEquals(36, packet.getIndex());
assertEquals(75, packet.getOriginalLength());
assertEquals(75, packet.getIncludedLength());
assertEquals(1120469632829277L, packet.getTimestamp());
assertFalse(packet.isTruncated());
}
}
}
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