package org.pcap4j.packet;
import static org.junit.Assert.*;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.net.UnknownHostException;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.pcap4j.packet.IcmpV6EchoRequestPacket.IcmpV6EchoRequestHeader;
import org.pcap4j.packet.namednumber.EtherType;
import org.pcap4j.packet.namednumber.IcmpV6Code;
import org.pcap4j.packet.namednumber.IcmpV6Type;
import org.pcap4j.packet.namednumber.IpNumber;
import org.pcap4j.packet.namednumber.IpVersion;
import org.pcap4j.util.MacAddress;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@SuppressWarnings("javadoc")
public class IcmpV6EchoRequestPacketTest extends AbstractPacketTest {
private static final Logger logger
= LoggerFactory.getLogger(IcmpV6EchoRequestPacketTest.class);
private final IcmpV6EchoRequestPacket packet;
private final short identifier;
private final short sequenceNumber;
public IcmpV6EchoRequestPacketTest() {
this.identifier = (short)1234;
this.sequenceNumber = (short)4321;
UnknownPacket.Builder unknownb = new UnknownPacket.Builder();
unknownb.rawData(new byte[] { (byte)0, (byte)1, (byte)2, (byte)3 });
IcmpV6EchoRequestPacket.Builder b = new IcmpV6EchoRequestPacket.Builder();
b.identifier(identifier)
.sequenceNumber(sequenceNumber)
.payloadBuilder(unknownb);
this.packet = b.build();
}
@Override
protected Packet getPacket() {
return packet;
}
@Override
protected Packet getWholePacket() {
Inet6Address srcAddr;
Inet6Address dstAddr;
try {
srcAddr = (Inet6Address)InetAddress.getByName("2001:db8::3:2:1");
dstAddr = (Inet6Address)InetAddress.getByName("2001:db8::3:2:2");
} catch (UnknownHostException e) {
throw new AssertionError();
}
IcmpV6CommonPacket.Builder icmpV6b = new IcmpV6CommonPacket.Builder();
icmpV6b.type(IcmpV6Type.ECHO_REQUEST)
.code(IcmpV6Code.NO_CODE)
.srcAddr(srcAddr)
.dstAddr(dstAddr)
.payloadBuilder(new SimpleBuilder(packet))
.correctChecksumAtBuild(true);
IpV6Packet.Builder ipv6b = new IpV6Packet.Builder();
ipv6b.version(IpVersion.IPV6)
.trafficClass(IpV6SimpleTrafficClass.newInstance((byte)0x12))
.flowLabel(IpV6SimpleFlowLabel.newInstance(0x12345))
.nextHeader(IpNumber.ICMPV6)
.hopLimit((byte)100)
.srcAddr(srcAddr)
.dstAddr(dstAddr)
.correctLengthAtBuild(true)
.payloadBuilder(icmpV6b);
EthernetPacket.Builder eb = new EthernetPacket.Builder();
eb.dstAddr(MacAddress.getByName("fe:00:00:00:00:02"))
.srcAddr(MacAddress.getByName("fe:00:00:00:00:01"))
.type(EtherType.IPV6)
.payloadBuilder(ipv6b)
.paddingAtBuild(true);
return eb.build();
}
@BeforeClass
public static void setUpBeforeClass() throws Exception {
logger.info(
"########## " + IcmpV6EchoRequestPacketTest.class.getSimpleName() + " START ##########"
);
}
@AfterClass
public static void tearDownAfterClass() throws Exception {
}
@Test
public void testNewPacket() {
try {
IcmpV6EchoRequestPacket p
= IcmpV6EchoRequestPacket.newPacket(packet.getRawData(), 0, packet.getRawData().length);
assertEquals(packet, p);
} catch (IllegalRawDataException e) {
throw new AssertionError(e);
}
}
@Test
public void testGetHeader() {
IcmpV6EchoRequestHeader h = packet.getHeader();
assertEquals(identifier, h.getIdentifier());
assertEquals(sequenceNumber, h.getSequenceNumber());
IcmpV6EchoRequestPacket.Builder b = packet.getBuilder();
IcmpV6EchoRequestPacket p;
b.identifier((short)0);
b.sequenceNumber((short)0);
p = b.build();
assertEquals((short)0, (short)p.getHeader().getIdentifierAsInt());
assertEquals((short)0, (short)p.getHeader().getSequenceNumberAsInt());
b.identifier((short)10000);
b.sequenceNumber((short)10000);
p = b.build();
assertEquals((short)10000, (short)p.getHeader().getIdentifierAsInt());
assertEquals((short)10000, (short)p.getHeader().getSequenceNumberAsInt());
b.identifier((short)32767);
b.sequenceNumber((short)32767);
p = b.build();
assertEquals((short)32767, (short)p.getHeader().getIdentifierAsInt());
assertEquals((short)32767, (short)p.getHeader().getSequenceNumberAsInt());
b.identifier((short)-1);
b.sequenceNumber((short)-1);
p = b.build();
assertEquals((short)-1, (short)p.getHeader().getIdentifierAsInt());
assertEquals((short)-1, (short)p.getHeader().getSequenceNumberAsInt());
b.identifier((short)-32768);
b.sequenceNumber((short)-32768);
p = b.build();
assertEquals((short)-32768, (short)p.getHeader().getIdentifierAsInt());
assertEquals((short)-32768, (short)p.getHeader().getSequenceNumberAsInt());
}
}