private static Packet newIpV6Packet() {
short identifier = (short) 1234;
short 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);
Packet packet = b.build();
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);
return ipv6b.build();
}
private static Packet newIpV4Packet() {
short identifier = (short) 1234;
short sequenceNumber = (short) 4321;
UnknownPacket.Builder unknownb = new UnknownPacket.Builder();
unknownb.rawData(new byte[] {(byte) 0, (byte) 1, (byte) 2, (byte) 3});
IcmpV4EchoPacket.Builder b = new IcmpV4EchoPacket.Builder();
b.identifier(identifier).sequenceNumber(sequenceNumber).payloadBuilder(unknownb);
IcmpV4EchoPacket packet = b.build();
IcmpV4CommonPacket.Builder icmpV4b = new IcmpV4CommonPacket.Builder();
icmpV4b
.type(IcmpV4Type.ECHO)
.code(IcmpV4Code.NO_CODE)
.payloadBuilder(new SimpleBuilder(packet))
.correctChecksumAtBuild(true);
IpV4Packet.Builder ipv4b = new IpV4Packet.Builder();
try {
ipv4b
.version(IpVersion.IPV4)
.tos(IpV4Rfc1349Tos.newInstance((byte) 0))
.identification((short) 100)
.ttl((byte) 100)
.protocol(IpNumber.ICMPV4)
.srcAddr(
(Inet4Address)
InetAddress.getByAddress(new byte[] {(byte) 192, (byte) 0, (byte) 2, (byte) 1}))
.dstAddr(
(Inet4Address)
InetAddress.getByAddress(new byte[] {(byte) 192, (byte) 0, (byte) 2, (byte) 2}))
.payloadBuilder(icmpV4b)
.correctChecksumAtBuild(true)
.correctLengthAtBuild(true);
} catch (UnknownHostException e) {
throw new AssertionError("Never get here.");
}
return ipv4b.build();
}
