public void GetRelayPacketChain()
{
IPv6HeaderInformation header = new IPv6HeaderInformation(IPv6Address.FromString("fe80::1"), IPv6Address.FromString("fe80::2"));
Int32 depth = 10;
DHCPv6Packet innerPacket = DHCPv6Packet.AsInner(1, DHCPv6PacketTypes.REPLY, Array.Empty <DHCPv6PacketOption>());;
for (int i = 0; i < depth; i++)
{
DHCPv6RelayPacket outerPacket = DHCPv6RelayPacket.AsInnerRelay(
true, 1,
IPv6Address.FromString("fe80::1"), IPv6Address.FromString("fe80::2"),
Array.Empty <DHCPv6PacketOption>(),
innerPacket);
innerPacket = outerPacket;
}
DHCPv6RelayPacket inputPacket = DHCPv6RelayPacket.AsOuterRelay(
header,
true, 1,
IPv6Address.FromString("fe80::1"), IPv6Address.FromString("fe80::2"),
Array.Empty <DHCPv6PacketOption>(),
innerPacket);
var chain = inputPacket.GetRelayPacketChain();
Assert.NotEmpty(chain);
Assert.Equal(depth + 1, chain.Count);
Assert.NotEqual(DHCPv6PacketTypes.RELAY_FORW, chain[0].InnerPacket.PacketType);
Assert.NotEqual(DHCPv6PacketTypes.RELAY_REPL, chain[0].InnerPacket.PacketType);
for (int i = 1; i < chain.Count; i++)
{
Assert.Equal(chain[i].InnerPacket, chain[i - 1]);
}
Assert.Equal(inputPacket, chain[depth]);
}
