Specs

teredo_encode(prefix(), prefix(), integer(), tuple()) :: prefix()

Encodes given server, client, port and flags as an IPv6 teredo address.

The client and server must be full IPv4 adresses, while both port and flags are interpreted as 16-bit unsigned integers.

The result mirrors the representation format of the client argument.

Examples

iex> flags = {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
iex> teredo_encode("192.0.2.45", "65.54.227.120", 40000, flags)
"2001:0:4136:e378:8000:63bf:3fff:fdd2"

iex> flags = {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
iex> teredo_encode({192, 0, 2, 45}, "65.54.227.120", 40000, flags)
{0x2001, 0, 0x4136, 0xe378, 0x8000, 0x63bf, 0x3fff, 0xfdd2}

iex> flags = {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
iex> teredo_encode({{192, 0, 2, 45}, 32}, "65.54.227.120", 40000, flags)
{{0x2001, 0, 0x4136, 0xe378, 0x8000, 0x63bf, 0x3fff, 0xfdd2}, 128}

iex> flags = {1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
iex> teredo_encode(%Pfx{bits: <<192, 0, 2, 45>>, maxlen: 32}, "65.54.227.120", 40000, flags)
%Pfx{bits: <<0x2001::16, 0::16, 0x4136::16, 0xe378::16, 0x8000::16, 0x63bf::16, 0x3fff::16, 0xfdd2::16>>, maxlen: 128}