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Pure Elixir HTTP/2 implementation
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lib/ankh/http2/frame/continuation.ex
defmodule Ankh.HTTP2.Frame.Continuation do
@moduledoc false
defmodule Flags do
@moduledoc false
@type t :: %__MODULE__{end_headers: boolean}
defstruct end_headers: false
end
defmodule Payload do
@moduledoc false
@type t :: %__MODULE__{hbf: binary}
defstruct hbf: []
end
alias __MODULE__.{Flags, Payload}
use Ankh.HTTP2.Frame, type: 0x9, flags: Flags, payload: Payload
end
defimpl Ankh.HTTP2.Frame.Encodable, for: Ankh.HTTP2.Frame.Continuation.Flags do
def decode(flags, <<_::5, 0::1, _::2>>, _) do
{:ok, %{flags | end_headers: false}}
end
def decode(flags, <<_::5, 1::1, _::2>>, _) do
{:ok, %{flags | end_headers: true}}
end
def decode(_flags, _data, _options), do: {:error, :decode_error}
def encode(%{end_headers: true}, _) do
{:ok, <<0::5, 1::1, 0::2>>}
end
def encode(%{end_headers: false}, _) do
{:ok, <<0::5, 0::1, 0::2>>}
end
def encode(_flags, _options), do: {:error, :encode_error}
end
defimpl Ankh.HTTP2.Frame.Encodable, for: Ankh.HTTP2.Frame.Continuation.Payload do
def decode(payload, data, _) when is_binary(data), do: {:ok, %{payload | hbf: data}}
def decode(_payload, _options), do: {:error, :decode_error}
def encode(%{hbf: hbf}, _), do: {:ok, [hbf]}
def encode(_payload, _options), do: {:error, :encode_error}
end