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HTTP web server and client, supports http1 and http2
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lib/ace/http1.ex
defmodule Ace.HTTP1 do
@moduledoc false
def serialize_response(status_code, headers, body) do
[
"HTTP/1.1 #{status_code} #{Raxx.reason_phrase(status_code)}\r\n",
header_lines(headers),
"\r\n",
body
]
end
def pop_chunk(buffer) do
case String.split(buffer, "\r\n", parts: 2) do
[base_16_size, rest] ->
size =
base_16_size
|> :erlang.binary_to_list()
|> :erlang.list_to_integer(16)
case rest do
<<chunk::binary-size(size), "\r\n", rest::binary>> ->
{chunk, rest}
_incomplete_chunk ->
{nil, buffer}
end
[rest] ->
{nil, rest}
end
end
@doc """
Serialize io_data as a single chunk to be streamed.
## Example
iex> Ace.HTTP1.serialize_chunk("hello")
...> |> to_string()
"5\\r\\nhello\\r\\n"
iex> Ace.HTTP1.serialize_chunk("")
...> |> to_string()
"0\\r\\n\\r\\n"
"""
def serialize_chunk(data) do
size = :erlang.iolist_size(data)
[:erlang.integer_to_list(size, 16), "\r\n", data, "\r\n"]
end
defp header_lines(headers) do
Enum.map(headers, &header_line/1)
end
defp header_line({field_name, field_value}) do
"#{field_name}: #{field_value}\r\n"
end
end