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server.exs
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defmodule AnoPool.Benchmark.CowboyHandler do
def init(%{method: "GET"} = req, state) do
bytes = :cowboy_req.binding(:bytes, req)
bits = bytes * 8
chunk_size = :cowboy_req.binding(:chunk_size, req, nil)
unless chunk_size do
req =
:cowboy_req.reply(
200,
%{"content-type" => "application/octet-stream"},
<<0::size(bits)>>,
req
)
{:ok, req, state}
else
req = :cowboy_req.stream_reply(200, %{"content-type" => "application/octet-stream"}, req)
req = stream_body(req, bytes, chunk_size)
{:ok, req, state}
end
end
defp stream_body(req, bytes, chunk_size) do
if bytes - chunk_size < 0 do
bits = bytes * 8
:cowboy_req.stream_body(<<0::size(bits)>>, :fin, req)
else
bits = chunk_size * 8
:cowboy_req.stream_body(<<0::size(bits)>>, :nofin, req)
stream_body(req, bytes - chunk_size, chunk_size)
end
end
end
dispatch =
:cowboy_router.compile([
{:_,
[
{"/:bytes/[:chunk_size]", [{:bytes, :int}, {:chunk_size, :int}],
AnoPool.Benchmark.CowboyHandler, %{}}
]}
])
{:ok, _} =
:cowboy.start_clear(:benchmark_http_clear_listener, [port: 4545], %{
env: %{dispatch: dispatch},
protocols: [:http]
})
{:ok, _} =
:cowboy.start_clear(:benchmark_http2_clear_listener, [port: 4546], %{
env: %{dispatch: dispatch},
protocols: [:http2]
})
ssl_dir = Path.join([File.cwd!(), "benchmarks", "ssl"])
ssl_opts = [
certfile: Path.join([ssl_dir, "server.pem"])
]
{:ok, _} =
:cowboy.start_tls(
:benchmark_http_tls_listener,
ssl_opts ++ [port: 4547],
%{
env: %{dispatch: dispatch},
protocols: [:http]
}
)
{:ok, _} =
:cowboy.start_tls(
:benchmark_http2_tls_listener,
ssl_opts ++ [port: 4548],
%{
env: %{dispatch: dispatch},
protocols: [:http2]
}
)
# Assume all servers got started on the same interface
{addr, _} = :ranch.get_addr(:benchmark_http2_tls_listener)
IO.puts("Benchmark server started at #{inspect(addr)}")
Supervisor.start_link([], strategy: :one_for_one)

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