ws_paramparser.cr

require "kemal"
require "benchmark"

def create_ws_request_and_return_io(handler, request)
  io = MemoryIO.new
  response = HTTP::Server::Response.new(io)
  context = HTTP::Server::Context.new(request, response)
  begin
    handler.call context
  rescue IO::Error
    # Raises because the MemoryIO is empty
  end
  response.close
  io
end

headers = HTTP::Headers{
  "Upgrade":           "websocket",
  "Connection":        "Upgrade",
  "Sec-WebSocket-Key": "dGhlIHNhbXBsZSBub25jZQ==",
}

request = HTTP::Request.new("GET", "/", headers)

Benchmark.ips do |x|
  x.report "Websocket without ParamParser" do
    handler = Kemal::WebSocketHandler.new "/" { }
    create_ws_request_and_return_io(handler, request)
  end

  x.report "Websocket with ParamParser" do
    handler = Kemal::WebSocketHandler.new "/" do |socket, env|
      param_parser = Kemal::ParamParser.new env.request
    end
    create_ws_request_and_return_io(handler, request)
  end

end