kemal/src/kemal.cr

require "./kemal/*"
require "./kemal/middleware/*"

at_exit do
  Kemal::CLI.new
  config = Kemal.config
  config.setup
  config.add_handler Kemal::RouteHandler::INSTANCE

  server = HTTP::Server.new(config.host_binding.not_nil!.to_slice, config.port, config.handlers)
  server.ssl = config.ssl

  Signal::INT.trap {
    config.logger.write "Kemal is going to take a rest!\n"
    server.close
    exit
  }

  # This route serves the built-in images for not_found and exceptions.
  get "/__kemal__/:image" do |env|
    image = env.params.url["image"]
    file_path = File.expand_path("libs/kemal/images/#{image}", Dir.current)
    if File.exists? file_path
      env.response.headers.add "Content-Type", "application/octet-stream"
      env.response.content_length = File.size(file_path)
      File.open(file_path) do |file|
        IO.copy(file, env.response)
      end
    end
  end

  config.logger.write "[#{config.env}] Kemal is ready to lead at #{config.scheme}://#{config.host_binding}:#{config.port}\n"
  server.listen
end