Class: Adelnor::RactorServer

Inherits:
BaseServer show all
Defined in:
lib/adelnor/ractor_server.rb

Instance Method Summary collapse

Methods inherited from BaseServer

#handle, #rack_data, #read_request_message, run, #welcome_message

Constructor Details

#initialize(rack_app, port, options = {}) ⇒ RactorServer

Returns a new instance of RactorServer.



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# File 'lib/adelnor/ractor_server.rb', line 8

def initialize(rack_app, port, options = {})
  @ractors = options[:ractors]

  @rack_app = rack_app
  @port     = port
  @options  = options

  @queue = Ractor.new do
    loop do
      Ractor.yield(Ractor.receive, move: true)
    end
  end

  @listener = Ractor.new(@queue, @port) do |queue, port|
    socket = Socket.new(:INET, :STREAM)
    addr = Socket.sockaddr_in(port, '0.0.0.0')

    socket.bind(addr)
    socket.listen(2)

    loop do
      client, = socket.accept

      queue.send(client, move: true)
    end
  end

  puts welcome_message
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/adelnor/ractor_server.rb', line 38

def run
  ractors = @ractors.times.map do
    Ractor.new(@queue, @rack_app, @port) do |queue, rack_app, port|
      rid = Ractor.current.object_id
      puts "[#{rid}] Ractor started"

      loop do
        client = queue.take
        message = ''

        if (line = client.gets)
          message += line
        end

        puts "\n[#{Time.now}] #{message}"

        while (line = client.gets)
          break if line == "\r\n"

          message += line
        end

        rack_data = lambda do |request|
          {
            'REQUEST_METHOD' => request.request_method,
            'PATH_INFO' => request.path_info,
            'QUERY_STRING' => request.query_string,
            'SERVER_PORT' => port,
            'SERVER_NAME' => request.headers['Host'],
            'CONTENT_LENGTH' => request.content_length,
            'HTTP_COOKIE' => request.headers['Cookie'],
            'rack.input' => StringIO.new(request.body)
          }
        end

        Request.build(message)
               .tap  { |request|  request.parse_body!(client) }
               .then { |request|  rack_data.call(request).merge(request.headers) }
               .then { |data|     rack_app.call(data) }
               .then { |result|   Response.build(*result) }
               .then { |response| client.puts(response) }

        client.close
      end
    end
  end

  loop do
    Ractor.select(@listener, *ractors)
  end
end