Class: Pytty::Daemon::Api::Router

Inherits:
Object
  • Object
show all
Defined in:
lib/pytty/daemon/api/router.rb

Instance Method Summary collapse

Instance Method Details

#call(env) ⇒ Object



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# File 'lib/pytty/daemon/api/router.rb', line 8

def call(env)
  req = Rack::Request.new(env)

  params = Mustermann.new('/:component(/?:id)?').params(req.path_info)
  body = begin
    JSON.parse(req.body.read)
  rescue
  end

  resp = case params["component"]
  when "stdin"
    c = body["c"]
    Pytty::Daemon.yields[params["id"]].stdin.enqueue c
    [200, {"Content-Type" => "text/html"}, ["ok"]]
  when "stream"
    if env["HTTP_UPGRADE"] == "websocket"
      handler = Pytty::Daemon::Components::WebSocketHandler.new(env)
      handler.handle
    end

    [404, {"Content-Type" => "text/html"}, ["websocket only"]]
  when "attach"
    task = Async::Task.current
    body = Async::HTTP::Body::Writable.new

    task.async do |task|
      Pytty::Daemon.yields[params["id"]].stdouts << body
      loop do
        task.sleep 0.1
      end
    rescue Exception => ex
      p ex
    ensure
      puts "closing body"
      body.close
    end

    [200, {'content-type' => 'text/html; charset=utf-8'}, body]
  when "run","yield","ps","rm","kill","spawn","signal"
    status, output = Pytty::Daemon::Components::Handler.handle component: params["component"], id: params["id"], params: body
    [status, {"Content-Type" => "application/json"}, [output.to_json]]
  when "ws"
    if env["HTTP_UPGRADE"] == "websocket"
      ws = WebSockets.new env
      ws.handle
    end

    [200, {"Content-Type" => "text/html"}, ["ws"]]
  else
    [404, {"Content-Type" => "text/html"}, ["unknown: #{req.path_info}"]]
  end

  resp
end