Class: LogicalConstruct::SinatraResolver

Inherits:
ResolvingTask
  • Object
show all
Includes:
ResolutionProtocol, Mattock::TemplateHost
Defined in:
lib/logical-construct/target/sinatra-resolver.rb

Instance Method Summary collapse

Methods included from ResolutionProtocol

#digest, #file_checksum, #generate_checksum, #web_path

Methods inherited from ResolvingTask

#execute, #needed?, #unsatisfied

Methods included from SatisfiableManager

#add_satisfiable, #default_configuration, #define

Instance Method Details

#action ⇒ Object 



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# File 'lib/logical-construct/target/sinatra-resolver.rb', line 69

def action
  puts
  puts "STARTING WEB LISTENER TO RESOLVE PREREQUISITES"
  puts

  collector = build_collector(self, satisfiables)
  handler      = collector.rack_handler
  handler_name = handler.name

  old_handlers = nil
  handler.run collector, :Host => bind, :Port => port do |server|
    old_handlers = Hash[
      [:INT, :TERM].map { |sig| [sig, trap(sig) { collector.quit!(server, handler_name) }] }
    ]
    collector.running_server = server
    if server.respond_to? :threaded=
      server.threaded = settings.threaded
    end
    puts "Listening on #{port} with #{handler.name}"
  end

  old_handlers.each_pair do |signal, handler|
    trap(signal, handler)
  end

rescue Errno::EADDRINUSE => e
  puts "Port #{port} in use!"
  raise
end

#build_collector(resolver, prereqs) ⇒ Object 



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# File 'lib/logical-construct/target/sinatra-resolver.rb', line 12

def build_collector(resolver, prereqs)
  klass = Class.new(Sinatra::Application) do
    class << self
      attr_accessor :running_server
    end

    set :show_exceptions => true

    get '/' do
      resolver.render('resolver/index.html.erb')
    end

    prereqs.each do |task|
      path = resolver.web_path(task.name)

      get path do
        if task.prefer_file?
          resolver.render('resolver/task-file-form.html.erb') do |locals|
            locals[:task_path] = path
          end
        else
          resolver.render('resolver/task-form.html.erb') do |locals|
            locals[:task_path] = path
          end
        end
      end

      post path do
        if request.content_type =~ %r{multipart/form-data}
          task.receive(request.params["data"][:tempfile])
        else
          task.receive(request.params["data"])
        end
        if resolver.needed?
          redirect to("/")
        else
          resolver.render('resolver/finished.html.erb')
          quit!
        end
      end
    end

    def self.rack_handler
      handler = detect_rack_handler
    end

    def quit!
      self.class.quit!(self.class.running_server, "A server")
    end
  end
  return klass
end