Rack::Handler::Mongrel

# File lib/rack/handler/mongrel.rb, line 57
def initialize(app)
  @app = app
end

# File lib/rack/handler/mongrel.rb, line 9
def self.run(app, options={})
  environment  = ENV['RACK_ENV'] || 'development'
  default_host = environment == 'development' ? 'localhost' : '0.0.0.0'

  server = ::Mongrel::HttpServer.new(
    options[:Host]           || default_host,
    options[:Port]           || 8080,
    options[:num_processors] || 950,
    options[:throttle]       || 0,
    options[:timeout]        || 60)
  # Acts like Rack::URLMap, utilizing Mongrel's own path finding methods.
  # Use is similar to #run, replacing the app argument with a hash of
  # { path=>app, ... } or an instance of Rack::URLMap.
  if options[:map]
    if app.is_a? Hash
      app.each do |path, appl|
        path = '/'+path unless path[0] == //
        server.register(path, Rack::Handler::Mongrel.new(appl))
      end
    elsif app.is_a? URLMap
      app.instance_variable_get(:@mapping).each do |(host, path, appl)|
       next if !host.nil? && !options[:Host].nil? && options[:Host] != host
       path = '/'+path unless path[0] == //
       server.register(path, Rack::Handler::Mongrel.new(appl))
      end
    else
      raise ArgumentError, "first argument should be a Hash or URLMap"
    end
  else
    server.register('/', Rack::Handler::Mongrel.new(app))
  end
  yield server  if block_given?
  server.run.join
end

# File lib/rack/handler/mongrel.rb, line 44
def self.valid_options
  environment  = ENV['RACK_ENV'] || 'development'
  default_host = environment == 'development' ? 'localhost' : '0.0.0.0'

  {
    "Host=HOST" => "Hostname to listen on (default: #{default_host})",
    "Port=PORT" => "Port to listen on (default: 8080)",
    "Processors=N" => "Number of concurrent processors to accept (default: 950)",
    "Timeout=N" => "Time before a request is dropped for inactivity (default: 60)",
    "Throttle=N" => "Throttle time between socket.accept calls in hundredths of a second (default: 0)",
  }
end

# File lib/rack/handler/mongrel.rb, line 61
def process(request, response)
  env = Hash[request.params]
  env.delete "HTTP_CONTENT_TYPE"
  env.delete "HTTP_CONTENT_LENGTH"

  env["SCRIPT_NAME"] = ""  if env["SCRIPT_NAME"] == "/"

  rack_input = request.body || StringIO.new('')
  rack_input.set_encoding(Encoding::BINARY) if rack_input.respond_to?(:set_encoding)

  env.update({"rack.version" => Rack::VERSION,
               "rack.input" => rack_input,
               "rack.errors" => $stderr,

               "rack.multithread" => true,
               "rack.multiprocess" => false, # ???
               "rack.run_once" => false,

               "rack.url_scheme" => ["yes", "on", "1"].include?(env["HTTPS"]) ? "https" : "http"
             })
  env[QUERY_STRING] ||= ""

  status, headers, body = @app.call(env)

  begin
    response.status = status.to_i
    response.send_status(nil)

    headers.each { |k, vs|
      vs.split("\n").each { |v|
        response.header[k] = v
      }
    }
    response.send_header

    body.each { |part|
      response.write part
      response.socket.flush
    }
  ensure
    body.close  if body.respond_to? :close
  end
end