Class: Rack::Handler::Mongrel

Inherits:
Mongrel::HttpHandler
  • Object
show all
Defined in:
lib/rack/handler/mongrel.rb

Direct Known Subclasses

EventedMongrel, SwiftipliedMongrel

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Mongrel

Returns a new instance of Mongrel.



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# File 'lib/rack/handler/mongrel.rb', line 41

def initialize(app)
  @app = Rack::Chunked.new(Rack::ContentLength.new(app))
end

Class Method Details

.run(app, options = {}) {|server| ... } ⇒ Object

Yields:

  • (server) 


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# File 'lib/rack/handler/mongrel.rb', line 9

def self.run(app, options={})
  server = ::Mongrel::HttpServer.new(
    options[:Host]           || '0.0.0.0',
    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

Instance Method Details

#process(request, response) ⇒ Object 



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# File 'lib/rack/handler/mongrel.rb', line 45

def process(request, response)
  env = {}.replace(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" => [1,1],
               "rack.input" => rack_input,
               "rack.errors" => $stderr,

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

               "rack.url_scheme" => "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