404 - Page Not Found

#-- ## RSence # Copyright 2008 Riassence Inc. # http://riassence.com/ # # You should have received a copy of the GNU General Public License along # with this software package. If not, contact licensing@riassence.com ## #++ module RSence require 'rubygems' require 'rack' ## Minimally WEBrick -compatible response object require 'http/response' ## Minimally WEBrick -compatible request object require 'http/request' # Broker routes requests to the proper request processing instance. # It's the top-level http handler. class Broker # This method is called from Rack. The env is the Rack environment. def call(env) sleep @@ping_sim if @@ping_sim unless @@transporter.online? puts "#{Time.now.strftime('%Y-%m-%d %H:%M:%S')} -- Server busy." headers = { 'Retry-After' => '2', 'Content-Type' => 'text/plain', 'Refresh' => "2; #{env['REQUEST_URI']}", 'Content-Length' => '4' } return [ 503, headers, 'BUSY' ] end request = Request.new(env) response = Response.new request_method = request.request_method.downcase dispatcher = dispatcher_class.new( request, response ) dispatcher.send( request_method ) content_type = dispatcher.content_type response.header['Content-Length'] = response.body.length.to_s unless response.header.has_key?('Content-Length') return [response.status, response.header, response.body] end # Returns a dynamically created "REST Dispatcher" kind of class that has # request and response as instance variables and the rest of the Broker # class as the superclass. # It calls the method according to the http method. # Called from #call # Broker currently implements only get and post methods. def dispatcher_class @dispatcher ||= Class.new(self.class) do attr_accessor :content_type def initialize(request,response) @request = request @response = response end end end # This method is used to create the Rack instance # and set up itself accordingly. # The transporter parameter is an instance of the Transporter class, # which does all the actual delegation. # The conf parameter contains a hash with at least the following: # :bind_address, :port, :rack_require def self.start( transporter, conf ) host = conf[:bind_address] port = conf[:port] @@transporter = transporter latency = ::RSence.config[:http_server][:latency] if latency == 0 @@ping_sim = false else @@ping_sim = latency/1000.0 end Thread.new do Thread.pass puts "Testing if #{host}:#{port} responds.." if ::RSence.args[:debug] until RSence.argv.test_port( port, host ) puts "..#{host}:#{port} doesn't respond yet.." if ::RSence.args[:debug] sleep 0.2 end puts "..#{host}:#{port} responds!" if ::RSence.args[:debug] @@transporter.online = true end require 'rack' # Loads the selected web-server (default is 'mongrel') rack_require = conf[:rack_require] puts conf.inspect puts "rack require: #{rack_require.inspect}" if RSence.args[:debug] require rack_require # Selects the handler for Rack handler = { 'webrick' => lambda { Rack::Handler::WEBrick }, 'ebb' => lambda { Rack::Handler::Ebb }, 'thin' => lambda { Rack::Handler::Thin }, 'mongrel' => lambda { Rack::Handler::Mongrel }, 'unicorn' => lambda { Rack::Handler::Unicorn }, 'rainbows' => lambda { Rack::Handler::Rainbows } }[rack_require].call handler.run( Rack::Lint.new(self.new), :Host => host, :Port => port ) end def self.included( receiver ) receiver.extend( SingletonMethods ) end # Generic 404 handler def not_found puts "/404: #{@request.fullpath.inspect}" if RSence.args[:verbose] @response.status = 404 err404 = '404 - Page Not Found404 - Page Not Found' @response['content-type'] = 'text/html; charset=UTF-8' @response['content-length'] = err404.length.to_s @response.body = err404 end ## Post requests are always xhr requests def post puts "post: #{@request.fullpath}" if RSence.args[:verbose] not_found unless @@transporter.servlet( :post, @request, @response ) end ## Get requests are different, depending on the uri requested def get puts "get: #{@request.fullpath}" if RSence.args[:verbose] not_found unless @@transporter.servlet( :get, @request, @response ) end ### -- Add more http methods here when we have some apps to test with, caldav implementation maybe? ++ end end